Results 31 to 40 of about 193,010 (206)

Single-cell analysis of developing and azoospermia human testicles reveals central role of Sertoli cells

Nature Communications, 2020
Non-obstructive azoospermia affects 1% of men. Here, authors perform single-cell transcriptomic analysis of human testicular cells from healthy donors and non-obstructive azoospermia patients and find that inhibition of Wnt signaling promotes the ...
LiangYu Zhao, ChenCheng Yao, XiaoYu Xing, Tao Jing, Peng Li, ZiJue Zhu, Chao Yang, Jing Zhai, RuHui Tian, HuiXing Chen, JiaQiang Luo, NaChuan Liu, ZhiWen Deng, XiaoHan Lin, Na Li, Jing Fang, Jie Sun, ChenChen Wang, Zhi Zhou, Zheng Li   +19 more
doaj   +1 more source

Management of the Infertile Male with Azoospermia

Düzce Tıp Fakültesi Dergisi, 2022
Azoospermia means the complete absence of spermatozoa upon examination of the semen. Azoospermia may result from a lack of spermatozoa production in the testicles, or from an inability of produced spermatozoa to reach the emitted semen.
Erdem Akbay, Mesut Tek
doaj   +1 more source

Exploratory Evaluation of Combined Hormonal Indices in Non-Obstructive Azoospermia: Diagnostic Performance and Prediction of TESE Success. [PDF]

J Clin Med
Background: The aim of this study was to evaluate the diagnostic performance of combined testicular function indices in patients with non-obstructive azoospermia and to investigate the clinical value of these indices in predicting the diagnosis of non ...
Aydın SM, Gumusburun N, Gurkan N, Yurtcu N, Calıskan CS, Yılmaz Z, Yılmaz MS.   +6 more
europepmc   +2 more sources

Obstructive azoospermia

Urologiya, 2020
В статье рассмотрен вопрос мужского бесплодия по причинам обструктивных азооспермий. Проведен обзор международных рекомендаций, проспективных и ретроспективных исследований, клинических наблюдений, обзоров в области эпидемиологии, этиологии, локализации патологических состояний, приводящих к обструкции семенных путей.
openaire   +3 more sources

Building families—Implementing balanced sexual and reproductive health

International Journal of Gynecology &Obstetrics, EarlyView.
Abstract One of the main initiatives of the World Health Organization (WHO) is the promotion of Sexual and Reproductive Health (SRH). Sexuality, infertility, and contraception are three interconnected pillars of SRH, each essential for achieving global equity in family planning and family building.
Peter Y. Liu, Edgar Mocanu, Linda Giudice, Marcos Horton, Meletios P. Nigdelis, Antti Perheentupa, Andrea Sansone, Giovanni Corona, Luca Gianaroli, Dimitrios G. Goulis   +9 more
wiley   +2 more sources

Sperm retrieval techniques in azoospermic patients: PESA, MESA, TESA, TESE and MICROTESE [PDF]

Einstein (São Paulo), 2009
Azoospermia is defined as the absence of mature spermatozoa in semen analysis after centrifugation. The causes of azoospermia may be related to spermatogenesis defects and classified as non-obstructive azoospermia, or to the obstruction of the efferent ...
Marcelo Vieira, Sidney Glina
doaj  

Testicular antispermatogenic antibodies in obstructive azoospermia [PDF]

Reproduction, 1976
Departments of Venereology, Clinical Pathology, and Obstetrics and Gynaecology, Al Hussein Hospital, Al Azhar University, Cairo, Egypt High titres of antisperm antibodies have been found in the sera of patients suffering from obstruction in the sperm passages (Shulman, 1971; Abdel Aal, El Atribi, Abdel Hafiz & Aidaros, 1975).
H, Abdel Aal, A, Abdel Hafiz, O, Kandil, H, El Tonsy   +3 more
openaire   +2 more sources

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

Frontiers 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, Yuanqiao Zhao, Zhixian Zhou, Mingming Zhang   +3 more
doaj   +1 more source

Cut-off Value of Testosterone and FSH Level In Patient With Azoospermia [PDF]

, 2016
Follicle-stimulating hormone(FSH) and Testosterone are important for spermatogenesis. Increased serum FSH and decreased testosterone are related to abnormal spermatogenesis.
Birowo, Ponco, Basukarno, Ari, Rasyid, Nur   +2 more
core   +1 more source

First reported deliveries in Ireland using surgically retrieved sperm for non-obstructive azoospermia

, 2010
Couples presenting with male factor infertility comprise an important proportion of clinical reproductive endocrinology consultations. Indeed, a problem with the male is the only cause, or a contributing cause, of infertility in ~40% of infertility ...
Yokota, T.T., Sills, E.S., A. P. H. Walsh, B. J. Jones, T. T. Yokota, G. D. Coull, D. J. Walsh, Walsh, D.J., Walsh, A.P.H., Coull, G.D., E. S. Sills, Jones, B.J.   +11 more
core   +1 more source