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Apoptosis in spermatozoa of infertile men, clinical correlations

Bandiera, Pasquale and Moro, Maria Antonietta Serafina and Sotgiu, Maria Alessandra and Fogu, Giuseppa and Montella, Andrea Costantino Mario (2007) Apoptosis in spermatozoa of infertile men, clinical correlations. In: 32nd National congress of the italian society of histochemistry: proceedings, May 31 – June 2, 2007, Messina, Italy. Pavia, PAGEPress. Vol. 51 (suppl. 2). p. 13-14. ISSN 1121-760X. eISSN 2038-8306. Conference or Workshop Item.

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The methods for evaluation of male infertility include not only routine investigations, standardized by the WHO, but also complementary techniques, developed over the last years, in order to improve the predictive value of seminal analysis for natural conception and assisted reproduction. With reference to these new methods, studies suggest that sperm with certain levels of DNA fragmentation serve as a strong predictor of reduced male fertility. We studied subjects who underwent seminal fluid evaluation, because of an infertility condition, at the Department of Biomedical Sciences of the University of Sassari.The samples collected by masturbation were evaluated according to the World Health Organisation (1999).The samples was washed twice in PBS and cytocentrifuged for 10 min at 1800 rpm on polylysine-coated slides that were fixed in methanol at room temperature. The apoptosis was evaluated using the TUNEL (In Situ Cell Death Detection Kit, Fluorescein, Roche, Cat.No. 1 684 795). At fluorescent miscroscopy are counted at least 300 cells. Quantitative evaluation of apoptosis by the TUNEL method confirmed that apoptosis did not seem to be correlated with sperm concentration or morphology; however, we found a higher apoptotic rate in semen from patients affected by andrologic diseases, such as varicocele, than from those with alteration of semen characteristics. Apoptosis analysis might be used in infertile patients in order to understand the etiology of unexplained infertility and to improve therapeutic effectiveness.

Item Type:Conference or Workshop Item (Paper)
ID Code:4553
Uncontrolled Keywords:Apoptosis, male infertility, spermatozoa, TUNEL method
Subjects:Area 05 - Scienze biologiche > BIO/16 Anatomia umana
Area 05 - Scienze biologiche > BIO/18 Genetica
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze biomediche
Copyright Holders:© Società Italiana di Istochimica
Deposited On:29 Sep 2010 11:45

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