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Filters: Department: "Pathology" Collection: "ir_uspace"
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26 Normann, Richard A.; Chandler, John P.Effects of calcium ions on L-type horizontal cells in the isolated turtle retinaA 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; Turtle1990
27 Owen, William E.; Roberts, William L.Effects of hemoglobin (Hb) E and HbD traits on measurements of glycated Hb (HbA1c) by 23 methods.Glycohemoglobin (GHB), reported as hemoglobin (Hb) A1c, is a marker of long-term glycemic control in patients with diabetes and is directly related to risk for diabetic complications. HbE and HbDare the second and fourth most common Hb variants worldwide. We investigated the accuracy of HbA1c measur...Glycohemoglobin; GHB; Glycated Hb; Glycemic control2008
28 Owen, William E.; Roberts, William L.Effects of hemoglobin C and S traits on the results of 14 commercial glycated hemoglobin assaysGlycated hemoglobin is widely used in the management of diabetes mellitus. At least 300,000 Americans with diabetes mellitus have the hemoglobin (Hb) C or S trait. The accuracy of HbA1c methods can be adversely affected by the presence of these traits. We evaluated the effects of HbC and HbS traits ...Glycated hemoglobin assays; Hemoglobin C trait; Hemoglobin S trait2008
29 Erickson, J. Alan; Aldeen, William E.; Ashwood, Edward R.Evaluation of a fecal pancreatic elastase-1 enzyme-linked immunosorbent assay: assessment versus an established assay and implication in classifying pancreatic functionDisagreement continues regarding the two commercially available fecal pancreatic elastase-1 (PE-1) ELISAs and their respective capabilities to assess pancreatic function. Our objectives were to validate the newer PE-1 ELISA and evaluate the test against the previously established assay, to investiga...PE-1; pancreatic elastase-1; FDA; AMR; analytical measurement range; BioServ Diagnostics PE-1ELISA; ScheBo Biotech PE-1ELISA2005-09-25
30 Jaskowski, Troy D.Evaluation of a PCR probe capture assay for the detection of Toxoplasma gondii: incorporation of uracil N-glycosylase for contamination controlToxoplasma gondii is a cyst-forming parasite of clinical relevance in humans primarily because of the neurologic abnormalities it can cause. In some clinical circumstances, it is desirable to detect the pathogen directly. We modified a commercially available Toxoplasma polymerase chain reaction...PCR probe capture assay; Uracil N-glycosylase; UNG2000
31 Erickson, J. Alan; Ashwood, Edward R.Evaluation of an enzyme-linked binding protein assay for hyaluronic acid and concentrations in hepatitis C infected patientsSerological hyaluronic acid (HA) has been proposed as a noninvasive alternative to liver biopsy for assessing the extent of liver fibrosis. Liver biopsy correctly identifies hepatic disease in about 65 to 75% of cases, being strongly dependent on the length of the biopsy obtained. Furthermore, hepat...Hyaluronic Acid Concentration; Corgenix HA assay2005-07-21
32 Konnick, Eric Q.; Ashwood, Edward R.; Hillyard, David R.Evaluation of the Alliance HCV Quantitative Analyte Specific Reagent (ASR) Assay and Comparison to the COBAS HCV TaqMan ASR Assay.To evaluate the Abbott/Celera Alliance HCV Quantitative ASR (Alliance) assay using the Qiagen BioRobot 9604 and QiaAmp Virus Kit for viral RNA isolation. And compare Alliance HCV TaqMan ASR to the Roche COBAS HCV TaqMan ASR (CTM) assay calibrated using Armored RNA solutions and WHO 2nd international...Quantitative Tests; Linearity Studies2004-05-10
33 Konnick, Eric Q.; Ashwood, Edward R.; Hillyard, David R.Evaluation of the COBAS HBV TaqMan Analyte Specific Regent (ASR) and COBAS HCV TaqMan ASR Assays using the Vidiera NSP sample preparation instrument.The Vidiera Nsp nucleic sample preparation instrument (Vidiera,Beckman-Coulter Inc., Fullerton CA) was evaluated using the COBAS HBV TaqMan Analyte Specific Reagent (ASR. Roche Molecular Diagnostics [RMD], Indianapolis, IN) and COBAS HCV TaqMan ASR (RMD) assays using clinical samples and HCV Armored...Quantitative Tests; Linearity Studies2006-05-05
