PreprintCited by 14Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchMemory and Neural Mechanisms

BIN1 Genetic Risk Factor for Alzheimer is Sufficient to Induce Early Structural Tract Alterations in Entorhinal-Hippocampal Area and Memory-Related Hippocampal Multi-Scale Impairments

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Daudin, R, Marechal, D, Golgolab, R, Wang, Q, Abe, Y, Tsurugizawa, T., Bourg, N, Sartori, M +33 more·2018·SSRN Electronic Journal

Abstract

Genetic factors are known to contribute to Late Onset Alzheimer’s disease (LOAD) but their contribution to pathophysiology, specially to prodomic phases accessible to therapeutic approaches are far to be understood. To translate genetic risk of Alzheimer’s disease (AD) into mechanistic insight, we generated transgenic mouse lines that express a ∼195 kbp human BAC that includes only BIN1 , a gene associated to LOAD. This model gives a modest BIN1 overexpression, dependent of the number of BAC copies. At 6 months of age, we detected impaired entorhinal cortex (EC)-hippocampal pathways with specific impairments in EC-dentate gyrus synaptic long-term potentiation, dendritic spines of granular cells and recognition episodic memory. Structural changes were quantified using MRI. Their whole-brain functional impact were analyzed using resting state fMRI with a hypoconnectivity centered on entorhinal cortex. These early phenotype defects independent of any changes in A-beta can be instrumental in the search for new AD drug targets.

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  1. [1]1. Ritchie, M. E. et al. limma powers differential expression analyses for RNA-sequencing and microarray studies. Nucleic Acids Res. 43, e47 (2015).
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Authors
Daudin, R., Marechal, D., Golgolab, R., Wang, Q., Abe, Y., Tsurugizawa, T., Bourg, N., Sartori, M., Loe-Mie, Y., Lipecka, J., Guerrera, C., McKenzie, A., Potier, B., Dutar, P., Viard, J., Lepagnol-Bestel, A. M., Winkeler, A., Uszynski, I., Hindié, V, Birling, M., Lindner, L., Chevalier, C., Pavlovic, G., Reiss, M., Kranz, H., Dupuis, G., Lévêque-Fort, S., Diaz, J., Davenas, E., Dembele, D., Atas-Ozcan, H., Laporte, J., Thibault-Carpentier, C., Malissen, B., Rain, J. C., Poupon, C., Le Bihan, D., Zhang, B., Herault, Y., Ciobanu, L., & Simonneau, M.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Icahn School of Medicine at Mount Sinai (US)
  • Inserm (FR)
  • Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR)
  • Hybrigenics (France) (FR)
  • Gene Bridges (Germany) (DE)
  • École Normale Supérieure Paris-Saclay (FR)
Corresponding author
Simonneau, M
Venue
SSRN Electronic Journal
Publisher
openRxiv
Published
2018-10-08
ISSN
1556-5068 (ISSN-L)
OpenAlex
W2895305250
Cited by
14
References
13
Citations by year
2026: 2 · 2025: 2 · 2024: 1 · 2023: 1 · 2022: 2 · 2021: 2 · 2020: 2 · 2019: 2
Type
posted content
Language
en
Open access
Locations
  • SSRN Electronic Journal (publishedVersion)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • HAL (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-18-ENM3-0002, ANR-17-JPCD-0002)
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 › Cognitive Neuroscience › Memory and Neural Mechanisms
Keywords
BIN1, late-onset Alzheimer's disease, genetic risk factors, transgenic mouse model, entorhinal cortex, hippocampus, dentate gyrus, long-term potentiation, dendritic spines, episodic memory, structural MRI, resting-state fMRI, prodromal Alzheimer's disease, therapeutic target

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