نتایج جستجو برای: background major histocompatibility complex mhc comprises a group of genes
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The autosomal dominant mutant gene, tail anomaly lethal (Tal), of the rat is lethal when homozygous but affects tail morphology (kinks and reduced length) and body weight when heterozygous. There is no apparent sex effect on the expression of Tal. It is incompletely penetrant; has variable expressivity, which is influenced partly by its genetic background; and is not linked to the major histoco...
background: hla-g is a major histocompatibility complex (mhc), class ib molecule that is selectively expressed at the fetal–maternal interface. it is thought to play a role in protecting the fetus from the maternal immune response. interestingly, the preimplantation embryo development (ped) gene product qa-2 is also a mouse mhc class ib protein that affects cleavage and division of preimplantat...
The major histocompatibility complex (MHC) is a dynamic genome region with an essential role in the adaptive immunity of vertebrates, especially antigen presentation. The MHC is generally divided into subregions (classes I, II and III) containing genes of similar function across species, but with different gene number and organisation. Crocodylia (crocodilians) are widely distributed and repres...
Primers targeting two non-neutral major histocompatibility complex (mhc) II β genes were developed and assayed across several disjoint Sacramento perch Archoplites interruptus sampling locations. Variability at the two mhc loci among sampling stocks strongly correlated to previous estimates with neutral markers, suggesting that the effect of genetic drift was not limited to neutrally evolving r...
To identify foot-and-mouth disease virus (FMDV) specific T-cell epitopes within the entire polyprotein sequence of the virus, 442 overlapping pentadecapeptides were tested in proliferation assays using lymphocytes from cattle experimentally infected with FMDV. Four months post-infection cells from all investigated animals (n = 4) responded by proliferation and interferon-gamma production to a p...
Major histocompatibility complex has previously been shown to influence the resistance of chicken to Marek's disease virus (MDV). However, little is known about expression of other genes in the MHC-I and II pathway after MDV infection. This study aimed at investigating 8 immune-related genes in the MHC core region that affects host responses to MDV. Spleens of infected and age-matched uninfecte...
abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...
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