Zobrazeno 1 - 10
of 110
pro vyhledávání: '"S. Ratsimamanga"'
Autor:
A. Randriantsoa, David Ramanitrahasimbola, Marcello Nicoletti, Giovanna Palazzino, D.A. Rakotondramanana, Philippe Rasoanaivo, Corrado Galeffi, S. Ratsimamanga
Publikováno v:
Journal of Ethnopharmacology. 102:400-407
Phymatodes scolopendria (Burm.) Ching (Polypodiaceae) is widely used in the Eastern coast of Madagascar to treat respiratory disorders. Bioassay-guided fractionation using guinea pig trachea pre-contracted with histamine to monitor the activity led t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd7b3c5185d69ceccadb286bc203e4dc
https://doi.org/10.1016/j.jep.2005.06.037
https://doi.org/10.1016/j.jep.2005.06.037
Autor:
Dina L Rakotondramanana, Mehdi Labaied, S. Ratsimamanga-Urverg, Lucile Allorge, Philippe Rasoanaivo, David Ramanitrahasimbola, Philippe Grellier, François Frappier, Lengo Mambu, Herintsoa Rafatro, Armand Rakotozafy, Baholy Robijaona
Publikováno v:
Phytotherapy Research. 18:742-747
One hundred and ninety plants, of which 51 are used to treat malaria in traditional medicine, were collected in five different ecosystems of Madagascar for a screening programme devoted to the search of naturally-occurring antimalarial compounds. Thi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21a78481368d9368a2625854627f630a
https://doi.org/10.1002/ptr.1533
https://doi.org/10.1002/ptr.1533
Autor:
Corrado Galeffi, Marcello Nicoletti, Giovanna Palazzino, David Ramanitrahasimbola, Philippe Rasoanaivo, S. Ratsimamanga-Urverg, Elena Federici
Publikováno v:
Phytotherapy Research. 15:30-33
The in vivo antiplasmodial activity of voacamine was assessed in a 4-day test. It was shown to exhibit in vivo activity with 25.4% and 43.4% inhibition of parasitaemia with 2.5 and 10 mg/kg, respectively. In synchronized cultures, it was found to act
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e39b6e351f0f781b9f1c771e5dd1139
https://doi.org/10.1002/1099-1573(200102)15:1<30::aid-ptr680>3.0.co
https://doi.org/10.1002/1099-1573(200102)15:1<30::aid-ptr680>3.0.co
Autor:
S. Ratsimamanga-Urverg, David Ramanitrahasimbola, Philippe Rasoanaivo, A. Rakoto-Ratsimamanga, Herintsoa Rafatro
Publikováno v:
Journal of Ethnopharmacology. 64:117-126
Cinquante plantes endemiques de Madagascar ont ete soumises a un criblage biologique dans le but de rechercher une activite antiplasmodiale in vitro et une activite modulatrice de la chloroquine sur la souche chloroquinoresistante FCM29. Douze plante
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b252b19e899724b3a94b69d6ef57e63
https://doi.org/10.1016/s0378-8741(98)00114-7
https://doi.org/10.1016/s0378-8741(98)00114-7
Publikováno v:
Current Medicinal Chemistry. 3:1-10
Abstract: Chloroquine (CQ) resistance is a serious problem afflicting the populations in the Third World countries where malaria is endemic. Some strategies have been developed to circumvent the increasing spread of CQ resistance and the alarming eme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53d39e9a2da70dafde9326748ef7a454
https://doi.org/10.2174/092986730301220224160948
https://doi.org/10.2174/092986730301220224160948
Autor:
Philippe Rasoanaivo, S. Ratsimamanga-Urverg, Marcello Nicoletti, François Frappier, Marie-Thérèse Martin, Corrado Galeffi
Publikováno v:
Tetrahedron. 51:1221-1228
As guided by bioassay to reverse chloroquine resistance in strains of Plasmodium falciparum, three bisisoquinoline alkaloids pertaining to a novel group, the pavine-benzyltetrahydroisoquinoline dimers, were isolated from stem barks of Hernandia voyro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a9fedcb29021da24343ab80ee10cb16f
https://doi.org/10.1016/0040-4020(94)00992-4
https://doi.org/10.1016/0040-4020(94)00992-4
Autor:
F. Verdier, Philippe Rasoanaivo, S. Ratsimamanga-Urverg, Herintsoa Rafatro, R. Milijaona, A. Rakoto-Ratsimamanga, J. Le Bras, B. Robijaona, J. Rakotoarimanga
Publikováno v:
Phytotherapy Research. 8:18-21
Hernandia voyronii is traditionally used as adjuvant to chloroquine in Madagascar. Neutral and basic alkaloidal extracts of this plant were evaluated for their intrinsic in vitro antimalarial activity, cytotoxicity and chloroquine potentiating action
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7334339cf8ffe0f8cf959de591bb041
https://doi.org/10.1002/ptr.2650080105
https://doi.org/10.1002/ptr.2650080105
Autor:
S. Ratsimamanga-Urverg, P. Rasoanaivo
Publikováno v:
Pure and Applied Chemistry. 66:2291-2294
Various plant species termed chloroquine (CQ) adjuvants, have been used to supplement CQ effectiveness in Madagascar. As guided by bioassay to reverse the CQ-resistant strain FCM29 of Plasmodium falciparum , two known bisbenzylisoquinoline alkaloids,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef58a7cb7d372d8437d9f683de0510b1
https://doi.org/10.1351/pac199466102291
https://doi.org/10.1351/pac199466102291
Autor:
A. Rakoto-Ratsimamanga, S. Ratsimamanga-Urverg, Philippe Rasoanaivo, B. Robijaona, Herintsoa Rafatro
Publikováno v:
Annals of Tropical Medicine & Parasitology. 88:271-277
Three new isoquinoline alkaloid dimers with pavine and benzyl-tetrahydroisoquinoline moieties have been isolated, by bioassay-guided fractionation, from an alkaloid extract of Hernandia (= Hazomalania) voyronii Jumelle. All had inherent antiplasmodia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e816928b07dd171e362ab6e7312c9ec
https://doi.org/10.1080/00034983.1994.11812867
https://doi.org/10.1080/00034983.1994.11812867
Publikováno v:
Biochemical Systematics and Ecology. 19:433-437
Burasaia , a genus comprising five species, is endemic to Madagascar. Protoberberine alkaloids, namely palmatine, jatrorrhizine, columbamine were isolated from the roots of three of them: B. congesta, B. gracilis and B. australis together with the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a9bc7fdd9d72b93c3c82a02051fa5e5
https://doi.org/10.1016/0305-1978(91)90060-d
https://doi.org/10.1016/0305-1978(91)90060-d