Evidence map›Paper›PMID 18806267›Full record

ArticleThe Journal of biological chemistry2008

Differential activation of ERK and Rac mediates the proliferative and anti-proliferative effects of hyaluronan and CD44.

Devashish Kothapalli, James Flowers, Tina Xu, Ellen Puré, Richard K Assoian

Abstract read
In one paragraph

Article in The Journal of biological chemistry, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
–field-weighted citation impact
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

41 citing papers in PubMed.

  1. CD44 signaling in skin wound healing and regeneration.Journal of translational medicine · 2025
    Review
  2. Review
  3. Review
  4. Breast cancer (Dove Medical Press) · 2023
    Review
  5. Hyaluronic Acid as a Modern Approach in Anticancer Therapy-Review.International journal of molecular sciences · 2022
    Review
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Article
  14. Hyaluronan negatively regulates vascular calcification involving BMP2 signaling.Laboratory investigation; a journal of technical methods and pathology · 2018
    Article
  15. Article
  16. Article
  17. Atomistic fingerprint of hyaluronan-CD44 binding.PLoS computational biology · 2017
    Article
  18. Article
  19. Article
  20. Article
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.

Devashish KothapalliDepartment of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104-6084, USA.
James Flowers
Tina Xu
Ellen Puré
Richard K Assoian

Funding

STUDIES OF PLATELET ADHERENCE TO OSTEOPONTINP01HL062250 · NHLBI · UNIVERSITY OF PENNSYLVANIA · PI FITZGERALD, GARRET A · 1999 to 2013
$28.4M
NHLBI NIH HHS HL62250
6 · The paper itself

Abstract

Hyaluronan, a widely distributed component of the extracellular matrix, exists in a high molecular weight (native) form and lower molecular weight form (HMW- and LMW-HA, respectively). These different forms of hyaluronan bind to CD44 but elicit distinct effects on cellular function. A striking example is the opposing effects of HMW- and LMW-HA on the proliferation of vascular smooth muscle cells; the binding of HMW-HA to CD44 inhibits cell cycle progression, whereas the binding of LMW-HA to CD44 stimulates cell cycle progression. We now report that cyclin D1 is the primary target of LMW-HA in human vascular smooth muscle cells, as it is for HMW-HA, and that the opposing cell cycle effects of these CD44 ligands result from differential regulation of signaling pathways to cyclin D1. HMW-HA binding to CD44 selectively inhibits the GTP loading of Rac and Rac-dependent signaling to the cyclin D1 gene, whereas LMW-HA binding to CD44 selectively stimulates ERK activation and ERK-dependent cyclin D1 gene expression. These data describe a novel mechanism of growth control in which a ligand-receptor system generates opposing effects on mitogenesis by differentially regulating signaling pathways to a common cell cycle target. They also emphasize how a seemingly subtle change in matrix composition can have a profound effect on cell proliferation.

Indexed as

AnimalsCell ProliferationCells, CulturedCyclin D1Enzyme ActivationGene Expression RegulationHumansHyaluronan ReceptorsHyaluronic AcidMiceMice, Inbred C57BLMice, KnockoutMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3Molecular Weightrac GTP-Binding ProteinsCyclin D1Hyaluronan ReceptorsHyaluronic AcidMitogen-Activated Protein Kinase 1Mitogen-Activated Protein Kinase 3rac GTP-Binding Proteins

Identifiers

PMID18806267
PMCPMC2581577

What OpenQuestion holds

Textmetadata
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.