期刊
RESEARCH IN VETERINARY SCIENCE
卷 91, 期 2, 页码 281-284出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.rvsc.2011.01.002
关键词
Pentoxifylline; Dog; Spermatozoa; Acrosome status; Motility; Capacitation
资金
- Applied Research Centre, Vice Chancellor for Research of Shahrekord University
To evaluate effects of different concentrations of pentoxifylline, as phosphodiesterase inhibitor, on quality of motility, capacitation and acrosome reaction, Ejaculated spermatozoa were collected from crossbred dogs. The sperm were incubated at concentrations of 0.1, 1, 10 and 100 mM pentoxifylline for 2 h. Conventional assessment was also made on the percentage of motility and quality of motility of spermatozoa; values were expressed as sperm motility index (SMI). Capacitation and acrosome reaction were also evaluated by chlortetracycline fluorescence staining. SMI as quality index of sperm was significantly increased in concentrations of 10 and 100 mM pentoxifylline during 1 and 2 h compared to control. The number of capacitated or acrosome reacted spermatozoa significantly (P < 0.05) were higher than controls at high concentrations of pentoxifylline (10 and 100 mM) during 1 and 2 h. In conclusion, high concentration of pentoxifylline is able to induce capacitation and acrosome reaction and improves quality of motility in canine ejaculated spermatozoa. (C) 2011 Elsevier Ltd. All rights reserved.
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