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Martinelli I, Mandrioli J, Ghezzi A, Zucchi E, Gianferrari G, Simonini C, Cavallieri F, Valzania F. Multifaceted superoxide dismutase 1 expression in amyotrophic lateral sclerosis patients: a rare occurrence? Neural Regen Res 2025; 20:130-138. [PMID: 38767482 PMCID: PMC11246149 DOI: 10.4103/nrr.nrr-d-23-01904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 02/26/2024] [Indexed: 05/22/2024] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neuromuscular condition resulting from the progressive degeneration of motor neurons in the cortex, brainstem, and spinal cord. While the typical clinical phenotype of ALS involves both upper and lower motor neurons, human and animal studies over the years have highlighted the potential spread to other motor and non-motor regions, expanding the phenotype of ALS. Although superoxide dismutase 1 (SOD1) mutations represent a minority of ALS cases, the SOD1 gene remains a milestone in ALS research as it represents the first genetic target for personalized therapies. Despite numerous single case reports or case series exhibiting extramotor symptoms in patients with ALS mutations in SOD1 (SOD1-ALS), no studies have comprehensively explored the full spectrum of extramotor neurological manifestations in this subpopulation. In this narrative review, we analyze and discuss the available literature on extrapyramidal and non-motor features during SOD1-ALS. The multifaceted expression of SOD1 could deepen our understanding of the pathogenic mechanisms, pointing towards a multidisciplinary approach for affected patients in light of new therapeutic strategies for SOD1-ALS.
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Affiliation(s)
- Ilaria Martinelli
- Department of Neurosciences, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
- Clinical and Experimental Medicine Ph.D. Program, University of Modena and Reggio Emilia, Modena, Italy
| | - Jessica Mandrioli
- Department of Neurosciences, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Andrea Ghezzi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Elisabetta Zucchi
- Department of Neurosciences, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
| | - Giulia Gianferrari
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Cecilia Simonini
- Department of Neurosciences, Azienda Ospedaliero Universitaria di Modena, Modena, Italy
| | - Francesco Cavallieri
- Neurology Unit, Neuromotor & Rehabilitation Department, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Franco Valzania
- Neurology Unit, Neuromotor & Rehabilitation Department, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
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Bjelica B, Bartels MB, Hesebeck-Brinckmann J, Petri S. Non-motor symptoms in patients with amyotrophic lateral sclerosis: current state and future directions. J Neurol 2024; 271:3953-3977. [PMID: 38805053 PMCID: PMC11233299 DOI: 10.1007/s00415-024-12455-5] [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: 04/17/2024] [Revised: 05/14/2024] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease characterized by the progressive degeneration of both upper and lower motor neurons. A defining histopathological feature in approximately 97% of all ALS cases is the accumulation of phosphorylated trans-activation response (TAR) DNA-binding protein 43 protein (pTDP-43) aggregates in the cytoplasm of neurons and glial cells within the central nervous system. Traditionally, it was believed that the accumulation of TDP-43 aggregates and subsequent neurodegeneration primarily occurs in motor neurons. However, contemporary evidence suggests that as the disease progresses, other systems and brain regions are also affected. Despite this, there has been a limited number of clinical studies assessing the non-motor symptoms in ALS patients. These studies often employ various outcome measures, resulting in a wide range of reported frequencies of non-motor symptoms in ALS patients. The importance of assessing the non-motor symptoms reflects in a fact that they have a significant impact on patients' quality of life, yet they frequently go underdiagnosed and unreported during clinical evaluations. This review aims to provide an up-to-date overview of the current knowledge concerning non-motor symptoms in ALS. Furthermore, we address their diagnosis and treatment in everyday clinical practice.
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Affiliation(s)
- Bogdan Bjelica
- Department of Neurology, Hannover Medical School, 1, Carl-Neuberg-Strasse, 30625, Hannover, Germany.
| | - Maj-Britt Bartels
- Precision Neurology of Neuromuscular and Motoneuron Diseases, University of Luebeck, Lübeck, Germany
| | - Jasper Hesebeck-Brinckmann
- Neurology Department, Division for Neurodegenerative Diseases, University Medicine Mannheim, Heidelberg University, Mannheim Center for Translational Medicine, Mannheim, Germany
| | - Susanne Petri
- Department of Neurology, Hannover Medical School, 1, Carl-Neuberg-Strasse, 30625, Hannover, Germany
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Chen X, Luo J, Zheng W, Huang Q, Du C, Yuan H, Xiao F. Hyperhidrosis as the initial symptom in FUS mutation-associated amyotrophic lateral sclerosis: a case report and comprehensive literature review. Neurol Sci 2024; 45:1523-1527. [PMID: 37904013 DOI: 10.1007/s10072-023-07141-9] [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] [Received: 08/29/2023] [Accepted: 10/02/2023] [Indexed: 11/01/2023]
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease that is now recognized to involve autonomic dysfunction. The burden of autonomic dysfunction is an important factor in the quality of life and prognosis of ALS patients. This article presents the clinical characteristics of a young female ALS patient with a fused in sarcoma (FUS) gene mutation and notable hyperhidrosis. METHOD Detailed clinical characteristics of the patients were collected, and comprehensive examinations such as electrophysiological assessment, neuro-ultrasound, genetic testing, and relevant blood tests were conducted. RESULT A 24-year-old female experienced progressive weakness in both lower limbs for over 5 months, along with excessive sweating on both palms and feet. A positive skin iodine-starch test was observed. Electromyography revealed extensive neurogenic damage and prolonged sympathetic skin response (SSR) latency in both lower limbs. Full exon gene sequencing showed a heterozygous mutation c.1574C>T (p.Pro525Leu) in the FUS gene. CONCLUSION The pathogenesis of ALS remains unclear at present. This case underscores the presence of autonomic nervous symptoms in ALS associated with FUS mutation and highlights the importance of early diagnosis and timely treatment intervention to enhance patient prognosis.
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Affiliation(s)
- Xuan Chen
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Jing Luo
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
| | - Wei Zheng
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Qinlian Huang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Chao Du
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Huan Yuan
- Department of Neurosurgery, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China
| | - Fei Xiao
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, No.1 Youyi Road, Yuanjiagang, Yuzhong District, Chongqing, 400016, China.
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Smith R, Hovren H, Bowser R, Bakkar N, Garruto R, Ludolph A, Ravits J, Gaertner L, Murphy D, Lebovitz R. Misfolded alpha-synuclein in amyotrophic lateral sclerosis: Implications for diagnosis and treatment. Eur J Neurol 2024; 31:e16206. [PMID: 38270442 PMCID: PMC11235862 DOI: 10.1111/ene.16206] [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] [Received: 06/16/2023] [Revised: 11/30/2023] [Accepted: 12/28/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND Alpha-synuclein (α-Syn) oligomers and fibrils have been shown to augment the aggregation of TAR DNA-binding Protein 43 (TDP-43) monomers in vitro, supporting the idea that TDP-43 proteinopathies such as ALS may be modulated by the presence of toxic forms of α-Syn. Recently, parkinsonian features were reported in a study of European patients and Lewy bodies have been demonstrated pathologically in a similar series of patients. Based on these and other considerations, we sought to determine whether seed-competent α-Syn can be identified in spinal fluid of patients with ALS including familial, sporadic, and Guamanian forms of the disease. METHODS Based on the finding that α-Syn has been found to be a prion-like protein, we have utilized a validated α-Synuclein seed amplification assay to determine if seed-competent α-Syn could be detected in the spinal fluid of patients with ALS. RESULTS Toxic species of α-Syn were detected in CSF in 18 of 127 ALS patients, 5 of whom were from Guam. Two out of twenty six samples from patients with C9orf72 variant ALS had positive seed-amplification assays (SAAs). No positive tests were noted in superoxide dismutase type 1 ALS subjects (n = 14). The SAA was negative in 31 control subjects. CONCLUSIONS Our findings suggest that a sub-group of ALS occurs in which self-replicating α-Syn is detectable and likely contributes to its pathogenesis. This finding may have implications for the diagnosis and treatment of this disorder.
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Affiliation(s)
| | - Hanna Hovren
- Amprion Clinical LaboratorySan DiegoCaliforniaUSA
| | | | | | | | | | - John Ravits
- University of California, San DiegoLa JollaCaliforniaUSA
| | - Lia Gaertner
- Bay Area Lyme Disease FoundationPortola ValleyCaliforniaUSA
| | - Davan Murphy
- Center for Neurologic StudyLa JollaCaliforniaUSA
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Oprisan AL, Popescu BO. Dysautonomia in Amyotrophic Lateral Sclerosis. Int J Mol Sci 2023; 24:14927. [PMID: 37834374 PMCID: PMC10573406 DOI: 10.3390/ijms241914927] [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] [Received: 07/10/2023] [Revised: 09/30/2023] [Accepted: 10/02/2023] [Indexed: 10/15/2023] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease, characterized in its typical presentation by a combination of lower and upper motor neuron symptoms, with a progressive course and fatal outcome. Due to increased recognition of the non-motor symptoms, it is currently considered a multisystem disorder with great heterogeneity, regarding genetical, clinical, and neuropathological features. Often underestimated, autonomic signs and symptoms have been described in patients with ALS, and various method analyses have been used to assess autonomic nervous system involvement. The aim of this paper is to offer a narrative literature review on autonomic disturbances in ALS, based on the scarce data available to date.
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Affiliation(s)
- Alexandra L Oprisan
- Department of Clinical Neurosciences, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania
| | - Bogdan Ovidiu Popescu
- Department of Clinical Neurosciences, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania
- Department of Neurology, Colentina Clinical Hospital, 020125 Bucharest, Romania
- Laboratory of Cell Biology, Neurosciences and Experimental Neurology, Victor Babes National Institute of Pathology, 050096 Bucharest, Romania
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Chang C, Zhao Q, Liu P, Yuan Y, Liu Z, Hu Y, Li W, Hou X, Tang X, Jiao B, Guo J, Shen L, Jiang H, Tang B, Zhang X, Wang J. ALS-plus related clinical and genetic study from China. Neurol Sci 2023; 44:3557-3566. [PMID: 37204564 DOI: 10.1007/s10072-023-06843-4] [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] [Received: 02/19/2023] [Accepted: 05/07/2023] [Indexed: 05/20/2023]
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder. An increasing number of researchers have found extra motor features in ALS, which are also called ALS-plus syndromes. Besides, a great majority of ALS patients also have cognitive impairment. However, clinical surveys of the frequency and genetic background of ALS-plus syndromes are rare, especially in China. METHODS We investigated a large cohort of 1015 patients with ALS, classifying them into six groups according to different extramotor symptoms and documenting their clinical manifestations. Meanwhile, based on their cognitive function, we divided these patients into two groups and compared demographic characteristics. Genetic screening for rare damage variants (RDVs) was also performed on 847 patients. RESULTS As a result, 16.75% of patients were identified with ALS-plus syndrome, and 49.5% of patients suffered cognitive impairment. ALS-plus group had lower ALSFRS-R scores, longer diagnostic delay time, and longer survival times, compared to ALS pure group. RDVs occurred less frequently in ALS-plus patients than in ALS-pure patients (P = 0.042) but showed no difference between ALS-cognitive impairment patients and ALS-cognitive normal patients. Besides, ALS-cognitive impairment group tends to harbour more ALS-plus symptoms than ALS-cognitive normal group (P = 0.001). CONCLUSION In summary, ALS-plus patients in China are not rare and show multiple differences from ALS-pure patients in clinical and genetic features. Besides, ALS-cognitive impairment group tends to harbour more ALS-plus syndrome than ALS-cognitive normal group. Our observations correspond with the theory that ALS involves several diseases with different mechanisms and provide clinical validation.
