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Tung H, Chou CC, Chen HM, Chen YM, Wu YY, Chai JW, Chen JP, Chen SC, Chen HC, Lee WJ. White Matter Hyperintensities and Cognitive Functions in People With the R544C Variant of the NOTCH3 Gene Without Stroke or Dementia. Neurology 2024; 103:e209941. [PMID: 39374470 DOI: 10.1212/wnl.0000000000209941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/09/2024] Open
Abstract
BACKGROUND AND OBJECTIVES NOTCH3 pathologic variants cause cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), which presents with stroke and dementia and is characterized by white matter hyperintensities (WMHs) on brain MRI. The R544C variant is a common pathologic variant in Taiwan, but not all carriers exhibit significant symptoms. We investigated whether WMHs occur before clinical symptoms in carriers with pathogenic variants, examined factors associated with WMHs, and explored their relationship with cognitive functions. METHODS We enrolled 63 R544C carriers without overt clinical disease (WOCD) and 37 age-matched and sex-matched noncarriers as controls from the Taiwan Precision Medicine Initiative data set. All participants underwent clinical interviews, comprehensive neuropsychological assessments, and brain MRI. We calculated total and regional WMH volumes, determined the age at which WMHs began increasing in carriers, and examined the relationship between WMHs and neuropsychological performance. Factors associated with WMH volumes were analyzed using multivariable linear regression models. RESULTS Compared with controls, R544C carriers WOCD had increased WMH volume, except in the occipital and midbrain areas, and showed a rapid increase in WMHs starting at age 48. They scored lower on the Mini-Mental State Examination (median = 28.4 vs 29.0, p = 0.048), Montreal Cognitive Assessment (MoCA) (median = 28.3 vs 29.0, p = 0.013), and memory and executive function tests than controls. After adjusting for age, sex, and education, MoCA scores were associated with whole-brain (r = -0.387, padj = 0.008) and regional WMHs (all padj < 0.05) except in the midbrain area. Age (β = 0.034, 95% CI 0.021-0.046, p < 0.001), hypercholesterolemia (β = 0.375, 95% CI 0.097-0.653, p = 0.009), and the vascular risk factor (VRF) index (β = 0.132, 95% CI 0.032-0.242, p = 0.019) were associated with the WMH severity in carriers. DISCUSSION Our study revealed that WMHs are extensively distributed in R544C carriers WOCD. They exhibited a rapid increase in WMHs beginning at age 48, approximately 7 years earlier than the reported age at symptomatic onset. Age was the strongest predictive factor of WMHs, and VRF, particularly hypercholesterolemia, might be modifying factors of WMHs.
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Affiliation(s)
- Hsin Tung
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chien-Chih Chou
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsian-Min Chen
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Ming Chen
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Ying Wu
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jyh-Wen Chai
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Jun-Peng Chen
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shu-Chun Chen
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hung-Chieh Chen
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Wei-Ju Lee
- From the Department of Post-Baccalaureate Medicine (H.T., C.-C.C., Y.-M.C., W.-J.L.), College of Medicine, National Chung Hsing University; Center of Faculty Development (H.T.), Department of Medical Education, and Department of Neurology (H.T., W.-J.L.), Neurological Institute, Taichung Veterans General Hospital; Graduate Institute of Clinical Medicine (C.-C.C.), College of Medicine, National Taiwan University, Taipei; Department of Ophthalmology (C.-C.C.), Taichung Veterans General Hospital; School of Medicine (C.-C.C., Y.-M.C., H.-C.C.), National Yang Ming Chiao Tung University, Taipei; Center for Quantitative Imaging in Medicine (H.-M.C.), Department of Medical Research, Division of Allergy, Immunology and Rheumatology (Y.-M.C.), Department of Internal Medicine, and Department of Medical Research (Y.-M.C.), Taichung Veterans General Hospital; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine & Program in Translational Medicine (Y.-M.C.), and Precision Medicine Research Center (Y.-M.C.), College of Medicine, National Chung Hsing University, Taichung; Department of Radiology (Y.-Y.W., J.-W.C., H.-C.C.), Taichung Veterans General Hospital; Department of Electrical Engineering (Y.-Y.W.), National Chung Hsing University, Taichung; Biostatistics Task Force of Taichung Veterans General Hospital (J.-P.C.), Taichung; Institute of Statistical Science (S.-C.C.), Academia Sinica, Taipei; Dementia Center (W.-J.L.), Taichung Veterans General Hospital; and Brain Research Center (W.-J.L.), National Yang Ming Chiao Tung University, Taipei, Taiwan
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Shen YC, Chen YF, Cheng YW, Chen CH, Jeng JS, Tang SC. Characteristics and temporal evolution of asymptomatic diffusion-weighted imaging lesions in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). Eur J Neurol 2024:e16519. [PMID: 39392097 DOI: 10.1111/ene.16519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2024] [Revised: 09/08/2024] [Accepted: 09/30/2024] [Indexed: 10/12/2024]
Abstract
BACKGROUND AND PURPOSE The role of asymptomatic diffusion-weighted imaging-positive (aDWI+) lesions in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) patients remains unclear, and their radiographic features may differ from those of symptomatic diffusion-weighted imaging-positive (sDWI+) lesions. We aimed to investigate the clinicoradiographic characteristics of aDWI+ lesions in CADASIL patients. METHODS We conducted a retrospective analysis using data from the Taiwan CADASIL Registry. aDWI+ lesions were defined as incidentally detected DWI+ lesions without corresponding acute neurological deficits. We compared the baseline clinical characteristics of patients with and without aDWI+ lesions and analyzed their radiological features and evolution in relation to sDWI+ lesions. RESULTS Among 154 enrolled patients (mean age 62 ± 10 years), 17 (11%) had aDWI+ lesions. Baseline clinical characteristics were similar in the two groups, but those with aDWI+ lesions had more lacunes (median 8 vs. 2), multiple cerebral microbleeds (CMBs; 85% vs. 40%), and anterior temporal white matter hyperintensity (WMH; 47% vs. 14%). Multivariable analysis showed that aDWI+ lesions were associated with anterior temporal WMH (odds ratio 5.7, 95% confidence interval 1.5-21.0) after adjusting for multiple lacunes, multiple CMBs, and total WMH score. Compared to sDWI+ lesions, aDWI+ lesions were more often small infarcts (<1 cm; 89% vs. 23%) and less likely to involve the corticospinal tract (11% vs. 96%). Among the 11 aDWI+ lesions with follow-up magnetic resonance imaging, seven became microinfarcts, three became lacunes, and one disappeared. CONCLUSIONS aDWI+ lesions in CADASIL are not uncommon and are associated with higher burdens of small vessel disease and anterior temporal WMH. Further research is needed to assess their long-term impact on CADASIL.
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Affiliation(s)
- Ying-Chi Shen
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Ya-Fang Chen
- Department of Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chih-Hao Chen
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Jiann-Shing Jeng
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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Hung K, Chen CH, Wu WC, Su JJ, Chen YF, Tang SC. Comparing the imaging characteristics of middle-aged patients with multiple sclerosis and CADASIL: A retrospective cross-sectional study. Mult Scler Relat Disord 2024; 91:105856. [PMID: 39265269 DOI: 10.1016/j.msard.2024.105856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Revised: 08/14/2024] [Accepted: 08/29/2024] [Indexed: 09/14/2024]
Abstract
BACKGROUND Few studies have quantitatively analyzed the imaging disparities between multiple sclerosis (MS) and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). We aimed to compare the imaging characteristics of MS and CADASIL in middle-aged patients. MATERIALS AND METHODS This retrospective study used a single-center database and included patients aged 40-60 years with MS and CADASIL who underwent the designated imaging protocol including 3D T1-weighted imaging and fluid attenuated inversion recovery (FLAIR), diffusion tensor imaging and susceptibility-weighted imaging between January 2018 and March 2023. Patients with MRI-detected macrobleeds were excluded. RESULTS A total of 27 patients with MS (mean age, 46.7 years ± 4.4, 8 men) and 30 patients with CADASIL (mean age, 51.6 years ± 5.8, 14 men) were included. No significant differences were observed in the Fazekas grades of white matter lesions (WMLs). Patients with CADASIL exhibited greater external capsule involvement (56.7% vs.18.5 %; p = 0.006), whereas the MS group had more lesions in the corpus callosum (81.5% vs. 53.3 %, p = 0.02) and brainstem (74.1% vs. 46.7 %, p = 0.04). The CADASIL group exhibited a higher incidence of microbleeds (12.07 vs. 0.11, p = 0.001). The WMLs in the MS group exhibited a lower T1 lesion/cerebrospinal fluid signal index (2.206 vs. 2.882, p < 0.001). A value of ≤2.57 demonstrated a sensitivity of 92.6 % and a specificity of 90.0 % in differentiating MS. Patients with MS had a thinner corpus callosum (7.18 mm vs 7.86 mm, p = 0.04), while patients with CADASIL showed significantly higher mean diffusivity (0.8776 × 10-3 vs. 0.7637 × 10-3 mm2/s, p = 0.03) and lower fractional anisotropy (0.7581 vs. 0.8389, p = 0.04) in the splenium of the corpus callosum. CONCLUSION Middle-aged patients with MS and CADASIL showed comparable Fazekas grades for WMLs. However, lesion distribution, T1 signal characteristics, and splenic diffusivity changes can help differentiate between MS and CADASIL.
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Affiliation(s)
- Kuang Hung
- Department of Medical Imaging, National Taiwan University Hospital, Taiwan
| | - Chih-Hao Chen
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Wen-Chau Wu
- Institute of Medical Device and Imaging, National Taiwan University, Taiwan
| | - Jen-Jen Su
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan.
| | - Ya-Fang Chen
- Department of Medical Imaging, National Taiwan University Hospital, Taiwan.
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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Liang CM, Lee W, Chou CC, Tung H, Chen HC, Chen HM, Lee WJ, Chen YM. Nailfold capillary measurements correlated to NOTCH3 R544C mutation in preclinical CADASIL patients. J Neurol Sci 2024; 462:123109. [PMID: 38941707 DOI: 10.1016/j.jns.2024.123109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 05/23/2024] [Accepted: 06/22/2024] [Indexed: 06/30/2024]
Abstract
BACKGROUND Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a hereditary disease caused by NOTCH3 mutation. Nailfold capillaroscopy is a non-invasive technique typically used for rheumatic diseases. It has potential in other conditions linked to vascular pathology. However, capillaroscopy in CADASIL has not been explored. This study aims to investigate whether capillaroscopy measurements can correlate with brain vascular changes in preclinical CADASIL patients, specifically those with NOTCH3 mutation. METHODS This study included 69 participants from the Taiwan Precision Medicine Initiative (TPMI) dataset who visited Taichung Veterans General Hospital from January to December 2022. All individuals underwent genetic studies, brain imaging and nailfold capillaroscopy. The Mann-Whitney U test was used to compare results of brain imaging between carriers and controls. It was also used to compare measurements in nailfold capillaroscopy within each group. Spearman Rank Correlation Analysis was used to explore the relationship between capillary measurements and brain MRI results. RESULTS White matter hyperintensities (WMH) expression was positively correlated with capillary dimension and negatively correlated with density. Our results presented that R544C carriers exhibited a diffuse increase in WMH (p < 0.001) and a global reduction in gray matter volume but preserved in specific areas. The white matter lesion scores in all brain regions were higher in the mutation carriers than the controls. (p < 0.001). CONCLUSION This research highlights the association of nailfold capillaroscopy findings with white matter lesions in preclinical CADASIL patients. Capillaroscopy guides an effective screening strategy in individuals with NOTCH3 mutations.
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Affiliation(s)
- Chun-Min Liang
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Wei Lee
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Chien-Chih Chou
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan; Department of Ophthalmology, Taichung Veterans General Hospital, Taichung, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Hsin Tung
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan; Center of Faculty Development, Taichung Veterans General Hospital, Taichung, Taiwan; Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Hung-Chieh Chen
- School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Neuroradiology, Department of Radiology, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Hsian-Min Chen
- Center for Quantitative Imaging in Medicine, Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Wei-Ju Lee
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan; Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan; Dementia Center, Taichung Veterans General Hospital, Taichung, Taiwan; Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Ming Chen
- Department of Post-Baccalaureate Medicine, College of Medicine, National Chung Hsing University, Taichung, Taiwan; School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Allergy, Immunology, and Rheumatology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan; Department of Medical Research, Taichung Veterans General Hospital, Taichung, Taiwan; Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung, Taiwan; Precision Medicine Research Center, College of Medicine, National Chung Hsing University, Taichung, Taiwan.
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Huang X, Qiu P, Ji H, Shi Y, Zhang L, Wang L, Mei L, Li P. Preimplantation Genetic Testing Inhibits the Transmission of Pathogenic Variants Associated With Cerebral White Matter Disease. Cureus 2024; 16:e65164. [PMID: 39176342 PMCID: PMC11339631 DOI: 10.7759/cureus.65164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2024] [Indexed: 08/24/2024] Open
Abstract
Hereditary white matter disease is a series of progressive genetic diseases that mainly affect the white matter of the central nervous system. The development of molecular genetics enables the clinical diagnosis, carrier detection, and prenatal diagnosis of hereditary white matter disease. Here, we block the transmission of pathogenic variants in ABCD1 and NOTCH3 in a family with cerebral white matter disease via preimplantation genetic testing (PGT). Pathogenic genes were identified based on clinical manifestations, genetic background, and the results of targeted gene capture sequencing. A blastocyst biopsy was performed, and multiple annealing and looping-based amplification (MALBAC), next-generation sequencing (NGS), and single nucleotide polymorphism (SNP) arrays were used to analyze ploidy and the state of the gene mutations. The proband (III:1) had hemizygous mutations in ABCD1 (c.323C>A (p.Ser108 *) and c.775C>T (p.Arg259Trp)) and heterozygous mutations in NOTCH3 (c.1630C>T (p.Arg544Cys)), which were maternally inherited (II:2). After genetic analysis, a euploid blastocyst without ABCD1 and NOTCH3 variations was transferred. A healthy male baby was born at full term, and the results of prenatal diagnosis by amniocentesis in the second trimester verified the results of PGT. To our knowledge, this is the first report of simultaneously blocking the transmission of pathogenic variants in ABCD1 and NOTCH3 via PGT. This report highlights the feasibility and effectiveness of PGT in preventing cerebral adrenoleukodystrophy (cALD) and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and provides valuable insights for the diagnosis and treatment of similar cases.
