{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,23]],"date-time":"2026-10-23T05:59:26Z","timestamp":1792735166779,"version":"4.5.0"},"reference-count":43,"publisher":"American Society for Cell Biology (ASCB)","issue":"17","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["MBoC"],"published-print":{"date-parts":[[2011,9]]},"abstract":"<jats:p>The NF-\u03baB family of transcription factors is a well-established regulator of the immune and inflammatory responses and also plays a key role in other cellular processes, including cell death, proliferation, and migration. Conserved residues in the trans-activation domain of RelA, which can be posttranslationally modified, regulate divergent NF-\u03baB functions in response to different cellular stimuli. Using rela<jats:sup>\u2212\/\u2212<\/jats:sup>mouse embryonic fibroblasts reconstituted with RelA, we find that mutation of the threonine 505 (T505) phospho site to alanine has wide-ranging effects on NF-\u03baB function. These include previously described effects on chemotherapeutic drug-induced apoptosis, as well as new roles for this modification in autophagy, cell proliferation, and migration. This last effect was associated with alterations in the actin cytoskeleton and expression of cellular migration\u2013associated genes such as WAVE3 and \u03b1-actinin 4. We also define a new component of cisplatin-induced, RelA T505\u2013dependent apoptosis, involving induction of NOXA gene expression, an effect explained at least in part through induction of the p53 homologue, p73. Therefore, in contrast to other RelA phosphorylation events, which positively regulate NF-\u03baB function, we identified RelA T505 phosphorylation as a negative regulator of its ability to induce diverse cellular processes such as apoptosis, autophagy, proliferation, and migration.<\/jats:p>","DOI":"10.1091\/mbc.e11-04-0280","type":"journal-article","created":{"date-parts":[[2011,7,8]],"date-time":"2011-07-08T15:04:11Z","timestamp":1310137451000},"page":"3032-3040","source":"Crossref","is-referenced-by-count":39,"title":["The role of RelA (p65) threonine 505 phosphorylation in the regulation of cell growth, survival, and migration"],"prefix":"10.1091","volume":"22","author":[{"given":"Aichi","family":"Msaki","sequence":"first","affiliation":[{"name":"Wellcome Trust Centre for Gene Regulation and Expression, University of Dundee, Dundee DD1 5EH, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana 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