PARP1 and skin basal cell carcinoma: In good agreement with the qPCR data, we found upregulation of the protein levels of PARP1 (average fold change of ~ 2.3 in BCC and SCC CAFs) and TFAM (average fold change of ~ 2.4 in BCC CAFs and ~ 2.6 in SCC CAFs) in both CAF populations.