Abstract:
CONTEXT:Hepatitis C virus (HCV) infects up to 1.8% of the US general population, although the rate is significantly higher in military veterans at 5.4-20%. Early detection and accurate diagnosis are critical as chronic HCV infection can lead to liver cirrhosis and hepatocellular carcinoma. Genotype analysis has both therapeutic and prognostic importance in patients with HCV infections. OBJECTIVE:We compare two versions of a commonly utilized platform for genotype analysis in HCV infections and review the implications of the results for clinical practice. DESIGN:A retrospective review of 9401 genotype results from 2001-2010 were analyzed. All results were obtained from the James A. Haley VA Medical Center, a large referral veterans' healthcare facility. RESULTS:Genotype 1 was identified in 80.1% of samples, genotype 2 in 11.1%, genotype 3 in 7.4%, and genotype 4 in 1.2%. Genotypes 5 and 6 were rarely present in our patient population. Improvements in diagnostic methodologies over the study period resulted in shifts in genotype subtyping. Specifically, upgrading from the Versant HCV genotype assay (LIPA) (Siemens, Tarrytown, NY) to the newer version 2.0 assay resulted in an increase in identification of genotype 1a by 18.5%. CONCLUSIONS:Improved technologies lead to accurate genotype identification and subtyping, both of which have increasingly important prognostic and therapeutic implications. The clinical importance of these results in patients with HCV infections is reviewed.
journal_name
Ann Clin Lab Scijournal_title
Annals of clinical and laboratory scienceauthors
Thomas LB,Foulis PR,Mastorides SM,Djilan YA,Skinner O,Borkowski AAsubject
Has Abstractpub_date
2012-10-01 00:00:00pages
355-62issue
4eissn
0091-7370issn
1550-8080pii
42/4/355journal_volume
42pub_type
杂志文章abstract::DLC1 (deleted in liver cancer-1) is a new candidate tumor suppressor gene, which is inactive in various types of human cancers including colon cancer. To study the function of DLC1, we constructed a pcDNA3.1 vector containing the DLC1 gene and transfected it into HT29 colon cancer cells that were deficient in DLC1 exp...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2009-07-01 00:00:00
abstract::Human amniotic-derived cells (hAMCs) have recently raised interest for their differentiation capability and immunomodulatory properties. To assess the feasibility of hAMCs therapeutic treatment during fetal development, we explored the localization of cells derived from the human amniotic membrane in rat organs after ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2015-04-01 00:00:00
abstract::The erythrocyte abnormality most often associated with the toxic effects of commonly used drugs is premature destruction. The mechanisms of erythrocyte destruction include: denaturation of unstable hemoglobins, oxidation of sulfhydril groups in hemoglobin and the erythrocyte membrane in the presence of glucose-6-phosp...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章,评审
doi:
更新日期:1988-01-01 00:00:00
abstract::This review considers the most recent developments concerning the metabolism and homeostasis of calcium and phosphorus. The kinetics of the distribution of calcium, theories of calculus formation, hypercalcemia and hypocalcemia are discussed, as well as the role of parathyroid hormone, thyrocalcitonin and 1,25 dihydro...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章,评审
doi:
更新日期:1975-05-01 00:00:00
abstract::Urine p-aminophenol (PAP) concentration serves as a biological marker for occupational exposures to aniline. We report the development of a rapid, simple spectrophotometric method for quantification of urine PAP concentration using a chemical autoanalyzer (Olympus Reply). The method involves oxidative coupling of PAP ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2004-07-01 00:00:00
abstract::Glycosylated hemoglobin (HbA1c) levels on blood obtained from 28 cadavers were compared with that of healthy volunteers and patients with diabetes mellitus. Levels of HbA1c did not correlate with post-mortem intervals of four to 36 hours, suggesting that HbA1c is stable under these conditions. All deceased with a hist...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1983-09-01 00:00:00
abstract::Qualitative urinary screening procedures were converted to quantitative methods for urinary cystine and homocystine based on the reactions between these amino acids and cyanide-nitroprusside reagents. Cystine and homocystine are quantified by the measurement of absorbances at 521 and 524 nm, respectively. Cyanide-nitr...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1992-01-01 00:00:00
