نتایج جستجو برای: allele substitution effect
تعداد نتایج: 1808406 فیلتر نتایج به سال:
In endangered and local pig breeds of small population sizes, production has to focus on alternative niche markets with an emphasis on specific product and meat quality traits to achieve economic competiveness. For designing breeding strategies on meat quality, an adequate performance testing scheme focussing on phenotyped selection candidates is required. For the endangered German pig breed 'B...
CONTEXT Cyclin D1 (CCND1) is a key cell cycle regulatory protein, the overexpression of which is often found in human tumors and is associated with cell proliferation and poor prognosis. A common adenine-to-guanine substitution polymorphism (A870G) in the CCND1 gene results in an altered messenger RNA transcript and a longer-life protein, which are preferentially encoded by the A allele. OBJE...
BACKGROUND French Polynesia has one of the highest incidence rates of thyroid cancer worldwide. Relationships with the atmospheric nuclear weapons tests and other environmental, biological, or behavioral factors have already been reported, but genetic susceptibility has yet to be investigated. We assessed the contribution of polymorphisms at the 9q22.33 and 14q13.3 loci identified by GWAS, and ...
The present study set out to investigate the effect of teaching substitution as a kind of grammatical cohesion on the true identification of confusing substitution elements with cohesive or non-cohesive roles in different contexts and also the production of modal, reporting and conditional contexts through clausal substitution acquaintance. To this end, the following procedures were taken. Firs...
background: in prostate cancer, mutated p53 alleles typically contain missense single-base substitution in codon 72 that resides within exons 5-8. stable p53 proteins in tumor cell nuclei have been associated with malignancy. a role of p53 is the regulation of drug transporters like abcc1 (mrp1) by an effect on promoter region.objectives: the objective of this study was to identify association ...
Ischemic heart disease is caused by a combination of and interaction between a number of genetic and environmental factors. In a study of a group of healthy men from the United Kingdom, such an interaction was identified between the levels of plasma triglycerides and genetic variation determining plasma levels of factor VII, a clotting factor that is associated with risk of ischemic heart disea...
The Dpp signaling pathway is essential for many developmental processes in Drosophila and its activity is tightly regulated. To identify additional regulators of Dpp signaling, we conducted a genetic screen for maternal-effect suppressors of dpp haplo-insufficiency. We screened approximately 7000 EMS-mutagenized genomes and isolated and mapped seven independent dominant suppressors of dpp, Su(d...
BACKGROUND Aquaporin-11 (AQP11) is a novel member of the aquaporin family. Disruption of the murine Aqp11 gene causes severe proximal tubular injury and renal failure. The rs2276415 (G>A) single-nucleotide polymorphism in the human AQP11 gene results in glycine to serine substitution in a functionally important domain. In this study, the role of the genetic predispositions of AQP11 rs2276415 (G...
Abasic substitutions within DNA or RNA are tools for evaluating the impact of absent nucleobases. Because of the importance of abasic sites in genetic damage, most research has involved DNA. Little information is available on the impact of abasic substitutions within RNA or on RNA interference (RNAi). Here, we examine the effect of abasic substitutions on RNAi and allele-selective gene silencin...
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