Level D· Scientific groundwork from lab and animal studiesAnimal StudyPubMed

Differential expression of the peripheral benzodiazepine receptor and gremlin during adipogenesis.

Wade FM., Wakade C., Mahesh VB., Brann DW.

Animal Study, published in Obes Res (2005) — 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
Read the A–D evidence level guide

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
Animal Study
Journal
Obes Res (2005)
Country
United States
Reported sample size
—
Source database
PubMed
PMID
15919833
DOI
10.1038/oby.2005.93

Abstract (original English)

This study used the mRNA differential display technique to identify differentially expressed genes during the process of adipogenesis in the preadipocyte cell line, 3T3-L1. 3T3-L1 cells were treated with dexamethasone, isobutyl-1-methylxanthine, and insulin to induce differentiation into mature adipocytes. Cells were collected at three time-points during differentiation: Day 0 (d0), or nondifferentiated; Day 3 (d3), during differentiation; and Day 10 (d10), >90% of the cells had differentiated into mature adipocytes. Initial studies yielded 18 potentially differentially regulated cDNA candidates (8 down-regulated and 10 up-regulated). Reverse Northern and Northern blots confirmed differential expression of six of the candidates. Four of the candidates up-regulated on d3 and d10 were identified by sequence analysis to be lipoprotein lipase, a well-known marker of adipocyte differentiation. A fifth candidate that was expressed in d0, but not d3 or d10, was identified as DRM/gremlin, a bone morphogenetic protein antagonist. Finally, a sixth candidate that was increased at d3 and d10 was identified as the peripheral benzodiazepine receptor, which has been implicated in proliferation, differentiation, and cholesterol transport in cells. This study is the first to show that peripheral benzodiazepine receptor and DRM/gremlin are expressed in preadipocyte cell lines and that they are d

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
3T3-L1 CellsAdipocytesAnimalsBlotting, NorthernCell DifferentiationCytokinesDNA, ComplementaryGene Expression RegulationIntercellular Signaling Peptides and ProteinsLipoprotein Lipase

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