Human bone marrow-derived stromal cells show highly efficient stress-resistant adipogenesis on denatured collagen IV matrix but not on its native counterpart: implications for obesity.
Mauney J., Volloch V.
Animal Study, published in Matrix Biol (2009) — 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
- Animal Study
- Journal
- Matrix Biol (2009)
- Country
- Netherlands
- Reported sample size
- —
- Source database
- PubMed
- PMID
- 19761844
- DOI
- 10.1016/j.matbio.2009.09.002
Abstract (original English)
Collagen IV is the major matrix component associated with differentiating adipocytes in adipose tissues, and the understanding of its contribution in adipogenic differentiation could be important for elucidation of mechanisms and processes driving the obesity. Therefore, in the light of our previous findings of differential effects of structural conformation of collagen I matrix on differentiation of bone marrow stromal cells, we investigated whether similar phenomenon occurs on collagen IV matrix in native and denatured structural states. The results of the present study show that native collagen IV is unsupportive of adipogenic differentiation and very little if any adipogenesis occurs on this matrix in the presence of adipogenic stimuli. In sharp contrast to native collagen IV, the same matrix in denatured structural state drives highly efficient adipogenic differentiation suggesting that it might be the major driver of adipogenesis in adipose tissues and that the ratio of native to denatured matrix might regulate the intensity of adipogenesis and possibly underlies the obesity. In contrast to observations that adipogenesis on denatured collagen I (collagen I is the major matrix component in musculoskeletal tissues) is suppressed by stress, adipogenesis on denatured collagen IV appears to be stress-resistant suggesting an explanation for the observed ineffectiveness of physi
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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