Human adipose-derived mesenchymal stem cells: a better cell source for nervous system regeneration.

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 In order to suggest an ideal source of adult stem cells for the treatment of nervous system diseases, MSCs from human adipose tissue and bone marrow were isolated and studied to explore the differences with regard to cell morphology, surface markers, neuronal differentiation capacity, especially the synapse structure formation and the secretion of neurotrophic factors. Methods The neuronal differentiation capacity of human mesenchymal stem cells from adipose tissue (hADSCs) and bone marrow (hBMSCs) was determined based on nissl body and synapse structure formation, and neural factor secretion function. hADSCs and hBMSCs were isolated and differentiated into neuron-like cells with rat brain-conditioned medium, a potentially rich source of neuronal differentiation promoting signals. Specific neuronal proteins and neural factors were detected by immunohistochemistry and enzyme-linked immunosorbent assay analysis, respectively. Results Flow cytometric analysis showed that both cell types had similar phenotypes. Cell growth curves showed that hADSCs proliferated more quickly than hBMSCs. Both kinds of cells were capable of osteogenic and adipogenic differentiation. The morphology of hADSCs and hBMSCs changed during neuronal differentiation and displayed neuron-like cell appearance after 14 days' differentiation. Both hADSCs and hBMSCs were able to differentiate into neuro

Evidence level

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

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