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Alanay, Yasemin; Avaygan, Hrispima; Camacho, Natalia; Utine, G. Eda; Boduroglu, Koray; Aktas, Dilek; Alikasifoglu, Mehmet; Tuncbilek, Ergul; Orhan, Diclehan; Bakar, Filiz Tiker; Zabel, Bernard; Superti-Furga, Andrea; Bruckner-Tuderman, Leena; Curry, Cindy J. R.; Pyott, Shawna; Byers, Peter H.; Eyre, David R.; Baldridge, Dustin; Lee, Brendan; Merrill, Amy E.; Merrill, Amy E.
{ "DOI": "10.1016/j.ajhg.2010.02.022", "abstract": "Osteogenesis imperfecta is a clinically and genetically heterogeneous brittle bone disorder that results from defects in the synthesis, structure, or posttranslational modification of type I procollagen. Dominant forms of OI result from mutations in COL1A1 or COL1A2, which encode the chains of the type I procollagen heterotrimer. The mildest form of OI typically results from diminished synthesis of structurally normal type 1 procollagen, whereas moderately severe to lethal forms of OI usually result from structural defects in one of the type 1 procollagen chains. Recessively inherited OI, usually phenotypically severe, has recently been shown to result from defects in the prolyl-3-hydroxylase complex that lead to the absence of a single 3-hydroxyproline at residue 986 of the alpha 1 (I) triple helical domain. We studied a cohort of five consanguineous Turkish families, originating from the Black Sea region of Turkey, with moderately severe recessively inherited OI and identified a novel locus for OI on chromosome 17. In these families, and in a Mexican-American family, homozygosity for mutations in FKBP10, which encodes FKBP65, a chaperone that participates in type 1 procollagen folding, was identified. Further, we determined that FKBP10 mutations affect type I procollagen secretion. These findings identify a previously unrecognized mechanism in the pathogenesis of OI.", "author": [ { "family": "Alanay", "given": " Yasemin" }, { "family": "Avaygan", "given": " Hrispima" }, { "family": "Camacho", "given": " Natalia" }, { "family": "Utine", "given": " G. Eda" }, { "family": "Boduroglu", "given": " Koray" }, { "family": "Aktas", "given": " Dilek" }, { "family": "Alikasifoglu", "given": " Mehmet" }, { "family": "Tuncbilek", "given": " Ergul" }, { "family": "Orhan", "given": " Diclehan" }, { "family": "Bakar", "given": " Filiz Tiker" }, { "family": "Zabel", "given": " Bernard" }, { "family": "Superti-Furga", "given": " Andrea" }, { "family": "Bruckner-Tuderman", "given": " Leena" }, { "family": "Curry", "given": " Cindy J. R." }, { "family": "Pyott", "given": " Shawna" }, { "family": "Byers", "given": " Peter H." }, { "family": "Eyre", "given": " David R." }, { "family": "Baldridge", "given": " Dustin" }, { "family": "Lee", "given": " Brendan" }, { "family": "Merrill", "given": " Amy E." }, { "family": "Merrill", "given": " Amy E." } ], "container_title": "AMERICAN JOURNAL OF HUMAN GENETICS", "id": "25305", "issue": "4", "issued": { "date-parts": [ [ 2010, 1, 1 ] ] }, "page": "551-559", "title": "Mutations in the Gene Encoding the RER Protein FKBP65 Cause Autosomal-Recessive Osteogenesis Imperfecta", "type": "article-journal", "volume": "86" }
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