Proteins of demembraned mouse sperm heads. Characterization of a major sperm-unique component.
نویسندگان
چکیده
منابع مشابه
Major sperm protein
What is it? Major sperm protein, commonly referred to as MSP, is the centerpiece of the motility machinery that propels the crawling movement of nematode sperm. MSP was originally identified in Caenorhabditis elegans, but has since been found in sperm from several other species of nematode. The name derives from the abundance and cellular specificity of the 14 kDa protein: MSP makes up 15–20% o...
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Mammalian sperm are not able to fertilize immediately upon ejaculation; they become fertilization-competent after undergoing changes in the female reproductive tract collectively termed capacitation. Although it has been established that capacitation is associated with an increase in tyrosine phosphorylation, little is known about the role of this event in sperm function. In this work we used a...
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Background: Alteration in the protein signatures of functionally immature testicular spermatozoa occurs during their journey through the epididymis. This leads to acquisition of sperm domain specific functions essential for successful fertilization. Epididymal sperm proteins are preferred targets for immunocontraception as well as in elucidating the causes of infertility. The Background of the ...
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Purpose: The purpose of this study was to evaluated the effect of corn oil on mouse sperm count, motility, viability, quality of chromosome, testicular spermatid number per gram testis (TSN), anddaily sperm production (DSP). Materials and Methods: The protocol for corn oil adminstration was that male NMRI mice (the age groupe of 4weeks) received 100 and 150 ml corn oil orally for 14 days. The ...
متن کاملOAZ-t/OAZ3 Is Essential for Rigid Connection of Sperm Tails to Heads in Mouse
Polyamines are known to play important roles in the proliferation and differentiation of many types of cells. Although considerable amounts of polyamines are synthesized and stored in the testes, their roles remain unknown. Ornithine decarboxylase antizymes (OAZs) control the intracellular concentration of polyamines in a feedback manner. OAZ1 and OAZ2 are expressed ubiquitously, whereas OAZ-t/...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1985
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)89073-1