NITD-349 _Bacterial 抑制劑 - MedChemExpress

1、Hotline: 400-820-3792Inhibitors Agonists Screening Librarieswww.MedChemENITD-349Cat. No.: HY-109588CAS No.: 1473450-62-2分式: CHFNO分量: 306.35作靶點: Bacterial作通路: Anti-infection儲存式: Powder -20C 3 years4C 2 yearsIn solvent -80C 6 months-20C 1 month溶解性數(shù)據(jù)體外實驗 DMSO : 310 mg/mL (1011.91 mM)* means soluble, bu

2、t saturation unknown.Mass Solvent1 mg 5 mg 10 mg Concentration制備儲備液1 mM 3.2642 mL 16.3212 mL 32.6424 mL5 mM 0.6528 mL 3.2642 mL 6.5285 mL10 mM 0.3264 mL 1.6321 mL 3.2642 mL請根據(jù)產(chǎn)品在不同溶劑中的溶解度，選擇合適的溶劑配制儲備液，并請注意儲備液的保存式和期限。BIOLOGICAL ACTIVITY物活性 NITD-349MmpL3 的抑制劑，具有效的抗分枝桿菌活性，對結(jié)合分歧桿菌H37Rv的 MIC50 值為23 nM。IC

3、50 & Target MIC50: 23 nM (Mycobacterium tuberculosis H37Rv) 1體外研究NITD-349 shows bactericidal activity against in vitro replicating Mycobacterium tuberculosis (Mtb) and alsoare active against intramacrophage Mtb. Kill kinetic analysis of these compounds showed both concentration-1/2 Master of Small M

4、olecules 您邊的抑制劑師www.MedChemEand time-dependent killing of Mtb cells with 3- to 4-log colony-forming unit (CFU) reductionwithin 3 days oftreatment. The cidal activity profile of NITD-304 is similar to that of isoniazid for which rapid killing is noticedat concentrations greater than 0.2 M. The MIC ac

5、tivity of NITD349 against various MDR Mtb strains rangesfrom 0.04 to 0.08 M. NITD-349 shows high permeability and moderate in vitro metabolic clearance in mouseand human hepatic microsomes 1.體內(nèi)研究 In the acute murine efficacy modelNITD-349 shows favorable oral pharmacokinetic (PK) properties in roden

6、tsand dogs and are efficacious in mouse models of both acute and chronic Mycobacterium tuberculosisinfection. In the acute murine efficacy model, treatment of mice with NITD-349 at doses of 12.5 and 50 mg/kgresulted in 0.9- and 3.4-log CFU reduction in lung tissue. In an established infection mouse

7、model, after 2weeks of treatment, the efficacy of NITD-349 is comparable to the first-line TB drug rifampicin and is betterthan ethambutol. Four weeks of treatment at 100 mg/kg with NITD-349 results in 2.38-log CFU reductions 1.PROTOCOLCell Assay 1 For determining growth inhibition against nine dive

8、rse MDR Mtb clinical isolates, pellet formation method isused. MIC is defined as the minimum concentration of the drug required to inhibit 50% of H37Rv growth or99% of growth in MDR clinical isolates after 5 or 10 days of incubation, respectively. Five milliliters of H37Rvculture (1 107 CFU/mL) is i

9、ncubated with varying concentrations of NITD-349 for 6 days at 37C, and analiquot of culture is plated onto Middlebrook 7H11 agar plates; the CFU are enumerated after incubatingplates for 3 weeks in a 37C incubator 1.MCE has not independently confirmed the accuracy of these methods. They are for ref

10、erence only.Animal Mouse: In the acute murine efficacy model, mice are orally treated with a daily dose of NITD-349 (12.5, 25,Administration 1 37.5, 50 mg/kg) for 4 weeks, 1 week after intranasal infection with low-dose Mtb (1000 CFU). Bacterial loadin lungs (mean SD from six mice per group and per

11、time point) is analyzed after treatment by enumeratingCFU 1.MCE has not independently confirmed the accuracy of these methods. They are for reference only.REFERENCES1. Rao SP, et al. Indolcarboxamide is a preclinical candidate for treating multidrug-resistant tuberculosis. Sci Transl Med. 2013 Dec4;5(214):214ra168.McePdfHeightCaution: Product has not