产品
编 号:F254113
分子式:C46H58N4O14S
分子量:923.04
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10mM*1mL in DMSO
询价
询价
5mg
280
In-stock
10mg
448
In-stock
50mg
1682
In-stock
100mg
2730
In-stock
200mg
5130
In-stock
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生物活性:
Vincristine sulfate is an antitumor vinca alkaloid which inhibits microtubule formation in mitotic spindle, resulting in an arrest of dividing cells at the metaphase stage. It binds to microtubule with a Ki of 85 nM.

体内研究:
Vincristine (3 mg/kg, i.p.) induces mean growth delay of > 120 and > 52 day, and repopulates fractions of 0.06% and 5%, administrated in mice bearing bilateral subcutaneous xenografts Rh12 or Rh18, respectively.

体外研究:
Vincristine inhibits net addition of tubulin dimers at assembly ends of steady-state microtubules with Ki?of 85 nM.?Vincristine stabilizes the spindle apparatus resulting in failure of the chromosomes to segregate leading to metaphase arrest and inhibition of mitosis at low concentrations. At higher concentrations, Vincristine may disrupt and induce total depolymerization of microtubules.?Vincristine induces apoptosis in tumor cells and inhibits SH-SY5Y cell proliferation with IC50 of 0.1 μM. Vincristine induces mitotic arrest and promots the expression of caspase-3 and -9 and cyclin B, while decreasing the expression of cyclin D.?Vincristine induced neurotoxicity is caused by interference with microtubule function, which results in blockage of axonal transport and thus in axonal degeneration.
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