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Affiliation(s)
- Xianjing Huang
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Pingping Qiu
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Hong Ji
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Yingying Shi
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Ling Zhang
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Longmei Wang
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Libin Mei
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
| | - Ping Li
- Department of Reproductive Medicine, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
- Xiamen Key Laboratory of Reproduction and Genetics, The Affiliated Women and Children's Hospital of Xiamen University, Xiamen, CHN
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6
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Boston G, Jobson D, Mizuno T, Ihara M, Kalaria RN. Most common NOTCH3 mutations causing CADASIL or CADASIL-like cerebral small vessel disease: A systematic review. CEREBRAL CIRCULATION - COGNITION AND BEHAVIOR 2024; 6:100227. [PMID: 38966425 PMCID: PMC11223087 DOI: 10.1016/j.cccb.2024.100227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 05/09/2024] [Accepted: 05/30/2024] [Indexed: 07/06/2024]
Abstract
Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL) is a monogenic disorder caused by mutations in the NOTCH3 gene. The main aim of our survey was to determine if there is an association between phenotypes and genotypes across the most common NOTCH3 mutations found in CADASIL patients. We systematically searched clinical studies and genomic databases from 1996 to 2023 to first identify the most common mutations responsible for CADASIL. We found the six most common NOTCH3 missense mutations globally were the p.R75P, p.R133C, p.R141C, p.R169C, p.R182C, and p.R544C, of which p.R133C was described to occur most often. Focusing on studies with comprehensive clinical records, our analysis further suggested that the p.R75P, p.R141C, p.R182C and p.R544C genotypes were highly congruent with the presence of white matter hyperintensities on magnetic resonance imaging (MRI), which was the most common phenotypic characteristic across all four mutations. We found the p.R141C mutation was associated with increased severity of disease. We also found the average age of onset in p.R544C carriers was more than a decade later compared to the p.R141C carriers. However, statistical analysis showed there were no overall differences between the phenotypic characteristics of the two common mutations, p.R141C and p.R544C. Geographically, China and Japan were the only two countries to report all the four common mutations vis a vis p.R75P, p.R141C, p.R182C and p.R544C. There is a possibility that this is due to a combination of a founder effect, but there also could be sampling biases.
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Affiliation(s)
- Georgina Boston
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Dan Jobson
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
| | - Toshiki Mizuno
- Department of Neurology, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Centre, Osaka, Japan
| | - Raj N Kalaria
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK
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Ishiyama H, Kim H, Saito S, Takeda S, Takegami M, Yamamoto Y, Abe S, Nakazawa S, Tanaka T, Washida K, Morita Y, Oh ST, Jung HJ, Choi JC, Nakaoku Y, Nakahara J, Koga M, Toyoda K, Amemiya K, Ikeda Y, Hatakeyama K, Mizuta I, Mizuno T, Kim KK, Ihara M. Pro-Hemorrhagic Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy Associated with NOTCH3 p.R75P Mutation with Low Vascular NOTCH3 Aggregation Property. Ann Neurol 2024; 95:1040-1054. [PMID: 38520151 DOI: 10.1002/ana.26916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 02/01/2024] [Accepted: 02/12/2024] [Indexed: 03/25/2024]
Abstract
OBJECTIVES Intracerebral hemorrhage (ICH) and cerebral microbleeds (CMB) in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy are more common in East Asian populations than in people of white European ancestry. We hypothesized that the ethnic difference is explained by the East Asian-specific NOTCH3 p.R75P mutation. METHODS This retrospective observational study included 118 patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy in Japanese and Korean cohorts. We investigated whether the p.R75P mutation is associated with symptomatic ICH and multiple CMB (>5) using quasi-Poisson regression models. We predicted the NOTCH3 extracellular domain protein structures in silico and graded NOTCH3 extracellular domain immunostaining in skin vessels of some patients, with subsequent comparisons between p.R75P and other conventional mutations. RESULTS Among 63 Japanese patients (median age 55 years; 56% men), 15 had a p.R75P mutation, significantly associated with symptomatic ICH (adjusted relative risk 9.56, 95% CI 2.45-37.31), multiple CMB (3.00, 1.34-6.71), and absence of temporopolar lesions (4.91, 2.29-10.52) after adjustment for age, sex, hypertension, and antithrombotics. In the Korean cohort (n = 55; median age 55 years; 51% men), the p.R75P mutation (n = 13) was also associated with symptomatic ICH (8.11, 1.83-35.89), multiple CMB (1.90, 1.01-3.56), and absence of temporopolar lesions (2.32, 1.08-4.97). Structural analysis revealed solvent-exposed free cysteine thiols in conventional mutations, directly causing aggregation, whereas a stereochemically incompatible proline residue structure in p.R75P lowers correct disulfide bond formation probability, indirectly causing aggregation. Pathologically, the p.R75P mutation resulted in less vascular NOTCH3 extracellular domain accumulation than the other conventional mutations. INTERPRETATION NOTCH3 p.R75P mutation is associated with hemorrhagic presentations, milder temporopolar lesions, and distinct mutant protein structure properties. ANN NEUROL 2024;95:1040-1054.
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Affiliation(s)
- Hiroyuki Ishiyama
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Hyunjin Kim
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Satoshi Saito
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Soichi Takeda
- Department of Advanced Medical Technologies, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Misa Takegami
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yumi Yamamoto
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Soichiro Abe
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Shinsaku Nakazawa
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Tomotaka Tanaka
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazuo Washida
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yoshiaki Morita
- Department of Radiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Seung-Taek Oh
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hee-Jae Jung
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jay Chol Choi
- Department of Neurology, School of Medicine, Jeju National University, Jeju City, South Korea
| | - Yuriko Nakaoku
- Department of Preventive Medicine and Epidemiology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Jin Nakahara
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
| | - Masatoshi Koga
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kazunori Toyoda
- Department of Neurology, Keio University School of Medicine, Tokyo, Japan
- Department of Cerebrovascular Medicine, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kisaki Amemiya
- Department of Pathology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yoshihiko Ikeda
- Department of Pathology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Kinta Hatakeyama
- Department of Pathology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Ikuko Mizuta
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Toshiki Mizuno
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Kwang-Kuk Kim
- Department of Neurology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
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8
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Tasharrofi B, Najafi A, Pourbakhtyaran E, Amirsalari S, Khan GS, Ashrafi MR, Tavasoli AR, Keramatipour M, Heidari M. Distinct neurological phenotypes associated with biallelic loss of NOTCH3 function: evidence for recessive inheritance. Mol Biol Rep 2024; 51:714. [PMID: 38824264 DOI: 10.1007/s11033-024-09560-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Accepted: 04/16/2024] [Indexed: 06/03/2024]
Abstract
BACKGROUND NOTCH3 variants are known to be linked to cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). However, some null NOTCH3 variants with homozygous inheritance cause neurological symptoms distinct from CADASIL. The aim of this study was to expand the clinical spectrum of this distinct condition and provide further evidence of its autosomal recessive inheritance. METHODS AND RESULTS Whole exome sequencing (WES) was performed on a proband who exhibited livedo racemosa, ataxia, cognitive decline, seizures, and MRI white matter abnormalities without anterior temporal pole lesions. Segregation analysis was conducted with Sanger sequencing. WES of the proband identified a novel homozygous NOTCH3 null variant (c.2984delC). The consanguineous parents were confirmed as heterozygous variant carriers. In addition, three heterozygous NOTCH3 null variants were reported as incidental findings in three unrelated cases analyzed in our center. CONCLUSION The findings of this study suggest an autosomal recessive inheritance pattern in this early-onset leukoencephalopathy, in contrast to CADASIL's dominant gain-of-function mechanism; which is a clear example of genotype-phenotype correlation. Comprehensive genetic analysis provides valuable insights into disease mechanisms and facilitates diagnosis and family planning for NOTCH3-associated neurological disorders.
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Affiliation(s)
- Behnoosh Tasharrofi
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Najafi
- Department of Medical Genetics, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Pourbakhtyaran
- Department of Pediatrics, Division of Pediatric Neurology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Susan Amirsalari
- Pediatric Neurology Department, New Hearing Technologies Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Golazin Shahbodagh Khan
- Department of Pediatrics, Division of Pediatric Neurology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Reza Ashrafi
- Department of Pediatrics, Division of Pediatric Neurology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Reza Tavasoli
- Department of Neurology, Barrow Neurological Institute, Phoenix Children's Hospital, Phoenix, AZ, USA
- Pediatric Neurology Division, Pediatrics Center of Excellence, Myelin Disorders Clinic, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Morteza Heidari
- Department of Pediatrics, Division of Pediatric Neurology, Pediatrics Center of Excellence, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
- Pediatric Neurology Division, Pediatrics Center of Excellence, Myelin Disorders Clinic, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
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Sukhonpanich N, Markus HS. Prevalence, clinical characteristics, and risk factors of intracerebral haemorrhage in CADASIL: a case series and systematic review. J Neurol 2024; 271:2423-2433. [PMID: 38217707 PMCID: PMC11055697 DOI: 10.1007/s00415-023-12177-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/23/2023] [Accepted: 12/26/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common monogenic form of stroke and is characterised by early onset stroke and dementia. Most strokes are lacunar ischaemic strokes, but intracerebral haemorrhage (ICH) has also been reported, although there are limited published data on its frequency and characteristics. METHODS A retrospective review of a prospectively recruited CADASIL register from the British National Referral clinic was performed to identify acute ICH cases and their characteristics. In addition, a systematic review of ICH in CADASIL was performed. MEDLINE (Pubmed), Embase, and Web of Science were searched for articles published from inception until 31/05/2023. RESULTS Ten cases of ICH were identified from the National clinic register of 516 symptomatic patients, giving an estimated point prevalence of 1.9%. An additional 119 cases were identified from the systematic review, comprising 129 cases and 142 ICH events in total. Including all identified cases, the mean age at onset of ICH was 56.6 ± 15.7 (SD) years, and 74 (57.4%) were male. ICH was the first manifestation of the disease in 32 patients (38.1%), and ICH recurrence occurred in 16 (12.4%). Most ICHs were subcortical, with the thalamus, 58 (40.8%), and basal ganglia, 34 (23.9%), being the commonest sites. Anticoagulation, but not antiplatelet agents, was associated with an increased risk of ICH (20.0% vs. 1.9%, p = 0.006). CONCLUSIONS ICH is a relatively rare manifestation of CADASIL, occurring in about 2% of symptomatic cases. Most of the haemorrhages occurred in the subcortical regions.
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Affiliation(s)
- Nontapat Sukhonpanich
- Stroke Research Group, Department of Clinical Neurosciences, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0QQ, UK
- Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Hugh S Markus
- Stroke Research Group, Department of Clinical Neurosciences, University of Cambridge, Cambridge Biomedical Campus, Cambridge, CB2 0QQ, UK.
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Mizuta I, Nakao-Azuma Y, Yoshida H, Yamaguchi M, Mizuno T. Progress to Clarify How NOTCH3 Mutations Lead to CADASIL, a Hereditary Cerebral Small Vessel Disease. Biomolecules 2024; 14:127. [PMID: 38254727 PMCID: PMC10813265 DOI: 10.3390/biom14010127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/09/2024] [Accepted: 01/16/2024] [Indexed: 01/24/2024] Open
Abstract
Notch signaling is conserved in C. elegans, Drosophila, and mammals. Among the four NOTCH genes in humans, NOTCH1, NOTCH2, and NOTCH3 are known to cause monogenic hereditary disorders. Most NOTCH-related disorders are congenital and caused by a gain or loss of Notch signaling activity. In contrast, cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) caused by NOTCH3 is adult-onset and considered to be caused by accumulation of the mutant NOTCH3 extracellular domain (N3ECD) and, possibly, by an impairment in Notch signaling. Pathophysiological processes following mutant N3ECD accumulation have been intensively investigated; however, the process leading to N3ECD accumulation and its association with canonical NOTCH3 signaling remain unknown. We reviewed the progress in clarifying the pathophysiological process involving mutant NOTCH3.
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Affiliation(s)
- Ikuko Mizuta
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto 602-8566, Japan; (I.M.)
| | - Yumiko Nakao-Azuma
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto 602-8566, Japan; (I.M.)
- Department of Rehabilitation Medicine, Gunma University Graduate School of Medicine, Showa-machi, Maebashi, Gunma 371-8511, Japan
| | - Hideki Yoshida
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Masamitsu Yamaguchi
- Department of Applied Biology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
- Kansai Gakken Laboratory, Kankyo Eisei Yakuhin Co., Ltd., 3-6-2 Hikaridai, Seika-cho, Kyoto 619-0237, Japan
| | - Toshiki Mizuno
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kamigyo-ku, Kyoto 602-8566, Japan; (I.M.)
