Bufalin is an active ingredient and one of the glycosides in the traditional Chinese medicine ChanSu; it is also a bufadienolide toxin originally isolated from the venom of the Chinese toad Bufo gargarizans, with potential cardiotonic and antineoplastic a

Digitonin is a natural product of the glycoside family and is a detergent. Digitonin has antitumor activity, binds to cholesterol molecules to increase the permeability of cell membranes, and is active in the cleavage of cell membranes in a wide range of cells.

Fucosterol is isolated from E. stolonifera with anti-diabetic, anti-adipogenic and anti-cancer activities. It regulates adipogenesis via modulation of PPARα and C EBPα expression.

Polyphyllin D induces apoptosis via the mitochondrial apoptotic pathway as evidenced by decreased Bcl-2 expression levels, disruption of MMP and increased Bax, cytochrome C, and cleaved-caspase-3 levels. Polyphyllin D has an anti-angiogenic effect. Polyphyllin D has toxicity in human RBCs as well as its underlying mechanism for the hemolysis and eryptosis erythroptosis. Polyphyllin D has strong anticancer activity, can overcome drug resistance in R-HepG2 cells and elicit programmed cell death via mitochondrial dysfunction.

Campesterol ((24R)-5-Ergosten-3β-ol) is a plant sterol with cholesterol lowering and anticarcinogenic effects, it and other plant sterols often decrease LDL cholesterol levels overall. Campesterol has anti-inflammatory effect, it inhibits several pro-inflammatory and matrix degradation mediators typically involved in osteoarthritis- induced cartilage degradation, also sometimes used to treat some specific prostate conditions.

Timosaponin BII (Prototimosaponin A III) exhibits anti-dementia and antioxidant activities, with potential applications in treating type 2 diabetes. It can inhibit the up-regulation of BACE1 and reduce the over-production of β-CTF and Aβ in rat retina induced by FeCl.

Caudatin is one of the species of C-21 steroidal glycosides mainly isolated from the root of Cynanchum bungei Decne and exhibits potent anticancer activities.

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

Cholesterol (cholesteryl alcohol) is a natural product that is the major sterol in mammals and an agonist of estrogen-related receptor α (ERRα). Cholesterol is widely found in the cell membranes of animals and is also used in the synthesis of several important hormones and bile acids.

Hydrocortisone (Cortisol) is a glucocorticoid hormone secreted by the adrenocortex. Hydrocortisone agonizes the glucocorticoid receptor, which promotes proteolytic metabolism, gluconeogenesis, capillary wall stabilization, and renal calcium excretion, as well as suppressing immune and inflammatory responses.

Timosaponin AIII (Timosaponin A3) induces autophagy in HeLa cells followed by apoptotic cell death (IC50: 10 μM). The Timosaponin AIII cellular response is mediated via inhibition of mTORC1 and induction of ER stress (IC50: 2.5 μM, BT474 cells; 6 μM, MDAMB231). The Timosaponin AIII pro-apoptotic response is selective for tumor cells over normal cells but autophagy is induced in both.

Cinobufotalin is a main cardiac toxin in toad, it is a novel anti-HCC agent, it induces growth inhibition and apoptosis in cultured HCC cells through ceramide production. Cinobufotalin is also an effective reversal agent for the multidrug resistance of tu

Paris saponin VII (Dioscini) shows inhibitory effects on cell proliferation.

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).

Taurocholic acid (N-Choloyltaurine) is a bile acid involved in the emulsification of fats.Taurocholic acid is cytoprotective, preventing tumor necrosis factor-alpha-induced cholangiocyte damage via a PI3K-mediated pathway.

Beta-Sitosterol (SKF 14463) has recently been shown to induce G2 M arrest, endoreduplication, and apoptosis through the Bcl-2 and PI3K Akt signaling pathways. Beta-Sitosterol (SKF 14463) , a main dietary phytosterol found in plants, may have the potential for prevention and therapy for human cancer. Although the exact mechanism of action of Beta-Sitosterol (SKF 14463) is unknown, it may be related to cholesterol metabolism or anti-inflammatory effects (via interference with prostaglandin metabolism). Beta-Sitosterol (SKF 14463) induces apoptosis and activates key caspases in MDA-MB-231 human breast cancer cells.

WITHAFERIN A is a novel class of NFkappaB inhibitors, which hold promise as novel anti-inflammatory agents for treatment of various inflammatory disorders and or cancer.

Deoxycholic acid (Cholanoic Acid) is a bile acid formed by bacterial action from cholate. It is usually conjugated with glycine or taurine. Deoxycholic acid acts as a detergent to solubilize fats for intestinal absorption, is reabsorbed itself, and is used as a choleretic and detergent.

7α-Hydroxycholesterol, a cholesterol oxide formed through both enzymatic and non-enzymatic oxidation, can serve as a biomarker for lipid peroxidation.

Cinobufagin (Cinobufagine) is a selective Na+ K+-ATPase inhibitor. The activity of Cinobufagin is same as ouabain.

Daucosterol (Sitogluside) has proliferation-enhancing activity, may be involved in the IGF1-AKT pathway. Daucosterol(β-Sitosterol β-D-glucoside) has efficient and inexpensive neuroprotectant effect, to contribute to IGF1-like activity, could be potentially developed as a medicine for ischemic stroke treatment.

