Cited by 21Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsMedicinal Plants and Neuroprotection

Geniposide Attenuates the Level of Aβ1-42 via Enhancing Leptin Signaling in Cellular and APP/PS1 Transgenic Mice

Liu, Zixuan, Zhang, Yonglan, Liu, Jianhui, Yin, Fei·2017·Archives of Pharmacal Research

Abstract

An large body of evidence indicates that leptin has protective role against Alzheimer's disease, where it reduces β-amyloid (Aβ) production in both cell culture and animal models. Our previous studies revealed that geniposide could attenuate the production of Aβ 1-42 and antagonize the neurotoxicity of Aβ 1-42 in neurons. However, the mechanism that underlies these effects remains to be clarified. To investigate whether leptin signaling is involved in regulating the production of Aβ 1-42 by geniposide, we treated primary neurons with leptin antagonist (LA), and determined the influence of LA on the activities of leptin signaling molecules and the expressions of secretases associated with the production of Aβ 1-42. The finding showed that, accompanied with the inhibition on the level of Aβ 1-42 in primary neurons and APP/PS1 transgenic mice, geniposide induced the phosphorylation of JAK2 and STAT3, regulated the expression level of α- and β-secretase, and all of these could be prevented by the pre-incubation with LA. The results of this study suggest that geniposide may regulate the production of Aβ 1-42 via leptin signaling.

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Crossref · 10.1007/s12272-016-0875-9

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Authors
Liu, Z., Zhang, Y., Liu, J., & Yin, F.
Affiliations
Chongqing University of Technology (CN)
Corresponding author
  • Liu, Jianhui
  • Yin, Fei
Venue
Archives of Pharmacal Research
Published
2017-02-03
Volume
40
Issue
5
Pages
571-578
ISSN
  • 0253-6269 (ISSN-L)
  • 1976-3786
OpenAlex
W2583139546
Cited by
21
References
40
Citations by year
2024: 1 · 2023: 2 · 2022: 3 · 2021: 3 · 2020: 3 · 2019: 5 · 2018: 3 · 2017: 1
FWCI
2.43
Type
journal article
Language
en
Open access
closed
Locations
  • Archives of Pharmacal Research (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (CN) (81173063)
  • Chongqing Science Found for Distinguished Young Scholars (2014jcyjjq10003)
  • the Innovative Research Team Development Program at the University of Chongqing (CXTDX201601031)
  • The Innovation of Science and Technology Leading Talent in Chongqing (2014kjcxljrc18)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Complementary and alternative medicine › Medicinal Plants and Neuroprotection
Keywords
geniposide, amyloid-beta 42, leptin signaling, Alzheimer's disease, APP/PS1 mice, JAK2/STAT3 signaling, secretases, alpha-secretase, beta-secretase, leptin antagonist, primary neurons, neuroprotection
MeSH terms
Animals, Dose-Response Relationship, Drug, Mice, Inbred C57BL, Mice, Transgenic, Neurons, Peptide Fragments, Structure-Activity Relationship, Signal Transduction, Amyloid beta-Peptides, Leptin, Gardenia, Iridoids, Mice

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