Cited by 11Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Leptin Signaling Plays a Critical Role in the Geniposide-Induced Decrease of Tau Phosphorylation

Liu, Jianhui, Liu, Zixuan, Zhang, Yonglan, Yin, Fei·2015·Acta Biochimica et Biophysica Sinica

Abstract

We have previously demonstrated that geniposide attenuates the production of Aβ1-42 both in vitro and in vivo via enhancing leptin receptor signaling. But the role played by geniposide in the phosphorylation of tau and its underlying molecular mechanisms remain unclear. In this study, we investigated the effect of geniposide on the phosphorylation of tau and the role of leptin signaling in this process. Our data suggested that, accompanied by the up-regulation of leptin receptor expression, geniposide significantly decreased the phosphorylation of tau in rat primary cultured cortical neurons and in APP/PS1 transgenic mice, and this geniposide-induced decrease of tau phosphorylation could be prevented by leptin antagonist (LA). Furthermore, LA also prevented the phosphorylation of Akt at Ser-473 site and GSK-3β at Ser-9 site induced by geniposide. All these results indicate that geniposide may regulate tau phosphorylation through leptin signaling, and geniposide may be a promising therapeutic compound for the treatment of Alzheimer's disease in the future.

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Crossref · 10.1093/abbs/gmv106

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Authors
Liu, J., Liu, Z., Zhang, Y., & Yin, F.
Affiliations
  • Chongqing Technology and Business University (CN)
  • Chongqing University of Technology (CN)
Venue
Acta Biochimica et Biophysica Sinica
Published
2015-12-01
Volume
47
Issue
12
Pages
1018-1022
ISSN
1672-9145 (ISSN-L)
OpenAlex
W2300360012
Cited by
11
References
23
Citations by year
2024: 2 · 2022: 4 · 2021: 3 · 2019: 1 · 2018: 1
FWCI
0.25
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Biochimica et Biophysica Sinica (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81173063)
  • Chongqing Science Found for Distinguished Young Scholars from Chongqing Science & Technology Community (2014jcyjjq10003)
  • Innovation of Science and Technology Leading Talent in Chongqing from Chongqing Science & Technology Community (2014kjcxljrc0009)
  • Chongqing Natural Science Foundation
  • Chongqing Science & Technology Community (2013jjb10032)
  • Innovative Research Team Development Program in University of Chongqing (KJTD 201314)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
geniposide, leptin signaling, leptin receptor, tau phosphorylation, Alzheimer's disease, APP/PS1 mice, cortical neurons, Akt phosphorylation, GSK3β phosphorylation, leptin antagonist, amyloid-beta 42
MeSH terms
Glycogen Synthase Kinase 3 beta, Alzheimer Disease, Animals, Gene Expression Regulation, Mice, Inbred C57BL, Mice, Transgenic, Neurons, Phosphorylation, Signal Transduction, tau Proteins, Leptin, Iridoids, Mice, Rats, Receptors, Leptin

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