نتایج جستجو برای: testicular germ cell
تعداد نتایج: 1710557 فیلتر نتایج به سال:
The identification and characterization of germ cell-specific genes are essential if we hope to comprehensively understand the mechanisms of spermatogenesis and fertilization. Here, we searched the mouse UniGene databases and identified 13 novel genes as being putatively testis-specific or -predominant. Our in silico and in vitro analyses revealed that the expressions of these genes are testis-...
Primary testicular failure (PTF) or hypergonadotropic hypogonadism refers to conditions where testes fail to produce sperm despite adequate hormonal support. Primary testicular failure is major cause of non-obstructive azoospermia and oligospermia. It affects approximately 1% of all men and 10% of those seeking fertility evaluations [1]. Non-obstructive azoospermia i.e. defect in spermatogenesi...
The aim of the present study is to investigate gene expression involved in the signal pathway of MAPK and death signal receptor pathway of FAS in lead-induced apoptosis of testicular germ cells. First, cell viabilities were determined by MTT assay. Second, using single cell gel-electrophoresis test (comet assay) and TUNEL staining technique, apoptotic rate and cell apoptosis localization of tes...
Galectin-3, a beta-galactoside-binding lectin, has been implicated in many human malignancies, but has seldom been studied in human gonads and gonadal tumors. The aim of our study was to investigate galectin-3 mRNA and protein expression in normal ovaries and testes as well as in a variety of 51 gonadal sex cord stromal and germ cell tumors, and two testicular seminomatous and non-seminomatous ...
The influence of exogenous glucocorticoid, dexamethasone (Dex), on testicular germ cell apoptosis was investigated in rats. The percentages of apoptotic tubules and apoptotic germ cells in the Dex-treated group of rats were about seven-fold and 10-fold higher respectively than in either the control group, or in rats treated with glucocorticoid receptor agonist (GR-A), or in rats treated with bo...
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