Results 71 to 80 of about 54,369 (287)

Surgical recovery of sperm in non-obstructive azoospermia [PDF]

Asian Journal of Andrology, 2011
The development of intracytoplasmic sperm injection (ICSI) opened a new era in the field of assisted reproduction and revolutionized the assisted reproductive technology protocols for couples with male factor infertility. Fertilisation and pregnancies can be achieved with spermatozoa recovered not only from the ejaculate but also from the seminiferous ...
openaire   +2 more sources

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

Nonobstruktif azospermi olgularında yeni yaklaşımlar [PDF]

, 2019
Azospermi semende hiç sperm bulunamaması durumudur. Obstrüktif ve nonobstrüktif olmak üzere iki kategoriye ayrılır. Azospermi tanısı alan hastalardan elde edilen spermatozoayla, ilk gebelik ICSI (intrasitoplazmik sperm enjeksiyonu) işlemiyle 1993 ...
Özer, Mehmet Caner, Ünal, Murat Serkant   +1 more
core   +1 more source

Heat Sensing Receptor TRPV1 Is a Mediator of Thermotaxis in Human Spermatozoa [PDF]

, 2016
The molecular bases of sperm thermotaxis, the temperature-oriented cell motility, are currently under investigation. Thermal perception relies on a subclass of the transient receptor potential [TRP] channels, whose member TRPV1 is acknowledged as the ...
\u160abovi\u107, I, DE TONI, Luca, DI NISIO, Andrea, Filippi, Andrea, Foresta, Carlo, Garolla, Andrea, Magagna, S, Menegazzo, M, Rocca, MARIA SANTA, Scattolini, Valentina   +9 more
core   +8 more sources

Identification of ITPR1 gene as a novel target for hsa-miR-34b-5p in non-obstructive azoospermia: a Ca2+/apoptosis pathway cross-talk

Scientific Reports, 2023
MiR-34b-5p has been reported as a non-invasive diagnostic biomarker for infertility. However, no gene targets regulating the mechanism of cation of this miRNA are known.
Bahareh Maleki, Parastoo Modarres, Peyman Salehi, Sadeq Vallian   +3 more
semanticscholar   +1 more source

Search and identification of spermatozoa and spermatids in the ejaculate of non-obstructive azoospermic patients [PDF]

, 2005
OBJECTIVE: To search and to identify spermatozoa and spermatids, present in the ejaculate of non-obstructive azoospermic patients. MATERIALS AND METHODS: 27 patients, aged between 18 and 48 years, with initial diagnosis compatible with non-obstructive ...
Buttignol, Marcia H.p. [UNIFESP], Cedenho, Agnaldo Pereira [UNIFESP], Fraietta, Renato [UNIFESP], Ortiz, Valdemar [UNIFESP], Spaine, Deborah M. [UNIFESP], Srougi, Miguel [UNIFESP], Timm Jr, Odival [UNIFESP]   +6 more
core   +3 more sources

Sperm retrieval techniques for assisted reproduction

International Brazilian Journal of Urology, 2011
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.
Sandro C. Esteves, Ricardo Miyaoka, Ashok Agarwal   +2 more
doaj   +1 more source

Familial DMRT1-related non-obstructive azoospermia: a case report. [PDF]

J Assist Reprod Genet
Abstract   Purpose To report an exceptional case of male-to-male transmission of genetically based non-obstructive azoospermia (NOA) and varicocele through a naturally obtained pregnancy. Subjects and methods A father and his son were both diagnosed with NOA after ...
Severi G, Ambrosini E, Caramanna L, Monti L, Magini P, Innella G.   +5 more
europepmc   +3 more sources

Microdissection testicular sperm extraction causes spermatogenic alterations in the contralateral testis [PDF]

, 2010
Testicular sperm extraction (TESE) associated with intracytoplasmic sperm injection has allowed many men presenting non-obstructive azoospermia to achieve fatherhood.
Azeredo-Oliveira, Maria Tercilia Vilela de, Cedenho, Agnaldo Pereira, Oliveira Filho, Antonio Barbosa, Peruquetti, Rita Luiza, Souza, Rosana Silistino de   +4 more
core   +1 more source

Value of Serum Inhibin B as a Prognostic Factor in Patients with Non-obstructive Azoospermia [PDF]

, 2023
Background: Non-obstructive Azoospermia (NOA) mean absence of sperm in the ejaculate due to testicular failure. The sole treatment till now for them is testicular sperm retrieval and ICSI.
Abdulkadim, Hind, Abo-Alshaar, Ali A., Ahmed, Raghad Hussein, Mejbel, Walaa Saeb   +3 more
core   +2 more sources