نتایج جستجو برای: heterozygote
تعداد نتایج: 22757 فیلتر نتایج به سال:
We explore the evolution of dominance at polymorphisms maintained either by overdominant selection or by migration-selection balance. At such balanced polymorphisms, heterozygotes remain at appreciable frequencies over long periods of time, allowing extensive modification of dominance to occur. The strength of selection favoring a modifier of dominance is roughly proportional to the probability...
Lysosomal acid lipase (LAL) gene mutations were identified in three patients with cholesteryl ester storage disease (CESD). Direct sequencing of genomic DNA revealed that: patient 1 was a compound heterozygote for a P181L mutation and an A to G3' splice site substitution that causes skipping of exon 7, with a loss of 49 amino acids from LAL (delta 205-253); patient 2 was a compound heterozygote...
Previous studies have suggested that macrophage migration inhibitory factor (MIF) -173G/C polymorphism may be associated with cancer risk. However, previous research has demonstrated conflicting results. Therefore, we followed the preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines and the meta-analysis on genetic association studies checklist, and performed a...
BACKGROUND Inflammation has a key role in migraine pathophysiology. Vitamin D is an effective anti-inflammatory agent. The aim of this study was to investigate the association between migraine and two vitamin D receptor (VDR) polymorphisms (TaqI and FokI) and also the relationship between VDR polymorphisms and headache severity. METHODS In this case-control study we assessed 103 patients with...
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