Steroid sulfatase-IN-7 is an irreversible inhibitor of steroid sulfatase (STS), demonstrating potent activity with an IC50 of 0.05 nM against human placental STS, rendering it suitable for application in cancer research [1].

Steroid Sulfatase-IN-6 (Compound 10c) serves as an irreversible steroid sulfatase (STS) inhibitor, exhibiting a K i value of 0.4 nM against human placenta STS, and is applicable in tumor disease research [1].

Steroid sulfatase/17β-HSD1-IN-5 serves as an irreversible inhibitor of steroid sulfatase (STS) and a reversible, selective inhibitor of 7β-hydroxysteroid dehydrogenase type1 (17β-HSD1), exhibiting IC50 values of 43 nM for 17β-HSD1 and 6.2μM for 17β-HSD2. This compound is utilized in research related to metabolic diseases, particularly endometriosis [1].

Steroid sulfatase-IN-5 (compound 10b), an inhibitor of steroid sulfatase (STS) with an IC50 of 0.32 nM, effectively suppresses T-47D breast cancer cell proliferation, demonstrating an IC50 value of 35.7 μM. This compound is utilized in breast cancer research [1].

(R)-3β-Hydroxy steroid sulfotransferase-IN-11 has a wide range of applications in life science related research.

Steroid sulfatase/17β-HSD1-IN-4 (compound 37) is a potent dual inhibitor of steroid sulfatase ( STS ) and 17β-hydroxysteroid dehydrogenase type 1 ( 17β HSD1 ). Steroid sulfatase/17β-HSD1-IN-4 irreversibly inhibits hSTS activity (IC50= 63 nM). Steroid sulfatase/17β-HSD1-IN-4 has research value in endometriosis and other estrogen-dependent diseases.

Steroid sulfatase/17β-HSD1-IN-3 (compound 19) is a dual inhibitor of steroid sulfatase (STS) and 17β-hydroxysteroid dehydrogenase type 1 (17β HSD1). Steroid sulfatase/17β-HSD1-IN-3 can be used to study endometriosis and other estrogen-dependent diseases.

Steroid sulfatase-IN-2 is an active inhibitor of steroid sulfatase (STS), demonstrating an IC50 value of 109.5 nM. Its potential application lies in hormone-dependent cancer research, specifically estrogen-dependent breast and endometrial cancer [1].

Steroid sulfatase-IN-4 (Compound 16) is an irreversible inhibitor of steroid sulfatase (STS) that acts on human STS (IC50: 25 nM). steroid sulfatase-IN-4 can be used to study endometriosis.

Steroid sulfatase/17β-HSD1-IN-1 is a highly effective inhibitor of both steroid sulfatase and 17β-hydroxysteroid dehydrogenase type 1 (17β-HSD1) activities, displaying an IC50 value of 28 nM against cellular human steroid sulfatase. This compound holds significant potential for investigating estrogen-dependent diseases [1].

Steroid sulfatase-IN-3 (compound 1q) is a highly effective Steroid sulfatase (STS) inhibitor, exhibiting an IC 50 value of 25.8 nM. This compound also demonstrates antiproliferative properties against T-47D estrogen-dependent breast cancer cells, with an IC 50 of 1.04 μM [1].

Steroid sulfatase-IN-1 is a highly potent and orally active inhibitor of the enzyme Steroid sulfatase, with an impressive IC50 value of 1.71 μM. This compound exhibits notable antitumor activity, achieving a TGI (tumor growth inhibition) of 51% in vivo. Therefore, Steroid sulfatase-IN-1 holds great promise in the field of breast cancer research [1].

Cortodoxone (11-Desoxycortisol) is a glucocorticoid steroid hormone that is an intermediate in the biosynthesis of cortisol in the adrenal gland.

Testosterone phenylpropionate (Testosterone 17-phenylpropionate)is a steroid indicated for testosterone replacement therapy in sterilization, missing testicle, hypopituitarism, and osteoporosis.

