Steroids

Applications Isotope labelled intermediate in the synthesis of Dexamethasone (D298800), a glucocorticoid anti-inflammatory agent. References Liu, Y., et al.: Anal. Bioanal. Chem., 395, 591 (2009), Rodgers, A., et al.: Chem. Res. Toxicol., 23, 724 (2010), Gohil, V., et al.: Nat. Biotechnol., 28, 249 (2010),

7α-Hydroxycholesterol is a cholesterol oxide formed by both enzymatic and non-enzymatic oxidation. It can be used as a biomarker for lipid peroxidation.

The progesterone derivatives 11 alpha- and 11 beta-hydroxyprogesterone are potent inhibitors of 11 beta-hydroxysteroid dehydrogenase (isoforms 1 and 2) in vitro

Applications This is a controlled substance (anabolic steroid). Anabolic. References De Marchi, et al.: Arzneim.-Forsch., 23, 1583 (1973), Masse, R., et al.: Anal. Chim. Acta, 247, 211 (1991),

Lactone

Applications A labelled derivative of Flumethasone. An antiallergic; anti-asthmatic; anti-inflammatory. References Meltzer, E.O., et al.: J. Allergy Clin. Immunol., 86, 221 (1990), Mitchison, H.C., et al.: Gut, 32, 260 (1991), Phillipps, G.H., et al.: J. Med. Chem., 37, 3717 (1994)

Applications Isotope Labelled 17β-Estradiol 3-O-Sulfate is a neuroactive steroid used in the studies of human recombinant p1 γ-aminobutyric acid type C (GABAC) recptors. References Li, W.J., et al.: J. Pharmacol. Exp. Therp., 323, 236 (2007); Schneider, C., et al.: Steroids., 69, 245 (2004);

DHED is a neuroactive steroid precursor, specifically a bioprecursor prodrug of estradiol, which is derived from chemical synthesis pathways. It is unique in its targeted mode of action, as it selectively converts to the active hormone estradiol within the brain via enzymatic processes that occur in situ. This specificity is facilitated by 17β-hydroxysteroid dehydrogenase type 1, which catalyzes the conversion of DHED to estradiol exclusively in the brain, minimizing peripheral estrogenic effects. The principal applications of DHED are centered on addressing neurological and psychological disorders that are associated with reduced estrogen levels in the brain, including neurodegenerative diseases like Alzheimer's, depression, and cognitive decline in post-menopausal conditions. The ability of DHED to act centrally without influencing systemic estrogen levels bears potential for therapeutic strategies aimed at enhancing brain function while circumventing systemic side effects traditionally linked with estrogen therapy. This targeted delivery approach paves the way for advancements in treating neurologically relevant conditions with greater precision and reduced risk of peripheral side effects.

Glycodeoxycholate Sodium, a secondary bile acid, triggers hepatocyte apoptosis via DNA endonuclease cleavage.