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Creator | Title | Description | Subject | Date |
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Durney, Carl H. | A computer graphics method for solving transcendental equations | There are a number of ways to determine the values of x which satisfy the equation F(x)=0. (The case of interest here is that in which F i s a complex function of the complex variable x.) One way is to search for values of x which make Real (F(x)) and Imaginary (F(x)) both zero at the same time wher... | Transcendental equations | 1970 |
2 |
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Normann, Richard A. | Acute human brain responses to intracortical microelectrode arrays: challenges and future prospects | The emerging field of neuroprosthetics is focused on the development of new therapeutic interventions that will be able to restore some lost neural function by selective electrical stimulation or by harnessing activity recorded from populations of neurons. As more and more patients benefit from thes... | | 2014-01-01 |
3 |
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Normann, Richard A. | Adaptive parameter selection for asynchronous intrafascicular multi-electrode stimulation | This paper describes an adaptive algorithm for selecting perelectrode stimulus intensities and inter-electrode stimulation phasing to achieve desired isometric plantar-flexion forces via asynchronous, intrafascicular multi-electrode stimulation. The algorithm employed a linear model of force product... | | 2012-01-01 |
4 |
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Normann, Richard A.; Jones, Kelly E. | Advanced demultiplexing system for physiological stimulation | A CMOS very large scale integration (VLSI) chip has been designed and built to implement a scheme developed for multiplexing/demultiplexing the signals required to operate an intracortical stimulating electrode array. Because the use of radio telemetry in a proposed system utilizing this chip may im... | Electrode Array; Stimulation; Telemetry; Microelectrodes; Transistors | 1997 |
5 |
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Durney, Carl H. | An experiment in using interactive computer graphics in teaching transient transmission-line theory | An interactive computer graphics routine was developed and used in teaching EE 553, Electromagnetic Fields, autumn quarter, 1969, in the Electrical Engineering Department of the University of Utah. The routine displayed the propagation of the voltage ave form produced by a step-function generator do... | | 1970 |
6 |
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Gouw, Launce G.; McKenna, Catherine K.; Digre, Kathleen B.; Placek, Louis J. | Analysis of the dynamic mutation in the SCA7 gene shows marked parental effects on CAG repeat transmission. | The gene for spinocerebellar ataxia 7 (SCA7) includes a transcribed, translated CAG tract that is expanded in SCA7 patients. We have determined expansions in 73 individuals from 17 SCA7 kindreds and compared them with repeat lengths of 180 unaffected individuals. Subjects with abnormal expansions co... | Genetics; Biosynthesis; SCA7 Gene | 1998-03-07 |
7 |
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Baehr, Wolfgang | Annotation and analysis of 10,000 expressed sequence tags from 3 mouse eye cDNA libraries | BACKGROUND: As a biomarker of cellular activities, the transcriptome of a specific tissue or cell type during development and disease is of great biomedical interest. We have generated and analyzed 10,000 expressed sequence tags (ESTs) from three mouse eye tissue cDNA libraries: embryonic day 15.5 (... | Cluster Analysis; DNA, Complementary; Gene Expression Profiling | 2003 |
8 |
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Kriesel, John D.; Maulden, Sarah Annamarie; Spruance, Spotswood L. | Anti-interleukin-6 antibodies inhibit herpes simplex virus reactivation. | Herpes simplex viruses (HSVs) infect epithelial cells, become localized in neurons, and can reactivate in response to a variety of stimuli, including ultraviolet light and hyperthermia. The sequence of gene activation during viral replication is known, but the molecular linkage between exogenous sti... | Mice, Inbred BALB C; Tumor Necrosis Factor-alpha; Virus Activation | 1997 |
9 |
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Digre, Kathleen B.; Gouw, Launce G.; Harris, Catherine P.; Haines, John H.; Ptacek, L.J. | Autosomal dominant cerebellar ataxia with retinal degeneration: clinical, neuropathologic, and genetic analysis of a large kindred. | The autosomal dominant cerebellar ataxias (ADCA) comprise a heterogeneous group of neurologic disorders characterized by degeneration of the cerebellum, spinal cord, and brainstem. Genetic analysis has revealed two loci, SCA1 on chromosome 6p, and SCA2 on chromosome 12q, responsible for some ADCA. W... | Retinal Degeneration; Cerebellar Ataxia; Genetic Analysis | 1994-08 |
10 |
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Baehr, Wolfgang; Katz, Bradley J.; Creel, Donnell J.; Zhang, Kang | Autosomal dominant cone dystrophy caused by a novel mutation in the GCAP1 gene (GUCA1A) | PURPOSE: To describe the clinical features and genetic analysis of a family with an autosomal dominant cone dystrophy (adCD). METHODS: Selected members of a family with an autosomal dominant cone dystrophy underwent ophthalmic evaluation. Blood samples were obtained, genomic DNA was isolated, and ge... | Mutation, Missense; DNA Mutational Analysis; Electroretinography | 2005 |
11 |
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Normann, Richard A. | Background and bleaching adaptation in luminosity type horizontal cells in the isolated turtle retina | 1. The effects of background illumination and bleached photopigment on luminosity type horizontal cells were studied in the isolated turtle retina. 2. Background illumination, which produced less than 60% bleaching, hyperpolarized and desensitized the horizontal cells to a degree which depended upon... | Turtles; Retina; Photoreceptors; Bleached photopigment; Dark Adaptation | 1990 |
12 |
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Baehr, Wolfgang | Bilateral retinal and brain tumors in transgenic mice expressing simian virus 40 large T antigen under control of the human interphotoreceptor retinoid-binding protein promoter | We have previously shown that postnatal expression of the viral oncoprotein SV40 T antigen in rod photoreceptors (transgene MOT1), at a time when retinal cells have withdrawn from the mitotic cycle, leads to photoreceptor cell death (Al-Ubaidi et al., 1992. Proc. Natl. Acad. Sci. USA. 89:1194-1198).... | Simian virus 40; Retinol-Binding Proteins; Promoter Regions (Genetics) | 1992 |
13 |
