Neera Sunak

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This study investigated cortisol inactivation by 11beta-hydroxysteroid dehydrogenase (11beta HSD) enzymes in porcine granulosa cells from antral follicles at different developmental stages and in ovarian cysts. In granulosa cells, cortisol oxidation increased threefold with antral follicle diameter (P < 0.001). This trend was paralleled by a threefold(More)
Recent reports have shown that glucocorticoids can modulate oocyte maturation in both teleost fish and mammals. Within potential target cells, the actions of physiological glucocorticoids are modulated by 11beta-hydroxysteroid dehydrogenase (HSD11B) isoenzymes that catalyse the interconversion of cortisol and cortisone. Hence, the objective of this study(More)
The first aim of the research conducted as part of this thesis was to investigate the expression and activities of 11PHSD enzymes in porcine mural granulosa cells and COCs from small, medium and large antral follicles, as well as from ovarian cysts. Both cloned lipHSD enzymes (11 PHSD 1 and 11PHSD2) were expressed in porcine granulosa cells however the(More)
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