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DOI: 10.1055/s-0030-1270962
© Georg Thieme Verlag KG Stuttgart · New York
New Cytotoxic Cucurbitacins from Wilbrandia ebracteata Cogn.
Publication History
received November 18, 2010
revised January 26, 2011
accepted March 13, 2011
Publication Date:
06 April 2011 (online)
Abstract
Chemical investigation of the roots of Wilbrandia ebracteata Cogn. (Cucurbitaceae) led to the isolation of two new (1–2) and four known (3–6) cucurbitacins. Their structures were elucidated by NMR and MS and compared with related compounds. The in vitro cytotoxicity of isolated compounds was evaluated against RD, KB, HCT-8, and A549 cell lines showing strong activity.
Key words
Wilbrandia ebracteata - Cucurbitaceae - cucurbitacins - cytotoxicity
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References
- 1 Pio Corrêa M. Dicionário das plantas úteis do Brasil e das exóticas cultivadas. Rio de Janeiro; Imprensa Nacional 1984: 458
- 2 Moreira N J. Dicionário de plantas medicinais brasileiras. Rio de Janeiro; Correio Mercantil 1862: 122
- 3 Rizzini C T, Mors W B. Botânica econômica brasileira. São Paulo; EDUSP 1976: 207
- 4 D'Ávila M C. Da flora medicinal do Rio Grande do Sul [dissertation]. Porto Alegre; Universidade Federal do Rio Grande do Sul 1910
- 5 Farmacopéia Brasileira, 1st edition. São Paulo; Atheneu 1929: 885
- 6 Santos R I, Santos M A, Schenkel E P. Analysis of the plant drug Wilbrandia ebracteata (Cogn.). Int J Pharmacognosy. 1996; 34 300-302
- 7 Gonzalez F G, Distasi L C. Anti-ulcerogenic activities of the leaves of Wilbrandia ebracteata in mice. Phytomedicine. 2002; 9 125-134
- 8 Schenkel E P, Farias M R, Mayer R, Breitmaier E, Rucker G. Cucurbitacins from Wilbrandia ebracteata. Phytochemistry. 1992; 31 1329-1333
- 9 Farias M R, Schenkel E P, Mayer R, Rucker G. Cucurbitacins as constituents of Wilbrandia ebracteata. Planta Med. 1993; 59 272-275
- 10 Siqueira J M, Peters R R, Gazola A C, Krepsky P, Farias M R, Rae G A, Brum-Fernandes A J, Ribeiro-Do-Valle R M. Anti-inflammatory effects of a triterpenoid isolated from Wilbrandia ebracteata Cogn. Life Sci. 2007; 80 1382-1387
- 11 Siqueira J M, Gazola A C, Farias M R, Volkov L, Rivard N, Brum-Fernandes A J, Ribeiro-Do-Valle R M. Evaluation of the antitumoral effect of dihydrocucurbitacin-B in both in vitro and in vivo models. Cancer Chemother Pharmacol. 2009; 64 529-538
- 12 Krepsky P B, Cervelin M O, Porath D, Peters R R, Ribeiro-do-Valle R M, Farias M R. High performance liquid chromatography determination of cucurbitacins in the roots of Wilbrandia ebracteata Cogn. Braz J Pharmacognosy. 2009; 19 715-719
- 13 Stuppner H, Kahlig H, Seligmann O, Wagner H. Minor cucurbitacin glycosides from Picrorhiza kurrooa. Phytochemistry. 1990; 29 1633-1637
- 14 Hylands P J, Magd M S. Cucurbitacins from Acanthosicyos horridus. Phytochemistry. 1986; 25 1681-1684
- 15 Mosmann T. Rapid colorimetric assay for cellular growth and survival: application to proliferation and cytotoxicity assays. J Immunol Methods. 1983; 65 55-63
- 16 Van Dang G, Rode B M, Stuppner H. Quantitative electronic structure-activity relationship (QESAR) of natural cytotoxic compounds: maytansinoids, quassinoids and cucurbitacins. Eur J Pharm Sci. 1994; 2 331-350
- 17 Ríos J L, Escandell J M, Recio M C. New insights into the bioactivity of cucurbitacins. Stud Nat Prod Chem. 2005; 32 429-469
Prof. Dr. Eloir Paulo Schenkel
Center of Health Sciences
Department of Pharmaceutical Science
Federal University of Santa Catarina (UFSC)
Campus Universitário Trindade Florianópolis
R. Delfino Conti, s/n
CEP 88040-900 Santa Catarina
Brazil
Phone: +55 48 37 21 50 76
Fax: +55 48 32 44 09 36
Email: eloirschenkel@gmail.com
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