Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells Improve Neurological Abnormalities of Niemann-Pick Type C Mouse by Modulation of Neuroinflammatory Condition

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Niemann-Pick type C (NP-C) disease is a devastating developmental disorder with progressive and fatal neurodegeneration. We have used a mouse model of Niemann-Pick type C (NP-C) disease to evaluate the effects of direct intracerebral transplantation of human umbilical cord blood-derived mesenchymal stem cells (hUCB-MSCs) on the progression of neurological disease in this order. Here, we show that hUCB-MSCs transplantation into NP-C mice prevents the loss of Purkinje neurons and inhibits cerebellar apoptotic cell death. Interestingly, these effects were associated with the modulation of inflammatory responses, as evidenced by increased anti-inflammatory cytokine IL-10, and reduced abnormal astrocytic activation. Furthermore, our results show that the hUCB-MSCs transplantation reduced the cholesterol accumulation level in neurons in NP-C mice compared with sham-transplanted animals. This study provides the first evidence that hUCB-MSCs can improve neurological symptoms in NP-C disease, suggesting it as a potential therapeutic agent against neurodegenerative diseases.
社団法人　日本獣医学会の論文