Fig. 7From: Cytotoxic activity of NN-32 toxin from Indian spectacled cobra venom on human breast cancer cell linesLysosomal activity of breast cancer cell lines treated with NN-32 toxin for 72 h, determined by neural red uptake assay. a MCF-7 cell line and, (b) MDA-MB-231 cell line. Values are expressed as mean ± Std. Dev (n = 3)Back to article page