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Two trypsin isoforms (GT-A and GT-B) from the grass carp (Ctenopharyngodon idellus) intestine were isolated and purified. SDS-PAGE electrophoresis showed that GT-A and GT-B had relative molecular masses of 30,740 and 26,400, respectively. Enzyme activity was inhibited by three organic trypsin inhibitors but not by EDTA. They had optimal pH of 8.0 and 8.5,(More)
OBJECTIVE To investigate the relationship between insulin resistance and endogenous androgens at early and late phase of postmenopause. METHODS A total of 105 women with early postmenopause ( ≤ 5 years since menopause) and 107 women with late postmenopause ( ≥ 10 years since menopause) were enrolled in this study.In the mean time, those women were(More)
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