NRP1, serving as a key factor of SARS-CoV-2 virus infection (41), could increase the susceptibility of cancer patients to SARS-CoV-2 virus and targeting (42), and its overexpression is associated with poor prognosis in bladder cancer cells and hepatocellular carcinoma, and inhibiting its expression could promote tumor cell apoptosis (43, 44). Here, NRP1 is linked to cancer.