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<p>Peripheral metabolic disorders, which drive brain insulin resistance, increase the risk of cognitive impairment, a key contributor to Alzheimer’s disease. Conditioned media derived from human mesenchymal stem cells (CM-hMSCs) have shown potential for modulating neurological pathways. Male and female offspring exposed to maternal and post-weaning high-fat diet (HFD) were treated with CM-hMSCs. Spatial memory and anxiety-like behaviors were assessed along with hippocampal markers of glucose metabolism, inflammation, and Alzheimer’s disease-related pathways. In male offspring, CM-hMSCs partially improved molecular pathways involved in brain glucose metabolism, as indicated by increased hippocampal mRNA expression of Glut1, Glut4, and IDE, and elevated BDNF levels. CM-hMSC treatment also modulated the inflammatory profile, with increased IL-10 and reduced IL-1β in the hippocampus. However, CM-hMSCs did not produce significant improvements in behavioral outcomes. CM-hMSCs exert early, region-specific molecular effects on hippocampal glucose metabolism and inflammatory responses in HFD-exposed male offspring.</p>

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Intranasal CM-hMSCs modulate brain gene expression linked to glucose metabolism and inflammation in male and female rats exposed to maternal and post-weaning high-fat diets

  • 期刊论文

  • 发表日期：

    2026年2月11日

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  • Azam Abedi,
  • Tahereh Foroutan,
  • Leila Dargahi

摘要

Peripheral metabolic disorders, which drive brain insulin resistance, increase the risk of cognitive impairment, a key contributor to Alzheimer’s disease. Conditioned media derived from human mesenchymal stem cells (CM-hMSCs) have shown potential for modulating neurological pathways. Male and female offspring exposed to maternal and post-weaning high-fat diet (HFD) were treated with CM-hMSCs. Spatial memory and anxiety-like behaviors were assessed along with hippocampal markers of glucose metabolism, inflammation, and Alzheimer’s disease-related pathways. In male offspring, CM-hMSCs partially improved molecular pathways involved in brain glucose metabolism, as indicated by increased hippocampal mRNA expression of Glut1, Glut4, and IDE, and elevated BDNF levels. CM-hMSC treatment also modulated the inflammatory profile, with increased IL-10 and reduced IL-1β in the hippocampus. However, CM-hMSCs did not produce significant improvements in behavioral outcomes. CM-hMSCs exert early, region-specific molecular effects on hippocampal glucose metabolism and inflammatory responses in HFD-exposed male offspring.