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11
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Guey S, Chabriat H. Monogenic causes of cerebral small vessel disease and stroke. HANDBOOK OF CLINICAL NEUROLOGY 2024; 204:273-287. [PMID: 39322384 DOI: 10.1016/b978-0-323-99209-1.00018-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/27/2024]
Abstract
Cerebral small vessel disease (cSVDs) account for 25% of stroke and are a frequent cause of cognitive or motor disability in adults. In a small number of patients, cSVDs result from monogenic diseases, the most frequent being cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). An early disease onset, a suggestive family history, and a low vascular risk profile contrasting with a high load of cSVD imaging markers represent red flags that must trigger molecular screening. To date, a dozen of genes is involved in Mendelian cSVDs, most of them are responsible for autosomal dominant conditions of variable penetrance. Some of these mendelian cSVDs (CADASIL, HTRA1-related cSVD, pontine autosomal dominant microangiopathy and leukoencephalopathy (PADMAL), cathepsin-A related arteriopathy with strokes and leukoencephalopathy (CARASAL), and cSVD related to LAMB1 mutations) are causing ischemic stroke. Others (COL4A1/COL4A2-related angiopathy and hereditary cerebral amyloid angiopathy) preferentially lead to intracerebral hemorrhages. The clinical features of different Mendelian cSVDs can overlap. Therefore, the current approach is based on simultaneous screening of all genes involved in these conditions through a panel-targeted sequencing gene or exome sequencing. Nevertheless, a pathogenic variant is identified in less than 15% of patients with a suspected genetic cerebrovascular disease, suggesting that many additional genes remain to be identified.
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Affiliation(s)
- Stéphanie Guey
- Translational Centre for Neurovascular Disorders, Hôpital Lariboisière AP-HP, Paris, France; Paris-Cité University, Inserm U1141 NeuroDiderot, Paris, France.
| | - Hugues Chabriat
- Translational Centre for Neurovascular Disorders, Hôpital Lariboisière AP-HP, Paris, France; Paris-Cité University, Inserm U1141 NeuroDiderot, Paris, France
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12
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Lin HJ, Chen CH, Su MW, Lin CW, Cheng YW, Tang SC, Jeng JS. Modifiable vascular risk factors contribute to stroke in 1080 NOTCH3 R544C carriers in Taiwan Biobank. Int J Stroke 2024; 19:105-113. [PMID: 37485895 DOI: 10.1177/17474930231191991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
BACKGROUND AND AIM Previous studies have suggested cardiovascular risk factors increase the risk of not only common sporadic stroke but also of stroke in patients with monogenic stroke disorders including CADASIL. We investigated the effects of the NOTCH3 Arg544Cys (R544C) variant and associated vascular risk factors on stroke in the Taiwanese population. METHODS This study was conducted using data from the Taiwan Biobank, consisting of at least 130,000 Han Chinese participants. The genotype was derived from customized genome-wide arrays for 650,000 to 750,000 single-nucleotide polymorphisms (SNPs). Individuals with NOTCH3 R544C were subsequently matched with noncarriers based on the propensity score at a 1:10 ratio by demographic and cardiovascular risk factors. The odds ratio (OR) for stroke or other phenotypes in NOTCH3 R544C carriers and matched noncarriers was then calculated. Univariate and multivariate regression analyses were performed on cardiovascular risk factors in NOTCH3 R544C carriers with and without stroke. The polygenic risk score (PRS) model, adopted from the UK Biobank, was then applied to evaluate the role of NOTCH3 R544C in stroke. RESULTS From the 114,282 participants with both genotype and questionnaire results, 1080 (0.95%) harbored the pathogenic NOTCH3 R544C variant. When compared to the matched controls (n = 10,800), the carriers presented with a history of stroke (OR: 2.52, 95% confidence interval (CI) (1.45, 4.37)), dementia (OR: 30.1, 95% CI (3.13, 289.43)), and sibling history of stroke (OR: 2.48, 95% CI (1.85, 3.34)) phenotypes. The risk of stroke increased with every 10-year increase in age (p = 0.006, Cochran-Mantel-Haenszel test). Among NOTCH3 R544C carriers, 16 (1.3%) of the 1080 carriers with a stroke history were older, male, and more likely to have hypertension, diabetes, dyslipidemia, and a family history of stroke. In the stepwise multivariate analysis, hypertension (OR: 11.28, 95% CI (3.54, 43.3)) and diabetes mellitus (OR: 4.10, 95% CI (1.31, 12.4)) were independently associated with stroke. Harboring the NOTCH3 R544C variant in the Taiwan Biobank is comparable with a 6.74 standard deviations increase in individual's polygenic risk score for stroke. CONCLUSION While the NOTCH3 R544C variant alone increased the risk of stroke, modifiable vascular risk factors also played a role in the occurrence of stroke in Taiwanese community-dwelling individuals carrying the NOTCH3 variant.
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Affiliation(s)
- Hung-Jen Lin
- Department of Medical Education, National Taiwan University Hospital, Taipei
| | - Chih-Hao Chen
- Department of Neurology, National Taiwan University Hospital, Taipei
| | - Ming-Wei Su
- Institute of Biomedical Sciences, Academia Sinica, Taipei
| | - Chien-Wei Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital, Taipei
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei
| | - Jiann-Shing Jeng
- Department of Neurology, National Taiwan University Hospital, Taipei
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13
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Hsu SL, Liao YC, Wu CH, Chang FC, Chen YL, Lai KL, Chung CP, Chen SP, Lee YC. Impaired cerebral interstitial fluid dynamics in cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy. Brain Commun 2023; 6:fcad349. [PMID: 38162905 PMCID: PMC10757449 DOI: 10.1093/braincomms/fcad349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 10/19/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy, caused by cysteine-altering variants in NOTCH3, is the most prevalent inherited cerebral small vessel disease. Impaired cerebral interstitial fluid dynamics has been proposed as one of the potential culprits of neurodegeneration and may play a critical role in the initiation and progression of cerebral small vessel disease. In the present study, we aimed to explore the cerebral interstitial fluid dynamics in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy and to evaluate its association with clinical features, imaging biomarkers and disease severity of cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy. Eighty-one participants carrying a cysteine-altering variant in NOTCH3, including 44 symptomatic cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy patients and 37 preclinical carriers, and 21 age- and sex-matched healthy control individuals were recruited. All participants underwent brain MRI studies and neuropsychological evaluations. Cerebral interstitial fluid dynamics was investigated by using the non-invasive diffusion tensor image analysis along the perivascular space method. We found that cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy patients exhibited significantly lower values of diffusion tensor image analysis along the perivascular space index comparing to preclinical carriers and healthy controls. For the 81 subjects carrying NOTCH3 variants, older age and presence of hypertension were independently associated with decreased diffusion tensor image analysis along the perivascular space index. The degree of cerebral interstitial fluid dynamics was strongly related to the severity of cerebral small vessel disease imaging markers, with a positive correlation between diffusion tensor image analysis along the perivascular space index and brain parenchymal fraction and negative correlations between diffusion tensor image analysis along the perivascular space index and total volume of white matter hyperintensity, peak width of skeletonized mean diffusivity, lacune numbers and cerebral microbleed counts. In addition, diffusion tensor image analysis along the perivascular space index was a significant risk factor associated with the development of clinical symptoms of stroke or cognitive dysfunction in individuals carrying NOTCH3 variants. In cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy patients, diffusion tensor image analysis along the perivascular space index was significantly associated with Mini-Mental State Examination scores. Mediation analysis showed that compromised cerebral interstitial fluid dynamics was not only directly associated with cognitive dysfunction but also had an indirect effect on cognition by influencing brain atrophy, white matter disruption, lacunar lesions and cerebral microbleeds. In conclusion, cerebral interstitial fluid dynamics is impaired in cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy and its disruption may play an important role in the pathogenesis of cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy. Diffusion tensor image analysis along the perivascular space index may serve as a biomarker of disease severity for cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy.
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Affiliation(s)
- Shao-Lun Hsu
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
| | - Yi-Chu Liao
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Chia-Hung Wu
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Feng-Chi Chang
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Radiology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Yung-Lin Chen
- Institute of Biophotonics, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Kuan-Lin Lai
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Chih-Ping Chung
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
| | - Shih-Pin Chen
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- Institute of Clinical Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Division of Translational Research, Department of Medical, Neurological Institute, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Taipei Veterans General Hospital, Taipei 11217, Taiwan
- School of Medicine, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Department of Neurology, National Yang Ming Chiao Tung University School of Medicine, Taipei 11221, Taiwan
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei 11221, Taiwan
- Center for Intelligent Drug Systems and Smart Bio-devices (IDS2B), National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
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14
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Cheng Y, Liao Y, Chen C, Chung C, Fann CSJ, Chang C, Lee Y, Tang S. Contribution of the APOE Genotype to Cognitive Impairment in Individuals With NOTCH3 Cysteine-Altering Variants. J Am Heart Assoc 2023; 12:e032689. [PMID: 37982214 PMCID: PMC10727295 DOI: 10.1161/jaha.123.032689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 10/23/2023] [Indexed: 11/21/2023]
Abstract
BACKGROUND Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most prevalent monogenic cerebral small-vessel disease. Phenotype variability in CADASIL suggests the possible role of genetic modifiers. We aimed to investigate the contributions of the APOE genotype and Neurogenic locus notch homolog protein 3 (NOTCH3) variant position to cognitive impairment associated with CADASIL. METHODS AND RESULTS Patients with the cysteine-altering NOTCH3 variant were enrolled in a cross-sectional study, including the Mini-Mental State Examination (MMSE), brain magnetic resonance imaging, and APOE genotyping. Cognitive impairment was defined as an MMSE score <24. The associations between the MMSE score and genetic factors were assessed using linear regression models. Bayesian adjustment for confounding was used to identify clinical confounders. A total of 246 individuals were enrolled, among whom 210 (85%) harbored the p.R544C variant, 96 (39%) had cognitive impairment, and 150 (61%) had a history of stroke. The APOE ɛ2 allele was associated with a lower MMSE score (adjusted B, -4.090 [95% CI, -6.708 to -1.473]; P=0.023), whereas the NOTCH3 p.R544C variant was associated with a higher MMSE score (adjusted B, 2.854 [95% CI, 0.603-5.105]; P=0.0132) after adjustment for age, education, and history of ischemic stroke. Mediation analysis suggests that the associations between the APOE ɛ2 allele and MMSE score and between the NOTCH3 p.R544C variant and MMSE score are mediated by mesial temporal atrophy and white matter hyperintensity, respectively. CONCLUSIONS APOE genotype may modify cognitive impairment in CADASIL, whereby individuals carrying the APOE ɛ2 allele may present a more severe cognitive impairment.
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Affiliation(s)
- Yu‐Wen Cheng
- Department of NeurologyNational Taiwan University HospitalTaipeiTaiwan
| | - Yi‐Chu Liao
- Department of NeurologyTaipei Veterans General HospitalTaipeiTaiwan
- Faculty of Medicine, School of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Chih‐Hao Chen
- Department of NeurologyNational Taiwan University HospitalTaipeiTaiwan
| | - Chih‐Ping Chung
- Department of NeurologyTaipei Veterans General HospitalTaipeiTaiwan
| | | | | | - Yi‐Chung Lee
- Department of NeurologyTaipei Veterans General HospitalTaipeiTaiwan
- Faculty of Medicine, School of MedicineNational Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Sung‐Chun Tang
- Department of NeurologyNational Taiwan University HospitalTaipeiTaiwan
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15
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Lin E, Kuo PH, Liu YL, Wang TJ, Yang AC, Tsai SJ. The cysteine-altering p.R544C variant in the NOTCH3 gene is a probable candidate for blood pressure and relevant traits in the Taiwan Biobank. J Neurol 2023; 270:5536-5544. [PMID: 37526664 DOI: 10.1007/s00415-023-11909-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 06/17/2023] [Accepted: 07/27/2023] [Indexed: 08/02/2023]
Abstract
BACKGROUND The cysteine-altering variants in NOTCH3 have been suggested to be associated with stroke, dementia, and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), where aberrant blood pressure levels represent the characteristics of these diseases. We aimed to assess whether the cysteine-altering p.Arg544Cys (p.R544C; rs201118034) variant and common single nucleotide variants (SNVs) in NOTCH3 could contribute to systolic and diastolic blood pressure and related phenotypes in the Taiwan Biobank. METHODS We employed a discovery sample of 68,925 individuals, an independent replication sample of 45,676 individuals, and a combined/total sample of 114,601 individuals; all from the Taiwan Biobank. Blood pressure, such as systolic and diastolic blood pressure, was measured for all participants. Association was evaluated using a general linear model, where results were considered statistically significant if the P value < 0.05 divided by the number of independent tests per model. RESULTS From our analysis, we identified and replicated three novel candidates for blood pressure that have not previously been reported: the cysteine-altering p.R544C variant for systolic blood pressure, the common SNV rs11669950 for diastolic blood pressure, and the common SNV rs4808235 for diastolic blood pressure. We also generalized two previously identified SNVs (i.e., rs10418305 and rs7408868) in NOTCH3 for blood pressure in European and non-Taiwanese East Asian populations to the Taiwanese population. Moreover, the participants with NOTCH3 p.R544C had an increased stroke frequency (P < 1.0 × 10-5) and a higher dementia frequency (P = 2.0 × 10-4) compared with the whole Taiwan Biobank population in the combined/total sample. CONCLUSION NOTCH3 is a strong candidate for a role in stroke, dementia, and CADASIL, which has previously been linked to blood pressure changes. While our preliminary study suggests that NOTCH3 p.R544C may influence blood pressure, stroke, and dementia in the Taiwan Biobank, replication in a well-powered external sample is required. This study also underlines considerable prospects of detecting novel genetic biomarkers in underrepresented worldwide populations.
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Affiliation(s)
- Eugene Lin
- Department of Biostatistics, University of Washington, 3980 15th Avenue NE, Box 351617, Seattle, WA, 98195, USA.
- Department of Electrical and Computer Engineering, University of Washington, Seattle, WA, 98195, USA.
