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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Inhibition of EV71 by curcumin in intestinal epithelial cells.

Abstract Source:

PLoS One. 2018 ;13(1):e0191617. Epub 2018 Jan 25. PMID: 29370243

Abstract Author(s):

Hsing-I Huang, Chi-Chong Chio, Jhao-Yin Lin

Article Affiliation:

Hsing-I Huang

Abstract:

EV71 is a positive-sense single-stranded RNA virus that belongs to the Picornaviridae family. EV71 infection may cause various symptoms ranging from hand-foot-and-mouth disease to neurological pathological conditions such as aseptic meningitis, ataxia, and acute transverse myelitis. There is currently no effective treatment or vaccine available. Various compounds have been examined for their ability to restrict EV71 replication. However, most experiments have been performed in rhabdomyosarcoma or Vero cells. Since the gastrointestinal tract is the entry site for this pathogen, we anticipated that orally ingested agents may exert beneficial effects by decreasing virus replication in intestinal epithelial cells. In this study, curcumin (diferuloylmethane, C21H20O6), an active ingredient of turmeric (Curcuma longa Linn) with anti-cancer properties, was investigated for its anti-enterovirus activity. We demonstrate that curcumin treatment inhibits viral translation and increases host cell viability. Curcumin does not exert its anti-EV71 effects by modulating virus attachment or virus internal ribosome entry site (IRES) activity. Furthermore, curcumin-mediated regulation of mitogen-activated protein kinase (MAPK) signaling pathways is not involved. We found that protein kinase C delta (PKCδ) plays a role in virus translation in EV71-infected intestinal epithelial cells and that curcumin treatment decreases the phosphorylation of this enzyme. In addition, we show evidence that curcumin also limits viral translation in differentiated human intestinal epithelial cells. In summary, ourdata demonstrate the anti-EV71 properties of curcumin, suggesting that ingestion of this phytochemical may protect against enteroviral infections.

Study Type : Review
Additional Links
Pharmacological Actions : Antiviral Agents : CK(938) : AC(433)
Additional Keywords : Curcumin-RNA viruses

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Sayer Ji
Founder of GreenMedInfo.com

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Depression: 21st Century Solutions + The Dark Side of Wheat

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