t47d

PK11000 is a p53 targeting compound, has anti-tumor activities through activation of unstable p53.

Estrone sulfate sodium (17β-Estrone 3-sulfate) is an endogenous steroid and an estrogen ester that is biologically inactive. It is converted by steroid sulfatase into estrone . Estrone sulfate sodium has been investigated as a ligand for targeting organic anion transporting polypeptides f

Cyclophosphamide is an alkylating agent type of anti-tumor drug, and its main target is DNA. Cyclophosphamide inhibits the proliferation of tumor cells by undergoing alkylation reactions with DNA, interfering with the replication and transcription processes of DNA.

Fludarabine (Fludarabinum) is a fluorinated purine analog, an inhibitor of nucleic acid synthesis and an inhibitor of STAT1 activation. Fludarabine has antitumor activity and can be used for the treatment of leukemia and lymphoma.

Fulvestrant (ZM 182780) is an estrogen receptor (ER) antagonist (IC50=9.4 nM) and an agonist of GPR30. Fulvestrant has antitumor activity, inhibiting cell proliferation and inducing apoptosis and autophagy.

4-Hydroxytamoxifen (ICI 79280) is the active metabolite of Tamoxifen, an estrogen receptor modulator (SERM) with selective and oral potency. 4-Hydroxytamoxifen has antitumor activity and may be used in breast cancer research.

Imeglimin hydrochloride (EMD 387008 hydrochloride) is an oral hypoglycemic agent. Imeglimin improves insulin sensitivity, inhibits the production of reactive oxygen species, increases mitochondrial DNA, and improves mitochondrial function.

Asperphenamate is a fungal metabolite of Aspergillus flatiipes. The IC50s for T47D cells, MDA-MB-231 cells, and HL-60 cells are 92.3 μM, 96.5 μM, and 97.9 μM. Asperphenamate shows an anticancer effect.

Cis-22a is a TRPV6 inhibitor (IC50 = 0.32 μM), which exhibits selectivity against related TRPV channels and calcium channels. cis-22a displays antiproliferative effects on T47D human breast cancer cells.

Mifepristone (C-1073) is a progesterone-receptor (IC50=0.2 nM) and glucocorticoid-receptor antagonist (IC50=2.6 nM). Mifepristone is used to terminate pregnancy, treat uterine fibroids, and treat endometriosis.

Lovastatin (MK-803) is an HMG-CoA reductase inhibitor (IC50=3.4 nM). Lovastatin lowers cholesterol and is commonly used as a lipid-lowering agent in the treatment of hypercholesterolemia.

Sertindole (Lu 23-174) is an atypical antipsychotic that binds to dopamine D2 receptors and serotonin (5-HT) receptor subtypes 5-HT1D, 5-HT2A, and 5-HT2C, with Kds of 2.7, 20, 0.14, and 6 nM, respectively.

Capsaicin is an active natural component found in chili peppers and acts as a TRPV1 agonist (EC50 = 0.29 μM). It possesses multiple activities, including pain relief, antitumor, anti-inflammatory, antioxidant, and neuroprotective effects, as well as some neurotoxicity. Capsaicin can be used to establish itch models.

ERD-308 induces >95% of ER degradation at concentrations as low as 5 nM in both cell lines (DC50 (concentration causing 50% of protein degradation) of 0.17 nM and 0.43 nM in MCF-7 and T47D ER+ cells, respectively).ERD-308 is a highly potent PROTAC degrade

XJTU-L453, a PI3Kα inhibitor, exhibits an IC50 of 0.4 nM. It inhibits the proliferation of breast cancer cell lines T47D and MCF7, with IC50 values of 0.2 μM and 0.5 μM respectively. Additionally, XJTU-L453 disrupts the PI3K pathway, leading to cell cycle arrest and cell apoptosis (apoptosis). It also demonstrates antitumor activity in MCF7 xenograft mice.

(E Z)-Droloxifene is a mixture comprising (E)-Droloxifene, known as a selective estrogen receptor modulator, and (Z)-Droloxifene. (E)-Droloxifene binds to estrogen receptors (ER) in rabbit uterine homogenate with an IC50 of 24 nM. It increases uterine weight in immature rats and reduces the uterine weight increase caused by estradiol in juvenile rats. Additionally, (E)-Droloxifene inhibits the growth of human breast cancer cells MCF-7, ZR-75-1, and T47D stimulated by 17β-estradiol. In contrast, (Z)-Droloxifene shows weak binding to ER and exhibits neither estrogenic nor anti-estrogenic activity.

PROTACERα Degrader-10 (Compound 160a) is an orally bioavailable ERα degrader with a DC50 of 0.37-1.1 nM in MCF7, T47D, and CAMA-1 cells. It demonstrates antitumor activity in mouse models.

PROTAC PARP1 degrader-4 (Compound 180055) is a selective PARP1 PROTAC degrader, demonstrating DC50 values of 180 nM and 240 nM in T47D and MDA-MB-231 cell lines, respectively. It facilitates the ubiquitination and degradation of PARP1 and inhibits its enzymatic activity without causing significant DNA trapping effects. Additionally, PROTAC PARP1 degrader-4 can inhibit tumors with BRCA gene mutations while having minimal impact on the growth of normal cells.

PTP1B-IN-30 (Compound 3j) is an inhibitor of PTP1B with an IC50 of 0.51 µM. It suppresses the proliferation of T47D cancer cells with an IC50 of 21.21 µM, induces cell cycle arrest at the S phase, and triggers apoptosis in T47D cells.

