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- aggregation classification "A1".
- aggregation creator B505571.
- aggregation creator B505572.
- aggregation creator B505573.
- aggregation creator person.
- aggregation creator person.
- aggregation date "2010".
- aggregation format "application/pdf".
- aggregation hasFormat 1001931.bibtex.
- aggregation hasFormat 1001931.csv.
- aggregation hasFormat 1001931.dc.
- aggregation hasFormat 1001931.didl.
- aggregation hasFormat 1001931.doc.
- aggregation hasFormat 1001931.json.
- aggregation hasFormat 1001931.mets.
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- aggregation hasFormat 1001931.rdf.
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- aggregation hasFormat 1001931.txt.
- aggregation hasFormat 1001931.xls.
- aggregation hasFormat 1001931.yaml.
- aggregation isPartOf urn:issn:0105-6263.
- aggregation language "eng".
- aggregation rights "I have transferred the copyright for this publication to the publisher".
- aggregation subject "Medicine and Health Sciences".
- aggregation title "Cholesterol and desmosterol in two sperm populations separated on Sil-Select gradient".
- aggregation abstract "P>Sperm lipids are important for sperm viability, maturity and function. This study aimed to identify cholesterol and desmosterol composition of human spermatozoa of two sperm populations separated on Sil-Select gradient. Forty-eight males were divided into four groups namely healthy men (n = 13), asthenozoospermia (n = 11), asthenoteratozoospermia (n = 10) and oligoasthenoteratozoospermia (n = 14). Sperm cholesterol and desmosterol were estimated in two human sperm population separated by centrifugation in a discontinuous Sil-Select gradient. The results showed that cholesterol and desmosterol were the major sterols in human spermatozoa. Spermatozoa recovered from upper/lower layer interface (fraction I) had low fertilization potential, while those from the base (fraction II) had high fertilization potential. Median values of cholesterol and desmosterol in fraction I were 2.55 mu mol and 0.77 mu mol/109 spermatozoa and in fraction II were 1.16 mu mol and 0.27 mu mol/109 spermatozoa. Cholesterol/desmosterol ratio was significantly higher in fraction II than I (4.8 vs. 3.2, p < 0.01). Cholesterol, desmosterol, total phospholipids and sterols/phospholipids were negatively correlated with sperm concentrations, sperm motility, linear velocity, normal sperm morphology and acrosome reaction percentage whereas cholesterol/desmosterol ratio was positively correlated with these parameters. It is concluded that the difference in sterol composition of sperm subpopulations separated on Sil-Select gradient suggests that composition of sterols is related to sperm functions.".
- aggregation authorList BK847953.
- aggregation endPage "535".
- aggregation issue "3".
- aggregation startPage "528".
- aggregation volume "33".
- aggregation aggregates 1045160.
- aggregation isDescribedBy 1001931.
- aggregation similarTo j.1365-2605.2009.00961.x.
- aggregation similarTo LU-1001931.