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Italia M, Salvadè M, La Greca F, Zianni E, Pelucchi S, Spinola A, Ferrari E, Archetti S, Alberici A, Benussi A, Solje E, Haapasalo A, Hoffmann D, Katisko K, Krüger J, Facchinetti R, Scuderi C, Padovani A, DiLuca M, Scheggia D, Borroni B, Gardoni F. Anti-GluA3 autoantibodies define a new sub-population of frontotemporal lobar degeneration patients with distinct neuropathological features. Brain Behav Immun 2024; 118:380-397. [PMID: 38485064 DOI: 10.1016/j.bbi.2024.03.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 03/07/2024] [Accepted: 03/11/2024] [Indexed: 03/19/2024] Open
Abstract
Autoantibodies directed against the GluA3 subunit (anti-GluA3 hIgGs) of AMPA receptors have been identified in 20%-25% of patients with frontotemporal lobar degeneration (FTLD). Data from patients and in vitro/ex vivo pre-clinical studies indicate that anti-GluA3 hIgGs negatively affect glutamatergic neurotransmission. However, whether and how the chronic presence of anti-GluA3 hIgGs triggers synaptic dysfunctions and the appearance of FTLD-related neuropathological and behavioural signature has not been clarified yet. To address this question, we developed and characterized a pre-clinical mouse model of passive immunization with anti-GluA3 hIgGs purified from patients. In parallel, we clinically compared FTLD patients who were positive for anti-GluA3 hIgGs to negative ones. Clinical data showed that the presence of anti-GluA3 hIgGs defined a subgroup of patients with distinct clinical features. In the preclinical model, anti-GluA3 hIgGs administration led to accumulation of phospho-tau in the postsynaptic fraction and dendritic spine loss in the prefrontal cortex. Remarkably, the preclinical model exhibited behavioural disturbances that mostly reflected the deficits proper of patients positive for anti-GluA3 hIgGs. Of note, anti-GluA3 hIgGs-mediated alterations were rescued in the animal model by enhancing glutamatergic neurotransmission with a positive allosteric modulator of AMPA receptors. Overall, our study clarified the contribution of anti-GluA3 autoantibodies to central nervous system symptoms and pathology and identified a specific subgroup of FTLD patients. Our findings will be instrumental in the development of a therapeutic personalised medicine strategy for patients positive for anti-GluA3 hIgGs.
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Affiliation(s)
- Maria Italia
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Michela Salvadè
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Filippo La Greca
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Elisa Zianni
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Silvia Pelucchi
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Alessio Spinola
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Elena Ferrari
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Silvana Archetti
- Department of Laboratories, Central Laboratory of Clinical Chemistry Analysis. ASST Spedali Civili, Brescia, Italy
| | - Antonella Alberici
- Neurology Unit, Centre for Neurodegenerative Disorders, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Alberto Benussi
- Neurology Unit, Centre for Neurodegenerative Disorders, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Eino Solje
- Institute of Clinical Medicine - Neurology, University of Eastern Finland, Kuopio, Finland; Neuro Center, Neurology, Kuopio University Hospital, Kuopio, Finland
| | - Annakaisa Haapasalo
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Dorit Hoffmann
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Kasper Katisko
- Institute of Clinical Medicine - Neurology, University of Eastern Finland, Kuopio, Finland; Neuro Center, Neurology, Kuopio University Hospital, Kuopio, Finland
| | - Johanna Krüger
- Research Unit of Clinical Medicine, Neurology, University of Oulu, Oulu, Finland; Neurocenter, Neurology, Oulu University Hospital, Oulu, Finland; Medical Research Center, Oulu University Hospital, Oulu, Finland
| | - Roberta Facchinetti
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
| | - Caterina Scuderi
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
| | - Alessandro Padovani
- Neurology Unit, Centre for Neurodegenerative Disorders, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Monica DiLuca
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Diego Scheggia
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy
| | - Barbara Borroni
- Neurology Unit, Centre for Neurodegenerative Disorders, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
| | - Fabrizio Gardoni
- Department of Pharmacological and Biomolecular Sciences (DiSFeB), University of Milan, Milan, Italy.
