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Study of the antiproliferative potential of seed extracts from Northeastern Brazilian plants Anais da ABC (AABC)
Ferreira,Paulo Michel P.; Farias,Davi F.; Viana,Martônio P.; Souza,Terezinha M.; Vasconcelos,Ilka M.; Soares,Bruno M.; Pessoa,Cláudia; Costa-Lotufo,Letícia V.; Moraes,Manoel O.; Carvalho,Ana F.U..
This study assessed the antiproliferative and cytotoxic potential against tumor lines of ethanolic seed extracts of 21 plant species belonging to different families from Northeastern Brazil. In addition, some underlying mechanisms involved in this cytotoxicity were also investigated. Among the 21 extracts tested, the MTT assay after 72 h of incubation demonstrated that only the ethanolic extract obtained from Myracrodruon urundeuva seeds (EEMUS), which has steroids, alkaloids and phenols, showed in vitro cytotoxic activity against human cancer cells, being 2-fold more active on leukemia HL-60 line [IC50 value of 12.5 (9.5-16.7) μg/mL] than on glioblastoma SF-295 [IC50 of 25.1 (17.3-36.3) μg/mL] and Sarcoma 180 cells [IC50 of 38.1 (33.5-43.4) μg/mL]. After...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antiproliferative potential; Northeastern Brazilian plants; Myracrodruon urundeuva; Sarcoa 180 tumor; Seed extracts.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000300023
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In vitro and in vivo antiproliferative activity of Calotropis procera stem extracts Anais da ABC (AABC)
Magalhães,Hemerson I.F.; Ferreira,Paulo M.P.; Moura,Eraldo S.; Torres,Márcia R.; Alves,Ana P.N.N.; Pessoa,Otília D.L.; Costa-Lotufo,Letícia V.; Moraes,Manoel O.; Pessoa,Cláudia.
The cytotoxic potential of stem organic extracts from Calotropis procera (Asclepiadaceae) was firstly evaluated against cancer cell lines by MTT assay. Subsequently, samples considered cytotoxic were tested for antimitotic activity on sea urchin egg development and for in vivo antiproliferative activity in mice bearing Sarcoma 180 tumor. Among the five extracts (hexane, dichloromethane, ethyl acetate, acetone and methanol), ethyl acetate and acetone extracts displayed higher cytotoxic potential against tumor cells, with IC50 ranging from 0.8 to 4.4 μg/mL, while methanolic extract was weakly cytotoxic. Cytotoxic extracts also exhibited cell division inhibition capacity by antimitotic assay, revealing IC50 values lower than 5 μg/mL. In the in vivo antitumor...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Antimitotic; Antiproliferative; Calotropis procera; Sarcoma 180 tumor; Stem extracts.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000200017
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Folk uses and pharmacological properties of Casearia sylvestris: a medicinal review Anais da ABC (AABC)
Ferreira,Paulo Michel P.; Costa-Lotufo,Leticia V.; Moraes,Manoel O.; Barros,Francisco W.A.; Martins,Aline M.A.; Cavalheiro,Alberto J.; Bolzani,Vanderlan S.; Santos,Andre G.; Pessoa,Claudia.
Folk uses and scientific investigations have highlighted the importance of Casearia sylvestris extracts and their relevant bioactive potential. The aim of this work was to review the pharmacological properties of C. sylvestris, emphasizing its anti-ulcer, anti-inflammatory, anti-ophidian and antitumor potentialities. Ethanolic extracts and essential oil of their leaves have antiulcerogenic activity and reduce gastric volume without altering the stomach pH, which corroborates their consumption on gastrointestinal disorders. Leaf water extracts show phospholipase A2 inhibitory activity that prevents damage effects on the muscular tissue after toxin inoculation. This antiphospholipasic action is probably related to the use as an anti-inflammatory, proposing a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Casearia sylvestris; Folk uses; Pharmacological properties.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000400024
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