Icariin modulates osteogenic and adipogenic differentiation in ADSCs via the Hippo-YAP/TAZ pathway: a novel therapeutic strategy for osteoporosis.

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)

Background Adipose-derived stem cell (ADSC) transplantation presents a promising approach for osteoporosis (OP) treatment. However, the therapeutic efficacy of ADSCs is hindered by low post-transplantation survival rates and limited capacities for adhesion, migration, and differentiation. Icariin (ICA), the primary active compound of Epimedium, has been shown to promote cell proliferation and induce osteogenic differentiation; however, its specific effects on ADSC osteogenesis and the mechanisms by which ICA enhances osteoporosis treatment through cell transplantation remain inadequately understood. Purpose This study investigates the effects of different concentrations of ICA on the osteogenic and adipogenic differentiation of rat ADSCs, aiming to elucidate the underlying mechanisms. ADSCs were isolated from female SPF-grade SD rats, with surface markers identified through flow cytometry. Osteogenic and adipogenic differentiation were assessed using Alizarin Red and Oil Red O staining, respectively. Third-generation ADSCs were divided into five groups: control, resveratrol (100 μmol/L), and four ICA treatment groups (1, 10, 50, and 100 μmol/L). Western blotting was performed to analyze the expression of factors associated with the Hippo-YAP/TAZ signaling pathway and the adipogenic marker PPARγ. Additionally, ADSCs were labeled with lentiviruses carrying enhanced green fluoresc

Evidence level

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

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