Human adipose tissue-derived mesenchymal stem cells improve cognitive function and physical activity in ageing mice.
Brain ageing leads to atrophy and degeneration of the cholinergic nervous system, resulting in profound neurobehavioral and cognitive dysfunction from decreased acetylcholine biosynthesis and reduced secretion of growth and neurotrophic factors. Human adipose tissue-derived mesenchymal stem cells (ADMSCs) were intravenously (1 × 10(6) cells) or intracerebroventricularly (4 × 10(5) cells) transplanted into the brains of 18-month-old mice once or four times at 2-week intervals.
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