Cited by 82Alzheimer's disease research and treatmentsNeuroinflammation and Neurodegeneration MechanismsDementia and Cognitive Impairment Research

Role of cytokines in the gene expression of amyloid β–protein precursor: Identification of a 5'-UTR-Binding nuclear factor and its implications in Alzheimer's disease

Lahiri, D.K., Chen, D., Vivien, D., Ge, Y.-W., Greig, N.H., Rogers, J.T.·2003·Journal of Alzheimer s Disease

Abstract

One of the major neuropathological characteristics of Alzheimer's disease (AD) is the brain depositions of senile plaques that are mainly composed of toxic amyloid beta-peptide (Abeta), which is generated from a family of Abeta containing precursor proteins (AbetaPP; 695-770 amino acids). The role of cytokines and growth factors has been implicated in the pathogenesis of AD. Our goal is to determine the mode of action of cytokines on the regulation of betaPP gene expression. Here we studied the effect of different cytokines on the activity of 5'-untranslated region (5'-UTR) of betaPP mRNA in human astrocytic cells (U-373). We compared betaPP-5'-UTR activity in the presence of interleukin-1 (IL-1alpha and IL-1beta), transforming growth factor (TGF-beta1) and tumor necrosis factor TNF-alpha1. The astrocytic cells, which were treated separately with these agents, were transfected with either the vector (pSV2CAT) or pSV2UTR-CAT construct containing 90 bp of AbetaPP 5'-UTR +54 to 144 bp). This region was cloned upstream of a reporter chloramphenicol acetyl transferase gene (CAT). Our results indicate that the treatment of pSV2UTR-CAT-transfected cells with either IL-1alpha, IL-1beta, TGF-beta1 or TNF-alpha1 stimulated reporter gene activity in a factor-specific manner. This was consistent with their effects on elevating AbetaPP protein levels. Transfection of the same cells with the pSV2CAT vector lacking 5'-UTR resulted in a reduced reporter gene activity with all treatments studied. DNA-gel shift experiments indicate that the 54/144 region binds to a nuclear protein(s) in a cell type specific manner. These results suggest that 5'-UTR of the AbetaPP gene can respond to the stimulation of different cytokines, which likely regulate AbetaPP transcription and translation via regulatory elements present in the AbetaPP promoter and in 5'-UTR, respectively. The characterization of AbetaPP regulatory elements, including the 5'-UTR, will accelerate the development of novel agents against new targets for AD.

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Crossref · 10.3233/jad-2003-5203

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Authors
Lahiri, D. K., Chen, D., Vivien, D., Ge, Y.-W., Greig, N. H., & Rogers, J. T.
Affiliations
  • Indiana University Indianapolis (US)
  • Centre National de la Recherche Scientifique (FR)
  • National Institute on Aging (US)
  • Harvard University (US)
Venue
Journal of Alzheimer s Disease
Published
2003-04-22
Volume
5
Issue
2
Pages
81-90
ISSN
  • 1387-2877 (ISSN-L)
  • 1875-8908
OpenAlex
W1443476078
Cited by
81
References
0
Citations by year
2026: 1 · 2025: 3 · 2024: 1 · 2023: 4 · 2022: 1 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 3 · 2017: 2 · 2016: 2 · 2015: 4 · 2014: 2 · 2013: 1 · 2012: 4
FWCI
4.79
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Alzheimer s Disease (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
Keywords
Alzheimer's disease, amyloid precursor protein
MeSH terms
Adrenal Gland Neoplasms, Alzheimer Disease, Animals, Astrocytoma, Brain Neoplasms, Cloning, Molecular, Gene Expression Regulation, Humans, Pheochromocytoma, Transfection, Tumor Cells, Cultured, Chloramphenicol O-Acetyltransferase, Transcriptional Activation, Cytokines, Amyloid beta-Peptides, Amyloid beta-Protein Precursor, Genes, Reporter, 5' Untranslated Regions, Rats

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