abstract::Alterations in ion transport have been implicated in the pathogenesis of several disease states. Methods of studying ion transport, however, are rather tedious, time consuming and not well defined in terms of kinetics and reproducibility. This paper describes a rapid, simple method of examining ion transport in intact...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1981-03-01 00:00:00
abstract::A high performance liquid chromatography has been adapted to the measurement of putrescine, spermidine and spermine in plasma and erythrocytes. Detection was by fluorimetry using o-phthalaldehyde which formed fluorophores with the polyamines. Sensitivity of the method was better than 10 pmol of each polyamine, and rec...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1980-03-01 00:00:00
abstract::The histopathologic findings in lung tissue are reported from five cases of Philadelphia Legionnaire's Disease and the results are compared to pneumonias caused by other microbial and chemical agents. Histopathology of lung tissue was similar in all cases, despite the fact that death occurred between the fourth and 14...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1979-09-01 00:00:00
abstract::This study assessed the progression of renal damage in obese Zucker rats in response to deoxycorticosterone acetate (DOCA)-salt-induced hypertension. Renal damage was evaluated by light microscopy and urine analysis at weekly intervals during the developmental phase of DOCA-salt hypertension and once during the platea...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2005-01-01 00:00:00
abstract::Renal arterioles from five patients with benign essential hypertension (BH) and four patients with malignant essential hypertension (MH) were studied using electron microscopy (EM). This study suggests a concept of different pathogenetic mechanism for renal vascular (arteriolar) lesions in BH and MH (i.e., benign and ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1977-03-01 00:00:00
abstract::Hand, foot and mouth disease (HFMD) is a serious public health problem. Generally, it is considered that HFMD is mainly caused by enterovirus 71 (EV71) and coxsackievirus A16 (CVA16). Nevertheless, the incidence of HFMD caused by coxsackievirus A6 (CVA6) and coxsackievirus A10 (CVA10) has increased significantly and C...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2017-03-01 00:00:00
abstract::Pseudotumor cerebri (PTC) is characterized by increased intracranial pressure and papilledema without a mass lesion. PTC predominantly affects obese women. Currently, the pathogenesis of PTC is obscure. Since cytoskeletal abnormalities are found in many neurodegenerative diseases, we hypothesized that some cytoskeleta...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2006-04-01 00:00:00
abstract::Male Sprague-Dawley rats were subjected for 2 weeks to daily injections of homocysteine (Hcy), which increased plasma Hcy approximately 2-fold. Echocardiography indicated significant increases in left ventricular diastolic (13%) and systolic (31%) dimensions and decreases in posterior wall thickness (diastolic, -17%; ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2004-04-01 00:00:00
abstract::Macrophage-migration inhibition factor (MIF) is a lymphocyte-derived substance which plays an important role in cell mediated immunity. Soluble factors containing MIF-like activity and produced by non-stimulated and virus-infected non-lymphoid cell cultures have also been reported. In the present study, a MIF-like fac...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1978-09-01 00:00:00
abstract::The utilization of fibrin sealants to augment hemostasis, seal tissues, and facilitate targeted delivery of drugs is increasing. In 1985, a hospital-based program was established to provide autologous and allogeneic cryoprecipitate that serves as a fibrin sealant when combined with bovine thrombin. To date, more than ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章,评审
doi:
更新日期:2001-01-01 00:00:00
abstract::Infection with atypical mycobacteria (MAC) is a well-known complication of AIDS that typically occurs only in people with advanced immunodeficiency. We studied tissues from 13 patients with HIV and atypical mycobacterial infection who died in St Petersburg Russia from 2009-2012. Three patterns of disease were identifi...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2014-04-01 00:00:00
abstract::Hydroxyethyl starch (HES) has been shown to be beneficial in several inflammatory situations, but the mechanisms are unclear. The present study tested the hypothesis that HES has effects on nuclear factor kappa B (NF-kappaB) activation and the expression of inflammatory mediators induced by lipopolysaccharide. Sepsis ...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2003-10-01 00:00:00
