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Creator | Title | Description | Subject | Date |
76 |
 | 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 |
77 |
 | Normann, Richard A.; Muller, Jay F.; Kolb, Helga | Synaptic inputs to physiologically defined turtle retinal ganglion cells | Two physiologically distinct, HRP-marked turtle retinal ganglion cells were examined for their morphology, GABAergic, glycinergic, and bipolar cell synaptic inputs, using electron-microscopic autoradiography and postembedding immunocytochemistry. One cell was a color-opponent, transient ON/OFF gangl... | Turtles; Neural Pathways; Synapes; Retinal Ganglion Cells | 1991 |
78 |
 | Olson, Randall J.; Pingree, Michael F.; Lundergan, Maureen K. | Penetrating keratoplasty for keratoconus: a long-term review of results and complications | PURPOSE: To study the long-term complications of penetrating keratoplasty (PKP) to evaluate current recommendations to patients with keratoconus. SETTING: John Moran Eye Center, University of Utah, Salt Lake City, Utah, USA. METHODS: Retrospective study of all PKP procedures for keratoconus performe... | Visual Acuity; Refraction, Ocular; Keratoconus; Astigmatism | 2000-07 |
79 |
 | Olson, Randall J.; Mamalis, Nick; Spencer, Terrence S. | Postoperative sterile endophthalmitis (TASS) associated with the memorylens | PURPOSE: To report 10 cases of delayed-onset acute intraocular inflammation following cataract extraction and posterior chamber implantation of the MemoryLens(R) intraocular lens (IOL). SETTING: John A. Moran Eye Center, Department of Ophthalmology, University of Utah, Salt Lake City, Utah, USA. MET... | Memory Lens; Toxic Anterior Segment Syndrome; Retrospective Studies; adverse effects | 2000-12 |
80 |
 | 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 |
81 |
 | 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 |
82 |
 | Olson, Randall J. | Wound complications associated with incision enlargement for foldable intraocular lens implantation during cataract surgery | PURPOSE: To determine the relationship between various intraocular lens (IOL) types and the incidence of unwanted light images. SETTING: The Moran Eye Center, University of Utah, Salt Lake City, Utah, USA. METHODS: A telephone questionnaire was administered to 302 postoperative patients who had rece... | Cararact Surgery; Incision Enlargement; Wound Complications; Vision Disorders | 2000-06 |
83 |
 | Baehr, Wolfgang; Frederick, Jeanne M.; Church-Kopish, Jill; Howes, Kimberly | Mutant rhodopsin transgene expression on a null background | PURPOSE. To study mechanisms leading to photoreceptor degeneration in mouse models for autosomal dominant retinitis pigmentosa (adRP) based on the rhodopsin P23H mutation. METHODS. Mice of a transgenic line expressing a rhodopsin triple mutant, V20G, P23H, and P27L (GHL), were mated with rhodopsin (... | Mutant Rhodopsin; Photoreceptor Degeneration; Autosomal Dominant Retinitis Pigmentosa; Rhodopsin | 2001-03 |
84 |
 | Askew, Eldon W.; Bernstein, Paul S. | Serum and macular responses to antioxidant supplementation verus a carotenoid-rich dietary intervention in the elderly. | The aim of this study was to observe responses of serum antioxidants, oxidative stress biomarkers, and macular carotenoid pigments to antioxidant supplements or dietary intervention in a single-masked, randomized, pilot clinical study of elderly subjects receiving antioxidant supplements or a dietar... | Macula; Serum Carotenoids; Zeaxanthin | 2006-02-01 |
85 |
 | Normann, Richard A.; Johansson,Torbjorn; Abbasi, Masoud; Huber, Robert J. | Three-dimensional architecture for a parallel processing photosensing array | A three-dimensional architecture for a photosensing array has been developed. This silicon based architecture consists of a 10 x 10 array of photosensors with 80 microns diameter, through chip interconnects to the back side of a 500 microns thick silicon wafer. Each photosensor consists of a 300 x 3... | Retina; Optics; Silicon; Photosensing | 1992 |
86 |
 | 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 |
87 |
