Clinical, cellular, microscopic, and ultrastructural studies of a case of fibrogenesis imperfecta ossium

Melissa L. Barron, Mark S. Rybchyn, Sutharshani Ramesh, Rebecca S. Mason, S. Fiona Bonar, Paul Stalley, Sundeep Khosla, Bernie Hudson, Christopher Arthur, Edward Kim, Roderick J. Clifton-Bligh, Phillip B. Clifton-Bligh

Research output: Contribution to journalArticle

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Abstract

Fibrogenesis imperfecta ossium is a rare disorder of bone usually characterized by marked osteopenia and associated with variable osteoporosis and osteosclerosis, changing over time. Histological examination shows that newly formed collagen is abnormal, lacking birefringence when examined by polarized light. The case presented demonstrates these features and, in addition, a previously undocumented finding of a persistent marked reduction of the serum C3 and C4. Osteoblasts established in culture from a bone biopsy showed abnormal morphology on electron microscopy and increased proliferation when cultured with benzoylbenzoyl-ATP and 1,25-dihydroxyvitamin D, contrasting with findings in normal osteoblasts in culture. A gene microarray study showed marked upregulation of the messenger RNA (mRNA) for G-protein-coupled receptor 128 (GPR 128), an orphan receptor of unknown function and also of osteoprotegerin in the patient's osteoblasts in culture. When normal osteoblasts were cultured with the patient's serum, there was marked upregulation of the mRNA for aquaporin 1. A single pathogenetic factor to account for the features of this disorder has not been defined, but the unique findings described here may facilitate more definitive investigation of the abnormal bone cell function.

Original languageEnglish (US)
Article number16057
JournalBone Research
Volume5
DOIs
StatePublished - Mar 14 2017

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Osteoblasts
Bone and Bones
Up-Regulation
Osteosclerosis
Aquaporin 1
Birefringence
Osteoprotegerin
Messenger RNA
Metabolic Bone Diseases
G-Protein-Coupled Receptors
Serum
Osteoporosis
Electron Microscopy
Collagen
Biopsy
Light
Genes

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Histology
  • Physiology

Cite this

Barron, M. L., Rybchyn, M. S., Ramesh, S., Mason, R. S., Fiona Bonar, S., Stalley, P., ... Clifton-Bligh, P. B. (2017). Clinical, cellular, microscopic, and ultrastructural studies of a case of fibrogenesis imperfecta ossium. Bone Research, 5, [16057]. https://doi.org/10.1038/boneres.2016.57

Clinical, cellular, microscopic, and ultrastructural studies of a case of fibrogenesis imperfecta ossium. / Barron, Melissa L.; Rybchyn, Mark S.; Ramesh, Sutharshani; Mason, Rebecca S.; Fiona Bonar, S.; Stalley, Paul; Khosla, Sundeep; Hudson, Bernie; Arthur, Christopher; Kim, Edward; Clifton-Bligh, Roderick J.; Clifton-Bligh, Phillip B.

In: Bone Research, Vol. 5, 16057, 14.03.2017.

Research output: Contribution to journalArticle

Barron, ML, Rybchyn, MS, Ramesh, S, Mason, RS, Fiona Bonar, S, Stalley, P, Khosla, S, Hudson, B, Arthur, C, Kim, E, Clifton-Bligh, RJ & Clifton-Bligh, PB 2017, 'Clinical, cellular, microscopic, and ultrastructural studies of a case of fibrogenesis imperfecta ossium', Bone Research, vol. 5, 16057. https://doi.org/10.1038/boneres.2016.57
Barron, Melissa L. ; Rybchyn, Mark S. ; Ramesh, Sutharshani ; Mason, Rebecca S. ; Fiona Bonar, S. ; Stalley, Paul ; Khosla, Sundeep ; Hudson, Bernie ; Arthur, Christopher ; Kim, Edward ; Clifton-Bligh, Roderick J. ; Clifton-Bligh, Phillip B. / Clinical, cellular, microscopic, and ultrastructural studies of a case of fibrogenesis imperfecta ossium. In: Bone Research. 2017 ; Vol. 5.
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