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Bernstein, Paul S. | Biochemical characterization of the retinoid isomerase system of the eye | We have previously shown that membranes from the retinal pigment epithelium can transform added all-trans-retinol into a mixture of 11-cis-retinoids, demonstrating the "missing reaction" in the visual cycle for the first time (Bernstein, P. S., Law, W. C., and Rando, R. R. (1987) Proc. Natl. Acad. S... | Hydrogen-Ion Concentration | 1987 |
14 |
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Baehr, Wolfgang | Calcium-sensitive particulate guanylyl cyclase as a modulator of cAMP in olfactory receptor neurons | The second messengers cAMP and inositol-1,4,5-triphosphate have been implicated in olfaction in various species. The odorant-induced cGMP response was investigated using cilia preparations and olfactory primary cultures. Odorants cause a delayed and sustained elevation of cGMP. A component of this c... | Calcium-Binding Proteins; Nerve Tissue Proteins; Rats, Sprague-Dawley | 1998 |
15 |
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Baehr, Wolfgang | Calcium-sensitive regions of GCAP1 as observed by chemical modifications, fluorescence, and EPR spectroscopies | Guanylyl cyclase-activating proteins are EF-hand Ca(2+)-binding proteins that belong to the calmodulin superfamily. They are involved in the regulation of photoreceptor membrane-associated guanylyl cyclases that produce cGMP, a second messenger of vertebrate vision. Here, we investigated changes in ... | Amino Acid Motifs; Cyclic N-Oxides; EF Hand Motifs | 2001 |
16 |
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Digre, Kathleen B.; Blumenthal, Deborah T.; Cessna, Melissa H.; Gopez, Evelyn V.; Shen, Yue | Carcinomatous meningitis as the presenting manifestation of gallbladder carcinoma: case report and review of the literature | The primary tumors that typically cause carcinomatous meningitis include lung cancer, breast cancer, leukemia, lymphoma and melanoma. A variety of neurological signs and symptoms can be seen depending on the extent and location of the meningeal metastasis. Once the diagnosis of carcinomatous meningi... | Carcinomatous Meningitis; Gallbladder Carcinoma; Leptomeningeal Metastasis; Meningeal Carcinomatosis; Cranial Neuropathy | 2004-10 |
17 |
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Olson, Randall J.; Crandall, Alan S.; Pingree, Michael F. | Cataract surgery complications in 1 year at an academic institution | PURPOSE: To delineate all complication rates of cataract surgery and define normative rates, trends, and outliers as part of continuous quality management. SETTING: John A. Moran Eye Center, University of Utah Health Sciences Center, Salt Lake City, Utah, USA. METHODS: All cataract surgeries done at... | Intraoperative Complications/Epidemiology; Adverse Effects; Cataract Surgery | 1999-05 |
18 |
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Jaeckle, Kurt A.; Digre, Kathleen B.; Jones, Christopher R.; Bailey, Peter L. | Central neurogenic hyperventilation: pharmacologic intervention with morphine sulfate and correlative analysis of respiratory, sleep, and ocular motor dysfunction. | Central neurogenic hyperventilation (CNH), for which there is no effective therapy, can eventually result in respiratory fatigue and death. This report describes a patient with CNH due to a brainstem anaplastic astrocytoma who also exhibited disturbances of sleep and ocular motor function. The CNH r... | Central Neurogenic H yperventilation; Ocular Motor Dysfunction | 1990-11 |
19 |
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Frederick, Jeanne M. | Centrin 2 is required for mouse olfactory ciliary trafficking and development of ependymal cilia planar polarity | Centrins are ancient calmodulin-related Ca2-binding proteins associated with basal bodies. In lower eukaryotes, Centrin2 (CETN2) is required for basal body replication and positioning, although its function in mammals is undefined. We generated a germline CETN2 knock-out (KO) mouse presenting with s... | | 2014-01-01 |
20 |
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Bernstein, Paul S.; Zabriskie, Norman A.; Zhang, Kang | CFH Y402H Confers similar risk of soft Drusen and both forms of advanced AMD | BACKGROUND: Age-related macular degeneration (AMD) is the most common cause of irreversible visual impairment in the developed world. The two forms of advanced AMD, geographic atrophy and neovascular AMD, represent different pathological processes in the macula that lead to loss of central vision. S... | | 2005 |
21 |
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Baehr, Wolfgang | Characterization of bovine rod outer segment G-protein | A simple modified procedure is described for isolating and purifying peripherally bound membrane proteins from bovine rod outer segment disks. The methods yield milligram quantities of G-protein and cGMP phosphodiesterase which are suitable for reconstitution with membranes containing visual pi... | Heterotrimeric GTP-Binding Proteins; Macromolecular Substances; Rhodopsin | 1982 |
22 |
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Baehr, Wolfgang; Zhang, Kang | Characterization of human GRK7 as a potential cone opsin kinase | PURPOSE: Homozygous inactivation of the mouse gene for GRK1 (G protein-coupled receptor kinase 1, or rhodopsin kinase) causes severe defects in the recovery of cone phototransduction. However, electroretinographic (ERG) analyses of human oguchi patients with defective GRK1 alleles showed normal or s... | Amino Acid Sequence; Chromosomes, Human, Pair 3; Fluorescent Antibody Technique, Indirect | 2001 |
23 |
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Baehr, Wolfgang | Characterization of the chicken GCAP gene array and analyses of GCAP1, GCAP2, and GC1 gene expression in normal and rd chicken pineal | PURPOSE: This study had three objectives: (1) to characterize the structures of the chicken GCAP1 and GCAP2 genes; (2) to determine if GCAP1, GCAP2, and GC1 genes are expressed in chicken pineal gland; (3) if GC1 is expressed in chicken pineal, to determine if the GC1 null mutation carried by the re... | Molecular Sequence Data; Promoter Regions (Genetics); Retinal Degeneration | 1999 |
24 |
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Angelucci, Alessandra; Lund, Jennifer S. | Circuits for local and global signal integration in primary visual cortex | Contrast-dependent changes in spatial summation and contextual modulation of primary visual cortex (V1) neuron responses to stimulation of their receptive field reveal long-distance integration of visual signals within V1, well beyond the classical receptive field (cRF) of single neurons. To identif... | Primary Visual Cortex; Extrastriate Cortex; Feed-back Connections; Lateral Connections; SUrround Modulation; Macaque | 2002-10-01 |
25 |
