Anti-malarial activity of a polyherbal product (Nefang) during early and established Plasmodium infection in rodent models.
Identifieur interne : 000273 ( PubMed/Curation ); précédent : 000272; suivant : 000274Anti-malarial activity of a polyherbal product (Nefang) during early and established Plasmodium infection in rodent models.
Auteurs : Protus Arrey Tarkang [Cameroun] ; Faith A. Okalebo ; Lawrence S. Ayong ; Gabriel A. Agbor ; Anastasia N. GuantaiSource :
- Malaria journal [ 1475-2875 ] ; 2014.
English descriptors
- KwdEn :
- Animals, Antimalarials (administration & dosage), Biological Products (administration & dosage), Blood (parasitology), Body Weight, Chemoprevention (methods), Disease Models, Animal, Herbal Medicine, Malaria (drug therapy), Malaria (prevention & control), Mice, Inbred BALB C, Parasitemia (drug therapy), Parasitemia (prevention & control), Rats, Wistar, Survival Analysis, Temperature, Treatment Outcome.
- MESH :
- chemical , administration & dosage : Antimalarials, Biological Products.
- drug therapy : Malaria, Parasitemia.
- methods : Chemoprevention.
- parasitology : Blood.
- prevention & control : Malaria, Parasitemia.
- Animals, Body Weight, Disease Models, Animal, Herbal Medicine, Mice, Inbred BALB C, Rats, Wistar, Survival Analysis, Temperature, Treatment Outcome.
Abstract
The emerging resistance of Plasmodium species to currently available anti-malarials remains a public health concern, hence the need for new effective, safe and affordable drugs. Natural products remain a reliable source of drugs. Nefang is a polyherbal anti-malarial of the Cameroonian folklore medicine with demonstrated in vitro antiplasmodial and antioxidant activities. It is composed of Mangifera indica (bark and leaf), Psidium guajava, Carica papaya, Cymbopogon citratus, Citrus sinensis, Ocimum gratissimum (leaves). This study aimed at investigating the suppressive, prophylactic and curative activities of Nefang in Plasmodium infected rodent models.
DOI: 10.1186/1475-2875-13-456
PubMed: 25421605
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Okalebo</name></author><author><name sortKey="Ayong, Lawrence S" sort="Ayong, Lawrence S" uniqKey="Ayong L" first="Lawrence S" last="Ayong">Lawrence S. Ayong</name></author><author><name sortKey="Agbor, Gabriel A" sort="Agbor, Gabriel A" uniqKey="Agbor G" first="Gabriel A" last="Agbor">Gabriel A. Agbor</name></author><author><name sortKey="Guantai, Anastasia N" sort="Guantai, Anastasia N" uniqKey="Guantai A" first="Anastasia N" last="Guantai">Anastasia N. 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Okalebo</name></author><author><name sortKey="Ayong, Lawrence S" sort="Ayong, Lawrence S" uniqKey="Ayong L" first="Lawrence S" last="Ayong">Lawrence S. Ayong</name></author><author><name sortKey="Agbor, Gabriel A" sort="Agbor, Gabriel A" uniqKey="Agbor G" first="Gabriel A" last="Agbor">Gabriel A. Agbor</name></author><author><name sortKey="Guantai, Anastasia N" sort="Guantai, Anastasia N" uniqKey="Guantai A" first="Anastasia N" last="Guantai">Anastasia N. Guantai</name></author></analytic><series><title level="j">Malaria journal</title><idno type="eISSN">1475-2875</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Antimalarials (administration & dosage)</term><term>Biological Products (administration & dosage)</term><term>Blood (parasitology)</term><term>Body Weight</term><term>Chemoprevention (methods)</term><term>Disease Models, Animal</term><term>Herbal Medicine</term><term>Malaria (drug therapy)</term><term>Malaria (prevention & control)</term><term>Mice, Inbred BALB C</term><term>Parasitemia (drug therapy)</term><term>Parasitemia (prevention & control)</term><term>Rats, Wistar</term><term>Survival Analysis</term><term>Temperature</term><term>Treatment Outcome</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Antimalarials</term><term>Biological Products</term></keywords><keywords scheme="MESH" qualifier="drug therapy" xml:lang="en"><term>Malaria</term><term>Parasitemia</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Chemoprevention</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Blood</term></keywords><keywords scheme="MESH" qualifier="prevention & control" xml:lang="en"><term>Malaria</term><term>Parasitemia</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Body Weight</term><term>Disease Models, Animal</term><term>Herbal Medicine</term><term>Mice, Inbred BALB C</term><term>Rats, Wistar</term><term>Survival Analysis</term><term>Temperature</term><term>Treatment Outcome</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The emerging resistance of Plasmodium species to currently available anti-malarials remains a public health concern, hence the need for new effective, safe and affordable drugs. Natural products remain a reliable source of drugs. Nefang is a polyherbal anti-malarial of the Cameroonian folklore medicine with demonstrated in vitro antiplasmodial and antioxidant activities. It is composed of Mangifera indica (bark and leaf), Psidium guajava, Carica papaya, Cymbopogon citratus, Citrus sinensis, Ocimum gratissimum (leaves). This study aimed at investigating the suppressive, prophylactic and curative activities of Nefang in Plasmodium infected rodent models.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25421605</PMID><DateCreated><Year>2014</Year><Month>11</Month><Day>29</Day></DateCreated><DateCompleted><Year>2015</Year><Month>07</Month><Day>02</Day></DateCompleted><DateRevised><Year>2015</Year><Month>10</Month><Day>28</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Electronic">1475-2875</ISSN><JournalIssue CitedMedium="Internet"><Volume>13</Volume><PubDate><Year>2014</Year><Month>Nov</Month><Day>25</Day></PubDate></JournalIssue><Title>Malaria journal</Title><ISOAbbreviation>Malar. J.</ISOAbbreviation></Journal><ArticleTitle>Anti-malarial activity of a polyherbal product (Nefang) during early and established Plasmodium infection in rodent models.