34 Konnick, Eric Q.; Ashwood, Edward R.; Hillyard, David R.Evaluation of the COBAS HBV TaqMan Analyte Specific Regent (ASR) Assay and Comparison to the COBAS Amplicor HBV Monitor Assay.erformance characteristics of the COBAS HBV TaqMan ASR (TaqMan) assay were evaluated and compared to the COBAS Amplicor HBV Monitor test (Amplicor) assay for the quantification of HBV DNA in clinical samples.Quantitative Tests; Linearity Studies2004-05-03
35 Konnick, Eric Q.; Ashwood, Edward R.; Hillyard, David R.; Comanor, Lorraine; Di Canzio, JamesEvaluation of the Versant ? HBV DNA 3.0 Assay (bDNA)+ and comparison with the Cobastm HBV Taqman Analyte Specific Reagent Assay.To evaluate the performance characteristics of the Versant ? HBV DNA 3.0 assay (bDNA)+ (Versant, Bayer Healthcare LLC, Tarrytown, NY). 2.) To compare the Versant assay to the COBAS HBV TaqMan Analyte Specific Reagent assay (TaqMan) (Roche Molecular Systems, Pleasanton, CA) using random and defined p...International Standard; HBV DNA Tests2005-05-07
36 Wittwer, Carl T.Genotyping accuracy of high-resolution DNA melting instrumentsHigh-resolution DNA melting is a closed-tube method for genotyping and variant scanning that depends on the thermal stability of PCR-generated products. Instruments vary in thermal precision, sample format, melting rates, acquisition, and software. Instrument genotyping accuracy has not been assesse...2014-01-01
37 Liew, Michael; Erali, Maria; Page, Sam; Hillyard, David R.; Wittwer, Carl T.Hepatitis C genotyping by denaturing high-performance liquid chromatographyDetermination of the hepatitis C virus (HCV) genotype for infected patients increasingly has become accepted as the standard of care. Genotype assignment helps in assessing disease prognosis and assists in establishing the appropriate duration of treatment. The great genetic diversity of HCV, with 1...Base Sequence; 5' Untranslated Regions; Genotype; Hepacivirus; Molecular Sequence Data2004-01
38 Dwight, Zachary LawrenceHeterozygote PCR product melting curve predictionMelting curve prediction of PCR products is limited to perfectly complementary strands. Multiple domains are calculated by recursive nearest-neighbor thermodynamics. However, the melting curve of an amplicon containing a heterozygous single nucleotide variant (SNV) after PCR is the composite of four...2014-01-01
39 Erickson, J. Alan; Smith, Jeffrey, J.; Bornhorst, Joshua A.; Ashwood, Edward R.Humananti-mouse antibody protected ELISA for the quantification of squamous cell carcinoma antigenSquamous cell carcinoma antigen (SCC) was first isolated from squamous cell carcinoma tissue of the uterine cervix and initially reported as TA-4. The antigen has been characterized as a glycoprotein with a molecular weight between 45,000 and 55,000 daltons. Studies suggest that SCC may function as ...SCC; Squamous Cell Carcinoma Antigen; BSA; PBS; Phosphate Buffered Saline; HAMA; Human Anti-mouse Antibodies; IIR; ImmunoglobulinInhibiting Reagent2005-12-09
40 Pounder, June I.; Simmon, Keith E.; Barton, Claudia A.; Hohmann, Sheri L.Identification of nonsporulating molds by sequencing internal transcribed spacer regions with Virodec software and databaseFungal infections are increasing, particularly among immunocompromised hosts, and a rapid, accurate diagnosis is essential for the initiation of targeted antifungal therapy. Identification of fungi from culture requires the presence of reproductive structures, and the absence of spores can increase ...nonsporulating molds; genetic sequencing; Virodec; ITS I; ITS II2006-01-09
41 Wittwer, Carl T.Influence of PCR reagents on DNA polymerase extension rates measured on real-time PCR instrumentsBACKGROUND: Radioactive DNA polymerase activity methods are cumbersome and do not provide initial extension rates. A simple extension rate assay would enable study of basic assumptions about PCR and define the limits of rapid PCR. METHODS: A continuous assay that monitors DNA polymerase extension us...2014-01-01
