巴松基因突变的进行性核上性麻痹病理研究。

IF 1.3 4区 医学 Q4 CLINICAL NEUROLOGY
Neuropathology Pub Date : 2024-10-31 DOI:10.1111/neup.13009
Masahiro Wakita, Hiroaki Yaguchi, Mika Otuski, Satoshi Tanikawa, Yasuo Miki, Ikuko Aiba, Mari Yoshida, Taichi Nomura, Hisashi Uwatoko, Yasunori Mito, Kazuyoshi Sinpo, Takeshi Ikeuchi, Shinya Tanaka, Koichi Wakabayashi, Ichiro Yabe
{"title":"巴松基因突变的进行性核上性麻痹病理研究。","authors":"Masahiro Wakita, Hiroaki Yaguchi, Mika Otuski, Satoshi Tanikawa, Yasuo Miki, Ikuko Aiba, Mari Yoshida, Taichi Nomura, Hisashi Uwatoko, Yasunori Mito, Kazuyoshi Sinpo, Takeshi Ikeuchi, Shinya Tanaka, Koichi Wakabayashi, Ichiro Yabe","doi":"10.1111/neup.13009","DOIUrl":null,"url":null,"abstract":"<p><p>Clinical diagnosis of progressive supranuclear palsy (PSP) is difficult due to various phenotypes. Neuropathologically, PSP is defined by neuronal loss in the basal ganglia and brainstem with widespread occurrence of neurofibrillary tangles (NFTs) and accumulation of phosphorylated tau protein in neurons and glial cells in the brain. We previously identified the point mutation p.Pro3866Ala in the Bassoon (BSN) gene in a Japanese family with PSP-like syndrome. We newly detected BSN mutations in two autopsied PSP cases carrying p.Thr2542Met and p.Glu2759Gly, respectively. The case with p.Thr2542Met mutation showed neurological symptoms including behavioral abnormalities, cognitive dysfunction, and parkinsonism. Brain magnetic resonance imaging (MRI) showed atrophy of the midbrain tegmentum and hippocampus. Pathologically, moderate to severe loss of neurons with gliosis was also found in the substantia nigra, and there was an almost complete loss of neurons with gliosis in the transitional zone of the cornu ammonis (CA) 1 region to the subiculum. NFTs were observed in the globus pallidus, subthalamic nucleus, substantia nigra, and CA1. 4R tau-dominant tauopathy was detected. The case with p.Glu2759Gly mutation showed neurological symptoms, including right-dominant motor impairment, right limping gait, postural instability, and cognitive dysfunction. Brain MRI showed mild atrophy of the midbrain tegmentum and left-dominant parietal lobe atrophy. Pathologically, NFTs were detected in the globus pallidus, subthalamic nucleus, substantia nigra, thalamus, putamen, and brainstem tegmentum. Most neurons were immunopositive for four-repeat tau, whereas only a few of them harbored three-repeat tau-positive NFTs in the hippocampus. We showed the results of a pathological study of PSP cases with BSN mutations; these were two new cases. The clinical phenotypes were similar to the first case in the point of neurological symptoms. Accumulation of four-repeat tau was dominant. Further autopsies of BSN mutation cases and further elucidation of the molecular biological mechanism are desirable.</p>","PeriodicalId":19204,"journal":{"name":"Neuropathology","volume":" ","pages":""},"PeriodicalIF":1.3000,"publicationDate":"2024-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Pathological study of progressive supranuclear palsy the cases with mutations in Bassoon.\",\"authors\":\"Masahiro Wakita, Hiroaki Yaguchi, Mika Otuski, Satoshi Tanikawa, Yasuo Miki, Ikuko Aiba, Mari Yoshida, Taichi Nomura, Hisashi Uwatoko, Yasunori Mito, Kazuyoshi Sinpo, Takeshi Ikeuchi, Shinya Tanaka, Koichi Wakabayashi, Ichiro Yabe\",\"doi\":\"10.1111/neup.13009\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><p>Clinical diagnosis of progressive supranuclear palsy (PSP) is difficult due to various phenotypes. Neuropathologically, PSP is defined by neuronal loss in the basal ganglia and brainstem with widespread occurrence of neurofibrillary tangles (NFTs) and accumulation of phosphorylated tau protein in neurons and glial cells in the brain. We previously identified the point mutation p.Pro3866Ala in the Bassoon (BSN) gene in a Japanese family with PSP-like syndrome. We newly detected BSN mutations in two autopsied PSP cases carrying p.Thr2542Met and p.Glu2759Gly, respectively. The case with p.Thr2542Met mutation showed neurological symptoms including behavioral abnormalities, cognitive dysfunction, and parkinsonism. Brain magnetic resonance imaging (MRI) showed atrophy of the midbrain tegmentum and hippocampus. Pathologically, moderate to severe loss of neurons with gliosis was also found in the substantia nigra, and there was an almost complete loss of neurons with gliosis in the transitional zone of the cornu ammonis (CA) 1 region to the subiculum. NFTs were observed in the globus pallidus, subthalamic nucleus, substantia nigra, and CA1. 4R tau-dominant tauopathy was detected. The case with p.Glu2759Gly mutation showed neurological symptoms, including right-dominant motor impairment, right limping gait, postural instability, and cognitive dysfunction. Brain MRI showed mild atrophy of the midbrain tegmentum and left-dominant parietal lobe atrophy. Pathologically, NFTs were detected in the globus pallidus, subthalamic nucleus, substantia nigra, thalamus, putamen, and brainstem tegmentum. Most neurons were immunopositive for four-repeat tau, whereas only a few of them harbored three-repeat tau-positive NFTs in the hippocampus. We showed the results of a pathological study of PSP cases with BSN mutations; these were two new cases. The clinical phenotypes were similar to the first case in the point of neurological symptoms. Accumulation of four-repeat tau was dominant. Further autopsies of BSN mutation cases and further elucidation of the molecular biological mechanism are desirable.</p>\",\"PeriodicalId\":19204,\"journal\":{\"name\":\"Neuropathology\",\"volume\":\" \",\"pages\":\"\"},\"PeriodicalIF\":1.3000,\"publicationDate\":\"2024-10-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Neuropathology\",\"FirstCategoryId\":\"3\",\"ListUrlMain\":\"https://doi.org/10.1111/neup.13009\",\"RegionNum\":4,\"RegionCategory\":\"医学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q4\",\"JCRName\":\"CLINICAL NEUROLOGY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Neuropathology","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1111/neup.13009","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
引用次数: 0

