articleJournal of Extracellular VesiclesJun 7, 2017GOLD OA

Comprehensive toxicity and immunogenicity studies reveal minimal effects in mice following sustained dosing of extracellular vesicles derived from HEK293T cells

XZXiaohua ZhuMBMohamed BadawiSPSteven PomeroyDSDhruvitkumar S. SutariaZXZhiliang Xie

The Ohio State University · University of Florida

PubMed
Indexed incrossrefdoajpubmed

Abstract

Extracellular vesicles (EVs) are under evaluation as therapeutics or as vehicles for drug delivery. Preclinical studies of EVs often use mice or other animal models to assess efficacy and disposition. However, as most EVs under evaluation are derived from human cells, they may elicit immune responses which may contribute to toxicities or enhanced EV clearance. Furthermore, EVs from different cell sources or EVs comprising various cargo may differ with respect to immunogenicity or toxicity. To assess EV-induced immune response and toxicity, we dosed C57BL/6 mice with EVs intravenously and intraperitoneally for 3 weeks. EVs were harvested from wild type or engineered HEK293T cells which were modified to produce…

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Topics & keywords

Topics
Keywords
  • Immunogenicity
  • Immune system
  • Toxicity
  • Pharmacology
  • Hematology
  • Medicine
  • Spleen
  • Extracellular vesicles
UN Sustainable Development Goals
  • Good health and well-being
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