RRC ID 67826
著者 Yamasaki M, Yamasaki Y, Furusho R, Kimura H, Kamei I, Sonoda H, Ikeda M, Oshima T, Ogawa K, Nishiyama K.
タイトル Onion (Allium cepa L.)-Derived Nanoparticles Inhibited LPS-Induced Nitrate Production, However, Their Intracellular Incorporation by Endocytosis Was Not Involved in This Effect on RAW264 Cells.
ジャーナル Molecules
Abstract The aim of this study was to evaluate the involvement of nanoparticles prepared from Allium cepa L. as anti-inflammatory agents. In the present study, we identified nanoparticles from Allium cepa L. using the ultracentrifugation exosome purification method. The nanoparticles were referred to as 17,000× g and 200,000× g precipitates, and they contained quercetins, proteins, lipids, and small-sized RNA. The nanoparticles inhibited nitric oxide production from lipopolysaccharide (LPS)-stimulated RAW264 cells without cytotoxic properties. Cellular incorporation was confirmed by laser microscopic observation after PKH26 staining. The inhibition of caveolae-dependent endocytosis and macropinocytosis significantly prevented the incorporation of the nanoparticles but had no effect on the inhibition of nitric oxide in RAW264 cells. Collectively, the identified nanoparticles were capable of inhibiting the LPS response via extracellular mechanisms. Taken together, the way of consuming Allium cepa L. without collapsing the nanoparticles is expected to provide an efficient anti-inflammatory effect.
巻・号 26(9)
公開日 2021-5-7
DOI 10.3390/molecules26092763
PII molecules26092763
PMID 34067155
PMC PMC8124543
MeSH Animals Clathrin / metabolism Endocytosis* Intracellular Space / metabolism* Lipopolysaccharides Mice Nanoparticles / chemistry* Nitrates / metabolism* Nitric Oxide / biosynthesis Onions / chemistry* Quercetin / analysis RAW 264.7 Cells
IF 3.267
リソース情報
ヒト・動物細胞 RAW 264(RCB0535)