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COL1A2 gene analysis in a Czech osteogenesis imperfecta patient: a candidate novel mutation in a patient affected by osteogenesis imperfecta type 3

Authors Hrušková L, Mařík I, Mazurová S, Martásek P, Mazura I

Received 16 June 2014

Accepted for publication 14 September 2014

Published 5 August 2015 Volume 2015:5 Pages 275—281


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr John Martignetti

Lucie Hrušková,1 Ivo Mařík,2,3 Stella Mazurová,1 Pavel Martásek,1 Ivan Mazura1

1Department of Pediatrics and Adolescent Medicine, First Faculty of Medicine, Charles University in Prague, Prague, Czech Republic; 2Ambulant Centre for Defects of Locomotor Apparatus 1.1.c., Prague, Czech Republic; 3Faculty of Medical Studies, West Bohemia University, Pilsen, Czech Republic

Abstract: Osteogenesis imperfecta is a heritable bone fragility disease with a heterogenic genetic origin. Most cases result from mutations of either the COL1A1 gene or the COL1A2 gene. We identified a novel COL1A2 gene mutation in a Czech patient, born to unaffected parents, who was diagnosed according to clinical and anthropometric findings and radiographic features as having type 3 osteogenesis imperfecta, which is a severe form of this disease. The identified Gly814Trp mutation was predicted by a number of complementary bioinformatic programs to result in functional alteration of the protein. This case report provides both evidence of a novel COL1A2 mutation resulting in type 3 osteogenesis imperfecta and a genotype:phenotype correlation in this affected individual.

Keywords: osteogenesis imperfecta type 3, collagen, alpha-2 (I) chain, substitution, sequencing

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