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Biology of Oral Cancer

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Oncology".

Deadline for manuscript submissions: 10 December 2025 | Viewed by 113

Special Issue Editor


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Guest Editor
Department of Pathomorphology, Medical University of Gdansk, 17 Mariana Smoluchowskiego Street, 80-214 Gdansk, Poland
Interests: oral cancer; molecular mechanisms; biomarkers; tumor microenvironment; therapy resistance; precision medicine; carcinogenesis; oral squamous cell carcinoma; epigenetics; microbiome; immunotherapy; liquid biopsy

Special Issue Information

Dear Colleagues,

Oral cancer remains a significant global health challenge, with an increasing incidence and high mortality rates despite advancements in therapy. Recent progress in molecular biology has provided deeper insights into genetic and epigenetic alterations driving oral carcinogenesis, tumor progression, and treatment resistance. This Special Issue of IJMS aims to provide a comprehensive platform for the latest research on the molecular mechanisms underlying oral cancer biology.

We particularly welcome original research and review articles focusing on the following areas:

  • Genomic and epigenetic alterations in oral cancer initiation and progression.
  • Novel molecular biomarkers for early detection and prognosis.
  • Mechanisms of therapy resistance and tumor recurrence.
  • Interactions between oral microbiome and cancer development.
  • Tumor microenvironment and immune evasion strategies.
  • Emerging targeted therapies and immunotherapeutic approaches.
  • Liquid biopsy applications in oral cancer management.
  • Molecular pathways of field cancerization and premalignant lesions.

This Special Issue is supervised by Dr. Rafał Pęksa and assisted by our Topical Advisory Panel Member Dr. Paulina Adamska (Medical University of Gdańsk, https://www.mdpi.com/journal/ijms/topical_advisory_panel?search=Paulina+Adamska).

This Special Issue encourages interdisciplinary approaches combining molecular biology, pathology, immunology, and clinical research to promote the comprehensive understanding of oral cancer biology. We particularly value studies that bridge fundamental molecular discoveries with potential clinical applications, advancing the field toward precision oncology for oral cancer patients.

Research utilizing cutting-edge technologies, such as single-cell sequencing, spatial transcriptomics, multi-omics integration, and artificial intelligence applications, is especially encouraged to uncover novel insights into oral cancer biology and therapeutic vulnerabilities. By emphasizing molecular-level findings, this Special Issue offers a valuable resource for researchers and clinicians striving to improve diagnostic accuracy and therapeutic efficacy in oral cancer management.

Dr. Rafał Pęksa
Guest Editor

Manuscript Submission Information

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Keywords

  • oral cancer
  • molecular mechanisms
  • biomarkers
  • tumor microenvironment
  • therapy resistance
  • precision medicine
  • carcinogenesis
  • oral squamous cell carcinoma
  • epigenetics
  • microbiome
  • immunotherapy
  • liquid biopsy

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Published Papers (1 paper)

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Research

13 pages, 1287 KiB  
Article
TrkA Expression as a Novel Prognostic Biomarker in Oral Squamous Cell Carcinoma
by Aleksandra Ciarka, Filip Skowronek, Przemysław Miłosz, Michał Kunc, Robert Burdach, Monika Sakowicz-Burkiewicz, Barbara Jereczek-Fossa, Anna Starzyńska and Rafał Pęksa
Int. J. Mol. Sci. 2025, 26(14), 6847; https://doi.org/10.3390/ijms26146847 (registering DOI) - 16 Jul 2025
Abstract
Oral squamous cell carcinoma (OSCC) remains a significant global health challenge, representing 90% of oral malignancies. Despite therapeutic advances, patient outcomes remain poor, highlighting the need for novel prognostic biomarkers and treatment targets. We investigated the expression patterns of NTRK genes and their [...] Read more.
Oral squamous cell carcinoma (OSCC) remains a significant global health challenge, representing 90% of oral malignancies. Despite therapeutic advances, patient outcomes remain poor, highlighting the need for novel prognostic biomarkers and treatment targets. We investigated the expression patterns of NTRK genes and their corresponding proteins (TrkA, TrkB, and TrkC) in OSCC, analyzing their relationships with clinical outcomes and potential as therapeutic targets. We examined 93 OSCC tissue samples using immunohistochemistry and quantitative real-time PCR. Protein expression was quantified using the H-score method. We analyzed correlations between Trk expression, clinicopathological parameters, and 2-year survival rates using chi-square tests, Mann–Whitney U tests, and Kaplan–Meier survival analysis. TrkA showed near-universal expression (97.8%—91 patients) in OSCC samples, with high expression levels significantly correlating with lower tumor grade (p = 0.014) and improved 2-year survival (p = 0.011). While TrkB and TrkC were expressed in 65.5% and 84.9% of cases, respectively, neither showed significant associations with clinical parameters. NTRK2 and NTRK3 mRNA levels demonstrated a strong positive correlation (R = 0.64, p = 0.002), suggesting coordinated regulation. Our findings establish TrkA as a promising positive prognostic marker in OSCC, warranting investigation as a therapeutic target. The strong correlation between NTRK2 and NTRK3 expression suggests shared regulatory mechanisms in OSCC pathogenesis. Further studies with larger cohorts and longer follow-up periods are needed to validate these findings and explore their therapeutic implications. Full article
(This article belongs to the Special Issue Biology of Oral Cancer)
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