Neuropathology of spinocerebellar ataxia type 8: Common features and unique tauopathy
Spinocerebellar ataxia type 8 (SCA8) is a neurodegenerative condition that presents with several neurological symptoms, such as cerebellar ataxia, parkinsonism, and cognitive impairment. It is caused by a CTA/CTG repeat expansion on chromosome 13q21 (ataxin 8 opposite strand [ATXN8OS]). However, the...
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| Veröffentlicht in: | Neuropathology 2023-10, Vol.43 (5), p.351-361 |
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| creator | Yonenobu, Yuki Beck, Goichi Kido, Kansuke Maeda, Norihisa Yamashita, Rika Inoue, Kimiko Saito, Yuko Hasegawa, Masato Ito, Hidefumi Hasegawa, Kazuko Morii, Eiichi Iwaki, Toru Murayama, Shigeo Mochizuki, Hideki |
| description | Spinocerebellar ataxia type 8 (SCA8) is a neurodegenerative condition that presents with several neurological symptoms, such as cerebellar ataxia, parkinsonism, and cognitive impairment. It is caused by a CTA/CTG repeat expansion on chromosome 13q21 (ataxin 8 opposite strand [ATXN8OS]). However, the pathological significance of this expansion remains unclear. Moreover, abnormal CTA/CTG repeat expansions in ATXN8OS have also been reported in other neurodegenerative diseases, including progressive supranuclear palsy. In this study, we analyzed all available autopsy cases in Japan to investigate common pathological features and profiles of tau pathology in each case. Severe neuronal loss in the substantia nigra and prominent loss of Purkinje cells, atrophy of the molecular layer, and proliferation of Bergmann glia in the cerebellum were common features. Regarding tauopathy, one case presented with progressive supranuclear palsy-like 4-repeat tauopathy in addition to mild Alzheimer-type 3- and 4-repeat tauopathy. Another case showed 3- and 4-repeat tauopathy accentuated in the brainstem. The other two cases lacked tauopathy after extensive immunohistochemical studies. The present study confirmed common pathological features of SCA8 as degeneration of the substantia nigra in addition to the cerebellum. Our study also confirmed unique tauopathy in two of four cases, indicating the necessity to further collect autopsy cases. |
| doi_str_mv | 10.1111/neup.12894 |
| format | Article |
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It is caused by a CTA/CTG repeat expansion on chromosome 13q21 (ataxin 8 opposite strand [ATXN8OS]). However, the pathological significance of this expansion remains unclear. Moreover, abnormal CTA/CTG repeat expansions in ATXN8OS have also been reported in other neurodegenerative diseases, including progressive supranuclear palsy. In this study, we analyzed all available autopsy cases in Japan to investigate common pathological features and profiles of tau pathology in each case. Severe neuronal loss in the substantia nigra and prominent loss of Purkinje cells, atrophy of the molecular layer, and proliferation of Bergmann glia in the cerebellum were common features. Regarding tauopathy, one case presented with progressive supranuclear palsy-like 4-repeat tauopathy in addition to mild Alzheimer-type 3- and 4-repeat tauopathy. Another case showed 3- and 4-repeat tauopathy accentuated in the brainstem. The other two cases lacked tauopathy after extensive immunohistochemical studies. The present study confirmed common pathological features of SCA8 as degeneration of the substantia nigra in addition to the cerebellum. Our study also confirmed unique tauopathy in two of four cases, indicating the necessity to further collect autopsy cases.