Hormones in Recombinant Proteins

Applications Formononetin is an isoflavone found as one of the main plant estrogens in animal feed. When metabolized in the rumen this compound transforms into a potent estrogen. References Matin, A., et al.: J. Med. Chem., 52, 6835 (2009), Chang, T., et al.: J. Agric. Food Chem., 57, 9706 (2009), Yu, J., et al.: J. Pharm. Biomed. Anal., 50, 939 (2009), Yang, Y., et al.: Biol. Pharm. Bull., 32, 1289 (2009),

Stability Hygroscopic, Temperature Sensitive Applications (6α,11β)-11,20-Dihydroxy-6-methyl-3-oxopregna-1,4,17(20)-trien-21-al is an impurity of Methylprednisolone( M325934). References Solomun, L. et al.: J. Serb. Chem. Soc., 75, 1441 (2010);

Applications β-Cortolone is a metabolite of Cortisol (H714615), a steroid hormone, more specifically a glucocorticoid, produced by the zona fasciculata of the adrenal gland. Cortisol is released in response to stress and a low level of blood glucocorticoids. Its primary functions are to increase blood sugar through gluconeogenesis; suppress the immune system; and aid in fat, protein and carbohydrate metabolism. References Fukushima, D.K., et. al.: Steroids, 35, 209 (1980); Vigore, L., et al.: Cancer Ther., 6, 699 (2008); Puurunen, J., et al.: J. Clin. Endocrinol. Metab., 94, 1973 (2009); Lemos, D., et al.: J. Endocrinol., 201, 275 (2009); Chen, S., et al.: Am. J. Physiol., 296 (2009)

Applications 4-Hydroxy Estradiol 1-N7-Guanine is an estrogen metabolite formed with DNA which can lead to the mutations that initiate breast, prostate, and other types of cancer. Estrogen-DNA depurinating adducts as biomarkers of cancer risk and their use in cancer detection and prevention. References Chakravarti, D., et al.: Mutat. Res., 456, 17 (2000), Liehr, J., et al.: Endocr. Rev., 21, 4054 (2000), Chakravarti, D., et al.: Oncogene, 20, 7945 (2001), Cavalieri, E., et al.: Chem. Res. Toxicol., 14, 1041 (2002),

Applications (3α,​17α)​-4-​Chloro-​3-​hydroxy-​17-​methyl-18-​Norandrosta-​4,​13-​diene-​17-​methanol is a metabolite of Dehydrochloromethyltestosterone (DHCMT) and a related compound of clostebol acetate (C587395), an anabolic steroid. References Roy, D., et al.: Eur. J. Med. Chem., 42, 1365 (2007); Alvarez-Ginarte, Y., et al.: Bioorg. Med. Chem., 16, 6448 (2008); Srivastava, H., et al.: Med. Chem. Res., 18, 455 (2009)

Applications Tixocortol 21-Pivalate is an anti-inflammatory agent. Tixocortol 21-Pivalate is used in fluorescent chemoaffinity labeling. References Torossian, D.R., et al.: Arzneim.-Forsch., 31, 453 (1981),

Applications (6α,11β,16α,17α)-6,9-Difluoro-17-[(2-furanylcarbonyl)oxy]-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid is an impurity compound of fluticasone furoate (F599510). A steroid used in the studies on the primary metabolic pathway of fluticasone furoate in animals hepatocyte and in humans. References Lulla, M., et al.: Handbook of Metabolic Pathways of Xenobiotics, 4, 1475 (2014), Hughes, S. C., et al.: Drug Metab. Dispos., 36, 2337 (2008)

Applications Labelled Corticosterone (C695700). Glucocorticoid; an intermediate in the biosynthesis of aldosterone, isolated from the adrenal cortex. References Schmidt, M., et al.: Endocrinol., 150, 2709 (2009), Bailey, M., et al.: J. Immunol., 182, 7888 (2009), Brunton, P., et al.: J. Neurosci., 29, 6449 (2009), Pruett, S., et al.: Toxicol. Sci., 109, 265 (2009),

Stability Hygroscopic Applications Isotope labelled Lysipressin (L488770) is an analog of Vasopressin (A769550), a powerful vasopressor used to modulate blood pressure. An endogenous antidiuretic hormone in most mammalian species. It is released into the blood from nerve terminals in the posterior pituitary and median eminence. It is a neurotransmitter in the central nervous system and also implicated in a variety of physiological processes such as regulating water balance by antidiuretic action. References Perucca, J. et al.: J. AM. Soc. Nephrol., 19, 1721 (2008); Toba, K. et al.: Prog. Brain Res., 119, 337 (1998); Berrada, K. et al.: J. Biol. Chem., 275, 27229 (2000);

Applications Labelled Norgestrel. It is an excellent progestational and ovulation inhibiting steroid. The bioactive enantiomer is levorotatory. Progestogen; oral contraceptive. References Sopirak, A.M., et al.: Anal. Profiles Drug Subs., 4, 294 (1975), Dunson, T.R., et al.: Contraception, 48, 109 (1993),