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Affiliation(s)
- Cheng Chang
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Health Management Center, Xiangya Hospital, Central South University, Changsha, People's Republic of China
- Department of Neurology, Qilu Hospital of Shandong University, Jinan, People's Republic of China
| | - Qianqian Zhao
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Pan Liu
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Yanchun Yuan
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Zhen Liu
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Yiting Hu
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Wanzhen Li
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Xiaorong Hou
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Xuxiong Tang
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
| | - Bin Jiao
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, 410008, People's Republic of China
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Jifeng Guo
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, 410008, People's Republic of China
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Lu Shen
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, 410008, People's Republic of China
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Hong Jiang
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
- School of Basic Medical Science, Central South University, Changsha, Hunan, People's Republic of China
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, 410008, People's Republic of China
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China
| | - Xuewei Zhang
- Health Management Center, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Junling Wang
- Department of Neurology, Xiangya Hospital, Central South University, 87 Xiangya Rd, Changsha, Hunan, People's Republic of China.
- Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan, 410008, People's Republic of China.
- Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, People's Republic of China.
- Engineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, China.
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, People's Republic of China.
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Abstract
The scientific landscape surrounding amyotrophic lateral sclerosis has shifted immensely with a number of well-defined ALS disease-causing genes, each with related phenotypical and cellular motor neuron processes that have come to light. Yet in spite of decades of research and clinical investigation, there is still no etiology for sporadic amyotrophic lateral sclerosis, and treatment options even for those with well-defined familial syndromes are still limited. This chapter provides a comprehensive review of the genetic basis of amyotrophic lateral sclerosis, highlighting factors that contribute to its heritability and phenotypic manifestations, and an overview of past, present, and upcoming therapeutic strategies.
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Affiliation(s)
- David S Younger
- Department of Clinical Medicine and Neuroscience, CUNY School of Medicine, New York, NY, United States; Department of Medicine, Section of Internal Medicine and Neurology, White Plains Hospital, White Plains, NY, United States.
| | - Robert H Brown
- Department of Neurology, UMass Chan Medical School, Donna M. and Robert J. Manning Chair in Neurosciences and Director in Neurotherapeutics, Worcester, MA, United States
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Sensory Involvement in Amyotrophic Lateral Sclerosis. Int J Mol Sci 2022; 23:ijms232415521. [PMID: 36555161 PMCID: PMC9779879 DOI: 10.3390/ijms232415521] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 11/19/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022] Open
Abstract
Although amyotrophic lateral sclerosis (ALS) is pre-eminently a motor disease, the existence of non-motor manifestations, including sensory involvement, has been described in the last few years. Although from a clinical perspective, sensory symptoms are overshadowed by their motor manifestations, this does not mean that their pathological significance is not relevant. In this review, we have made an extensive description of the involvement of sensory and autonomic systems described to date in ALS, from clinical, neurophysiological, neuroimaging, neuropathological, functional, and molecular perspectives.
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He P, He B, Li S, Chai W, Rao W, Zhu Y, Chen W, Zhang P, Zhang X, Pan H, Xu R. Distribution Features and Potential Effects of Serotonin in the Cerebrum of SOD1 G93A Transgenic Mice. eNeuro 2022; 9:ENEURO.0001-22.2022. [PMID: 36265904 PMCID: PMC9651208 DOI: 10.1523/eneuro.0001-22.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 09/23/2022] [Accepted: 10/16/2022] [Indexed: 12/24/2022] Open
Abstract
Serotonin (5-HT) participates in the pathogenesis of amyotrophic lateral sclerosis (ALS), but its effects have not been completely clarified. Therefore, we observed the distribution features and potential effects of 5-HT in the cerebrum of G93A SOD1 transgenic (TG) and wild-type (WT) mice by fluorescence immunohistochemistry, Western blotting, ELISA, as well as motor function measurements. Both 5-HT and tryptophan hydroxylase-2 (TPH2) were mainly present in the limbic systems of the cerebrum, such as the glomerular layer of the olfactory bulb, nucleus accumbens, cingulate, fimbria of the hippocampus, mediodorsal thalamic nucleus, habenular nucleus, ventromedial hypothalamus nucleus, lateral hypothalamus area, dorsal raphe nucleus, and piriform cortex. TPH2 and 5-HT were expressed in cell bodies in the dorsal raphe nucleus and piriform cortex, while in other regions they were distributed as filaments and clump shapes in axons. The TPH2 distribution in the cerebrum of TG was significantly lower than that in WT in preset, onset, and progression stages. TPH2 expression in the fimbria of the hippocampus, mediodorsal thalamic nucleus, habenular nucleus, ventromedial hypothalamus nucleus and lateral hypothalamus area was increased in the onset stage and decreased in the progression stage, gradually decreased in the cingulate with disease progression and significantly decreased in the glomerular layer of the olfactory bulb and nucleus accumbens in the onset stage in TG. The number of mammalian achaete-scute homolog-1 in the subventricular zone (SVZ) in TG was significantly lower than that in WT, which was correlated with the TPH2 distribution. Double immunofluorescence staining showed that TPH2, mammalian achaete-scute homolog-1 and 5-HT were mainly expressed in neurons but rarely expressed in microglia or astrocytes in the piriform cortex. The relative fluorescence density of TPH2 in the cingulate region was negatively correlated with the disease severity. Our findings suggest that 5-HT plays a protective role in ALS, likely by regulating neural stem cells in the subventricular zone that might be involved in neuron development in the piriform cortex.
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Affiliation(s)
- Pei He
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Binjun He
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
- Institute of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Shu Li
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Wen Chai
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Wei Rao
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Yu Zhu
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Wenzhi Chen
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Ping Zhang
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
| | - Xiong Zhang
- Department of Neurology, Maoming People's Hospital, Maoming, Guangdong 525000, China
| | - Haili Pan
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
- Institute of Life Science, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Renshi Xu
- Department of Neurology, Jiangxi Provincial People's Hospital, Clinical College of Nanchang Medical College, The First Affiliated Hospital of Nanchang Medical College, Affiliated People's Hospital of Nanchang University, Nanchang, Jiangxi 330006, China
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Chipika RH, Mulkerrin G, Pradat PF, Murad A, Ango F, Raoul C, Bede P. Cerebellar pathology in motor neuron disease: neuroplasticity and neurodegeneration. Neural Regen Res 2022; 17:2335-2341. [PMID: 35535867 PMCID: PMC9120698 DOI: 10.4103/1673-5374.336139] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Amyotrophic lateral sclerosis is a relentlessly progressive multi-system condition. The clinical picture is dominated by upper and lower motor neuron degeneration, but extra-motor pathology is increasingly recognized, including cerebellar pathology. Post-mortem and neuroimaging studies primarily focus on the characterization of supratentorial disease, despite emerging evidence of cerebellar degeneration in amyotrophic lateral sclerosis. Cardinal clinical features of amyotrophic lateral sclerosis, such as dysarthria, dysphagia, cognitive and behavioral deficits, saccade abnormalities, gait impairment, respiratory weakness and pseudobulbar affect are likely to be exacerbated by co-existing cerebellar pathology. This review summarizes in vivo and post mortem evidence for cerebellar degeneration in amyotrophic lateral sclerosis. Structural imaging studies consistently capture cerebellar grey matter volume reductions, diffusivity studies readily detect both intra-cerebellar and cerebellar peduncle white matter alterations and functional imaging studies commonly report increased functional connectivity with supratentorial regions. Increased functional connectivity is commonly interpreted as evidence of neuroplasticity representing compensatory processes despite the lack of post-mortem validation. There is a scarcity of post-mortem studies focusing on cerebellar alterations, but these detect pTDP-43 in cerebellar nuclei. Cerebellar pathology is an overlooked facet of neurodegeneration in amyotrophic lateral sclerosis despite its contribution to a multitude of clinical symptoms, widespread connectivity to spinal and supratentorial regions and putative role in compensating for the degeneration of primary motor regions.
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Affiliation(s)
- Rangariroyashe H Chipika
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Grainne Mulkerrin
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | | | - Aizuri Murad
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Fabrice Ango
- The Neuroscience Institute of Montpellier (INM), INSERM, CNRS, Montpellier, France
| | - Cédric Raoul
- The Neuroscience Institute of Montpellier (INM), INSERM, CNRS, Montpellier, France
| | - Peter Bede
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, Dublin, Ireland; Pitié-Salpêtrière University Hospital, Sorbonne University, Paris, France
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11
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Aiello EN, Feroldi S, De Luca G, Guidotti L, Arrigoni E, Appollonio I, Solca F, Carelli L, Poletti B, Verde F, Silani V, Ticozzi N. Primary progressive aphasia and motor neuron disease: A review. Front Aging Neurosci 2022; 14:1003792. [PMID: 36158556 PMCID: PMC9492890 DOI: 10.3389/fnagi.2022.1003792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/24/2022] [Indexed: 11/30/2022] Open
Abstract
Background This study aims at reviewing, within the framework of motor neuron disease-frontotemporal degeneration (MND-FTD)-spectrum disorders, evidence on the co-occurrence between primary progressive aphasia (PPA) and MND in order to profile such a complex at pathological, genetic and clinical levels. Methods This review was pre-registered (osf.io/ds8m4) and performed in accordance with the 2020 PRISMA guidelines. Case reports/series and group studies were included if addressing (1) progressive non-fluent aphasia (PNFA) or semantic dementia (SD) with MND or (2) MND patients with co-morbid PNFA/SD. Results Out of 546 initial records, 56 studies were included. As to case reports/series (N = 35), which included 61 PPA-MND patients, the following findings yielded: (1) PNFA is more frequent than SD in PPA-MND; (2) in PPA-MND, the most prevalent motor phenotypes are amyotrophic lateral sclerosis and predominant-upper MND, with bulbar involvement being ubiquitous; (3) extrapyramidal features are moderately frequent in PPA-MND; (4) PPA-MND patients usually display frontotemporal, left-greater-than-right involvement; (5) TDP-43-B is the typical pathological substrate of PPA-MND; (6) TBK1 mutations represent the most frequent genetic risk factors for PPA-MND. As to group studies, including 121 patients, proportional meta-analytic procedures revealed that: (1) the lifetime prevalence of MND in PPA is 6%; (2) PPA occurs in 19% of patients with co-morbid MND and FTD; (3) MND is more frequent in PNFA (10%) than in SD patients (3%). Discussion Insights herewith delivered into the clinical, neuropathological and genetic features of PPA-MND patients prompt further investigations aimed at improving clinical practice within the MND-FTD spectrum.
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Affiliation(s)
- Edoardo Nicolò Aiello
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Ph.D. Program in Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- *Correspondence: Edoardo Nicolò Aiello,
| | - Sarah Feroldi
- Ph.D. Program in Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Giulia De Luca
- Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy
| | - Lucilla Guidotti
- Department of Psychology, University of Milano-Bicocca, Milan, Italy
| | - Eleonora Arrigoni
- Ph.D. Program in Neuroscience, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Ildebrando Appollonio
- Neurology Section, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Federica Solca
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Laura Carelli
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Barbara Poletti
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Federico Verde
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, Università degli Studi di Milano, Milan, Italy
| | - Vincenzo Silani
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, Università degli Studi di Milano, Milan, Italy
| | - Nicola Ticozzi
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Department of Pathophysiology and Transplantation, “Dino Ferrari” Center, Università degli Studi di Milano, Milan, Italy
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12
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Perioperative management of patients with amyotrophic lateral sclerosis: A narrative review. Anaesth Intensive Care 2022; 50:345-360. [DOI: 10.1177/0310057x211065042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Amyotrophic lateral sclerosis, or motor neuron disease, is an uncommon progressive neurological disorder. Professionals working in the perioperative field may encounter patients with amyotrophic lateral sclerosis only rarely. The relevant published literature on amyotrophic lateral sclerosis is broad in scope, but a contemporary review focused on the perioperative period is absent. This structured narrative review seeks to provide a summary of the contemporary management of patients and then focuses on eliciting if there are perioperative management considerations specific to amyotrophic lateral sclerosis that can be optimised. A comprehensive structured narrative literature review, including grey literature searching, indicated worsening ventilatory failure is of prime concern but that patients may present with a broad range of neurological symptoms, and that cardiovascular and cognitive dysfunction specific to amyotrophic lateral sclerosis may exist and be occult. Exacerbation of neuromuscular weakness during the perioperative period is multifaceted and requires the application of a high standard of the core principles of surgical and anaesthetic management of neuromuscular disease. Standard perioperative approaches require rigorous attention and potential exists for significant alteration. There is a potential high risk of postoperative increased morbidity from neurological decline and mortality from pulmonary complications. A meticulous approach to planning preoperative assessment, shared decision-making, intraoperative and postoperative care is required.
