Dana Rogoff

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Tardigrades inhabiting terrestrial environments exhibit extraordinary resistance to ionizing radiation and UV radiation although little is known about the mechanisms underlying the resistance. We found that the terrestrial tardigrade Ramazzottius varieornatus is able to tolerate massive doses of UVC irradiation by both being protected from forming(More)
In the kidney, the 11beta-hydroxysteroid dehydrogenase type 2 enzyme (11betaHSD2) inactivates glucocorticoids to their inactive ketoforms and thus prevents endogenous glucocorticoids from occupying the nonselective mineralocorticoid receptor in epithelial tissues. Several mutations have been described in the 11betaHSD2 gene in the congenital syndrome of(More)
We have evaluated the metabolism of radiolabeled progesterone (P) by the microsomal fraction isolated from HaCaT keratinocytes. P was widely metabolized to different compounds that included DOC (5-7% conversion) thus demonstrated 21-hydroxylase (21-OHase) activity, a key step in adrenal synthesis of gluco- and mineralocorticoids. However, RT-PCR(More)
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