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Tian HY, Luo SL, Liu JS, Wang L, Wang Y, Zhang DM, Zhang XQ, Jiang RW, Ye WC. C23 steroids from the venom of Bufo bufo gargarizans. JOURNAL OF NATURAL PRODUCTS 2013; 76:1842-1847. [PMID: 24050254 DOI: 10.1021/np400174f] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Five new C23 steroids (1-5) together with five known bufadienolides (6-10) were isolated from the venom of Bufo bufo gargarizans (ChanSu in Chinese). The structures of the new steroids were elucidated by extensive spectroscopic methods in combination with X-ray diffraction analysis. Among these C23 steroids, only compound 3 showed cytotoxicities against HepG2 and A549 cancer cells, with respective IC50 values of 26.8 ± 8.3 and 45.6 ± 2.5 μM. In contrast, the bufadienolides (7-10) displayed potent inhibitory activities against these cancer cells, with respective IC50 values in the ranges 0.5-5.5 and 0.6-6.5 μM, but relatively less cytotoxicity on normal mouse spleen cells. In addition, the Na(+)/K(+)-ATPase inhibitory activities of 2, 5, and 7 revealed that the lactone moiety of a bufadienolide was important for the inhibitory activity.
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Affiliation(s)
- Hai-Yan Tian
- Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University , Guangzhou 510632, People's Republic of China
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Iseli E, Weiss E, Reichstein T, Chen KK. Papierchromatographische Prüfung der Sekrete von Bufo melanostictus Schneider und Bufo asper Gravenhorst Krötengifte, 30. Mitteilung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19640470114] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Hofer P, Linde H, Meyer K. Konstitution des Arenobufagins. Über Krötengifte, 23. Mitteilung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19600430711] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Ruckstuhl JP, Meyer K. Isolierung und Aufteilung der chloroformlöslichen Bestandteile der chinesischen Krötengiftdroge Ch'an Su. Über Krötengifte, 10. Mitteilung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19570400519] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Schröter H, Meyer K. Zur Ozonolyse von Bufadienoliden. Über Krötengifte, 16. Mitteilung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19590420305] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Meyer K. Über herzaktive Krötengifte (Bufogenine) 4. Mitteilung. Konstitution des gamabufotalins. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19490320528] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Katz A. Über die Glykoside von Bowiea volubilis Harvey. 3. Mitteilung. Glykoside und Aglykone, 119. Mitteilung. Helv Chim Acta 2004. [DOI: 10.1002/hlca.19530360627] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Affiliation(s)
- P S Steyn
- SASOL Centre for Chemistry, Potchefstroom University for CHE, South Africa
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