• A H Bandivdekar

      Articles written in Journal of Biosciences

    • Isolation of inhibin like peptides from human placenta

      A H Bandivdekar S B Moodbidri A R Sheth

      More Details Abstract Fulltext PDF

      Two moieties of inhibin could be obtained by chromatography of partially purified preparations of inhibin from human placenta on Sephadex G-100, G-25 and ion exchange chromatography on diethylaminoethyl Sephadex A-50. The higher molecular weight moiety (14,000) designated as HPI-H appears to be similar to inhibin from human seminal plasma. While the lower molecular weight moiety (1500) designated as HPI-L appears to be similar to that of sheep testicular inhibin.

      The preparations from both human term placenta and human seminal plasma inhibited the binding of [125I] human follicle stimulating hormone to rat testicular receptors. This effect of inhibins could be neutralized by antisera raised against corresponding polypeptide. Further these antibodies could neutralize endogenous inhibin resulting in 2 to 3 fold increase in serum follicle stimulating harmone levels, which could then be reversed by exogenous administration of the isolated inhibin preparations.

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