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13
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Papadopoulou M, Bakola E, Papapostolou A, Stefanou MI, Moschovos C, Salakou S, Zis P, Zouvelou V, Kimiskidis VK, Chroni E, Tsivgoulis G. Autonomic dysfunction in amyotrophic lateral sclerosis: A neurophysiological and neurosonology study. J Neuroimaging 2022; 32:710-719. [PMID: 35344230 DOI: 10.1111/jon.12993] [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: 02/09/2022] [Revised: 03/07/2022] [Accepted: 03/10/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND PURPOSE Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disorder affecting upper and lower motor neurons. Some ALS patients exhibit concomitant nonmotor signs, and thus ALS is considered a multisystem disorder. The aim of this study is to investigate autonomous nervous system involvement in ALS. METHODS We investigated 21 ALS patients and 28 age-matched controls. ALS patients were assessed for disease severity with the Revised-ALS Functional Rating Scale (ALSFSR) and for the presence of autonomic symptoms with the Composite Autonomic Symptom Score scale. Sympathetic nervous system was evaluated by sympathetic skin response (SSR) and parasympathetic nervous system by ultrasonography of vagus nerve (VN) at the level of the thyroid gland. RESULTS SSR latencies were shorter and SSR amplitudes were higher in controls compared to ALS patients. The cross-sectional area (CSA) of the VN was significantly smaller in ALS patients (mean CSA right/left: 1.73±0.62 mm2 /1.47±0.53 mm2 ) compared to controls (mean CSA right/left: 2.91±0.79 mm2 /2.30±0.80 mm2 ), right: p <. 001, left: p <. 001. There was a significant negative correlation between disease duration and CSA of left-VN (r = -0.493, p = .023). This correlation was attenuated between disease duration and CSA of right-VN (r = -0.419, p = .059). ALSFSR-R was positively correlated to CSA of right-VN (p = .006, r = 0.590). CSA of VN did not correlate with bulbar involvement. CONCLUSIONS This study confirms the presence of autonomic dysfunction in ALS patients and provides evidence of VN atrophy that correlates with disease severity and duration and is independent of bulbar involvement. Degeneration of dorsal nucleus neurons of the VN is hypothesized.
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Affiliation(s)
- Marianna Papadopoulou
- Department of Physiotherapy, Laboratory of Neuromuscular and Cardiovascular Study of Motion, University of West Attica, Athens, Greece.,Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Eleni Bakola
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Apostolos Papapostolou
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Maria Ioanna Stefanou
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Christos Moschovos
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Stavroula Salakou
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
| | - Panagiotis Zis
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece.,Medical School, University of Cyprus, Nicosia, Cyprus.,Medical School, University of Sheffield, Sheffield, UK
| | - Vasiliki Zouvelou
- First Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Eginitio University Hospital, Athens, Greece
| | - Vasilios K Kimiskidis
- First Department of Neurology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Elisabeth Chroni
- Department of Neurology, School of Medicine, University of Patras, Rio-Patras, Greece
| | - Georgios Tsivgoulis
- Second Department of Neurology, National and Kapodistrian University of Athens, School of Medicine, Attikon University Hospital, Athens, Greece
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14
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Feng SY, Lin H, Che CH, Huang HP, Liu CY, Zou ZY. Phenotype of VCP Mutations in Chinese Amyotrophic Lateral Sclerosis Patients. Front Neurol 2022; 13:790082. [PMID: 35197922 PMCID: PMC8858817 DOI: 10.3389/fneur.2022.790082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 01/06/2022] [Indexed: 11/13/2022] Open
Abstract
Mutations in the valosin-containing protein (VCP) gene have been linked to amyotrophic lateral sclerosis (ALS) in the Caucasian populations. However, the phenotype of VCP mutations in Chinese patients with (ALS) remains unclear. Targeted next-generation sequencing covered 28 ALS-related genes including the VCP gene was undertaken to screen in a Chinese cohort of 275 sporadic ALS cases and 15 familial ALS pedigrees. An extensive literature review was performed to identify all patients with ALS carrying VCP mutations previously reported. The clinical characteristics and genetic features of ALS patients with VCP mutations were reviewed. One known p.R155C mutation in the VCP gene was detected in two siblings from a familial ALS pedigree and two sporadic individuals. In addition, the same VCP p.R155C mutation was detected in an additional patient with ALS referred in 2021. Three patients with VCP p.R155C mutation presented with muscular weakness starting from proximal extremities to distal extremities. The other patient developed a phenotype of Paget's disease of bone in addition to the progressive muscular atrophy. We reported the first VCP mutation carrier manifesting ALS with Paget's disease of bone in the Chinese population. Our findings expand the phenotypic spectrum of the VCP mutations in Chinese patients with ALS and suggest that ALS patients with VCP p.R155C mutations tend to present with relatively young onset, symmetrical involvement of proximal muscles weakness of arms or legs, and then progressed to distal muscles of limbs.
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Affiliation(s)
- Shu-Yan Feng
- Department of Neurophysiology, Henan Provincial People's Hospital, Zhengzhou, China
- Zhengzhou University People's Hospital, Zhengzhou, China
| | - Han Lin
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Chun-Hui Che
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China
| | - Hua-Pin Huang
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China
- Institute of Clinical Neurology, Fujian Medical University, Fuzhou, China
| | - Chang-Yun Liu
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China
- Institute of Clinical Neurology, Fujian Medical University, Fuzhou, China
| | - Zhang-Yu Zou
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China
- Institute of Clinical Neurology, Fujian Medical University, Fuzhou, China
- *Correspondence: Zhang-Yu Zou
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15
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Reyes-Leiva D, Dols-Icardo O, Sirisi S, Cortés-Vicente E, Turon-Sans J, de Luna N, Blesa R, Belbin O, Montal V, Alcolea D, Fortea J, Lleó A, Rojas-García R, Illán-Gala I. Pathophysiological Underpinnings of Extra-Motor Neurodegeneration in Amyotrophic Lateral Sclerosis: New Insights From Biomarker Studies. Front Neurol 2022; 12:750543. [PMID: 35115992 PMCID: PMC8804092 DOI: 10.3389/fneur.2021.750543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 12/09/2021] [Indexed: 11/13/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD) lie at opposing ends of a clinical, genetic, and neuropathological continuum. In the last decade, it has become clear that cognitive and behavioral changes in patients with ALS are more frequent than previously recognized. Significantly, these non-motor features can impact the diagnosis, prognosis, and management of ALS. Partially overlapping neuropathological staging systems have been proposed to describe the distribution of TAR DNA-binding protein 43 (TDP-43) aggregates outside the corticospinal tract. However, the relationship between TDP-43 inclusions and neurodegeneration is not absolute and other pathophysiological processes, such as neuroinflammation (with a prominent role of microglia), cortical hyperexcitability, and synaptic dysfunction also play a central role in ALS pathophysiology. In the last decade, imaging and biofluid biomarker studies have revealed important insights into the pathophysiological underpinnings of extra-motor neurodegeneration in the ALS-FTLD continuum. In this review, we first summarize the clinical and pathophysiological correlates of extra-motor neurodegeneration in ALS. Next, we discuss the diagnostic and prognostic value of biomarkers in ALS and their potential to characterize extra-motor neurodegeneration. Finally, we debate about how biomarkers could improve the diagnosis and classification of ALS. Emerging imaging biomarkers of extra-motor neurodegeneration that enable the monitoring of disease progression are particularly promising. In addition, a growing arsenal of biofluid biomarkers linked to neurodegeneration and neuroinflammation are improving the diagnostic accuracy and identification of patients with a faster progression rate. The development and validation of biomarkers that detect the pathological aggregates of TDP-43 in vivo are notably expected to further elucidate the pathophysiological underpinnings of extra-motor neurodegeneration in ALS. Novel biomarkers tracking the different aspects of ALS pathophysiology are paving the way to precision medicine approaches in the ALS-FTLD continuum. These are essential steps to improve the diagnosis and staging of ALS and the design of clinical trials testing novel disease-modifying treatments.
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Affiliation(s)
- David Reyes-Leiva
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Valencia, Spain
| | - Oriol Dols-Icardo
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Sonia Sirisi
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Elena Cortés-Vicente
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Valencia, Spain
| | - Janina Turon-Sans
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Valencia, Spain
| | - Noemi de Luna
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Valencia, Spain
| | - Rafael Blesa
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Olivia Belbin
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Victor Montal
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Daniel Alcolea
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Juan Fortea
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Alberto Lleó
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
| | - Ricard Rojas-García
- Neuromuscular Diseases Unit, Department of Neurology, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Raras, CIBERER, Valencia, Spain
| | - Ignacio Illán-Gala
- Sant Pau Memory Unit, Department of Neurology, Biomedical Research Institute Sant Pau, Hospital de la Santa Creu i Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Neurodegenerativas, CIBERNED, Madrid, Spain
- *Correspondence: Ignacio Illán-Gala
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16
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Rubio MA, Herrando-Grabulosa M, Velasco R, Blasco I, Povedano M, Navarro X. TDP-43 Cytoplasmic Translocation in the Skin Fibroblasts of ALS Patients. Cells 2022; 11:209. [PMID: 35053327 PMCID: PMC8773870 DOI: 10.3390/cells11020209] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/23/2021] [Accepted: 01/04/2022] [Indexed: 12/10/2022] Open
Abstract
Diagnosis of ALS is based on clinical symptoms when motoneuron degeneration is significant. Therefore, new approaches for early diagnosis are needed. We aimed to assess if alterations in appearance and cellular localization of cutaneous TDP-43 may represent a biomarker for ALS. Skin biopsies from 64 subjects were analyzed: 44 ALS patients, 10 healthy controls (HC) and 10 neurological controls (NC) (Parkinson's disease and multiple sclerosis). TDP-43 immunoreactivity in epidermis and dermis was analyzed, as well as the percentage of cells with TDP-43 cytoplasmic localization. We detected a higher amount of TDP-43 in epidermis (p < 0.001) and in both layers of dermis (p < 0.001), as well as a higher percentage of TDP-43 cytoplasmic positive cells (p < 0.001) in the ALS group compared to HC and NC groups. Dermal cells containing TDP-43 were fibroblasts as identified by co-labeling against vimentin. ROC analyses (AUC 0.867, p < 0.001; CI 95% 0.800-0.935) showed that detection of 24.1% cells with cytoplasmic TDP-43 positivity in the dermis had 85% sensitivity and 80% specificity for detecting ALS. We have identified significantly increased TDP-43 levels in epidermis and in the cytoplasm of dermal cells of ALS patients. Our findings provide support for the use of TDP-43 in skin biopsies as a potential biomarker.
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Affiliation(s)
- Miguel A. Rubio
- Neuromuscular Unit, Department of Neurology, Hospital del Mar, 08003 Barcelona, Spain;
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences and CIBERNED, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.H.-G.); (R.V.); (I.B.)
| | - Mireia Herrando-Grabulosa
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences and CIBERNED, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.H.-G.); (R.V.); (I.B.)
| | - Roser Velasco
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences and CIBERNED, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.H.-G.); (R.V.); (I.B.)
- Neuro-Oncology Unit, Department of Neurology, Hospital Universitari de Bellvitge-ICO and IDIBELL, 08907 L’Hospitalet, Spain
| | - Israel Blasco
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences and CIBERNED, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.H.-G.); (R.V.); (I.B.)
| | - Monica Povedano
- Department of Neurology, Hospital Universitari de Bellvitge, 08907 L’Hospitalet, Spain;
| | - Xavier Navarro
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences and CIBERNED, Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain; (M.H.-G.); (R.V.); (I.B.)
