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Cohen J, Mathew A, Dourvetakis KD, Sanchez-Guerrero E, Pangeni RP, Gurusamy N, Aenlle KK, Ravindran G, Twahir A, Isler D, Sosa-Garcia SR, Llizo A, Bested AC, Theoharides TC, Klimas NG, Kempuraj D. Recent Research Trends in Neuroinflammatory and Neurodegenerative Disorders. Cells 2024; 13:511. [PMID: 38534355 DOI: 10.3390/cells13060511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2023] [Revised: 03/03/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024] Open
Abstract
Neuroinflammatory and neurodegenerative disorders including Alzheimer's disease (AD), Parkinson's disease (PD), traumatic brain injury (TBI) and Amyotrophic lateral sclerosis (ALS) are chronic major health disorders. The exact mechanism of the neuroimmune dysfunctions of these disease pathogeneses is currently not clearly understood. These disorders show dysregulated neuroimmune and inflammatory responses, including activation of neurons, glial cells, and neurovascular unit damage associated with excessive release of proinflammatory cytokines, chemokines, neurotoxic mediators, and infiltration of peripheral immune cells into the brain, as well as entry of inflammatory mediators through damaged neurovascular endothelial cells, blood-brain barrier and tight junction proteins. Activation of glial cells and immune cells leads to the release of many inflammatory and neurotoxic molecules that cause neuroinflammation and neurodegeneration. Gulf War Illness (GWI) and myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) are chronic disorders that are also associated with neuroimmune dysfunctions. Currently, there are no effective disease-modifying therapeutic options available for these diseases. Human induced pluripotent stem cell (iPSC)-derived neurons, astrocytes, microglia, endothelial cells and pericytes are currently used for many disease models for drug discovery. This review highlights certain recent trends in neuroinflammatory responses and iPSC-derived brain cell applications in neuroinflammatory disorders.
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Affiliation(s)
- Jessica Cohen
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Annette Mathew
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Kirk D Dourvetakis
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Estella Sanchez-Guerrero
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Rajendra P Pangeni
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Narasimman Gurusamy
- Department of Pharmaceutical Sciences, Barry and Judy Silverman College of Pharmacy, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Kristina K Aenlle
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
- Miami VA Geriatric Research Education and Clinical Center (GRECC), Miami Veterans Affairs Healthcare System, Miami, FL 33125, USA
| | - Geeta Ravindran
- Cell Therapy Institute, Dr. Kiran C. Patel College of Allopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Assma Twahir
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Dylan Isler
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Sara Rukmini Sosa-Garcia
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Axel Llizo
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Alison C Bested
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
| | - Theoharis C Theoharides
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
- Laboratory of Molecular Immunopharmacology and Drug Discovery, Department of Immunology, Tufts University School of Medicine, Boston, MA 02111, USA
| | - Nancy G Klimas
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
- Miami VA Geriatric Research Education and Clinical Center (GRECC), Miami Veterans Affairs Healthcare System, Miami, FL 33125, USA
| | - Duraisamy Kempuraj
- Institute for Neuro-Immune Medicine, Dr. Kiran C. Patel College of Osteopathic Medicine, Nova Southeastern University, Ft. Lauderdale, FL 33328, USA
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Nouraeinejad A. The bidirectional links between coronavirus disease 2019 and Alzheimer's disease. Int J Neurosci 2024:1-15. [PMID: 38451045 DOI: 10.1080/00207454.2024.2327403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 03/02/2024] [Indexed: 03/08/2024]
Abstract
Coronavirus disease 2019 (COVID-19) can be a critical disease, particularly in the elderly and those with comorbidities. Patients with Alzheimer's disease are more vulnerable to COVID-19 consequences. The latest results have indicated some common risk factors for both diseases. An understanding of the pathological link between COVID-19 and Alzheimer's disease will help develop timely strategies to treat both diseases. This review explores the bidirectional links between COVID-19 and Alzheimer's disease.
