[Isolation and Characterization of Multipotent Precursor Cells from Murine Adipose Tissue using a Clinically Approved Cell Separation System].

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

Abstract (original English)

Recent studies underscored the clinical potential of adipose-derived multipotent stem-/precursor cells (ASPCs). One of the main hurdles en route to clinical application was to isolate cells without having to perform expansion cultures outside the OR. A new generation of clinically approved, commercially available cell separation systems claims to provide ASPCs ready for application without further expansion cultures. However, it is unclear if the new systems yield sufficient cells of adequate quality for the use in autologous murine models. The aim of this study was to isolate and characterize adipose-derived precursor cells taken from the inguinal fat pat of wistar rats using InGeneron's clinically approved ARC™-cell separation system. We isolated cells from the inguinal fat pad of 3 male Wistar rats according to the manufacturer's protocol. In order to reduce the influence of the atmospheric oxygen on the multipotent precursor cells, one half of the cell suspension was cultivated under hypoxia (2% O2) simulating physiological conditions for ASPCs. As a control, the other half of the cells were cultivated under normoxia (21% O2). Cell surface markers CD90, CD29, CD45 and CD11b/c were analyzed by FACS, and osteogenic and adipogenic differentiation of the ASPCs was performed. Finally, cellular growth characteristics were assessed by evaluation of the cumulative population doubli

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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