KRTAP5-4 and colorectal carcinoma: Dong et al. proved also that lncRNA breast cancer anti-estrogen resistance 4 (BCAR4), mRNA keratin-associated protein 5-4 (KRTAP5-4), and mRNA melanoma antigen family A3 (MAGEA3) were overexpressed in the serum exosomes of CRC patients [44].