HNRNPA2B1 and urinary bladder carcinoma: For example, Chen et al. found that exosomal lncRNA LNMAT2 recruited hnRNPA2B1 to the PROX1 promoter to upregulate PROX1 expression by directly interacting with hnRNPA2B1, leading to lymphangiogenesis and lymphatic metastasis in bladder cancer (155).