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https://doi.org/10.1016/0009-3084(92)90067-Y
Title: | Effect of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and its toxic metabolites on the physicochemical property of the liposomal membrane in relation to their cytochrome P-450 inhibition | Authors: | Das, N.P. Shahi, G.S. Moochhala, S.M. Sato, T. Sunamoto, J. |
Keywords: | Changes in membrane fluidity Cytochrome P-450 inhibition MPDP+(1-methyl-4-phenyl-2,3-dihydropyridinium) MPP+(1-methyl-4-phenylpyridinium) MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) |
Issue Date: | 1992 | Citation: | Das, N.P., Shahi, G.S., Moochhala, S.M., Sato, T., Sunamoto, J. (1992). Effect of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) and its toxic metabolites on the physicochemical property of the liposomal membrane in relation to their cytochrome P-450 inhibition. Chemistry and Physics of Lipids 62 (3) : 303-310. ScholarBank@NUS Repository. https://doi.org/10.1016/0009-3084(92)90067-Y | Abstract: | The effects of the neurotoxin MPTP (1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine) and its toxic metabolites MPDP+ (1-methyl-4-phenyl-2,3-dihydropryridinium) and MPP+ (1-methyl-4-phenylpyridinium) on liposomal membrane were assessed using fluorescence-polarization and carboxyfluorescein leakage studies as well as in biological membrane preparations. Of the three compounds, MPTP was found to cause the greatest perturbation of membrane followed by MPDP+ and then MPP+. The ability of the three toxins to inhibit cytochrome P-450 enzyme activity (a microsomal membrane-bound enzyme system) was also studied and their relative potency was again found to be MPTP > MPDP+ > MPP+. The changes in the physicochemical property of the liposomal membrane can be related to the ability of the neurotoxins's ability to inhibit cytochrome P-450 activity. | Source Title: | Chemistry and Physics of Lipids | URI: | http://scholarbank.nus.edu.sg/handle/10635/32254 | ISSN: | 00093084 | DOI: | 10.1016/0009-3084(92)90067-Y |
Appears in Collections: | Staff Publications |
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