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Antioxidant Therapy as a Potential Approach to Severe Influenza-Associated Complications

Department of Clinical Molecular Genetics, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
Author to whom correspondence should be addressed.
Molecules 2011, 16(3), 2032-2052;
Received: 10 February 2011 / Revised: 23 February 2011 / Accepted: 25 February 2011 / Published: 28 February 2011
(This article belongs to the Special Issue Antioxidants)
With the appearance of the novel influenza A (H1N1) virus 2009 strain we have experienced a new influenza pandemic and many patients have died from severe complications associated with this pandemic despite receiving intensive care. This suggests that a definitive medical treatment for severe influenza-associated complications has not yet been established. Many studies have shown that superoxide anion produced by macrophages infiltrated into the virus-infected organs is implicated in the development of severe influenza-associated complications. Selected antioxidants, such as pyrrolidine dithiocabamate, N-acetyl-L-cysteine, glutathione, nordihydroguaiaretic acid, thujaplicin, resveratrol, (+)-vitisin A, ambroxol, ascorbic acid, 5,7,4-trihydroxy-8-methoxyflavone, catechins, quercetin 3-rhamnoside, iso- quercetin and oligonol, inhibit the proliferation of influenza virus and scavenge superoxide anion. The combination of antioxidants with antiviral drugs synergistically reduces the lethal effects of influenza virus infections. These results suggest that an agent with antiviral and antioxidant activities could be a drug of choice for the treatment of patients with severe influenza-associated complications. This review article updates knowledge of antioxidant therapy as a potential approach to severe influenza-associated complications. View Full-Text
Keywords: antioxidant; influenza; antiviral drug antioxidant; influenza; antiviral drug
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MDPI and ACS Style

Uchide, N.; Toyoda, H. Antioxidant Therapy as a Potential Approach to Severe Influenza-Associated Complications. Molecules 2011, 16, 2032-2052.

AMA Style

Uchide N, Toyoda H. Antioxidant Therapy as a Potential Approach to Severe Influenza-Associated Complications. Molecules. 2011; 16(3):2032-2052.

Chicago/Turabian Style

Uchide, Noboru, and Hiroo Toyoda. 2011. "Antioxidant Therapy as a Potential Approach to Severe Influenza-Associated Complications" Molecules 16, no. 3: 2032-2052.

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