Double-edged sword of mesenchymal stem cells: Cancer-promoting versus therapeutic potential.

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) derived from adipose tissue, bone marrow, cord blood, and other tissues, have recently attracted much attention as potential therapeutic agents in various diseases because of their trans-differentiation capacity. However, recent studies have suggested that MSCs also appear to contribute to tumor pathogenesis by supporting tumor microenvironments, increasing tumor growth, and eliciting antitumor immune responses. Although some studies suggest that MSCs have inhibitory effects on tumor development, they are overwhelmed by a number of studies showing that MSCs exert stimulatory effects on tumor pathogenesis. In the present review, we summarize a number of findings to provide current information about the therapeutic potential of MSCs in various diseases. We then discuss the potential roles of MSCs in tumor progression.

Evidence level

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

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