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Type V OI Primary Osteoblasts Display Increased Mineralization Despite DecreasedCOL1A1Expression
Author(s) -
Adi Reich,
Alison Bae,
Aileen M. Barnes,
Wayne A. Cabral,
Aleksander Hinek,
Jennifer Stimec,
Suvimol Hill,
David Chitayat,
Joan C. Marini
Publication year - 2014
Publication title -
the journal of clinical endocrinology and metabolism
Language(s) - Uncategorized
Resource type - Journals
eISSN - 1945-7197
pISSN - 0021-972X
DOI - 10.1210/jc.2014-3082
Subject(s) - osteogenesis imperfecta , osteoblast , type i collagen , endocrinology , medicine , mineralization (soil science) , chemistry , wild type , microbiology and biotechnology , mutant , biology , anatomy , biochemistry , in vitro , gene , organic chemistry , nitrogen
Patients with type V osteogenesis imperfecta (OI) are heterozygous for a dominant IFITM5 c.-14C>T mutation, which adds five residues to the N terminus of bone-restricted interferon-induced transmembrane-like protein (BRIL), a transmembrane protein expressed in osteoblasts. Type V OI skeletal findings include hyperplastic callus formation, ossification of the forearm interosseous membrane, and dense metaphyseal bands.

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