Neuroprotective Potential of Conditioned Medium from Adipose and Liver Mesenchymal Stem Cells in a Rat Model of Global Cerebral Ischemia-reperfusion Injury.

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)

Mesenchymal stem cell-derived conditioned medium (MSCCM) contains bioactive factors that provide neuroprotection in cases of cerebral ischemia-reperfusion (IR) injury. This study aimed to compare the therapeutic potential of rat adipose-derived MSC-CM (rAD-MSC-CM) and chicken embryo liver-derived MSC-CM (cLD-MSC-CM) following global cerebral IR injury in male rats. We harvested rAD-MSC-CM from the adipose tissue surrounding the epididymis of Wistar rats and cLD-MSC-CM from the liver tissue of 10- day-old chicken embryos. To induce global cerebral ischemia, we utilized a four-vessel occlusion (4VO) model in rats. After inducing ischemia, the conditioned media were administered via intravenous injection 30 minutes post-reperfusion. We evaluated the cognitive and non-cognitive functions of the animals using standard behavioral tests. Additionally, we assessed blood-brain barrier (BBB) permeability, brain water content (BWC), oxidative-antioxidative status, and conducted histopathological analyses of the hippocampal tissue in the IR rats. Our findings demonstrated that treatment with both rADMSC- CM and cLD-MSC-CM significantly improved memory function, reduced anxietyand depression-like behaviors, and enhanced exploratory activities. These behavioral improvements correlated with decreased BBB permeability and BWC, reduced oxidative stress, and mitigated histopathological changes i

Evidence level

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

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