{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T01:14:36Z","timestamp":1782954876901,"version":"3.54.5"},"reference-count":58,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["ATVB"],"published-print":{"date-parts":[[2021,1]]},"abstract":"<jats:sec>\n            <jats:title>Objective:<\/jats:title>\n            <jats:p>Exposure of the arterial endothelium to low and disturbed flow is a risk factor for the erosion and rupture of atherosclerotic plaques and aneurysms. Circulating and locally produced proteins are known to contribute to an altered composition of the extracellular matrix at the site of lesions, and to contribute to inflammatory processes within the lesions. We have previously shown that alternative splicing of FN (fibronectin) protects against flow-induced hemorrhage. However, the impact of alternative splicing of FN on extracellular matrix composition remains unknown.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Approach and Results:<\/jats:title>\n            <jats:p>Here, we perform quantitative proteomic analysis of the matrisome of murine carotid arteries in mice deficient in the production of FN splice isoforms containing alternative exons EIIIA and EIIIB (FN-EIIIAB null) after exposure to low and disturbed flow in vivo. We also examine serum-derived and endothelial-cell contributions to the matrisome in a simplified in vitro system. We found flow-induced differences in the carotid artery matrisome that were impaired in FN-EIIIAB null mice. One of the most interesting differences was reduced recruitment of FBLN1 (fibulin-1), abundant in blood and not locally produced in the intima. This defect was validated in our in vitro assay, where FBLN1 recruitment from serum was impaired by the absence of these alternatively spliced segments.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions:<\/jats:title>\n            <jats:p>Our results reveal the extent of the dynamic alterations in the matrisome in the acute response to low and disturbed flow and show how changes in the splicing of FN, a common response in vascular inflammation and remodeling, can affect matrix composition.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/atvbaha.120.314013","type":"journal-article","created":{"date-parts":[[2020,11,19]],"date-time":"2020-11-19T10:03:54Z","timestamp":1605780234000},"update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":16,"title":["Alternative Splicing of FN (Fibronectin) Regulates the Composition of the Arterial Wall Under Low Flow"],"prefix":"10.1161","volume":"41","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2956-1042","authenticated-orcid":true,"given":"Patrick A.","family":"Murphy","sequence":"first","affiliation":[{"name":"Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA (P.A.M., N.J., A.M.D.R., S.B., R.O.H.)."},{"name":"UCONN Health, Center for Vascular Biology and Calhoun Cardiology Center, Farmington, CT (P.A.M., S.-A.N., A.K.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Noor","family":"Jailkhani","sequence":"additional","affiliation":[{"name":"Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA (P.A.M., N.J., A.M.D.R., S.B., R.O.H.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sarah-Anne","family":"Nicholas","sequence":"additional","affiliation":[{"name":"UCONN Health, Center for Vascular Biology and Calhoun Cardiology Center, Farmington, CT (P.A.M., S.-A.N., A.K.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6107-7149","authenticated-orcid":true,"given":"Amanda M.","family":"Del Rosario","sequence":"additional","affiliation":[{"name":"Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA (P.A.M., N.J., A.M.D.R., S.B., R.O.H.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1852-8749","authenticated-orcid":true,"given":"Jeremy L.","family":"Balsbaugh","sequence":"additional","affiliation":[{"name":"UCONN, Proteomics and Metabolomics Facility, Storrs, CT (J.L.B.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shahinoor","family":"Begum","sequence":"additional","affiliation":[{"name":"Koch Institute for Integrative Cancer Research, MIT, Cambridge, MA (P.A.M., N.J., A.M.D.R., S.B., R.O.H.)."},{"name":"Howard Hughes Medical Institute, Chevy Chase, MD (S.B., 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