Corticosterone

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CORTICOSTERONE Pubchem(5753)

An adrenocortical steroid that has modest but significant activities as a mineralocorticoid and a glucocorticoid. (From Goodman and Gilman's The Pharmacological Basis of Therapeutics, 8th ed, p1437).Corticosterone is a 21 carbon steroid hormone of the corticosteroid type produced in the cortex of the adrenal glands.

KEGG Pathway(C02140)

  • C21-Steroid hormone metabolism
List of PDB files having Corticosterone as a Ligand:
MMDB ID PDB ID Reference
33346 1Y5R Zhang J, Osslund TD, Plant MH, Clogston CL, Nybo RE, Xiong F, Delaney JM, Jordan SRCrystal structure of murine 11 beta-hydroxysteroid dehydrogenase 1: an important therapeutic target for diabetesBiochemistry v44, p.6948-6957
Physiochemical properties of Corticosterone:
Physical Property Value Units Temp (deg C) Source
Melting Point 181 deg C EXP
log P (octanol-water) 1.94 (none) EXP
Water Solubility 199 mg/L 25 EXP
Vapor Pressure 4.74E-12 mm Hg 25 EST
Henry's Law Constant 3.70E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.16E-10 cm3/molecule-sec 25 EST

Functions

In many species, including rodents, corticosterone is the principal glucocorticoid, involved in regulation of fuel metabolism, immune reactions, and stress responses.

However, in humans, corticosterone is produced primarily in the zona fasciculata of the adrenal cortex. It has only weak glucocorticoid and mineralocorticoid potencies in humans and is important mainly as an intermediate in the steroidogenic pathway from pregnenolone to aldosterone. Corticosterone is converted to aldosterone by aldosterone synthase, found only in the mitochondria of glomerulosa cells. Glomerulosa cells are found in the Zona glomerulosa, which is the most superficial region of endocrine cells in the adrenal cortex.