The proteomic analysis of CALD1 protein expression in the CCLE revealed that ovarian tumor exhibited higher levels of CALD1 expression compared to various primary tumors, including lung cancer, breast cancer, head and neck cancer, esophageal cancer, pancreatic cancer, gastric cancer, colon/colorectal cancer, myeloma, leukemia, lymphoma, and the data were statistically significant (Fig. 4). Here, CALD1 is linked to head and neck cancer.