Adipose Tissue and Bone Marrow-Derived Mesenchymal Stem Cells are not Really the Same: Investigating the Differences in Their Immunomodulatory, Migratory, and Adhesive Profile.

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)

Mesenchymal stem cells (MSCs) are the most widely used stem cells in regenerative medicine. They can be isolated from multiple sources, most commonly bone marrow and adipose tissue. MSCs derived from different sources show similar molecular and biological characteristics, but there is ongoing debate regarding the best source of MSCs and the potential biological differences between MSCs from different origins. Bone marrow derived-MSCs (BM-MSCs) and adipose tissue-derived MSCs (AD-MSCs) share many molecular and immunomodulatory properties. In this study, we compared the levels of major immunomodulatory, adhesive, and migratory factors in human BM-MSCs and AD-MSCs under normal conditions, which will help determine the suitability and specificity of each type for certain therapeutic applications. WST1 assay and fluorescent assay SUC-LLVY-AMC were used to measure MSC proliferation and 26S proteasome activity, respectively. Western blotting, ELISA Assays, and bright field live imaging were also used. AD-MSCs and BM-MSCs exhibited similar morphology and proliferation rate. A significantly higher 26S proteasome activity was detected in AD-MSCs than in BM-MSCs. Levels of ICAM-1, integrin α5 and integrin α6 were significantly higher in AD-MSCs compared to BM-MSCs, while no significant difference in CXCR4 levels was observed. Expression of IDO and factor H was significantly higher in AD-M

Evidence level

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

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