Mesenchymal Stem Cells and the Generation of Neomuscle Tissue.

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)

Skeletal muscle represents the largest mass of tissue in the body and is essential for motion and posture. Traumatic injury, tumor ablation, prolonged denervation or genetic defects lead to skeletal myopathies. The loss of muscle function or its regenerative properties often results in pain, deformity, and joint malfunction. The regenerative capacity of skeletal muscles depends on adult muscle stem cells, the so-called satellite cells; however, the population of these myogenic precursors, and thus their potential to restore large muscle tissue defects, is strongly limited. On the other hand, surgical treatment of skeletal muscle loss is hampered by the scarcity of functional replacement tissue. Only a few options currently exist to provide functional and aesthetic restoration of lost muscle tissues, other than free muscle flap transfer. While this reconstructive technique is a common practice, it involves the risk of significant donor-site morbidity. Therefore, alternative cells with the potential to regenerate muscle tissue need to be examined. Recently, many surgeons have studied the potential clinical application of mesenchymal stem cells (MSCs), which are an adult stem cell population that can undergo differentiation along the mesodermal lineage and secrete growth factors that can enhance tissue regeneration processes by promoting neovascularization. The regenerative potent

Evidence level

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

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