7-Ketocholesterol is a metabolite of Cholesterol

2-Methoxyestradiol (2-ME2) is an orally bioavailable estradiol metabolite with potential antineoplastic activity. 2-Methoxyestradiol inhibits angiogenesis by reducing endothelial cell proliferation and inducing endothelial cell apoptosis. This agent also inhibits tumor cell growth by binding to tubulin, resulting in antimitotic activity, and by inducing caspase activation, resulting in cell cycle arrest in the G2 phase, DNA fragmentation, and apoptosis.

Brassinolide (Brassin lactone) is a plant hormone isolated from rapeseed (Brassica napus) promoting stem elongation and cell division.

Pennogenin 3-O-beta-chacotrioside, isolated from *Paris polyphylla*, exhibits anti-colorectal cancer activity by modulating autophagy through increased expression of autophagy-related proteins LC3 and Beclin-1.

Pregnanediol (5Beta-Pregnane-3Alpha,20alpha-Diol) is an inactive metabolite of PROGESTERONE by reduction at C5, C3, and C20 position. Pregnanediol(5Beta-Pregnane-3Alpha,20alpha-Diol) has two hydroxyl groups, at 3-alpha and 20-alpha. It is detectable in URINE after OVULATION and is found in great quantities in the pregnancy urine.

1. Polyphyllin VI has hemostasis , expectorant , bacteriostasis, anticytotoxic, anti pregnancy kill sperm effects.

Guggulsterone (Guggulsterone E&Z) E&Z is a 3-hydroxy steroid. It has a role as an androgen.

Qingyangshengenin B (Otophylloside B) is a C-21 steroidal glycoside isolated from Qingyangshen. Qingyangshengenin B protects against Aβ toxicity, which decreases Aβ deposition by decreasing the expression of Aβ at the mRNA level. Qingyangshengenin B has antiepileptic and anti-aging effects, it can extend lifespan, increase heat stress-resistance, delay body paralysis, and increase the chemotaxis response in C. elegans models of Alzheimer's disease. Otophylloside B can suppress the seizure-like locomotor activity caused by pentylenetetrazole in zebrafish.

1. Oleandrin (Folinerin), the principal cardiac glycoside component of PBI-524, can quantitatively account for regulation of BDNF at both the protein and transcriptional levels. 2. Oleandrin are known to inhibit the Na, K-ATPase pump, resulting in a consequent increase in calcium influx in heart muscle. 3. Oleandrin has stronger anti-proliferative activity in undifferentiated CaCO-2 cells (IC50, 8.25 nM) , causes an autophagic cell death and altered ERK phosphorylation in undifferentiated.

1. Bufotalin (Bufotaline)e is a kind of poisonous secretions of toads.

Diosgenin glucoside (Trillin) and other synthetic glycosides with similar activities may be of use in the management of hypercholesterolemia and atherosclerosis. Significant inhibition of Diosgenin glucoside synthesis and stimulation of solasodine glucosylation was found only with PC molecular species containing fatty acids with a chain length of 12-18 carbon atoms.

2,3-Didehydrosomnifericin is a compound isolated from Pteris oleifera, a plant of the Solanaceae family.

Glycocholic acid (Glycocholate) is a bile acid with anticancer activity. Glycocholic acid targets against pump resistance-related and non-pump resistance-related pathways.

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.

1. Periplogenin (Desoxostrophanthidin) plays protective roles against thyrotoxicosis and associated cardiovascular problems, are mediated through its direct antithyroidal and or LPO inhibiting properties.

Chenodeoxycholic acid (CDCA) is a bile acid, usually conjugated with either glycine or taurine. It acts as a detergent to solubilize fats for intestinal absorption and is reabsorbed by the small intestine. It is used as cholagogue, a choleretic laxative, and to prevent or dissolve gallstones.

Dioscin (Collettiside III) is a saponin with antitumor activities.

Polyphyllin II (Chonglou Saponin II) has hemostasis, expectorant, bacteriostasis, anticytotoxic, anti-pregnancy kill sperm effects.

Isodeoxycholic Acid is a bile acid that is formed via epimerization of deoxycholic acid by intestinal bacteria. It has a greater critical micelle concentration than DCA, indicating reduced detergent activity, and is less active than DCA in inhibiting growth in a panel of seven gut commensal bacteria species. Isodeoxycholic Acid(0.1%) inhibits spore germination induced by taurocholic acid in several C. difficile strains, as well as decreases the cytotoxicity of C. difficile culture supernatants to Vero cells. Plasma levels of isodeoxycholic acid are decreased in a rat model of high-fat diet-induced obesity compared with rats fed a normal diet.

Arenobufagin, a natural bufadienolide from toad venom, exhibits potent antineoplastic activity against HCC HepG2 cells and corresponding multidrug-resistant HepG2 ADM cells.

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.

Officinalisinin I can effectively reduce the blood glucose and protect nerve injuryin diabetic mice.

Withanolide A extends the lifespan in human EGFR-driven cancerous Caenorhabditis elegans.

1. Gamabufotalin (Gamabufagin) , a major bufadienolide of Chansu, has been used for treatment of COX-2-mediated diseases and cancer therapy due to its desirable metabolic stability and less adverse effect.

Protodioscin (Furostanol I) is a major steroidal saponin in dioscoreae rhizome, with anti-hyperlipidemia, anti-cancer properties.

7α-Hydroxy-4-cholesten-3-one is an intermediate in bile acid synthesis from cholesterol, a PXR agonist, and a biomarker for bile acid loss and diseases related to defective bile acid biosynthesis. It is also the physiological substrate for [CYP8B1].

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