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Olson, Randall J. | Clinical comparison of single-piece and three-piece truncated hydrophobic acrylic intraocular lenses | PURPOSE: To determine the clinical differences between three-piece (3P) and single-piece (SP) truncated hydrophobic acrylic intraocular lenses (IOL). DESIGN: Retrospective cohort clinical study. METHODS: The setting was an academic clinical practice. The patient population consisted of subjects with... | Lenses, Intraocular; Patient Satisfaction; Postoperative Complications; Prosthesis Design; Visual Acuity | 2003-10 |
26 |
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Olson, Randall J. | Clinical experience with 21-gauge manual microphacoemulsification using Sovereign WhiteStar Technology in eyes with dense cataract | PURPOSE: To present a series of patients who had 21-gauge microphacoemulsification using Sovereign WhiteStar technology. SETTING: John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah, USA. METHODS: Eighteen consecutive patients with cataracts judged to be 3+ or 4+ on... | Cataract; Microsurgery; Phacoemulsification; Postoperative Complications; Visual Acuity | 2004-01 |
27 |
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Baehr, Wolfgang | Cloning and molecular characterization of cGMP-gated ion channels from rod and cone photoreceptors of striped bass ( M. saxatilis ) retina | Vertebrate photoreceptors respond to light with changes in membrane conductance that reflect the activity of cyclic-nucleotide gated channels (CNG channels). The functional features of these channels differ in rods and cones; to understand the basis of these differences we cloned CNG channels from t... | Amino Acid Sequence; Computational Biology; Reverse Transcriptase Polymerase Chain Reaction | 2006 |
28 |
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Baehr, Wolfgang | Cloning and sequence analysis of the major outer membrane protein genes of two Chlamydia psittaci strains | We cloned and sequenced the gene encoding the major outer membrane protein (MOMP) of two Chlamydia psittaci strains, guinea pig inclusion conjunctivitis (GPIC) strain 1, and meningopneumonitis (Mn) strain Cal-10. Intraspecies alignment of the two C. psittaci MOMP genes revealed 80.6% similarity, and... | Base Sequence; Cloning, Molecular; Amino Acid Sequence | 1989 |
29 |
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Baehr, Wolfgang | Cloning of frog rod photoreceptor cGMP phosphodiesterase subunits (P-alpha, P-beta, P-gamma) and identification of P-gamma) sites involved in the stimulation of cGMP binding to P-alpha and P-beta non-catalytic sites | Retinal cGMP phosphodiesterase (PDE6) is a key enzyme in vertebrate phototransduction. Rod PDE contains two homologous catalytic subunits (Pd two identical regulatory subunits (P). Biochemical studies have shown that amphibian P has high affinity, cGMP-specific, non-catalytic binding sites and that ... | Phototransduction; Retinal cGMP phosphodiesterase; Amphibian PDE | 2002 |
30 |
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Normann, Richard A.; Shoham, Shy | Coding of position by simultaneously recorded sensory neurones in the cat dorsal root ganglion | Muscle, cutaneous and joint afferents continuously signal information about the position and movement of individual joints. How does the nervous system extract more global information, for example about the position of the foot in space? To study this question we used microelectrode arrays to record... | Cats; Sensory Neurones; Movement; Limb Position | 2004 |
31 |
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Olson, Randall J. | Cohort study of 27 cases of endophthalmitis at a single institution | PURPOSE: To identify potential risk factors associated with post-cataract surgery bacterial endophthalmitis. SETTING: The John A. Moran Eye Center, Salt Lake City, Utah, USA. METHODS: This retrospective cohort study consisted of patients who had surgery for cataract(s) at this eye hospital. A 10% sa... | Cataract Extraction; Endophthalmitis; Wound Healing; Risk Factors | 2005-04 |
32 |
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Olson, Randall J. | Comparison of patient satisfaction after uncomplicated cataract surgery between the silicone AMO SI-30/40 and the acrylic Alcon MA30BA and MA60BA foldable intraocular lenses | PURPOSE: To compare patient satisfaction with vision 12 months after implantation of a silicone or acrylic foldable intraocular lens (IOL). SETTING: John A. Moran Eye Center, University of Utah Medical Center, Salt Lake City, Utah, USA. METHODS: Selection criteria included patients who had uneventfu... | Patient Satisfaction; Lenses, Intraocular; Silicone Elastomers; Biocompatible Materials | 2001-10 |
33 |
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Olson, Randall J. | Comparison of the effects of viscoelastic agents on clinical properties of the Unfolder lens injection system | PURPOSE: To evaluate the effect of 7 viscoelastic materials on the physical properties of the Unfolder lens injection system. SETTING: John A. Moran Eye Center, University of Utah School of Medicine, Salt Lake City, Utah, USA. METHODS: New sterile SI-40NB intraocular lenses (IOLs) were loaded into t... | Lenses, Intraocular; Materials Testing; Hyaluronic Acid; Equipment Failure Analysis | 1999-07 |
34 |
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Olson, Randall J. | Comparison of thermal features associated with 2 phacoemulsification machines | PURPOSE: To determine the thermal characteristics of the Legacy Advantec and Sovereign WhiteStar phacoemulsification machines during different clinically relevant scenarios. SETTING: In vitro study. METHODS: In water, temperature was recorded continuously on the sleeve in an artificial chamber, and ... | Cataracts; Wound Burns; Thermal Characteristics | 2006-02 |
35 |
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Digre, Kathleen B.; Schmidt, Richard H.; Osborne, Anne G.; Patel, Bhupendra C.; Pratt, David; Rietz, Lisa A. | Compressive optic neuropathy caused by renal osteodystrophy. Case report. | Compressive optic neuropathy with acute or chronic vision loss has been associated with various skull base tumors, aneurysms, Graves disease, trauma, and, less commonly, fibrous dysplasia and osteopetrosis. The Author's present a case of acute visual deterioration in a 25-year-old woman who had mass... | Optic Neuropathy; Optic Nerve Decompression; Renal Osteodystrophy | 2001-10 |
36 |
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Normann, Richard A. | Control of retinal sensitivity. I. Light and dark adaptation of vertebrate rods and cones | Rods and cones in Necturus respond with graded hyperpolarization to test flashes spanning about 3.5 log units of intensity. Steady background levels hyperpolarize the rods, and the rod responses become progressively smaller as background level is increased. In cones, higher background levels reduce... | Retina;Light and Dark Adaptation; Recepters; Bipolars; Ganglion Cells | 1974 |
37 |
