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Neuroimaging and Neurodegeneration. 神经成像与神经退行性变。
IF 3 4区 医学 Q2 Medicine Pub Date : 2023-01-01 Epub Date: 2024-01-31 DOI: 10.1159/000536438
Daniele Botta, Karl-Olof Lövblad
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引用次数: 0
Contents Vol. 21, 2021 目录2021年第21卷
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-07-18 DOI: 10.1159/000525982

Neurodegener Dis 2021;21:I–VI
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引用次数: 0
Acknowledgement to Reviewers 审稿人致谢
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-07-18 DOI: 10.1159/000525916

Neurodegener Dis 2021;21:150
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引用次数: 0
Juvenile-Onset Kufs Disease in a Chinese Consanguineous Family due to CLN6 Mutation CLN6基因突变引起的一个中国血缘家族的幼年发病性库夫斯病
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-05-24 DOI: 10.1159/000524784
Weimin Jia, Yalin Luo, Jiuxiang Wang, Yue Yang, Wenming Yang, Xianqin Zhang
Objective: The aim of this study was to identify the genetic cause of two cases of Kufs disease in the same family. The two affected individuals exhibited different levels of severity under magnetic resonance imaging (MRI). Methods: Whole-exome sequencing was performed on affected individuals, and the candidate gene was confirmed by Sanger sequencing. Western blot analysis was used to evaluate the level of expression of CLN6 protein in 239T cells. Results: We identified a novel homozygous mutation of the CLN6 gene (c.14G>T, p.Arg5Leu) in a consanguineous Chinese family in which two people had Kufs disease. Both patients exhibited seizures and progressive psychomotor decline and mental deterioration without visual impairment. They had different ages of onset, although they carried the same missense mutation. The affected female showed a pronounced abnormal MRI signal in the bilateral hippocampus, while her younger brother only showed a very slight abnormal signal. Further study showed that this missense mutation could decrease the level of expression of CLN6 protein. Conclusions: A novel homozygous mutation of the CLN6 gene was identified, and patients with the same mutation showed different ages of onset and different levels of severity under MRI. Significance: Our study established that the same CLN6 mutation could produce different phenotypes in patients, and it has expanded the mutational and phenotypical spectrum of the CLN6 gene.
目的:探讨同一家族2例库夫斯病的遗传原因。在磁共振成像(MRI)下,两个受影响的个体表现出不同程度的严重程度。方法:对患病个体进行全外显子组测序,Sanger测序确认候选基因。Western blot检测239T细胞中CLN6蛋白的表达水平。结果:我们在两个患有库夫斯病的中国近亲家庭中发现了一种新的CLN6基因纯合突变(c.14G>T, p.Arg5Leu)。两例患者均表现为癫痫发作、进行性精神运动减退和智力退化,无视力损害。他们的发病年龄不同,尽管他们携带了相同的错义突变。患病女性双侧海马MRI异常信号明显,而其弟弟仅表现出非常轻微的异常信号。进一步的研究表明,这种错义突变可以降低CLN6蛋白的表达水平。结论:发现了一种新的CLN6基因纯合突变,具有相同突变的患者在MRI下表现出不同的发病年龄和不同的严重程度。意义:我们的研究确立了同一个CLN6突变在患者中可以产生不同的表型,扩大了CLN6基因的突变和表型谱。
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引用次数: 1
Diagnostic Accuracy of Noun- and Verb-Naming Tasks in Detecting Cognitive Impairment in Parkinson’s Disease 名词和动词命名任务在帕金森病认知障碍诊断中的准确性
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-05-23 DOI: 10.1159/000525195
E. Aiello, Margherita Grosso, Claudia Caracciolo, Adele Andriulo, S. Buscone, Monica Ottobrini, C. Luzzatti
Background: In Parkinson’s disease (PD), verb-naming tasks (VNTs) have been proposed as superior to noun-naming ones in detecting language deficits, although such a hypothesis is not supported at a statistical level. Objectives: The main aim of this study was to provide diagnostic accuracy evidence for a VNT and noun-naming task (NNT) in detecting cognitive impairment (CI) in PD patients. Method: Thirty-three consecutive PD patients were subdivided into participants with (PD-CI; N = 12) or without CI (cognitively unimpaired, PD-CU; N = 21), based on a raw score ≤25 or >25 on the Mini-Mental State Examination, respectively. The NNT and VNT by Neuropsychologia [2006 Jan;44(1):73–89] were administered. Diagnostic accuracy of the NNT and VNT was assessed through receiver-operating characteristics analyses by comparing PD-CU to PD-CI patients. At the optimal cut-off, sensitivity, specificity, positive and negative predictive values (PPV, NPV), and likelihood ratios (LR+, LR−) were separately tested for the NNT and VNT against PD-CU versus PD-CI classification. Results: Diagnostic accuracy was higher for the NNT (AUC = 0.85; p = 0.001) versus the VNT (AUC = 0.68; p = 0.092). Consistently, the NNT yielded higher sensitivity, specificity, and post-test features than the VNT (NNT: sensitivity = 0.75, specificity = 0.81, PPV = 0.69, NPV = 0.85, LR+ = 3.94, LR− = 0.31; VNT: sensitivity = 0.67, specificity = 0.67, PPV = 0.53, NPV = 0.78, LR+ = 2, LR− = 0.5). Conclusions: In accordance with the Movement Disorders Society guidelines, NNTs are diagnostically sound psychometric instruments to discriminate PD patients with versus without CI. However, these findings need replication by (1) employing a gold standard different from the Mini-Mental State Examination, which does not capture the full range of CI in this population and (2) subdividing PD patients into those with mild CI and dementia.
