m‑89

M-89, a highly potent and specific inhibitor of the menin-mixed lineage leukemia (Menin-MLL) protein-protein interaction, exhibits a Kd of 1.4 nM for menin binding. This compound holds potential for treating MLL leukemia.

M‑89 is a Highly Potent Inhibitor of the Menin-Mixed Lineage Leukemia (Menin-MLL) Protein−Protein Interaction (Kd = 1.4 nM; IC50 = 25nM). M-89 binds to menin with a Kd value of 1.4 nM and effectively engages cellular menin protein at low nanomolar concentrations. M-89 inhibits cell growth in the MV4;11 and MOLM-13 leukemia cell lines carrying MLL fusion with IC50 values of 25 and 55 nM, respectively, and demonstrates >100-fold selectivity over the HL-60 leukemia cell line lacking MLL fusion.

Inostamycin A is a bacterial metabolite that has been found inStreptomycesand has anticancer activity.1It is an inhibitor of CDP-diacylglycerol:inositol 3-phosphatidyltransferase (IC50= 0.02 μg/ml in A431 cell membranes) and is selective for CDP-diacylglycerol:inositol 3-phosphatidyltransferase over phospholipase C (PLC) and phosphatidylinositol kinase at 10 μg/ml.2Inostamycin A decreases viability of YCU-T892, KCC-TC873, KB, HSC-4, and YCU-T891 oral squamous cell carcinoma (OSCC) cells in a concentration-dependent manner.3It induces cell cycle arrest in the G1phase in HSC-4 cells when used at a concentration of 250 ng/ml and induces apoptosis in Ms-1 small cell lung cancer cells at 300 ng/ml.3,4Inostamycin A also reduces levels of matrix metalloproteinase-2 (MMP-2) and MMP-9 and inhibits EGF-induced migration of HSC-4 cells.5 1.Imoto, M., Umezawa, K., Takahashi, Y., et al.Isolation and structure determination of inostamycin, a novel inhibitor of phosphatidylinositol turnoverJ. Nat. Prod.53(4)825-829(1990) 2.Imoto, M., Taniguchi, Y., and Umezawa, K.Inhibition of CDP-DG: inositol transferase by inostamycinJ. Biochem.112(2)299-302(1992) 3.Baba, Y., Tsukuda, M., Mochimatsu, I., et al.Cytostatic effect of inostamycin, an inhibitor of cytidine 5'-diphosphate 1,2-diacyl-sn-glycerol (CDP-DG): inositol transferase, on oral squamous cell carcinoma cell linesCell Biol. Int.25(7)613-620(2001) 4.Imoto, M., Tanabe, K., Simizu, S., et al.Inhibition of cyclin D1 expression and induction of apoptosis by inostamycin in small cell lung carcinoma cellsJpn. J. Cancer Res.89(3)315-322(1998) 5.Baba, Y., Tsukuda, M., Mochimatsu, I., et al.Inostamycin, an inhibitor of cytidine 5'-diphosphate 1,2-diacyl-sn-glycerol (CDP-DG): Inositol transferase, suppresses invasion ability by reducing productions of matrix metalloproteinase-2 and -9 and cell motility in HSC-4 tongue carcinoma cell lineClin. Exp. Metastasis18(3)273-279(2000)

Iptacopan hydrochloride hydrate is a highly potent and highly selective factor B inhibitor.

Methylchloroisothiazolinone/methylisothiazolinone mixture (MCIT/MIT) is a mixture of isothiazolinone-derived biocides.1,2It is effective against Gram-positive and Gram-negative bacteria with MIC values of 0.0002, 0.0002, 0.00005, and 0.00005% (w/w) forS. aureus,P. aeruginosa,A. niger, andC. albicans, respectively.2MCIT/MIT can elicit contact sensitization.3Formulations containing MCIT/MIT have been used for controlling microbial growth in industrial and household products. 1.Frenzel, E., Schmidt, S., Niederweis, M., et al.Importance of porins for biocide efficacy against Mycobacterium smegmatisApplied and Environmental Microbiology77(9)3068-3073(2011) 2.Lundov, M.D., Johansen, J.D., Zachariae, C., et al.Low-level efficacy of cosmetic preservativesInt. J. Cosmet. Sci.33(2)190-196(2011) 3.Scherrer, M.A.R., and Rocha, V.B.Increasing trend of sensitization to methylchloroisothiazolinone/methylisothiazolinone (MCI/MI)An. Bras. Dermatol.89(3)527-528(2014)