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Kriesel, John D.; Baringer, J R; Spruance, Spotswood L. | Correlation between detection of herpes simplex virus in oral secretions by PCR and susceptibility to experimental UV radiation-induced herpes labialis. | We examined the oral secretions of 25 patients for herpes simplex virus (HSV) at the time of and following experimental UV radiation (UVR). HSV was detected in one or more oral secretion specimens in 5 of 12 (42%) cases by cell culture and in 8 of 12 (67%) cases by PCR. On the day of UVR, HSV was de... | Polymerase Chain Reaction; Ultraviolet Rays; Simplexvirus | 1994 |
38 |
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Varner, Michael W.; Digre, Kathleen B. | Cranial magnetic resonance imaging in eclampsia. | Although the precise neuropathologic basis for eclamptic convulsions remains unclear, intracranial hemorrhage is frequently associated with fatal cases. Magnetic resonance imaging (MRI) is a recently developed neuroimaging technique that appears superior to other processes for defining intracranial ... | Eclampsia; Brain Edema; Cranial Magnetic Resonance Imaging | 1987-09 |
39 |
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Digre, Kathleen B. | CT and hemifacial spasm. | Forty-six patients with typical hemifacial spasm had CT. Thirty-eight (83%) were abnormal, including two with surgically documented tumors. Thirty-six had a characteristic dolichoectatic vertebrobasilar artery, with the convexity pointing to the side of the spasm in 92% of the scans. This study sugg... | Hemifacial spasms; Tumors; Dolichoectiatic vertebrobasilar artery | 1988-07 |
40 |
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Bernstein, Paul S.; Zabriskie, Norman A.; Zhang, Kang; Leppert, Mark F. | Diverse macular dystrophy phenotype caused by a novel complex mutation in the ELOVL4 gene | PURPOSE: A 5-bp deletion in ELOVL4, a photoreceptor-specific gene, has been associated with autosomal dominant (ad) macular dystrophy phenotypes in five related families, in which phenotypes range from Stargardt-like macular dystrophy (STGD3; Mendelian Inheritance in Man 600110) to pattern dystrophy... | Linkage (Genetics); Middle Older people; Phenotype | 2001 |
41 |
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Moshirfar, Majid | Double-pass microkeratome technique for ultra-thin graft preparation in Descemet's stripping automated endothelial keratoplasty | Endothelial keratoplasty is evolving with increased attention placed on the optical qualities of the posterior donor lenticule. In efforts to improve visual outcomes, the effects of the thickness, smoothness, and planar profile are being studied. This paper describes a double-pass microkeratome tech... | | 2012-01-01 |
42 |
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Olson, Randall J. | Early experiences with microphaco | Microphaco is the separation of irrigation from aspiration that allows removal of cataracts through sub-2mm incisions. While proven intraocular lenses (IOLs) are not available at this time to take advantage of the small wounds, these wounds are advantageous from a separating irrigation standpoint w... | Microphaco; Cataracts; Irrigation; Wounds | 2004 |
43 |
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Digre, Kathleen B.; Blumenthal, Deborah T.; Salzman, Karen L.; Jensen, Randy L.; Dunson, William A. | Early pathologic findings and long-term improvement in anti-Ma2-associated encephalitis. | A 67-year-old man sequentially developed anti-Ma2-associated paraneoplastic encephalitis (PNE) and contralateral herpes simplex encephalitis (HSE). Brain biopsy 1 month before HSE revealed extensive infiltrates of T cells, B cells, and plasma cells. Most T cells expressed the cytotoxic granule-assoc... | Paraneoplastic neurologic disorders; Encephalitis; Neoplasm;Herpes Simplex | 2006-07-11 |
44 |
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Digre, Kathleen B.; Blumenthal, Deborah T.; Salzman, Karen L.; Jensen, Randy L.; Dunson, William A. | Early pathologic findings and long-term improvement in anti-Ma2-associated encephalitis. | A 67-year-old man sequentially developed anti-Ma2-associated paraneoplastic encephalitis (PNE) and contralateral herpes simplex encephalitis (HSE). Brain biopsy 1 month before HSE revealed extensive infiltrates of T cells, B cells, and plasma cells. Most T cells expressed the cytotoxic granule-assoc... | Paraneoplastic neurologic disorders; Encephalitis; Neoplasm;Herpes Simplex | 2006-07-11 |
45 |
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Olson, Randall J. | Effect of lens edge design versus anterior capsule overlap on posterior capsule opacification | PURPOSE: To determine whether lens edge design or anterior capsule overlap on the intraocular lens (IOL) has greater effect on posterior capsule opacification (PCO). DESIGN: Retrospective cohort clinical study. METHODS: Retrospective. SETTING: Academic clinical practice. PATIENT POPULATION: The pati... | Posterior Capsular Opacification' Intraocular Lens; Anterior Capsular Opacification; Acrylic Lenses; Silicone Lenses | 2004-10 |
46 |
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Moshirfar, Majid | The effect of preoperative keratometry on visual outcomes after moderate myopic LASIK | The relationship between preoperative keratometry (K) and visual outcomes in laser-assisted in situ keratomileusis (LASIK) has been studied in high myopia and hyperopia, but not in moderate myopia. Rao et al report increased undercorrection in eyes with preoperative spherical equivalent (SE) of −1... | | 2012-01-01 |
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Normann, Richard A. | Effects of background illumination on the photoresponses of red and green cones | 1. The photoresponses of light- and dark-adapted red and green cone photoreceptors were recorded intracellularly in the retina of the turtle, Pseduemys scripta elegans. Background illumination produced similar effects on both types of cones. 2. In response to the onset of a prolonged, steady backgro... | Turtles; Adaptation, Ocular; Retina; Signal Transmission | 1979 |
48 |
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Normann, Richard A.; Chandler, John P. | Effects of calcium ions on L-type horizontal cells in the isolated turtle retina | A technique by which the retina can be isolated from the turtle eye is described. Scanning electron microscopy revealed morphological variability between preparations and also between regions of the same one. Large areas were often totally free of any pigment epithelial cells, yet contained a high p... | Retina; Calcium; Horizontal Cell; Turtle | 1990 |
49 |
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Normann, Richard A. | Effects of GABA and related drugs on horizontal cells in the isolated turtle retina | The role of GABA in the outer plexiform layer of the turtle retina has been examined by intracellular recordings from L- and C-type horizontal cells in the isolated retina preparation. GABA (1-5 mM) slightly depolarized the L-type horizontal cells, reduced the amplitude of their photoresponses, and ... | Retina; Horizontal Cells; Synapse; Negative Feedback; GABA; Turtle | 1990 |
