BCL2 and cancer: We examined the expression of pro‐ and antiapoptotic proteins—Bax, Bcl‐2, Bcl‐2l, Bak‐1, apoptosis/necrosis‐related proteins ripk1, ripk3, and p53 and caspases which related to apoptosis—3, 8, 9, and parp1 in neuron‐glial culture, fibroblasts and BT‐474 cancer cells by RT‐qPCR analysis.