{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,15]],"date-time":"2026-01-15T00:04:27Z","timestamp":1768435467474,"version":"3.49.0"},"reference-count":22,"publisher":"Wiley","issue":"10","license":[{"start":{"date-parts":[[2014,8,5]],"date-time":"2014-08-05T00:00:00Z","timestamp":1407196800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"TUBITAK"},{"name":"Swiss National Foundation","award":["310030_132940"],"award-info":[{"award-number":["310030_132940"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:sec><jats:label\/><jats:p>Camurati\u2013Engelmann disease is characterized by hyperostosis of the long bones and the skull, muscle atrophy, severe limb pain, and progressive joint contractures in some patients. It is caused by heterozygous mutations in the transforming growth factor \u03b21 (<jats:italic>TGF<\/jats:italic>\u03b2<jats:italic>1<\/jats:italic>) believed to result in improper folding of the latency\u2010associated peptide domain of TGF\u03b21 and thus in increased or deregulated bioactivity. Losartan, an angiotensin II type 1 receptor antagonist, has been found to downregulate the expression of TGF\u03b2 type 1 and 2 receptors. Clinical trials with losartan have shown a benefit in Marfan syndrome, while trials are underway for Duchenne muscular dystrophy and other myopathies associated with TGF\u03b21 signaling. We hypothesized that due to its anti\u2010TGF\u03b21 activity, losartan might be beneficial in Camurati\u2013Engelmann disease. This report concerns a boy who presented at age 13 years with severe limb pain and difficulty in walking. Clinical and radiographic evaluation results were compatible with Camurati\u2013Engelmann disease and the diagnosis was confirmed by mutation analysis (c.652C\u2009&gt;\u2009T [p.Arg218Cys]). The boy underwent an experimental treatment with losartan at a dosage of 50\u2009mg\/day, orally. During the treatment period of 18 months, the intensity and frequency of limb pain decreased significantly (as shown by a pain diary), and muscle strength improved, allowing the boy to resume walking and climbing stairs. No obvious side effects were observed. We cautiously conclude that <jats:italic>TGF<\/jats:italic>\u03b2<jats:italic>1<\/jats:italic> inhibition with losartan deserves further evaluation in the clinical management of Camurati\u2013Engelmann disease. \u00a9 2014 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajmg.a.36692","type":"journal-article","created":{"date-parts":[[2014,8,5]],"date-time":"2014-08-05T18:04:22Z","timestamp":1407261862000},"page":"2667-2671","source":"Crossref","is-referenced-by-count":20,"title":["Positive effects of an angiotensin II type 1 receptor antagonist in Camurati\u2013Engelmann disease: A single case observation"],"prefix":"10.1002","volume":"164","author":[{"given":"Pelin Ozlem","family":"Simsek\u2010Kiper","sequence":"first","affiliation":[{"name":"Unit of Pediatric Genetics Department of Pediatrics Hacettepe University Medical Faculty Ankara Turkey"},{"name":"Division of Molecular Pediatrics Department of Pediatrics University of Lausanne, Centre Hospitalier Universitaire 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