Spermatogenesis is a highly specialized differentiation process driven by a dynamic gene
expression program and ending with the production of mature spermatozoa. Whereas …

Spermatogenesis is a highly coordinated and complex process, and is pivotal for
transmitting genetic information between mammalian generations. In this study, we …

Purpose This study assessed the outcomes of microsurgical testicular sperm extraction
(mTESE) and potential preoperative predictors of sperm retrieval (SR) in patients with non …

(1) Background: Infertility refers to the failure to achieve a pregnancy after 12 months or
more of regular unprotected sexual intercourse. Infertility is an important medical and social …

Background: Granulosa cells (GCs) play key roles in oocyte maturation by providing
required estradiol (E2). Since the presence of immature oocytes has been reported in cases …

It is known that an altered redox balance interferes with normal spermatic functions.
Exposure to genotoxic substances capable of producing oxidative stress (OS) can cause …

Background. Infertility is a global medical and social problem that affects human health and
social development. At present, about 15% of couples of the right age in the world are …

Asprosin, a protein-based secretary product of white adipose tissue, stimulates appetite
hepatic glucose production. It crosses blood-brain barrier and stimulates appetite center and …

Several studies provide strong evidence suggesting that in addition to central
kisspeptin/KISS1R signaling, the peripheral uterine-and placental-based kisspeptin/KISS1R …

Objective. The probable relationship between serum vitamin D levels and male fertility is
being increasingly investigated; however, the findings have been controversial. This review …