50 |
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Olson, Randall J. | Efficacy and wound-temperature gradient of WhiteStar technology phacoemulsification through a 1.2 mm incision | PURPOSE: To evaluate the efficacy and wound-temperature gradients of WhiteStar micropulse technology using bimanual phacoemulsification without an irrigation sleeve through a 1.2 mm incision. SETTING: Island Eye Surgicenter, Carle Place, New York, USA. METHODS: Ten patients had bimanual phacoemulsif... | Endothelium, Corneal; Surgical Procedures; Lens Implantation; Wound Temperature gradient | 2003-06 |
51 |
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Baehr, Wolfgang; Zhang, Kang | Elovl4 mRNA distribution in the developing mouse retina and phylogenetic conservation of Elovl4 genes | PURPOSE: Stargardt-like macular dystrophy (STGD3) is an autosomal dominant form of early onset macular degeneration. The disease causing gene ELOVL4 encodes a protein that belongs to a family of proteins functioning in elongation of long chain fatty acids. The purpose of this study is to characteriz... | Amino Acid Sequence; Cloning, Molecular; Molecular Sequence Data | 2003 |
52 |
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Normann, Richard A.; Shoham, Shy | Encoding mechanisms for sensory neurons studied with a multielectrode array in the cat dorsal root ganglion | Recent advances in microelectrode array technology now permit a direct examination of the way populations of sensory neurons encode information about a limb's position in space. To address this issue, we recorded nerve impulses from about 100 single units simultaneously in the L6 and L7 dorsal root ... | Sensory; Encoding; Multielectrode; Dorsal Root Ganglion; Cutaneour; Muscle | 2004 |
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Baehr, Wolfgang | Evaluation of the 17 kda prenyl binding protein as a regulatory protein for phototransduction in retinal photoreceptors | The mammalian rod photoreceptor phosphodiesterase (PDE6) holoenzyme is isolated in both a membrane-associated and a soluble form. Membrane binding is a consequence of prenylation of PDE6 catalytic subunits, whereas soluble PDE6 is purified with a 17-kDa prenyl-binding protein (PDEdelta) tightly boun... | Amino Acid Sequence; Immunohistochemistry; Phosphoric Diester Hydrolases | 2005 |
54 |
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Bernstein, Paul S. | Evaluation of the G protein coupled receptor-75 (GPR75) in age related macular degeneration | | | 2001 |
55 |
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Angelucci, Alessandra | Experimentally induced retinal projections to the ferret auditory thalamus: development of clustered eye-specific patterns in a novel target | We have examined the relative role of afferents and targets in pattern formation using a novel preparation, in which retinal projections in ferrets are induced to innervate the medial geniculate nucleus (MGN). We find that retinal projections to the MGN are arranged in scattered clusters. Clusters a... | Retina; Ferrets | 1997 |
56 |
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Baehr, Wolfgang | Expression and mutagenesis of mouse rod photoreceptor cGMP phosphodiesterase | Using recombinant baculovirus vectors, the three subunits of mouse rod photoreceptor cGMP phosphodiesterase (PDE) (alpha beta gamma 2) have been expressed in insect cells. The recombinant alpha,beta subunits accumulate to 5 mg/liter culture, but most (98%) of the expressed polypeptides are insoluble... | Electrophoresis, Polyacrylamide Gel; Macromolecular Substances; Protein Processing, Post-Translational | 1994 |
57 |
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Fuhrmann, Sabine | Expression of CNTF receptor-alpha in chick violet-sensitive cones with unique morphologic properties. | PURPOSE: Application of ciliary neurotrophic factor (CNTF) can rescue mature photoreceptors from lesion-induced and hereditary degeneration. In the chick retina, expression of the CNTF receptor is present in a subpopulation of photoreceptor cells. The present study was undertaken to identify the CNT... | embryology; cytology | 2004 |
58 |
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Zhang, Kang | Expression of wild type and mutant ELOVL4 in cell culture: subcellular localization and cell viability | PURPOSE: ELOVL4 is a member of the fatty acid elongase (ELO) family of genes. Mutations of this gene are responsible for autosomal dominant Stargardt-like macular degeneration. However, the specific role of ELOVL4 in photoreceptor cells and the mechanism by which mutations in ELOVL4 causes macular d... | Endoplasmic Reticulum; Green Fluorescent Proteins; Microscopy, Fluorescence | 2004 |
59 |
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Fuhrmann, Sabine | Extraocular ectoderm triggers dorsal retinal fate during optic vesicle evagination in zebrafish | Dorsal retinal fate is established early in eye development, via expression of spatially restricted dorsal‐specific transcription factors in the optic vesicle; yet the events leading to initiation of dorsal fate are not clear. We hypothesized that induction of dorsal fate would require an extraocu... | | 2012-01-01 |
60 |
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Jones, Bryan W.; Jones, Christopher R.; Czajkowski, Laura | Familial advanced sleep-phase syndrome: a short-period circadian rhythmvariant in humans | Biological circadian clocks oscillate with an approximately 24-hour period, are ubiquitous, and presumably confer a selective advantage by anticipating the transitions between day and night. The circadian rhythms of sleep, melatonin secretion and body core temperature are thought to be generated by ... | Activity Cycles; Matched-Pair Analysis; Polysomnography | 1999 |
61 |
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Normann, Richard A. | Functional reorganization of primary visual cortex induced by electrical stimulation in the cat. | Compared to the high degree of plasticity observed in a juvenile, mature sensory cortices have long been held to be immutable but, recently, researchers have suggested some plasticity persists in the mature cortex. Cortical reorganization has particular saliency to the development of a cortically ba... | Cat; Electrophysiology; Phosphene; Plasticity; Receptive Field; Striate Cortex | 2005 |
62 |
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Baehr, Wolfgang; Zhang, Kang; Kolb, Helga | Gene array and expression of mouse retina guanylate cyclase activating proteins 1 and 2 | PURPOSE: To identify gene arrangement, chromosomal localization, and expression pattern of mouse guanylate cyclase activating proteins GCAP1 and GCAP2, retina-specific Ca2+-binding proteins, and photoreceptor guanylate cyclase activators. METHODS: The GCAP1 and GCAP2 genes were cloned from genomic l... | Molecular Sequence Data; Guanylate Cyclase-Activating Proteins; In Situ Hybridization, Fluorescence | 1998 |
