Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1998-5-22
pubmed:abstractText
Insulin-like growth factors (IGFs) play a central role in brain growth and development, with IGF-1, its receptors and binding proteins (IGFBPs) being highly expressed, particularly in the olfactory bulb (OB), representing a local paracrine system. A potential role of IGFBPs in transporting and targeting IGFs to their receptors is supported by the finding that abundant IGFBP-2 is associated with cell surface proteoglycans. An OB organ culture system expressing IGF-1 and IGFBPs represents an in vitro injury model. Although IGF-1 is potently antiapoptotic for neurons and oligodendrocytes, marked gliosis and IGFBP-3 expression are seen, similar to in vivo injury responses, where intraventricular injection of IGF-1 postinjury enhances neuronal survival by blocking apoptosis. In contrast, des (1-3) IGF-1, which has low affinity for IGFBPs, is ineffective, supporting a transport or receptor targeting role for local IGFBPs. We conclude that the IGF system plays a crucial cell survival and growth role in the developing and injured brain and that IGFs have significant therapeutic potential.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0301-0163
pubmed:author
pubmed:issnType
Print
pubmed:volume
49 Suppl 1
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
37-40
pubmed:dateRevised
2005-11-16
pubmed:meshHeading
pubmed:year
1998
pubmed:articleTitle
The role of the insulin-like growth factor system in the developing brain.
pubmed:affiliation
Centre for Hormone Research, Royal Children's Hospital, Parkville, Vic., Australia.
pubmed:publicationType
Journal Article, Review