 | Creel, Donnell J.; Leventhal, Audie G. | Retinal projections in tyrosinase-negative albino cats | Retinal projections were examined in two tyrosinase-negative albino cats using autoradiographic techniques. Cats from this colony have pink eyes; their retinal pigment epithelium, ciliary body, and iris epithelium are completely devoid of melanin pigment. Test breeding for five generations indicates... | Cats; Albinism; Vision; Autoradiography; Retina | 1982-07 |
88 |
 | Baehr, Wolfgang | Novel mutation (I143NT) in guanylate cyclase-activating protein 1 (GCAP1) associated with autosomal dominant cone degeneration | PURPOSE: To identify pathogenic mutations in the guanylate cyclase-activating protein 1 (GCAP1) and GCAP2 genes and to characterize the biochemical effect of mutation on guanylate cyclase (GC) stimulation. METHODS: The GCAP1 and GCAP2 genes were screened by direct sequencing for mutations in 216 pat... | DNA Mutational Analysis; Mutation, Missense; Electroretinography | 2004 |
89 |
 | Baehr, Wolfgang | Retinoid absorption and storage is impaired in mice lacking lecithin:retinol acyltransferase (LRAT) | Lecithin:retinol acyltransferase (LRAT) is believed to be the predominant if not the sole enzyme in the body responsible for the physiologic esterification of retinol. We have studied Lrat-deficient (Lrat-/-) mice to gain a better understanding of how these mice take up and store dietary retinoids a... | Chromatography, High Pressure Liquid; Mice, Transgenic; Tissue Distribution | 2005 |
90 |
 | 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 |
91 |
 | Digre, Kathleen B.; Couldwell, William T.; Amini, Amin | Photophobia in a blind patient: An alternate visual pathway. Case report. | Photophobia is a common neurological and ophthalmological symptom that has been associated with a growing number of neurosurgical conditions, especially compressive lesions. The exact signaling pathways and neurophysiological features of the disorder are not well understood; however, data from multi... | Photophobia, Blindness, Signaling Pathway, Pretectal Nuclei, Trigeminal Pathway | 2006-12-14 |
92 |
 | 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 |
93 |
 | 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 |
94 |
 | Zhang, Kang | Molecular and developmental characterization of the heat shock cognate 4 gene of Drosophila melanogaster | The Drosophila heat shock cognate gene 4 (hsc4), a member of the hsp70 gene family, encodes an abundant protein, hsc70, that is more similar to the constitutively expressed human protein than the Drosophila heat-inducible hsp70. Developmental expression revealed that hsc4 transcripts are enriched in... | Embryo, Nonmammalian; Molecular Sequence Data | 1990 |
95 |
 | 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 |
96 |
 | Baehr, Wolfgang | Primary structure and chromosomal localization of human and mouse rod photoreceptor cGMP-gated cation channel | We have determined the primary structures of the human and mouse retinal rod cGMP-gated cation channel by analysis of cDNA clones and amplified DNA. The open reading frames predicted polypeptides of 690 and 683 residues exhibiting 88% sequence similarity. Sequence comparison indicated that the rod c... | Restriction Mapping; Sequence Homology, Nucleic Acid; Chromosomes, Human, Pair 4 | 1992 |
97 |
 | 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 |
98 |
 | 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 |
99 |
 | Kriesel, John D.; Spruance, Spotswood L.; Daynes, Raymond A. | Nucleic acid vaccine encoding gD2 protects mice from herpes simplex virus type 2 disease. | Nucleic acid vaccinations with plasmids pWW65, containing the sequence for herpes simplex type 2 (HSV-2) gD2, and pRSVnt, lacking the gD sequence, were studied. Groups of mice were immunized with pWW65 alone, pWW65 plus 1,25-dihydroxyvitamin-D3 (D3), or pRSVnt. Clinical disease (vaginitis), serum an... | Mice, Inbred BALB C; Plasmids; Viral Vaccines | 1996 |
100 |
 | Bernstein, Paul S.; Gellermann, Werner | Nonmydriatic fluorescence-based quantitative imaging of human macular pigment distributions. | We have developed a CCD-camera-based nonmydriatic instrument that detects fluorescence from retinal lipofuscin chromophores ("autofluorescence") as a means to indirectly quantify and spatially image the distribution of macular pigment (MP). The lipofuscin fluorescence intensity is reduced at all ret... | Cytology; Sensitivity and Specificity | 2006-10 |