CAS Number: 465-21-4 
Purity: ≥98% 
Molecular Weight: 386.5 
Molecular Formula: C24H34O4 
Specification: 20mg 
Appearance: White to off-white powder 
Physical State: Solid 
Solubility: Soluble in chloroform (5 mg/ml), DMSO (25 mg/ml), and 100% ethanol (25 mg/ml,warm). 
Storage: Desiccate at -20° C 
Melting Point: 235-236 °C 
Boiling Point: 556.57 °C at 760 mmHg (Predicted) 
Density: 1.23 g/cm3 (Predicted) 
Refractive Index: n20D 1.59 (Predicted) 
Application: An inducer of U937 and HL-60 apoptosis and cell differentiation 
Bufalin, is a cardiotonic steroid originally isolated from the Chinese toad venom. Experiments have shown Bufalin to have demonstrated apoptotic and cell differentiation inducing properties in U-937 (sc-2239) cells through activation of AP-1 via a mitogen-activated protein kinase cascade. In conjunction, research has shown Bufalin to be an inhibitor of Na+/K+-ATPase which causes downregulation of mRNA transcripts encoding several isoforms of 14-3-3 gene. 14-3-3 proteins are multifunctional regulatory proteins, and the reduction in the abundance of various isoforms has been shown to have profound effects on cell function. Other studies have noted an enhancement of retinoic acid-induced differentiation of HL-60 (sc-2209) cells in primary culture.

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