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pubmed-article:2497807pubmed:abstractTextWe have used dansyl chloride (5-dimethylamino-1-naphthalenesulfonyl choloride) to form dansyl derivatives of amine-containing compounds in follicular fluid or highly purified fractions containing a low molecular weight (MW) inhibitor of follicle-stimulating hormone (FSH) binding to receptor (FSH-BI). This approach allowed sensitive detection of the derivatives based on their fluorescent properties. By taking advantage of the hydrophobic nature of the dansyl group, a dansyl derivative (RF = 0.15) identified in low MW FSH-BI preparations was purified from porcine follicular fluid. Based on chromatographic criteria using four different systems (thin-layer chromatography [TLC] and high performance liquid chromatography), the derivatized factor (D15) that was purified appeared to be homogeneous. A direct, chemical assay was developed for quantification of D15 from follicular fluid or tissue extracts. The highest concentration (153 ng/mg) of D15 was found in ovarian tissue of adult rats, lesser amounts were observed in kidney and liver tissues (93 and 62 ng/mg, respectively) and even less in diaphram and heart tissues (5 and 0.5 ng/mg, respectively). High concentrations of D15 were observed in derivatized extracts of tests from immature rats in which approximately twice as much D15 was found in Leydig cells (241 ng/mg) as in seminiferous tubules (136 ng/mg). In porcine ovarian tissue, granulosa cells from large follicles and corpora lutea (69 and 91 ng/mg, respectively) contained at least 4-fold higher concentrations than follicle wall tissue (14 ng/ml). Relative concentrations of D15 material were also determined in pools of bovine follicular fluid previously shown to contain low MW FSH-BI.(ABSTRACT TRUNCATED AT 250 WORDS)lld:pubmed
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pubmed-article:2497807pubmed:authorpubmed-author:SlussP MPMlld:pubmed
pubmed-article:2497807pubmed:authorpubmed-author:KrishnanK AKAlld:pubmed
pubmed-article:2497807pubmed:authorpubmed-author:BrancaA AAAlld:pubmed
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pubmed-article:2497807pubmed:pagination407-15lld:pubmed
pubmed-article:2497807pubmed:dateRevised2007-11-14lld:pubmed
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pubmed-article:2497807pubmed:year1989lld:pubmed
pubmed-article:2497807pubmed:articleTitlePurification, measurement, and tissue distribution of a dansyl-derivatized glycopeptide from low-molecular weight follicle-stimulating hormone-inhibitor-containing fractions of porcine follicular fluid.lld:pubmed
pubmed-article:2497807pubmed:affiliationDepartment of Biochemistry, Albany Medical College, New York 12208.lld:pubmed
pubmed-article:2497807pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:2497807pubmed:publicationTypeResearch Support, U.S. Gov't, P.H.S.lld:pubmed
pubmed-article:2497807pubmed:publicationTypeResearch Support, U.S. Gov't, Non-P.H.S.lld:pubmed
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