</description><identifier>ISSN: 0919-6544</identifier><identifier>EISSN: 1440-1789</identifier><identifier>DOI: 10.1111/neup.12894</identifier><identifier>PMID: 36703300</identifier><language>eng</language><publisher>Australia: Wiley Subscription Services, Inc</publisher><subject>Ataxia ; Ataxin ; Atrophy ; Autopsies ; Autopsy ; Basal ganglia ; Brain stem ; Cell proliferation ; Central nervous system diseases ; Cerebellar ataxia ; Cerebellum ; Chromosome 13 ; Cognitive ability ; Movement disorders ; Neurodegeneration ; Neurodegenerative diseases ; Paralysis ; Progressive supranuclear palsy ; Purkinje cells ; Spinocerebellar ataxia ; Substantia nigra ; Tau protein</subject><ispartof>Neuropathology, 2023-10, Vol.43 (5), p.351-361</ispartof><rights>2023 Japanese Society of Neuropathology.</rights><rights>2023 Japanese Society of Neuropathology</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c381t-4ee3ae9eaf8a3b38aab32a5cd19f940ceb3c947774349d9644bf8c8d03d138563</citedby><cites>FETCH-LOGICAL-c381t-4ee3ae9eaf8a3b38aab32a5cd19f940ceb3c947774349d9644bf8c8d03d138563</cites><orcidid>0000-0001-8890-2743 ; 0000-0002-9039-2495 ; 0000-0001-7415-8159 ; 0000-0001-9709-5242 ; 0000-0002-0874-7542</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/36703300$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Yonenobu, Yuki</creatorcontrib><creatorcontrib>Beck, Goichi</creatorcontrib><creatorcontrib>Kido, Kansuke</creatorcontrib><creatorcontrib>Maeda, Norihisa</creatorcontrib><creatorcontrib>Yamashita, Rika</creatorcontrib><creatorcontrib>Inoue, Kimiko</creatorcontrib><creatorcontrib>Saito, Yuko</creatorcontrib><creatorcontrib>Hasegawa, Masato</creatorcontrib><creatorcontrib>Ito, Hidefumi</creatorcontrib><creatorcontrib>Hasegawa, Kazuko</creatorcontrib><creatorcontrib>Morii, Eiichi</creatorcontrib><creatorcontrib>Iwaki, Toru</creatorcontrib><creatorcontrib>Murayama, Shigeo</creatorcontrib><creatorcontrib>Mochizuki, Hideki</creatorcontrib><title>Neuropathology of spinocerebellar ataxia type 8: Common features and unique tauopathy</title><title>Neuropathology</title><addtitle>Neuropathology</addtitle><description>Spinocerebellar ataxia type 8 (SCA8) is a neurodegenerative condition that presents with several neurological symptoms, such as cerebellar ataxia, parkinsonism, and cognitive impairment. 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The present study confirmed common pathological features of SCA8 as degeneration of the substantia nigra in addition to the cerebellum. Our study also confirmed unique tauopathy in two of four cases, indicating the necessity to further collect autopsy cases.</description><subject>Ataxia</subject><subject>Ataxin</subject><subject>Atrophy</subject><subject>Autopsies</subject><subject>Autopsy</subject><subject>Basal ganglia</subject><subject>Brain stem</subject><subject>Cell proliferation</subject><subject>Central nervous system diseases</subject><subject>Cerebellar ataxia</subject><subject>Cerebellum</subject><subject>Chromosome 13</subject><subject>Cognitive ability</subject><subject>Movement disorders</subject><subject>Neurodegeneration</subject><subject>Neurodegenerative diseases</subject><subject>Paralysis</subject><subject>Progressive supranuclear palsy</subject><subject>Purkinje cells</subject><subject>Spinocerebellar ataxia</subject><subject>Substantia nigra</subject><subject>Tau protein</subject><issn>0919-6544</issn><issn>1440-1789</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpdkE9LwzAYh4Mobk4vfgAJeBGhM2nSJvEmw38w9OLOIU3fasfa1KQB--3t5vTge3kvDw8_HoTOKZnT8W5aiN2cplLxAzSlnJOECqkO0ZQoqpI843yCTkJYE0KFSuUxmrBcEMYImaLVC0TvOtN_uI17H7CrcOjq1lnwUMBmYzw2vfmqDe6HDrC8xQvXNK7FFZg-egjYtCWObf0ZAfcm7lTDKTqqzCbA2f7P0Orh_m3xlCxfH58Xd8vEMkn7hAMwAwpMJQ0rmDSmYKnJbElVpTixUDCruBCCM65KlXNeVNLKkrCSMpnlbIaufrydd-OA0OumDnY7uwUXg06FIJSKjPIRvfyHrl307bhOp1IQoaTIspG6_qGsdyF4qHTn68b4QVOit7H1NrbexR7hi70yFg2Uf-hvXfYNIn564g</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>Yonenobu, Yuki</creator><creator>Beck, Goichi</creator><creator>Kido, Kansuke</creator><creator>Maeda, Norihisa</creator><creator>Yamashita, Rika</creator><creator>Inoue, Kimiko</creator><creator>Saito, Yuko</creator><creator>Hasegawa, Masato</creator><creator>Ito, Hidefumi</creator><creator>Hasegawa, Kazuko</creator><creator>Morii, Eiichi</creator><creator>Iwaki, Toru</creator><creator>Murayama, Shigeo</creator><creator>Mochizuki, Hideki</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TK</scope><scope>K9.