نتایج جستجو برای: dqa
تعداد نتایج: 148 فیلتر نتایج به سال:
OBJECTIVE To evaluate the consistency and quality of immunization monitoring systems in 27 countries during 2002-03 using standardized data quality audits (DQAs) that had been launched within the framework of the Global Alliance for Vaccines and Immunization. METHODS The consistency of reporting systems was estimated by determining the proportion of third doses of diphtheria-tetanuspertussis ...
Although many studies confirm long-term small isolated populations (e.g. island endemics) commonly sustain low neutral genetic variation as a result of genetic drift, it is less clear how selection on adaptive or detrimental genes interplay with random forces. We investigated sequence variation at two major histocompatibility complex (Mhc) class II loci on a porpoise endemic to the upper Gulf o...
A team of ecologists, computer scientists, and engineers from Conservation International (CI) and San Diego Supercomputer Center at the University of California San Diego (SDSC, UCSD) has been collaborating over the past 3 years to develop cyberinfrastructure for the TEAM (Tropical Ecology, Assessment and Monitoring) Network of tropical forest field sites. The TEAM project provides real-time da...
The common marmoset (Callithrix jacchus) is a New World primate species that is highly susceptible to fatal infections caused by various strains of bacteria. We present here a first step in the molecular characterization of the common marmoset's Mhc class II genes by nucleotide sequence analysis of the polymorphic exon 2 segments. For this study, genetic material was obtained from animals bred ...
ImportanceBeta-lactams (BLs) are the most prescribed antibiotics, being frequent cause of drug allergy. However, association between BL allergy and genetic variations is still unclear.ObjectiveThis systematic review meta-analysis aimed to summarize effects BL-induced hypersensitivity using existing evidence.MethodsWe searched PubMed, Medline, Scopus, EMBASE, CINAHL, Cochrane Library from incept...
Celiac disease is strongly associated with the HLA class II D-region serologic markers DR3 (DRw17) and DQw2. Moreover, by restriction fragment length polymorphism analysis, greater than 90% of DR3 (DRw17), DQw2 celiac disease patients have a polymorphic 4.0-kilobase Rsa I DP B gene DNA fragment. The present study sought to determine if there is a unique HLA class II D-region A or B gene structu...
OBJECTIVE To study the influence MHC class II and TAP2 alleles exert on systemic lupus erythematosus (SLE) susceptibility and on the clinical and serological manifestations of the disease, in a cohort of Spanish patients. METHODS HLA-DR serological typing and HLA-DQA, DQB, and TAP2 DNA sequence specific oligotyping, were carried out in 85 unrelated Spanish SLE patients and 186 healthy control...
BACKGROUND Human leukocyte antigen (HLA)-DQ has emerged as the alloantibody most frequently associated with the generation of de novo donor-specific antibody (DSA), antibody-mediated-rejection, and unfavorable transplantation outcome. METHODS The generation of HLA-DQ de novo DSA was interrogated in 40 transplant recipients who were immunologically naive before their failed transplantation. Ep...
Donor-specific antibodies (DSA) in sera of sensitized transplant patients are often produced against the specific epitopes on mismatched HLA antigens. In this study, we selected sera from 30 kidney transplant patients with DSA and AMR to define DQ epitopes. Using adsorption and elution assays, we identified 18 antibody reaction patterns to define 6 new epitopes and to confirm 12 previously defi...
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