Abstract
Liquid biopsies have emerged as groundbreaking tools for minimally invasive monitoring of cancer, encompassing the analysis of Cell-Free DNA (cfDNA), circulating tumor DNA (ctDNA) and exosomes. This paradigm shift offers an emerging approach for understanding tumor dynamics, treatment responses, and disease progression. Leveraging advancements in molecular biology and technology, liquid biopsies enable clinicians to gain intricate insights from peripheral blood, thereby transforming the landscape of cancer care. This review describes the clinical impact, technological innovations, and recent evidence surrounding the integration of ctDNA and exosome analysis in cancer monitoring. Through early detection, real-time treatment response assessment, and the tracking of minimal residual disease, liquid biopsies have redefined the standards of precision oncology. Key advancements in ctDNA analysis, such as high-throughput sequencing and digital PCR, empower the detection of actionable mutations with high sensitivity. Concurrently, the characterization of exosomal cargo, facilitated by next-generation sequencing and mass spectrometry, unveils the molecular nuances of tumors. Recent studies underscore the utility of these approaches, demonstrating their efficacy in predicting relapse, guiding therapeutic decisions, and ultimately improving patient outcomes. As the field continues to evolve, liquid biopsies hold promise not only as diagnostic tools but also as agents of personalized medicine, enabling precise navigation of the intricate landscape of cancer with minimally invasiveness.
Published Version
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