Steroid hormone binding to receptor

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Because non-genomic pathways include any mechanism that is not a genomic effect, there are various non-genomic pathways. However, all of these pathways are mediated by some type of steroid hormone receptor found at the plasma membrane. [13] Ion channels, transporters, G-protein coupled receptors (GPCR), and membrane fluidity have all been shown to be affected by steroid hormones. [9] Of these, GPCR linked proteins are the most more information on these proteins and pathways, visit the steroid hormone receptor page.

Denatured TBG does not bind iodothyronines but can be detected with antibodies that recognize the primary structure of the molecule (23).  In euthyroid adults with normal TBG concentration, about one-third of the molecules carry thyroid hormone, mainly T4.  When fully saturated, it carries about 20 µg of T4/dl of serum.  The biologic half-life is about 5 days, and the volume of distribution is similar to that of albumin (34,35) (Table 1).  TBG is cleared by the liver.  Loss of sialic acid accelerates its removal through interaction with the asialo-glycoprotein receptors reducing the half live by 500-fold (21).  However, it is unknown whether desialylation is a required in the normal pathway of TBG metabolism.

Steroid hormone binding to receptor

steroid hormone binding to receptor


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