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17
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Rosow L, Lomen-Hoerth C. Treatment and Management of Adult Motor Neuron Diseases. Neuromuscul Disord 2022. [DOI: 10.1016/b978-0-323-71317-7.00012-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Riku Y, Yoshida M, Tamura T, Kamijo M, Yasui K, Kameyama T, Katsuno M, Sobue G, Iwasaki Y. Unexpected postmortem diagnoses in cases of clinically diagnosed amyotrophic lateral sclerosis. Neuropathology 2021; 41:457-467. [PMID: 34783101 DOI: 10.1111/neup.12744] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 03/30/2021] [Accepted: 04/18/2021] [Indexed: 01/04/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a motor neuron disease that is clinically and pathologically characterized by impairment of the upper and lower motor neurons. The clinical diagnosis of ALS is not always straightforward because of the lack of specific biomarkers and clinical heterogeneity. This review presents the clinical and pathological findings of four autopsied cases that had been diagnosed with ALS before death. These cases had demonstrated definite and progressive motor neuron signs and symptoms, whereas postmortem assessment revealed miscellaneous disorders, including fungal infection, paraneoplastic syndrome, and amyloidosis. Importantly, nonmotor neuron signs and symptoms, including seizures, extra-pyramidal signs, ocular movement disorders, sensory disturbance, and dysautonomia, had also been documented during the disease course of the cases in the present study. The ALS-unlike symptoms were indicative of the "true" diagnosis in each case when those symptoms were isolated from motor neuron signs/symptoms.
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Affiliation(s)
- Yuichi Riku
- Institute for Medical Science of Aging, Aichi Medical University, Nagakute, Japan.,Department of Neurology, Nagoya University, Nagoya, Japan
| | - Mari Yoshida
- Institute for Medical Science of Aging, Aichi Medical University, Nagakute, Japan
| | - Takuya Tamura
- Department of Neurology, Higashi Nagoya National Hospital, Nagoya, Japan
| | - Mikiko Kamijo
- Department of Neurology, Chubu Rosai Hospital, Nagoya, Japan
| | - Keizo Yasui
- Department of Neurology, Japanese Red Cross Nagoya Daini Hospital, Nagoya, Japan
| | | | | | - Gen Sobue
- Aichi Medical University, Nagakute, Japan
| | - Yasushi Iwasaki
- Institute for Medical Science of Aging, Aichi Medical University, Nagakute, Japan
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19
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Spencer PS. Parkinsonism and motor neuron disorders: Lessons from Western Pacific ALS/PDC. J Neurol Sci 2021; 433:120021. [PMID: 34635325 DOI: 10.1016/j.jns.2021.120021] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 08/06/2021] [Accepted: 09/01/2021] [Indexed: 01/16/2023]
Abstract
Recognized worldwide as an unusual "overlap" syndrome, Parkinsonism and motor neuron disease, with or without dementia, is best exemplified by the former high-incidence clusters of Amyotrophic Lateral Sclerosis and Parkinsonism-Dementia Complex (ALS/PDC) in Guam, USA, in the Kii Peninsula of Honshu Island, Japan, and in Papua, Indonesia, on the western side of New Guinea. Western Pacific ALS/PDC is a disappearing neurodegenerative disorder with multiple and sometime overlapping phenotypes (ALS, atypical parkinsonism, dementia) that appear to constitute a single disease of environmental origin, in particular from exposure to genotoxins/neurotoxins in seed of cycad plants (Cycas spp.) formerly used as a traditional source of food (Guam) and/or medicine (Guam, Kii-Japan, Papua-Indonesia). Seed compounds include the principal cycad toxin cycasin, its active metabolite methylazoxymethanol (MAM) and a non-protein amino acid β-N-methylamino-L-alanine (L-BMAA); each reproduces components of ALS/PDC neuropathology when individually administered to laboratory species in single doses perinatally (MAM, L-BMAA) or repeatedly for prolonged periods to young adult animals (L-BMAA). Human exposure to MAM, a potent DNA-alkylating mutagen, also has potential relevance to the high incidence of diverse mutations found among Guamanians with/without ALS/PDC. In sum, seven decades of intensive study of ALS/PDC has revealed field and laboratory approaches leading to discovery of disease etiology that are now being applied to sporadic neurodegenerative disorders such as ALS beyond the Western Pacific region. This article is part of the Special Issue "Parkinsonism across the spectrum of movement disorders and beyond" edited by Joseph Jankovic, Daniel D. Truong and Matteo Bologna.
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Affiliation(s)
- Peter S Spencer
- Department of Neurology, School of Medicine, Oregon Institute of Occupational Health Sciences, Oregon Health & Science University, Portland, Oregon, USA.
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20
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Forrest SL, Kim JH, De Sousa C, Cheong R, Crockford DR, Sheedy D, Stevens J, McCrossin T, Tan RH, McCann H, Shepherd CE, Rowe DB, Kiernan MC, Halliday GM, Kril JJ. Coexisting Lewy body disease and clinical parkinsonism in amyotrophic lateral sclerosis. Eur J Neurol 2021; 28:2192-2199. [PMID: 33793036 DOI: 10.1111/ene.14849] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 03/22/2021] [Accepted: 03/29/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is associated with a range of clinical phenotypes and shows progressive degeneration of upper and/or lower motor neurons, and phosphorylated 43 kDa TAR DNA-binding protein (pTDP-43) inclusions in motor and non-motor pathways. Parkinsonian features have been reported in up to 30% of ALS patients, and Lewy bodies, normally associated with Lewy body disease (LBD), have been reported in a small number of ALS cases, with unknown clinical relevance. This study investigates the prevalence of clinically relevant LBD in a prospectively studied ALS cohort to determine whether concomitant pathology contributes to the clinical heterogeneity. METHODS All ALS cases held by the New South Wales Brain Bank (n = 97) were screened for coexisting LBD consistent with clinical disease (Braak ≥ stage IV). Relevant clinical and genetic associations were determined. RESULTS Six cases had coexisting LBD Braak ≥ stage IV pathology. The age at symptom onset (69 ± 7 years) and disease duration (4 ± 3 years) in ALS cases with coexisting LBD did not differ from ALS cases. Three patients had lower limb onset and two patients had bulbar onset. Two patients developed the clinical features of Parkinson's disease, with one receiving a dual diagnosis. All cases had no known relevant family history or genetic abnormalities. CONCLUSION The prevalence of clinically relevant LBD pathology in ALS is higher than in the general population, and has implications for clinical and neuropathological diagnoses and the identification of biomarkers.
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Affiliation(s)
- Shelley L Forrest
- Faculty of Medicine, Health and Human Sciences, School of Biomedical Sciences, Dementia Research Centre, Macquarie University, Sydney, NSW, Australia.,Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Jordan Hanxi Kim
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Clair De Sousa
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Rosie Cheong
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Daniel R Crockford
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Donna Sheedy
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Julia Stevens
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Toni McCrossin
- Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
| | - Rachel H Tan
- Faculty of Medicine and Health, Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Heather McCann
- Neuroscience Research Australia, Randwick, NSW, Australia
| | | | - Dominic B Rowe
- Department of Clinical Medicine, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, NSW, Australia.,Department of Biomedical Science, Faculty of Medicine, Health and Human Sciences, Centre for MND Research, Macquarie University, Sydney, NSW, Australia
| | - Matthew C Kiernan
- Faculty of Medicine and Health, Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Glenda M Halliday
- Faculty of Medicine and Health, Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia.,Neuroscience Research Australia, Randwick, NSW, Australia
| | - Jillian J Kril
- Faculty of Medicine, Health and Human Sciences, School of Biomedical Sciences, Dementia Research Centre, Macquarie University, Sydney, NSW, Australia.,Faculty of Medicine and Health, Discipline of Pathology and Charles Perkins Centre, University of Sydney, Sydney, NSW, Australia
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21
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Tae WS, Sung JH, Baek SH, Lee CN, Kim BJ. Shape Analysis of the Subcortical Nuclei in Amyotrophic Lateral Sclerosis without Cognitive Impairment. J Clin Neurol 2020; 16:592-598. [PMID: 33029965 PMCID: PMC7541997 DOI: 10.3988/jcn.2020.16.4.592] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 05/25/2020] [Accepted: 05/26/2020] [Indexed: 12/20/2022] Open
Abstract
Background and Purpose Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease that mainly affects the pyramidal motor system. However, recent studies have suggested that degeneration of the extramotor system plays a role in the disability experienced by patients with ALS. We investigated the local shape changes and mean volumes of the subcortical nuclei in sporadic ALS patients with preserved cognition. Methods The participants comprised 32 patients with ALS and 43 age- and sex-matched healthy controls. Three-dimensional T1-weighted structural images were acquired. Surface-based vertex analysis was performed with fully automated segmentation of both amygdalae, hippocampi, caudate nuclei, nuclei accumbens, putamina, pallida, and thalami, and the brainstem. The scalar distances from the mean surfaces of the individual subcortical nuclei were compared between groups, and correlations of the local shape distances with initial Amyotrophic Lateral Sclerosis Functional Rating Scale Revised (ALS-FRS-R) scores and the delta FRS-R and with the disease duration were analyzed. Results ALS patients showed regional shape contractions on the lateral surfaces of both pallida, the lateroposterior surface of the right putamen, and the anterior basal surface of the right accumbens. Delta FRS-R scores were negatively correlated with local shape distances in the right hippocampus and the putamina. However, the initial ALS-FRS-R score and disease duration were not correlated with local shape distances. Conclusions Subcortical gray-matter structures are involved in the neurodegenerative process of ALS before cognitive impairment becomes evident.
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Affiliation(s)
- Woo Suk Tae
- Brain Convergence Research Center, Korea University, Seoul, Korea
| | - Joo Hye Sung
- Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Seol Hee Baek
- Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Chan Nyoung Lee
- Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Byung Jo Kim
- Brain Convergence Research Center, Korea University, Seoul, Korea.,Department of Neurology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea.
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22
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Chipika RH, Christidi F, Finegan E, Li Hi Shing S, McKenna MC, Chang KM, Karavasilis E, Doherty MA, Hengeveld JC, Vajda A, Pender N, Hutchinson S, Donaghy C, McLaughlin RL, Hardiman O, Bede P. Amygdala pathology in amyotrophic lateral sclerosis and primary lateral sclerosis. J Neurol Sci 2020; 417:117039. [PMID: 32713609 DOI: 10.1016/j.jns.2020.117039] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/19/2020] [Accepted: 07/13/2020] [Indexed: 12/26/2022]
Abstract
Temporal lobe studies in motor neuron disease overwhelmingly focus on white matter alterations and cortical grey matter atrophy. Reports on amygdala involvement are conflicting and the amygdala is typically evaluated as single structure despite consisting of several functionally and cytologically distinct nuclei. A prospective, single-centre, neuroimaging study was undertaken to comprehensively characterise amygdala pathology in 100 genetically-stratified ALS patients, 33 patients with PLS and 117 healthy controls. The amygdala was segmented into groups of nuclei using a Bayesian parcellation algorithm based on a probabilistic atlas and shape deformations were additionally assessed by vertex analyses. The accessory basal nucleus (p = .021) and the cortical nucleus (p = .022) showed significant volume reductions in C9orf72 negative ALS patients compared to controls. The lateral nucleus (p = .043) and the cortico-amygdaloid transition (p = .024) were preferentially affected in C9orf72 hexanucleotide carriers. A trend of total volume reduction was identified in C9orf72 positive ALS patients (p = .055) which was also captured in inferior-medial shape deformations on vertex analyses. Our findings highlight that the amygdala is affected in ALS and our study demonstrates the selective involvement of specific nuclei as opposed to global atrophy. The genotype-specific patterns of amygdala involvement identified by this study are consistent with the growing literature of extra-motor clinical features. Mesial temporal lobe pathology in ALS is not limited to hippocampal pathology but, as a key hub of the limbic system, the amygdala is also affected in ALS.
