Metabolic switches during the first steps of adipogenic stem cells differentiation.
Drehmer DL., de Aguiar AM., Brandt AP., Petiz L., Cadena SM., Rebelatto CK.
Laboratory Study, published in Stem Cell Res (2016) — summary generated from the PubMed abstract.
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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- Study type
- Laboratory Study
- Journal
- Stem Cell Res (2016)
- Country
- England
- Reported sample size
- —
- Source database
- PubMed
- PMID
- 27653462
- DOI
- 10.1016/j.scr.2016.09.001
Abstract (original English)
The understanding of metabolism during cell proliferation and commitment provides a greater insight into the basic biology of cells, allowing future applications. Here we evaluated the energy and oxidative changes during the early adipogenic differentiation of human adipose tissue-derived stromal cells (hASCs). hASCs were maintained under differentiation conditions during 3 and 7days. Oxygen consumption, mitochondrial mass and membrane potential, reactive oxygen species (ROS) generation, superoxide dismutase (SOD) and catalase activities, non-protein thiols (NPT) concentration and lipid peroxidation were analyzed. We observed that 7days of adipogenic induction are required to stimulate cells to consume more oxygen and increase mitochondrial activity, indicating organelle maturation and a transition from glycolytic to oxidative energy metabolism. ROS production was only increased after 3days and may be involved in the differentiation commitment. ROS source was not only the mitochondria and we suggest that NOX proteins are related to ROS generation and therefore adipogenic commitment. ROS production did not change after 7days, but an increased activity of catalase and NPT concentration as well as a decreased lipid peroxidation were observed. Thus, a short period of differentiation induction is able to change the energetic and oxidative metabolic profile of hASCs and stimulate cyt
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.
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