Evidence map›Paper›PMID 29921325›Full record

ArticleStem cell research & therapy2018

Inhibition of the RhoGTPase Cdc42 by ML141 enhances hepatocyte differentiation from human adipose-derived mesenchymal stem cells via the Wnt5a/PI3K/miR-122 pathway: impact of the age of the donor.

Diana Chaker, Charbel Mouawad, Albert Azar, Didier Quilliot, Ibrahim Achkar, Ziad Fajloun, Nehman Makdissy

Open access · goldAbstract read
In one paragraph

Article in Stem cell research & therapy, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
1.1field-weighted citation impact, top 27% 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

26 citing papers in PubMed, 46 citations in OpenAlex.

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  20. [Research progress on hepatotoxicity of acetaminophen].Zhonghua gan zang bing za zhi = Zhonghua ganzangbing zazhi = Chinese journal of hepatology · 2021
    Review
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

7 authors at 3 institutions in 2 countries.

Diana ChakerLebanese University, Doctoral School for Sciences and Technology, Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and its Applications, Tripoli, Lebanon.
Charbel MouawadIndependent researcher, Kfarzeina, Zgharta, Lebanon.
Albert AzarReviva Regenerative Medicine Center, Human Genetic Center, Middle East Institute of Health Hospital, Bsalim, Lebanon.
Didier QuilliotDiabetologia-Endocrinology & Nutrition, CHRU Nancy, INSERM 954, University Henri Poincaré de Lorraine, Faculty of Medicine, Nancy, France.
Ibrahim AchkarAchkar Clinics, St. Elie Center, Antelias, Lebanon.
Ziad FajlounLebanese University, Doctoral School for Sciences and Technology, Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and its Applications, Tripoli, Lebanon.
Nehman MakdissyLebanese University, Doctoral School for Sciences and Technology, Laboratory of Applied Biotechnology, Azm Center for Research in Biotechnology and its Applications, Tripoli, Lebanon. almakdissy@hotmail.com.ORCID 0000-0001-7240-0968
Inserm · FRLebanese University · LBMiddle East University · LB

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundHuman adipose-derived mesenchymal stem cells (hADSCs) are promising cells that may promote hepatocyte differentiation (Hep-Dif) and improve liver function, but the involvement of Cdc42, a key small RhoGTPase which plays a crucial role in aging, is still not well established. We hypothesized that the inhibition of Cdc42 may rescue the hepatogenic potential of hADSCs derived from aged donors.

methodshADSCs isolated from 61 women of different ages were cultured for evaluation of the proliferation of cells, adherence, apoptosis, immunomodulation, immunophenotyping, multipotency, gene expression, and cell function during Hep-Dif. Inhibition of Cdc42 by ML141 was realized during two phases: initiation (days -2 to 14 (D-2/14)) from undifferentiated to hepatoblast-like cells, or maturation (days 14 to 28 (D14/28)) from undifferentiated to hepatocyte-like cells. Mechanistic insights of the Wnt(s)/MAPK/PI3K/miR-122 pathways were studied.

resultsCdc42 activity in undifferentiated hADSCs showed an age-dependent significant increase in Cdc42-GTP correlated to a decrease in Cdc42GAP; the low potentials of cell proliferation, doubling, adherence, and immunomodulatory ability (proinflammatory over anti-inflammatory) contrary to the apoptotic index of the aged group were significantly reversed by ML141. Aged donor cells showed a decreased potential for Hep-Dif which was rescued by ML141 treatment, giving rise to mature and functional hepatocyte-like cells as assessed by hepatic gene expression, cytochrome activity, urea and albumin production, low-density lipoprotein (LDL) uptake, and glycogen storage. ML141-induced Hep-Dif showed an improvement in mesenchymal-epithelial transition, a switch from Wtn-3a/β-catenin to Wnt5a signaling, involvement of PI3K/PKB but not the MAPK (ERK/JNK/p38) pathway, induction of miR-122 expression, reinforcing the exosomes release and the production of albumin, and epigenetic changes. Inhibition of PI3K and miR-122 abolished completely the effects of ML141 indicating that inhibition of Cdc42 promotes the Hep-Dif through a Wnt5a/PI3K/miR-122/HNF4α/albumin/E-cadherin-positive action. The ML141(D-2/14) protocol had more pronounced effects when compared with ML141(D14/28); inhibition of DNA methylation in combination with ML141(D-2/14) showed more efficacy in rescuing the Hep-Dif of aged hADSCs. In addition to Hep-Dif, the multipotency of aged hADSC-treated ML141 was observed by rescuing the adipocyte and neural differentiation by inducing PPARγ/FABP4 and NeuN/O4 but inhibiting Pref-1 and GFAP, respectively.

conclusionML141 has the potential to reverse the age-related aberrations in aged stem cells and promotes their hepatogenic differentiation. Selective inhibition of Cdc42 could be a potential target of drug therapy for aging and may give new insights on the improvement of Hep-Dif.

Indexed as

Adipose Tissuecdc42 GTP-Binding ProteinCell DifferentiationFemaleHumansMaleMesenchymal Stem CellsMicroRNAsPhosphatidylinositol 3-KinasesTissue DonorsTransfectionWnt-5a Proteincdc42 GTP-Binding ProteinMicroRNAsMIRN122 microRNA, humanPhosphatidylinositol 3-KinasesWnt-5a ProteinWNT5A protein, humanAdipose derived mesenchymal stem cellsAgingCdc42Exosomes releaseHepatocyte differentiationMAPKmiR122ML141PI3KWnt

Identifiers

PMID29921325
PMCPMC6009972
OpenAlexW2808748023

What OpenQuestion holds

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Registered trials

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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.