Synergistic effect of ex-vivo quality and quantity cultured mononuclear cells and mesenchymal stem cell therapy in ischemic hind limb model mice

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)

Introduction Chronic limb-threatening ischemia (CLTI) is a condition characterized by peripheral arterial disease and tissue damage caused by reduced blood flow. New therapies using various cell types, such as mesenchymal stem cells (MSCs) and mononuclear cells (MNCs), have been developed for the patients unresponsive to conventional therapies. MSCs are promising because of their ability to secrete growth factors essential for vascularization, whereas MNCs contain endothelial progenitor cells that are important for blood vessel formation. However, conventional methods for isolating these cells have limitations, especially in patients with diabetes with dysfunctional cells. To overcome this problem, a culture method called quality and quantity cultured peripheral blood MNCs (MNC-QQ) was developed to efficiently produce high-quality cells from small amounts of peripheral blood. Combining MSCs with MNC-QQs has been hypothesized to enhance therapeutic outcomes. This study aimed to examine the angiogenic efficacy of MSCs with MNC-QQs in models with severe lower limb ischemia. Methods MNC-QQ was manufactured from the peripheral blood of healthy volunteers, while human bone marrow derived MSCs were purchased. To verify the effects of the MSC and MNC-QQs combination in angiogenesis, we conducted the HUVEC tube formation assay. For in vivo experiments, we created an ischemic limb model

Evidence level

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

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