63 |
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Bernstein, Paul S.; Leppert, Mark F. | Genotype-phenotype analysis of ABCR variants in macular degeneration probands and siblings | PURPOSE: Single-copy variants of the autosomal recessive Stargardt disease (STGD1) gene ABCR (ABCA4) have been shown to confer enhanced susceptibility to age-related macular degeneration (AMD). To investigate the role of ABCR alleles in AMD further, genotype-phenotype analysis was performed on sibli... | DNA Mutational Analysis; Nuclear Family; Phenotype | 2002 |
64 |
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Olson, Randall J. | Glistenings with long-term follow-up of the Surgidev B20/20 polymethylmethacrylate intraocular lens | PURPOSE: To compare patient satisfaction with vision 12 months after implantation of a silicone or acrylic foldable intraocular lens (IOL). SETTING: John A. Moran Eye Center, University of Utah Medical Center, Salt Lake City, Utah, USA. METHODS: Selection criteria included patients who had uneventfu... | Phacoemulsification; Lens Implantation, Intraocular; Glare | 2001-10 |
65 |
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Baehr, Wolfgang | Guanylyl cyclase activating protein. A calcium-sensitive regulator of phototransduction | Guanylyl cyclase activating protein (GCAP1) has been proposed to act as a calcium-dependent regulator of retinal photoreceptor guanylyl cyclase (GC) activity. Using immunocytochemical and biochemical methods, we show here that GCAP1 is present in rod and cone photoreceptor outer segments where photo... | Cloning, Molecular; DNA Primers; Molecular Sequence Data | 1995 |
66 |
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Kriesel, John D. | Helicase-primase inhibitor pritelivir for HSV-2 infection | Background Pritelivir, an inhibitor of the viral helicase-primase complex, exhibits antiviral activity in vitro and in animal models of herpes simplex virus (HSV) infection. We tested the efficacy and safety of pritelivir in otherwise healthy persons with genital HSV-2 infection. Methods We randomly... | | 2014-01-01 |
67 |
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Zhang, Kang | Heterozygous and homozygous mutations in PITX3 in a large Lebanese family with posterior polar cataracts and neurodevelopmental abnormalities | PURPOSE: The PITX3 gene, which codes for a homeobox bicoidlike transcription factor is responsible for dominant cataract and anterior segment mesenchymal dysgenesis in humans. In the current study, a family with autosomal dominant posterior polar cataract (PPC) and a PITX3 mutation that cosegregates... | Chromosomes, Human, Pair 10; Homozygote; Lod Score | 2006 |
68 |
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Bernstein, Paul S. | HPLC measurement of ocular carotenoid levels in human donor eyes in the lutein supplementation era. | PURPOSE: A substantial proportion of the population at risk for visual loss from age-related macular degeneration consumes supplements containing high doses of lutein, but clinical studies to date have shown only modest and variable increases in macular carotenoid pigments in response to supplementa... | Chromatography, High Pressure Liquid; Dietary Supplements; Tissue Donors | 2007-02 |
69 |
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Baehr, Wolfgang | Human interstitial retinoid-binding protein. Gene structure and primary structure | Interstitial retinoid-binding protein (IRBP) is synthesized and secreted by rod photoreceptor cells into the interphotoreceptor matrix and is known to bind retinoids and fatty acids. We have used cDNA clones encoding human IRBP to isolate a 15-kilobase genomic fragment that encompasses the complete ... | Molecular Sequence Data; Eye Proteins; Retinol-Binding Proteins; Messenger RNA | 1989-05-15 |
70 |
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Bernstein, Paul S. | Human retinal pigment epithelial cell line that retains epithelial characteristics after prolonged culture | PURPOSE. A spontaneously arising, apparently transformed, cell line has been cloned from a primary culture of human retinal pigment epithelial (RPE) cells and has been subcultured more than 200 times. The similarities of these cells to human RPE cells in vivo have been determined. METHODS. The struc... | Cell Line, Transformed; Chromatography, High Pressure Liquid; Phagocytosis | 1995 |
71 |
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Frederick, Jeanne M.; Thulin, Craig; Bernstein, Paul S. | Identification and characterization of a Pi isoform of glutathione S-transferase (GSTP1) as a zeaxanthin-binding protein in the macula of the human eye | Uptake, metabolism, and stabilization of xanthophyll carotenoids in the retina are thought to be mediated by specific xanthophyll-binding proteins (XBPs). A membrane-associated XBP was purified from human macula using ion-exchange chromatography followed by gel-exclusion chromatography. Two-dimensio... | Circular Dichroism; Isoelectric Focusing; Macula Lutea; Xanthophylls | 2004 |
72 |
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Zhang, Kang | Identification and functional consequences of a new mutation (E155G) in the gene for GCAP1 that causes autosomal dominant cone dystrophy | | | 2001 |
73 |
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Baehr, Wolfgang | Identification and light-dependent translocation of a cone-specific antigen, (Cone Arrestin) recognized by monoclonal antibody 7G6 | PURPOSE: To elucidate the antigen recognized by monoclonal antibody (mAb) 7G6, a widely used cone-specific marker. METHODS: 7G6 immunocytochemistry was performed on sections of human, primate, and bovine retina. The antigen was immunoprecipitated from human retinal lysates and purified with protein ... | Cones (Retina); Molecular Sequence Data; Phototransduction | 2003 |
74 |
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Crockett, David K. | Identification of histoplasma -specific peptides in human urine | Histoplasmosis is a severe dimorphic fungus infection, which is often difficult to diagnose due to similarity in symptoms to other diseases and lack of specific diagnostic tests. Urine samples from histoplasma-antigen-positive patients and appropriate controls were prepared using various sample prep... | | 2012-01-01 |
75 |
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Bernstein, Paul S. | Identification of lutein and zeaxanthin oxidation products in human and monkey retinas | PURPOSE: To characterize fully all the major and minor carotenoids and their metabolites in human retina and probe for the presence of the oxidative metabolites of lutein and zeaxanthin. METHODS: Carotenoids of a composite of 58 pairs of human retinas and a monkey retina were elucidated by comparing... | Mass Spectrometry; Oxidation-Reduction; Spectrophotometry, Ultraviolet | 1997 |
