Abstract:
:Growth hormone (GH) promotes longitudinal growth and bone mineralization. In this study, a proteomic approach was used to analyze the association between serum protein expression pattern and height-adjusted bone mineralization in short prepubertal children receiving GH treatment. Patterns of protein expression were compared with those associated with longitudinal bone growth. Specific protein expression patterns associated with changes in height-adjusted bone mineralization in response to GH treatment were identified. Out of the 37 peaks found in significant regression models, 27 were uniquely present in models correlated with changes in bone mineralization and 7 peaks were uniquely present in models correlated with changes in height. The peaks identified corresponded to apolipoproteins, transthyretin, serum amyloid A4 and hemoglobin beta. We conclude that a proteomic approach could be used to identify specific protein expression patterns associated with bone mineralization in response to GH treatment and that height-adjusted bone mineralization and longitudinal bone growth are regulated partly by the same and partly by different mechanisms. Protein isoforms with different post-translational modifications might be of importance in the regulation of these processes. However, further validation is needed to assess the clinical significance of the results.
journal_name
J Proteomicsjournal_title
Journal of proteomicsauthors
Andersson B,Decker R,Nierop AF,Bosaeus I,Albertsson-Wikland K,Hellgren Gdoi
10.1016/j.jprot.2010.08.007subject
Has Abstractpub_date
2011-01-01 00:00:00pages
89-100issue
1eissn
1874-3919issn
1876-7737pii
S1874-3919(10)00247-2journal_volume
74pub_type
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