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Raja HA, Nashwan AJ. Predictors of prognosis in Alzheimer’s disease: The role of cognitive dysfunction, immune abnormalities, and advanced neuroimaging. World J Clin Cases 2024; 12:6004-6006. [DOI: 10.12998/wjcc.v12.i27.6004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 05/18/2024] [Accepted: 06/14/2024] [Indexed: 07/29/2024] Open
Abstract
Alzheimer’s disease (AD) is a grave illness that results in cognitive and social issues. A recent study examined the association between neuroimaging results, cognitive dysfunction, atypical cellular immune function, and poor prognostic factors in AD patients who demonstrated poor prognosis. Poor prognosis was associated with abnormal cellular immune function, extrapyramidal symptoms, altered consciousness, abnormal electroencephalogram, modified Rankin scale, increased neutrophil lymphocyte ratio, and severe pneumonia. The impaired cellular immune function characterized by a reduction in the blood T lymphocytes’ proportion predicted poor prognosis as an independent risk factor in AD. Early initiation and maintenance of AD medications is associated with better outcomes.
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Bai H, Zeng HM, Zhang QF, Hu YZ, Deng FF. Correlative factors of poor prognosis and abnormal cellular immune function in patients with Alzheimer's disease. World J Clin Cases 2024; 12:1063-1075. [PMID: 38464932 PMCID: PMC10921302 DOI: 10.12998/wjcc.v12.i6.1063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/21/2023] [Accepted: 01/29/2024] [Indexed: 02/20/2024] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a serious disease causing human dementia and social problems. The quality of life and prognosis of AD patients have attracted much attention. The role of chronic immune inflammation in the pathogenesis of AD is becoming more and more important. AIM To study the relationship among cognitive dysfunction, abnormal cellular immune function, neuroimaging results and poor prognostic factors in patients. METHODS A retrospective analysis of 62 hospitalized patients clinical diagnosed with AD who were admitted to our hospital from November 2015 to November 2020. Collect cognitive dysfunction performance characteristics, laboratory test data and neuroimaging data from medical records within 24 h of admission, including Mini Mental State Examination Scale score, drawing clock test, blood T lymphocyte subsets, and neutrophils and lymphocyte ratio (NLR), disturbance of consciousness, extrapyramidal symptoms, electroencephalogram (EEG) and head nucleus magnetic spectroscopy (MRS) and other data. Multivariate logistic regression analysis was used to determine independent prognostic factors. the modified Rankin scale (mRS) was used to determine whether the prognosis was good. The correlation between drug treatment and prognostic mRS score was tested by the rank sum test. RESULTS Univariate analysis showed that abnormal cellular immune function, extrapyramidal symptoms, obvious disturbance of consciousness, abnormal EEG, increased NLR, abnormal MRS, and complicated pneumonia were related to the poor prognosis of AD patients. Multivariate logistic regression analysis showed that the decrease in the proportion of T lymphocytes in the blood after abnormal cellular immune function (odd ratio: 2.078, 95% confidence interval: 1.156-3.986, P < 0.05) was an independent risk factor for predicting the poor prognosis of AD. The number of days of donepezil treatment to improve cognitive function was negatively correlated with mRS score (r = 0.578, P < 0.05). CONCLUSION The decrease in the proportion of T lymphocytes may have predictive value for the poor prognosis of AD. It is recommended that the proportion of T lymphocytes < 55% is used as the cut-off threshold for predicting the poor prognosis of AD. The early and continuous drug treatment is associated with a good prognosis.
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Affiliation(s)
- Hua Bai
- Department of Neurology, The Third Affiliated Hospital of Guizhou Medical University in China, Duyun 558099, Guizhou Province, China
| | - Hong-Mei Zeng
- Department of Neurology, Guizhou Medical University, Duyun 558099, Guizhou Province, China
| | - Qi-Fang Zhang
- Key Laboratory of Medical Molecular Biology, Guizhou Medical University, Guiyang 550004, Guizhou Province, China
| | - Yue-Zhi Hu
- Department of Neurology, Guizhou Medical University, Duyun 558099, Guizhou Province, China
| | - Fei-Fei Deng
- Department of Neurology, Guizhou Medical University, Duyun 558099, Guizhou Province, China
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López-Ornelas A, Jiménez A, Pérez-Sánchez G, Rodríguez-Pérez CE, Corzo-Cruz A, Velasco I, Estudillo E. The Impairment of Blood-Brain Barrier in Alzheimer's Disease: Challenges and Opportunities with Stem Cells. Int J Mol Sci 2022; 23:ijms231710136. [PMID: 36077533 PMCID: PMC9456198 DOI: 10.3390/ijms231710136] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/28/2022] [Accepted: 09/01/2022] [Indexed: 11/17/2022] Open
Abstract
Alzheimer’s disease (AD) is the most common neurodegenerative disorder and its prevalence is increasing. Nowadays, very few drugs effectively reduce AD symptoms and thus, a better understanding of its pathophysiology is vital to design new effective schemes. Presymptomatic neuronal damage caused by the accumulation of Amyloid β peptide and Tau protein abnormalities remains a challenge, despite recent efforts in drug development. Importantly, therapeutic targets, biomarkers, and diagnostic techniques have emerged to detect and treat AD. Of note, the compromised blood-brain barrier (BBB) and peripheral inflammation in AD are becoming more evident, being harmful factors that contribute to the development of the disease. Perspectives from different pre-clinical and clinical studies link peripheral inflammation with the onset and progression of AD. This review aims to analyze the main factors and the contribution of impaired BBB in AD development. Additionally, we describe the potential therapeutic strategies using stem cells for AD treatment.