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Garmendia JV, De Sanctis CV, Das V, Annadurai N, Hajduch M, De Sanctis JB. Inflammation, Autoimmunity and Neurodegenerative Diseases, Therapeutics and Beyond. Curr Neuropharmacol 2024; 22:1080-1109. [PMID: 37898823 PMCID: PMC10964103 DOI: 10.2174/1570159x22666231017141636] [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: 06/05/2023] [Revised: 07/13/2023] [Accepted: 08/03/2023] [Indexed: 10/30/2023] Open
Abstract
Neurodegenerative disease (ND) incidence has recently increased due to improved life expectancy. Alzheimer's (AD) or Parkinson's disease (PD) are the most prevalent NDs. Both diseases are poly genetic, multifactorial and heterogenous. Preventive medicine, a healthy diet, exercise, and controlling comorbidities may delay the onset. After the diseases are diagnosed, therapy is needed to slow progression. Recent studies show that local, peripheral and age-related inflammation accelerates NDs' onset and progression. Patients with autoimmune disorders like inflammatory bowel disease (IBD) could be at higher risk of developing AD or PD. However, no increase in ND incidence has been reported if the patients are adequately diagnosed and treated. Autoantibodies against abnormal tau, β amyloid and α- synuclein have been encountered in AD and PD and may be protective. This discovery led to the proposal of immune-based therapies for AD and PD involving monoclonal antibodies, immunization/ vaccines, pro-inflammatory cytokine inhibition and anti-inflammatory cytokine addition. All the different approaches have been analysed here. Future perspectives on new therapeutic strategies for both disorders are concisely examined.
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Affiliation(s)
- Jenny Valentina Garmendia
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
| | - Claudia Valentina De Sanctis
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
| | - Viswanath Das
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
- The Czech Advanced Technology and Research Institute (Catrin), Palacky University, Olomouc, The Czech Republic
| | - Narendran Annadurai
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
| | - Marián Hajduch
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
- The Czech Advanced Technology and Research Institute (Catrin), Palacky University, Olomouc, The Czech Republic
| | - Juan Bautista De Sanctis
- Institute of Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University, Olomouc, The Czech Republic
- The Czech Advanced Technology and Research Institute (Catrin), Palacky University, Olomouc, The Czech Republic
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Ehtewish H, Mesleh A, Ponirakis G, Lennard K, Al Hamad H, Chandran M, Parray A, Abdesselem H, Wijten P, Decock J, Alajez NM, Ramadan M, Khan S, Ayadathil R, Own A, Elsotouhy A, Albagha O, Arredouani A, Blackburn JM, Malik RA, El-Agnaf OMA. Profiling the autoantibody repertoire reveals autoantibodies associated with mild cognitive impairment and dementia. Front Neurol 2023; 14:1256745. [PMID: 38107644 PMCID: PMC10722091 DOI: 10.3389/fneur.2023.1256745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Accepted: 10/31/2023] [Indexed: 12/19/2023] Open
Abstract
Background Dementia is a debilitating neurological disease affecting millions of people worldwide. The exact mechanisms underlying the initiation and progression of the disease remain to be fully defined. There is an increasing body of evidence for the role of immune dysregulation in the pathogenesis of dementia, where blood-borne autoimmune antibodies have been studied as potential markers associated with pathological mechanisms of dementia. Methods This study included plasma from 50 cognitively normal individuals, 55 subjects with MCI (mild cognitive impairment), and 22 subjects with dementia. Autoantibody profiling for more than 1,600 antigens was performed using a high throughput microarray platform to identify differentially expressed autoantibodies in MCI and dementia. Results The differential expression analysis identified 33 significantly altered autoantibodies in the plasma of patients with dementia compared to cognitively normal subjects, and 38 significantly altered autoantibodies in the plasma of patients with dementia compared to subjects with MCI. And 20 proteins had significantly altered autoantibody responses in MCI compared to cognitively normal individuals. Five autoantibodies were commonly dysregulated in both dementia and MCI, including anti-CAMK2A, CKS1B, ETS2, MAP4, and NUDT2. Plasma levels of anti-ODF3, E6, S100P, and ARHGDIG correlated negatively with the cognitive performance scores (MoCA) (r2 -0.56 to -0.42, value of p < 0.001). Additionally, several proteins targeted by autoantibodies dysregulated in dementia were significantly enriched in the neurotrophin signaling pathway, axon guidance, cholinergic synapse, long-term potentiation, apoptosis, glycolysis and gluconeogenesis. Conclusion We have shown multiple dysregulated autoantibodies in the plasma of subjects with MCI and dementia. The corresponding proteins for these autoantibodies are involved in neurodegenerative pathways, suggesting a potential impact of autoimmunity on the etiology of dementia and the possible benefit for future therapeutic approaches. Further investigations are warranted to validate our findings.
