Level D· Scientific groundwork from lab and animal studiesAnimal StudyPubMed

Phorbol esters do not influence the maturation and the beta-adrenergic responsiveness of differentiated adipose precursor cells, cultured in a charcoal-treated serum medium.

De Pergola G., Giorgino R.

Animal Study, published in J Endocrinol Invest (1991) — 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
J Endocrinol Invest (1991)
Country
Italy
Reported sample size
—
Source database
PubMed
PMID
1662245
DOI
10.1007/BF03347913

Abstract (original English)

Phorbol esters are a well defined group of tumor-promoting substances, which influence the proliferation, the differentiation and the hormonal responsiveness of a wide variety of cell types through the activation of protein-kinase C. Opposite effects have been described on the beta-adrenoceptors and the adenylate cyclase activity, depending on the cell type. Since there is no information about the influence of these substances on lipolysis in adipose precursor cells, the aim of the present study was to examine the effect of 7 days exposure to phorbol esters on the differentiation and the lipolytic responsiveness of rat preadipocytes, cultured in 10% charcoal-treated fetal calf serum. Our results demonstrate that prolonged exposure to these tumor promoters does not influence the differentiation, the beta-adrenoceptors number and the lipolytic response to adenylate cyclase or beta-adrenergic agonists in differentiated cells.

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
Adenylyl CyclasesAdipose TissueAnimalsBloodCell DifferentiationCells, CulturedCharcoalColforsinCulture MediaIsoproterenol

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