Fig. 2From: Solamargine, a bioactive steroidal alkaloid isolated from Solanum aculeastrum induces non-selective cytotoxicity and P-glycoprotein inhibitionP-gp inhibitory potential in the SH-SY5Y neuroblastoma cell line when exposed to the a) crude extract, b) diethyl ether fraction, c) chloroform fraction and d) aqueous alkaloid-enriched fraction. PC: verapamil (1 μM). * p < 0.05, ** p < 0.01, *** p < 0.001Back to article page