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Tumor Microenvironment and Cancer Progression: Molecular Insights for Targeted Therapy

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: 20 September 2025 | Viewed by 1897

Special Issue Editor


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Guest Editor
Department of Molecular Biosciences, Northwestern University, Evanston, IL 60208, USA
Interests: apoptosis; epigenetics; DNA; tumor microenvironment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

A better understanding of the complex ecosystem of dynamically interacting cancer, non-malignant cells, and the extracellular matrix (ECM) which create the tumor microenvironment (TME) has significantly impacted cancer research.

This field has made impressive strides in illuminating the diverse cell populations within tumors and the interactions between them and with the ECM, discovering mechanisms of immune response modulation and detecting how the TME supports metabolic changes reprogrammed by tumors and enhances tumor progression. Continuously improving tumor models helps researchers understand TME interactions in a more clinically relevant context and evaluate new treatments. One critical challenge is effectively targeting the diverse subpopulations of cells within a tumor, including those that contribute to resistance. Understanding the dynamic interplay between various cell types, signaling pathways, and extracellular matrix components in different tumor types and stages is an ongoing issue.

In this Special Issue, we aim to collect high-quality research papers addressing the complexity of TME interactions, tumor heterogeneity, the development of biomarkers guiding personalized treatment, resistance to therapies targeting the TME or in which the TME is involved, immune editing, and tumor evolution.

Dr. Tetiana Zaǐchuk
Guest Editor

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Keywords

  • tumor microenvironment
  • immune response modulation
  • signaling pathways
  • extracellular matrix components
  • tumor evolution

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Published Papers (1 paper)

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Research

14 pages, 11359 KiB  
Article
Unveiling Biomarkers in Head and Neck Squamous Cell Carcinoma through Bioinformatics: The Role of SPP1 and KRT78
by Jaehwan Cheon, Byoungjae Kim, Jaehyung Park, Jaemin Shin and Tae Hoon Kim
Int. J. Mol. Sci. 2024, 25(22), 12062; https://doi.org/10.3390/ijms252212062 - 10 Nov 2024
Viewed by 1612
Abstract
Head and neck squamous cell carcinoma (HNSCC) is the most common form of head and neck cancer, ranking sixth in global cancer incidence. Identifying molecular drivers of tumorigenesis and metastasis is essential for early detection and treatment. This study analyzed gene expression profiles [...] Read more.
Head and neck squamous cell carcinoma (HNSCC) is the most common form of head and neck cancer, ranking sixth in global cancer incidence. Identifying molecular drivers of tumorigenesis and metastasis is essential for early detection and treatment. This study analyzed gene expression profiles from three datasets (GSE6791, GSE29330, and GSE58911) to identify differentially expressed genes (DEGs) in HNSCC. Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analyses were employed to functionally annotate these DEGs. A protein–protein interaction (PPI) network was constructed for selecting hub genes using the STRING database. Finally, hub gene and protein expression levels were evaluated in patients with HNSCC, along with their association with overall survival. Our analysis identified twenty-eight co-DEGs comprising eight up-regulated and twenty down-regulated genes, primarily involved in extracellular matrix (ECM) organization, proteolysis, ECM disassembly, and keratinization processes. Furthermore, the PPI network revealed eight hub genes based on their high degree of connectivity. Notably, SPP1 demonstrated up-regulation, while KRT78 was down-regulated in HNSCC. Remarkably, the expression levels of these hub genes correlated with tumor grade, clinical cancer stage, and poor prognosis in HNSCC. Our findings hold significant clinical potential for early diagnosis and the development of novel therapeutic targets for patients with HNSCC. Full article
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