76 |
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Digre, Kathleen B.; Kleinschmidt, Julia J.; Hanover, Rita | Idiopathic intracranial hypertension. Relationship to depression, anxiety, and quality of life | OBJECTIVE: To explore the incidence of depression and anxiety and to measure quality of life in women with idiopathic intracranial hypertension (IIH), a matched group cross-sectional study was conducted. Women with IIH (n = 28) were compared with control groups of weight- and age-matched women not d... | Intracranial Hypertension; Depression; Anxiety; Quality of Life | 2000-01-25 |
77 |
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Baehr, Wolfgang; Thulin, Craig | Immunolocalization and divergent roles of phosducin and phosducin-like protein in the retina | PURPOSE: These investigations were undertaken to compare and contrast the roles of phosducin and phosducin-like protein in the retina. METHODS: Phosducin and phosducin-like protein were compared in an in vitro assay measuring their inhibition of transducin binding to light-activated rhodopsin. The t... | Antibody Specificity; Protein Binding; Rod Outer Segments | 1999 |
78 |
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Baehr, Wolfgang | In vitro isoprenylation and membrane association of mouse rod photoreceptor cGMP phosphodiesterase alpha and beta subunits expressed in bacteria | We investigated the specificity of CAAX box-related isoprenylation of rod photoreceptor cGMP phosphodiesterase (PDE) subunits expressed in bacteria and the consequences of this modification on rod disk membrane association. Full-length cDNA sequences of the alpha and beta subunits of mouse PDE, inse... | Chromatography, High Pressure Liquid; Electrophoresis, Polyacrylamide Gel; Molecular Sequence Data | 1992 |
79 |
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Frederick, Jeanne M. | Inactivity of human β,β-carotene-9′, 10-′dioxygenase (BCO2) underlies retinal accumulation of the human macular carotenoid pigment | The macula of the primate retina uniquely concentrates high amounts of the xanthophyll carotenoids lutein, zeaxanthin, and meso-zeaxanthin, but the underlying biochemical mechanisms for this spatial- and species-specific localization have not been fully elucidated. For example, despite abundant reti... | | 2014-01-01 |
80 |
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Frederick, Jeanne M. | Inhibitors of metalloendoprotease activity prevent K+-stimulated neurotransmitter release from the retina of Xenopus laevis. | Metalloendoprotease activity was identified in retinal homogenates using a synthetic fluorogenic metalloendoprotease substrate and specific metalloendoprotease inhibitors. The requirement of metalloendoprotease activity in neurotransmitter release was examined during the depolarization-induced relea... | Neuromuscular Junction; Neurotransmitter Agents; Membrane Fusion | 1984 |
81 |
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Warner, Judith E. A. | Intermittent reversal of Complete Ptosis-EganWarner | CASE REPORT: Ptosis secondary to dense oculomotor pareses generally improves over several months, but intermittent elevation of the eyelid has not been reported. The Author's describe two patients who demonstrated intermittent involuntary monocular eyelid elevation in an eye with complete ptosis cau... | Eyelids; Ophthalmoplegia; Intraoperative Complications | 2006 |
82 |
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Olson, Randall J.; Crandall, Alan S.; Caldwell, Karin D.; Jensen, Michael K. | Intraoperative crystallization on the intraocular lens surface | PURPOSE: To report a physician survey, laboratory studies, and clinical observations of intraoperative crystallization on the surface of the intraocular lens (IOL). METHOD: We sent a survey to all ophthalmologists in the states of Wyoming, Idaho, Montana, Utah, and Colorado asking whether crystalliz... | Cataract Extraction; Intraoperative Complications; Risk Factors | 1998-08 |
83 |
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Olson, Randall J.; Crandall, Alan S.; Mamalis, Nick | Intraoperative miotics and posterior capsular opacification following phacoemulsification with intraocular lens insertion | BACKGROUND AND OBJECTIVES: Posterior capsular opacification (PCO) is a frequent complication following phacoemulsification with intraocular lens (IOL) implantation. A series of consecutive patients receiving capsular bag-fixated, silicone IOL implants were assessed for both incidence of PCO and the ... | Intraocular Lens; Nd:YAG Laser Capsulotomy; Miochol; Miostat; Phacoemulsification; Posterior Capsular Opacification | 1997-11 |
84 |
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Kriesel, John D.; Gooch, Willis M.; Pavia, Andrew T. | Invasive sinonasal disease due to Scopulariopsis candida: case report and review of scopulariopsosis. | Sinonasal infection with fungi of the order Mucorales--termed mucormycosis or zygomycosis--is sometimes seen in immunosuppressed patients, including those with diabetic ketoacidosis and malignancy. We describe a case of invasive sinonasal infection with Scopulariopsis candida (not among the Mucorale... | Granulocyte Colony-Stimulating Factor; Itraconazole; Maxillary Sinus | 1994 |
85 |
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Fuhrmann, Sabine; Zhang, Jianmin; Vetter, Monica L. | Investigation of Frizzled-5 during embryonic neural development in mouse | Cellular and tissue--tissue interactions regulate development of the central nervous system (CNS) and a paramount question is what is the nature of the signals involved in these interactions. The vertebrate eye represents an excellent and challenging CNS model because it contains multiple cell and ... | Mouse; Eye; Optic cup; Morphogenesis; Retina; Lens; Wnt; Frizzled; Pituitary | 2008 |
86 |
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Baehr, Wolfgang | Isolation and characterization of cGMP phosphodiesterase from bovine rod outer segments | A simple purification method has been developed for isolation of bovine cGMP phosphodiesterase from photoreceptor rod outer segments. The enzyme is peripherally membrane bound in its native state and is present in relatively high concentrations. In the bovine photoreceptors its molar ratio to rhodop... | Enzyme Activation; Macromolecular Substances; Trypsin/pharmacology | 1979 |
87 |
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Angelucci, Alessandra | Layer-specific programs of development in neocortical projection neurons | How are long-range axonal projections from the cerebral cortex orchestrated during development? By using both passively and actively transported axonal tracers in fetal and postnatal ferrets, we have analyzed the development of projections from the cortex to a number of thalamic nuclei. We report th... | Axonal Transport; Efferent Pathways; Brain Mapping | 1995 |
