BLZ945 (Synonyms: BLZ945) |
| Catalog No.GC12539 |
BLZ945 (BLZ945) is a potent, selective and brain-penetrant CSF-1R (c-Fms) inhibitor with an IC50 of 1 nM, showing more than 1,000-fold selectivity against its closest receptor tyrosine kinase homologs.
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Cas No.: 953769-46-5
Sample solution is provided at 25 µL, 10mM.
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BLZ945, also named as 4-[2((1R,2R)-2-Hydroxycyclohexylamino)-benzothiazol-6-yloxyl]-pyridine- 2-carboxylic acid methylamide , is a small molecule inhibitor of CSF-1R kinase with IC50 value of 1.2 nM. [2]
CSF-1R is the receptor for macrophage colony stimulating factor (M-CSF) which mediates the biological effects of this cytokine. The main biological effects of CSF-1R signaling are differentiation, proliferation, migration and survival of precursor macrophages and osteoclasts from the monocytic lineage [1].
BLZ945 has the potential to treat an array of diseases associated with normal and deregulated function of precursor macrophages and osteoclasts from the monocytic lineage. [14C]BLZ945 metabolites were kinetically and structurally characterized from an in vitro across species comparison study using human hepatocytes and microsomes. Both compounds BLZ945 and M9 have significant anti-proliferative activity against the M-CSF dependent cell line MNFS-60 with EC50 of 71 and 140 mM, respectively. The biotransformation of BLZ945 in human liver micro-omes and recombinant cytochromes occurred predominantly via oxidative routes with also a secondary reductive pathway. [2]
BLZ945 decreased the growth of malignant cells in the mouse mammary tumor virus-driven polyomavirus middle T antigen (MMTV-PyMT) model of mammary carcinogenesis. BLZ945 prevented tumor progression in the keratin 14-expressing human papillomavirus type 16 (K14-HPV-16) transgenic model of cervical carcinogenesis. [3]
References:
[1]. Stanley ER, Berg KL, Einstein DB et al. Biology and action of colony--stimulating factor-1. Mol Reprod Dev. 1997 Jan;46(1):4-10.
[2]. Krauser JA, Jin Y, Walles M et al. Phenotypic and metabolic investigation of a CSF-1R kinase receptor inhibitor (BLZ945) and its pharmacologically active metabolite. Xenobiotica. 2015 Feb;45(2):107-23.
[3]. Strachan DC, Ruffell B2, Oei Y et al. CSF1R inhibition delays cervical and mammary tumor growth in murine models by attenuating the turnover of tumor-associated macrophages and enhancing infiltration by CD8+ T cells. Oncoimmunology. 2013 Dec 1;2(12):e26968.
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