Cited by 59Alzheimer's disease research and treatmentsCholinesterase and Neurodegenerative DiseasesNeuroinflammation and Neurodegeneration Mechanisms

BMP9 ameliorates amyloidosis and the cholinergic defect in a mouse model of Alzheimer’s disease

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Burke, Rebecca M., Norman, Timothy A., Haydar, Tarik F., Slack, Barbara E., Leeman, Susan E., Blusztajn, Jan Krzysztof, Mellott, Tiffany J.·2013·Proceedings of the National Academy of Sciences

Abstract

Bone morphogenetic protein 9 (BMP9) promotes the acquisition of the cholinergic phenotype in basal forebrain cholinergic neurons (BFCN) during development and protects these neurons from cholinergic dedifferentiation following axotomy when administered in vivo. A decline in BFCN function occurs in patients with Alzheimer's disease (AD) and contributes to the AD-associated memory deficits. We infused BMP9 intracerebroventricularly for 7 d in transgenic AD model mice expressing green fluorescent protein specifically in cholinergic neurons (APP.PS1/CHGFP) and in wild-type littermate controls (WT/CHGFP). We used 5-mo-old mice, an age when the AD transgenics display early amyloid deposition and few cholinergic defects, and 10-mo-old mice, by which time these mice exhibit established disease. BMP9 infusion reduced the number of Aβ42-positive amyloid plaques in the hippocampus and cerebral cortex of 5- and 10-mo-old APP.PS1/CHGFP mice and reversed the reductions in choline acetyltransferase protein levels in the hippocampus of 10-mo-old APP.PS1/CHGFP mice. The treatment increased cholinergic fiber density in the hippocampus of both WT/CHGFP and APP.PS1/CHGFP mice at both ages. BMP9 infusion also increased hippocampal levels of neurotrophin 3, insulin-like growth factor 1, and nerve growth factor and of the nerve growth factor receptors, tyrosine kinase receptor A and p75/NGFR, irrespective of the genotype of the mice. These data show that BMP9 administration is effective in reducing the Aβ42 amyloid plaque burden, reversing cholinergic neuron abnormalities, and generating a neurotrophic milieu for BFCN in a mouse model of AD and provide evidence that the BMP9-signaling pathway may constitute a therapeutic target for AD.

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  • BMP9, MyD88, and mTOR were previously involved in restricting amyloidosis, microglial response to pathogens, and pro-inflammatory microglia.

    “which were previously involved in restricting amyloidosis56, microglial response to pathogens57, and pro-inflammatory microglia58”

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Authors
Burke, R. M., Norman, T. A., Haydar, T. F., Slack, B. E., Leeman, S. E., Blusztajn, J. K., & Mellott, T. J.
Affiliations
  • Boston University (US)
  • Department of Pathology and Laboratory Medicine,
  • Department of Anatomy and Neurobiology, and
Venue
Proceedings of the National Academy of Sciences
Published
2013-11-11
Volume
110
Issue
48
Pages
19567-19572
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2068348032
Cited by
59
References
66
Citations by year
2026: 1 · 2025: 2 · 2024: 1 · 2023: 7 · 2022: 2 · 2021: 4 · 2020: 5 · 2019: 7 · 2018: 6 · 2017: 9 · 2016: 7 · 2015: 6 · 2014: 2
FWCI
3.48
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the National Academy of Sciences (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (R01AG032709, Z01AG000015, NIH T32AG00015, AG032709)
  • National Institute of Neurological Disorders and Stroke (R01NS051852, NS076503, R01NS076503, NS051852)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Pharmacology › Cholinesterase and Neurodegenerative Diseases
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
Keywords
BMP9, Alzheimer's disease, amyloid plaques, amyloid-beta 42, cholinergic neurons, cholinergic deficit, APP/PS1 mice, intracerebroventricular infusion, choline acetyltransferase, neurotrophic factors, nerve growth factor, neurotrophin-3, insulin-like growth factor I, p75NGFR, hippocampus, therapeutic target
MeSH terms
Alzheimer Disease, Amyloidosis, Analysis of Variance, Animals, Female, Immunoassay, Immunohistochemistry, Male, Microscopy, Fluorescence, Immunoblotting, Mice, Growth Differentiation Factor 2, Cholinergic Neurons

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