RT Journal Article T1 Circulating free DNA and its emerging role in autoimmune diseases A1 Mondelo Macía, Patricia A1 Castro Santos, Patricia A1 Castillo García, Adrián A1 Muinelo Romay, Laura A1 Díaz Peña, Roberto K1 3207.10 Inmunopatología K1 2412 Inmunología AB Liquid biopsies can be used to analyse tissue-derived information, including cell-free DNA (cfDNA), circulating rare cells, and circulating extracellular vesicles in the blood or other bodily fluids, representing a new way to guide therapeutic decisions in cancer. Among the new challenges of liquid biopsy, we found clinical application in nontumour pathologies, including autoimmune diseases. Since the discovery of the presence of high levels of cfDNA in patients with systemic lupus erythaematosus (SLE) in the 1960s, cfDNA research in autoimmune diseases has mainly focused on the overall quantification of cfDNA and its association with disease activity. However, with technological advancements and the increasing understanding of the role of DNA sensing receptors in inflammation and autoimmunity, interest in cfDNA and autoimmune diseases has not expanded until recently. In this review, we provide an overview of the basic biology of cfDNA in the context of autoimmune diseases as a biomarker of disease activity, progression, and prediction of the treatment response. We discuss and integrate available information about these important aspects. PB Journal of Personalized Medicine SN 20754426 YR 2021 FD 2021-02-20 LK http://hdl.handle.net/11093/2808 UL http://hdl.handle.net/11093/2808 LA eng NO Journal of Personalized Medicine, 11(2): 151 (2021) DS Investigo RD 11-dic-2024