{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T15:22:17Z","timestamp":1782400937334,"version":"3.54.5"},"reference-count":23,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2014,3,25]],"date-time":"2014-03-25T00:00:00Z","timestamp":1395705600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2014,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:label\/><jats:p>Osteogenesis imperfecta (OI) is a condition of decreased bone density with heterogeneous etiologies. Most of the cases are inherited in an autosomal dominant fashion and are caused by mutations in the <jats:italic>COL1A1<\/jats:italic> or <jats:italic>COL1A2<\/jats:italic> genes. Since these two genes are very large, there are no data about mutations in Indian patients with OI. We selected 35 Indian patients who were clinically diagnosed with OI and all exons of both the genes were sequenced. Mutations in <jats:italic>COL1A1<\/jats:italic> (14 cases, 6 novel) and <jats:italic>COL1A2<\/jats:italic> (11 cases, 7 novel) were identified in 25 patients. A total of 55 polymorphisms were identified in both the genes with eight novel variants in the coding region, and nine novel variants in the non\u2010coding regions. No mutation was detected in 10 patients. Six of them were from consanguineous families, with one or two similarly affected siblings suggesting possible autosomal recessive inheritance. If we exclude families with consanguinity, mutations were identified in 25 out of 29 families giving 86% mutation detection rate. Mutations in <jats:italic>COL1A1<\/jats:italic> accounted for 56% of the cases and <jats:italic>COL1A2<\/jats:italic> 44%, which is similar to the reported rate worldwide. \u00a9 2014 Wiley Periodicals, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajmg.a.36481","type":"journal-article","created":{"date-parts":[[2014,3,25]],"date-time":"2014-03-25T17:07:27Z","timestamp":1395767247000},"page":"1482-1489","source":"Crossref","is-referenced-by-count":31,"title":["Mutation spectrum of <i>COL1A1<\/i> and <i>COL1A2<\/i> genes in Indian patients with osteogenesis imperfecta"],"prefix":"10.1002","volume":"164","author":[{"given":"Joshi","family":"Stephen","sequence":"first","affiliation":[{"name":"Department of Medical Genetics Sanjay Gandhi Postgraduate Institute of Medical Sciences Lucknow Uttar Pradesh India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anju","family":"Shukla","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics Sanjay Gandhi 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