摘要

进行性核上性麻痹(PSP)的表型多种多样,临床诊断十分困难。从神经病理学角度看,PSP 的定义是基底节和脑干神经元缺失,脑内神经元和胶质细胞中广泛出现神经纤维缠结(NFT)和磷酸化 tau 蛋白堆积。此前,我们在一个患有 PSP 样综合征的日本家族中发现了巴松(BSN)基因中的点突变 p.Pro3866Ala。我们在两个分别携带 p.Thr2542Met 和 p.Glu2759Gly 的 PSP 尸检病例中新发现了 BSN 基因突变。p.Thr2542Met突变的病例表现出神经系统症状,包括行为异常、认知功能障碍和帕金森病。脑磁共振成像(MRI)显示中脑被盖体和海马出现萎缩。从病理学角度看,黑质中度至重度神经元缺失并伴有胶质细胞增生,从粟丘脑(CA)1区到丘脑下的过渡区神经元几乎完全缺失并伴有胶质细胞增生。在苍白球、丘脑下核、黑质和 CA1 中观察到 NFT。发现了 4R tau-dominant(tau-dominant)tauopathy。p.Glu2759Gly突变的病例表现出神经系统症状,包括右侧运动障碍、右侧跛行步态、姿势不稳定和认知功能障碍。脑磁共振成像显示中脑被盖轻度萎缩,左侧顶叶萎缩。病理上,在苍白球、丘脑下核、黑质、丘脑、普门和脑干被盖中发现了NFT。大多数神经元的四重复tau免疫阳性,而海马中只有少数神经元的三重复tau阳性NFT。我们展示了对BSN突变的PSP病例的病理研究结果;这是两个新病例。在神经症状方面,其临床表型与第一个病例相似。四重复 tau 的累积占主导地位。我们需要对更多的BSN突变病例进行尸检,并进一步阐明其分子生物学机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pathological study of progressive supranuclear palsy the cases with mutations in Bassoon.

Clinical diagnosis of progressive supranuclear palsy (PSP) is difficult due to various phenotypes. Neuropathologically, PSP is defined by neuronal loss in the basal ganglia and brainstem with widespread occurrence of neurofibrillary tangles (NFTs) and accumulation of phosphorylated tau protein in neurons and glial cells in the brain. We previously identified the point mutation p.Pro3866Ala in the Bassoon (BSN) gene in a Japanese family with PSP-like syndrome. We newly detected BSN mutations in two autopsied PSP cases carrying p.Thr2542Met and p.Glu2759Gly, respectively. The case with p.Thr2542Met mutation showed neurological symptoms including behavioral abnormalities, cognitive dysfunction, and parkinsonism. Brain magnetic resonance imaging (MRI) showed atrophy of the midbrain tegmentum and hippocampus. Pathologically, moderate to severe loss of neurons with gliosis was also found in the substantia nigra, and there was an almost complete loss of neurons with gliosis in the transitional zone of the cornu ammonis (CA) 1 region to the subiculum. NFTs were observed in the globus pallidus, subthalamic nucleus, substantia nigra, and CA1. 4R tau-dominant tauopathy was detected. The case with p.Glu2759Gly mutation showed neurological symptoms, including right-dominant motor impairment, right limping gait, postural instability, and cognitive dysfunction. Brain MRI showed mild atrophy of the midbrain tegmentum and left-dominant parietal lobe atrophy. Pathologically, NFTs were detected in the globus pallidus, subthalamic nucleus, substantia nigra, thalamus, putamen, and brainstem tegmentum. Most neurons were immunopositive for four-repeat tau, whereas only a few of them harbored three-repeat tau-positive NFTs in the hippocampus. We showed the results of a pathological study of PSP cases with BSN mutations; these were two new cases. The clinical phenotypes were similar to the first case in the point of neurological symptoms. Accumulation of four-repeat tau was dominant. Further autopsies of BSN mutation cases and further elucidation of the molecular biological mechanism are desirable.

求助全文
通过发布文献求助,成功后即可免费获取论文全文。 去求助
来源期刊
Neuropathology
Neuropathology 医学-病理学
CiteScore
4.10
自引率
4.30%
发文量
105
审稿时长
6-12 weeks
期刊介绍: Neuropathology is an international journal sponsored by the Japanese Society of Neuropathology and publishes peer-reviewed original papers dealing with all aspects of human and experimental neuropathology and related fields of research. The Journal aims to promote the international exchange of results and encourages authors from all countries to submit papers in the following categories: Original Articles, Case Reports, Short Communications, Occasional Reviews, Editorials and Letters to the Editor. All articles are peer-reviewed by at least two researchers expert in the field of the submitted paper.
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信