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Updated: May 17, 2025

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice
Published on: November 16, 2011
Ginsenoside CK modulates glucose metabolism via PPARγ to ameliorate SCOP-induced cognitive dysfunction
Na Li1,2, Xingyu Fang1, Hui Li3
1Jinlin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, Jilin, P.R. China.
None:
Ginsenoside compound K (CK) exhibits neuroprotective properties; however, the underlying mechanisms behind these effects have not been investigated thoroughly. CK is the primary active compound derived from ginseng and is metabolized in the gut. It enhances neuronal function by modulating the gut microflora. Therefore, the present study aimed to elucidate the mechanism through which CK enhances cognitive function, employing gut microbiome and microarray analyses. The results revealed that CK upregulated the expression of peroxisome proliferator-activated receptor gamma (PPARγ), suppressed amyloid-β (Aβ) aggregation in hippocampal neurons, and influenced the expression of cyclin-dependent kinase-5 (CDK5), (including insulin receptor substrate 2) IRS2, insulin-degrading enzyme (IDE), glycogen synthase kinase-3 beta (GSK-3β), glucose transporter type 1 (GLUT1), and glucose transporter type 3 (GLUT3) proteins. These proteins play crucial roles in regulating brain glucose metabolism, increasing neuronal energy, and reducing neuronal apoptosis, thereby ameliorating cognitive impairment in mice.
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