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, 40402, Taiwan.
| | - Po-Hsiu Kuo
- Department of Public Health, Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, 10617, Taiwan
- Department of Psychiatry, National Taiwan University Hospital, Taipei, 100, Taiwan
| | - Yu-Li Liu
- Center for Neuropsychiatric Research, National Health Research Institutes, Miaoli County, 35053, Taiwan
| | - Tso-Jen Wang
- Taoyuan Psychiatric Center, Ministry of Health and Welfare, Taoyuan, 33058, Taiwan
| | - Albert C Yang
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, 11221, Taiwan
| | - Shih-Jen Tsai
- Department of Psychiatry, Taipei Veterans General Hospital, No. 201, Shih-Pai Road, Sec. 2, Taipei, 11217, Taiwan.
- Division of Psychiatry, National Yang Ming Chiao Tung University, Taipei, 112304, Taiwan.
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16
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Takei J, Higuchi Y, Ando M, Yoshimura A, Yuan JH, Fujisaki N, Tokashiki T, Kanzato N, Jonosono M, Sueyoshi T, Kanda N, Matsuoka H, Okubo R, Suehara M, Matsuura E, Takashima H. Microbleed clustering in thalamus sign in CADASIL patients with NOTCH3 R75P mutation. Front Neurol 2023; 14:1241678. [PMID: 37681004 PMCID: PMC10480842 DOI: 10.3389/fneur.2023.1241678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2023] [Accepted: 07/31/2023] [Indexed: 09/09/2023] Open
Abstract
Background and objective Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited cerebral microvascular disease characterized by the development of vascular dementia and lacunar infarctions. This study aimed to identify the genetic and clinical features of CADASIL in Japan. Methods We conducted genetic analysis on a case series of patients clinically diagnosed with CADASIL. Clinical and imaging analyses were performed on 32 patients with pathogenic mutations in the NOTCH3 gene. To assess the presence of cerebral microbleeds (CMBs), we utilized several established rating scales including the Fazekas scale, Scheltens rating scale, and Microbleed Anatomical Rating Scale, based on brain MRI images. Results Among the 32 CADASIL patients, 24 cases were found carrying the R75P mutation in NOTCH3, whereas the remaining eight cases had other NOTCH3 mutations (R75Q, R110C, C134F, C144F, R169C, and R607C). The haplotype analysis of the R75P mutation uncovered the presence of a founder effect. A brain MRI analysis revealed that cases with the R75P mutation had a significantly higher total number of CMBs, particularly in the thalamus when compared to patients with other NOTCH3 mutations. Among 15 out of 24 cases with the R75P mutation, we observed a notable clustering of CMBs in the thalamus, termed microbleed clustering in thalamus sign (MCT sign). Conclusion We propose that the MCT sign observed in NOTCH3 R75P-related CADASIL patients may serve as a potentially characteristic imaging feature. This finding offers further insights into the interactions between genotypes and phenotypes between NOTCH3 and CADASIL.
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Affiliation(s)
- Jun Takei
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Yujiro Higuchi
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Masahiro Ando
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Akiko Yoshimura
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Jun-Hui Yuan
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Natsumi Fujisaki
- Department of Neurology, National Hospital Organization Okinawa Hospital, Okinawa, Japan
| | - Takashi Tokashiki
- Department of Neurology, National Hospital Organization Okinawa Hospital, Okinawa, Japan
| | - Naomi Kanzato
- Department of Neurology, Okinawa Prefectural Southern Medical Center & Children's Medical Center, Okinawa, Japan
| | - Manabu Jonosono
- Department of Neurology, Okinawa Chubu Hospital, Okinawa, Japan
| | | | - Naoaki Kanda
- Department of Neurology, Imamura General Hospital, Kagoshima, Japan
| | - Hideki Matsuoka
- Department of Cerebrovascular Medicine, Stroke Center, National Hospital Organization Kagoshima Medical Center, Kagoshima, Japan
| | - Ryuichi Okubo
- Department of Neurology, Fujimoto General Hospital, Miyazaki, Japan
| | - Masahito Suehara
- Department of Neurology, Fujimoto General Hospital, Miyazaki, Japan
| | - Eiji Matsuura
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
| | - Hiroshi Takashima
- Department of Neurology and Geriatrics, Kagoshima University Graduate School of Medical and Dental Sciences, Kagoshima, Japan
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17
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Hack RJ, Gravesteijn G, Cerfontaine MN, Santcroos MA, Gatti L, Kopczak A, Bersano A, Duering M, Rutten JW, Lesnik Oberstein SAJ. Three-tiered EGFr domain risk stratification for individualized NOTCH3-small vessel disease prediction. Brain 2023; 146:2913-2927. [PMID: 36535904 PMCID: PMC10316769 DOI: 10.1093/brain/awac486] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 11/23/2022] [Accepted: 11/27/2022] [Indexed: 02/10/2024] Open
Abstract
Cysteine-altering missense variants (NOTCH3cys) in one of the 34 epidermal growth-factor-like repeat (EGFr) domains of the NOTCH3 protein are the cause of NOTCH3-associated small vessel disease (NOTCH3-SVD). NOTCH3-SVD is highly variable, ranging from cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) at the severe end of the spectrum to non-penetrance. The strongest known NOTCH3-SVD modifier is NOTCH3cys variant position: NOTCH3cys variants located in EGFr domains 1-6 are associated with a more severe phenotype than NOTCH3cys variants located in EGFr domains 7-34. The objective of this study was to further improve NOTCH3-SVD genotype-based risk prediction by using relative differences in NOTCH3cys variant frequencies between large CADASIL and population cohorts as a starting point. Scientific CADASIL literature, cohorts and population databases were queried for NOTCH3cys variants. For each EGFr domain, the relative difference in NOTCH3cys variant frequency (NVFOR) was calculated using genotypes of 2574 CADASIL patients and 1647 individuals from population databases. Based on NVFOR cut-off values, EGFr domains were classified as either low (LR-EGFr), medium (MR-EGFr) or high risk (HR-EGFr). The clinical relevance of this new three-tiered EGFr risk classification was cross-sectionally validated by comparing SVD imaging markers and clinical outcomes between EGFr risk categories using a genotype-phenotype data set of 434 CADASIL patients and 1003 NOTCH3cys positive community-dwelling individuals. CADASIL patients and community-dwelling individuals harboured 379 unique NOTCH3cys variants. Nine EGFr domains were classified as an HR-EGFr, which included EGFr domains 1-6, but additionally also EGFr domains 8, 11 and 26. Ten EGFr domains were classified as MR-EGFr and 11 as LR-EGFr. In the population genotype-phenotype data set, HR-EGFr individuals had the highest risk of stroke [odds ratio (OR) = 10.81, 95% confidence interval (CI): 5.46-21.37], followed by MR-EGFr individuals (OR = 1.81, 95% CI: 0.84-3.88) and LR-EGFr individuals (OR = 1 [reference]). MR-EGFr individuals had a significantly higher normalized white matter hyperintensity volume (nWMHv; P = 0.005) and peak width of skeletonized mean diffusivity (PSMD; P = 0.035) than LR-EGFr individuals. In the CADASIL genotype-phenotype data set, HR-EGFr domains 8, 11 and 26 patients had a significantly higher risk of stroke (P = 0.002), disability (P = 0.041), nWMHv (P = 1.8 × 10-8), PSMD (P = 2.6 × 10-8) and lacune volume (P = 0.006) than MR-EGFr patients. SVD imaging marker load and clinical outcomes were similar between HR-EGFr 1-6 patients and HR-EGFr 8, 11 and 26 patients. NVFOR was significantly associated with vascular NOTCH3 aggregation load (P = 0.006), but not with NOTCH3 signalling activity (P = 0.88). In conclusion, we identified three clinically distinct NOTCH3-SVD EGFr risk categories based on NFVOR cut-off values, and identified three additional HR-EGFr domains located outside of EGFr domains 1-6. This EGFr risk classification will provide an important key to individualized NOTCH3-SVD disease prediction.
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Affiliation(s)
- Remco J Hack
- Department of Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Gido Gravesteijn
- Department of Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Minne N Cerfontaine
- Department of Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Mark A Santcroos
- Department of Human Genetics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
| | - Laura Gatti
- Laboratory of Neurobiology, Fondazione IRCSS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Anna Kopczak
- Institute for Stroke and Dementia Research, LMU University Hospital Munich, 81377 Munich, Germany
| | - Anna Bersano
- Cerebrovascular Unit, Fondazione IRCCS Istituto Neurologico Carlo Besta, 20133 Milan, Italy
| | - Marco Duering
- Institute for Stroke and Dementia Research, LMU University Hospital Munich, 81377 Munich, Germany
- Medical Image Analysis Center (MIAC) and Department of Biomedical Engineering, University of Basel, 4051 Basel, Switzerland
| | - Julie W Rutten
- Department of Clinical Genetics, Leiden University Medical Center, 2333 ZA Leiden, The Netherlands
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18
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Chu Y, Wang Q, Ma Y, Xu L, Ren K, Liu J, Tao D, Cao H, Ji X. A case of recurrent intracranial hemorrhage in CADASIL caused by NOTCH3 c.1759C>T heterozygous mutation. J Clin Lab Anal 2023; 37:e24840. [PMID: 36604800 PMCID: PMC9937875 DOI: 10.1002/jcla.24840] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/16/2022] [Accepted: 12/30/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a cerebrovascular disease that is closely related to the NOTCH3 gene. Recurrent ischemic stroke, progressive cognitive dysfunction, and mental symptoms are the main clinical manifestations, whereas symptomatic intracranial hemorrhage is rare. METHODS We detected a heterozygous mutation of c.1759C>T in exon 11 of the NOTCH3 gene that caused recurrent intracranial hemorrhage in CADASIL. RESULTS Second-generation sequencing of a sample of the patient's genome revealed a heterozygous mutation of c.1759C>T in exon 11 of NOTCH3, which resulted in amino acid changes (p.R587C). This variation may be rated as a CADASIL clinical variation. CONCLUSION The discovery of this mutation site provides an important theoretical basis for a gene-based diagnosis and treatment of recurrent intracranial hemorrhage.
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Affiliation(s)
- Ying Chu
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Qi Wang
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Yue Ma
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Linying Xu
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Kexin Ren
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Jiahui Liu
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina,Stem Cell Clinical Research Center, National Joint Engineering Laboratory, Regenerative Medicine CenterFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Dingbo Tao
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Hua Cao
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
| | - Xiaofei Ji
- Department of NeurologyFirst Affiliated Hospital of Dalian Medical UniversityDalianChina
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19
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Yamamoto Y, Liao YC, Lee YC, Ihara M, Choi JC. Update on the Epidemiology, Pathogenesis, and Biomarkers of Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy. J Clin Neurol 2023; 19:12-27. [PMID: 36606642 PMCID: PMC9833879 DOI: 10.3988/jcn.2023.19.1.12] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/06/2022] [Accepted: 11/09/2022] [Indexed: 01/04/2023] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is the most common monogenic disorder of the cerebral small blood vessels. It is caused by mutations in the NOTCH3 gene on chromosome 19, and more than 280 distinct pathogenic mutations have been reported to date. CADASIL was once considered a very rare disease with an estimated prevalence of 1.3-4.1 per 100,000 adults. However, recent large-scale genomic studies have revealed a high prevalence of pathogenic NOTCH3 variants among the general population, with the highest risk being among Asians. The disease severity and age at onset vary significantly even among individuals who carry the same NOTCH3 mutations. It is still unclear whether a significant genotype-phenotype correlation is present in CADASIL. The accumulation of granular osmiophilic material in the vasculature is a characteristic feature of CADASIL. However, the exact pathogenesis of CADASIL remains largely unclear despite various laboratory and clinical observations being made. Major hypotheses proposed so far have included aberrant NOTCH3 signaling, toxic aggregation, and abnormal matrisomes. Several characteristic features have been observed in the brain magnetic resonance images of patients with CADASIL, including subcortical lacunar lesions and white matter hyperintensities in the anterior temporal lobe or external capsule, which were useful in differentiating CADASIL from sporadic stroke in patients. The number of lacunes and the degree of brain atrophy were useful in predicting the clinical outcomes of patients with CADASIL. Several promising blood biomarkers have also recently been discovered for CADASIL, which require further research for validation.
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Affiliation(s)
- Yumi Yamamoto
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Yi-Chu Liao
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan.,Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan.,Faculty of Medicine, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Jay Chol Choi
- Department of Neurology, Jeju National University, Jeju, Korea.,Institute for Medical Science, Jeju National University, Jeju, Korea
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20
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Härtl J, Hartberger J, Wunderlich S, Cordts I, Bafligil C, Sturm M, Westphal D, Haack T, Hemmer B, Ikenberg BD, Deschauer M. Exome-based gene panel analysis in a cohort of acute juvenile ischemic stroke patients:relevance of NOTCH3 and GLA variants. J Neurol 2023; 270:1501-1511. [PMID: 36411388 PMCID: PMC9971083 DOI: 10.1007/s00415-022-11401-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 09/23/2022] [Accepted: 09/24/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Genetic variants are considered to have a crucial impact on the occurrence of ischemic stroke. In clinical routine, the diagnostic value of next-generation sequencing (NGS) in the medical clarification of acute juvenile stroke has not been investigated so far. MATERIAL AND METHODS We analyzed an exome-based gene panel of 349 genes in 172 clinically well-characterized patients with magnetic resonance imaging (MRI)-proven, juvenile (age ≤ 55 years), ischemic stroke admitted to a single comprehensive stroke center. RESULTS Monogenetic diseases causing ischemic stroke were observed in five patients (2.9%): In three patients with lacunar stroke (1.7%), we identified pathogenic variants in NOTCH3 causing cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). Hence, CADASIL was identified at a frequency of 12.5% in the lacunar stroke subgroup. Further, in two male patients (1.2%) suffering from lacunar and cardioembolic stroke, pathogenic variants in GLA causing Fabry's disease were present. Additionally, genetic variants in monogenetic diseases lacking impact on stroke occurrence, variants of unclear significance (VUS) in monogenetic diseases, and (cardiovascular-) risk genes in ischemic stroke were observed in a total of 15 patients (15.7%). CONCLUSION Genetic screening for Fabry's disease in cardioembolic and lacunar stroke as well as CADASIL in lacunar stroke might be beneficial in routine medical work-up of acute juvenile ischemic stroke.