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Affiliation(s)
- Rangariroyashe H Chipika
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Foteini Christidi
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland; Department of Neurology, Aeginition Hospital, University of Athens, Greece
| | - Eoin Finegan
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Stacey Li Hi Shing
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Mary Clare McKenna
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Kai Ming Chang
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland; Electronics and Computer Science, University of Southampton, Southampton SO17 1BJ, United Kingdom
| | - Efstratios Karavasilis
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland; 2nd Department of Radiology, Attikon University Hospital, University of Athens, Athens, Greece
| | - Mark A Doherty
- Complex Trait Genomics Laboratory, Smurfit Institute of Genetics, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Jennifer C Hengeveld
- Complex Trait Genomics Laboratory, Smurfit Institute of Genetics, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Alice Vajda
- Complex Trait Genomics Laboratory, Smurfit Institute of Genetics, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Niall Pender
- Department of psychology, Beaumont Hospital Dublin, Ireland
| | - Siobhan Hutchinson
- Department of Neurology, St James's Hospital, James's St, Ushers, Dublin 8 D08 NHY1, Ireland
| | - Colette Donaghy
- Department of Neurology, Belfast, Western Health & Social Care Trust, UK
| | - Russell L McLaughlin
- Complex Trait Genomics Laboratory, Smurfit Institute of Genetics, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Orla Hardiman
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Peter Bede
- Computational Neuroimaging Group, Biomedical Sciences Institute, Trinity College Dublin, 152-160 Pearse Street, Dublin 2, Ireland.
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23
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Baldacci F, Mazzucchi S, Della Vecchia A, Giampietri L, Giannini N, Koronyo-Hamaoui M, Ceravolo R, Siciliano G, Bonuccelli U, Elahi FM, Vergallo A, Lista S, Giorgi FS. The path to biomarker-based diagnostic criteria for the spectrum of neurodegenerative diseases. Expert Rev Mol Diagn 2020; 20:421-441. [PMID: 32066283 PMCID: PMC7445079 DOI: 10.1080/14737159.2020.1731306] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 02/14/2020] [Indexed: 12/21/2022]
Abstract
Introduction: The postmortem examination still represents the reference standard for detecting the pathological nature of chronic neurodegenerative diseases (NDD). This approach displays intrinsic conceptual limitations since NDD represent a dynamic spectrum of partially overlapping phenotypes, shared pathomechanistic alterations that often give rise to mixed pathologies.Areas covered: We scrutinized the international clinical diagnostic criteria of NDD and the literature to provide a roadmap toward a biomarker-based classification of the NDD spectrum. A few pathophysiological biomarkers have been established for NDD. These are time-consuming, invasive, and not suitable for preclinical detection. Candidate screening biomarkers are gaining momentum. Blood neurofilament light-chain represents a robust first-line tool to detect neurodegeneration tout court and serum progranulin helps detect genetic frontotemporal dementia. Ultrasensitive assays and retinal scans may identify Aβ pathology early, in blood and the eye, respectively. Ultrasound also represents a minimally invasive option to investigate the substantia nigra. Protein misfolding amplification assays may accurately detect α-synuclein in biofluids.Expert opinion: Data-driven strategies using quantitative rather than categorical variables may be more reliable for quantification of contributions from pathophysiological mechanisms and their spatial-temporal evolution. A systems biology approach is suitable to untangle the dynamics triggering loss of proteostasis, driving neurodegeneration and clinical evolution.
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Affiliation(s)
- Filippo Baldacci
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
- Sorbonne University, GRC n° 21, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Boulevard de l’hôpital, Paris, France
| | - Sonia Mazzucchi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Linda Giampietri
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Nicola Giannini
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Maya Koronyo-Hamaoui
- Department of Neurosurgery, Maxine Dunitz Neurosurgical Research Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
- Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Roberto Ceravolo
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Gabriele Siciliano
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Ubaldo Bonuccelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Fanny M. Elahi
- Memory and Aging Center, Department of Neurology, University of California, San Francisco, CA, USA
| | - Andrea Vergallo
- Sorbonne University, GRC n° 21, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Boulevard de l’hôpital, Paris, France
- Brain & Spine Institute (ICM), INSERM U 1127, CNRS UMR 7225, Boulevard de l’hôpital, Paris, France
- Department of Neurology, Institute of Memory and Alzheimer’s Disease (IM2A), Pitié-Salpêtrière Hospital, Paris, France
| | - Simone Lista
- Sorbonne University, GRC n° 21, Alzheimer Precision Medicine (APM), AP-HP, Pitié-Salpêtrière Hospital, Boulevard de l’hôpital, Paris, France
- Brain & Spine Institute (ICM), INSERM U 1127, CNRS UMR 7225, Boulevard de l’hôpital, Paris, France
- Department of Neurology, Institute of Memory and Alzheimer’s Disease (IM2A), Pitié-Salpêtrière Hospital, Paris, France
| | - Filippo Sean Giorgi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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24
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Takeda T, Kitagawa K, Arai K. Phenotypic variability and its pathological basis in amyotrophic lateral sclerosis. Neuropathology 2019; 40:40-56. [PMID: 31802540 DOI: 10.1111/neup.12606] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 12/19/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is characterized by its inherent clinicopathological variability. The concurrence of upper and lower motor neuron signs is a common feature in the majority of patients with ALS. However, some patients manifest an atypical clinical course, with only upper or lower motor neuron signs, or various extra-motor symptoms including cognitive dysfunction, parkinsonism, autonomic dysfunction, or ophthalmoparesis. This variability indicates different manifestations of ALS and is reflected by ALS pathology spreading into the central nervous system. The presence of cytoplasmic inclusions positive for transactivation response DNA-binding protein 43 kDa (TDP-43) is a key feature in ALS. Loss of TDP-43 from the nucleus and its subsequent aggregation in the cytoplasm may occur in susceptible regions and may be associated with neuronal loss. However, in some regions, there is no apparent neuronal loss while TDP-43 accumulation is evident; in contrast, in other regions, neuronal loss is apparent without any evidence of TDP-43 accumulation. Therefore, in addition to TDP-43 dysfunction, underlying region-specific cellular vulnerability may exist in the upper and lower motor neurons and frontotemporal system in patients with ALS. The microscopic discrepancy and selective vulnerability may be linked to the macroscopic propensities of the sites of onset, and may also determine the direction and rate of progression of the lesions. Thus, there may be multicentric sites of onset, region-oriented disease development, and different speeds of disease progression across patients with ALS. ALS lesions occur in motor-related areas but may spread to neighboring areas. However, since lesions may spread in a discontinuous manner, and the dynamics of disease propagation have not been able to be identified, it remains controversial whether the stepwise appearance of TDP-43-positive inclusions is based on direct cell-to-cell protein propagation. Further understanding of the phenotypic variability of ALS and its pathological basis may serve as a guide for investigating the underlying pathogenesis of ALS.
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Affiliation(s)
- Takahiro Takeda
- Department of Neurology, National Hospital Organization Chibahigashi National Hospital, Chiba, Japan.,Department of Neurology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kazuo Kitagawa
- Department of Neurology, Tokyo Women's Medical University, Tokyo, Japan
| | - Kimihito Arai
- Department of Neurology, National Hospital Organization Chibahigashi National Hospital, Chiba, Japan
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25
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Gentile F, Scarlino S, Falzone YM, Lunetta C, Tremolizzo L, Quattrini A, Riva N. The Peripheral Nervous System in Amyotrophic Lateral Sclerosis: Opportunities for Translational Research. Front Neurosci 2019; 13:601. [PMID: 31293369 PMCID: PMC6603245 DOI: 10.3389/fnins.2019.00601] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 05/27/2019] [Indexed: 12/11/2022] Open
Abstract
Although amyotrophic lateral sclerosis (ALS) has been considered as a disorder of the motor neuron (MN) cell body, recent evidences show the non-cell-autonomous pathogenic nature of the disease. Axonal degeneration, loss of peripheral axons and destruction of nerve terminals are early events in the disease pathogenic cascade, anticipating MN degeneration, and the onset of clinical symptoms. Therefore, although ALS and peripheral axonal neuropathies should be differentiated in clinical practice, they also share damage to common molecular pathways, including axonal transport, RNA metabolism and proteostasis. Thus, an extensive evaluation of the molecular events occurring in the peripheral nervous system (PNS) could be fundamental to understand the pathogenic mechanisms of ALS, favoring the discovery of potential disease biomarkers, and new therapeutic targets.
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Affiliation(s)
- Francesco Gentile
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Stefania Scarlino
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Yuri Matteo Falzone
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
- Department of Neurology, San Raffaele Scientific Institute, Milan, Italy
| | | | - Lucio Tremolizzo
- Neurology Unit, ALS Clinic, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Angelo Quattrini
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
| | - Nilo Riva
- Experimental Neuropathology Unit, Division of Neuroscience, Institute of Experimental Neurology – San Raffaele Scientific Institute, Milan, Italy
- Department of Neurology, San Raffaele Scientific Institute, Milan, Italy
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26
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Abstract
Frontotemporal dementia (FTD) is a common young-onset dementia presenting with heterogeneous and distinct syndromes. It is characterized by progressive deficits in behavior, language, and executive function. The disease may exhibit similar characteristics to many psychiatric disorders owing to its prominent behavioral features. The concept of precision medicine has recently emerged, and it involves neurodegenerative disease treatment that is personalized to match an individual's specific pattern of neuroimaging, neuropathology, and genetic variability. In this paper, the pathophysiology underlying FTD, which is characterized by the selective degeneration of the frontal and temporal cortices, is reviewed. We also discuss recent advancements in FTD research from the perspectives of clinical, imaging, molecular characterizations, and treatment. This review focuses on the approach of precision medicine to manage the clinical and biological complexities of FTD.
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Affiliation(s)
- Mu-N Liu
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.,Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan.,Department of Neurology, Memory and Aging Centre, University of California, San Francisco, San Francisco, CA, United States
| | - Chi-Ieong Lau
- Department of Neurology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, Taiwan.,Applied Cognitive Neuroscience Group, Institute of Cognitive Neuroscience, University College London, London, United Kingdom.,College of Medicine, Fu-Jen Catholic University, Taipei, Taiwan
| | - Ching-Po Lin
- Institute of Brain Science, National Yang-Ming University, Taipei, Taiwan.,Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan.,Aging and Health Research Center, National Yang Ming University, Taipei, Taiwan
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27
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Christidi F, Karavasilis E, Rentzos M, Kelekis N, Evdokimidis I, Bede P. Clinical and Radiological Markers of Extra-Motor Deficits in Amyotrophic Lateral Sclerosis. Front Neurol 2018; 9:1005. [PMID: 30524366 PMCID: PMC6262087 DOI: 10.3389/fneur.2018.01005] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2018] [Accepted: 11/06/2018] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is now universally recognized as a complex multisystem disorder with considerable extra-motor involvement. The neuropsychological manifestations of frontotemporal, parietal, and basal ganglia involvement in ALS have important implications for compliance with assistive devices, survival, participation in clinical trials, caregiver burden, and the management of individual care needs. Recent advances in neuroimaging have been instrumental in characterizing the biological substrate of heterogeneous cognitive and behavioral deficits in ALS. In this review we discuss the clinical and radiological aspects of cognitive and behavioral impairment in ALS focusing on the recognition, assessment, and monitoring of these symptoms.