Nandrolone decanoate (19-Nortestosterone decanoate) is the decanoate salt form of nandrolone, an anabolic steroid analog of testosterone with androgenic, anabolic, and erythropoietin stimulating effects. Nandrolone enters the cell and binds to and activates specific nuclear androgen receptors in responsive tissue, including the prostate, seminal vesicles, scrotum, penis, larynx, hair follicles, muscle, and bone.

Cholesterol Myristate (Cholesteryl Myristate) is a natural steroid found in traditional Chinese medicine that interacts with various ion channels, including the GABAA receptor, nicotinic acetylcholine receptor, and the inward-rectifier potassium ion channel.

D-Pantothenic acid (vitamin B5) is a water-soluble vitamin ubiquitously found in plants and animal tissues with an antioxidant property. D-Pantothenic acid is a component of coenzyme A (CoA) and a part of the vitamin B2 complex. D-Pantothenic acid is a growth factor and is essential for various metabolic functions, including the metabolism of carbohydrates, proteins, and fatty acids. This vitamin is also involved in the synthesis of cholesterol, lipids, neurotransmitters, steroid hormones, and hemoglobin.

Glycoursodeoxycholic acid (Ursodeoxycholylglycine) is an acyl glycine and a bile acid-glycine conjugate. It is a secondary bile acid produced by the action of enzymes existing in the microbial flora of the colonic environment. In hepatocytes, both primary and secondary bile acids undergo amino acid conjugation at the C-24 carboxylic acid on the side chain, and almost all bile acids in the bile duct, therefore, exist in a glycine conjugated form. Bile acids are steroid acids found predominantly in bile of mammals.

Corticosterone (Kendall's compound B) is an adrenocortical steroid with salocorticoid and glucocorticoid activity that is orally active. Corticosterone is involved in the regulation of energy, immune responses, and stress responses in the body.

Adrenosterone (11-ketoandrostenedione) is a steroid hormone isolated from the adrenal cortex.

Crustecdysone (Hydroxyecdysone) is a steroid hormone that regulates the processes of molting or ecdysis in insects.

Sarsasapogenin (Parigenin) is a steroidal sapogenin, that is the aglycosidic portion of a plant saponin. It is named after sarsaparilla (Smilax sp.), a family of climbing plants found in subtropical regions. It was one of the first sapogenins to be identified, and the first spirostan steroid to be identified as such.

Estradiol (E2) is a naturally occurring steroidal sex hormone that is essential for female fertility and maintenance of secondary sexual characteristics. Estradiol upregulates IL-6 expression through estrogen receptor beta (ERβ).

Spirostan-3-ol (Sarsaponin) is a stereoisomer of Sarsasapogenin (S142505), a steroid glycoside isolated from plant materials. A saponin with with potential anti-tumor activity via apoptosis.

Pregnenolone acetate is a powerful neurosteroid, the main precursor of various steroid hormones including steroid ketones. It acts as a signaling-specific inhibitor of cannabinoid CB1 receptor, inhibits the effects of tetrahydrocannabinol (THC) that are mediated by the CB1 receptors. It can protect the brain from cannabis intoxication

Golexanolone (Golexanolona) is a novel GABA-A receptor-modulating steroid antagonist that reduces peripheral inflammation and neuroinflammation and improves cognitive and motor function in rats with chronic hyperammonemia, and may be used to study hepatic encephalopathy.

S5A1 is a synthetic steroid used in the study of diabetes.

9-hydroxy-4-androstene-3,17-dione is a steroid hormone. It has anti-tumor activity and can inhibit the growth of many types of cancer cells, including breast, prostate and lung cancer cells.

antcin A is a steroid-like phytochemical isolated from the fruiting bodies of a precious edible mushroom Antrodia cinnamomea with strong anti-inflammatory and anti-tumor effects.

Estrone O-sulfamate (Estrone 3-O-sulfamate) is a potent inhibitor of steroid sulfatase (STS). Estrone O-sulfamate is a placental microsomal inhibitor (P.M.) with IC50 values of 18 nM. Estrone O-sulfamate showed inhibitory effects on STS in MCF-7 cells with IC50 values of 0.83 nM. Estrone O-sulfamate can be used to study cancer.

Chlorogenin is a natural steroid derived from the herbs of Agave americana.