Applications Labelled Dydrogesterone. A synthetic progestin largely used in hormone therapy, on the central nervous system by studying two markers of the neuroendocrine function: the neurosteroid allopregnanolone and the opioid .beta.-endorphin. Progestogen. References Bernardi, F., et al.: Eur. J. Endocrinol., 138, 316 (1998), Rupprecht, R., et al.: Steroids, 64, 83 (1999), Uzunova, V., et al.: Brain Res., 976, 1 (2003), Pluchino, N., et al.: J. Steroid Biochem. Mol. Biol., 102, 205 (2006),

Chorionic Gonadotropin/CGA Protein, Human, Recombinant (His) is expressed in HEK293 mammalian cells with His tag.

Stability Hygroscopic Applications Capromorelin Tartrate acts as a reagent used in the preparation of pyrazolopyridine amide growth hormone secretagogues for treatment of fibromyalgia References Pan, L. C., et al.: Pat. Appl. Publ. (2005), US 20050065180 A1 20050324

Applications Δ6-Gestodene, is an impurity of Gestodene (G368250), an orally active gestogen with progesterone-like profile of activity. Used in combination with estrogen as oral contraceptive. References Duesterberg, B., et al.: Contraception, 24, 673 (1981); Duesterberg, B., et al.: Seroids, 43, 43 (1984); Losert, W., et al.: Arzneim.-Forsch., 35, 459 (1985);

Impurity Rocuronium EP Impurity F Applications 2-Pyrrolidinyl-3-acetyl Desmorpholinylrocuronium Bromide (Rocuronium EP Impurity F) is an impuritiy of Rocuronium bromide (R639500), an aminosteroid and a competitive neuromuscular blocker. References Srinivasan, N., et al.: Oriental. J. Chem., 24, 989 (2008); Magorian, T., et al.: Anesthesiology, 79, 913 (1993); Wicks, T.C., et al.: J. Am. Assoc. Nurse Anesth., 62, 33 (1994)

Applications A labelled metabolite of Estradiol. References Fishman, H.G, et al.: Biochemistry, 8, 4304 (1969), Ryan, Sugar, J., et al.: J. Clin. Endocrinol. Metab., 50, 137 (1980), Numazawa, M., et al.: Steroids, 38, 149 (1981), Travis, R., et al.: Breast Cancer Res., 5, 239 (2003),

Applications Clobetasol 17-Propionate-d5 is labelled Clobetasol 17-Propionate (C583500) which is a topical corticosteroid. Clobetasol 17-Propionate (C583500) is anti-inflammatory. References Olsen, E.A., et al.: J. Am. Acad. Dermatol., 15, 246 (1986),

Applications Tauro 6-Ethlchenodeoxycholic Acid-d5 Sodium Salt is the labelled version of Tauro 6-Ethlchenodeoxycholic Acid Sodium Salt (T009025) which can be otained from 6-Ethylchenodeoxycholic Acid (E899810), a derivative of the bile acid Chenodeoxycholic Acid (C291900). 6-Ethylchenodeoxycholic Acid (E899810) is a potent activator of the farnesoid X nuclear receptor which reduces liver fat and fibrosis in animal models of fatty liver disease. References Neuschwander-Tetri, B.A., et al.: Lancet., 385, 956 (2015)

Impurity Teriparatide Impurity Applications A fragment of human parathyroid hormone (hPTH) peptide sequence containing the 30 N-terminal residues of hPTH. References Niall, et al.: Proc. Natl. Acad. Sci., 71, 384 (1974);

Applications 3-epi-Deoxycholic Acid-d5 is a labelled analogue of 3-Epideoxycholic Acid. 3-epi-Deoxycholic Acid-d5 is an intermediate in synthesizing Deoxycholic Acid-d5 (D232647), which is a labelled Cholic Acid (C432600) derivative used as a component in cell lysis buffers. References Tuangtong, R. et al.: Dermatol. Surg., 36, 899 (2010); Araki, Y. et al.: Scand. J. Gast., 36, 533 (2001);

PTH elevates calcium level by dissolving the salts in bone and preventing their renal excretion.

Applications A hydroxylated analogue of Tamoxifen (T006000) with anti-estrogenic properties. References Ruenitz, P.C. et al.: J. Med. Chem., 25, 1056 (1982)

Stability Hygroscopic Applications Sodium salt of Tauro-α-muricholic Acid is a labeled bile acid released by the liver and is typically used in cholestasis studies. References Yang, L. et al.: Chem. Res. Toxicol., 21, 2280 (2008); Holm, R. et al.: Phys. Chem. Chem. Phys., 11, 5070 (2009);

Applications The sex pheromone of Cigarette Beetle.

Iron-regulatory hormone that acts as an erythroid regulator after hemorrhage: produced by erythroblasts following blood loss and mediates suppression of