Journal
FITOTERAPIA
Volume 82, Issue 7, Pages 1027-1034Publisher
ELSEVIER
DOI: 10.1016/j.fitote.2011.06.006
Keywords
Calophyllum brasiliense; Calanolides; HIV-1 RT; Toxicity
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Funding
- DGAPA-UNAM [IN203810]
- Julio Cesar Garcia Zebadua
- Posgrado en Ciencias Biologicas-UNAM
- CONACyT
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Calophyllum species are sources of calanolides, which inhibit human immunodeficiency virus type 1 reverse transcriptase (HIV-1 RT). The hexane extract of the leaves from C. brasiliense collected in Soconusco, State of Chiapas, Mexico, analyzed by HPLC showed to contain apetalic acid, calanolides B, and C. It showed potent anti-HIV-1 RT inhibition (IC50=20.2 mg/ml), but was not toxic in mice (LD50 = 1.99 g/kg). The histological study of the mice treated at the highest dose revealed no alteration on hepatocytes, and an increase in the number of spleen megakaryocytes. These results suggest this extract is suitable to continue studies for developing a phytodrug against HIV-1. (C) 2011 Elsevier B.V. All rights reserved.
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