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Affiliation(s)
- Foteini Christidi
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Efstratios Karavasilis
- Second Department of Radiology, University General Hospital Attikon, National and Kapodistrian University of Athens, Athens, Greece
| | - Michail Rentzos
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Nikolaos Kelekis
- Second Department of Radiology, University General Hospital Attikon, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Evdokimidis
- First Department of Neurology, Aeginition Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Peter Bede
- Computational Neuroimaging Group, Academic Unit of Neurology, Trinity College Dublin, Dublin, Ireland
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28
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Bello-Haas VD. Physical therapy for individuals with amyotrophic lateral sclerosis: current insights. Degener Neurol Neuromuscul Dis 2018; 8:45-54. [PMID: 30890895 PMCID: PMC6065609 DOI: 10.2147/dnnd.s146949] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a progressive, neurodegenerative, and inevitably fatal disease. There is no cure for ALS and life expectancy is typically 2–5 years after symptom onset. Despite the lack of a cure and the rapidly progressive nature of the disease, ALS is considered a “treatable disease” and rehabilitation is integral to optimal, comprehensive care. In addition to the other health care professions making up the health care team, physical therapy provides a critical role in the overall management in individuals with ALS. Physical therapy that is tailored to the individual’s needs and goals and focused on addressing symptoms and maximizing function and participation enables people with ALS to live their lives to the fullest and with quality. The purpose of this paper is to review some of the recent ALS research findings that have implications for physical therapy practice.
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Affiliation(s)
- Vanina Dal Bello-Haas
- Physiotherapy Program, School of Rehabilitation Science, McMaster University, Hamilton, ON, Canada,
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29
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Mélé N, Berzero G, Maisonobe T, Salachas F, Nicolas G, Weiss N, Beaudonnet G, Ducray F, Psimaras D, Lenglet T. Motor neuron disease of paraneoplastic origin: a rare but treatable condition. J Neurol 2018; 265:1590-1599. [DOI: 10.1007/s00415-018-8881-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 04/14/2018] [Accepted: 04/16/2018] [Indexed: 02/07/2023]
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30
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Maghzi AH, Sahai S, Zimnowodzki S, Baloh RH. Palatal tremor as a presenting symptom of amyotrophic lateral sclerosis. Neurology 2018; 90:801-802. [PMID: 29572285 DOI: 10.1212/wnl.0000000000005363] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 01/31/2018] [Indexed: 12/13/2022] Open
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31
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Abe K. [An early history of Japanese amyotrophic lateral sclerosis (ALS)-related diseases and the current development]. Rinsho Shinkeigaku 2018; 58:141-165. [PMID: 29491329 DOI: 10.5692/clinicalneurol.cn-001095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The present review focuses an early history of Japanese amyotrophic lateral sclerosis (ALS)-related diseases and the current development. In relation to foreign previous reports, five topics are introduced and discussed on ALS with dementia, ALS/Parkinsonism dementia complex (ALS/PDC), familial ALS (FALS), spinal bulbar muscular atrophy (SBMA), and multisystem involvement especially in cerebellar system of ALS including ALS/SCA (spinocerebellar ataxia) crossroad mutation Asidan. This review found the great contribution of Japanese reports on the above five topics, and confirmed the great development of ALS-related diseases over the past 120 years.
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Affiliation(s)
- Koji Abe
- Department of Neurology, Okayama University Medical School
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32
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Štrafela P, Pleško J, Magdič J, Koritnik B, Zupan A, Glavač D, Bresjanac M, Popović M. Familial tauopathy with P364S MAPT mutation: clinical course, neuropathology and ultrastructure of neuronal tau inclusions. Neuropathol Appl Neurobiol 2018; 44:550-562. [PMID: 29215752 DOI: 10.1111/nan.12456] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Accepted: 11/26/2017] [Indexed: 12/14/2022]
Abstract
AIMS This report presents the clinical course, neuropathology and ultrastructure of neuronal tau inclusions of four Slovene relatives with P364S MAPT mutation. METHODS The clinical history of three out of four P364S MAPT mutation carriers was taken. After formalin fixation, thorough sampling of the central nervous system was followed by paraffin embedding, H&E, Gallyas, Bielschowsky and immunostaining with AT8, anti-3R, anti-4R tau, anti-amyloid-β, anti-TDP43 and anti-alpha-synuclein antibodies. The distribution and density of different types of neuronal tau inclusions were semiquantitatively assessed. In addition, the ultrastructure of neuronal tau inclusions was analysed. RESULTS Macroscopic examination of the brains was unremarkable. Microscopically, neuronal tau inclusions of almost all known types were widespread and distributed fairly uniformly in all cases. Pick bodies and swollen neurones were found in only one family member. Mutant tau was composed of 3R and 4R isoforms, with a slight predominance of 3R tau. Composite neuronal tau inclusion (CNTI), found in all four relatives, was a hallmark of the P364S MAPT mutation. CNTI showed compartmental differences in H&E and Gallyas staining, tau isoforms immunolabelling and ultrastructure, displaying fuzzy fibrils in the core and paired twisted tubules at the periphery. CONCLUSIONS P364S MAPT mutation is characterized clinically by a variable combination of frontotemporal dementia, parkinsonism and motor neurone disease of short duration, and neuropathologically by a widespread uniform distribution of all known neuronal tau inclusions in one family member. Two-compartment CNTI is a unique characteristic of the P364S MAPT mutation.
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Affiliation(s)
- P Štrafela
- Department of Pathology, University Clinical Centre Maribor, Maribor, Slovenia
| | - J Pleško
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - J Magdič
- Clinic of Neurology, University Clinical Centre Maribor, Maribor, Slovenia
| | - B Koritnik
- Institute of Neurophysiology, University Clinical Centre Ljubljana, Ljubljana, Slovenia
| | - A Zupan
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - D Glavač
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - M Bresjanac
- LNPR, Institute of Pathophysiology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - M Popović
- Institute of Pathology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
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Kovrazhkina EA, Razinskaya OD, Gubsky LV. [Clinical polymorphism of amyotrophic lateral sclerosis]. Zh Nevrol Psikhiatr Im S S Korsakova 2017; 117:4-10. [PMID: 28884711 DOI: 10.17116/jnevro2017117814-10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIM To clarify clinical polymorphism of amyotrophic lateral sclerosis (ALS). MATERIAL AND METHODS The study was based on records of a hospital personalized register. Ninety-four patients, aged from 25 to 81 years, diagnosed with ALS according to El Escorial criteria were included. Electromyography and, if necessary, transcranial magnetic stimulation and magnetic-resonance tomography were used to confirm the diagnosis. Disease progression was assessed with the ARSFRS. Age at disease onset, progression rate and duration of survival of patients, rare symptoms of ALS ('extramotor'), time for palliative care (gastrostomy, non-invasive and invasive lung ventilation) and provision of the care to the patient, family history were recorded in a specially designed questionnaire. RESULTS Most of the patients had sporadic ALS, only two familial cases were identified. Spinal onset ALS was found in 66.0% of the patients, bulbar onset in 29.8%, diffuse onset (spinal and bulbar motor neurons were affected simultaneously) in 4.2%. Moderate ALS progression was observed in 42.6% of the patients, mean time till death was 3.0±1.2 years. A slow progression was found in patients with cervical, low back and bulbar onset. A rapid and even 'momentary' type of progression was in diffuse and breast onset. An extremely slow progression with the long-term hospital treatment and survival >5 years was found in 9.7%. Rare ALS symptoms were represented by specific cognitive and psychological impairments, a type of frontal/temporal dysfunction, but only 5 (5.3%) patients were diagnosed with ALS-dementia. Signs of pathological muscle fatigue (myasthenic syndrome) were identified in 18 (19.1%), extrapyramidal disorders in 5 (5.3%), coordination disorders in 4 (4.3%), pain in 12 (12.8%), sensory symptoms in 5 (5.3%) of the patients. CONCLUSION ALS is a multisystemic neurodegeneration disease though the progressive motor neuron death determines the fatal outcome.
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Affiliation(s)
- E A Kovrazhkina
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - O D Razinskaya
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - L V Gubsky
- Pirogov Russian National Research Medical University, Moscow, Russia
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Vázquez-Costa JF, Arlandis S, Hervas D, Martínez-Cuenca E, Cardona F, Pérez-Tur J, Broseta E, Sevilla T. Clinical profile of motor neuron disease patients with lower urinary tract symptoms and neurogenic bladder. J Neurol Sci 2017; 378:130-136. [DOI: 10.1016/j.jns.2017.04.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Revised: 04/28/2017] [Accepted: 04/30/2017] [Indexed: 11/24/2022]
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Boven L, Jiang QL, Moss HE. Diffuse Colour Discrimination as Marker of Afferent Visual System Dysfunction in Amyotrophic Lateral Sclerosis. Neuroophthalmology 2017; 41:310-314. [PMID: 29344070 DOI: 10.1080/01658107.2017.1326153] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 04/24/2017] [Accepted: 04/29/2017] [Indexed: 12/12/2022] Open
Abstract
Abnormalities of the inner and intermediate retinal structures in patients with amyotrophic lateral sclerosis (ALS) have been described using optical coherence tomography and histopathology. Colour vision is a potential marker of these structural changes. The purpose of this study is to test the hypothesis that colour vision impairment is associated with ALS. Monocular (right eye) colour vision was assessed in subjects with definite or probable ALS (n = 25, aged 50-80 years) and control (n = 21, aged 46-89 years) subjects with corrected near visual acuity of at least 20/40 using the L'Anthony D15 color test (desaturated), scored by c-index, a measure of diffuse colour discrimination. Of ALS subjects, 16/25 (64%) had impaired colour vision (c-index >1.8). Comparing with our normal subjects and accounting for age, 72% (n = 18) of ALS subjects had colour vision below the 50th percentile, 52% (n = 13) had colour vision below the 25th percentile, 24% (n = 6) had colour vision below the 10th percentile, and 8% (n = 2) had colour vision below the 2nd percentile. In multivariate models of ln(c-index) and age, the intercept was higher and the slope was flatter in ALS subjects, suggesting that colour vision deficits are more prominent in younger ALS patients. Diffuse colour discrimination deficits are detected in ALS subjects at younger ages than in control subjects. Further study is needed to confirm these findings and to determine if the ALS colour discrimination abnormalities correlate with structural markers of retinal involvement and ALS disease severity.
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Affiliation(s)
- Lindsay Boven
- Department of Ophthalmology and Visual Sciences, University of Illinois College of Medicine, Chicago, Illinois, USA
| | - Qin Li Jiang
- Department of Neurology and Rehabilitation, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Heather E Moss
- Departments of Ophthalmology and Visual Sciences and Neurology and Rehabilitation, University of Illinois at Chicago, Chicago, Illinois, USA
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Al-Chalabi A, Hardiman O, Kiernan MC, Chiò A, Rix-Brooks B, van den Berg LH. Amyotrophic lateral sclerosis: moving towards a new classification system. Lancet Neurol 2017; 15:1182-94. [PMID: 27647646 DOI: 10.1016/s1474-4422(16)30199-5] [Citation(s) in RCA: 256] [Impact Index Per Article: 36.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Revised: 07/29/2016] [Accepted: 08/04/2016] [Indexed: 12/18/2022]
Abstract
Amyotrophic lateral sclerosis is a progressive adult-onset neurodegenerative disease that primarily affects upper and lower motor neurons, but also frontotemporal and other regions of the brain. The extent to which each neuronal population is affected varies between individuals. The subsequent patterns of disease progression form the basis of diagnostic criteria and phenotypic classification systems, with considerable overlap in the clinical terms used. This overlap can lead to confusion between diagnosis and phenotype. Formal classification systems such as the El Escorial criteria and the International Classification of Diseases are systematic approaches but they omit features that are important in clinical management, such as rate of progression, genetic basis, or functional effect. Therefore, many neurologists use informal classification approaches that might not be systematic, and could include, for example, anatomical descriptions such as flail-arm syndrome. A new strategy is needed to combine the benefits of a systematic approach to classification with the rich and varied phenotypic descriptions used in clinical practice.
