{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T08:43:14Z","timestamp":1790066594307,"version":"4.0.1"},"reference-count":48,"publisher":"American Society for Clinical Investigation","issue":"7","funder":[{"name":"NIH, AHA","award":["HL-130193"],"award-info":[{"award-number":["HL-130193"]}]},{"name":"NIH, AHA","award":["HL-134740,(JA),HL133254,(JPC),HL-134,40 (NTL),AHA 13SDG14500033 (NTL)"],"award-info":[{"award-number":["HL-134740,(JA),HL133254,(JPC),HL-134,40 (NTL),AHA 13SDG14500033 (NTL)"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2019,4,4]]},"abstract":"<jats:p>\n                    The possible association between the membrane-associated guanylate kinase with inverted domain structure-1 (MAGI1) and inflammation has been suggested, but the molecular mechanisms underlying this link, especially during atherogenesis, remain unclear. In endothelial cells (ECs) exposed to disturbed flow (d-flow), p90 ribosomal S6 kinase (p90RSK) bound to MAGI1, causing MAGI1-S741 phosphorylation and sentrin\/SUMO-specific protease 2 T368 phosphorylation-mediated MAGI1-K931 deSUMOylation. MAGI1-S741 phosphorylation upregulated EC activation via activating Rap1. MAGI1-K931 deSUMOylation induced both nuclear translocation of p90RSK-MAGI1 and ATF-6-MAGI1 complexes, which accelerated EC activation and apoptosis, respectively. Microarray screening revealed key roles for MAGI1 in the endoplasmic reticulum (ER) stress response. In this context, MAGI1 associated with activating transcription factor 6 (ATF-6). MAGI1 expression was upregulated in ECs and macrophages found in atherosclerotic-prone regions of mouse aortas as well as in the colonic epithelia and ECs of patients with inflammatory bowel disease. Further, reduced MAGI1 expression in\n                    <jats:italic>Magi1<\/jats:italic>\n                    <jats:sup>\u2013\/+<\/jats:sup>\n                    mice inhibited d-flow\u2013induced atherogenesis. In sum, EC activation and ER stress\u2013mediated apoptosis are regulated in concert by two different types of MAGI1 posttranslational modifications, elucidating attractive drug targets for chronic inflammatory disease, particularly atherosclerosis.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.125570","type":"journal-article","created":{"date-parts":[[2019,4,3]],"date-time":"2019-04-03T13:41:59Z","timestamp":1554298919000},"source":"Crossref","is-referenced-by-count":52,"title":["MAGI1 as a link between endothelial activation and ER stress drives atherosclerosis"],"prefix":"10.1172","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7439-7774","authenticated-orcid":true,"given":"Jun-ichi","family":"Abe","sequence":"first","affiliation":[{"name":"Department of Cardiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyung 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