Relationship Between PD-L1, PD-1, CD8 and Clinicopathological Factors in Primary SCCs.
Dermatology practical & conceptual(2024)
摘要
INTRODUCTION:Squamous cell carcinoma of the skin (SCCs) is the second most common skin cancer, with continuously increasing incidence. Programmed cell death ligand 1 (PD-L1), programmed cell death 1 receptor (PD-1), and CD8 expression in primary SCCs have not been described in many studies.
OBJECTIVE:We investigated the association between PD-L1, PD-1, CD8, and clinicopathological prognostic factors for recurrence, metastasis, and mortality of SCCs.
PATIENTS AND METHODS:Immunohistochemically stained sections of 100 primary SCCs divided into two groups according to diameter of the tumors (<20 mm and >20 mm) were assessed. Recombinant rabbit anti-PD-L1 antibody [SP142] - C-terminal, rabbit monoclonal anti-PD1 antibody [NAT105], and FLEX Mono Mo A-Hu CD8, cl C8/144B, RTU were used.
RESULTS:We did not establish statistically significant differences between PD-L1, PD-1, CD8 expression, and high-risk clinicopathological features - tumor size >20 mm, depth >6 mm, poor tumor cell differentiation, perineural/lymphovascular invasion, low/absent lymphocyte stromal reaction.
CONCLUSIONS:In primary SCCs, the expression of PD-L1, PD-1, and CD8 are not associated with high-risk clinicopathological factors. We suggest that these immunohistochemical markers are more significant in advanced cases and metastatic tissues.
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关键词
squamous cell carcinoma of the skin,PD-L1,PD-1,CD8,High-risk clinicopathological factors
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