Bufalin

Bufalin is a cardiotonic steroid toxin[1] originally isolated from Chinese toad venom, which is a component of some traditional Chinese medicines.[2][3]

Bufalin
Names
IUPAC name
3β,14-Dihydroxy-5β-bufa-20,22-dienolide
Systematic IUPAC name
4-[(1R,3aS,3bR,5aR,7S,9aS,9bS,11aR)-3a,7-Dihydroxy-9a,11a-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.150.073
UNII
  • InChI=1S/C24H34O4/c1-22-10-7-17(25)13-16(22)4-5-20-19(22)8-11-23(2)18(9-12-24(20,23)27)15-3-6-21(26)28-14-15/h3,6,14,16-20,25,27H,4-5,7-13H2,1-2H3/t16-,17+,18-,19+,20-,22+,23-,24+/m1/s1
    Key: QEEBRPGZBVVINN-BMPKRDENSA-N
  • C[C@]12CC[C@@H](C[C@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@@]3(CC[C@@H]4c5ccc(=O)oc5)O)C)O
Properties
C24H34O4
Molar mass 386.532 g·mol−1
Hazards
GHS labelling:
GHS06: Toxic
Danger
H300
P264, P270, P301+P310, P321, P330, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Research

Bufalin has in vitro antitumor effects against various malignant cell lines, including hepatocellular[4] and lung carcinoma.[5] However, as with other bufadienolides, its potential use is hampered by its cardiotoxicity.[6]

References
  1. A Dasgupta, P Datta (1998). "Rapid detection of cardioactive bufalin toxicity using fluorescence polarization immunoassay for digitoxin". Ther Drug Monit. 20 (1): 104–108. doi:10.1097/00007691-199802000-00019.
  2. "Datasheet: Bufotalin sc-sc-200136" (PDF). Santa Cruz Biotechnology, Inc.
  3. Okada, Masahiro; Suga, Toshiro; et al. (April 1960). "Pharmacology of the principles isolated from Senso (Ch'an Su) the dried venom of the Chinese toad (IV)" (PDF). Asian Medical Journal. 3 (4): 155–160.
  4. Zhang ZJ (Feb 2014). "Bufalin attenuates the stage and metastatic potential of hepatocellular carcinoma in nude mice". J Transl Med. 12: 57. doi:10.1186/1479-5876-12-57. PMC 4015709. PMID 24581171.
  5. Wu SH (2014). "Bufalin induces cell death in human lung cancer cells through disruption of DNA damage response pathways". Am J Chin Med. 42 (3): 729–42. doi:10.1142/S0192415X14500475. PMID 24871662.
  6. Ma H (Jul 2012). "The novel antidote Bezoar Bovis prevents the cardiotoxicity of Toad (Bufo bufo gargarizans Canto) Venom in mice". Exp Toxicol Pathol. 64 (5): 417–23. doi:10.1016/j.etp.2010.10.007. PMID 21084181.
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