Results 231 to 240 of about 102,741 (261)

IQ motif family genes in male infertility: pathogenesis, mechanisms, and clinical perspectives. [PDF]

Front Reprod Health
Zhang P, Lu S, Qian H, Yin J, Peng H, Li H.   +5 more
europepmc   +1 more source

Impact of polystyrene microplastic exposure at low doses on male fertility: an experimental study in rats. [PDF]

Sci Rep
Alsenousy AHA, Khalaf AHY, Ibrahim HZ, Kamel MA, Yousef MI.   +4 more
europepmc   +1 more source

Androgens and spermatogenesis

Annales d'Endocrinologie, 2022
Male infertility contributes to 50% of all cases of infertility. The main cause is low quality and quantity of sperm. In humans, spermatogenesis starts at the beginning of puberty and lasts lifelong. It is under the control of FSH and testicular androgens, and mainly testosterone (T), and therefore requires a normal gonadotroph axis, intratesticular T ...
Sophie, Christin-Maitre, Jacques, Young
openaire   +3 more sources

Spermatogenesis

Methods in Molecular Biology, 2013
い . 演者 ら は 前 立腺癌患者精巣 を 用 い て FSH 受容体の 同定を試み,組織学的検査を 目的 と し た 生検術よ り得 られ る40〜60mg (wet tissue) の 少量組織 に て 最大結 合部位数〔Ka 〕の 測定が可能 で あ る こ と を証明 し た (第 72回 日本泌尿器科学会総会).また ,FSH 添加 に よ る down ・regulation や 温度環箋 に よ る 変化 な ど FSH 受 容体の 生物学的特性 に つ い て も検討を 加 え た ...
Kathleen Hwang, Alex Ridgeway, Dolores J. Lamb   +2 more
semanticscholar   +4 more sources

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Phthalate-induced testosterone/androgen receptor pathway disorder on spermatogenesis and antagonism of lycopene.

Journal of Hazardous Materials, 2022
Male infertility is an attracting growing concern owing to decline in sperm quality of men worldwide. Phthalates, in particular to di (2-ethylhexyl) phthalate (DEHP) or its main metabolite mono-2-ethylhexyl phthalate (MEHP), affect male reproductive ...
Yi Zhao, Xue-Nan Li, Hao Zhang, J. Cui, Jia-Xin Wang, Ming-Shan Chen, Jin-Long Li   +6 more
semanticscholar   +1 more source

Spermatogenesis

2012
During spermatogenesis, pluripotent germ cells differentiate to become efficient delivery vehicles to the oocyte of paternal DNA. Though male and female germ cells both undergo meiosis to produce haploid complements of DNA, at the same time they also each undergo distinct differentiation processes that result in either sperm or oocytes.
Diana S, Chu, Diane C, Shakes
openaire   +3 more sources

PHGPx and spermatogenesis

BioFactors, 2001
AbstractPHGPx of rat sperm mitochondrial capsule is cross‐linked and inactive. The enzyme is in part released in an active form by mercaptoethanol. Treatment with H2O2 of reduced and solubilised capsule proteins, in the absence of any added reductant, results in: i) H2O2 consumption which depends on the presence of both, PHGPx activity and protein ...
ROVERI, ANTONELLA, URSINI, FULVIO, L. FLOHE', MAIORINO, MATILDE   +3 more
openaire   +4 more sources

Mitochondria, spermatogenesis, and male infertility - an update.

Mitochondrion (Amsterdam. Print), 2020
The incorporation of mitochondria in the eukaryotic cell is one of the most enigmatic events in the course of evolution. This important organelle was thought to be only the powerhouse of the cell, but was later learnt to perform many other indispensable ...
Singh Vertika, Keshav K. Singh, S. Rajender   +2 more
semanticscholar   +1 more source

Deoxynivalenol induced spermatogenesis disorder by blood-testis barrier disruption associated with testosterone deficiency and inflammation in mice.

Environmental Pollution, 2020
Deoxynivalenol (DON) is an unavoidable cereal crops contaminants and environmental pollutants, which seriously threated the health of human and animal.
Zheng Cao, Wanyue Huang, Yiran Sun, Yanfei Li   +3 more
semanticscholar   +1 more source