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Wang G, Jin S, Liu J, Li X, Dai P, Wang Y, Hou SX. A neuron-immune circuit regulates neurodegeneration in the hindbrain and spinal cord of Arf1-ablated mice. Natl Sci Rev 2023; 10:nwad222. [PMID: 38239560 PMCID: PMC10794899 DOI: 10.1093/nsr/nwad222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 01/22/2024] Open
Abstract
Neuroimmune connections have been revealed to play a central role in neurodegenerative diseases (NDs). However, the mechanisms that link the central nervous system (CNS) and peripheral immune cells are still mostly unknown. We recently found that specific ablation of the Arf1 gene in hindbrain and spinal cord neurons promoted NDs through activating the NLRP3 inflammasome in microglia via peroxided lipids and adenosine triphosphate (ATP) releasing. Here, we demonstrate that IL-1β with elevated chemokines in the neuronal Arf1-ablated mouse hindbrain and spinal cord recruited and activated γδ T cells in meninges. The activated γδ T cells then secreted IFN-γ that entered into parenchyma to activate the microglia-A1 astrocyte-C3-neuronal C3aR neurotoxic pathway. Remarkably, the neurodegenerative phenotypes of the neuronal Arf1-ablated mice were strongly ameliorated by IFN-γ or C3 knockout. Finally, we show that the Arf1-reduction-induced neuroimmune-IFN-γ-gliosis pathway exists in human NDs, particularly in amyotrophic lateral sclerosis and multiple sclerosis. Together, our results uncover a previously unknown mechanism that links the CNS and peripheral immune cells to promote neurodegeneration.
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Affiliation(s)
- Guohao Wang
- The Basic Research Laboratory, Center for Cancer Research, National Cancer Institute at Frederick, National Institutes of Health, Frederick, MD 21702, USA
| | - Shuhan Jin
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
| | - Jiaqi Liu
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
| | - Xu Li
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
| | - Peng Dai
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
| | - Yuetong Wang
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
| | - Steven X Hou
- Department of Cell and Developmental Biology at the School of Life Sciences, State Key Laboratory of Genetic Engineering, Institute of Metabolism and Integrative Biology, Human Phenome Institute, Department of Liver Surgery and Transplantation of Liver Cancer Institute at Zhongshan Hospital, Fudan University, Shanghai200438, China
- The Basic Research Laboratory, Center for Cancer Research, National Cancer Institute at Frederick, National Institutes of Health, Frederick, MD 21702, USA
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Lok HC, Katzeff JS, Hodges JR, Piguet O, Fu Y, Halliday GM, Kim WS. Elevated GRO-α and IL-18 in serum and brain implicate the NLRP3 inflammasome in frontotemporal dementia. Sci Rep 2023; 13:8942. [PMID: 37268663 DOI: 10.1038/s41598-023-35945-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 05/26/2023] [Indexed: 06/04/2023] Open
Abstract
Neuroinflammation is a hallmark of frontotemporal dementia (FTD), a heterogeneous group of proteinopathies characterized by the progressive degeneration of the frontal and temporal lobes. It is marked by microglial activation and subsequent cytokine release. Although cytokine levels in FTD brain and CSF have been examined, the number of cytokines measured in each study is limited and knowledge on cytokine concentrations in FTD serum is scarce. Here, we assessed 48 cytokines in FTD serum and brain. The aim was to determine common cytokine dysregulation pathways in serum and brain in FTD. Blood samples and brain tissue samples from the superior frontal cortex (SFC) were collected from individuals diagnosed with behavioral variant FTD (bvFTD) and healthy controls, and 48 cytokines were measured using a multiplex immunological assay. The data were evaluated by principal component factor analysis to determine the contribution from different components of the variance in the cohort. Levels of a number of cytokines were altered in serum and SFC in bvFTD compared to controls, with increases in GRO-α and IL-18 in both serum and SFC. These changes could be associated with NLRP3 inflammasome activation or the NFκB pathway, which activates NLRP3. The results suggest the possible importance of the NLRP3 inflammasome in FTD. An improved understanding of the role of inflammasomes in FTD could provide valuable insights into the pathogenesis, diagnosis and treatment of FTD.