背景:在帕金森病(PD)中,动词命名任务(VNTs)被认为在检测语言缺陷方面优于名词命名任务(VNTs),尽管这一假设在统计水平上没有得到支持。目的:本研究的主要目的是为VNT和名词命名任务(NNT)检测PD患者认知功能障碍(CI)提供诊断准确性证据。方法:33例连续PD患者被细分为PD- ci组;N = 12)或无CI(认知未受损,PD-CU;N = 21),分别基于基本精神状态检查的原始分数≤25分或bb0 25分。采用神经心理学的NNT和VNT量表[2006 Jan;44(1): 73-89]。通过比较PD-CU和PD-CI患者的受者操作特征分析,评估NNT和VNT诊断的准确性。在最佳截止点,分别测试NNT和VNT对PD-CU和PD-CI分类的敏感性、特异性、阳性和阴性预测值(PPV、NPV)和似然比(LR+、LR−)。结果:NNT的诊断准确率较高(AUC = 0.85;p = 0.001)与VNT (AUC = 0.68;P = 0.092)。一致地,NNT比VNT具有更高的敏感性、特异性和测试后特征(NNT:敏感性= 0.75,特异性= 0.81,PPV = 0.69, NPV = 0.85, LR+ = 3.94, LR−= 0.31;VNT:敏感性= 0.67,特异性= 0.67,PPV = 0.53, NPV = 0.78, LR+ = 2, LR−= 0.5)。结论:根据运动障碍学会的指南,nnt是一种诊断可靠的心理测量工具,可以区分PD患者是否有CI。然而,这些发现需要通过(1)采用不同于迷你精神状态检查的金标准来复制,该标准不能捕获该人群中CI的全部范围;(2)将PD患者细分为轻度CI和痴呆。
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引用次数: 3
Distribution Changes of Neural Precursor Cells in the Brain Stem of Tg(SOD1*G93A)1Gur Mice Tg(SOD1*G93A)1Gur小鼠脑干神经前体细胞的分布变化
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-05-18 DOI: 10.1159/000525124
Xiaoping Shen, Chunyan Tang, Qin Kang, Yu Zhu, Shengyuan Xu, Jianxiang Jiang, Renshi Xu
Objectives: The alteration of vimentin-containing cells (VCCs) proliferation, differentiation, and migration in the brain stem of amyotrophic lateral sclerosis (ALS)-like transgenic mice (Tg(SOD1*G93A)1Gur mice) (TG mice) and wild-type mice (WT mice) at the different disease stages of TG mice was studied in this study. The aims of this study were to investigate the change features of proliferation, differentiation, and migration of endogenous neural precursor cells (NPCs) and to explore the potential effects of NPCs on restoring degenerated neurons in ALS. Methods: The proliferation, differentiation, and migration of VCCs in both different anatomic regions and neural cells of brain stem at the different stages including pre-onset (60–70 days), onset (90–100 days), and progression (120–130 days) stages of TG mice and in WT mice (control) were examined using the immunofluorescence technology. Results: VCCs were mainly distributed in the around (peripheral) central canal (CC) and the nuclei of brain stem in adult WT mice. VCCs proliferated and differentiated into astrocytes and directionally migrated from the around CC to the nuclei of brain stem, and then to the ventral part of damaged regions in brain stem at the pre-onset, onset, and progression stages of TG mice. Conclusions: The data suggest that NPCs widely distributed in the brain stem of adult TG mice can differentiate into astrocytes and migrate into damaged brain regions. This response might be a potential mechanism to repair degenerated motor neurons and restore dysfunctional neural circuitry in ALS.
