نتایج جستجو برای: severe oligozoospermia

تعداد نتایج: 327662  

Journal: :Human reproduction 1997
J A Kremer J H Tuerlings E J Meuleman F Schoute E Mariman D F Smeets L H Hoefsloot D D Braat H M Merkus

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...

2013
Miaofei Xu Yufeng Qin Jianhua Qu Chuncheng Lu Ying Wang Wei Wu Ling Song Shoulin Wang Feng Chen Hongbing Shen Jiahao Sha Zhibin Hu Yankai Xia Xinru Wang

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...

جهانی نژآد, طاهره, زعیمی, محمدعلی, شیخها, محمد حسن, پاشایی فر, حسین, کلانتر, سید مهدی ,

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...

Journal: :Reproductive Medicine and Biology 2012

ژورنال: مجله علمی پژوهان 2019

 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...

Journal: :international journal of fertility and sterility 0
saeid reza khatami hamid galehdari abdorrahman rasekh hayat mombeini elham konar

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...

Abdorrahman Rasekh Elham Konar Hamid Galehdari Hayat Mombeini Saeid Reza Khatami,

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...

2015
Saeid Reza Khatami Hamid Galehdari Abdorrahman Rasekh Hayat Mombeini Elham Konar

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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