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Liu CC, Zhao J, Fu Y, Inoue Y, Ren Y, Chen Y, Doss SV, Shue F, Jeevaratnam S, Bastea L, Wang N, Martens YA, Qiao W, Wang M, Zhao N, Jia L, Yamazaki Y, Yamazaki A, Rosenberg CL, Wang Z, Kong D, Li Z, Kuchenbecker LA, Trottier ZA, Felton L, Rogers J, Quicksall ZS, Linares C, Knight J, Chen Y, Kurti A, Kanekiyo T, Fryer JD, Asmann YW, Storz P, Wang X, Peng J, Zhang B, Kim BYS, Bu G. Peripheral apoE4 enhances Alzheimer's pathology and impairs cognition by compromising cerebrovascular function. Nat Neurosci 2022; 25:1020-1033. [PMID: 35915180 PMCID: PMC10009873 DOI: 10.1038/s41593-022-01127-0] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Accepted: 06/22/2022] [Indexed: 12/21/2022]
Abstract
The ε4 allele of the apolipoprotein E (APOE) gene, a genetic risk factor for Alzheimer's disease, is abundantly expressed in both the brain and periphery. Here, we present evidence that peripheral apoE isoforms, separated from those in the brain by the blood-brain barrier, differentially impact Alzheimer's disease pathogenesis and cognition. To evaluate the function of peripheral apoE, we developed conditional mouse models expressing human APOE3 or APOE4 in the liver with no detectable apoE in the brain. Liver-expressed apoE4 compromised synaptic plasticity and cognition by impairing cerebrovascular functions. Plasma proteome profiling revealed apoE isoform-dependent functional pathways highlighting cell adhesion, lipoprotein metabolism and complement activation. ApoE3 plasma from young mice improved cognition and reduced vessel-associated gliosis when transfused into aged mice, whereas apoE4 compromised the beneficial effects of young plasma. A human induced pluripotent stem cell-derived endothelial cell model recapitulated the plasma apoE isoform-specific effect on endothelial integrity, further supporting a vascular-related mechanism. Upon breeding with amyloid model mice, liver-expressed apoE4 exacerbated brain amyloid pathology, whereas apoE3 reduced it. Our findings demonstrate pathogenic effects of peripheral apoE4, providing a strong rationale for targeting peripheral apoE to treat Alzheimer's disease.
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Affiliation(s)
- Chia-Chen Liu
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
| | - Jing Zhao
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yuan Fu
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yasuteru Inoue
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yingxue Ren
- Department of Quantitative Health Sciences, Mayo Clinic, Jacksonville, FL, USA
| | - Yuanxin Chen
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Sydney V Doss
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Francis Shue
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Ligia Bastea
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Na Wang
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yuka A Martens
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Wenhui Qiao
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Minghui Wang
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Na Zhao
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Lin Jia
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yu Yamazaki
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Akari Yamazaki
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Zhen Wang
- Departments of Structural Biology and Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Dehui Kong
- Department of Biology, University of North Dakota, Grand Forks, ND, USA
| | - Zonghua Li
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | | | - Lindsey Felton
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Justin Rogers
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - Cynthia Linares
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Joshua Knight
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yixing Chen
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Aishe Kurti
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | | | - John D Fryer
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA
| | - Yan W Asmann
- Department of Quantitative Health Sciences, Mayo Clinic, Jacksonville, FL, USA
| | - Peter Storz
- Department of Cancer Biology, Mayo Clinic, Jacksonville, FL, USA
| | - Xusheng Wang
- Department of Biology, University of North Dakota, Grand Forks, ND, USA
| | - Junmin Peng
- Departments of Structural Biology and Developmental Neurobiology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Bin Zhang
- Department of Genetics and Genomic Sciences, Mount Sinai Center for Transformative Disease Modeling, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Betty Y S Kim
- Department of Neurosurgery, The Brain Tumor Center, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Guojun Bu
- Department of Neuroscience, Mayo Clinic, Jacksonville, FL, USA.
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