Cited by 71Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchNeuroinflammation and Neurodegeneration Mechanisms

Abnormal Sp1 transcription factor expression in Alzheimer disease and tauopathies

Santpere, G., Nieto, M., Puig, B., Ferrer, I.·2006·Neuroscience Letters

Abstract

Sp1 transcription factor expression was examined by immunohistochemistry, immunofluorescence and confocal microscopy in Alzheimer disease (AD), Pick disease (PiD), progressive supranuclear palsy (PSP), Parkinson disease (PD) and Dementia with Lewy bodies (DLB). Sp1 partly co-localizes with hyper-phosphorylated tau deposits in neurofibrillary tangles, dystrophic neurites of senile plaques and neuropil threads in AD, and in neurons, astrocytes and oligodendrocytes bearing hyper-phosphorylated tau in PiD and PSP. Sp1 is not found in alpha-synuclein inclusions in PD and DLB. These modifications are not associated with changes in the total expression levels of Sp1, as revealed with gel electrophoresis and Western blotting of brain homogenates. Furthermore, no co-immunoprecipitation of Sp1 and phospho-tau was observed in AD and PiD cases. Since Sp1 binding sites are present in the promoters of several genes involved in amyloid and tau, and Sp1 is regulated by oxidative stress, the present findings suggest that Sp1 deposition in hyper-phosphorylated tau deposits may have functional consequences in the pathology of AD and other tauopathies.

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Crossref · 10.1016/j.neulet.2005.11.062

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  • SP1, a transcription factor that regulates the expression of several amyloid and tau-related genes, has been found to be abnormally expressed in the frontal cortex and hippocampus of patients with AD.

    “It is noteworthy that SP1, a transcription factor that regulates the expression of several amyloid and tau-related genes,47 has been found to be abnormally expressed in the frontal cortex and hippocampus of patients with AD.48”

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Authors
Santpere, G., Nieto, M., Puig, B., & Ferrer, I.
Affiliations
Bellvitge University Hospital (ES)
Corresponding author
Ferrer, I.
Venue
Neuroscience Letters
Publisher
Elsevier BV
Published
2006-04
Volume
397
Issue
1-2
Pages
30-34
ISSN
0304-3940 (ISSN-L)
OpenAlex
W2038838498
Cited by
70
References
26
Citations by year
2025: 4 · 2024: 1 · 2023: 6 · 2022: 2 · 2021: 6 · 2020: 2 · 2019: 2 · 2018: 5 · 2017: 1 · 2016: 4 · 2015: 4 · 2014: 7 · 2013: 5 · 2012: 3
FWCI
1.20
Type
journal article
Language
en
Open access
closed
Locations
  • Neuroscience Letters (publishedVersion)
  • PubMed (publishedVersion)
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
Sp1, Alzheimer's disease, tauopathy, Pick's disease, progressive supranuclear palsy, Parkinson's disease, dementia with Lewy bodies, hyperphosphorylated tau, neurofibrillary tangles, amyloid plaques, neuropil threads, alpha-synuclein inclusions, oxidative stress, gene expression regulation
MeSH terms
Alzheimer Disease, Astrocytes, Humans, Immunohistochemistry, Neurons, Postmortem Changes, Blotting, Western, Gene Expression, Case-Control Studies, Sp1 Transcription Factor, Neurofibrillary Tangles, tau Proteins, Pick Disease of the Brain, Tauopathies, Immunoprecipitation

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