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Paper Type ![]() |
Contributed Paper |
Title ![]() |
Anti-Herpes Simplex Virus Type 2 of Drymaria diandra Blume Medicinal Plant |
Author ![]() |
Jiraporn Nikomtat [a,b], Narumol Thongwai [b], Saisamorn Lumyong [b] and Yingmanee Tragoolpua*[b] |
Email ![]() |
yboony@chiangmai.ac.th |
Abstract: Anti-herpes simplex virus type 2 of dichloromethane and methanol extracts of Thai medicinal plant, Drymaria diandra Blume was investigated on Green Monkey Kidney cells. Cytotoxicity tests performed by the MTT assay revealed that 50% cytotoxicity dose of dichloromethane and methanol extracts were 90±2 and 631±32 μg/ml respectively. In all experiments, non-toxic concentrations of the plant extracts were used to test the inhibitory effect on various steps of herpes simplex virus type 2 (HSV-2) multiplication cycle. HSV-2 particles were directly inactivated by the extracts since 1 hour of treatment. HSV-2 infection was inhibited by the methanol extract with the 50% effective dose of 166.6±23.1 μg/ml. Moreover, both extracts inhibited HSV-2 attachment and penetration. The extracts also showed potent inhibitory activities against viral deoxyribonucleic acid synthesis as determined by real time polymerase chain reaction. Western blot analysis showed that HSV-2 proteins, particularly those at approximately 45 kDa were inhibited by the extracts after detection by horseradish peroxidase-conjugated immunoglobulin G against HSV. Therefore, this study demonstrated the inhibitory efficacy of Drymaria diandra Blume extracts against herpes simplex virus infection as a potential anti-HSV agent.
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Start & End Page ![]() |
439 - 452 |
Received Date ![]() |
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Revised Date ![]() |
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Accepted Date ![]() |
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Volume ![]() |
Vol.38 No.3 (JULY 2011) |
DOI |
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Citation |
[a J.N., B] , [b] N.T. and Tragoolpua*[b] S.L.[.A., Anti-Herpes Simplex Virus Type 2 of Drymaria diandra Blume Medicinal Plant, Chiang Mai Journal of Science, 2011; 38(3): 439-452. |
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