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However, little is currently known about how these <jats:styled-content style=\"fixed-case\">\n<jats:italic>CAV1<\/jats:italic>\n<\/jats:styled-content> mutations impact caveolae formation or contribute to the development of disease. Here, we identify a heterozygous <jats:styled-content style=\"fixed-case\">F160X<\/jats:styled-content> <jats:italic>\n<jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content>\n<\/jats:italic> mutation predicted to generate a C\u2010terminally truncated mutant protein in a patient with both <jats:styled-content style=\"fixed-case\">PAH<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">CGL<\/jats:styled-content> using whole exome sequencing, and characterize the properties of <jats:styled-content style=\"fixed-case\">\n<jats:italic>CAV1<\/jats:italic>\n<\/jats:styled-content>, caveolae\u2010associated proteins and caveolae in skin fibroblasts isolated from the patient. We show that morphologically defined caveolae are present in patient fibroblasts and that they function in mechanoprotection. However, they exhibited several notable defects, including enhanced accessibility of the C\u2010terminus of wild\u2010type <jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content> in caveolae, reduced colocalization of cavin\u20101 with <jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content> and decreased stability of both <jats:styled-content style=\"fixed-case\">8S<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">70S<\/jats:styled-content> oligomeric <jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content> complexes that are necessary for caveolae formation. These results were verified independently in reconstituted <jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content>\n<jats:sup>\u2212\/\u2212<\/jats:sup> mouse embryonic fibroblasts. These findings identify defects in caveolae that may serve as contributing factors to the development of <jats:styled-content style=\"fixed-case\">PAH<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">CGL<\/jats:styled-content> and broaden our knowledge of <jats:italic>\n<jats:styled-content style=\"fixed-case\">CAV1<\/jats:styled-content><\/jats:italic> mutations associated with human disease.<\/jats:p><jats:p><jats:inline-graphic xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"graphic\/tra12452-gra-0001.png\" xlink:title=\"image\"\/><\/jats:p>","DOI":"10.1111\/tra.12452","type":"journal-article","created":{"date-parts":[[2016,9,26]],"date-time":"2016-09-26T14:50:28Z","timestamp":1474901428000},"page":"1297-1312","source":"Crossref","is-referenced-by-count":58,"title":["Characterization of a caveolin\u20101 mutation associated with both pulmonary arterial hypertension and congenital generalized lipodystrophy"],"prefix":"10.1111","volume":"17","author":[{"given":"Bing","family":"Han","sequence":"first","affiliation":[{"name":"Department of Molecular Physiology and Biophysics Vanderbilt School of Medicine  Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Courtney A.","family":"Copeland","sequence":"additional","affiliation":[{"name":"Department of Molecular Physiology and Biophysics Vanderbilt School of Medicine  Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yumeko","family":"Kawano","sequence":"additional","affiliation":[{"name":"Departments of Pediatrics and Medicine Columbia University Medical Center  New York City New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Erika Berman","family":"Rosenzweig","sequence":"additional","affiliation":[{"name":"Departments of Pediatrics and Medicine Columbia University Medical Center  New York City New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eric D.","family":"Austin","sequence":"additional","affiliation":[{"name":"Division of Allergy, Pulmonary and Immunology Medicine, Department of Pediatrics Vanderbilt University School of Medicine  Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Layla","family":"Shahmirzadi","sequence":"additional","affiliation":[{"name":"Ambry Genetics  Aliso Viejo California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sha","family":"Tang","sequence":"additional","affiliation":[{"name":"Ambry Genetics  Aliso Viejo California"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Krishnan","family":"Raghunathan","sequence":"additional","affiliation":[{"name":"Departments of Pediatrics and Medicine Columbia University Medical Center  New York City New York"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wendy 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