Identification of stemness-related glycosylation changes in head and neck squamous cell carcinoma

BMC Cancer. 2024 Apr 10;24(1):443. doi: 10.1186/s12885-024-12161-5.

Abstract

Background: Altered glycosylation is a hallmark of cancer associated with therapy resistance and tumor behavior. In this study, we investigated the glycosylation profile of stemness-related proteins OCT4, CIP2A, MET, and LIMA1 in HNSCC tumors.

Methods: Tumor, adjacent normal tissue, and blood samples of 25 patients were collected together with clinical details. After tissue processing, lectin-based glycovariant screens were performed.

Results: Strong correlation between glycosylation profiles of all four stemness-related proteins was observed in tumor tissue, whereas glycosylation in tumor tissue, adjacent normal tissue, and serum was differential.

Conclusions: A mannose- and galactose-rich glycosylation niche associated with stemness-related proteins was identified.

Keywords: Bioaffinity assay; Glycosylation; HNSCC; Lectin; Stemness.

MeSH terms

  • Carcinoma, Squamous Cell* / pathology
  • Cell Line, Tumor
  • Cytoskeletal Proteins / metabolism
  • Glycosylation
  • Head and Neck Neoplasms*
  • Humans
  • Squamous Cell Carcinoma of Head and Neck

Substances

  • LIMA1 protein, human
  • Cytoskeletal Proteins