Isotope-Labeled Steroid Conjugates

Glycocholic acid-d₄ is the deuterium labeled Glycocholic acid (HY-N1423). Glycocholic acid is a bile acid derivative. Glycocholic acid downregulates MDR1, Bcl-2, MRP1, MRP2 and FXR, upregulates Bax, p53, caspase-9, caspase-3, TGR5 and S1PR2. Glycocholic acid inhibits multidrug resistance and efflux pumps, induces mitochondrial apoptosis, and enhances chemosensitivity. Glycocholic acid modulates related bile acid receptor signaling. Glycocholic acid suppresses growth and conjugation of Enterobacteriaceae and increases their antibiotic susceptibility. Glycocholic acid can be used for the research of colon adenocarcinoma and cholangiocarcinoma (CCA).

Taurocholic acid-d₄ (sodium) is the deuterium labeled Taurocholic acid. Taurocholic acid (N-Choloyltaurine) is a bile acid involved in the emulsification of fats.

Glycochenodeoxycholic acid-d₄ is the deuterium labeled Glycochenodeoxycholic acid. Glycochenodeoxycholic acid (Chenodeoxycholylglycine) is a bile acid formed in the liver from chenodeoxycholate and glycine. It acts as a detergent to solubilize fats for absorption and is itself absorbed. Glycochenodeoxycholic acid (Chenodeoxycholylglycine) induces hepatocyte apoptosis.

Glycodeoxycholic acid-d₄ is the deuterium labeled Glycodeoxycholic Acid. Glycodeoxycholic Acid is an endogenous metabolite.

Glycoursodeoxycholic acid-d₄ (Ursodeoxycholylglycine-d₄) is the deuterium labeled Glycoursodeoxycholic acid. Glycoursodeoxycholic acid, a acyl glycine and a bile acid-glycine conjugate, is a metabolite of ursodeoxycholic acid.

Taurodeoxycholic acid-d₅ is the deuterium labeled Taurodeoxycholic acid (HY-B1899). Taurodeoxycholic acid, a bile acid, stabilizes the mitochondrial membrane, decreases free radical formation. Taurodeoxycholic acid inhibits apoptosis by blocking a calcium-mediated apoptotic pathway as well as caspase-12 activation. Taurodeoxycholic acid exhibits neuroprotective effect in 3-nitropropionic acid induced mouse model or genetic mouse model of Huntington's disease (HD).

Taurochenodeoxycholic acid-d4 (TCDCA-d4) is the deuterium labeled Taurochenodeoxycholic acid. Taurochenodeoxycholic acid (12-Deoxycholyltaurine) is one of the main bioactive substances of animals' bile acid. Taurochenodeoxycholic acid induces apoptosis and shows obvious anti-inflammatory and immune regulation properties.

Estrone-3-glucuronide-d₄ lithium is the deuterium labeled Estrone-3-glucuronide lithium. Estrone 3-glucuronide is a dominant urinary metabolite of?Estradiol?(HY-B0141) and urinary marker for female fertile window prediction. Estrone 3-glucuronide can be used in combination with luteinizing hormone in ovulation prediction kits.

Taurochenodeoxycholic acid-d₄ (sodium) is the deuterium labeled Taurochenodeoxycholic acid. Taurochenodeoxycholic acid (12-Deoxycholyltaurine) is one of the main bioactive substances of animals' bile acid. Taurochenodeoxycholic acid induces apoptosis and shows obvious anti-inflammatory and immune regulation properties.

Cholesterol sulfate sodium-d₇ is the deuterium labeled Cholesterol sulfate sodium. Cholesterol sulfate sodium is a naturally occurring, orally active cholesterol derivative that is widely distributed in various tissues and body fluids. Cholesterol sulfate sodium acts as a DOCK2 inhibitor, with IC₅₀ values of 2 μM and 2.9 μM against mouse and human targets, respectively. Cholesterol sulfate sodium restricts excessive neutrophil infiltration and alleviates intestinal inflammation and damage. Cholesterol sulfate sodium serves as an activator of protein kinase C (PKC), which promotes squamous cell differentiation and inhibits skin carcinogenesis. Cholesterol sulfate sodium regulates cholesterol homeostasis and cellular metabolism by activating the AMPK-Sirt1 pathway. Cholesterol sulfate sodium can be used in research related to actinic keratitis, ulcerative colitis, skin cancer, and other conditions.