17β-hydroxy Exemestane is the primary active metabolite of exemestane . It is formed by metabolism of exemestane by the cytochrome P450 (CYP) isoforms CYP1A and CYP4A11. 17β-hydroxy Exemestane is an aromatase inhibitor (IC50 = 69 nM using human placental microsomes) and an androgen receptor (AR) agonist (IC50 = 39.6 nM) that is selective for AR over estrogen receptor α (ERα; IC50 = 21.2 μM). It stimulates growth of AR- and ERα-positive MCF-7 (EC50 = 2.7 μM) and T47D breast cancer cells (EC50s = 0.43 and 1,500 nM for AR- and ER-mediated growth, respectively) and inhibits proliferation of testosterone-treated aromatase-overexpressing MCF-7aro cells in a concentration-dependent manner. 17β-hydroxy Exemestane (20 mg/kg) inhibits increases in serum cholesterol and LDL levels and prevents decreases in bone mineral density in the lumbar vertebrae and femur, as well as femoral bending strength and compressive strength of the fifth lumbar vertebrae, in ovariectomized rats.

CAY10744 is a topoisomerase II-α poison.1 It inhibits topoisomerase II-α by 78.9% when used at a concentration of 20 μM. CAY10744 is selective for topoisomerase II-α over topoisomerase I providing 100 and 0% inhibition, respectively, at 100 μM. It inhibits proliferation of HCT15 colon, T47D breast, DU145 prostate, and HeLa cervical cancer cells (IC50s = 0.014, 0.00267, 0.072, and 2.46 μM, respectively). CAY10744 induces apoptosis in T47D cells when used at concentrations of 10 and 30 μM. CAY10744 (12 mg/kg per day) reduces tumor growth in an MDA-MB-231 orthotopic mouse model of breast cancer. |1. Kadayat, T.M., Park, S., Shrestha, A., et al. Discovery and biological evaluations of halogenated 2,4-diphenyl indeno[1,2-b]pyridinol derivatives as potent topoisomerase IIa-targeted chemotherapeutic agents for breast cancer. J. Med. Chem. 62, 8194-8234 (2019).

Pituitary adenylate cyclase-activating peptide (PACAP) (6-27) is a PACAP receptor antagonist with IC50 values of 1,500, 600, and 300 nM, respectively, for rat PAC1, rat VPAC1, and human VPAC2 recombinant receptors expressed in CHO cells. It binds to PACAP receptors on SH-SY5Y and SK-N-MC human neuroblastoma and T47D human breast cancer cells (IC50s = 24.5, 106, and 105 nM, respectively) and inhibits cAMP accumulation induced by PACAP (1-38) (Kis = 457, 102, and 283 nM, respectively, in SH-SY5Y, SK-N-MC, and T47D cells). In vivo, in newborn pigs, PACAP (6-27) (10 μM) inhibits vasodilation of pial arterioles induced by PACAP (1-27) and PACAP (1-38) . It also inhibits PACAP (1-27)-stimulated increases in plasma insulin and glucagon levels and pancreatic venous blood flow in dogs when administered locally to the pancreas at a dose of 500 μg.

CAY10770 is an inhibitor of the cytochrome P450 (CYP) isoform CYP4Z1 (IC50= 5.9 μM).1It is selective for CYP4Z1 over CYP4A11, CYP4F2, CYP4F3a, CYP4F3b (IC50s = 187-282 μM) but does inhibit CYP4F8 and CYP4F12 (IC50s = 167 and 91 μM, respectively). CAY10770 (3 μM) inhibits the production of 14(15)-EET, 19-HETE, and 14(15)-DiHET by 83, 86, and 80%, respectively, in T47D breast cancer cells expressing CYP4Z1. 1.Kowalski, J.P., McDonald, M.G., Pelletier, R.D., et al.Design and characterization of the first selective and potent mechanism-based inhibitor of cytochrome P450 4Z1J. Med. Chem.63(9)4824-4836(2020)

Nocardamine is a ferrioxamine siderophore that has been found inStreptomycesand has diverse biological activities.1,2,3,4It chelates iron in a chrome azurol S assay (IC50= 9.9 μM).1Nocardamine inhibitsM. smegmatisandM. bovisbiofilm formation (MIC = 10 μM for both), an effect that can be reversed by iron.2It is cytotoxic to T47D, SK-MEL-5, SK-MEL-28, and RPMI-7951 cancer cells (IC50s = 6, 18, 12, and 14 μM, respectively).3Nocardamine also induces morphological changes in BM-N4 insect cells.4 1.Lopez, J.A.V., Nogawa, T., Futamura, Y., et al.Nocardamin glucuronide, a new member of the ferrioxamine siderophores isolated from the ascamycin-producing strain Streptomyces sp. 80H647J. Antibiot. (Tokyo)72(12)991-995(2019) 2.Ishida, S., Arai, M., Niikawa, H., et al.Inhibitory effect of cyclic trihydroxamate siderophore, desferrioxamine E, on the biofilm formation of Mycobacterium speciesBiol. Pharm. Bull.34(6)917-920(2011) 3.Kalinovskaya, N.I., Romaneko, L.A., Irisawa, T., et al.Marine isolate Citricoccus sp. KMM 3890 as a source of a cyclic siderophore nocardamine with antitumor activityMicrobiol. Res.166(8)654-661(2011) 4.Matsubara, K., Sakuda, S., Tanaka, M., et al.Morphological changes in insect BM-N4 cells induced by nocardamineBiosci. Biotechnol. Biochem.62(10)2049-2051(1998)