Characterization of neuronal differentiation in human adipose-derived stromal cells: morphological, molecular, and ultrastructural insights.

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)

Objective Adipose-derived stromal cells (ADSCs) have shown promise as a potential source of neural differentiation. In this study, we investigated the morphological, molecular and ultrastructural features of ADSCs during neuronal differentiation. Methods ADSCs were induced in vitro and their differentiation was examined at different time points. Immunocytochemical staining was performed to detect the expression of neuron-specific markers NSE and MAP-2. Immunofluorescence double labeling and Western blot detected the co-expression of presynaptic markers (CaMKII, SynCAM1, SYN) and postsynaptic markers (PSD-95, Synapsin I). Scanning electron microscopy (SEM) was performed to detect the synaptic structural features of differentiated neurons. Results ADSCs showed diverse morphological features during differentiation, gradually acquiring a neuron-like spindle shape and organized arrangement. The expression of neuron-specific markers and synaptic markers peaked at 5 h of induction. Scanning electron microscopy showed polygonal protrusions of ADSC-derived neurons, and transmission electron microscopy showed characteristic ultrastructures such as nidus, synaptic vesicle-like structures, and tight junctions. Conclusion Our findings suggest that ADSCs differentiated for 5 h have neuronal features, including morphological, molecular, and ultrastructural resemblance to neurons, as well as t

Evidence level

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

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