abstract::Testicular changes preceding and accompanying the initiation of spermatogenesis are reviewed. The complex cellular changes occurring in the developing testis are found to be particularly well defined with the use of electron microscopy. The findings suggest that electron microscopic examination may be useful in the ev...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章,评审
doi:
更新日期:1975-01-01 00:00:00
abstract::The aging process in man leads to some loss of kidney mass and function. The kidney produces epidermal growth factor (EGF), a polypeptide involved in the repairing process of epithelial cells. Human urine contains high concentrations of EGF, derived from its production in the kidney. It is not known if aging alters ur...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1997-03-01 00:00:00
abstract::The extent to which a diagnostic observation or test contributes to a diagnosis is usually represented by a conditional, or Bayesian, probability. According to information theory, the contribution of a diagnostic observation can also be measured in bits of information. This offers a representation of the Bayes rule wh...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1989-09-01 00:00:00
abstract::M. Tuberculosis (MTB) is an obligate human parasite even though humans are more resistant than any of the animals used for study. It is a human parasite because only humans develop post primary tuberculosis (TB) in their lungs that mediates transmission of infection to new hosts. The extreme paucity of human lung tiss...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2014-10-01 00:00:00
abstract::At the cellular level, mutations in deoxyribonucleic acid (DNA) can lead to synthesis of altered proteins which are unable to sustain specific cell functions, eventually leading to its death. Veritably apoptosis, or programmed cell death, is a device to eliminate heavily mutated cells. Cell membranes with altered prot...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章,评审
doi:
更新日期:1996-01-01 00:00:00
abstract::Increased red cell lipid peroxidation (LP) occurs in the presence of ionized iron, as well as with various heme moieties and other transition metal ions. In stored erythrocytes, the degree of LP, as determined by plasma malondialdehyde measurements, can be significantly reduced by the addition of various metal chelati...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1993-09-01 00:00:00
abstract::The purpose of this study was to determine whether or not a newer test of platelet function, Sonoclot coagulation analysis, can identify the patients who develop significant prolongation of bleeding time after aspirin ingestion. Template bleeding time, platelet aggregation in response to arachidonic acid, collagen, ep...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1991-09-01 00:00:00
abstract::The determination of the T and B subpopulation percentages and lymphocyte blastogenic response functions are useful tools to evaluate and monitor disorders associated with immunodeficiencies, lymphoproliferations, malignancies, infections, inflammations, and autoimmune diseases. Comparative studies of cryopreserved ly...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1983-07-01 00:00:00
abstract::To investigate the relationships of trace element concentrations vs hematopoiesis and iron parameters, we measured lead, copper, zinc, cadmium, and ferritin levels in 251 healthy adolescents. Concentrations of trace metals were determined by atomic absorption spectrophotometry. There were no significant gender-related...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:2005-10-01 00:00:00
abstract::Recently documented Vibrio cholerae and non-cholera vibrio infections in Florida and other American waters led to a study to determine the selectivity of thiosulfate-citrate-bile salts-sucrose media (TCBS). Thirty-one species with 188 different strains of clinical, marine, and stock origin were examined on the TCBS me...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1983-01-01 00:00:00
abstract::Five cases of intestinal microsporidiosis are reported, including one case of a heterosexual female acquired immunodeficiency syndrome (AIDS) patient, three homosexual males, and one bisexual male AIDS patients with detailed description of their clinical course. These five cases underscore the severity of immunodefici...
journal_title:Annals of clinical and laboratory science
pub_type: 杂志文章
doi:
更新日期:1994-11-01 00:00:00