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Affiliation(s)
- Johanna Härtl
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Julia Hartberger
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Silke Wunderlich
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Isabell Cordts
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Cemsel Bafligil
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Marc Sturm
- School of Medicine, Institute of Medical Genetics and Applied Genomics, Eberhard Karls University, Universitaetsklinikum Tuebingen, Tuebingen, Germany
| | | | - Dominik Westphal
- School of Medicine, Klinikum rechts der Isar, Department of Cardiology, Technical University of Munich, Munich, Germany ,School of Medicine, Klinikum rechts der Isar, Technical University of Munich, Institute of Human Genetics, Munich, Germany
| | - Tobias Haack
- School of Medicine, Institute of Medical Genetics and Applied Genomics, Eberhard Karls University, Universitaetsklinikum Tuebingen, Tuebingen, Germany ,School of Medicine, Centre for Rare Diseases, Eberhard Karls University, Universitaetsklinikum Tuebingen, Tuebingen, Germany
| | - Bernhard Hemmer
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany ,Munich Cluster for Systems Neurology, (SyNergy), Munich, Germany
| | - Benno David Ikenberg
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675 Munich, Germany
| | - Marcus Deschauer
- School of Medicine, Klinikum rechts der Isar, Department of Neurology, Technical University of Munich, Ismaningerstr. 22, 81675, Munich, Germany.
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21
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Dupé C, Guey S, Biard L, Dieng S, Lebenberg J, Grosset L, Alili N, Hervé D, Tournier-Lasserve E, Jouvent E, Chevret S, Chabriat H. Phenotypic variability in 446 CADASIL patients: Impact of NOTCH3 gene mutation location in addition to the effects of age, sex and vascular risk factors. J Cereb Blood Flow Metab 2023; 43:153-166. [PMID: 36254369 PMCID: PMC9875352 DOI: 10.1177/0271678x221126280] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The recent discovery that the prevalence of cysteine mutations in the NOTCH3 gene responsible for CADASIL was more than 100 times higher in the general population than that estimated in patients highlighted that the mutation location in EGFr-like-domains of the NOTCH3 receptor could have a major effect on the phenotype of the disease. The exact impact of such mutations locations on the multiple facets of the disease has not been fully evaluated. We aimed to describe the phenotypic spectrum of a large population of CADASIL patients and to investigate how this mutation location influenced various clinical and imaging features of the disease. Both a supervised and a non-supervised approach were used for analysis. The results confirmed that the mutation location is strongly related to clinical severity and showed that this effect is mainly driven by a different development of the most damaging ischemic tissue lesions at cerebral level. These effects were detected in addition to those of aging, male sex, hypertension and hypercholesterolemia. The exact mechanisms relating the location of mutations along the NOTCH3 receptor, the amount or properties of the resulting NOTCH3 products accumulating in the vessel wall, and their final consequences at cerebral level remain to be determined.
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Affiliation(s)
- Charlotte Dupé
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France.,UMR 1141 NeuroDiderot, INSERM and Université Paris Cité, Paris, France
| | - Stéphanie Guey
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France.,UMR 1141 NeuroDiderot, INSERM and Université Paris Cité, Paris, France
| | - Lucie Biard
- ECSTRRA Team, UMR-S 1153, Université Paris Cité, INSERM, Paris, France
| | - Sokhna Dieng
- ECSTRRA Team, UMR-S 1153, Université Paris Cité, INSERM, Paris, France
| | - Jessica Lebenberg
- UMR 1141 NeuroDiderot, INSERM and Université Paris Cité, Paris, France
| | - Lina Grosset
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France
| | - Nassira Alili
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France
| | - Dominique Hervé
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France
| | | | - Eric Jouvent
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France.,UMR 1141 NeuroDiderot, INSERM and Université Paris Cité, Paris, France
| | - Sylvie Chevret
- ECSTRRA Team, UMR-S 1153, Université Paris Cité, INSERM, Paris, France
| | - Hugues Chabriat
- Translational Neurovascular Centre (CERVCO) and Department of Neurology, FHU NeuroVasc, Hopital Lariboisière, Assistance Publique des Hôpitaux de Paris APHP, Université Paris Cité, Paris, France.,UMR 1141 NeuroDiderot, INSERM and Université Paris Cité, Paris, France
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22
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Chang LH, Chi NF, Chen CY, Lin YS, Hsu SL, Tsai JY, Huang HC, Lin CJ, Chung CP, Tung CY, Jeng CJ, Lee YC, Liu YT, Lee IH. Monogenic Causes in Familial Stroke Across Intracerebral Hemorrhage and Ischemic Stroke Subtypes Identified by Whole-Exome Sequencing. Cell Mol Neurobiol 2022:10.1007/s10571-022-01315-3. [PMID: 36580209 DOI: 10.1007/s10571-022-01315-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 12/20/2022] [Indexed: 12/30/2022]
Abstract
Whole exome sequencing (WES) has been used to detect rare causative variants in neurological diseases. However, the efficacy of WES in genetic diagnosis of clinically heterogeneous familial stroke remains inconclusive. We prospectively searched for disease-causing variants in unrelated probands with defined familial stroke by candidate gene/hotspot screening and/or WES, depending on stroke subtypes and neuroimaging features at a referral center. The clinical significance of each variant was determined according to the American College of Medical Genetics guidelines. Among 161 probands (mean age at onset 53.2 ± 13.7 years; male 63.4%), 33 participants (20.5%) had been identified with 19 pathogenic/likely pathogenic variants (PVs; WES applied 152/161 = 94.4%). Across subtypes, the highest hit rate (HR) was intracerebral hemorrhage (ICH, 7/18 = 38.9%), particularly with the etiological subtype of structural vasculopathy (4/4 = 100%, PVs in ENG, KRIT1, PKD1, RNF213); followed by ischemic small vessel disease (SVD, 15/48 = 31.3%; PVs in NOTCH3, HTRA1, HBB). In contrast, large artery atherosclerosis (LAA, 4/44 = 9.1%) and cardioembolism (0/11 = 0%) had the lowest HR. NOTCH3 was the most common causative gene (16/161 = 9.9%), presenting with multiple subtypes of SVD (n = 13), ICH (n = 2), or LAA (n = 1). Importantly, we disclosed two previously unreported PVs, KRIT1 p.E379* in a familial cerebral cavernous malformation, and F2 p.F382L in a familial cerebral venous sinus thrombosis. The contribution of monogenic etiologies was particularly high in familial ICH and SVD subtypes in our Taiwanese cohort. Utilizing subtype-guided hotspot screening and/or subsequent WES, we unraveled monogenic causes in 20.5% familial stroke probands, including 1.2% novel PVs. Genetic diagnosis may enable early diagnosis, management and lifestyle modification. Among 161 familial stroke probands, 33 (20.5%) had been identified pathogenic or likely pathogenic monogenic variants related to stroke. The positive hit rate among all subtypes was high in intracerebral hemorrhage (ICH) and ischemic small vessel disease (SVD). Notably, two previously unreported variants, KRIT1 p.E379* in a familial cerebral cavernous malformation and F2 p.F382L in familial cerebral venous sinus thrombosis, were disclosed. CVT cerebral venous thrombosis; HTN Hypertensive subtype; LAA large artery atherosclerosis; SV structural vasculopathy; U Undetermined.
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Affiliation(s)
- Li-Hsin Chang
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Nai-Fang Chi
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chun-Yu Chen
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan
| | - Yung-Shuan Lin
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan
| | - Shao-Lun Hsu
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan
| | - Jui-Yao Tsai
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan
| | - Hui-Chi Huang
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan
| | - Chun-Jen Lin
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chih-Ping Chung
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chien-Yi Tung
- Cancer Progression Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chung-Jiuan Jeng
- Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Institute of Anatomy and Cell Biology, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan.,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yo-Tsen Liu
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan. .,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
| | - I-Hui Lee
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Department of Neurology, Neurological Institute, Taipei Veterans General Hospital, No. 201, Sec. 2, Shipai Rd., Beitou District, 11217, Taipei City, Taiwan. .,School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan. .,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.
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23
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Pan L, Chen Y, Zhao S. Recurrent generalized seizures as the prominent manifestation in a patient with CADASIL: a case report and literature review. BMC Neurol 2022; 22:375. [PMID: 36180846 PMCID: PMC9526332 DOI: 10.1186/s12883-022-02889-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 09/14/2022] [Indexed: 12/04/2022] Open
Abstract
Background Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited arteriopathy typically caused by mutations in the NOTCH-3 gene. Few detailed descriptions of recurrent generalized seizures in CADASIL has been reported. Case presentation This article details a case of recurrent generalized seizures, which eventually be diagnosed as CADASIL with a heterozygous variant, c.1630 C > T (p. Arg544Cys), in exon 11 of the Notch 3 gene. Here, we discussed the possible pathogenesis underlying the epilepsy associated with CADASIL through the brain magnetic resonance imaging changes and the captured epileptiform waves in the electroencephalography during the patient’s follow-up period. Related literatures were also reviewed to discuss the etiology of the epilepsy. Conclusions Recurrent generalized seizures may be a presenting neurological manifestation of CADASIL in the absence of other discernible causes. Clinicians should comprehensively seek the possible etiology of patients with recurrent generalized seizures, considering the possible diagnosis of CADASIL.
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Affiliation(s)
- Liuhua Pan
- Department of Neurology, the First Affiliated Hospital of China Medical University, Number 155, Nanjing Street, Heping District, Shenyang City, 110001, Liaoning Province, China
| | - Yan Chen
- Department of Neurology, the First Affiliated Hospital of China Medical University, Number 155, Nanjing Street, Heping District, Shenyang City, 110001, Liaoning Province, China
| | - Shanshan Zhao
- Department of Neurology, the First Affiliated Hospital of China Medical University, Number 155, Nanjing Street, Heping District, Shenyang City, 110001, Liaoning Province, China.
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24
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Ni W, Zhang Y, Zhang L, Xie JJ, Li HF, Wu ZY. Genetic spectrum of NOTCH3 and clinical phenotype of CADASIL patients in different populations. CNS Neurosci Ther 2022; 28:1779-1789. [PMID: 35822697 PMCID: PMC9532899 DOI: 10.1111/cns.13917] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/22/2022] [Accepted: 06/26/2022] [Indexed: 11/29/2022] Open
Abstract
Introduction Cerebral autosomal‐dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a relatively common cerebral small vessel disease. NOTCH3 has been identified as the causative gene of CADASIL. Clinical variability and genetic heterogeneity were observed in CADASIL patients and need to be further clarified. Aims The aim of the study was to clarify genetic spectrum of NOTCH3 and clinical phenotype of CADASIL patients. Methods Suspected CADASIL patients were collected by our center between 2016 and 2021. Whole exome sequencing was performed to screen NOTCH3 mutations of these patients. Genetic and clinical data of CADASIL patients from previous studies were also analyzed. Studies between 1998 and 2021 that reported more than 9 pedigrees with detailed genetic data or clinical data were included. After excluding patients carrying cysteine‐sparing mutations, genetic data of 855 Asian pedigrees (433 Chinese; 226 Japanese, and 196 Korean) and 546 Caucasian pedigrees, in a total of 1401 CADASIL pedigrees were involved in mapping mutation spectrum. Clinical data of 901 Asian patients (476 Chinese patients, 217 Japanese patients, and 208 Korean patients) and 720 Caucasian patients, in a total of 1621 patients were analyzed and compared between different populations. Results Two novel mutations (c.400T>C, p.Cys134Arg; c.1511G>A, p.Cys504Tyr) and 24 known cysteine‐affecting variants were identified in 36 pedigrees. Genetic spectrums of Asians (Chinese, Japanese, and Korean) and Caucasians were clarified, p.R544C and p.R607C were the most common mutations in Asians while p.R1006C and p.R141C in Caucasians. For clinical features, Asians were more likely to develop symptoms of TIA or ischemic stroke (p < 0.0001) and cognitive impairment (p < 0.0001). Nevertheless, Caucasians had a higher tendency to present migraine (p < 0.0001) and psychiatric disturbance (p < 0.0001). The involvement of temporal pole was more likely to happen in Caucasians (p < 0.0001). Conclusion The findings help to better understand the clinical variability and genetic heterogeneity of CADASIL.
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Affiliation(s)
- Wang Ni
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Yi Zhang
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Liang Zhang
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Juan-Juan Xie
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Hong-Fu Li
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhi-Ying Wu
- Department of Neurology and Department of Medical Genetics in the Second Affiliated Hospital, and Key Laboratory of Medical Neurobiology of Zhejiang Province, Zhejiang University School of Medicine, Hangzhou, China
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25
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Lin CW, Yang ZW, Chen CH, Cheng YW, Tang SC, Jeng JS. Reduced macular vessel density and inner retinal thickness correlate with the severity of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). PLoS One 2022; 17:e0268572. [PMID: 35617208 PMCID: PMC9135286 DOI: 10.1371/journal.pone.0268572] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/02/2022] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), caused by mutations in NOTCH3, is the most common cause of hereditary cerebral small vessel disease. Whether it will involve systemic vasculopathy such as retinal vessel remains unknown. Optical coherence tomography angiography (OCT-A) is a noninvasive technique for visualising retinal blood flow. We analysed vessel density and retinal thickness in patients with CADASIL and investigated their correlations with disease severity. METHODS This prospective study enrolled 35 patients with CADASIL (59 eyes) and 35 healthy controls (54 eyes). OCT-A was used to measure the vessel density of the macular region and the thickness of retinal layers. Patients with CADASIL were divided into stroke (n = 20) and nonstroke (n = 15) subgroups and underwent cognition and gait speed evaluation. Neuroimaging markers of cortical thickness, white matter hyperintensity, lacunae, and cerebral microbleeds were examined through brain magnetic resonance imaging. RESULTS The OCT-A parameters, including vessel density, were comparable between the patients with CADASIL and the controls. In patients with CADASIL, vessel density in the superficial retinal plexus in the macula as was inner retinal thickness was significantly lower in the stroke than the nonstroke subgroup. Macular vessel density and inner retinal thickness were positively correlated with gait speed, while negatively correlated with number of lacunae. CONCLUSIONS OCT-A is potentially a useful tool for evaluating disease severity, ischaemic burden, and neurodegeneration in patients with advanced CADASIL.
