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Updated: Jan 22, 2026

A Standardized Liquid Biopsy Preanalytical Protocol for Downstream Circulating-Free DNA Applications
Published on: September 16, 2022
Liquid Biopsy in Glioblastoma: Opportunities, Applications and Challenges
Ander Saenz-Antoñanzas1, Jaione Auzmendi-Iriarte1, Estefania Carrasco-Garcia1,2
1Cellular Oncology group, Biodonostia Health Research Institute, E-20014 San Sebastian, Spain.
Abstract:
Liquid biopsy represents a minimally invasive procedure that can provide similar information from body fluids to what is usually obtained from a tissue biopsy sample. Its implementation in the clinical setting might significantly renew the field of medical oncology, facilitating the introduction of the concepts of precision medicine and patient-tailored therapies. These advances may be useful in the diagnosis of brain tumors that currently require surgery for tissue collection, or to perform genetic tumor profiling for disease classification and guidance of therapy. In this review, we will summarize the most recent advances and putative applications of liquid biopsy in glioblastoma, the most common and malignant adult brain tumor. Moreover, we will discuss the remaining challenges and hurdles in terms of technology and biology for its clinical application.
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