Evidence map›Paper›PMID 18762576›Full record

ArticleThe Journal of cell biology2008

IGFBP-5 regulates muscle cell differentiation by binding to IGF-II and switching on the IGF-II auto-regulation loop.

Hongxia Ren, Ping Yin, Cunming Duan

Open access · hybridAbstract read
In one paragraph

Article in The Journal of cell biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.

0numbers the graph read from it
0cells of the map it votes in
70citing papers in PubMed
5.0field-weighted citation impact, top 4% 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

70 citing papers in PubMed, 145 citations in OpenAlex.

  1. Trial
  2. Article
  3. Aligned Collagen Sponges Loaded With Myogenic Factors to Enhance Skeletal Muscle Tissue Regeneration.Journal of biomedical materials research. Part B, Applied biomaterials · 2025
    Article
  4. Review
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10 more citing papers are in PubMed but not listed here.

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

3 authors at 2 institutions in 2 countries.

Hongxia RenDepartment of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI 48109, USA.
Ping Yin
Cunming Duan
University of Michigan–Ann Arbor · USOcean University of China · CN

Funding

IGF-I AND PROTEINS IN VASCULAR SMOOTH MUSCLE CELLSR01HL060679 · NHLBI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI DUAN, CUNMING · 2000 to 2008
$2.0M
NHLBI NIH HHS 2R01HL60679NHLBI NIH HHS R01 HL060679
6 · The paper itself

Abstract

IGF-II stimulates both mitogenesis and myogenesis through its binding and activation of the IGF-I receptor (IGF-IR). How this growth factor pathway promotes these two opposite cellular responses is not well understood. We investigate whether local IGF binding protein-5 (IGFBP-5) promotes the myogenic action of IGF-II. IGFBP-5 is induced before the elevation of IGF-II expression during myogenesis. Knockdown of IGFBP-5 impairs myogenesis and suppresses IGF-II gene expression. IGF-II up-regulates its own gene expression via the PI3K-Akt signaling pathway. Adding IGF-II or constitutively activating Akt rescues the IGFBP-5 knockdown-caused defects. However, an IGF analogue that binds to the IGF-IR but not IGFBP has only a limited effect. When added with low concentrations of IGF-II, IGFBP-5 restores IGF-II expression and myogenic differentiation, whereas an IGF binding-deficient IGFBP-5 mutant has no effect. These findings suggest that IGFBP-5 promotes muscle cell differentiation by binding to and switching on the IGF-II auto-regulation loop.

Indexed as

Cell DifferentiationAnimalsCell LineCell NucleusGene Expression Regulation, DevelopmentalHumansInsulin-Like Growth Factor Binding Protein 5Insulin-Like Growth Factor IIMiceMuscle DevelopmentMuscle Fibers, SkeletalMyogeninPhosphatidylinositol 3-KinasesProtein Structure, TertiaryProto-Oncogene Proteins c-aktReceptor, IGF Type 1Insulin-Like Growth Factor Binding Protein 5Insulin-Like Growth Factor IIMyogeninPhosphatidylinositol 3-KinasesProto-Oncogene Proteins c-aktReceptor, IGF Type 1

Identifiers

PMID18762576
PMCPMC2528583
OpenAlexW2007477376

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
Read underepoch 390

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.