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Affiliation(s)
- Chao-Wen Lin
- Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan
| | - Zih-Wei Yang
- Department of Ophthalmology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chih-Hao Chen
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Jiann-Shing Jeng
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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26
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R558C NOTCH3 Mutation in a CADASIL Patient with Intracerebral Hemorrhage: A Case Report with Literature Review. J Stroke Cerebrovasc Dis 2022; 31:106541. [PMID: 35523050 DOI: 10.1016/j.jstrokecerebrovasdis.2022.106541] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/20/2022] [Accepted: 04/24/2022] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a monogenic cerebral small-vessel disease, which is characterized by migraine, recurrent ischemic strokes, psychiatric disorder, progressive cognitive decline, and occasionally intracerebral hemorrhage (ICH). ICH events have been reported in a high proportion of East Asian CADASIL patients with R544C mutation in exon 11 of NOTCH3; however, whether any other specific NOTCH3 mutation determines the ICH phenotype has yet to be explored. CASE PRESENTATION We report the case of a 60-year-old male CADASIL patient with a novel R558C mutation in exon 11 of the NOTCH3 gene, who presented with ICH in the basal ganglia and cerebellum. Brain imaging revealed multiple confluent white matter hyperintensities and abundant cerebral microbleeds (CMBs) in the bilateral basal ganglia, thalamus, and cerebellum. The patient had been having recurrent ischemic strokes prior to this ICH event, and had taken antiplatelet and antihypertensive agents for six months. We analyzed the possible reasons for ICH onset in the patient to recommend certain guidelines for the clinic. CONCLUSIONS Novel R558C mutation-related CADASIL vasculopathy and numerous CMBs, uncontrolled hypertension, and antiplatelet therapy could collectively contribute to ICH onset in the patient with CADASIL. These findings suggest that a diagnosis of CADASIL should also be considered when patients present with ICH, whenever MRI imaging reveals typical white matter abnormalities. Furthermore, this case report emphasizes the importance of CMB assessment, appropriate blood pressure control, and cautious assessment of the risk-benefits of antiplatelet medication in patients with CADASIL.
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27
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Wang YF, Liao YC, Tzeng YS, Chen SP, Lirng JF, Fuh JL, Chen WT, Lai KL, Lee YC, Wang SJ. Mutation screening and association analysis of NOTCH3 p.R544C in patients with migraine with or without aura. Cephalalgia 2022; 42:888-898. [PMID: 35302383 DOI: 10.1177/03331024221080891] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The role of the NOTCH3 p.R544C variant, the predominant variant of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy in multiple East Asian regions, in migraine is unknown. METHODS Migraine patients (n = 2,884) (2,279F/605M, mean age 38.8 ± 11.7 years), including 324 (11.2%) with migraine with aura, were prospectively enrolled by headache specialists according to the International Classification of Headache Disorders criteria. These patients and 3,502 population controls free of stroke, dementia, and headache were genotyped for NOTCH3 p.R544C by TaqMan genotyping assay or Axiom Genome-Wide TWB 2.0 Array. Clinical manifestations and brain magnetic resonance images were examined and compared between migraine patients with and without NOTCH3 p.R544C. RESULTS Thirty-two migraine patients (1.1%) and 36 controls (1.0%) harbored the p.R544C variant, and the percentages were comparable among migraine patients without and with aura, and controls (1.2%, vs. 0.6% vs. 1.0%, p = 0.625). Overall, migraine patients with and without the p.R544C variant had similar percentages of migraine with aura, headache characteristics, frequencies and disabilities. However, those with p.R544C were less likely to have pulsatile headaches (50.0% vs. 68.2%, p = 0.028), and more likely to have moderate to severe white matter hyperintensities in the external capsule (18.8% vs. 1.2%, p = 0.006) and anterior temporal lobe (12.5% vs. 0%, p = 0.008). CONCLUSIONS Our findings suggest that NOTCH3 p.R544C does not increase the risk of migraine with aura, or migraine as a whole, and generally does not alter clinical manifestations of migraine. The role of NOTCH3 variants, as well as potential influences from ethnicity or modifier genes, in migraine needs to be further clarified.
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Affiliation(s)
- Yen-Feng Wang
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Chu Liao
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Shiang Tzeng
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Shih-Pin Chen
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Division of Translational Research, Department of Medical Research, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Jiing-Feng Lirng
- College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Department of Radiology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Jong-Ling Fuh
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Wei-Ta Chen
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Kuan-Lin Lai
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Shuu-Jiun Wang
- Department of Neurology, Neurological Institute, 46615Taipei Veterans General Hospital, Taipei Veterans General Hospital, Taipei, Taiwan.,College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan.,Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
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Guo W, Xu B, Sun H, Ma J, Mei S, Zeng J, Sun J, Xu E. Case Report: Progressive Asymmetric Parkinsonism Secondary to CADASIL Without Dementia. Front Neurol 2022; 12:760164. [PMID: 35082744 PMCID: PMC8785823 DOI: 10.3389/fneur.2021.760164] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 12/16/2021] [Indexed: 11/13/2022] Open
Abstract
Parkinsonism is a rare phenotype of cerebral autosomal dominant arteriopathy with subcortical infarction and leukoencephalopathy (CADASIL), all of which involve cognitive decline. Normal cognition has not been reported in previous disease studies. Here we report the case of a 60-year-old female patient with a 2-year history of progressive asymmetric parkinsonism. On examination, she showed severe parkinsonism featuring bradykinesia and axial and limb rigidity with preserved cognition. Magnetic resonance imaging (MRI) revealed white matter hyperintensity in the external capsule and periventricular region. Dopaminergic response was limited. A missense mutation c.1630C>T (p.R544C) on the NOTCH3 gene was identified on whole-exome sequencing, which confirmed the diagnosis of vascular parkinsonism secondary to CADASIL. A diagnosis of CADASIL should be considered in asymmetric parkinsonism without dementia. Characteristic MRI findings support the diagnosis.
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Affiliation(s)
- Weihang Guo
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China
| | - Baolei Xu
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China.,Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson's Disease Center of Beijing Institute for Brain Disorders, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
| | - Hong Sun
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China.,Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson's Disease Center of Beijing Institute for Brain Disorders, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
| | - Jinghong Ma
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China.,Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson's Disease Center of Beijing Institute for Brain Disorders, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
| | - ShanShan Mei
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China.,Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson's Disease Center of Beijing Institute for Brain Disorders, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
| | - Jingrong Zeng
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China
| | - Junyan Sun
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
| | - Erhe Xu
- Department of Neurobiology, Neurology and Geriatrics, Xuanwu Hospital of Capital Medical University, Beijing Institute of Geriatrics, Beijing, China.,Clinical Center for Parkinson's Disease, Capital Medical University, Beijing, China.,Key Laboratory for Neurodegenerative Disease of the Ministry of Education, Beijing Key Laboratory for Parkinson's Disease, Parkinson's Disease Center of Beijing Institute for Brain Disorders, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China
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29
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Cognition, mood and behavior in CADASIL. CEREBRAL CIRCULATION - COGNITION AND BEHAVIOR 2022; 3:100043. [PMID: 36324403 PMCID: PMC9616390 DOI: 10.1016/j.cccb.2022.100043] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/06/2022] [Accepted: 02/06/2022] [Indexed: 01/02/2023]
Abstract
CADASIL is responsible for cognitive, mood or behavior disturbances. Cognitive disturbances range from moderate cognitive slowing to impairment of executive functions and may progress to a global decrease of cognitive efficiency up to severe dementia. Mood disturbances are extremely variable in intensity, depression is the most frequent symptom. Behavioral changes may occur at all stage of the disease, but are often associated with the onset of cognitive alterations. Apathy is the most prominent behavior alteration.
CADASIL is the most common familial cerebral small vessel disease (cSVD). Stereotyped mutations of the NOTCH3 gene are responsible for this archetypal ischemic cSVD that can lead, at the very end stage, to severe dementia. Variable cognitive alterations, mood, or behavior disturbances are frequently observed during the course of the disease. In this review, these clinical manifestations, their occurrence, severity and duration are analyzed in relation to the disease progression. Also, the potential relationships with cerebral lesions and treatment options are discussed.
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30
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Paraskevas GP, Stefanou MI, Constantinides VC, Bakola E, Chondrogianni M, Giannopoulos S, Kararizou E, Boufidou F, Zompola C, Tsantzali I, Theodorou A, Palaiodimou L, Vikelis M, Lachanis S, Papathanasiou M, Bakirtzis C, Koutroulou I, Karapanayiotides T, Xiromerisiou G, Kapaki E, Tsivgoulis G. CADASIL in Greece: Mutational spectrum and clinical characteristics based on a systematic review and pooled analysis of published cases. Eur J Neurol 2021; 29:810-819. [PMID: 34761493 DOI: 10.1111/ene.15180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 11/07/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Differences have been noted in the clinical presentation and mutational spectrum of CADASIL among various geographical areas. The aim of the present study was to investigate the mode of clinical presentation and genetic mutations reported in Greece. METHODS After a systematic literature search, we performed a pooled analysis of all published CADASIL cases from Greece. RESULTS We identified 14 studies that reported data from 14 families comprising 54 patients. Migraine with aura was reported in 39%, ischemic cerebrovascular diseases in 68%, behavioral-psychiatric symptoms in 47% and cognitive decline in 60% of the patients. The mean (±SD) age of onset for migraine with aura, ischemic cerebrovascular diseases, behavioral-psychiatric symptoms and cognitive decline was 26.2 ± 8.7, 49.3 ± 14.6, 47.9 ± 9.4 and 42.9 ± 10.3, respectively; the mean age at disease onset and death was 34.6 ± 12.1 and 60.2 ± 11.2 years. With respect to reported mutations, mutations in exon 4 were the most frequently reported (61.5% of all families), with the R169C mutation being the most common (30.8% of all families and 50% of exon 4 mutations), followed by R182C mutation (15.4% of all families and 25% of exon 4 mutations). CONCLUSIONS The clinical presentation of CADASIL in Greece is in accordance with the phenotype encountered in Caucasian populations, but differs from the Asian phenotype, which is characterized by a lower prevalence of migraine and psychiatric symptoms. The genotype of Greek CADASIL pedigrees is similar to that of British pedigrees, exhibiting a high prevalence of exon 4 mutations, but differs from Italian and Asian populations, where mutations in exon 11 are frequently encountered.
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Affiliation(s)
- George P Paraskevas
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Ioanna Stefanou
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Vasilios C Constantinides
- First Department of Neurology, School of Medicine, "Eginition" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Eleni Bakola
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Maria Chondrogianni
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Sotirios Giannopoulos
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Evangelia Kararizou
- First Department of Neurology, School of Medicine, "Eginition" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Fotini Boufidou
- First Department of Neurology, School of Medicine, "Eginition" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christina Zompola
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioanna Tsantzali
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Aikaterini Theodorou
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Lina Palaiodimou
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | | | | | - Matilda Papathanasiou
- Second Department of Radiology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Christos Bakirtzis
- Second Department of Neurology, School of Medicine, "AHEPA" University Hospital of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioanna Koutroulou
- Second Department of Neurology, School of Medicine, "AHEPA" University Hospital of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Theodoros Karapanayiotides
- Second Department of Neurology, School of Medicine, "AHEPA" University Hospital of Thessaloniki, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgia Xiromerisiou
- Department of Neurology, School of Medicine, School of Health Sciences, University Hospital of Larissa, University of Thessaly, Larissa, Greece
| | - Elisabeth Kapaki
- First Department of Neurology, School of Medicine, "Eginition" University Hospital, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Tsivgoulis
- Second Department of Neurology, School of Medicine, "Attikon" University Hospital, National and Kapodistrian University of Athens, Athens, Greece.,Department of Neurology, University of Tennessee Health Science Center, Memphis, Tennessee, USA
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Min JY, Park SJ, Kang EJ, Hwang SY, Han SH. Mutation spectrum and genotype-phenotype correlations in 157 Korean CADASIL patients: a multicenter study. Neurogenetics 2021; 23:45-58. [PMID: 34741685 DOI: 10.1007/s10048-021-00674-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 10/24/2021] [Indexed: 10/19/2022]
Abstract
CADASIL is an inherited disease caused by mutations in the NOTCH3 gene. We aimed to investigate the mutation and clinical spectrum, and genotype-phenotype correlations of Korean CADASIL patients. Samples from 492 clinically suspicious patients were collected from four hospitals. Sanger sequencing was performed to screen exons 2 to 25 of the NOTCH3 gene and variants of unknown significance (VUS) were analyzed using the ACMG guidelines. The medical records and MRI data were received from each hospital, for comprehensive analysis of genotype-phenotype correlations. Previously reported NOTCH3 variants were most commonly detected in exon 11 whereas exon 4 was the most common in European studies. The variants were detected equally between the EGFr domains 1-6 and 7-34, which was different from EGFr 1-6 predominant European studies. The average age-of-onset of patients with EGFr 1-6 variants were 4.81 ± 1.95 years younger than patients with EGFr 7-34 variants. Overall, it took Korean patients 51.2 ± 10 years longer to develop CADASIL in comparison to European patients. The most common mutation was p.R544C, which was associated with a later onset of stroke and a significant time-to-event curve difference. We verified four atypical phenotypes of p.R544C that had been reported in previous studies. Eight novel variants in 15 patients were detected but remained a VUS based on the ACMG criteria. This study reported a different EGFr distribution of Korean patients in comparison to European patients and its correlation with a later age-of-onset. An association between a later onset of stroke/TIA and p.R544C was observed.
