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Microsatellite Instability Testing

Microsatellite Instability Testing

Genomic instability in cancer cells refers to the increased frequency of genetic alterations that occur during tumor development and progression. Unlike normal cells, cancer cells accumulate mutations, chromosomal rearrangements, copy number alterations, and aneuploidy at a significantly higher rate. This instability arises from defects in DNA repair pathways, replication stress, telomere dysfunction, and impaired cell cycle checkpoints. Genomic instability is a key driver of tumor heterogeneity, enabling cancer cells to adapt, evolve, and develop resistance to therapy. It contributes to the activation of oncogenes, inactivation of tumor suppressor genes, and the emergence of aggressive cancer phenotypes. Clinically, understanding genomic instability helps guide targeted therapies, immunotherapy decisions, and precision oncology strategies.

Genomic Instability Cancer Cells Chromosomal Instability (CIN) Microsatellite Instability (MSI) DNA Damage DNA Repair Defects Tumor Heterogeneity Somatic Mutations Copy Number Alterations Aneuploidy Tumor Evolution Precision Oncology

#GenomicInstability#CancerCells#CancerGenomics#ChromosomalInstability#MicrosatelliteInstability#DNARepair#TumorEvolution#PrecisionMedicine#MolecularOncology#BiomedicalResearch

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