Pironetin

Pironetin

CAT N°: 28853
Price:

365.00 310.25

Pironetin is a bacterial metabolite originally isolated from Streptomyces that has diverse biological activities, including anti-proliferative, immunosuppressive, and plant growth regulatory properties.{46452,46453,46454,46455} It binds to tubulin with a Kd value of 0.33 ?M and increases the critical concentration (CrC) for tubulin assembly in glycerol-assembling buffer (GAB) at a concentration of 25 ?M.{46453,46454} It also induces G2/M phase cell cycle arrest in 3Y1 rat fibroblasts and apoptosis in HL-60 human leukemia cells when used at concentrations of 50 ng/ml and 33 nM, respectively.{46453,46456} It inhibits the growth of HT-29 human colorectal and MCF-7 human breast cancer cells (IC50s = 6.4 and 6 nM, respectively) but also of non-cancerous human HEK293 cells (IC50 = 17 nM). It also inhibits the growth of A2780 human ovarian carcinoma cells, as well as of the drug-resistant, P-glycoprotein-expressing A2780AD subline (IC50s = 8 and 25 nM, respectively). Pironetin (5 mg/kg) decreases the generation of cytotoxic T lymphocytes in mice in response to immunization by EL4 allogeneic mouse T lymphocytes.{46455} It also inhibits rice plant growth by 23% when applied nine days prior to heading.{46452}

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