Abstract
Cutaneous squamous cell carcinoma (CSCC) is a malignant tumor originating from keratinocytes in the epidermis, which seriously affects people's life safety. Heat shock proteins (HSPs) are molecular chaperones that help maintain protein stability and are involved in tumor activities. However, there is currently no systematic study of HSPs in CSCC. In this study, we used qPCR and WB to explore the expression of 14 HSPs at mRNA and protein levels in human immortalized keratinocytes HACAT cells, human CSCC cell lines COLO-16 and SCL-1 cells, and collected human CSCC samples for histological verification. Eventually, we found that the expression levels of different HSPs in CSCC were different. HSPB6, HSPB8 and HSPB11 showed no dysregulation in CSCC. HSPB4, HSPB5, HSPB7, HSPB10 and HSP40 were significantly upregulated in CSCC cells, while HSPB1, HSPB9, HSP60, HSP70, HSP90 and HSP100 were significantly downregulated. In summary, we validated the expression of 14 common HSPs in CSCC, which may lay the foundation for the study of HSPs in CSCC.
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