Identification of acrosin in mouse spermatozoa
نویسندگان
چکیده
منابع مشابه
Demonstration of acrosin in mouse spermatozoa.
Gelatinolytic activity of whole mouse spermatozoa was demonstrated by the gelatin film test. The presence of a trypsin-like protease (acrosin) in acidic extracts of mouse spermatozoa was shown by an electrophoretic method to separate the enzyme from a putative inhibitor.
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AIM To study the association between seminal oxidative stress and human sperm acrosin activity. METHODS It is a prospective study consisting of 30 infertile men and 12 fertile normozoospermic volunteers. A full history, clinical examination and scrotal ultrasound were done to exclude other related factors such as smoking and varicocele. Presence of white blood cells (WBCs) in semen samples wa...
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Mammalian sperm acrosomes contain a trypsin-like protease called acrosin which causes limited and specific hydrolysis of the extracellular matrix of the mammalian egg, the zona pellucida. Acrosin was localized on hamster, guinea-pig and human sperm using monoclonal and polyclonal antibodies to human acrosin labelled with colloidal gold. This was visualized directly with transmission electron mi...
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Immunocytochemical localization of acrosin in the anterior segment of the acrosomes of ram , boar and bull spermatozoa
Acrosin, a trypsin-like proteinase found in spermatozoa, is believed to play an essential role in fertilization by aiding the spermatozoon to penetrate the zona pellucida surrounding the egg (Mc Rorie and Williams, 1974). The precise cellular location of this enzyme is of considerable interest since such knowledge would aid in elucidating its mode of action. Biochemical studies have indicated t...
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ژورنال
عنوان ژورنال: Reproduction
سال: 1976
ISSN: 1470-1626,1741-7899
DOI: 10.1530/jrf.0.0460249