نتایج جستجو برای: severe oligozoospermia
تعداد نتایج: 327662 فیلتر نتایج به سال:
Intracytoplasmic sperm injection (ICSI) is a successful treatment option for severe male infertility, although the aetiology of the disorder remains unclear in most cases. Recently, microdeletions in the AZF region of the Y chromosome have been detected in men with azoospermia or severe oligozoospermia. In this study we investigated the prevalence of microdeletions in the AZF region of the Y ch...
BACKGROUND Oligozoospermia is one of the severe forms of idiopathic male infertility. However, its pathology is largely unknown, and few genetic factors have been defined. Our previous genome-wide association study (GWAS) has identified four risk loci for non-obstructive azoospermia (NOA). OBJECTIVE To investigate the potentially functional genetic variants (including not only common variants...
Introduction: Infertility is described as the inability to get pregnant after one year of unprotected intercourse. About half of infertility cases are because of male factors. Idiopathic azoospermia or severe oligozoospermia caused by genetic alterations is a significant part of male infertility. A key step of spermatogenesis is crossover events during meiotic reciprocal recombination. MLH3 pro...
Introduction: The CGA gene encodes alpha subunit of glycoprotein hormones that are involved in the fertility process. The aim of this study was to evaluate the relationship between glycoprotein hormones, alpha polypeptide (CGA) rs6631A> T gene polymorphism with the risk of men with azoospermia or severe oligozoospermia. Methods: This study was conducted in a case-control study on 200 bloo...
background: the androgen receptor (ar) gene contains a polymorphic trinucleotide repeat that encodes a polyglutamine tract in its n-terminal transactivation domain (ntad). we aimed to find a correlation between the length of this polymorphic tract and azoospermia or oligozoospermia in infertile men living in khuzestan, iran. materials and methods: in this case-control study during two years til...
Background The androgen receptor (AR) gene contains a polymorphic trinucleotide repeat that encodes a polyglutamine tract in its N-terminal transactivation domain (NTAD). We aimed to find a correlation between the length of this polymorphic tract and azoospermia or oligozoospermia in infertile men living in Khuzestan, Iran. MaterialsAndMethods In this case-control study during two years till 20...
BACKGROUND The androgen receptor (AR) gene contains a polymorphic trinucleotide repeat that encodes a polyglutamine tract in its N-terminal transactivation domain (N- TAD). We aimed to find a correlation between the length of this polymorphic tract and azoospermia or oligozoospermia in infertile men living in Khuzestan, Iran. MATERIALS AND METHODS In this case-control study during two years t...
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