SI-2 is an inhibitor (SMI) of steroid receptor coactivator-3 (SRC-3 or AIB1). SI-2 can selectively reduce the transcriptional activities and the protein concentrations of SRC-3 in cells, and selectively induce breast cancer cell death with IC50 values in the low nanomolar range (3-20 nM), but not affect normal cell viability.

Euphorbiasteroid (Euphobiasteroid) (25-50 μM) decreased differentiation of 3T3-L1 cells via reduction of intracellular triglyceride (TG) accumulation.

3α-Hydroxysteroid dehydrogenase (3α-HSD), encoded by the AKR1C4 gene, is responsible for catalyzing the transformation of 3-ketosteroids into 3α-hydroxy compounds. This enzyme significantly contributes to the inactivation of the androgen DHT by converting it into 3α-androstanediol, which exhibits reduced androgen activity. Such conversions are crucial in hirsutism research [1].

Nonsteroidal aromatase inhibitor 1 (Compound 13h) effectively inhibits the enzyme CYP19A1 with an IC50 value of 0.09 nM. Due to its potent inhibitory activity, Nonsteroidal aromatase inhibitor 1 holds promise for research in the field of breast cancer [1].

Olopatadine, an antihistamine, as well as anticholinergic and mast cell stabilizer, is used for the treatment of itching associated with allergic conjunctivitis (eye allergies). There is also a potential for Olopatadine to treat steroid rebound (red skin

Progesterone (Pregn-4-ene-3,20-dione) is the major progestational steroid that is secreted primarily by the CORPUS LUTEUM and the PLACENTA. Progesterone acts on the UTERUS, the MAMMARY GLANDS and the BRAIN. It is required in EMBRYO IMPLANTATION; PREGNANCY maintenance, and the development of mammary tissue for MILK production.

Abiraterone Acetate (CB7630) is an androstene derivative that inhibits STEROID 17-ALPHA-HYDROXYLASE and is used as an ANTINEOPLASTIC AGENT in the treatment of metastatic castration-resistant PROSTATE CANCER.

Hydroxysafflor yellow A (Safflomin A) inhibited adipogenesis by increasing HSL promoter activities. Hydroxysafflor yellow A can effectively protect the liver from long-term alcohol injury by enhancing antioxidant capacity and inhibiting the expression of TGF-β. It prevents steroid-induced avascular necrosis of femoral head by inhibiting primary bone marrow-derived mesenchymal stromal cells. Also, Hydroxysafflor yellow A has anti-tumor effects.

25-Hydroxycholesterol is a steroid derivative that suppresses the cleavage of sterol regulatory element binding proteins (SREBPs). It inhibits HMG-CoA reductase and so it also plays a significant role in the in vivo regulation of cholesterol biosynthesis

β-Corticotropin (swine), a synthetic analog of the peptide hormone corticotropin (ACTH), induces steroid release [1] [2].

Peimisine 3-O-β-D-glucopyranoside (Compound 1), a steroid alkaloid, is isolated and purified from Fritillaria unibracteata and demonstrates a moderate protective effect against rotenone-induced neurotoxicity in the PC12 cell line [1].

Ophiopogonin R (compound 3), a steroid saponin, was isolated and purified from natural ophiopogonin and demonstrated no cytotoxicity against five human tumor cell lines (HepG2, HLE, BEL7402, BEL7403, and Hela) [1].

Progenin III palmitate, a steroid glycoside ester, is isolated from the rhizomes of Dioscorea cayenensis [1].

Chol-5-en-24-al-3β-ol is a steroid compound.

Nogotrienone is an anabolic steroid with fertility and contraceptive activity that has been studied as a therapeutic agent for hereditary angioneurotic edema.

2α-Methyl androsterone, a metabolite of mesterolone and drostanolone, is classified as an anabolic androgenic steroid.

Rimexolone is a glucocorticoid steroid used to treat inflammation in the eye.

4α-Methylcholesterol, a derivative of Cholesterol, possesses the ability to oxidize 3-hydroxy steroid at an apparent K m of 12.6 μM.

Nordeoxycholic acid, a 23-carbon bile acid, functions as a metabolite of norcholic acid and a steroid metabolite in humans [1].