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Affiliation(s)
- Adolfo López-Ornelas
- División de Investigación, Hospital Juárez de México, Mexico City 07760, Mexico
- Hospital Nacional Homeopático, Hospitales Federales de Referencia, Mexico City 06800, Mexico
| | - Adriana Jiménez
- División de Investigación, Hospital Juárez de México, Mexico City 07760, Mexico
| | - Gilberto Pérez-Sánchez
- Laboratorio de Psicoinmunología, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calzada México-Xochimilco 101, Colonia San Lorenzo Huipulco, Tlalpan, Ciudad de México 14370, Mexico
| | - Citlali Ekaterina Rodríguez-Pérez
- Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - Alejandro Corzo-Cruz
- Laboratorio Traslacional, Escuela Militar de Graduados de Sanidad, Secretaría de la Defensa Nacional, Batalla de Celaya 202, Lomas de Sotelo, Miguel Hidalgo, Ciudad de México 11200, Mexico
| | - Iván Velasco
- Instituto de Fisiología Celular—Neurociencias, Universidad Nacional Autónoma de Mexico, Mexico City 04510, Mexico
- Laboratorio de Reprogramación Celular, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
| | - Enrique Estudillo
- Laboratorio de Reprogramación Celular, Instituto Nacional de Neurología y Neurocirugía Manuel Velasco Suárez, Mexico City 14269, Mexico
- Correspondence:
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Zhu J, Li L, Ding J, Huang J, Shao A, Tang B. The Role of Formyl Peptide Receptors in Neurological Diseases via Regulating Inflammation. Front Cell Neurosci 2021; 15:753832. [PMID: 34650406 PMCID: PMC8510628 DOI: 10.3389/fncel.2021.753832] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/02/2021] [Indexed: 01/02/2023] Open
Abstract
Formyl peptide receptors (FPRs) are a group of G protein-coupled cell surface receptors that play important roles in host defense and inflammation. Owing to the ubiquitous expression of FPRs throughout different cell types and since they interact with structurally diverse chemotactic agonists, they have a dual function in inflammatory processes, depending on binding with different ligands so that accelerate or inhibit key intracellular kinase-based regulatory pathways. Neuroinflammation is closely associated with the pathogenesis of neurodegenerative diseases, neurogenic tumors and cerebrovascular diseases. From recent studies, it is clear that FPRs are important biomarkers for neurological diseases as they regulate inflammatory responses by monitoring glial activation, accelerating neural differentiation, regulating angiogenesis, and controlling blood brain barrier (BBB) permeability, thereby affecting neurological disease progression. Given the complex mechanisms of neurological diseases and the difficulty of healing, we are eager to find new and effective therapeutic targets. Here, we review recent research about various mechanisms of the effects generated after FPR binding to different ligands, role of FPRs in neuroinflammation as well as the development and prognosis of neurological diseases. We summarize that the FPR family has dual inflammatory functional properties in central nervous system. Emphasizing that FPR2 acts as a key molecule that mediates the active resolution of inflammation, which binds with corresponding receptors to reduce the expression and activation of pro-inflammatory composition, govern the transport of immune cells to inflammatory tissues, and restore the integrity of the BBB. Concurrently, FPR1 is essentially related to angiogenesis, cell proliferation and neurogenesis. Thus, treatment with FPRs-modulation may be effective for neurological diseases.
