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Phytother Res ; 32(10): 2021-2033, 2018 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-29998591

RESUMO

Species of Aspidosperma are traditionally used to treat malaria, leishmaniasis, microbial, and inflammatory diseases. Aspidosperma subincanum Mart. known as "guatambu" is used in Brazilian traditional medicine to treat diabetes, hypercholesterolemia, and digestive diseases. Its tonic properties have been employed by the indigenous populations to stimulate the circulatory and genitourinary tracts and to improve respiratory function as well as to relieve spasms and to reduce fever. The species is known to contain antitumoural and antimalarial indole alkaloids. In the present study, various less explored biological activities of extracts from leaves and branches of A. subincanum were investigated, that is, inhibition of acetylcholinesterase as well as antioxidant and antibacterial activity. Twenty-one known indole alkaloids from this species were targeted for predicting the inhibition of acetylcholinesterase, and their biological activities were collected from the literature. Through in silico the prediction, the indole alkaloids uleine and derivatives demonstrated a strong probability of being able to inhibit the acetylcholinesterase enzyme, as well as the olivacine derivatives 3,4-dihydroolivacine and N-methyl-tetrahydro-olivacine (guatambuine), and the subincanadines C and E. Indeed, the extracts of A. subincanum showed acetylcholinesterase inhibitory activity, antioxidant activity in the lipid peroxidation assay, and antimicrobial activity against Staphylococcus aureus ATCC 25923, and their pharmacological properties should be explored further.


Assuntos
Aspidosperma/química , Inibidores da Colinesterase/farmacologia , Extratos Vegetais/farmacologia , Acetilcolinesterase , Alcaloides/química , Alcaloides/farmacologia , Antibacterianos/química , Antibacterianos/farmacologia , Antimaláricos/farmacologia , Antioxidantes/química , Antioxidantes/farmacologia , Teorema de Bayes , Brasil , Hidrocarbonetos Aromáticos com Pontes/química , Hidrocarbonetos Aromáticos com Pontes/farmacologia , Inibidores da Colinesterase/química , Alcaloides Indólicos/química , Alcaloides Indólicos/farmacologia , Medicina Tradicional , Testes de Sensibilidade Microbiana , Estrutura Molecular , Compostos Fitoquímicos/química , Compostos Fitoquímicos/farmacologia , Folhas de Planta/química , Máquina de Vetores de Suporte
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