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Affiliation(s)
- Hiu Chuen Lok
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Jared S Katzeff
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - John R Hodges
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
| | - Olivier Piguet
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
- School of Psychology, The University of Sydney, Sydney, NSW, Australia
| | - YuHong Fu
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Glenda M Halliday
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia
| | - Woojin Scott Kim
- Brain and Mind Centre, The University of Sydney, Camperdown, Sydney, NSW, 2050, Australia.
- School of Medical Sciences, The University of Sydney, Sydney, NSW, Australia.
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3
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Davis SE, Cook AK, Hall JA, Voskobiynyk Y, Carullo NV, Boyle NR, Hakim AR, Anderson KM, Hobdy KP, Pugh DA, Murchison CF, McMeekin LJ, Simmons M, Margolies KA, Cowell RM, Nana AL, Spina S, Grinberg LT, Miller BL, Seeley WW, Arrant AE. Patients with sporadic FTLD exhibit similar increases in lysosomal proteins and storage material as patients with FTD due to GRN mutations. Acta Neuropathol Commun 2023; 11:70. [PMID: 37118844 PMCID: PMC10148425 DOI: 10.1186/s40478-023-01571-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 04/24/2023] [Indexed: 04/30/2023] Open
Abstract
Loss of function progranulin (GRN) mutations are a major autosomal dominant cause of frontotemporal dementia (FTD). Patients with FTD due to GRN mutations (FTD-GRN) develop frontotemporal lobar degeneration with TDP-43 pathology type A (FTLD-TDP type A) and exhibit elevated levels of lysosomal proteins and storage material in frontal cortex, perhaps indicating lysosomal dysfunction as a mechanism of disease. To investigate whether patients with sporadic FTLD exhibit similar signs of lysosomal dysfunction, we compared lysosomal protein levels, transcript levels, and storage material in patients with FTD-GRN or sporadic FTLD-TDP type A. We analyzed samples from frontal cortex, a degenerated brain region, and occipital cortex, a relatively spared brain region. In frontal cortex, patients with sporadic FTLD-TDP type A exhibited similar increases in lysosomal protein levels, transcript levels, and storage material as patients with FTD-GRN. In occipital cortex of both patient groups, most lysosomal measures did not differ from controls. Frontal cortex from a transgenic mouse model of TDP-opathy had similar increases in cathepsin D and lysosomal storage material, showing that TDP-opathy and neurodegeneration can drive these changes independently of progranulin. To investigate these changes in additional FTLD subtypes, we analyzed frontal cortical samples from patients with sporadic FTLD-TDP type C or Pick's disease, an FTLD-tau subtype. All sporadic FTLD groups had similar increases in cathepsin D activity, lysosomal membrane proteins, and storage material as FTD-GRN patients. However, patients with FTLD-TDP type C or Pick's disease did not have similar increases in lysosomal transcripts as patients with FTD-GRN or sporadic FTLD-TDP type A. Based on these data, accumulation of lysosomal proteins and storage material may be a common aspect of end-stage FTLD. However, the unique changes in gene expression in patients with FTD-GRN or sporadic FTLD-TDP type A may indicate distinct underlying lysosomal changes among FTLD subtypes.
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Affiliation(s)
- Skylar E Davis
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Anna K Cook
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Justin A Hall
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Yuliya Voskobiynyk
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nancy V Carullo
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Nicholas R Boyle
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Ahmad R Hakim
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kristian M Anderson
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Kierra P Hobdy
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Derian A Pugh
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Charles F Murchison
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Laura J McMeekin
- Department of Neuroscience, Southern Research, Birmingham, AL, USA
| | - Micah Simmons
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Neuroscience, Southern Research, Birmingham, AL, USA
| | | | - Rita M Cowell
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA
- Department of Neuroscience, Southern Research, Birmingham, AL, USA
| | - Alissa L Nana
- Department of Neurology, Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
| | - Salvatore Spina
- Department of Neurology, Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
| | - Lea T Grinberg
- Department of Neurology, Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
- Department of Pathology, University of California, San Francisco, San Francisco, CA, USA
| | - Bruce L Miller
- Department of Neurology, Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
| | - William W Seeley
- Department of Neurology, Memory and Aging Center, UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, CA, USA
- Department of Pathology, University of California, San Francisco, San Francisco, CA, USA
| | - Andrew E Arrant
- Department of Neurology, Center for Neurodegeneration and Experimental Therapeutics, Alzheimer's Disease Center, Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL, USA.
