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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/36137
Title: Effects of artesunate treatment on Plasmodium gallinaceum transmission in the vectors Aedes aegypti and Culex quinquefasciatus
Authors: Mintra Pruck-Ngern
Sittiporn Pattaradilokrat
Kamlang Chumpolbanchorn
Suntorn Pimnon
Somphong Narkpinit
Pongchai Harnyuttanakorn
Prayute Buddhirakkul
Tawee Saiwichai
Mahidol University
Chulalongkorn University
Keywords: Immunology and Microbiology
Issue Date: 1-Jan-2015
Citation: Veterinary Parasitology. Vol.207, No.1-2 (2015), 161-165
Abstract: © 2014 Elsevier B.V. In the absence of vaccines, chemotherapy is an effective and economical way for controlling malaria. Development of anti-malarial drugs that target pathogenic blood stage parasites and gametocytes is preferable for the treatment as it can alleviate the host's morbidity and mortality and block transmission of the Plasmodium parasite. Recently, our laboratory has developed an in vivo transmission blocking assay that involves administration of 7 consecutive daily doses of a test compound into domestic chickens (. Gallus gallus domesticus) infected with the avian malaria parasite Plasmodium gallinaceum with 10% parasitaemia and 1% gametocytaemia. To compromise the cost and time for artesunate (ATN) treatment, this study aimed to investigate effects of a 5-day consecutive administration of 10 milligrams per kilogram (mg/kg) ATN on P. gallinaceum infection in chickens and transmission to two natural vectors, Aedes aegypti and Culex quinquefasciatus. Our study showed that the treatment with 10. mg/kg ATN for 7 days, but not 5 days, completely eliminated blood stage infections, prevented recrudescence and blocked gametocyte production and transmission of P. gallinaceum to its vectors, thereby confirming the potent schizontocidal and gametocytocidal activities of ATN. This regimen should be further evaluated in field trials.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84920453275&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/36137
ISSN: 18732550
03044017
Appears in Collections:Scopus 2011-2015

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