目的:研究肌萎缩侧索硬化症(ALS)样转基因小鼠(Tg(SOD1*G93A)1Gur小鼠)和野生型小鼠(WT小鼠)在Tg小鼠不同疾病阶段脑干中波形蛋白细胞(VCCs)增殖、分化和迁移的变化。本研究旨在研究内源性神经前体细胞(NPCs)增殖、分化和迁移的变化特征,并探讨NPCs对ALS退化神经元恢复的潜在影响。方法:使用免疫荧光技术检测TG小鼠和WT小鼠(对照)在发病前(60–70天)、发病(90–100天)和进展(120–130天)不同阶段的VCC在不同解剖区域和脑干神经细胞中的增殖、分化和迁移。结果:在成年WT小鼠中,VCCs主要分布在中央管周围(外周)和脑干细胞核。在TG小鼠的发病前、发病和进展阶段,VCCs增殖并分化为星形胶质细胞,并从CC周围定向迁移到脑干细胞核,然后迁移到脑干损伤区域的腹侧。结论:这些数据表明,广泛分布在成年TG小鼠脑干中的NPC可以分化为星形胶质细胞并迁移到受损的脑区。这种反应可能是修复ALS中退化的运动神经元和恢复功能失调的神经回路的潜在机制。
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引用次数: 1
Front & Back Matter 正面和背面事项
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-04-01 DOI: 10.1159/000524413
P. Unschuld, R. Nitsch
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引用次数: 0
Plasma Cystatin C Correlates with Plasma NfL Levels and Predicts Disease Progression in Parkinson’s Disease 血浆半胱氨酸蛋白酶抑制剂C与血浆NfL水平相关并预测帕金森病的疾病进展
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-03-14 DOI: 10.1159/000523982
A. Imarisio, A. Pilotto, E. Garrafa, F. Conforti, S. Masciocchi, R. Turrone, S. Gipponi, E. Cottini, M. Rizzetti, Vanessa Porrini, C. Gussago, M. Pizzi, F. Guadagni, H. Zetterberg, N. Ashton, Abdul Hye, A. Padovani
Introduction: Previous studies reported increased plasma levels of cystatin C (Cys-C) in Parkinson’s disease (PD) and claimed for a possible association with disease severity and progression. The aim of this study was to evaluate plasma Cys-C in PD and healthy controls (HC) and test its association with markers of peripheral inflammation, neurodegeneration, and clinical progression in a longitudinal study. Methods: Plasma Cys-C, high-sensitive C-reactive protein, interleukin 6, and neurofilament light chain (NfL) were assessed at the baseline in 71 consecutive non-demented PD and 69 HC. PD patients underwent an extensive motor and cognitive assessment at baseline and after 2 years of follow-up. The association of Cys-C with disease severity was evaluated in a multilinear model adjusted for the effect of age, sex, disease duration, and peripheral inflammation. Results: Cys-C levels appeared to be higher in PD compared to controls and correlated with the plasma neuronal marker NfL (r = 0.204, p = 0.046). In longitudinal analyses, PD patients with higher Cys-C levels exhibited faster motor progression at 2 years of follow-up independently from the peripheral inflammatory profile. Conclusions: Cys-C was associated with higher NfL levels and a remarkably faster motor progression in PD independently from peripheral inflammation. Further studies are needed in order to understand the mechanisms underpinning the association of Cys-C with higher neuronal damage markers in neurodegenerative diseases.