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Affiliation(s)
- Ji-You Min
- Division of Biotechnology, Bio-Core Co. Ltd., 6954 IT valley 13, Heungdeok 1-ro, Giheung-gu, Yongin, Korea.,Department of Brain and Cognitive Sciences, Ewha Womans University, Seoul, Korea
| | - Seo-Jin Park
- Department of Laboratory Medicine, Ajou University School of Medicine, Suwon, Korea
| | - Eun-Joo Kang
- Division of Biotechnology, Bio-Core Co. Ltd., 6954 IT valley 13, Heungdeok 1-ro, Giheung-gu, Yongin, Korea
| | - Seung-Yong Hwang
- Division of Biotechnology, Bio-Core Co. Ltd., 6954 IT valley 13, Heungdeok 1-ro, Giheung-gu, Yongin, Korea
| | - Sung-Hee Han
- Division of Biotechnology, Bio-Core Co. Ltd., 6954 IT valley 13, Heungdeok 1-ro, Giheung-gu, Yongin, Korea.
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Chen CY, Lin PT, Wang YH, Syu RW, Hsu SL, Chang LH, Tsai JY, Huang HC, Liu TC, Lin CJ, Tang CW, Hsu LC, Chung CP, Liu HY, Chi NF, Lee IH. Etiology and risk factors of intracranial hemorrhage and ischemic stroke in young adults. J Chin Med Assoc 2021; 84:930-936. [PMID: 34380990 DOI: 10.1097/jcma.0000000000000598] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Young stroke incidence has increased worldwide with lifestyle changes. Etiology and risk factors for both ischemic and hemorrhagic stroke in young Asians remain underexplored. METHODS We retrospectively reviewed consecutive acute stroke patients aged 16-45 years admitted to the Taipei Veterans General Hospital between 2009 and 2019 to analyze etiologic subtypes, risk factors, and serial modified Rankin Scale scores for 1 year and compare the age groups of 16-30 and 31-45 years. RESULTS Among 670 young Taiwanese patients (mean age at onset 37.5 ± 7.0 years; male 65.1%), there were 366 nontraumatic spontaneous hemorrhagic stroke (including 259 intracerebral hemorrhage [ICH] and 107 subarachnoid hemorrhage, SAH), 292 ischemic stroke and 12 cerebral venous thromboses. Notably, ICH was more prevalent in patients aged 16-30 than in those aged 31-45 (54.8% vs 36.8%). Specifically, structural vasculopathy (e.g., arteriovenous malformation, cavernoma) was the most common etiologic subtype in patients aged 16-30 (p < 0.001), whereas hypertensive ICH was the most common subtype in patients aged 31-45 (p < 0.001). On the other hand, the top ischemic subtype for both age groups was other determined diseases (e.g., arterial dissection, autoimmune diseases, moyamoya disease, etc.) rather than large artery atherosclerosis. Hyperlipidemia, diabetes, and cigarette smoking were more common risk factors for infarction than ICH. Familial stroke patients whose first- or second-degree relatives had a stroke by age 80 (n = 104, 15.5%) had more infarctions than those without a familial stroke history. In multivariate analyses, initial stroke severity, and infarction type were important predictors of favorable outcomes after 3 months. At the 1-year follow-up, patients with ICH and SAH had worse functional outcomes and survival rates than those with infarction. CONCLUSION An aggressive approach to elucidate the etiology of stroke is indicated because structural vasculopathy-induced ICH and other determined infarction are distinctively prevalent in young adults, particularly those aged 16-30.
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Affiliation(s)
- Chun-Yu Chen
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Department of Medicine, Taipei Veterans General Hospital Yuli Branch, Hualian, Taiwan, ROC
| | - Po-Tso Lin
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Yun-Huei Wang
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Ruei-Wun Syu
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Medical Department, Taipei Veterans General Hospital Hsinchu branch, Hsinchu, Taiwan, ROC
| | - Shao-Lun Hsu
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Li-Hsin Chang
- Institute of Brain Science, Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Jui-Yao Tsai
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Hui-Chi Huang
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Tzu-Ching Liu
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chun-Jen Lin
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
| | - Chih-Wei Tang
- Department of Neurology, Far Eastern Memorial Hospital, New Taipei City, Taiwan, ROC
| | - Li-Chi Hsu
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Chih-Ping Chung
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Hung-Yu Liu
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Nai-Fang Chi
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - I-Hui Lee
- Division of Cerebrovascular Diseases, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ROC
- Institute of Brain Science, Brain Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
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Chen CH, Hsu HC, Cheng YW, Chen YF, Tang SC, Jeng JS. Prominent juxtacortical white matter lesion hallmarks NOTCH3-related intracerebral haemorrhage. Stroke Vasc Neurol 2021; 7:38-46. [PMID: 34344799 PMCID: PMC8899689 DOI: 10.1136/svn-2021-001020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 07/11/2021] [Indexed: 11/21/2022] Open
Abstract
Background and purpose NOTCH3 p.R544C mutation accounts for 5% of spontaneous intracerebral haemorrhage (ICH) in East Asian patients. We investigated whether certain CT features are associated with NOTCH3-related ICH. Methods Patients with spontaneous ICH from a prospective stroke registry were screened for NOTCH3 p.R544C mutation. The neuroimaging features on the initial non-contrast CT scans selected to predict NOTCH3 p.R544C mutation, including burden of white matter lesion (WML), degree of brain atrophy, number of lacunes, prominent juxtacortical WML and prominent lobar lacunes, were analysed by neuroradiologists blinded to the mutation status. Results Of 299 patients with spontaneous ICH (mean age, 61 years; male, 68%; ICH volumes, 14.1±17.8 mL), 13 patients (4.3%) carried NOTCH3 p.R544C mutation. The clinical features, haematoma size and location were similar between NOTCH3 p.R544C mutation carriers and non-carriers. The CT scan revealed that patients with NOTCH3 p.R544C mutation had more severe WML and more frequently had prominent juxtacortical WML (69.2% vs 17.8%, p<0.001), and the effects were not driven by ageing as seen in patients without mutation. Prominent juxtacortical WML (area under receiver operating characteristic curve=0.76) outperformed the total WML score and prominent lobar lacunes and significantly predicted NOTCH3 p.R544C mutation in a multivariable-adjusted model (OR, 20.9; 95% CI 4.94 to 88.6). Conclusion In patients with spontaneous ICH, the severity and topographic distribution of WML can help in identifying potential NOTCH3 mutation-related ICH.
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Affiliation(s)
- Chih-Hao Chen
- Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Hao-Chia Hsu
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan
| | - Ya-Fang Chen
- Medical Imaging, National Taiwan University Hospital, Taipei, Taiwan
| | - Sung-Chun Tang
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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Hu Y, Sun Q, Zhou Y, Yi F, Tang H, Yao L, Tian Y, Xie N, Luo M, Wang Z, Liao X, Xu H, Zhou L. NOTCH3 Variants and Genotype-Phenotype Features in Chinese CADASIL Patients. Front Genet 2021; 12:705284. [PMID: 34335700 PMCID: PMC8320595 DOI: 10.3389/fgene.2021.705284] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/16/2021] [Indexed: 12/05/2022] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a cerebral small vessel disease caused by mutations in the NOTCH3 gene. Archetypal disease-causing mutations are cysteine-affecting variants within the 34 epidermal growth factor-like repeat (EGFr) region of the Notch3 extracellular subunit. Cysteine-sparing variants and variants outside the EGFr coding region associated with CADASIL phenotype have been reported. However, the linkage between untypical variants and CADASIL is unclear. In this study, we investigated the spectrum of NOTCH3 variants in a cohort of 38 probands from unrelated families diagnosed as CADASIL. All coding exons of the NOTCH3 gene were analyzed, and clinical data were retrospectively studied. We identified 23 different NOTCH3 variants including 14 cysteine-affecting pathogenic variants, five cysteine-sparing pathogenic variants, two reported cysteine-sparing variants of unknown significance (VUS), and two novel VUS outside EGFr region. In retrospective studies of clinical data, we found that patients carrying cysteine-sparing pathogenic variants showed later symptom onset (51.36 ± 7.06 vs. 44.96 ± 8.82, p = 0.023) and milder temporal lobe involvement (1.50 ± 1.74 vs. 3.11 ± 2.32, p = 0.027) than patients carrying cysteine-affecting pathogenic variants. Our findings suggested that untypical variants comprise a significant part of NOTCH3 variants and may be associated with a distinctive phenotype.
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Affiliation(s)
- Yacen Hu
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Qiying Sun
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yafang Zhou
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Fang Yi
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Haiyun Tang
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Lingyan Yao
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yun Tian
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Nina Xie
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Mengchuan Luo
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Zhiqin Wang
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xinxin Liao
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hongwei Xu
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Lin Zhou
- Department of Geriatric Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
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35
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Liu Y, Huang S, Yu L, Li T, Diao S, Chen Z, Zhou G, Sheng X, Xu Y, Fang Q. A Chinese CADASIL Family with a Novel Mutation on Exon 10 of Notch3 Gene. J Stroke Cerebrovasc Dis 2021; 30:105674. [PMID: 34119749 DOI: 10.1016/j.jstrokecerebrovasdis.2021.105674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 02/05/2021] [Accepted: 02/06/2021] [Indexed: 10/21/2022] Open
Abstract
BACKGROUND Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), which is caused by the Notch3 gene mutation, has its unique clinical and imaging characteristics. Here we present a Chinese family with a novel mutation on exon 10 of Notch3 gene. METHODS Clinical and MRI data of the three patients in the family during the 7-year follow-up were collected. The CADASIL Scale Score was calculated to evaluate the disease risk of the three patients at their first admission or clinic visit. Five family members underwent genetic test. RESULTS Genetic test confirmed the diagnosis of CADASIL in this family. A novel mutation of p.C533S on exon 10 of Notch3 gene was detected. The CADASIL score of the proband and her sister was both 17 and that of her brother was 14. CONCLUSIONS Our report not only expands the mutation spectrum of Notch3 gene in CADASIL, but also shows the distinct heterogeneity of CADASIL patients in the same family with the same mutation.
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Affiliation(s)
- Yuan Liu
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China; Department of Neurology, Suzhou Ninth People's Hospital, Suzhou 215200, China
| | - Shicun Huang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Liqiang Yu
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Tan Li
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Shanshan Diao
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Zhiguo Chen
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Guoqing Zhou
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - Xihua Sheng
- Department of Neurology, Suzhou Ninth People's Hospital, Suzhou 215200, China
| | - Yuan Xu
- Department of Neurology, Suzhou Ninth People's Hospital, Suzhou 215200, China.
| | - Qi Fang
- Department of Neurology, The First Affiliated Hospital of Soochow University, Suzhou 215006, China.
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Zhang C, Li S, Li W, Niu S, Wang X, Zhang Z. Genotypic and Phenotypic Characteristics of Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy from China. Eur Neurol 2021; 84:237-245. [PMID: 34004599 DOI: 10.1159/000508950] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 05/22/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND AND PURPOSE Studies have shown characteristics of genotypes and phenotypes in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). This study aimed to describe the clinical and genetic characteristics of and correlations between the genotypes and phenotypes observed in CADASIL in China on the basis of exon classification. METHODS Consecutive Chinese patients with CADASIL were evaluated. The detailed clinical and genetic features of CADASIL patients were collected. Genotypic and phenotypic characteristics were compared among 3 CADASIL groups: group 1 included patients with NOTCH3 mutations in exons 3-4, group 2 included those with NOTCH3 mutations in exon 11, and group 3 included those with NOTCH3 mutations in other exons. RESULTS A total of 46 patients with CADASIL were evaluated. A comparison of 3 groups with mutations in different NOTCH3 exons revealed that individuals with exon 11 mutations were diagnosed at the oldest age, had the lowest modified Rankin Scale (mRS) scores, and were most likely to have basal ganglia (BG) enlarged perivascular spaces (EPVS) > 20 and atrophy. There were no significant clinical or neuroimaging differences between patients with mutations in exons 3-4 and those with mutations in other exons. CONCLUSIONS Clinical and neuroimaging features are different among Chinese patients with mutations in exons 3-4, exon 11, or other exons. Exon 11 showed characterized phenotype (the oldest age at diagnosis, the lowest mRS scores, and were most likely to have BG EPVS > 20 and atrophy), there were no significant differences between exons 3-4 and other exons.
