Genomic Instability in Cancer
Genomic instability refers to an increased tendency of cancer cells to acquire genetic alterations, including mutations, chromosomal rearrangements, copy number changes, and aneuploidy. It is a hallmark of cancer and plays a central role in tumor initiation, progression, and therapeutic resistance. Genomic instability arises from defects in DNA damage response pathways, impaired DNA repair mechanisms, replication stress, telomere dysfunction, and abnormal cell cycle control. These defects lead to the accumulation of oncogenic mutations and loss of tumor suppressor genes, driving clonal evolution and tumor heterogeneity. Understanding genomic instability is crucial for cancer diagnosis, prognosis, and the development of targeted and precision therapies.
Genomic Instability, Cancer Genomics, DNA Damage, DNA Repair Defects, Chromosomal Instability, CIN, Microsatellite Instability, MSI, Mutational Burden, Copy Number Alterations, Tumor Heterogeneity, Oncogenes, Tumor Suppressor Genes, Precision Oncology
#GenomicInstability#CancerResearch#CancerGenomics#DNARepair#ChromosomalInstability#MicrosatelliteInstability#TumorEvolution#PrecisionMedicine#MolecularOncology#BiomedicalResearch
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