Results 51 to 60 of about 8,465 (222)
Andrology, EarlyView.ABSTRACT Background Testicular germ cell cancer (TGCC) is the most frequent malignancy in young men of reproductive age. According to guidelines, semen cryopreservation should be performed prior to orchiectomy. Lack of time and local facilities as well as mental pressure are challenges in terms of fertility preservation before surgery.
Yuhe Tang +4 more
wiley +1 more source
Current Issues in Molecular BiologyAzoospermia and severe oligozoospermia represent the most extreme forms of male infertility. Despite their prevalence, the genetic foundations of these conditions are not well understood, with only a limited number of genetic factors identified so far ...
Alexia Chatziparasidou +4 more
doaj +1 more source
Methylation Status of Imprinted Genes and Repetitive Elements in Sperm DNA from Infertile Males [PDF]
, 2011 Stochastic, environmentally and/or genetically induced disturbances in the genome-wide epigenetic reprogramming processes during male germ-cell development may contribute to male infertility.
El Hajj, N. +7 more
core +1 more source
Andrology, EarlyView.ABSTRACT Background Oligoasthenozoospermia is a leading cause of male infertility and has been increasingly associated with the global surge in obesity and exposure to reproductive toxicants. Despite extensive research on each factor individually, their combined pathological effects remain poorly understood.
Yunlong Yao +12 more
wiley +1 more source
Ekspresi Gen Family Bcl-2 dan Ekspresi Gen Protein Kanal Ion Vdac1 pada Oligozoospermia
Jurnal Kesehatan Andalas, 2014 AbstrakSalah satu bentuk infertilitas pada pria adalah jumlah spermatozoa yang kurang dari normal (Oligozoospermia). Berbagai mekanisme diduga berperan dalam terjadinya oligozoospermia, mulai dari faktor fisik, stress, makanan dan molekuler.
Arni Amir
doaj
Efficacy and tolerance of tamoxifen in the treatment of idiopathic oligozoospermia
Xin yixueObjective To evaluate the efficacy and tolerance of tamoxifen (TAM) in the treatment of idiopathic oligozoospermia. Methods Clinical data of 123 patients diagnosed with idiopathic oligozoospermia in Department of Sterility and Sexual Medicine of the ...
Zhuojie LIU, Yan ZHANG, Hao ZHANG
doaj +1 more source
Genetic and epigenetic factors: Role in male infertility
Indian Journal of Urology, 2011 Genetic factors contribute upto 15%-30% cases of male infertility. Formation of spermatozoa occurs in a sequential manner with mitotic, meiotic, and postmeiotic differentiation phases each of which is controlled by an intricate genetic program.
M B Shamsi, K Kumar, R Dada
doaj +1 more source
BMC Pregnancy and Childbirth, 2022 Background Permanent progression of paternal age and development of reproductive medicine lead to increase in number of children conceived with assisted reproductive techniques (ART).
Lidiia Zhytnik +13 more
doaj +1 more source
Sperm retrieval rate and pregnancy rate in infertile couples undergoing in-vitro fertilisation and testicular sperm extraction for non-obstructive azoospermia in Hong Kong [PDF]
, 2016 published_or_final_versio
Chai, J +9 more
core +1 more source
Semen Cryopreservation in Testicular Cancer: Before or After Orchidectomy?
Andrology, EarlyView.ABSTRACT Background Fertility preservation in patients with testicular cancer remains a clinical priority, yet the optimal timing for sperm cryopreservation—before or after orchidectomy—remains a matter of debate. Objectives The aim of this study was to determine the optimal timing for semen cryopreservation and the best‐quality sample for ART.
Alessandra Buonacquisto +12 more
wiley +1 more source