</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-8890-2743</orcidid><orcidid>https://orcid.org/0000-0002-9039-2495</orcidid><orcidid>https://orcid.org/0000-0001-7415-8159</orcidid><orcidid>https://orcid.org/0000-0001-9709-5242</orcidid><orcidid>https://orcid.org/0000-0002-0874-7542</orcidid></search><sort><creationdate>20231001</creationdate><title>Neuropathology of spinocerebellar ataxia type 8: Common features and unique tauopathy</title><author>Yonenobu, Yuki ; Beck, Goichi ; Kido, Kansuke ; Maeda, Norihisa ; Yamashita, Rika ; Inoue, Kimiko ; Saito, Yuko ; Hasegawa, Masato ; Ito, Hidefumi ; Hasegawa, Kazuko ; Morii, Eiichi ; Iwaki, Toru ; Murayama, Shigeo ; Mochizuki, Hideki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c381t-4ee3ae9eaf8a3b38aab32a5cd19f940ceb3c947774349d9644bf8c8d03d138563</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Ataxia</topic><topic>Ataxin</topic><topic>Atrophy</topic><topic>Autopsies</topic><topic>Autopsy</topic><topic>Basal ganglia</topic><topic>Brain stem</topic><topic>Cell proliferation</topic><topic>Central nervous system diseases</topic><topic>Cerebellar ataxia</topic><topic>Cerebellum</topic><topic>Chromosome 13</topic><topic>Cognitive ability</topic><topic>Movement disorders</topic><topic>Neurodegeneration</topic><topic>Neurodegenerative diseases</topic><topic>Paralysis</topic><topic>Progressive supranuclear palsy</topic><topic>Purkinje cells</topic><topic>Spinocerebellar ataxia</topic><topic>Substantia nigra</topic><topic>Tau protein</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yonenobu, Yuki</creatorcontrib><creatorcontrib>Beck, Goichi</creatorcontrib><creatorcontrib>Kido, Kansuke</creatorcontrib><creatorcontrib>Maeda, Norihisa</creatorcontrib><creatorcontrib>Yamashita, Rika</creatorcontrib><creatorcontrib>Inoue, Kimiko</creatorcontrib><creatorcontrib>Saito, Yuko</creatorcontrib><creatorcontrib>Hasegawa, Masato</creatorcontrib><creatorcontrib>Ito, Hidefumi</creatorcontrib><creatorcontrib>Hasegawa, Kazuko</creatorcontrib><creatorcontrib>Morii, Eiichi</creatorcontrib><creatorcontrib>Iwaki, Toru</creatorcontrib><creatorcontrib>Murayama, Shigeo</creatorcontrib><creatorcontrib>Mochizuki, Hideki</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>MEDLINE - Academic</collection><jtitle>Neuropathology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yonenobu, Yuki</au><au>Beck, Goichi</au><au>Kido, Kansuke</au><au>Maeda, Norihisa</au><au>Yamashita, Rika</au><au>Inoue, Kimiko</au><au>Saito, Yuko</au><au>Hasegawa, Masato</au><au>Ito, Hidefumi</au><au>Hasegawa, Kazuko</au><au>Morii, Eiichi</au><au>Iwaki, Toru</au><au>Murayama, Shigeo</au><au>Mochizuki, Hideki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Neuropathology of spinocerebellar ataxia type 8: Common features and unique tauopathy</atitle><jtitle>Neuropathology</jtitle><addtitle>Neuropathology</addtitle><date>2023-10-01</date><risdate>2023</risdate><volume>43</volume><issue>5</issue><spage>351</spage><epage>361</epage><pages>351-361</pages><issn>0919-6544</issn><eissn>1440-1789</eissn><abstract>Spinocerebellar ataxia type 8 (SCA8) is a neurodegenerative condition that presents with several neurological symptoms, such as cerebellar ataxia, parkinsonism, and cognitive impairment. 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| subjects | Ataxia Ataxin Atrophy Autopsies Autopsy Basal ganglia Brain stem Cell proliferation Central nervous system diseases Cerebellar ataxia Cerebellum Chromosome 13 Cognitive ability Movement disorders Neurodegeneration Neurodegenerative diseases Paralysis Progressive supranuclear palsy Purkinje cells Spinocerebellar ataxia Substantia nigra Tau protein |
| title | Neuropathology of spinocerebellar ataxia type 8: Common features and unique tauopathy |
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