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Network research group of medicinal plant compounds for malaria treatment from Ethnopharmacology in the Amazon and Acre States

Grant number: 09/53638-7
Support Opportunities:Research Projects - Thematic Grants
Duration: June 01, 2011 - August 31, 2015
Field of knowledge:Biological Sciences - Pharmacology - Ethnopharmacology
Convênio/Acordo: CNPq - Pronex - Malaria Network
Principal Investigator:Lin Chau Ming
Grantee:Lin Chau Ming
Host Institution: Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil


Malaria remains one of the major neglected diseases worldwide, infecting more than three million people annually and causing the death of a million of them. Malaria results from the interaction of the protozoan parasite Plasmodium, its host, the humans, and its vector, Anopheles mosquitoes. Where it occurs, it causes of delay in human development. In the world, the Sub-Saharan Africa is the most affected area, while, in the Americas, the Amazon region is the main endemic area and accounts for 99% of the transmission in the country. Unfortunately the parasite has shown resistance to most of the available drugs and it is urgent the research of new effective compounds to combat it. The Research Network studies are based on the knowledge of traditional communities from the Amazon region to find medicinal plants used for the treatment of malaria and its associated ills. Based on these indications, the most promising plants are studied and have their biochemical activities tested in laboratories for the identification of active phytochemical compounds. The research groups start from ethnobotanical studies in the communities, involved with the collection and identification of plants, the extraction of chemical compounds and realization of tests, such as: • antiplasmodial activity in vitro with P. falciparum; • schizont blood tests in mice with P. berghei; • tests for acute toxicity in vivo; in vitro cytotoxicity assays; • activity and toxicity of antimalarial substances obtained from plants; • chromatographic screening, isolation and identification and structure elucidation of the isolated compounds; • extraction and fractionation of pure substances; • reaction tests with metalloporphyrin; and • analysis by HPLC-UV and HPLC-MS/MS. There are 55 traditional communities involved in this project distributed in eight municipalities around of the Purus and Negro rivers and their tributaries in the states of Acre and Amazonas: São Gabriel da Cachoeira (AM), Santa Isabel do Rio Negro (AM), Barcelos (AM), Novo Airão (AM) and Xapurí (AC), Lábrea (AM), Boca do Acre River (AM) and Pauini (AM). These communities are distributed in indigenous lands (IT), conservation units (FLONA and RESEX), settlements, private lands, lands of the Union, and some of them are characterized by the presence of Indians from different ethnicity, gatherers, farmers, caboclos and ribeirinhos and there is also one religious community. The “Network research group of medicinal plant compounds for malaria treatment from ethnopharmacology in the Amazon and Acre States” was approved with the Call MCT / CNPq in 09/2009 - PRONEX - Malaria Network, process 555669/2009-2 with funding from FAPESP and CNPq from the end of 2009. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
KFFURI, CAROLINA WEBER; LOPES, MOISES AHKUTO; MING, LIN CHAU; ODONNE, GUILLAUME; KINUPP, VALDELY FERREIRA. Antimalarial plants used by indigenous people of the Upper Rio Negro in Amazonas, Brazil. Journal of Ethnopharmacology, v. 178, p. 188-198, . (09/53638-7)

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