42 Cloud, Joann L.; Carroll, Karen C.; Cohen, Samuel; Anderson, Clint M.; Woods, Gail L.Interpretive criteria for use of AccuProbe for identification ofRapid identification of Mycobacterium avium complex (MAC) is possible by use of AccuProbe (Gen-Probe, San Diego, Calif.). To evaluate the reliability of the MAC AccuProbe for testing 7H9 cultures inoculated with broth from MGIT cultures positive for acid-fast bacilli or growth on a s...Bacteria; Typing; Mycobacterium avium complex; MAC2005-03-03
43 Planelles, VicenteKinase control of latent HIV-1 infection: PIM-1 kinase as a major contributor to HIV-1 reactivationDespite the clinical relevance of latent HIV-1 infection as a block to HIV-1 eradication, the molecular biology of HIV-1 latency remains incompletely understood. We recently demonstrated the presence of a gatekeeper kinase function that controls latent HIV-1 infection. Using kinase array analysis w...2014-01-01
44 Jaskowski, Troy D.; Litwin, Christine M.; Hill, Harry R.Laboratory diagnosis of Inflammatory Bowel Disease (IBD)Study to compare the results obtained by two separate reference libraries for serological assays utlilized in the diagnosis and differentiation of Crohn's disease and ulcerative colitis, and to assess the clinical utility of the outer-membrane porin C (OmpC) IgA assay in IBD.IBD2005-06-17
45 Dwight, Zachary LawrenceLaboratory driven, lean-to-adaptive prototyping in Parallel for Web software project identification and application development in health science researchClinical research laboratories, bioinformatics core facilities, and health science organizations often rely on heavy planning based software development models to propose, build, and distribute software as a consumable product. Projects in non-agile software life cycles tend to have rigid ?plan-desi...2012
46 Smith, A. Gordon; Singleton, J. RobinsonLifestyle intervention for pre-diabetic neuropathy.OBJECTIVE: The purpose of this study was to evaluate intraepidermal nerve fiber density (IENFD) as a sensitive measure of neuropathy change in patients with neuropathy associated with impaired glucose tolerance (IGT) receiving lifestyle intervention based on that used in the Diabetes Prevention Prog...Older people; Biopsy; Blood Pressure; Body Mass Index; Cholesterol; Diabetic Diet2006-06-29
47 Margraf, Rebecca L.; Mao, Rong; Highsmith, W. Edward; Holtegaard, Leonard; Wittwer, Carl T.Masking selected sequence variation by incorporating mismatches into melting analysis probesHybridization probe melting analysis can be complicated by the presence of sequence variations (benign polymorphisms or other mutations) near the targeted mutation. We investigated the use of 'masking' probes to differentiate alleles with similar probe melting temperatures. Selected sequence variati...probe hybridization; high-resolution melting analysis; masking; RET2005-06-28
48 Margraf, Rebecca L.; Mao, Rong; Wittwer, Carl T.Masking techniques: masking selected sequence variation by incorporating mismatches into melting analysis probesHybridization probe melting analysis can be complicated by the presence of sequence variation (non-pathogenic polymorphisms or other mutations) near the targeted mutation. We investigated the use of 'masking' probes to differentiate alleles with similar probe melting temperatures. Materials and Meth...probe hybridization; high-resolution melting analysis; masking; RET2005-10-21
49 Rockwood, Alan L.Mass spectrometry for steroids, immunosuppressants, and other clinical applicationsPresentation slides on matching mass spectrometry technology to clinical applications.Immunosuppressants2005-07-26
50 Singleton, J. Robinson; Smith, A. GordonMicrovascular complications of impaired glucose tolerance.Impaired glucose tolerance (IGT) serves as a marker for the state of insulin resistance and predicts both large- and small-vessel vascular complications, independent of a patient's progression to diabetes. Patients with IGT are at significantly increased risk for death and morbidity due to myocardia...Microcirculation; Humans2003-12-01
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