Tauroursodeoxycholate-d₄ (sodium) is the deuterium labeled Tauroursodeoxycholate sodium. Tauroursodeoxycholate (Tauroursodeoxycholic acid; TUDCA) sodium is an endoplasmic reticulum (ER) stress inhibitor. Tauroursodeoxycholate significantly reduces expression of apoptosis molecules, such as caspase-3 and caspase-12. Tauroursodeoxycholate also inhibits ERK.

Taurocholic acid-d₄ is deuterium labeled Taurocholic acid. Taurocholic acid (N-Choloyltaurine) is a bile acid involved in the emulsification of fats.

Glycolithocholic acid-d₄ is the deuterium labeled Glycolithocholic acid. Glycolithocholic acid, an endogenous metabolite, is a glycine-conjugated secondary bile acid and can be used to diagnose ulcerative colitis (UC), non-alcoholic steatohepatitis (NASH) and primary sclerosing cholangitis (PSC) .

Tauroursodeoxycholate-d₄ is deuterium labeled Tauroursodeoxycholate. Tauroursodeoxycholate (Tauroursodeoxycholic acid) is an endoplasmic reticulum (ER) stress inhibitor. Tauroursodeoxycholate significantly reduces expression of apoptosis molecules, such as caspase-3 and caspase-12. Tauroursodeoxycholate also inhibits ERK.

Glycohyocholic acid-d₄ is the deuterium labeled Glycohyocholic acid (HY-122141). Glycohyocholic acid (GHCA) is a primary conjugated bile acid formed by the conjugation of Cholic acid (HY-N0324) and Glycine (HY-Y0966). Glycohyocholic acid can be used in the study of hepatitis C-related cirrhosis and diabetes mellitus.

Glycocholic acid-d₅ is the deuterium labeled Glycocholic acid (HY-N1423). Glycocholic acid is a bile acid derivative. Glycocholic acid downregulates MDR1, Bcl-2, MRP1, MRP2 and FXR, upregulates Bax, p53, caspase-9, caspase-3, TGR5 and S1PR2. Glycocholic acid inhibits multidrug resistance and efflux pumps, induces mitochondrial apoptosis, and enhances chemosensitivity. Glycocholic acid modulates related bile acid receptor signaling. Glycocholic acid suppresses growth and conjugation of Enterobacteriaceae and increases their antibiotic susceptibility. Glycocholic acid can be used for the research of colon adenocarcinoma and cholangiocarcinoma (CCA).

Androsterone glucuronide-d₄ is the deuterium labeled Androsterone glucuronide.

Taurolithocholic acid-d₄ is deuterium labeled Taurolithocholic acid. Taurolithocholic acid is an orally active bile acid and antiviral agent. Taurolithocholic acid upregulates FADS2 by activating the TGR5-PI3K/AKT-SREBP2 signaling axis, inhibits SFTSV-induced ferroptosis, viral replication and viral entry of HBV/HDV, while reducing the release of IL-1β, lipid ROS and LDH. While exerting antiviral protective effects, Taurolithocholic acid also stimulates the recycling of hepatocellular membrane transporters, impairs canalicular bile acid secretion function, and induces hepatocyte cholestasis, apoptosis and acute hepatocellular injury. Taurolithocholic acid serves as an experimental model compound for hepatocellular cholestasis. At concentrations ≤200 μM, Taurolithocholic acid shows no cytotoxicity and does not activate the interferon pathway. Taurolithocholic acid not only protects mice from lethal SFTSV infection but also is suitable for studies related to severe fever with thrombocytopenia syndrome and cholestasis.

Glycodeoxycholic acid-d₆ is the deuterium labeled Glycodeoxycholic Acid. Glycodeoxycholic Acid is an endogenous metabolite.

Glycolithocholic acid 3-sulfate-d4 disodium is the deuterium labeled Glycolithocholic acid 3-sulfate (HY-113074).