Abstract:
:Ibuprofen is a member of the proprionic acid group of nonsteroidal anti-inflammatory drugs (NSAID), with the S-enantiomer being more active than the R-enantiomer. It has been shown to display protective effects against neuroinflammation, which is linked to the pathogenesis of several neurodegenerative disorders, including Alzheimer's disease (AD). While its prophylactic effect on AD has been suggested, a comprehensive understanding of its mechanism of action remains unclear. Using iTRAQ-coupled 2-D LC-MS/MS analysis, we report here the first study of protein profiles of neuroblastoma cells incubated separately with the two enantiomers of ibuprofen. Three types of cellular proteins, including metabolic enzymes, signaling molecules and cytoskeletal proteins, displayed changes. The changes in the level of a number of enzymes involved in fatty acid synthesis and antioxidant activity in cells incubated with the S-enantiomer were further supported by the real-time PCR analysis as well as the reduced level of reactive oxygen species in cells incubated with the S-enantiomer of ibuprofen. Our findings, therefore, provide the possible mechanism of ibuprofen-induced proteins on AD, and the beneficial effects of ibuprofen in reducing the development of AD.
journal_name
Proteomicsjournal_title
Proteomicsauthors
Zhang J,Sui J,Ching CB,Chen WNdoi
10.1002/pmic.200700556subject
Has Abstractpub_date
2008-04-01 00:00:00pages
1595-607issue
8eissn
1615-9853issn
1615-9861journal_volume
8pub_type
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