Histological validation of adipogenic differentiation potential of ASC on collagen-based 2D scaffolds.
Gomarasca M., Savadori P., Mariano S., Cipolla L., Lombardi G.
Laboratory Study, published in Histochem Cell Biol (2020) — 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
- Histochem Cell Biol (2020)
- Country
- Germany
- Reported sample size
- —
- Source database
- PubMed
- PMID
- 32666152
- DOI
- 10.1007/s00418-020-01902-9
- Citations
- 2
Abstract (original English)
Determination of the adipogenic potential and behavior of adipose-derived mesenchymal stem/stromal cells (ASCs) is particularly relevant for their potential clinical application in regenerative medicine, especially when regeneration is supported by biomaterials or scaffolds. Scaffolds need to be able to induce tissue repair and limit undesired adipogenic differentiation. Depending on the scaffold employed, determination of cell behavior may be hindered by material interference with staining, which will limit either cells identification or dye quantification. Collagen is a promising biomaterial in regenerative medicine, however, histological analysis of cells cultured on collagen-based scaffolds is challenging. Here we describe a new histological method based on iron hematoxylin combined with Oil red O (ORO) staining, for the determination of the adipogenic differentiation of ASCs cultivated on a collagen-based 2D scaffold. ASCs were seeded on collagen films or plastic, differentiated into adipocytes for 14 days, and then stained with either ORO or iron hematoxylin and ORO combined. The collagen films avidly absorbed the ORO dye; conventional staining and quantification by dye extraction failed to discriminate between differentiated and undifferentiated cells on the films. On the contrary, the iron hematoxylin-ORO combination provided a quantitative and more reliable determinati
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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