Evidence map›Paper›PMID 24627968›Full record

ArticleBritish journal of pharmacology2014

Reactive oxygen species induce MMP12-dependent degradation of collagen 5 and fibronectin to promote the motility of human umbilical cord-derived mesenchymal stem cells.

Seung Pil Yun, Sei-Jung Lee, Sang Yub Oh, Young Hyun Jung, Jung Min Ryu, Han Na Suh, Mi Ok Kim, Keon Bong Oh, Ho Jae Han

Open access · bronzeAbstract read
In one paragraph

Article in British journal of pharmacology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed
2.9field-weighted citation impact, top 11% 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

19 citing papers in PubMed, 32 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

9 authors at 2 institutions in 1 country.

Seung Pil YunDepartment of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, BK21 PLUS Program for Creative Veterinary Science Research, Seoul National University, Seoul, Korea.
Sei-Jung Lee
Sang Yub Oh
Young Hyun Jung
Jung Min Ryu
Han Na Suh
Mi Ok Kim
Keon Bong Oh
Ho Jae Han
Seoul National University · KRNational Institute of Animal Science · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

background and purposeReactive oxygen species (ROS) are potent regulators of stem cell behaviour; however, their physiological significance as regards MMP-mediated regulation of the motility of human umbilical cord blood-derived mesenchymal stem cells (UCB-MSCs) has not been characterized. In the present study, we investigated the role of hydrogen peroxide (H2O2 ) and associated signalling pathways in promoting UCB-MSCs motility. EXPERIMENTAL APPROACH: The regulatory effects of H2O2 on the activation of PKC, MAPKs, NF-κB and β-catenin were determined. The expressions of MMP and extracellular matrix proteins were examined. Pharmacological inhibitors and gene-specific siRNA were used to identify the signalling pathways of H2O2 that affect UCB-MSCs motility. An experimental skin wound-healing model was used to confirm the functional role of UCB-MSCs treated with H2O2 in ICR mice. KEY

resultsH2O2 increased the motility of UCB-MSCs by activating PKCα via a calcium influx mechanism. H2O2 activated ERK and p38 MAPK, which are responsible for the distinct activation of transcription factors NF-κB and β-catenin. UCB-MSCs expressed eight MMP genes, but only MMP12 expression was uniquely regulated by NF-κB and β-catenin activation. H2O2 increased the MMP12-dependent degradation of collagen 5 (COL-5) and fibronectin (FN) associated with UCB-MSCs motility. Finally, topical transplantation of UCB-MSCs treated with H2O2 enhanced skin wound healing in mice. CONCLUSIONS AND IMPLICATIONS: H2O2 stimulated UCB-MSCs motility by increasing MMP12-dependent degradation of COL-5 and FN through the activation of NF-κB and glycogen synthase kinase-3β/β-catenin, which is critical for providing a suitable microenvironment for MSCs transplantation and re-epithelialization of skin wounds in mice.

Indexed as

Animalsbeta CateninCell MovementCollagen Type VDisease Models, AnimalFemaleFibronectinsHumansHydrogen PeroxideMatrix Metalloproteinase 12Mesenchymal Stem CellsMesenchymal Stem Cell TransplantationMiceMice, Inbred ICRNF-kappa BReactive Oxygen Speciesbeta CateninCollagen Type VFibronectinsHydrogen PeroxideMatrix Metalloproteinase 12NF-kappa BReactive Oxygen Speciesextracellular matrix proteinshydrogen peroxideMMPmotilityskin wound healingumbilical cord blood-derived mesenchymal stem cells

Identifiers

PMID24627968
PMCPMC4080981
OpenAlexW1552725656

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.