- Department of Neurobiology, University of Alabama at Birmingham, Birmingham, AL, USA.
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Marsan E, Velmeshev D, Ramsey A, Patel RK, Zhang J, Koontz M, Andrews MG, de Majo M, Mora C, Blumenfeld J, Li AN, Spina S, Grinberg LT, Seeley WW, Miller BL, Ullian EM, Krummel MF, Kriegstein AR, Huang EJ. Astroglial toxicity promotes synaptic degeneration in the thalamocortical circuit in frontotemporal dementia with GRN mutations. J Clin Invest 2023; 133:e164919. [PMID: 36602862 PMCID: PMC10014110 DOI: 10.1172/jci164919] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Accepted: 12/27/2022] [Indexed: 01/06/2023] Open
Abstract
Mutations in the human progranulin (GRN) gene are a leading cause of frontotemporal lobar degeneration (FTLD). While previous studies implicate aberrant microglial activation as a disease-driving factor in neurodegeneration in the thalamocortical circuit in Grn-/- mice, the exact mechanism for neurodegeneration in FTLD-GRN remains unclear. By performing comparative single-cell transcriptomics in the thalamus and frontal cortex of Grn-/- mice and patients with FTLD-GRN, we have uncovered a highly conserved astroglial pathology characterized by upregulation of gap junction protein GJA1, water channel AQP4, and lipid-binding protein APOE, and downregulation of glutamate transporter SLC1A2 that promoted profound synaptic degeneration across the two species. This astroglial toxicity could be recapitulated in mouse astrocyte-neuron cocultures and by transplanting induced pluripotent stem cell-derived astrocytes to cortical organoids, where progranulin-deficient astrocytes promoted synaptic degeneration, neuronal stress, and TDP-43 proteinopathy. Together, these results reveal a previously unappreciated astroglial pathology as a potential key mechanism in neurodegeneration in FTLD-GRN.
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Affiliation(s)
| | - Dmitry Velmeshev
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, UCSF, San Francisco, California, USA
- Department of Neurobiology, Duke University School of Medicine, Durham, North Carolina, USA
| | | | | | | | - Mark Koontz
- Department of Ophthalmology, UCSF, San Francisco, California, USA
| | - Madeline G. Andrews
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, UCSF, San Francisco, California, USA
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA
| | - Martina de Majo
- Department of Ophthalmology, UCSF, San Francisco, California, USA
| | | | | | - Alissa N. Li
- Memory and Aging Center, Department of Neurology, UCSF, San Francisco, California, USA
| | - Salvatore Spina
- Memory and Aging Center, Department of Neurology, UCSF, San Francisco, California, USA
| | - Lea T. Grinberg
- Department of Pathology
- Memory and Aging Center, Department of Neurology, UCSF, San Francisco, California, USA
| | - William W. Seeley
- Department of Pathology
- Neuroscience Graduate Program, UCSF, San Francisco, California, USA
- Memory and Aging Center, Department of Neurology, UCSF, San Francisco, California, USA
| | - Bruce L. Miller
- Memory and Aging Center, Department of Neurology, UCSF, San Francisco, California, USA
| | - Erik M. Ullian
- Department of Ophthalmology, UCSF, San Francisco, California, USA
- Neuroscience Graduate Program, UCSF, San Francisco, California, USA
| | | | - Arnold R. Kriegstein
- Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research, UCSF, San Francisco, California, USA
- Neuroscience Graduate Program, UCSF, San Francisco, California, USA
| | - Eric J. Huang
- Department of Pathology
- ImmunoX Initiative, and
- Neuroscience Graduate Program, UCSF, San Francisco, California, USA
- Pathology Service, San Francisco Veterans Health Care System, San Francisco, California, USA
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