引言:先前的研究报道了帕金森病(PD)患者血浆胱抑素C(Cys-C)水平的升高,并声称这可能与疾病的严重程度和进展有关。本研究的目的是评估PD和健康对照组(HC)的血浆Cys-C,并在一项纵向研究中测试其与外周炎症、神经退行性变和临床进展标志物的相关性。方法:在基线时评估71例连续非痴呆PD和69例HC患者的血浆Cys-C、高敏C反应蛋白、白细胞介素6和神经丝轻链(NfL)。PD患者在基线和2年随访后接受了广泛的运动和认知评估。Cys-C与疾病严重程度的相关性在多线性模型中进行了评估,该模型根据年龄、性别、疾病持续时间和外周炎症的影响进行了调整。结果:与对照组相比,帕金森病患者的Cys-C水平似乎更高,并与血浆神经元标志物NfL相关(r=0.204,p=0.046)。在纵向分析中,Cys-C含量较高的帕金森病患者在随访2年时表现出更快的运动进展,与外周炎症无关。结论:Cys-C与帕金森病患者较高的NfL水平和显著更快的运动进展有关,与外周炎症无关。需要进一步的研究来了解Cys-C与神经退行性疾病中更高的神经元损伤标志物相关的机制。
{"title":"Plasma Cystatin C Correlates with Plasma NfL Levels and Predicts Disease Progression in Parkinson’s Disease","authors":"A. Imarisio, A. Pilotto, E. Garrafa, F. Conforti, S. Masciocchi, R. Turrone, S. Gipponi, E. Cottini, M. Rizzetti, Vanessa Porrini, C. Gussago, M. Pizzi, F. Guadagni, H. Zetterberg, N. Ashton, Abdul Hye, A. Padovani","doi":"10.1159/000523982","DOIUrl":"https://doi.org/10.1159/000523982","url":null,"abstract":"Introduction: Previous studies reported increased plasma levels of cystatin C (Cys-C) in Parkinson’s disease (PD) and claimed for a possible association with disease severity and progression. The aim of this study was to evaluate plasma Cys-C in PD and healthy controls (HC) and test its association with markers of peripheral inflammation, neurodegeneration, and clinical progression in a longitudinal study. Methods: Plasma Cys-C, high-sensitive C-reactive protein, interleukin 6, and neurofilament light chain (NfL) were assessed at the baseline in 71 consecutive non-demented PD and 69 HC. PD patients underwent an extensive motor and cognitive assessment at baseline and after 2 years of follow-up. The association of Cys-C with disease severity was evaluated in a multilinear model adjusted for the effect of age, sex, disease duration, and peripheral inflammation. Results: Cys-C levels appeared to be higher in PD compared to controls and correlated with the plasma neuronal marker NfL (r = 0.204, p = 0.046). In longitudinal analyses, PD patients with higher Cys-C levels exhibited faster motor progression at 2 years of follow-up independently from the peripheral inflammatory profile. Conclusions: Cys-C was associated with higher NfL levels and a remarkably faster motor progression in PD independently from peripheral inflammation. Further studies are needed in order to understand the mechanisms underpinning the association of Cys-C with higher neuronal damage markers in neurodegenerative diseases.","PeriodicalId":19115,"journal":{"name":"Neurodegenerative Diseases","volume":null,"pages":null},"PeriodicalIF":3.0,"publicationDate":"2022-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49131392","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Neuroprotective and Therapeutic Effects of Tocovid and Twendee-X on Aβ Oligomer-Induced Damage in the SH-SY5Y Cell Line Tocovid和tweene - x对Aβ寡聚物诱导的SH-SY5Y细胞系损伤的神经保护和治疗作用
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-03-10 DOI: 10.1159/000523983
Xiao Hu, T. Yamashita, Haibo Yu, Zhihong Bian, Xinran Hu, Tian Feng, Koh Tadokoro, R. Morihara, K. Abe
Background: Alzheimer’s disease (AD) is the most frequent cause of dementia among the elderly. The accumulation of amyloid beta (Aβ) and its downstream pathological events such as oxidative stress play central roles in AD. Recent studies revealed that Aβ oligomer (AβO)-induced strong neurotoxicity in SH-SY5Y cells via the induction of oxidative stress. Objective: In the present study, we investigated the effect of two antioxidants, Tocovid and Twendee-X, on AβO-induced SH-SY5Y cell damage. Methods: AβOs (2.5 μM) were applied to induce cellular damage in the SH-SY5Y cell line. Cell viability following AβO toxicity, Tau protein phosphorylation, cell morphology, and intracellular reactive oxygen species were assayed with or without different concentrations of Tocovid or Twendee-X. Results: Tocovid (60 μg/mL) and Twendee-X (150 μg/mL) significantly recovered cell viability from AβO toxicity (**p < 0.01, vs. control), attenuated Tau protein phosphorylation (**p < 0.01, vs. AβOs), improved cell morphology (**p < 0.01, vs. AβOs), and suppressed intracellular ROS (**p < 0.01, vs. AβOs) in SH-SY5Y cells. Conclusion: These findings suggest the neuroprotective and therapeutic potential of Tocovid and Twendee-X for AD treatment.
