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| Content Provider | PubMed Central |
|---|---|
| Author | Kim, Woo Jae Kim, Joon Hyun Jang, Sung Key |
| Copyright Year | 2007 |
| Abstract | The signaling lipid molecule 15-deoxy-delta 12,14-prostaglandin J2 (15d-PGJ2) has multiple cellular functions, including anti-inflammatory and antineoplastic activities. Here, we report that 15d-PGJ2 blocks translation through inactivation of translational initiation factor eIF4A. Binding of 15d-PGJ2 to eIF4A blocks the interaction between eIF4A and eIF4G that is essential for translation of many mRNAs. Cysteine 264 in eIF4A is the target site of 15d-PGJ2. The antineoplastic activity of 15d-PGJ2 is likely attributed to inhibition of translation. Moreover, inhibition of translation by 15d-PGJ2 results in stress granule (SG) formation, into which TRAF2 is sequestered. The sequestration of TRAF2 contributes to the anti-inflammatory activity of 15d-PGJ2. These findings reveal a novel cross-talk between translation and inflammatory response, and offer new approaches to develop anticancer and anti-inflammatory drugs that target translation factors including eIF4A. |
| Related Links | http://dx.doi.org/10.1038/sj.emboj.7601920 |
| Ending Page | 5032 |
| Page Count | 13 |
| Starting Page | 5020 |
| File Format | |
| ISSN | 02614189 |
| e-ISSN | 14602075 |
| Journal | The EMBO Journal |
| Issue Number | 24 |
| Volume Number | 26 |
| Language | English |
| Publisher | Nature Publishing Group |
| Publisher Date | 2007-12-12 |
| Access Restriction | Open |
| Rights Holder | Nature Publishing Group |
| Subject Keyword | Biochemistry, Genetics and Molecular Biology(all) Immunology and Microbiology(all) Neuroscience(all) Molecular Biology Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neuroscience Immunology and Microbiology Medicine Molecular Biology |
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