Obstacles and opportunities in the functional analysis of extracellular vesicle RNA - an ISEV position paper

Mateescu, Bogdan, Kowal, Emma JK ORCID: 0000-0002-8992-7608, van Balkom, Bas WM, Bartel, Sabine, Bhattacharyya, S, Buzas, Edit, Buck, Amy H, de Candia, Paola, Chow, Franklin WN, Das, Saumya, Driedonks, Tom AP, Fernández-Messina, Lola, Haderk, Franziska, Hill, Andrew F ORCID: 0000-0001-5581-2354, Jones, Jennifer C ORCID: 0000-0002-9488-7719, Van Keuren-Jensen, Kendall R, Lai, Charles P, Lässer, Cecilia, di Liegro, Italia, Lunavat, Taral R, Lorenowicz, Magdelena J, Maas, Sybren LN, Mäger, Imre, Mittelbrunn, Maria, Momma, Stefan, Mukherjee, Kamalika, Nawaz, Muhammad, Pegtel, D Michiel, Pfaffl, Michael W, Schiffelers, Raymond M, Tahara, Hidetoshi, Thery, Clotilde, Tosar, Juan Palbo, Wauben, Marca HM, Witwer, Kenneth W ORCID: 0000-0003-1664-4233 and Nolte-'t Hoen, Esther NM ORCID: 0000-0002-3172-9959 (2017) Obstacles and opportunities in the functional analysis of extracellular vesicle RNA - an ISEV position paper. Journal of Extracellular Vesicles, 6 (1). ISSN 2001-3078


The release of RNA-containing extracellular vesicles (EV) into the extracellular milieu has been demonstrated in a multitude of different in vitro cell systems and in a variety of body fluids. RNA-containing EV are in the limelight for their capacity to communicate genetically encoded messages to other cells, their suitability as candidate biomarkers for diseases, and their use as therapeutic agents. Although EV-RNA has attracted enormous interest from basic researchers, clinicians, and industry, we currently have limited knowledge on which mechanisms drive and regulate RNA incorporation into EV and on how RNAencoded messages affect signalling processes in EV-targeted cells. Moreover, EV-RNA research faces various technical challenges, such as standardisation of EV isolationmethods, optimisation of methodologies to isolate and characteriseminute quantities of RNA found in EV, and development of approaches to demonstrate functional transfer of EV-RNA in vivo. These topics were discussed at the 2015 EV-RNA workshop of the International Society for Extracellular Vesicles. This position paper was written by the participants of the workshop not only to give an overview of the current state of knowledge in the field, but also to clarify that our incomplete knowledge - of the nature of EV(-RNA)s and of how to effectively and reliably study them - currently prohibits the implementation of gold standards in EV-RNA research. In addition, this paper creates awareness of possibilities and limitations of currently used strategies to investigate EV-RNA and calls for caution in interpretation of the obtained data.

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Item type Article
URI https://vuir.vu.edu.au/id/eprint/45726
DOI 10.1080/20013078.2017.1286095
Official URL https://www.tandfonline.com/doi/full/10.1080/20013...
Subjects Current > FOR (2020) Classification > 3101 Biochemistry and cell biology
Current > Division/Research > Chancellery
Keywords extracellular vesicles, RNA, EVs, in vitro, biomarkers, disease
Citations in Scopus 476 - View on Scopus
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