Results 1 to 10 of about 28,616 (239)

Predictive factors of c-TESE success in eastern algerian patients with non-obstructive azoospermia: role of histology, hormones, and testicular volume [PDF]

open access: yesBasic and Clinical Andrology
Background Non-obstructive azoospermia is the most severe and common form, representing 10–15% of infertile men. For these patients, testicular sperm extraction followed by intracytoplasmic sperm injection offer the only viable fertility option. However,
Besma Hibat allah Nourine   +4 more
doaj   +2 more sources

Сondition of urogenital tract microbiotes and pro- and antioxidant system in male azoospermia

open access: yesRegulatory Mechanisms in Biosystems, 2021
Over the past 20 years, there has been a clear trend to increase in the number of infertile men in Ukraine, their percentage reaches 50% in infertile couples. There is a significant percentage of male infertility caused by azoospermia – the lack of sperm
M. Z. Vorobets   +5 more
doaj   +1 more source

The significance of karyotyping and azoospermia factor analysis in patients with nonobstructive azoospermia or oligozoospermia

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2022
Objective: We present our study about the significance of karyotyping and azoospermia factor(AZF) analysis in patients with azoospermia or oligozoospermia.
Shin-Wen Chen   +4 more
doaj   +1 more source

Testicular expression of TDRD1, TDRD5, TDRD9 and TDRD12 in azoospermia. [PDF]

open access: yes, 2020
BACKGROUND: Tudor domain-containing proteins (TDRDs) play a critical role in piRNA biogenesis and germ cell development. piRNAs, small regulatory RNAs, act by silencing of transposons during germline development and it has recently been shown in animal ...
Aghaei, M   +9 more
core   +1 more source

Integrative bioinformatics analysis to identify novel biomarkers associated with non-obstructive azoospermia

open access: yesFrontiers in Immunology, 2023
AimThis study aimed to identify autophagy-related genes (ARGs) associated with non-obstructive azoospermia and explore the underlying molecular mechanisms.MethodsTwo datasets associated with azoospermia were downloaded from the Gene Expression Omnibus ...
Yucheng Zhong   +10 more
doaj   +1 more source

Machine learning and integrative analysis identify the common pathogenesis of azoospermia complicated with COVID-19

open access: yesFrontiers in Immunology, 2023
BackgroundAlthough more recent evidence has indicated COVID-19 is prone to azoospermia, the common molecular mechanism of its occurrence remains to be elucidated.
Jiarong He   +3 more
doaj   +1 more source

Loss of Cx43 in Murine Sertoli Cells Leads to Altered Prepubertal Sertoli Cell Maturation and Impairment of the Mitosis-Meiosis Switch. [PDF]

open access: yes, 2020
Male factor infertility is a problem in today's society but many underlying causes are still unknown. The generation of a conditional Sertoli cell (SC)-specific connexin 43 (Cx43) knockout mouse line (SCCx43KO) has provided a translational model ...
Behr, Rüdiger   +10 more
core   +1 more source

INSIDENSI AZOOSPERMIA DI KLINIK ANDROLOGI RSUD DR. SOETOMO PERIODE JANUARI 2016 – DESEMBER 2016

open access: yesJKS (Jurnal Kedokteran Syiah Kuala), 2018
Abstrak.Latar Belakang: Azoospermia merupakan salah satu penyebab terjadinya infertilitas pada pria. Azoospermia adalah suatu kondisi medis yang ditandai dengan tidak adanya spermatozoa dalam semen.Secara umum, azoospermia dapat dibagi ke dalam dua ...
Henry Timothy Christian
doaj   +1 more source

A novel stepwise micro-TESE approach in non obstructive azoospermia [PDF]

open access: yes, 2016
Background: The purpose of the study was to investigate whether micro-TESE can improve sperm retrieval rate (SRR) compared to conventional single TESE biopsy on the same testicle or to contralateral multiple TESE, by employing a novel stepwise micro ...
Casciani, V   +9 more
core   +2 more sources

Testicular ultrasound examination and hemodynamics of patients with azoospermia

open access: yesRegulatory Mechanisms in Biosystems, 2022
The most difficult form of male infertility to treat is azoospermia. Azoospermia is defined as the complete absence of spermatozoa in the ejaculate. The age of the patients who underwent clinical and diagnostic studies varied between 22 and 45 years ...
M. Z. Vorobets   +5 more
doaj   +1 more source

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