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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1991-5-15
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pubmed:abstractText |
The inhibition of the proteolytic activity of acrosin in human spermatozoa by butyl p-hydroxybenzoate was assessed by the gelatin substrate film method. Compared with a typical acrosin inhibitor, TLCK, the inhibitory activity of butyl p-hydroxybenzoate to acrosin was much more effective (20 times) than that of TLCK, proving that butyl p-hydroxybenzoate was a potent acrosin inhibitor. The effect of butyl p-hydroxybenzoate on membrane function of human spermatozoa was evaluated using a sperm-tail hypoosmotic swelling test and supravital stain method. A good correlation (r = 0.92) was observed between the % spermatozoa with normal membrane function and the % live spermatozoa after treatment of the spermatozoa with butyl p-hydroxybenzoate for 1 min, indicating that the death of spermatozoa caused by butyl p-hydroxybenzoate is probably due to impairment of sperm membrane function. Both the inhibitory effect on acrosin and the adverse effect on membrane function suggest that butyl p-hydroxybenzoate could be developed as a new vaginal contraceptive.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Acrosin,
http://linkedlifedata.com/resource/pubmed/chemical/Parabens,
http://linkedlifedata.com/resource/pubmed/chemical/Protease Inhibitors,
http://linkedlifedata.com/resource/pubmed/chemical/Tosyllysine Chloromethyl Ketone,
http://linkedlifedata.com/resource/pubmed/chemical/butylparaben
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pubmed:status |
MEDLINE
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pubmed:month |
Mar
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pubmed:issn |
0022-4251
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
91
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
435-40
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:2013872-Acrosin,
pubmed-meshheading:2013872-Cell Membrane,
pubmed-meshheading:2013872-Humans,
pubmed-meshheading:2013872-Male,
pubmed-meshheading:2013872-Parabens,
pubmed-meshheading:2013872-Protease Inhibitors,
pubmed-meshheading:2013872-Sperm Motility,
pubmed-meshheading:2013872-Spermatozoa,
pubmed-meshheading:2013872-Tosyllysine Chloromethyl Ketone
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pubmed:year |
1991
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pubmed:articleTitle |
Evaluation of the effect of butyl p-hydroxybenzoate on the proteolytic activity and membrane function of human spermatozoa.
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pubmed:affiliation |
Family Planning Research Institute of Tianjin, P.R. China.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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