UCHL1 is notably expressed in NEPC and SCLC, promotes cell growth in NEPC (NCI‐H660), NE‐like (DU145), and SCLC (NCI‐H82) cancer cell line, and upregulates NE signatures in CRPC‐adeno (22RV1) cell line in vitro.161. Here, UCHL1 is linked to small cell lung carcinoma.