Level D· Scientific groundwork from lab and animal studiesLaboratory StudyPubMedOpen access

Mesoderm-specific transcript (MEST) is a negative regulator of human adipocyte differentiation.

Karbiener M., Glantschnig C., Pisani DF., Laurencikiene J., Dahlman I., Herzig S.

Laboratory Study, published in Int J Obes (Lond) (2015) — summary generated from the PubMed abstract.

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Level D· Scientific groundwork from lab and animal studiesEvidence level of this study

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

  • Level A · Stronger Clinical Evidence
  • Level B · Emerging clinical evidence with positive signals
  • Level C · Early human research exploring benefits
  • Level D · Scientific groundwork from lab and animal studies
  • Emerging · Emerging topic under active research
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This page is generated from the PubMed record. The Thai description is an automated summary of bibliographic fields and the abstract, not a full translation, and is not medical advice.

Study type
Laboratory Study
Journal
Int J Obes (Lond) (2015)
Country
England
Reported sample size
—
Source database
PubMed
PMID
26119994
PMCID
PMC4625608
DOI
10.1038/ijo.2015.121
Citations
34

Abstract (original English)

Background A growing body of evidence suggests that many downstream pathologies of obesity are amplified or even initiated by molecular changes within the white adipose tissue (WAT). Such changes are the result of an excessive expansion of individual white adipocytes and could potentially be ameliorated via an increase in de novo adipocyte recruitment (adipogenesis). Mesoderm-specific transcript (MEST) is a protein with a putative yet unidentified enzymatic function and has previously been shown to correlate with adiposity and adipocyte size in mouse. Objectives This study analysed WAT samples and employed a cell model of adipogenesis to characterise MEST expression and function in human. Methods and results MEST mRNA and protein levels increased during adipocyte differentiation of human multipotent adipose-derived stem cells. Further, obese individuals displayed significantly higher MEST levels in WAT compared with normal-weight subjects, and MEST was significantly correlated with adipocyte volume. In striking contrast to previous mouse studies, knockdown of MEST enhanced human adipocyte differentiation, most likely via a significant promotion of peroxisome proliferator-activated receptor signalling, glycolysis and fatty acid biosynthesis pathways at early stages. Correspondingly, overexpression of MEST impaired adipogenesis. We further found that silencing of MEST fully subst

What this study does not prove

  • • This study does not prove SVF is an approved treatment or a replacement for standard care.
  • • This is preclinical work; animal or laboratory results cannot be applied to humans.

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

How we grade evidence
AdipocytesAdipose Tissue, WhiteCell Culture TechniquesCell DifferentiationGene Expression RegulationHumansMultipotent Stem CellsObesityProteinsRNA, Messenger

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