نتایج جستجو برای: gene defect
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Reduced sperm quantity and motility are primary causes of infertility in men. Before researchers showed that, Nsun7 gene has roles in sperm motility of mouse, that creation defect in this gene is cause infertility. This gene in human located in chromosome 4, with 12 exons and a hot spot exon (exon7). Our aim is study of the mutations of the exon7 in the normospermic and asthenoteratospermic men...
A lipoprotein lipase (LpL) gene defect has been identified, a G----A transition at nucleotide position 446 of exon 3, resulting in a premature termination codon (Trp----stop) at amino acid residue 64. This defect was identified in a Type I hyperlipoproteinemic subject with an amino acid residue 194 defect in the other allele. Plasma lipoprotein values as well as LpL mass and activity in posthep...
a one-month-old male terrier dog was referred in shock status with a history of anorexia, tachypnea, abdominal distention and progressive weight loss. auscultation of right side of the lungs found enhanced respiratory noises. the thorough auscultation of the opposite side of the chest revealed the presence of typical intestinal sounds. cardiac auscultation revealed muffled heart sounds and a di...
Successful zygote formation during yeast mating requires cell fusion of the two haploid mating partners. To ensure that cells do not lyse as they remodel their cell wall, the fusion event is both temporally and spatially regulated: the cell wall is degraded only after cell-cell contact and only in the region of cell-cell contact. To understand how cell fusion is regulated, we identified mutants...
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