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Affiliation(s)
- Jiahui Zhu
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lingfei Li
- Department of Neurology, The Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jiao Ding
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jinyu Huang
- Department of Cardiology, The Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Anwen Shao
- Department of Neurosurgery, The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Bo Tang
- Department of Neurology, The Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Sinyor B, Isaacson R, Ochner C. Preventative medicine and Alzheimer's disease: is Alzheimer's disease risk reduction achievable? Neural Regen Res 2021; 16:1772-1773. [PMID: 33510071 PMCID: PMC8328765 DOI: 10.4103/1673-5374.306086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 11/21/2020] [Accepted: 12/22/2020] [Indexed: 12/05/2022] Open
Affiliation(s)
| | - Richard Isaacson
- Weil Cornell Medicine, New York Presbyterian Hospital, New York, NY, USA
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Wickstead ES, Irving MA, Getting SJ, McArthur S. Exploiting formyl peptide receptor 2 to promote microglial resolution: a new approach to Alzheimer's disease treatment. FEBS J 2021; 289:1801-1822. [PMID: 33811735 DOI: 10.1111/febs.15861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/09/2021] [Accepted: 03/29/2021] [Indexed: 12/16/2022]
Abstract
Alzheimer's disease and dementia are among the most significant current healthcare challenges given the rapidly growing elderly population, and the almost total lack of effective therapeutic interventions. Alzheimer's disease pathology has long been considered in terms of accumulation of amyloid beta and hyperphosphorylated tau, but the importance of neuroinflammation in driving disease has taken greater precedence over the last 15-20 years. Inflammatory activation of the primary brain immune cells, the microglia, has been implicated in Alzheimer's pathogenesis through genetic, preclinical, imaging and postmortem human studies, and strategies to regulate microglial activity may hold great promise for disease modification. Neuroinflammation is necessary for defence of the brain against pathogen invasion or damage but is normally self-limiting due to the engagement of endogenous pro-resolving circuitry that terminates inflammatory activity, a process that appears to fail in Alzheimer's disease. Here, we discuss the potential for a major regulator and promoter of resolution, the receptor FPR2, to restrain pro-inflammatory microglial activity, and propose that it may serve as a valuable target for therapeutic investigation in Alzheimer's disease.
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Affiliation(s)
| | - Murray A Irving
- Institute of Dentistry, Barts and the London School of Medicine & Dentistry, Blizard Institute, Queen Mary, University of London, UK
| | - Stephen J Getting
- College of Liberal Arts & Sciences, School of Life Sciences, University of Westminster, London, UK
| | - Simon McArthur
- Institute of Dentistry, Barts and the London School of Medicine & Dentistry, Blizard Institute, Queen Mary, University of London, UK
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Dua N, Fyrenius M, Johnson DL, Moos WH. Are in-person scientific conferences dead or alive? FASEB Bioadv 2021; 3:420-427. [PMID: 34124597 PMCID: PMC8171307 DOI: 10.1096/fba.2020-00139] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/24/2021] [Accepted: 01/29/2021] [Indexed: 12/02/2022] Open
Abstract
Given the disruption caused by the COVID‐19 pandemic, life as we knew it has been turned upside down, but the need for science to go on has never been stronger. In the realm of scientific conferences, with the requirement for social distancing, the importance of wearing face coverings, and travel restrictions, only virtual meetings have been possible during the pandemic. But many are asking: What is the new post‐pandemic normal likely to be? Do we still want to have in‐person meetings when the restrictions are eased? Assuming we do, when will they be possible again, and under what conditions? Regardless of what the benefits of virtual symposia might be, are they here to stay? These questions, and many more that are being asked around the world today, are the subject of this perspective. Herein, we attempt to provide useful context and insight into where scientific meetings have been, where they are today, where they are going, and how they will get there. Our conclusion is that the pandemic has created an accelerated opportunity to make the world of future scientific conferences better in a “both/and” collaborative in‐person/virtual scenario, not the more limited “pick one” choice.
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Affiliation(s)
- Nick Dua
- Keystone Symposia Silverthorne CO USA
| | | | - Deborah L Johnson
- Keystone Symposia Silverthorne CO USA.,Baylor College of Medicine Houston TX USA
| | - Walter H Moos
- University of California San Francisco San Francisco CA USA.,Pandect Bioventures South San Francisco CA USA
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The search for novel targets in Alzheimer's disease-The 90s redux. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2020; 177:123-135. [PMID: 33453938 DOI: 10.1016/bs.pmbts.2020.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease (AD) is a complex disease of the brain. Despite over 100 years of basic and clinical research, significantly intensified in the last three decades, the exact cause of this neurodegeneration is still an enigma. Based on neuroanatomical, experimental, and clinical findings, a series of hypotheses on AD pathogenesis have evolved. Among them, the "amyloid cascade hypothesis" has been most prominent. Clinical efforts targeting the biochemistry of amyloid β-protein (Aβ) as causal therapy have all failed so far, which may mean that the pathogenic mechanism of AD is less straightforward than initially thought. While there was good scientific reason to support this hypothesis before, the exclusive concentration on it may have impeded a more objective look and prevented the pursuit of alternative approaches to decipher the cause of AD. Here, a few key hypotheses of AD are summarized, and it is proposed that our view of the cause (or causes) of this detrimental disease be widened. This includes looking back, reactivating, and revisiting findings that were ignored over the last decades. Alternative and amyloid-independent ways to explain AD pathogenesis should receive more attention and are appearing.
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