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Affiliation(s)
- Ammar Al-Chalabi
- Maurice Wohl Clinical Neuroscience Institute, Department of Basic and Clinical Neuroscience, King's College London, London, UK.
| | - Orla Hardiman
- Academic Unit of Neurology, Biomedical Sciences Institute, Trinity College Dublin, Ireland
| | - Matthew C Kiernan
- Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia; Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Adriano Chiò
- "Rita Levi Montalcini" Department of Neuroscience, University of Turin, Turin, Italy
| | - Benjamin Rix-Brooks
- Carolinas Neuromuscular/ALS-MDA Center, Department of Neurology, Carolinas Medical Center, Carolinas Healthcare System Neurosciences Institute, Charlotte, NC, USA; University of North Carolina School of Medicine-Charlotte Campus, Charlotte, NC, USA
| | - Leonard H van den Berg
- Department of Neurology, Brain Center Rudolf Magnus, University Medical Center Utrecht, Netherlands
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Tard C, Defebvre L, Moreau C, Devos D, Danel-Brunaud V. Clinical features of amyotrophic lateral sclerosis and their prognostic value. Rev Neurol (Paris) 2017; 173:263-272. [DOI: 10.1016/j.neurol.2017.03.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 03/27/2017] [Indexed: 12/29/2022]
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McCombe PA, Wray NR, Henderson RD. Extra-motor abnormalities in amyotrophic lateral sclerosis: another layer of heterogeneity. Expert Rev Neurother 2017; 17:561-577. [PMID: 27983884 DOI: 10.1080/14737175.2017.1273772] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
INTRODUCTION Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease defined by the presence of muscle weakness. The motor features of disease are heterogeneous in site of onset and progression. There are also extra-motor features in some patients. The genetic basis for extra-motor features is uncertain. The heterogeneity of ALS is an issue for clinical trials. Areas covered: This paper reviews the range and prevalence of extra-motor features associated with ALS, and highlights the current information about genetic associations with extra-motor features. Expert commentary: There are extra-motor features of ALS, but these are not found in all patients. The most common is cognitive abnormality. More data is required to ascertain whether extra-motor features arise with progression of disease. Extra-motor features are reported in patients with a range of causative genetic mutations, but are not found in all patients with these mutations. Further studies are required of the heterogeneity of ALS, and genotype/phenotype correlations are required, taking note of extra-motor features.
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Affiliation(s)
- P A McCombe
- a The University of Queensland Centre for Clinical Research and Department of Neurology, Royal Brisbane and Women's Hospital , Brisbane , Australia
| | - N R Wray
- b The University of Queensland Institute for Molecular Bioscience , Brisbane , Australia
| | - R D Henderson
- a The University of Queensland Centre for Clinical Research and Department of Neurology, Royal Brisbane and Women's Hospital , Brisbane , Australia
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Schäfer MK, Bellouze S, Jacquier A, Schaller S, Richard L, Mathis S, Vallat JM, Haase G. Sensory neuropathy in progressive motor neuronopathy (pmn) mice is associated with defects in microtubule polymerization and axonal transport. Brain Pathol 2016; 27:459-471. [PMID: 27488538 DOI: 10.1111/bpa.12422] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 07/25/2016] [Indexed: 12/11/2022] Open
Abstract
Motor neuron diseases such as amyotrophic lateral sclerosis (ALS) are now recognized as multi-system disorders also involving various non-motor neuronal cell types. The precise extent and mechanistic basis of non-motor neuron damage in human ALS and ALS animal models remain however unclear. To address this, we here studied progressive motor neuronopathy (pmn) mice carrying a missense loss-of-function mutation in tubulin binding cofactor E (TBCE). These mice manifest a particularly aggressive form of motor axon dying back and display a microtubule loss, similar to that induced by human ALS-linked TUBA4A mutations. Using whole nerve confocal imaging of pmn × thy1.2-YFP16 fluorescent reporter mice and electron microscopy, we demonstrate axonal discontinuities, bead-like spheroids and ovoids in pmn suralis nerves indicating prominent sensory neuropathy. The axonal alterations qualitatively resemble those in phrenic motor nerves but do not culminate in the loss of myelinated fibers. We further show that the pmn mutation decreases the level of TBCE, impedes microtubule polymerization in dorsal root ganglion (DRG) neurons and causes progressive loss of microtubules in large and small caliber suralis axons. Live imaging of axonal transport using GFP-tagged tetanus toxin C-fragment (GFP-TTC) demonstrates defects in microtubule-based transport in pmn DRG neurons, providing a potential explanation for the axonal alterations in sensory nerves. This study unravels sensory neuropathy as a pathological feature of mouse pmn, and discusses the potential contribution of cytoskeletal defects to sensory neuropathy in human motor neuron disease.
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Affiliation(s)
- Michael K Schäfer
- Department of Anesthesiology and Research Center Translational Neurosciences, University Medical Center of the Johannes Gutenberg-University Mainz, Germany
| | - Sarah Bellouze
- Institut de Neurosciences de la Timone, Centre National de la Recherche Scientifique (CNRS) and Aix-Marseille Université UMR 7289, Marseille, France
| | - Arnaud Jacquier
- Institut de Neurosciences de la Timone, Centre National de la Recherche Scientifique (CNRS) and Aix-Marseille Université UMR 7289, Marseille, France
| | - Sébastien Schaller
- Institut de Neurosciences de la Timone, Centre National de la Recherche Scientifique (CNRS) and Aix-Marseille Université UMR 7289, Marseille, France
| | - Laurence Richard
- Laboratoire de Neurologie, Centre de référence national "Neuropathies périphériques rares", Centre Hospitalo-Universitaire (CHU), Limoges, France
| | - Stéphane Mathis
- Department of Neurology, Centre Hospitalo-Universitaire (CHU) Poitiers, University of Poitiers, Poitiers, France
| | - Jean-Michel Vallat
- Laboratoire de Neurologie, Centre de référence national "Neuropathies périphériques rares", Centre Hospitalo-Universitaire (CHU), Limoges, France
| | - Georg Haase
- Institut de Neurosciences de la Timone, Centre National de la Recherche Scientifique (CNRS) and Aix-Marseille Université UMR 7289, Marseille, France
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Capponi S, Geuens T, Geroldi A, Origone P, Verdiani S, Cichero E, Adriaenssens E, De Winter V, Bandettini di Poggio M, Barberis M, Chiò A, Fossa P, Mandich P, Bellone E, Timmerman V. Molecular Chaperones in the Pathogenesis of Amyotrophic Lateral Sclerosis: The Role of HSPB1. Hum Mutat 2016; 37:1202-1208. [PMID: 27492805 PMCID: PMC5108433 DOI: 10.1002/humu.23062] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Revised: 07/21/2016] [Accepted: 07/22/2016] [Indexed: 11/16/2022]
Abstract
Genetic discoveries in amyotrophic lateral sclerosis (ALS) have a significant impact on deciphering molecular mechanisms of motor neuron degeneration but, despite recent advances, the etiology of most sporadic cases remains elusive. Several cellular mechanisms contribute to the motor neuron degeneration in ALS, including RNA metabolism, cellular interactions between neurons and nonneuronal cells, and seeding of misfolded protein with prion‐like propagation. In this scenario, the importance of protein turnover and degradation in motor neuron homeostasis gained increased recognition. In this study, we evaluated the role of the candidate gene HSPB1, a molecular chaperone involved in several proteome‐maintenance functions. In a cohort of 247 unrelated Italian ALS patients, we identified two variants (c.570G>C, p.Gln190His and c.610dupG, p.Ala204Glyfs*6). Functional characterization of the p.Ala204Glyfs*6 demonstrated that the mutant protein alters HSPB1 dynamic equilibrium, sequestering the wild‐type protein in a stable dimer and resulting in a loss of chaperone‐like activity. Our results underline the relevance of identifying rare but pathogenic variations in sporadic neurodegenerative diseases, suggesting a possible correlation between specific pathomechanisms linked to HSPB1 mutations and the associated neurological phenotype. Our study provides additional lines of evidence to support the involvement of HSPB1 in the pathogenesis of sporadic ALS.
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Affiliation(s)
- Simona Capponi
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, Section of Medical Genetics, University of Genoa, Genoa, Italy.,VIB Department of Molecular Genetics, Peripheral Neuropathy Group, Born Bunge Foundation, University of Antwerp, Antwerp, Belgium
| | - Thomas Geuens
- VIB Department of Molecular Genetics, Peripheral Neuropathy Group, Born Bunge Foundation, University of Antwerp, Antwerp, Belgium
| | - Alessandro Geroldi
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, Section of Medical Genetics, University of Genoa, Genoa, Italy
| | - Paola Origone
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, Section of Medical Genetics, University of Genoa, Genoa, Italy.,COU Medical Genetics, IRCCS AOU San Martino IST-Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | | | - Elena Cichero
- Section of Medicinal Chemistry, Department of Pharmacy, School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa, Italy
| | - Elias Adriaenssens
- VIB Department of Molecular Genetics, Peripheral Neuropathy Group, Born Bunge Foundation, University of Antwerp, Antwerp, Belgium
| | - Vicky De Winter
- VIB Department of Molecular Genetics, Peripheral Neuropathy Group, Born Bunge Foundation, University of Antwerp, Antwerp, Belgium
| | - Monica Bandettini di Poggio
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health, IRCCS AOU San Martino-IST Istituto Nazionale per la Ricerca sul Cancro, University of Genova, Genoa, Italy
| | - Marco Barberis
- Rita Levi Montalcini Department of Neuroscience, University of Turin, Turin, Italy.,Laboratory of Molecular Genetics, Azienda Ospedaliero Universitaria Città della Salute e della Scienza di Torino, Turin, Italy
| | - Adriano Chiò
- Rita Levi Montalcini Department of Neuroscience, University of Turin, Turin, Italy.,Azienda Ospedaliero Universitaria Città della Salute e della Scienza, Turin, Italy
| | - Paola Fossa
- Section of Medicinal Chemistry, Department of Pharmacy, School of Medical and Pharmaceutical Sciences, University of Genoa, Genoa, Italy
| | - Paola Mandich
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, Section of Medical Genetics, University of Genoa, Genoa, Italy.,COU Medical Genetics, IRCCS AOU San Martino IST-Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Emilia Bellone
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal and Child Health, Section of Medical Genetics, University of Genoa, Genoa, Italy.,COU Medical Genetics, IRCCS AOU San Martino IST-Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
| | - Vincent Timmerman
- VIB Department of Molecular Genetics, Peripheral Neuropathy Group, Born Bunge Foundation, University of Antwerp, Antwerp, Belgium.
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Burrell JR, Halliday GM, Kril JJ, Ittner LM, Götz J, Kiernan MC, Hodges JR. The frontotemporal dementia-motor neuron disease continuum. Lancet 2016; 388:919-31. [PMID: 26987909 DOI: 10.1016/s0140-6736(16)00737-6] [Citation(s) in RCA: 246] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Early reports of cognitive and behavioural deficits in motor neuron disease might have been overlooked initially, but the concept of a frontotemporal dementia-motor neuron disease continuum has emerged during the past decade. Frontotemporal dementia-motor neuron disease is now recognised as an important dementia syndrome, which presents substantial challenges for diagnosis and management. Frontotemporal dementia, motor neuron disease, and frontotemporal dementia-motor neuron disease are characterised by overlapping patterns of TAR DNA binding protein (TDP-43) pathology, while the chromosome 9 open reading frame 72 (C9orf72) repeat expansion is common across the disease spectrum. Indeed, the C9orf72 repeat expansion provides important clues to disease pathogenesis and suggests potential therapeutic targets. Variable diagnostic criteria identify motor, cognitive, and behavioural deficits, but further refinement is needed to define the clinical syndromes encountered in frontotemporal dementia-motor neuron disease.
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Affiliation(s)
- James R Burrell
- Neuroscience Research Australia, Sydney, NSW, Australia; Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Glenda M Halliday
- Neuroscience Research Australia, Sydney, NSW, Australia; Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Jillian J Kril
- Disciplines of Medicine and Pathology, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Lars M Ittner
- Neuroscience Research Australia, Sydney, NSW, Australia; Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia
| | - Jürgen Götz
- Clem Jones Centre for Ageing Dementia Research, Queensland Brain Institute, University of Queensland, Brisbane, QLD, Australia
| | - Matthew C Kiernan
- Neuroscience Research Australia, Sydney, NSW, Australia; Brain and Mind Centre, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - John R Hodges
- Neuroscience Research Australia, Sydney, NSW, Australia; Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia.
