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Short-term changes in bone formation markers following growth hormone (GH) treatment in short prepubertal children with a broad range of GH secretion
University of Gothenburg, Sweden.
University of Gothenburg, Sweden.
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för mikrobiologi och molekylär medicin. Linköpings universitet, Medicinska fakulteten. Region Östergötland, Diagnostikcentrum, Klinisk kemi.
University of Gothenburg, Sweden.
2015 (engelsk)Inngår i: Clinical Endocrinology, ISSN 0300-0664, E-ISSN 1365-2265, Vol. 82, nr 1, s. 91-99Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

ObjectivesGrowth hormone (GH) promotes longitudinal growth and bone modelling/remodelling. This study investigated the relationship between levels of bone formation markers and growth during GH treatment in prepubertal children with widely ranging GH secretion levels. MethodsThe study group comprised 113 short prepubertal children (mean ageSD, 937213years; 99 boys) on GH treatment (330 +/- 006g/kg/day) for 1year. Blood samples were taken at baseline and 1 and 2weeks, 1 and 3months, and 1year after treatment start. Intact amino-terminal propeptide of type I procollagen (PINP), bone-specific alkaline phosphatase (BALP) and osteocalcin were measured using an automated IDS-iSYS immunoassay system. ResultsIntact amino-terminal propeptide of type I procollagen (PINP), BALP and osteocalcin, increased in the short-term during GH treatment. PINP after 1week (P=000077), and BALP and osteocalcin after 1month (Pless than00001 and P=00043, respectively). PINP levels at 1 and 3months correlated positively, and osteocalcin levels at 1week and percentage change after 1month correlated negatively, with first year growth response. No significant correlations were found between BALP and first year growth. Multiple regression analysis showed that bone marker levels together with auxological data and insulin-like growth factor binding protein-3 explained the variation in first year growth response to 36% at start, 32% after 2weeks and 48% at 3months. ConclusionShort-term increases in levels of the bone formation markers PINP, BALP and osteocalcin showed different temporal patterns, but all correlated with first year growth response during GH treatment. These markers may be a useful addition to existing prediction models for growth response.

sted, utgiver, år, opplag, sider
Wiley: 12 months , 2015. Vol. 82, nr 1, s. 91-99
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URN: urn:nbn:se:liu:diva-113568DOI: 10.1111/cen.12499ISI: 000346788000014PubMedID: 24818653OAI: oai:DiVA.org:liu-113568DiVA, id: diva2:783096
Merknad

Funding Agencies|Swedish Research Council [7509]; Wilhelm and Martina Lundgrens Foundation; Governmental University Hospital (ALF); West Sweden Region (VGR); County Council of Ostergotland

Tilgjengelig fra: 2015-01-23 Laget: 2015-01-23 Sist oppdatert: 2017-12-05

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