Chromosomal instability: a key driver in glioma pathogenesis and progression
Adele Mazzoleni1, Wireko Andrew Awuah2, Vivek Sanker3
1Barts and the London School of Medicine and Dentistry, London, UK.
European Journal of Medical Research
|September 3, 2024
Summary
Chromosomal instability (CIN) drives glioma complexity and progression by causing genetic errors. Targeting CIN offers potential for new glioma treatments and biomarkers.
Area of Science:
- Genetics
- Oncology
- Molecular Biology
Background:
- Chromosomal instability (CIN) is a key driver in cancer development, characterized by frequent genomic alterations during cell division.
- While well-studied in other cancers, CIN's specific role in glioma progression, heterogeneity, and therapeutic resistance is increasingly recognized.
- CIN arises from factors like replication errors and toxic exposures, impacting cellular functions and oncogenic pathways.
Purpose of the Study:
- To review the multifaceted impact of chromosomal instability (CIN) on glioma development, progression, and treatment.
- To analyze CIN's influence across various glioma subtypes, including adult and pediatric forms.
- To explore the potential of CIN as a biomarker and the therapeutic strategies targeting CIN in gliomas.
Main Methods:
- A narrative review approach was employed.
- Data was systematically searched and analyzed from major scientific databases: PubMed/Medline, EMBASE, Cochrane Library, and Scopus.
- The review synthesized findings on CIN's role in glioma biology, clinical outcomes, and therapeutic interventions.
Main Results:
- CIN significantly impacts glioma progression by altering tumor suppressor genes, oncogenes, and DNA repair mechanisms.
- It contributes to tumor evolution, inflammation, immune evasion, and treatment resistance, correlating with poorer clinical outcomes.
- CIN influences glioma heterogeneity and shows potential as a biomarker for early detection and patient monitoring.
Conclusions:
- Chromosomal instability is a critical factor in glioma pathogenesis, influencing tumor behavior and treatment response.
- Targeting CIN, alongside integrated therapeutic strategies and advanced bioinformatics tools (e.g., CINdex), holds promise for improving glioma treatment.
- Future research should focus on combining CIN-targeted therapies with immunotherapy and personalized medicine approaches for enhanced patient outcomes.
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