BCL2L1 and skin neoplasm: As epidemiological studies also showed that the expression of anti-apoptotic BCL-2 can be higher than the expression of BCL-xL and MCL-1 in skin cancer cells (D’Aguanno and del Bufalo 2020), BH3 mimetic substances are in the focus of research and clinical trials (Kehr and Vogler 2021).