背景:阿尔茨海默病(AD)是老年痴呆症最常见的病因。淀粉样蛋白β(Aβ)的积累及其下游病理事件(如氧化应激)在AD中起着核心作用。最近的研究表明,Aβ低聚物(AβO)通过诱导氧化应激在SH-SY5Y细胞中诱导强烈的神经毒性。目的:在本研究中,我们研究了两种抗氧化剂Tocovid和Twendee-X对AβO诱导的SH-SY5Y细胞损伤的影响。方法:应用AβOs(2.5μM)诱导SH-SY5Y细胞损伤。使用或不使用不同浓度的Tocovid或Twendee-X测定AβO毒性后的细胞活力、Tau蛋白磷酸化、细胞形态和细胞内活性氧。结果:Tocovid(60μg/mL)和Twendee-X(150μg/mL。结论:这些发现表明Tocovid和Twendee-X对AD治疗具有神经保护和治疗潜力。
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引用次数: 5
Age of Onset and Length of Survival of Queensland Patients with Amyotrophic Lateral Sclerosis: Details of Subjects with Early Onset and Subjects with Long Survival. 昆士兰肌萎缩侧索硬化症患者的发病年龄和生存时间:早期发病和长期生存受试者的详细信息。
IF 3 4区 医学 Q2 Medicine Pub Date : 2022-01-01 Epub Date: 2022-12-30 DOI: 10.1159/000528875
Robert J Nona, Zhouwei Xu, Gail A Robinson, Robert D Henderson, Pamela A McCombe

Introduction: The aims of the study were to document the characteristics of amyotrophic lateral sclerosis (ALS) patients in Queensland, to examine factors influencing age of onset, and survival, and to study those with early-onset (<45 years) disease and those with long (>5 years) survival.

Methods: We studied subjects seen at the ALS Clinic at the Royal Brisbane and Women's Hospital. We recorded sex, age of onset, region of onset, length of survival, presence of family history, type of disease, and evidence of cognitive involvement. We analysed the influence of these features on age of onset and survival. We analysed the features of patients with early onset of disease and patients with long survival.

Results: There were 855 ALS patients (505 males) in the cohort. The age of onset was lower in males than females, in patients with a family history of ALS compared to those without, and in patients with spinal onset compared to bulbar onset. Early-onset disease was seen in 10% of patients, and had a greater proportion of males, spinal onset, and classical ALS phenotype compared to late-onset disease. Survival was shorter in females, in patients with bulbar onset, and in patients with classical ALS. Long survival was seen in 18% of patients. Patients with long survival had younger age of onset, greater proportion of males, spinal onset, and fewer patients with classical ALS.

Conclusion: Our study confirms that ALS is more prevalent in males and that spinal onset is more common than bulbar onset. Males have earlier onset but longer survival. We found that overall, patients with classical ALS have worse survival than ALS variants, but some patients who were considered to have classical ALS had long survival. This study confirms the similarity of ALS in our region to ALS in other geographical regions.

引言:本研究的目的是记录昆士兰肌萎缩侧索硬化症(ALS)患者的特征,研究影响发病年龄和生存率的因素,并研究早发性(5年)生存率的患者。方法:我们研究了在皇家布里斯班妇女医院ALS诊所就诊的受试者。我们记录了性别、发病年龄、发病区域、生存时间、家族史、疾病类型和认知参与的证据。我们分析了这些特征对发病年龄和生存率的影响。我们分析了早期发病患者和长期存活患者的特点。结果:队列中有855名ALS患者(505名男性)。男性的发病年龄低于女性,有ALS家族史的患者的发病年龄高于无ALS家族病史的患者,有脊柱疾病的患者的患病年龄低于延髓疾病。10%的患者出现早发性疾病,与晚发性疾病相比,男性比例更高,脊柱疾病和典型ALS表型更高。女性、延髓发病患者和典型ALS患者的生存期较短。18%的患者存活时间长。生存期较长的患者发病年龄较小,男性比例较大,脊柱发病,典型ALS患者较少。结论:我们的研究证实,ALS在男性中更普遍,脊柱发病比延髓发病更常见。雄性发病较早,但存活时间较长。我们发现,总体而言,经典ALS患者的生存率比ALS变体更差,但一些被认为患有经典ALS的患者的生存期很长。这项研究证实了我们地区ALS与其他地理区域ALS的相似性。
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引用次数: 1
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Neurodegenerative Diseases
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