88 |
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Baehr, Wolfgang | Lecithin-retinol acyltransferase is essential for accumulation of all-trans-retinyl esters in the eye and in the liver | Lecithin-retinol acyltransferase (LRAT), an enzyme present mainly in the retinal pigmented epithelial cells and liver, converts all-trans-retinol into all-trans-retinyl esters. In the retinal pigmented epithelium, LRAT plays a key role in the retinoid cycle, a two-cell recycling system that replenis... | Antibodies, Monoclonal; Chromatography, High Pressure Liquid; Microscopy, Fluorescence | 2004 |
89 |
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Olson, Randall J. | Legacy AdvanTec and Sovereign WhiteStar: a wound temperature study | PURPOSE: To assess the wound temperature of the Sovereign WhiteStar (S-WS) (AMO) and Legacy AdvanTec (L-ADV) (Alcon) phacoemulsification systems. SETTING: John A. Moran Eye Center, Health Sciences Center, University of Utah, Salt Lake City, Utah, USA. METHODS: Phacoemulsification using 20-gauge, 30-... | Eye Burns; Wound Temperature; Phacoemulsification Systems | 2004-05 |
90 |
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Baehr, Wolfgang | Light-dependent changes in G-protein binding to ROS membranes in intact Bufo retinas | Light-dependent changes in the binding of G-protein were analyzed in outer segment disk membranes obtained from photoreceptors of the toad (Bufo marinus) retina. Isolated, intact retinas, incubated in oxygenated Ringer's solution at 23 +/- 1 degree C, were subjected to various conditions of illumina... | Centrifugation, Density Gradient; Membranes; Adaptation, Physiological | 1986 |
91 |
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Baehr, Wolfgang | Light-dependent redistribution of visual arrestins and transducin subunits in mice with defective phototransduction | PURPOSE: The light-dependent redistribution of phototransduction components in photoreceptor cells plays a role in light adaptation. Upon illumination, rod and cone arrestins (Arr and cArr) translocate from the inner to the outer segments while transducin subunits (Talpha, Tbetagamma) translocate in... | Phototransduction; Protein Kinases; Rhodopsin Kinase | 2003 |
92 |
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Normann, Richard A.; Branner, Almut | Long-term stimulation and recording with a penetrating microelectrode array in cat sciatic nerve | We studied the consequences of long-term implantation of a penetrating microelectrode array in peripheral nerve over the time course of 4-6 mo. Electrode arrays without lead wires were implanted to test the ability of different containment systems to protect the array and nerve during contractions o... | Cats; Microelectrodes; Prosthesis Implantation; Sciatic Nerve | 2004 |
93 |
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Zhang, Kang | Loss of ER retention and sequestration of the wild-type ELOVL4 by Stargardt disease dominant negative mutants | PURPOSE: Mutations in ELOVL4, a member of the fatty acid elongase (ELO) family, are responsible for autosomal dominant Stargardt-like macular degeneration. The specific role of ELOVL4 in photoreceptors and the degenerative events induced by dominant ELOVL4 mutations are not well understood. As a fir... | Macular Degeneration; Transcription Factor CHOP; Molecular Chaperones | 2005 |
94 |
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Bernstein, Paul S.; Gellermann, Werner | Macular pigment Raman detector for clinical applications | Clinical studies of carotenoid macular pigments (MP) have been limited by the lack of noninvasive, objective instruments. We introduce a novel noninvasive optical instrument, an MP Raman detector, for assessment of the carotenoid status of the human retina in vivo. The instrument uses resonant excit... | Diagnosis, Computer-Assisted; Equipment Failure Analysis; Sensitivity and Specificity | 2004 |
95 |
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Olson, Randall J. | Mathematical description of causative factors and prevention of elevated intraocular pressure after keratoplasty | In keratoplasty with grafts the same size as the recipient bed, tight sutures and thick recipient corneal periphery distort the angle and may collapse the filtering meshwork. This can cause very high postoperative pressures, which can be avoided by the use of donor grafts larger than the recipient b... | Keratoplasty; Trabecular Collapse; Angle Disrottion; Elevated Pressure; Aphakia; Mathematics | 1977-12 |
96 |
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Fu, Yingbin | Mechanism of reductive activation of potato tuber ADP-glucose pyrophosphorylase. | The potato tuber (Solanum tuberosum L.) ADP-glucose pyrophosphorylase activity is activated by a incubation with ADP-glucose and dithiothreitol or by ATP, glucose- 1-phosphate, Ca2+, and dithiothreitol. The activation was accompanied by the appearance of new sulfhydryl groups as determined with 5, 5... | Glucosephosphates; Enzyme Activation; Adenosine Triphosphate | 1998 |
97 |
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Baehr, Wolfgang | Metabolism and transactivation activity of 13,14-dihydroretinoic acid | The metabolism of vitamin A is a highly regulated process that generates essential mediators involved in the development, cellular differentiation, immunity, and vision of vertebrates. Retinol saturase converts all-trans-retinol to all-trans-13,14-dihydroretinol (Moise, A. R., Kuksa, V., Imanishi, Y... | Chromatography, High Pressure Liquid; Electrophoresis, Polyacrylamide Gel; Retinoid X Receptors | 2005 |
98 |
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Olson, Randall J. | Microphaco update | Microphacoemulsification, or cataract surgery using ultrasound through two small stab incisions. Wound burn is now not a problem with AMO's Sovereign system plus Whitestar technology. | Microphacoemulsification; Wound Burn; Cataract Extraction | 2002 |
99 |
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Kriesel, John D. | Miliary Tuberculosis and the postpartum state | In 1985, a resurgence of tuberculosis began in the United States. In conjunction with this resurgence, there has been an increase in the number of atypical presentations of the disease. We recently treated a patient who had disseminated tuberculosis that became manifest in the postpartum state. Wher... | Miliary tuberculosis; Postpartum | 1995 |
100 |
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Normann, Richard A.; Horch, Kenneth W.; Cha, Kichul | Mobility performance with a pixelized vision system | A visual prosthesis, based on electrical stimulation of the visual cortex, has been suggested as a means for partially restoring functional vision in the blind. The prosthesis would create a pixelized visual sense consisting of punctate spots of light (phosphenes). The present study investigated the... | Visual Prosthesis; Mobility; Phosphene Simulator | 1992 |