Evidence map›Paper›PMID 20235220›Full record

ArticleGlia2010

beta-catenin mediates insulin-like growth factor-I actions to promote cyclin D1 mRNA expression, cell proliferation and survival in oligodendroglial cultures.

Ping Ye, Qichen Hu, Hedi Liu, Yun Yan, A Joseph D'ercole

Abstract read
In one paragraph

Article in Glia, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
2.3field-weighted citation impact, top 12% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

23 citing papers in PubMed, 47 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Ping YeDepartment of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-7039, USA. ping_ye@med.unc.edu
Qichen Hu
Hedi Liu
Yun Yan
A Joseph D'ercole
University of North Carolina at Chapel Hill · US

Funding

THE HORMONAL CONTROL OF FETAL GROWTHR01HD008299 · NICHD · UNIV OF NORTH CAROLINA CHAPEL HILL · PI D'ERCOLE, AUGUSTINE JOSEPH · 1985 to 2009
$3.3M
INSULIN LIKE GROWTH FACTOR 1 ACTIONS IN OLIGODENDROCYTER01NS038891 · NINDS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI D'ERCOLE, AUGUSTINE JOSEPH · 1999 to 2007
$2.2M
Mechanism of IGF-I actions on oligodendroglial cellsR01NS048868 · NINDS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI D'ERCOLE, AUGUSTINE JOSEPH · 2004 to 2008
$1.7M
NICHD NIH HHS R01 HD008299NINDS NIH HHS R01 NS038891NINDS NIH HHS R01 NS048868
6 · The paper itself

Abstract

By promoting cell proliferation, survival and maturation insulin-like growth factor (IGF)-I is essential to the normal growth and development of the central nervous system. It is clear that IGF-I actions are primarily mediated by the type I IGF receptor (IGF1R), and that phosphoinositide 3 (PI3)-Akt kinases and MAP kinases signal many of IGF-I-IGF1R actions in neural cells, including oligodendrocyte lineage cells. The precise downstream targets of these signaling pathways, however, remain to be defined. We studied oligodendroglial cells to determine whether beta-catenin, a molecule that is a downstream target of glycogen synthase kinase-3beta (GSK3beta) and plays a key role in the Wnt canonical signaling pathway, mediates IGF-I actions. We found that IGF-I increases beta-catenin protein abundance within an hour after IGF-I-induced phosphorylation of Akt and GSK3beta. Inhibiting the PI3-Akt pathway suppressed IGF-I-induced increases in beta-catenin and cyclin D1 mRNA, while suppression of GSK3beta activity simulated IGF-I actions. Knocking-down beta-catenin mRNA by RNA interference suppressed IGF-I-stimulated increases in the abundance of cyclin D1 mRNA, cell proliferation, and cell survival. Our data suggest that beta-catenin is an important downstream molecule in the PI3-Akt-GSK3beta pathway, and as such it mediates IGF-I upregulation of cyclin D1 mRNA and promotion of cell proliferation and survival in oligodendroglial cells.

Indexed as

Cell ProliferationAnimalsbeta CateninCell LineCells, CulturedCell SurvivalCyclin DGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaInsulin-Like Growth Factor IOligodendrogliaPhosphorylationProto-Oncogene Proteins c-aktRatsRats, WistarRNA, Messengerbeta CateninCtnnb1 protein, ratCyclin DGlycogen Synthase Kinase 3Glycogen Synthase Kinase 3 betaGsk3b protein, ratInsulin-Like Growth Factor IProto-Oncogene Proteins c-aktRNA, Messenger

Identifiers

PMID20235220
PMCPMC2917840
OpenAlexW1986794485

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.