Abstract:
:In a precedent report we showed that alpha-bisabolol, a sesquiterpene present widely in the plant kingdom, exerts a rapid and efficient apoptosis-inducing action selectively towards human and murine malignant glioblastoma cell lines through mitochondrial damage. The present study extends these data demonstrating the apoptosis-inducing action of alpha-bisabolol towards highly malignant human pancreatic carcinoma cell lines without affecting human fibroblast viability. The present study further shows the preferential incorporation of alpha-bisabolol to transformed cells through lipid rafts on plasma membranes and, thereafter, direct interaction between alpha-bisabolol and Bid protein, one of pro-apoptotic Bcl-2 family proteins, analyzed either by Surface Plasmon Resonance method or by intrinsic fluorescence measurement. Notions that lipid rafts are rich in plasma membranes of transformed cells and that Bid, richly present in lipid rafts, is deeply involved in lipid transport make highly credible the hypothesis that the molecular mechanism of alpha-bisabolol action may include its capacity to interact with Bid protein.
journal_name
Arch Biochem Biophysjournal_title
Archives of biochemistry and biophysicsauthors
Darra E,Abdel-Azeim S,Manara A,Shoji K,Maréchal JD,Mariotto S,Cavalieri E,Perbellini L,Pizza C,Perahia D,Crimi M,Suzuki Hdoi
10.1016/j.abb.2008.02.004subject
Has Abstractpub_date
2008-08-15 00:00:00pages
113-23issue
2eissn
0003-9861issn
1096-0384pii
S0003-9861(08)00066-0journal_volume
476pub_type
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