Publication: Effects of extracts from thai piperaceae plants against infection with toxoplasma gondii
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Issued Date
2016-05-01
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19326203
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2-s2.0-84971003305
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Mahidol University
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SCOPUS
Bibliographic Citation
PLoS ONE. Vol.11, No.5 (2016)
Suggested Citation
Arpron Leesombun, Sookruetai Boonmasawai, Naomi Shimoda, Yoshifumi Nishikawa Effects of extracts from thai piperaceae plants against infection with toxoplasma gondii. PLoS ONE. Vol.11, No.5 (2016). doi:10.1371/journal.pone.0156116 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/41547
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Title
Effects of extracts from thai piperaceae plants against infection with toxoplasma gondii
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Abstract
© 2016 Leesombun et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Herbal medicines and natural herb extracts are widely used as alternative treatments for various parasitic diseases, and such extracts may also have potential to decrease the side effects of the standard regimen drugs used to treat toxoplasmosis (sulfadiazine-pyrimethamine combination). We evaluated how effective the Thai piperaceae plants Piper betle, P. nigrum and P. sarmentosum are against Toxoplasma gondii infection in vitro and in vivo. Individually, we extracted the piperaceae plants with ethanol, passed them through a rotary evaporator and then lyophilized them to obtain crude extracts for each one. The in vitro study indicated that the P. betle extract was the most effective extract at inhibiting parasite growth in HFF cells (IC50on RH-GFP: 23.2 μg/mL, IC50on PLK-GFP: 21.4 μg/mL). Furthermore, treatment of experimental mice with the P. betle extract for 7 days after infection with 1,000 tachyzoites of the T. gondii PLK strain increased their survival (survival rates: 100% in 400 mg/kg-treated, 83.3% in 100 mg/kg-treated, 33.3% in 25 mg/kg-treated, 33.3% in untreated mice). Furthermore, treatment with 400 mg/kg of the P. betle extract resulted in 100% mouse survival following infection with 100,000 tachyzoites. The present study shows that P. betle extract has the potential to act as a medical plant for the treatment of toxoplasmosis.