Effect of efferocytosis of apoptotic mesenchymal stem cells (MSCs) on C57BL/6 peritoneal macrophages function.

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)

Phagocytic clearance of apoptotic cells (Efferocytosis) could affect the polarization of macrophages and promote M2 anti-inflammatory and regulatory phenotype and function. Here we tested the hypothesis that efferocytosis of apoptotic Adipose-Derived Mesenchymal Stem Cells (AD-MSCs) promotes macrophage M2 polarization. In this study, Macrophages were incubated with apoptotic MSCs and after 48 h interleukin-10 (IL-10), transforming growth factor-alpha (TNFα), and nitric oxide (NO) production were measured. Furthermore, phagocytosis ability and arginase activity were analyzed. The results showed that apoptotic MSCs could reduce TNFα and NO production, and increase IL-10 levels. Moreover, arginase activity and phagocytosis ability were also increased in tested macrophages compared to controls. In Conclusion efferocytosis of AD-MSCs can alter the macrophages phenotype toward regulatory and anti-inflammatory phenotype.

Evidence level

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

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