Polyglutamine Ataxias in Denmark: Incidence and Relative Frequencies of SCA1, 2, 3, 6, 7, 17 and DRPLA in a Nationwide Cohort.

IF 2.7 3区 医学 Q3 NEUROSCIENCES Cerebellum Pub Date : 2025-03-14 DOI:10.1007/s12311-025-01815-0
Rosa Dam Waerling, Jenny Blechingberg, Jesper Kayser, Suzanne Granhøj Lindquist, Tua Vinther-Jensen, Jørgen Erik Nielsen, Morten Duno
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Abstract

Polyglutamine ataxias are autosomal dominantly inherited neurodegenerative disorders in which the molecular aetiology is an expanded CAG glutamine-encoding repeat in the causative genes. At present, there is no effective treatment, but there are several ongoing trials addressing polyglutamine disorders increasing the need of knowledge about prevalence and relative frequencies of the different subtypes. To identify all individuals with genetically confirmed polyglutamine ataxia in Denmark, determine frequency of subtypes and estimate the incidences. Retrospective data on all clinical tests performed on polyglutamine ataxias in Denmark during the last 15 years. 215 individuals with alleles in the full penetrant pathogenic range of polyglutamine ataxia genes were identified. The most frequent polyglutamine ataxia in Denmark was SCA6 which accounts for 42% of the identified individuals, followed by SCA2 and SCA3 which both account for approximately 20% each. Incidence rates were calculated. The study reveals the subtype distribution and incidence of polyglutamine ataxias in Denmark, priming the Danish cohort for future clinical trials as developments in the treatment of polyglutamine ataxia advances.

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丹麦的多谷氨酰胺共济失调症:全国队列中 SCA1、2、3、6、7、17 和 DRPLA 的发病率和相对频率。
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来源期刊
Cerebellum
Cerebellum 医学-神经科学
CiteScore
6.40
自引率
14.30%
发文量
150
审稿时长
4-8 weeks
期刊介绍: Official publication of the Society for Research on the Cerebellum devoted to genetics of cerebellar ataxias, role of cerebellum in motor control and cognitive function, and amid an ageing population, diseases associated with cerebellar dysfunction. The Cerebellum is a central source for the latest developments in fundamental neurosciences including molecular and cellular biology; behavioural neurosciences and neurochemistry; genetics; fundamental and clinical neurophysiology; neurology and neuropathology; cognition and neuroimaging. The Cerebellum benefits neuroscientists in molecular and cellular biology; neurophysiologists; researchers in neurotransmission; neurologists; radiologists; paediatricians; neuropsychologists; students of neurology and psychiatry and others.
期刊最新文献
Tremulous SCA3: The Complex Connection between the Cerebellum and Basal Ganglia. Polyglutamine Ataxias in Denmark: Incidence and Relative Frequencies of SCA1, 2, 3, 6, 7, 17 and DRPLA in a Nationwide Cohort. CAG Repeat Instability and Region-Specific Gene Expression Changes in the SCA12 Brain. Autosomal Recessive Ataxias in Northeast Brazil: A Regional Multicenter Case Series. Update on Clinical Physiology and Pathomechanisms for Vestibulo-Autonomic Interplay.
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