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Affiliation(s)
- Ali Nouraeinejad
- Faculty of Brain Sciences, Institute of Ophthalmology, University College London (UCL), London, United Kingdom
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Hopp SC, Rogers JG, Smith S, Campos G, Miller H, Barannikov S, Kuri EG, Wang H, Han X, Bieniek KF, Weintraub ST, Palavicini JP. Multi-omics analyses reveal novel effects of PLCγ2 deficiency in the mouse brain. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.06.570499. [PMID: 38106102 PMCID: PMC10723468 DOI: 10.1101/2023.12.06.570499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Phospholipase C gamma-2 (PLCγ2) catalyzes the hydrolysis of the membrane phosphatidylinositol-4,5-bisphosphate (PIP2) to form diacylglycerol (DAG) and inositol trisphosphate (IP3), which subsequently feed into numerous downstream signaling pathways. PLCG2 polymorphisms are associated with both reduced and increased risk of Alzheimer's disease (AD) and with longevity. In the brain, PLCG2 is highly expressed in microglia, where it is proposed to regulate phagocytosis, secretion of cytokines/chemokines, cell survival and proliferation. We analyzed the brains of three-month-old PLCγ2 knockout (KO), heterozygous (HET), and wild-type (WT) mice using multiomics approaches, including shotgun lipidomics, proteomics, and gene expression profiling, and immunofluorescence. Lipidomic analyses revealed sex-specific losses of total cerebrum PIP2 and decreasing trends of DAG content in KOs. In addition, PLCγ2 depletion led to significant losses of myelin-specific lipids and decreasing trends of myelin-enriched lipids. Consistent with our lipidomics results, RNA profiling revealed sex-specific changes in the expression levels of several myelin-related genes. Further, consistent with the available literature, gene expression profiling revealed subtle changes on microglia phenotype in mature adult KOs under baseline conditions, suggestive of reduced microglia reactivity. Immunohistochemistry confirmed subtle differences in density of microglia and oligodendrocytes in KOs. Exploratory proteomic pathway analyses revealed changes in KO and HET females compared to WTs, with over-abundant proteins pointing to mTOR signaling, and under-abundant proteins to oligodendrocytes. Overall, our data indicate that loss of PLCγ2 has subtle effects on brain homeostasis that may underlie enhanced vulnerability to AD pathology and aging via novel mechanisms in addition to regulation of microglia function.
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Affiliation(s)
- Sarah C. Hopp
- Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases, University of Texas Health Science Center San Antonio
- Department of Pharmacology, University of Texas Health Science Center San Antonio
| | - Juliet Garcia Rogers
- Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases, University of Texas Health Science Center San Antonio
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
| | - Sabrina Smith
- Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases, University of Texas Health Science Center San Antonio
- Department of Pharmacology, University of Texas Health Science Center San Antonio
| | - Gabriela Campos
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
- Costa Rica Institute of Technology (TEC)
| | - Henry Miller
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
| | - Savannah Barannikov
- Department of Pathology and Laboratory Science, University of Texas Health Science Center San Antonio
| | | | - Hu Wang
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
| | - Xianlin Han
- Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases, University of Texas Health Science Center San Antonio
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
- Department of Medicine, University of Texas Health Science Center San Antonio
| | - Kevin F. Bieniek
- Glenn Biggs Institute for Alzheimer’s and Neurodegenerative Diseases, University of Texas Health Science Center San Antonio
- Department of Pathology and Laboratory Science, University of Texas Health Science Center San Antonio
| | - Susan T. Weintraub
- Department of Biochemistry & Structural Biology, University of Texas Health Science Center San Antonio
| | - Juan Pablo Palavicini
- Sam and Ann Barshop Institute for Longevity and Aging Studies, University of Texas Health Science Center San Antonio
- Department of Medicine, University of Texas Health Science Center San Antonio
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Amadoro G, Latina V, Stigliano E, Micera A. COVID-19 and Alzheimer's Disease Share Common Neurological and Ophthalmological Manifestations: A Bidirectional Risk in the Post-Pandemic Future. Cells 2023; 12:2601. [PMID: 37998336 PMCID: PMC10670749 DOI: 10.3390/cells12222601] [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: 10/04/2023] [Revised: 11/07/2023] [Accepted: 11/08/2023] [Indexed: 11/25/2023] Open
Abstract
A growing body of evidence indicates that a neuropathological cross-talk takes place between the coronavirus disease 2019 (COVID-19) -the pandemic severe pneumonia that has had a tremendous impact on the global economy and health since three years after its outbreak in December 2019- and Alzheimer's Disease (AD), the leading cause of dementia among human beings, reaching 139 million by the year 2050. Even though COVID-19 is a primary respiratory disease, its causative agent, the so-called Severe Acute Respiratory Syndrome coronavirus 2 (SARS-CoV-2), is also endowed with high neuro-invasive potential (Neurocovid). The neurological complications of COVID-19, resulting from the direct viral entry into the Central Nervous System (CNS) and/or indirect systemic inflammation and dysregulated activation of immune response, encompass memory decline and anosmia which are typically associated with AD symptomatology. In addition, patients diagnosed with AD are more vulnerable to SARS-CoV-2 infection and are inclined to more severe clinical outcomes. In the present review, we better elucidate the intimate connection between COVID-19 and AD by summarizing the involved risk factors/targets and the underlying biological mechanisms shared by these two disorders with a particular focus on the Angiotensin-Converting Enzyme 2 (ACE2) receptor, APOlipoprotein E (APOE), aging, neuroinflammation and cellular pathways associated with the Amyloid Precursor Protein (APP)/Amyloid beta (Aβ) and tau neuropathologies. Finally, the involvement of ophthalmological manifestations, including vitreo-retinal abnormalities and visual deficits, in both COVID-19 and AD are also discussed. Understanding the common physiopathological aspects linking COVID-19 and AD will pave the way to novel management and diagnostic/therapeutic approaches to cope with them in the post-pandemic future.
