DURAN, Ivan, Lisette NEVAREZ, Anna SARUKHANOV, Sulin WU, Katrina LEE, Pavel KREJČÍ, Maryann WEIS, David EYRE, Deborah KRAKOW and Daniel H. COHN. HSP47 and FKBP65 cooperate in the synthesis of type I procollagen. Human Molecular Genetics. Oxford: Oxford Univ Press, 2015, vol. 24, No 7, p. 1918-1928. ISSN 0964-6906. Available from: https://dx.doi.org/10.1093/hmg/ddu608.
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Basic information
Original name HSP47 and FKBP65 cooperate in the synthesis of type I procollagen
Authors DURAN, Ivan (840 United States of America), Lisette NEVAREZ (840 United States of America), Anna SARUKHANOV (840 United States of America), Sulin WU (840 United States of America), Katrina LEE (840 United States of America), Pavel KREJČÍ (203 Czech Republic, guarantor, belonging to the institution), Maryann WEIS (840 United States of America), David EYRE (840 United States of America), Deborah KRAKOW (840 United States of America) and Daniel H. COHN (840 United States of America).
Edition Human Molecular Genetics, Oxford, Oxford Univ Press, 2015, 0964-6906.
Other information
Original language English
Type of outcome Article in a journal
Field of Study Genetics and molecular biology
Country of publisher United Kingdom of Great Britain and Northern Ireland
Confidentiality degree is not subject to a state or trade secret
Impact factor Impact factor: 5.985
RIV identification code RIV/00216224:14110/15:00082311
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1093/hmg/ddu608
UT WoS 000353065300010
Keywords in English MOLECULAR CHAPERONE HSP47; RECESSIVE OSTEOGENESIS IMPERFECTA; COLLAGEN TRIPLE-HELIX; BRUCK SYNDROME; PROXIMITY LIGATION; BONE-FORMATION; PROTEIN; EXPRESSION; MUTATIONS; PATIENT
Tags EL OK
Tags International impact, Reviewed
Changed by Changed by: Ing. Mgr. Věra Pospíšilíková, učo 9005. Changed: 2/6/2015 17:07.
Abstract
Osteogenesis Imperfecta (OI) is a genetic disorder that results in low bone mineral density and brittle bones. Most cases result from dominant mutations in the type I procollagen genes, but mutations in a growing number of genes have been identified that produce autosomal recessive forms of the disease. Among these include mutations in the genes SERPINH1 and FKBP10 which encode the type I procollagen chaperones HSP47 and FKBP65, respectively, and predominantly produce a moderately severe form of OI. Little is known about the biochemical consequences of the mutations and how they produce OI. We have identified a new OI mutation in SERPINH1 that results in destabilization and mislocalization of HSP47, and secondarily has similar effects on FKBP65. We found evidence that HSP47 and FKBP65 act cooperatively during posttranslational maturation of type I procollagen and that FKBP65 and HSP47, but fail to properly interact in mutant HSP47 cells. These results thus reveal a common cellular pathway in cases of OI caused by HSP47 and FKBP65 deficiency.
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