In contrast, no significant difference in Furin expression was observed in bronchial brush samples from asthmatic patients compared to healthy subjects.[25] Furthermore, it's notable that Furin expression is notably upregulated in tumors.[26, 27] Our findings align with previous research on Sema3E‐PlexinD1 function in tumors, indicating that P61‐Sema3E is the predominant form found in invasive and metastatic cancer cells.[13]. Here, FURIN is linked to cancer.