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  1. Circulating free DNA - Wikipedia

    The term cfDNA can be used to describe various forms of DNA freely circulating in body fluids, including circulating tumor DNA (ctDNA), cell-free mitochondrial DNA (ccf mtDNA), cell-free fetal DNA …

  2. What is cell-free DNA? - Natera

    Cell-free DNA, or cfDNA, are fragments of DNA found circulating in the bloodstream. Doctors can use cfDNA to help inform medical plans for many conditions, including pregnancy, cancer, and organ …

  3. What is cell-free DNA? cfDNA Definition and Applications | QIAGEN

    What is cell-free DNA? Learn about cfDNA, circulating in blood at 120–220 base pairs, revolutionizing early disease detection and diagnostics.

  4. A hitchhiker’s guide to cell-free DNA biology - PMC

    Key Points. Cell-free DNA (cfDNA) can be used as a liquid biopsy in neuro-oncology. New applications harnessing the biological patterns of cfDNA improved detection. This review will provide the basis to …

  5. What Is Cell-Free DNA (cfDNA) and How Is It Used?

    Jul 20, 2025 · Cell-free DNA, or cfDNA, refers to small fragments of genetic material found circulating in the bloodstream. This DNA is released when cells throughout the body break down as part of their …

  6. Cell Free DNA - an overview | ScienceDirect Topics

    Cell-free DNA (cfDNA) is defined as highly fragmented double-stranded DNA that circulates freely in body fluids under normal physiological conditions and can increase due to factors such as exercise, …

  7. Cell-Free DNA (cfDNA) vs. Circulating Tumor DNA (ctDNA) Explained

    Jan 22, 2025 · Fragmented DNA can be found in the cell free fraction of whole blood and other bodily fluids.

  8. Cell-Free DNA (cfdna): Definition, Differentiation, and Significance

    Cell-free DNA (cfDNA), a fragmented DNA present in the human bloodstream in a cell-free state, predominantly arises from processes of cellular necrosis and apoptosis.

  9. The Basics and Applications of Cell-Free DNA | The Scientist

    Nov 8, 2023 · Found circulating in peripheral blood, scientists use cell-free DNA (cfDNA) to assess genetic abnormalities, infections, cancer, transplant rejection, and cardiovascular disease.

  10. cfDNA: mechanisms, applications and analysis | INTEGRA

    Jul 8, 2024 · Cell-free DNA (cfDNA) refers to short DNA fragments that circulate freely outside of cells in the blood and other body fluids like urine or cerebrospinal fluid.