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Hobson EV, McDermott CJ. Supportive and symptomatic management of amyotrophic lateral sclerosis. Nat Rev Neurol 2016; 12:526-38. [PMID: 27514291 DOI: 10.1038/nrneurol.2016.111] [Citation(s) in RCA: 98] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The main aims in the care of individuals with amyotrophic lateral sclerosis (ALS) are to minimize morbidity and maximize quality of life. Although no cure exists for ALS, supportive and symptomatic care provided by a specialist multidisciplinary team can improve survival. The basis for supportive management is shifting from expert consensus guidelines towards an evidence-based approach, which encourages the use of effective treatments and could reduce the risk of harm caused by ineffective or unsafe interventions. For example, respiratory support using noninvasive ventilation has been demonstrated to improve survival and quality of life, whereas evidence supporting other respiratory interventions is insufficient. Increasing evidence implicates a causal role for metabolic dysfunction in ALS, suggesting that optimizing nutrition could improve quality of life and survival. The high incidence of cognitive dysfunction and its impact on prognosis is increasingly recognized, although evidence for effective treatments is lacking. A variety of strategies are used to manage the other physical and psychological symptoms, the majority of which have yet to be thoroughly evaluated. The need for specialist palliative care throughout the disease is increasingly recognized. This Review describes the current approaches to symptomatic and supportive care in ALS and outlines the current guidance and evidence for these strategies.
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Affiliation(s)
- Esther V Hobson
- Sheffield Institute for Translational Neuroscience, University of Sheffield, 385a Glossop Rd, Sheffield, S10 2HQ, UK
| | - Christopher J McDermott
- Sheffield Institute for Translational Neuroscience, University of Sheffield, 385a Glossop Rd, Sheffield, S10 2HQ, UK
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Lacorte E, Ferrigno L, Leoncini E, Corbo M, Boccia S, Vanacore N. Physical activity, and physical activity related to sports, leisure and occupational activity as risk factors for ALS: A systematic review. Neurosci Biobehav Rev 2016; 66:61-79. [PMID: 27108217 DOI: 10.1016/j.neubiorev.2016.04.007] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2015] [Revised: 04/08/2016] [Accepted: 04/12/2016] [Indexed: 10/21/2022]
Abstract
BACKGROUND Amyotrophic lateral sclerosis (ALS) is considered a multifactorial, multisystem neurodegenerative disease due to an interaction between environmental and genetic factors. This systematic review aims at gathering all available evidence on the association between physical activity (PA) and the risk of ALS. METHODS Relevant literature published up to January 2015 was gathered through structured searches on Medline, The Cochrane Library, and the ISI Web of Science databases. Studies considering any type of PA as the main exposure and a diagnosis of ALS or motor neuron disease were selected. Data were extracted in standardized forms, and the quality of included studies was assessed using the Newcastle-Ottawa Scale (NOS). RESULTS Bibliographic searches yielded 3168 records. Nineteen case control studies and 7 cohort studies met the inclusion criteria, and were included in the analysis. Evidence on cumulative measures of PA as a risk factor for ALS remain inconclusive. However, cohort studies report a significantly higher number of cases of ALS in professional soccer and American football players, and a slightly increased risk of ALS in varsity athletes.
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Affiliation(s)
- Eleonora Lacorte
- National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, via Giano della Bella 34, 00162 Rome, Italy.
| | - Luigina Ferrigno
- National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, via Giano della Bella 34, 00162 Rome, Italy.
| | - Emanuele Leoncini
- Institute of Public Health, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Massimo Corbo
- Department of Neurorehabilitation Sciences, Casa Cura Policlinico (CCP), Via Giuseppe Dezza, 48, 20144, Milan, Italy.
| | - Stefania Boccia
- Institute of Public Health, Università Cattolica del Sacro Cuore, Largo Agostino Gemelli, 8, 00168 Rome, Italy.
| | - Nicola Vanacore
- National Center for Epidemiology, Surveillance and Health Promotion, National Institute of Health, via Giano della Bella 34, 00162 Rome, Italy.
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Cui B, Cui L, Gao J, Liu M, Li X, Liu C, Ma J, Fang J. Cognitive Impairment in Chinese Patients with Sporadic Amyotrophic Lateral Sclerosis. PLoS One 2015; 10:e0137921. [PMID: 26367133 PMCID: PMC4569418 DOI: 10.1371/journal.pone.0137921] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 08/23/2015] [Indexed: 12/20/2022] Open
Abstract
Background It has reached a consensus that patients with amyotrophic lateral sclerosis (ALS) could display cognitive impairment characterized by executive dysfunction or even dementia, but cognitive spectrum of Chinese patients with ALS still waits to be documented. Methods A total of 106 incident patients with sporadic ALS were enrolled and comprehensive neuropsychological tests covering memory, executive function, attention, language, and visuospatial function were administered to them. Neuropsychological performances of 76 age- and education- matched healthy controls were used for the purpose of classification and comparison. Results 106 patients were categorized into 4 subtypes:84 (79.2%) ALS with normal cognition (ALS-NC), 12 (11.3%) ALS with executive cognitive impairment (ALS-ECI), 5 (4.7%) ALS with non-executive cognitive impairment (ALS-NECI), and 5 (4.7%) ALS with frontotemporal lobe degeneration (ALS-FTLD). Under the same criteria, 2 (2.6%) and 1 (1.3%) healthy controls were diagnosed as ECI and NECI, respectively. The proportion of ECI was significantly higher in non-demented ALS than that in healthy controls, but it was not for NECI. Patients with ALS-FTLD had significantly severer bulbar function and older age than those with ALS-NC. Conclusion Comorbid FTLD occurred in around 5% of Chinese sporadic ALS cases. Different genetic background and unique age distribution of Chinese ALS patients might be the reasons for the relatively low rate of comorbid FTLD. Cognitive dysfunction, predominant but not exclusive in executive area, was present in around 16% of non-demented ALS patients.
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Affiliation(s)
- Bo Cui
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Liying Cui
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
- Neurosciences Center, Chinese Academy of Medical Sciences, Beijing, China
- * E-mail:
| | - Jing Gao
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Mingsheng Liu
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Xiaoguang Li
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Caiyan Liu
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Junfang Ma
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
| | - Jia Fang
- Department of Neurology, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing, China
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Mancuso R, Navarro X. Amyotrophic lateral sclerosis: Current perspectives from basic research to the clinic. Prog Neurobiol 2015; 133:1-26. [PMID: 26253783 DOI: 10.1016/j.pneurobio.2015.07.004] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 07/30/2015] [Accepted: 07/31/2015] [Indexed: 02/07/2023]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease characterized by progressive degeneration of upper and lower motoneurons, leading to muscle weakness and paralysis, and finally death. Considerable recent advances have been made in basic research and preclinical therapeutic attempts using experimental models, leading to increasing clinical and translational research in the context of this disease. In this review we aim to summarize the most relevant findings from a variety of aspects about ALS, including evaluation methods, animal models, pathophysiology, and clinical findings, with particular emphasis in understanding the role of every contributing mechanism to the disease for elucidating the causes underlying degeneration of motoneurons and the development of new therapeutic strategies.
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Affiliation(s)
- Renzo Mancuso
- Institute of Neurosciences and Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Bellaterra, Spain
| | - Xavier Navarro
- Institute of Neurosciences and Department of Cell Biology, Physiology and Immunology, Universitat Autònoma de Barcelona, and Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Bellaterra, Spain.
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Pupillo E, Bianchi E, Messina P, Chiveri L, Lunetta C, Corbo M, Filosto M, Lorusso L, Marin B, Mandrioli J, Riva N, Sasanelli F, Tremolizzo L, Beghi E. Extrapyramidal and cognitive signs in amyotrophic lateral sclerosis: A population based cross-sectional study. Amyotroph Lateral Scler Frontotemporal Degener 2015; 16:324-30. [DOI: 10.3109/21678421.2015.1040028] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Irwin DJ, Cairns NJ, Grossman M, McMillan CT, Lee EB, Van Deerlin VM, Lee VMY, Trojanowski JQ. Frontotemporal lobar degeneration: defining phenotypic diversity through personalized medicine. Acta Neuropathol 2015; 129:469-91. [PMID: 25549971 PMCID: PMC4369168 DOI: 10.1007/s00401-014-1380-1] [Citation(s) in RCA: 199] [Impact Index Per Article: 22.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Revised: 12/18/2014] [Accepted: 12/20/2014] [Indexed: 12/11/2022]
Abstract
Frontotemporal lobar degeneration (FTLD) comprises two main classes of neurodegenerative diseases characterized by neuronal/glial proteinaceous inclusions (i.e., proteinopathies) including tauopathies (i.e., FTLD-Tau) and TDP-43 proteinopathies (i.e., FTLD-TDP) while other very rare forms of FTLD are known such as FTLD with FUS pathology (FTLD-FUS). This review focuses mainly on FTLD-Tau and FLTD-TDP, which may present as several clinical syndromes: a behavioral/dysexecutive syndrome (behavioral variant frontotemporal dementia); language disorders (primary progressive aphasia variants); and motor disorders (amyotrophic lateral sclerosis, corticobasal syndrome, progressive supranuclear palsy syndrome). There is considerable heterogeneity in clinical presentations of underlying neuropathology and current clinical criteria do not reliably predict underlying proteinopathies ante-mortem. In contrast, molecular etiologies of hereditary FTLD are consistently associated with specific proteinopathies. These include MAPT mutations with FTLD-Tau and GRN, C9orf72, VCP and TARDBP with FTLD-TDP. The last decade has seen a rapid expansion in our knowledge of the molecular pathologies associated with this clinically and neuropathologically heterogeneous group of FTLD diseases. Moreover, in view of current limitations to reliably diagnose specific FTLD neuropathologies prior to autopsy, we summarize the current state of the science in FTLD biomarker research including neuroimaging, biofluid and genetic analyses. We propose that combining several of these biomarker modalities will improve diagnostic specificity in FTLD through a personalized medicine approach. The goals of these efforts are to enhance power for clinical trials focused on slowing or preventing progression of spread of tau, TDP-43 and other FTLD-associated pathologies and work toward the goal of defining clinical endophenotypes of FTD.
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Affiliation(s)
- David J Irwin
- Center for Neurodegenerative Disease Research Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
- Penn Frontotemporal Degeneration Center, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Nigel J. Cairns
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Murray Grossman
- Penn Frontotemporal Degeneration Center, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Corey T. McMillan
- Penn Frontotemporal Degeneration Center, Department of Neurology, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Edward B. Lee
- Translational Neuropathology Research Laboratory, Department of Pathology and Laboratory Medicine Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Vivianna M. Van Deerlin
- Center for Neurodegenerative Disease Research Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Virginia M.-Y. Lee
- Center for Neurodegenerative Disease Research Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - John Q. Trojanowski
- Center for Neurodegenerative Disease Research Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
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ALS-Plus — Where does it begin, where does it end? J Neurol Sci 2014; 345:1-2. [DOI: 10.1016/j.jns.2014.07.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2014] [Accepted: 07/10/2014] [Indexed: 11/18/2022]
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Abstract
BACKGROUND Primary progressive aphasia (PPA) is a progressive disorder of language that is increasingly recognised as an important presentation of a specific spectrum of neurodegenerative conditions. AIMS In an era of etiologically specific treatments for neurodegenerative conditions, it is crucial to establish the histopathologic basis for PPA. In this review, I discuss biomarkers for identifying the pathology underlying PPA. MAIN CONTRIBUTION Clinical syndromes suggest a probabilistic association between a specific PPA variant and an underlying pathology, but there are also many exceptions. A considerable body of work with biomarkers is now emerging as an important addition to clinical diagnosis. I review genetic, neuroimaging and biofluid studies that can help determine the pathologic basis for PPA. CONCLUSIONS Together with careful clinical examination, there is great promise that supplemental biomarker assessments will lead to accurate diagnosis of the pathology associated with PPA during life and serve as the basis for clinical trials in this spectrum of disease.
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Affiliation(s)
- Murray Grossman
- Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
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