</ArticleTitle><Pagination><MedlinePgn>456</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/1475-2875-13-456</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">The emerging resistance of Plasmodium species to currently available anti-malarials remains a public health concern, hence the need for new effective, safe and affordable drugs. Natural products remain a reliable source of drugs. Nefang is a polyherbal anti-malarial of the Cameroonian folklore medicine with demonstrated in vitro antiplasmodial and antioxidant activities. It is composed of Mangifera indica (bark and leaf), Psidium guajava, Carica papaya, Cymbopogon citratus, Citrus sinensis, Ocimum gratissimum (leaves). This study aimed at investigating the suppressive, prophylactic and curative activities of Nefang in Plasmodium infected rodent models.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">Systemic acute oral toxicity of Nefang aqueous and ethanol extracts was assessed in mice up to a dose of 5,000 mgkg(-1) body weight. BALB/c mice and Wistar rats were inoculated with Plasmodium chabaudi chabaudi and Plasmodium berghei, respectively, and treated with Nefang, the Mangifera indica bark/Psidium guajava combination and a Psidium guajava leaf aqueous extracts (75, 150, 300 and 600 mgkg(-1) bwt). Their schizonticidal activity was then evaluated using the Peter's 4-day suppressive test). The prophylactic and curative (Rane's Test) activity of Nefang was also evaluated by determining the parasitaemia, survival time, body weight and temperature in pre-treated rodents.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Acute oral toxicity of the extract did not cause any observed adverse effects. Percent suppressions of parasitaemia at 600 mgkg(-1) bwt were as follows (P. berghei/P. chabaudi): Nefang - 82.9/86.3, Mangifera indica bark/Psidium guajava leaf combination extract - 79.5/81.2 and Psidium guajava leaf - 58.9/67.4. Nefang exhibited a prophylactic activity of 79.5% and its chemotherapeutic effects ranged from 61.2 - 86.1% with maximum effect observed at the highest experimental dose.</AbstractText><AbstractText Label="CONCLUSION" NlmCategory="CONCLUSIONS">These results indicate that Nefang has excellent in vivo anti-malarial activities against P. berghei and P. chabaudi, upholding earlier in vitro antiplasmodial activities against multi-drug resistant P. falciparum parasites as well as its traditional use. Hence, Nefang represents a promising source of new anti-malarial agents.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Tarkang</LastName><ForeName>Protus Arrey</ForeName><Initials>PA</Initials><AffiliationInfo><Affiliation>Centre for Research on Medicinal Plants and Traditional Medicine, Institute of Medical Research and Medicinal Plants Studies (IMPM), P, O, Box 6163, Yaoundé, Cameroon. ptarkang@yahoo.co.uk.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Okalebo</LastName><ForeName>Faith A</ForeName><Initials>FA</Initials></Author><Author ValidYN="Y"><LastName>Ayong</LastName><ForeName>Lawrence S</ForeName><Initials>LS</Initials></Author><Author ValidYN="Y"><LastName>Agbor</LastName><ForeName>Gabriel A</ForeName><Initials>GA</Initials></Author><Author ValidYN="Y"><LastName>Guantai</LastName><ForeName>Anastasia N</ForeName><Initials>AN</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2014</Year><Month>Nov</Month><Day>25</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Malar J</MedlineTA><NlmUniqueID>101139802</NlmUniqueID><ISSNLinking>1475-2875</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D000962">Antimalarials</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D001688">Biological Products</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="Cites"><RefSource>Int J Antimicrob Agents. 2000 Apr;14(3):181-91</RefSource><PMID Version="1">10773486</PMID></CommentsCorrections><CommentsCorrections RefType="Cites"><RefSource>Biomed Res Int. 2014;2014:835013</RefSource><PMID Version="1">24877138</PMID></CommentsCorrections><CommentsCorrections 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MajorTopicYN="N">Antimalarials</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="Y">administration & dosage</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001688" MajorTopicYN="N">Biological Products</DescriptorName><QualifierName UI="Q000008" MajorTopicYN="Y">administration & dosage</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001769" MajorTopicYN="N">Blood</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="N">parasitology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D001835" MajorTopicYN="N">Body Weight</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018890" MajorTopicYN="N">Chemoprevention</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D004195" MajorTopicYN="N">Disease Models, Animal</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D029001" MajorTopicYN="Y">Herbal Medicine</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008288" MajorTopicYN="N">Malaria</DescriptorName><QualifierName UI="Q000188" MajorTopicYN="Y">drug therapy</QualifierName><QualifierName UI="Q000517" MajorTopicYN="Y">prevention & control</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D008807" MajorTopicYN="N">Mice, Inbred BALB C</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018512" MajorTopicYN="N">Parasitemia</DescriptorName><QualifierName UI="Q000188" MajorTopicYN="N">drug therapy</QualifierName><QualifierName UI="Q000517" MajorTopicYN="N">prevention & control</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D017208" MajorTopicYN="N">Rats, Wistar</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016019" MajorTopicYN="N">Survival Analysis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName 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