نتایج جستجو برای: teratozoospermia

تعداد نتایج: 538  

Journal: :Biology of reproduction 2009
Frantisek Liska Claudia Gosele Eugene Rivkin Laura Tres M Cristina Cardoso Petra Domaing Eliska Krejcí Pavel Snajdr Min Ae Lee-Kirsch Dirk G de Rooij Vladimír Kren Drahomíra Krenová Abraham L Kierszenbaum Norbert Hubner

The hypodactylous (hd) locus impairs limb development and spermatogenesis, leading to male infertility in rats. We show that the hd mutation is caused by an insertion of an endogenous retrovirus into intron 10 of the Cntrob gene. The retroviral insertion in hd mutant rats disrupts the normal splicing of Cntrob transcripts and results in the expression of a truncated protein. During the final ph...

2016
H. Asare-Anane S. B. Bannison Emmanuel K. Ofori R. O. Ateko A. T. Bawah S. D. Amanquah S. Y. Oppong B. B. N. Gandau J. B. Ziem

BACKGROUND Tobacco smoking is a public health issue and has been implicated in adverse reproductive outcomes including semen quality. Available data however provides conflicting findings. The objective of this study was to evaluate the effect of tobacco smoking on semen quality among men in Ghana. METHODS In this study, a total of 140 subjects were recruited, comprising 95 smokers and 45 non-...

Journal: :Fertility and sterility 2009
Conrado Avendaño Anahí Franchi Steven Taylor Mahmood Morshedi Silvina Bocca Sergio Oehninger

OBJECTIVE To evaluate DNA fragmentation in spermatozoa with normal morphological appearance. DESIGN Prospective study. SETTING Academic tertiary center. PATIENT(S) Fertile, subfertile, and infertile men were studied. INTERVENTION(S) Terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate-fluorescein nick-end labeling assay and morphology assessment by phase contrast in ...

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