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Affiliation(s)
- Giuseppina Amadoro
- Institute of Translational Pharmacology (IFT), National Research Council (CNR), Via Fosso del Cavaliere 100, 00133 Rome, Italy;
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy
| | - Valentina Latina
- Institute of Translational Pharmacology (IFT), National Research Council (CNR), Via Fosso del Cavaliere 100, 00133 Rome, Italy;
- European Brain Research Institute (EBRI), Viale Regina Elena 295, 00161 Rome, Italy
| | - Egidio Stigliano
- Area of Pathology, Department of Woman and Child Health and Public Health, Fondazione Policlinico Universitario A. Gemelli IRCCS, Istituto di Anatomia Patologica, Università Cattolica del Sacro Cuore, Largo Francesco Vito 1, 00168 Rome, Italy;
| | - Alessandra Micera
- Research and Development Laboratory for Biochemical, Molecular and Cellular Applications in Ophthalmological Sciences, IRCCS-Fondazione Bietti, Via Santo Stefano Rotondo, 6, 00184 Rome, Italy
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Ng TKS, Dal Bello-Haas V, Negm A, Philippou E, Santos FH, Heyn PC. Editorial: Post-Acute Sequelae of COVID-19 infection (PASC): Implications for geriatric and neurological care. Front Aging Neurosci 2023; 15:1168720. [PMID: 36949773 PMCID: PMC10025520 DOI: 10.3389/fnagi.2023.1168720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 02/22/2023] [Indexed: 03/08/2023] Open
Affiliation(s)
- Ted Kheng Siang Ng
- Edson College of Nursing and Health Education, Phoenix, AZ, United States
- *Correspondence: Ted Kheng Siang Ng
| | | | - Ahmed Negm
- School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada
- Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
| | - Elena Philippou
- Department of Life Sciences, School of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
- Department of Nutritional Sciences, King's College London, London, United Kingdom
| | - Flávia H. Santos
- School of Psychology, UCD Centre for Disability Studies, University College Dublin, Dublin, Ireland
| | - Patricia C. Heyn
- Center for Optimal Aging, Marymount University, Arlington, VA, United States
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Zhang X, Wu P, Zhao Y. COVID-19 in Relation to Alzheimer's Disease: Mendelian Randomization Analyses Add to Multiple Lines of Evidence. J Alzheimers Dis 2023; 96:1721-1722. [PMID: 38007667 DOI: 10.3233/jad-231151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2023]
Abstract
The potential link between COVID-19 and Alzheimer's disease (AD) has been an intriguing topic in the global pandemic. Whether the susceptibility and severity of COVID-19 affects the onset and progression of AD is of great concern. Clinical studies suggested an increased risk of AD occurrence or cognitive deficit after COVID-19. Basic research found that severe COVID-19 induced changes resembling AD. Evidence synthesis should always take into account diverse study designs, both traditional and novel. The recent study by Ding et al. aimed to investigate the association of COVID-19 with AD using a non-overlapping two-sample Mendelian randomization analysis.
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Affiliation(s)
- Xinghao Zhang
- Xiangya School of Medicine, Third Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Pengfei Wu
- Center for Medical Genetics, School of Life Sciences, Central South University, Changsha, Hunan, China
| | - Yue Zhao
- Division of Biomedical Informatics & Genomics, School of Medicine, Tulane University, New Orleans, LA, USA
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