OPN1SW and cancer: Recently, BCP has been reported to suppress the growth and proliferation of cancer cells, and induce their apoptosis and cell cycle arrest, including ovarian, lung, colorectal, breast, oral, skin, and liver cancers as well as leukemia cells (Mancinelli et al., 2017; Pavithra et al., 2018; Mboge et al., 2019; Arul et al., 2020; Dahham et al., 2021; Gu et al., 2021; Ahmed et al., 2022; Ramachandhiran et al., 2022).