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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2002-7-17
pubmed:abstractText
Uncontrolled diabetes is associated with growth retardation. We investigated the effect of insulin-dependent diabetes on animal growth and IGF-I gene expression in the epiphyseal growth plate region of the long bones. We also studied the effect of GH administration on somatic growth in the diabetic state. Streptozotocin (STZ)-injected diabetic rats had a decreased somatic growth rate in comparison to controls. GH administration (2.5 U/kg day) in the diabetic animals (DGH group) prevented this decrease. Serum IGF-I levels were decreased in both diabetic and DGH animals. Within 72 h from diabetes onset, IGF-I mRNA levels in epiphyseal growth plate homogenates decreased whereas IGF-I receptor mRNA levels increased in diabetic animals. The decrease in IGF-I mRNA transcript levels was localized to the metaphyseal region by in situ hybridization. We conclude that in the STZ-induced diabetic state, the reduction in linear growth is associated with a parallel decrease in IGF-I gene expression at the epiphyseal growth plate area. Diabetic growth retardation can be reversed with GH administration, which does not reconstitute serum IGF-I levels. Therefore, we speculate that GH in this model may act locally through the skeletal GH-IGF-I system.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jun
pubmed:issn
0940-5429
pubmed:author
pubmed:issnType
Print
pubmed:volume
39
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
61-7
pubmed:dateRevised
2009-11-19
pubmed:meshHeading
pubmed:year
2002
pubmed:articleTitle
Involvement of the skeletal GH-IGF system in an experimental model of diabetes-induced growth retardation.
pubmed:affiliation
Department of Microbiology and Immunology, Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel.
pubmed:publicationType
Journal Article