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Affiliation(s)
- Hanan Ehtewish
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Areej Mesleh
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Georgios Ponirakis
- Department of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation (QF), Doha, Qatar
| | - Katie Lennard
- Sengenics Corporation, Level M, Plaza Zurich, Damansara Heights, Kuala Lumpur, Malaysia
| | - Hanadi Al Hamad
- Geriatric and Memory Clinic, Rumailah Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Mani Chandran
- Geriatric and Memory Clinic, Rumailah Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Aijaz Parray
- The Neuroscience Institute, Academic Health System, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Houari Abdesselem
- Proteomics Core Facility, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Patrick Wijten
- Diabetes Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Julie Decock
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Translational Cancer and Immunity Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Nehad M. Alajez
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Translational Cancer and Immunity Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Marwan Ramadan
- Geriatric and Memory Clinic, Rumailah Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Shafi Khan
- Geriatric and Memory Clinic, Rumailah Hospital, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Raheem Ayadathil
- The Neuroscience Institute, Academic Health System, Hamad Medical Corporation (HMC), Doha, Qatar
| | - Ahmed Own
- The Neuroscience Institute, Academic Health System, Hamad Medical Corporation (HMC), Doha, Qatar
- Department of Neuroradiology, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Ahmed Elsotouhy
- The Neuroscience Institute, Academic Health System, Hamad Medical Corporation (HMC), Doha, Qatar
- Department of Clinical Radiology, Weill Cornell Medicine-Qatar, Qatar Foundation, Doha, Qatar
| | - Omar Albagha
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Abdelilah Arredouani
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Diabetes Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
| | - Jonathan M. Blackburn
- Sengenics Corporation, Level M, Plaza Zurich, Damansara Heights, Kuala Lumpur, Malaysia
- Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
- Faculty of Health Sciences, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Rayaz A. Malik
- Department of Medicine, Weill Cornell Medicine-Qatar, Qatar Foundation (QF), Doha, Qatar
| | - Omar M. A. El-Agnaf
- College of Health and Life Sciences (CHLS), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
- Neurological Disorders Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation (QF), Doha, Qatar
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Sun Y, Zhang L, Liu P, Peng G. Autoimmunity and Frontotemporal Lobar Degeneration: From Laboratory Study to Clinical Practice. Clin Interv Aging 2023; 18:495-503. [PMID: 37008802 PMCID: PMC10065017 DOI: 10.2147/cia.s394286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 03/16/2023] [Indexed: 03/29/2023] Open
Abstract
Frontotemporal lobar degeneration (FTLD) is a group of neurodegenerative diseases with heterogenous clinical, genetic, and pathological characteristics that show similar impairment of areas in the frontal and/or temporal lobes. Prime doctors' lack of awareness of this complex disease makes early identification and accurate intervention difficult. Autoimmune diseases and autoantibodies are manifestations of different levels of autoimmune reactions. This review presents research findings examining the relationship between autoimmunity and FTLD in terms of autoimmune diseases and autoantibodies with a focus on identifying potential diagnosis and treatment approaches. The findings indicate that the same or similar pathophysiological mechanisms may exist from clinical, genetic, and pathological perspectives. However, the existing evidence is not sufficient to extract substantial conclusions. On the basis of the current situation, we propose future research patterns using prospective studies on large populations and combined clinical and experimental research. Autoimmune reactions or, more generally, inflammatory reactions should receive increased attention from doctors and scientists of all disciplines.
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Affiliation(s)
- Yan Sun
- Department of Neurology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Lumi Zhang
- Department of Neurology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Ping Liu
- Department of Neurology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
| | - Guoping Peng
- Department of Neurology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China
- Correspondence: Guoping Peng, Department of Neurology, The First Affiliated Hospital, Zhejiang University School of Medicine, #79 Qingchun Road, Hangzhou, Zhejiang Province, 310003, People’s Republic of China, Tel +86 13588150613, Email
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