{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T09:52:40Z","timestamp":1777715560103,"version":"3.51.4"},"reference-count":55,"publisher":"American Society for Cell Biology (ASCB)","issue":"20","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["MBoC"],"published-print":{"date-parts":[[2018,10]]},"abstract":"<jats:p> The mitogen-activated protein kinases (MAPKs) regulate a variety of cellular processes. The three main MAPK cascades are the extracellular signal-regulated kinases (ERK), c-Jun N-terminal kinase (JNK), and p38 kinases. A typical MAPK cascade is composed of MAP3K-MAP2K-MAPK kinases that are held by scaffold proteins. Scaffolds function to assemble the protein tier and contribute to the specificity and efficacy of signal transmission. WD repeat domain 62 (WDR62) is a JNK scaffold protein, interacting with JNK, MKK7, and several MAP3Ks. The loss of WDR62 in human leads to microcephaly and pachygyria. Yet the role of WDR62 in cellular function is not fully studied. We used the CRISPR\/Cas9 and short hairpin RNA approaches to establish a human breast cancer cell line MDA-MB-231 with WDR62 loss of function and studied the consequence to JNK signaling. In growing cells, WDR62 is responsible for the basal expression of c-Jun. In stressed cells, WDR62 specifically mediates TNF\u03b1\u2212dependent JNK activation through the association with both the adaptor protein, TNF receptor-associated factor 2 (TRAF2), and the MAP3K protein, mixed lineage kinase 3. TNF\u03b1-dependent JNK activation is mediated by WDR62 in HCT116 and HeLa cell lines as well. MDA-MB-231 WDR62-knockout cells display increased resistance to TNF\u03b1\u2212induced cell death. Collectively, WDR62 coordinates the TNF\u03b1 receptor signaling pathway to JNK activation through association with multiple kinases and the adaptor protein TRAF2. <\/jats:p>","DOI":"10.1091\/mbc.e17-08-0504","type":"journal-article","created":{"date-parts":[[2018,8,9]],"date-time":"2018-08-09T10:00:49Z","timestamp":1533808849000},"page":"2470-2480","source":"Crossref","is-referenced-by-count":16,"title":["WDR62 mediates TNF\u03b1-dependent JNK activation via TRAF2-MLK3 axis"],"prefix":"10.1091","volume":"29","author":[{"given":"Elad","family":"Prinz","sequence":"first","affiliation":[{"name":"Department of Cell Biology and Cancer Science, B. Rappaport Faculty of Medicine, Technion\u2014Israel Institute of Technology, Haifa 31096, Israel"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sharon","family":"Aviram","sequence":"additional","affiliation":[{"name":"Department of Cell Biology and Cancer Science, B. 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