Ansatrienin B

Ansatrienin B

CAT N°: 21996
Price:

533.00 453.05

Ansatrienin B is an ansamycin antibiotic and antifungal agent first isolated from S. collinus and S. rishiriensis.{37029},{37026} In fetal rat long bones, it is an inhibitor of parathyroid hormone-induced calcium release (IC50 = 21 nM), which is a measure of bone resorption, and pp60c-src kinase (IC50 = 50 nM).{37028} It is an inhibitor of translation at the protein synthesis stage by specific inhibition of L-leucine incorporation (IC50 = 58 nM in A549 cells).{37025} It also inhibits TNF-?-induced expression of intercellular adhesion molecule-1 (ICAM-1; IC50 = 300 nM). Early in vitro studies showed that ansatrienin B potentiates the chemotherapeutic action of 5-fluorouracil (Item No. 14416), cisplatin (Item No. 13119), bleomycin (Item No. 13877), mitomycin C (Item No. 11435), and 6-mercaptopurine.{37027} Ansatrienin B is a hydroquinone form of ansatrienin A (Item No. 21995).{37026}

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