Cognitive Dysfunction in Repeat Expansion Diseases: A Review

With the development of the sequencing technique, more than 40 repeat expansion diseases (REDs) have been identified during the past two decades. Moreover, the clinical features of these diseases show some commonality, and the nervous system, especially the cognitive function was affected in part by...

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Main Authors: Sizhe Zhang, Lu Shen, Bin Jiao
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-04-01
Series:Frontiers in Aging Neuroscience
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnagi.2022.841711/full
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author Sizhe Zhang
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
author_facet Sizhe Zhang
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
author_sort Sizhe Zhang
collection DOAJ
description With the development of the sequencing technique, more than 40 repeat expansion diseases (REDs) have been identified during the past two decades. Moreover, the clinical features of these diseases show some commonality, and the nervous system, especially the cognitive function was affected in part by these diseases. However, the specific cognitive domains impaired in different diseases were inconsistent. Here, we survey literature on the cognitive consequences of the following disorders presenting cognitive dysfunction and summarizing the pathogenic genes, epidemiology, and different domains affected by these diseases. We found that the cognitive domains affected in neuronal intranuclear inclusion disease (NIID) were widespread including the executive function, memory, information processing speed, attention, visuospatial function, and language. Patients with C9ORF72-frontotemporal dementia (FTD) showed impairment in executive function, memory, language, and visuospatial function. While in Huntington's disease (HD), the executive function, memory, and information processing speed were affected, in the fragile X-associated tremor/ataxia syndrome (FXTAS), executive function, memory, information processing speed, and attention were impaired. Moreover, the spinocerebellar ataxias showed broad damage in almost all the cognitive domains except for the relatively intact language ability. Some other diseases with relatively rare clinical data also indicated cognitive dysfunction, such as myotonic dystrophy type 1 (DM1), progressive myoclonus epilepsy (PME), Friedreich ataxia (FRDA), Huntington disease like-2 (HDL2), and cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS). We drew a cognitive function landscape of the related REDs that might provide an aspect for differential diagnosis through cognitive domains and effective non-specific interventions for these diseases.
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spelling doaj.art-c578cf21317248c5a529da53ee91b9432022-12-22T03:03:02ZengFrontiers Media S.A.Frontiers in Aging Neuroscience1663-43652022-04-011410.3389/fnagi.2022.841711841711Cognitive Dysfunction in Repeat Expansion Diseases: A ReviewSizhe Zhang0Lu Shen1Lu Shen2Lu Shen3Lu Shen4Lu Shen5Bin Jiao6Bin Jiao7Bin Jiao8Bin Jiao9Bin Jiao10Department of Neurology, Xiangya Hospital, Central South University, Changsha, ChinaDepartment of Neurology, Xiangya Hospital, Central South University, Changsha, ChinaNational Clinical Research Center for Geriatric Disorders, Central South University, Changsha, ChinaEngineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, ChinaHunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, ChinaKey Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, ChinaDepartment of Neurology, Xiangya Hospital, Central South University, Changsha, ChinaNational Clinical Research Center for Geriatric Disorders, Central South University, Changsha, ChinaEngineering Research Center of Hunan Province in Cognitive Impairment Disorders, Central South University, Changsha, ChinaHunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases, Changsha, ChinaKey Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, ChinaWith the development of the sequencing technique, more than 40 repeat expansion diseases (REDs) have been identified during the past two decades. Moreover, the clinical features of these diseases show some commonality, and the nervous system, especially the cognitive function was affected in part by these diseases. However, the specific cognitive domains impaired in different diseases were inconsistent. Here, we survey literature on the cognitive consequences of the following disorders presenting cognitive dysfunction and summarizing the pathogenic genes, epidemiology, and different domains affected by these diseases. We found that the cognitive domains affected in neuronal intranuclear inclusion disease (NIID) were widespread including the executive function, memory, information processing speed, attention, visuospatial function, and language. Patients with C9ORF72-frontotemporal dementia (FTD) showed impairment in executive function, memory, language, and visuospatial function. While in Huntington's disease (HD), the executive function, memory, and information processing speed were affected, in the fragile X-associated tremor/ataxia syndrome (FXTAS), executive function, memory, information processing speed, and attention were impaired. Moreover, the spinocerebellar ataxias showed broad damage in almost all the cognitive domains except for the relatively intact language ability. Some other diseases with relatively rare clinical data also indicated cognitive dysfunction, such as myotonic dystrophy type 1 (DM1), progressive myoclonus epilepsy (PME), Friedreich ataxia (FRDA), Huntington disease like-2 (HDL2), and cerebellar ataxia, neuropathy, vestibular areflexia syndrome (CANVAS). We drew a cognitive function landscape of the related REDs that might provide an aspect for differential diagnosis through cognitive domains and effective non-specific interventions for these diseases.https://www.frontiersin.org/articles/10.3389/fnagi.2022.841711/fullcognitive dysfunctionrepeat expansion diseasesNIIDC9FTDHDFXTAS
spellingShingle Sizhe Zhang
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Lu Shen
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
Bin Jiao
Cognitive Dysfunction in Repeat Expansion Diseases: A Review
Frontiers in Aging Neuroscience
cognitive dysfunction
repeat expansion diseases
NIID
C9FTD
HD
FXTAS
title Cognitive Dysfunction in Repeat Expansion Diseases: A Review
title_full Cognitive Dysfunction in Repeat Expansion Diseases: A Review
title_fullStr Cognitive Dysfunction in Repeat Expansion Diseases: A Review
title_full_unstemmed Cognitive Dysfunction in Repeat Expansion Diseases: A Review
title_short Cognitive Dysfunction in Repeat Expansion Diseases: A Review
title_sort cognitive dysfunction in repeat expansion diseases a review
topic cognitive dysfunction
repeat expansion diseases
NIID
C9FTD
HD
FXTAS
url https://www.frontiersin.org/articles/10.3389/fnagi.2022.841711/full
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