Planta Med 2012; 78(10): 968-973
DOI: 10.1055/s-0031-1298620
Biological and Pharmacological Activity
Original Papers
Georg Thieme Verlag KG Stuttgart · New York

The Protective Effect of 3-Deoxysappanchalcone on In Vitro Influenza Virus-induced Apoptosis and Inflammation

Fan Yang
1   Beijing Key Laboratory of Drug Target Research and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
,
Wei-Ling Zhou
1   Beijing Key Laboratory of Drug Target Research and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
,
Ai-Lin Liu
1   Beijing Key Laboratory of Drug Target Research and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
,
Hai-Lin Qin
1   Beijing Key Laboratory of Drug Target Research and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
,
Simon Ming-Yuen Lee
2   Institute of Chinese Medical Sciences, University of Macau, Macao, China
,
Yi-Tao Wang
2   Institute of Chinese Medical Sciences, University of Macau, Macao, China
,
Guan-Hua Du
1   Beijing Key Laboratory of Drug Target Research and Drug Screening, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
› Author Affiliations
Further Information

Publication History

received 07 January 2012
revised 24 April 2012

accepted 26 April 2012

Publication Date:
30 May 2012 (online)

Abstract

Influenza virus is one of the most important causes of acute respiratory disease. Viral infection and viral replication activate multiple cell signalling pathways. Apoptosis of infected cells and immune response against viral replication, which are generally considered to be protective mechanisms, are also probably mediated by viruses, which lead to severe health problems. We previously reported that 3-deoxysappanchalcone (3-DSC), a compound that is isolated from Caesalpinia sappan, exhibited in vitro anti-influenza activity. In the present study, we further identified that 3-DSC inhibited viral genomic replication and transcription only at a relatively high concentration. We then evaluated the effect of 3-DSC on the regulation of virus-induced cellular apoptosis. 3-DSC ameliorated virus-induced DNA fragmentation in a concentration-dependent manner, which tends to be a consequence of its inhibition of upstream caspase activation. 3-DSC also protected host cells against influenza-induced inflammation by suppressing CCL5 and CXCL10 secretions in endothelial cells and reducing the production of IL-6 and IL-1β in monocytes/macrophages. In conclusion, our results demonstrate that anti-influenza virus mechanisms of 3-DSC involved anti-apoptosis and anti-inflammation activities in vitro. Moreover, 3-DSC could be a promising drug candidate for influenza treatment.

 
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