نتایج جستجو برای: hla dqa
تعداد نتایج: 40138 فیلتر نتایج به سال:
BACKGROUND The activities of the Global Programme for the Elimination of Lymphatic Filariasis have been in operation since the year 2000, with Mass Drug Administration (MDA) undertaken yearly in disease endemic communities. Information collected during MDA-such as population demographics, age, sex, drugs used and remaining, and therapeutic and geographic coverage-can be used to assess the quali...
Kingpin axis geometry is crucial to the design of a suspension system. Suspension construction is truly three-dimensional, and the screw axis theory allows for a more accurate kinematic analysis. This study aims to present a dual quaternion analysis (DQA) method for calculating the kingpin axis geometry. The corresponding parameters include the caster angle, SAI angle, toe angle, caster trail a...
The MHC of cattle encodes two distinct isotypes of class II molecules, DR and DQ. Unlike humans, cattle lack the DP locus and about half the common haplotypes express duplicated DQ genes. The number and frequency of DQA and DQB alleles means that most cattle are heterozygous. If inter- and/or intrahaplotype pairing of DQA and DQB molecules occurs, cattle carrying DQ-duplicated haplotypes may ex...
BACKGROUND There are few published standards or methodological guidelines for integrating Data Quality Assurance (DQA) protocols into large-scale health systems research trials, especially in resource-limited settings. The BetterBirth Trial is a matched-pair, cluster-randomized controlled trial (RCT) of the BetterBirth Program, which seeks to improve quality of facility-based deliveries and red...
Analytical target cascading (ATC) is an effective decomposition approach used for engineering design optimization problems that have hierarchical structures. With ATC, the overall system is split into subsystems, which are solved separately and coordinated via target/response consistency constraints. As parallel computing becomes more common, it is desirable to have separable subproblems in ATC...
مقدمه :یکی از انواع شایع آلرژی رینیت آلرژی است .عامل اصلی این نوع آلرژی گرده گل ها، درختان و علف های هرز است .این گیاهان به طور عمده در بهار و تابستان گرده افشانی می کنند . یکی از این گیاهان آرتمیسیا ولگاریس است که در اواخر تابستان گرده افشانی می کند و از شیوع با?یی در سراسر جهان از جمله ایران برخوردار است . ارتباط مهمی بین آلل های hla-drb1 و آلرژی به گیاه آرتمیسیا ولگاریس در شهرستان سبزوار واق...
The major histocompatibility complex (MHC) is central to maintaining the immunologic vigor of individuals and populations. Classical MHC class II genes were targeted for partial sequencing in sea otters (Enhydra lutris) from populations in California, Washington, and Alaska. Sequences derived from sea otter peripheral blood leukocyte mRNAs were similar to those classified as DQA, DQB, DRA, and ...
The class II antigens ofthe human MHC are cell surface heterodimers composed of noncovalently linked 35-kD a chains and 29-kD (3 chains . These antigens are present on macrophages, B lymphocytes, and other APC (for review, see reference 1). Class II antigens are capable of binding immunogenic peptides and thereby serve as ligand for the TCR (2, 3) . Recent experiments have demonstrated that cla...
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