نتایج جستجو برای: nonobstructive azoospermia

تعداد نتایج: 2977  

2014
Trpimir Goluža Alexander Boscanin Jessica Cvetko Viviana Kozina Marin Kosović Maja Marija Bernat Miro Kasum Zeljko Kaštelan Davor Ježek

A number of studies have indicated that testicular macrophages play an important role in regulating steroidogenesis of Leydig cells and maintain homeostasis within the testis. The current paper deals with macrophages (CD68 positive cells) and Leydig cells in patients with nonobstructive azoospermia (NOA). Methods employed included histological analysis on semi- and ultrathin sections, immunohis...

Journal: :International braz j urol : official journal of the Brazilian Society of Urology 2011
Sandro C Esteves Ricardo Miyaoka Ashok Agarwal

Different surgical methods such as PESA, MESA, TESA, TESE and micro-TESE have been developed to retrieve spermatozoa from either the epididymis or the testis according to the type of azoospermia, i.e., obstructive or non-obstructive. Laboratory techniques are used to remove contaminants, cellular debris, and red blood cells following collection of the epididymal fluid or testicular tissue. Surg...

2017
Shalaka S Ramgir Nishu Sekar Divya Jindam. Abilash V.G.

Background Infertility is the inability of a couple to conceive after one and a half years of unprotected sex. Male infertility, which accounts for almost half of infertility cases, is considered as a major problem all over the world. The aim of this study was to investigate the association of CYP1A1 polymorphisms with idiopathic non-obstructive azoospermia in a South Indian cohort. MATERIALS...

2017
Toshinobu Miyamoto Gaku Minase Takeshi Shin Hiroto Ueda Hiroshi Okada Kazuo Sengoku

Background Infertility affects about 15% of couples who wish to have children and half of these cases are associated with male factors. Genetic causes of azoospermia include chromosomal abnormalities, Y chromosome microdeletions, and specific mutations/deletions of several Y chromosome genes. Many researchers have analyzed genes in the AZF region on the Y chromosome; however, in 2003 the SYCP3 ...

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