Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Chondroitin Sulfate Proteoglycan 4 as a Marker for Aggressive Squamous Cell Carcinoma

Version 1 : Received: 8 November 2022 / Approved: 9 November 2022 / Online: 9 November 2022 (01:08:57 CET)

A peer-reviewed article of this Preprint also exists.

Chen, K.; Yong, J.; Zauner, R.; Wally, V.; Whitelock, J.; Sajinovic, M.; Kopecki, Z.; Liang, K.; Scott, K.F.; Mellick, A.S. Chondroitin Sulfate Proteoglycan 4 as a Marker for Aggressive Squamous Cell Carcinoma. Cancers 2022, 14, 5564. Chen, K.; Yong, J.; Zauner, R.; Wally, V.; Whitelock, J.; Sajinovic, M.; Kopecki, Z.; Liang, K.; Scott, K.F.; Mellick, A.S. Chondroitin Sulfate Proteoglycan 4 as a Marker for Aggressive Squamous Cell Carcinoma. Cancers 2022, 14, 5564.

Abstract

Chondroitin sulfate (CS) proteoglycan 4 (CSPG4) is a cell surface proteoglycan that is currently under investigation as a marker of cancer malignancy, and as a potential target of anticancer drug treatment. CSPG4 acts as a driver of tumourigenesis by regulating turnover of the extracellular matrix (ECM) to promote tumour cell invasion, migration as well as inflammation and angiogenesis. While CSPG4 has been widely studied in certain malignancies, such as melanoma, evidence is emerging from global gene expression studies, which suggests a role for CSPG4 in squamous cell carcinoma (SCC). While relatively treatable, lack of widely agreed upon diagnostic markers for SCCs is problematic, especially for clinicians managing certain patients, including those who are aged or infirm, as well as those with underlying conditions such as epidermolysis bullosa (EB), for which a delayed diagnosis is likely lethal. In this review, we have discussed the structure of CSPG4, and quantitatively analysed CSPG4 expression in the tissues and pathologies where it has been identified. The aim of this review has been to collate the information available from functional studies and recent transcriptome analysis to determine the usefulness of CSPG4 expression as a diagnostic marker and therapeutic target in management of malignant SCC.

Keywords

chondroitin sulfate proteoglycan; cutaneous squamous cell carcinoma; head and neck squamous cell carcinoma; cancer biomarker; gene expression.

Subject

Biology and Life Sciences, Biochemistry and Molecular Biology

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