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Affiliation(s)
- Chen Zhang
- Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shaowu Li
- Department of Neuroimaging, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Wei Li
- Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Songtao Niu
- Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xingao Wang
- Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Zaiqiang Zhang
- Department of Neurology, China National Clinical Research Center for Neurological Diseases, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Guo L, Jiao B, Liao X, Xiao X, Zhang W, Yuan Z, Liu X, Zhou L, Wang X, Zhu Y, Yang Q, Wang J, Tang B, Shen L. The role of NOTCH3 variants in Alzheimer's disease and subcortical vascular dementia in the Chinese population. CNS Neurosci Ther 2021; 27:930-940. [PMID: 33942994 PMCID: PMC8265940 DOI: 10.1111/cns.13647] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 04/06/2021] [Accepted: 04/07/2021] [Indexed: 01/05/2023] Open
Abstract
AIMS NOTCH3 gene mutations predominantly cause cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy, a common etiology of subcortical vascular dementia (SVaD). Besides, there may be a pathogenic link between NOTCH3 variants and Alzheimer's disease (AD). We aimed to study the role of NOTCH3 variants in AD and SVaD patients. METHODS We recruited 763 patients with dementia (667 AD and 96 SVaD) and 365 healthy controls from the Southern Han Chinese population. Targeted capture sequencing was performed on NOTCH3 coding and adjacent intron regions to detect the pathogenic variants in AD and SVaD. The relationship between common or rare NOTCH3 variants and AD was further analyzed using Plink1.9. RESULTS Five known pathogenic variants (p.R182C, p.C201S, p.R544C, p.R607C, and p.R1006C) and two novel likely pathogenic variants (p.C201F and p.C1061F) were detected in 16 SVaD patients. Additionally, no pathogenic or likely pathogenic variants were found in AD patients. NOTCH3 was not associated with AD in either single-variant association analysis or gene-based association analysis. CONCLUSION Our findings broaden the mutational spectrum of NOTCH3 and validate the pathogenic role of NOTCH3 mutations in SVaD, but do not support the notion that NOTCH3 variation influences the risk of AD.
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Affiliation(s)
- Lina Guo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Bin Jiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, China.,Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
| | - Xinxin Liao
- Department of Geriatrics Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xuewen Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Weiwei Zhang
- Department of Radiology, Xiangya Hospital, Central South University, Changsha, China
| | - Zhenhua Yuan
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xixi Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Lu Zhou
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Xin Wang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Yuan Zhu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Qijie Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China
| | - Junling Wang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, China.,Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
| | - Beisha Tang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, China.,Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China
| | - Lu Shen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, China.,National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, China.,Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, China
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Wei CY, Yang JH, Yeh EC, Tsai MF, Kao HJ, Lo CZ, Chang LP, Lin WJ, Hsieh FJ, Belsare S, Bhaskar A, Su MW, Lee TC, Lin YL, Liu FT, Shen CY, Li LH, Chen CH, Wall JD, Wu JY, Kwok PY. Genetic profiles of 103,106 individuals in the Taiwan Biobank provide insights into the health and history of Han Chinese. NPJ Genom Med 2021; 6:10. [PMID: 33574314 PMCID: PMC7878858 DOI: 10.1038/s41525-021-00178-9] [Citation(s) in RCA: 107] [Impact Index Per Article: 35.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 01/06/2021] [Indexed: 02/06/2023] Open
Abstract
Personalized medical care focuses on prediction of disease risk and response to medications. To build the risk models, access to both large-scale genomic resources and human genetic studies is required. The Taiwan Biobank (TWB) has generated high-coverage, whole-genome sequencing data from 1492 individuals and genome-wide SNP data from 103,106 individuals of Han Chinese ancestry using custom SNP arrays. Principal components analysis of the genotyping data showed that the full range of Han Chinese genetic variation was found in the cohort. The arrays also include thousands of known functional variants, allowing for simultaneous ascertainment of Mendelian disease-causing mutations and variants that affect drug metabolism. We found that 21.2% of the population are mutation carriers of autosomal recessive diseases, 3.1% have mutations in cancer-predisposing genes, and 87.3% carry variants that affect drug response. We highlight how TWB data provide insight into both population history and disease burden, while showing how widespread genetic testing can be used to improve clinical care.
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Affiliation(s)
- Chun-Yu Wei
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jenn-Hwai Yang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Erh-Chan Yeh
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Ming-Fang Tsai
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Hsiao-Jung Kao
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chen-Zen Lo
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Lung-Pao Chang
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Wan-Jia Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Feng-Jen Hsieh
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Saurabh Belsare
- Institute for Human Genetics, University of California, San Francisco, CA, USA
| | - Anand Bhaskar
- Department of Genetics, Stanford University, Stanford, CA, USA
| | - Ming-Wei Su
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Te-Chang Lee
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Yi-Ling Lin
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Fu-Tong Liu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chen-Yang Shen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Ling-Hui Li
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Chien-Hsiun Chen
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Jeffrey D Wall
- Institute for Human Genetics, University of California, San Francisco, CA, USA
| | - Jer-Yuarn Wu
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan
| | - Pui-Yan Kwok
- Institute of Biomedical Sciences, Academia Sinica, Taipei, Taiwan.
- Institute for Human Genetics, University of California, San Francisco, CA, USA.
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Liao YC, Hu YC, Chung CP, Wang YF, Guo YC, Tsai YS, Lee YC. Intracerebral Hemorrhage in Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy: Prevalence, Clinical and Neuroimaging Features and Risk Factors. Stroke 2021; 52:985-993. [PMID: 33535780 DOI: 10.1161/strokeaha.120.030664] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND PURPOSE Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a monogenic cerebral small vessel disease. The role of intracerebral hemorrhage (ICH) in CADASIL remains elusive. The present study aims to investigate the prevalence, characteristics, and risk factors for ICH in CADASIL. METHODS This retrospective cross-sectional study investigated ICH and cerebral microbleeds (CMBs) in brain susceptibility-weighted imaging or T2*-weighted gradient-recalled echo images of 127 Taiwanese patients with genetically confirmed CADASIL. We analyzed CMBs, lacunes, white matter hyperintensity, and perivascular space. The total small vessel disease score (range, 0-4) was calculated to estimate the overall magnetic resonance imaging burden of small vessel disease. Multivariate regression analysis was performed to identify factors related to ICH lesions in CADASIL. RESULTS Thirty-seven ICH lesions, including 15 symptomatic and 22 asymptomatic lesions, were found in 27 (21.3% [95% CI, 14.0%-30.9%]) of the 127 patients with CADASIL. The thalamus and lobar regions were the most common ICH locations, and 72.7% of the lobar hemorrhages occurred silently. Patients with CADASIL with ICH lesions more often had hypertension and a higher total small vessel disease score than those without ICH (odds ratio [95% CI]: 3.22 [1.25-8.30] and 3.79 [1.51-9.51]). The presence of CMBs in the brain stem and a total CMB count >10 were independently associated with ICH lesions in patients with CADASIL, with odds ratio (95% CI) of 5.82 (1.80-18.80) and 3.83 (1.08-13.67), respectively. CONCLUSIONS ICH is an underestimated but important manifestation of CADASIL. The location and number of CMBs are associated with the presence of ICH lesions in patients with CADASIL.
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Affiliation(s)
- Yi-Chu Liao
- Department of Neurology, Taipei Veterans General Hospital, Taiwan (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee.)
- Department of Neurology (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
- Brain Research Center (Y.-C. Liao, C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
| | - Yu-Chen Hu
- Department of Neurology, Taipei Veterans General Hospital, Taiwan (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee.)
- Department of Neurology (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
- Department of Neurology, Sijhih Cathay General Hospital, New Taipei City, Taiwan (Y.-C.H.)
| | - Chih-Ping Chung
- Department of Neurology, Taipei Veterans General Hospital, Taiwan (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee.)
- Department of Neurology (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
- Brain Research Center (Y.-C. Liao, C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
| | - Yen-Feng Wang
- Department of Neurology, Taipei Veterans General Hospital, Taiwan (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee.)
- Department of Neurology (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
- Brain Research Center (Y.-C. Liao, C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
| | - Yuh-Cherng Guo
- Institute of Clinical Medicine (Y.-C.G.), National Yang-Ming University, Taipei, Taiwan
- Department of Neurology, China Medical University Hospital, Taichung, Taiwan (Y.-C.G.)
- School of Medicine, College of Medicine, China Medical University, Taichung, Taiwan (Y.-C.G.)
| | - Yu-Shuen Tsai
- Center for Systems and Synthetic Biology (Y.-S.T), National Yang-Ming University, Taipei, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Taipei Veterans General Hospital, Taiwan (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee.)
- Department of Neurology (Y.-C. Liao., Y.-C.H., C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
- Brain Research Center (Y.-C. Liao, C.-P.C., Y.-F.W., Y.-C. Lee), National Yang-Ming University, Taipei, Taiwan
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Chen Z, Tan YJ, Lian MM, Tandiono M, Foo JN, Lim WK, Kandiah N, Tan EK, Ng ASL. High Diagnostic Utility Incorporating a Targeted Neurodegeneration Gene Panel With MRI Brain Diagnostic Algorithms in Patients With Young-Onset Cognitive Impairment With Leukodystrophy. Front Neurol 2021; 12:631407. [PMID: 33597917 PMCID: PMC7882677 DOI: 10.3389/fneur.2021.631407] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 01/11/2021] [Indexed: 12/30/2022] Open
Abstract
Leukodystrophies are a diverse group of genetic disorders that selectively involve the white matter of the brain and are a frequent cause of young-onset cognitive impairment. Genetic diagnosis is challenging. Data on the utility of incorporating brain magnetic resonance imaging (MRI) diagnostic algorithms with next-generation sequencing (NGS) for diagnosis in a real-life clinical setting is limited. We performed sequencing using a custom-designed panel of 200 neurodegeneration-associated genes on 45 patients with young-onset cognitive impairment with leukodystrophy, and classified them based on van der Knaap et al.'s MRI diagnostic algorithm. We found that 20/45 (44.4%) patients carried pathogenic variants or novel variants predicted to be pathogenic (one in CSF1R, two in HTRA1 and 17 in NOTCH3). All patients with an established genetic diagnosis had an MRI brain pattern consistent with a specific genetic condition/s. More than half (19/37, 51.4%) of patients with MRI changes consistent with vascular cognitive impairment secondary to small vessel disease (VCI-SVD) had pathogenic variants, including all patients with pathogenic NOTCH3 (17/19, 89.5%) and HTRA1 variants (2/19, 11.5%). Amongst patients harboring pathogenic NOTCH3 variants, 13/17 (76.5%) carried the p.R544C variant seen predominantly in East Asians. Anterior temporal white matter involvement was seen only in patients with pathogenic NOTCH3 variants (6/17, 35.3%). Overall, we demonstrated a high diagnostic utility incorporating a targeted neurodegeneration gene panel and MRI-based diagnostic algorithms in young-onset cognitive impairment patients with leukodystrophy.
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Affiliation(s)
- Zhiyong Chen
- Department of Neurology, National Neuroscience Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Yi Jayne Tan
- Department of Neurology, National Neuroscience Institute, Tan Tock Seng Hospital, Singapore, Singapore
| | - Michelle M Lian
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Moses Tandiono
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | - Jia Nee Foo
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore.,Human Genetics, Genome Institute of Singapore, ASTAR, Singapore, Singapore
| | - Weng Khong Lim
- Singhealth Duke-NUS Institute of Precision Medicine, Singapore, Singapore.,Cancer & Stem Cell Biology Program, Duke-NUS Medical School, Singapore, Singapore
| | - Nagaendran Kandiah
- Department of Neurology, National Neuroscience Institute, Tan Tock Seng Hospital, Singapore, Singapore.,Neuroscience and Behavioural Disorders Program, Duke-NUS Medical School, Singapore, Singapore
| | - Eng-King Tan
- Neuroscience and Behavioural Disorders Program, Duke-NUS Medical School, Singapore, Singapore.,Department of Neurology, National Neuroscience Institute, Singapore General Hospital, Singapore, Singapore
| | - Adeline S L Ng
- Department of Neurology, National Neuroscience Institute, Tan Tock Seng Hospital, Singapore, Singapore.,Neuroscience and Behavioural Disorders Program, Duke-NUS Medical School, Singapore, Singapore
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Palazzo P, Le Guyader G, Neau JP. Intracerebral hemorrhage in CADASIL. Rev Neurol (Paris) 2021; 177:422-430. [PMID: 33478738 DOI: 10.1016/j.neurol.2020.10.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 08/11/2020] [Accepted: 10/02/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Intracerebral hemorrhage (ICH) has been reported in few cases of Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL), mostly in hypertensive patients. We aimed to assess the clinical and radiological characteristics of patients with CADASIL who presented with ICH. METHODS A retrospective analysis of all neuroimaging exams of CADASIL patients hospitalized in our academic neurology department for acute cerebrovascular events was performed to find ICH. A systematic review of the literature was performed on this topic. RESULTS Including our five patients, a total number of 52 subjects with CADASIL and ICH (mean age: 56 years, SD 11, 36-69%- male) were reported. Intracerebral hemorrhages were mainly deep (34 subjects), followed by lobar (8 subjects), infratentorial (6 subjects) and mixed locations (4 subjects). Three ICHs were asymptomatic. Fourteen patients were taking antithrombotic medication, 18 had no regular antiplatelet or anticoagulant treatment while in 20 patients medical treatment was not detailed. Arterial hypertension was present in 37 out of 51 patients with available information. Neuroimaging showed extensive FLAIR hyperintensities in all CADASIL subjects with ICH, cerebral microbleeds in all but three patients, and lacunar infarction in 19 out of 25 subjects with available information. CONCLUSIONS Intracerebral hemorrhage represents a possible yet uncommon manifestation of CADASIL and should be considered as a possibility in patients with ICH associated with leukoencephalopathy and microbleeds, even in the absence of other clinical symptoms.
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Affiliation(s)
- P Palazzo
- Department of Neurology, Poitiers University Hospital, 2, rue de la Milétrie, 86021 Poitiers Cedex, France.
| | - G Le Guyader
- Department of Clinical Genetics, Poitiers University Hospital, 2, rue de la Milétrie, 86021 Poitiers Cedex, France.
| | - J-P Neau
- Department of Neurology, Poitiers University Hospital, 2, rue de la Milétrie, 86021 Poitiers Cedex, France.
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Lee JS, Ko KH, Oh JH, Kim JG, Kang CH, Song SK, Kang SY, Kang JH, Park JH, Koh MJ, Lee HK, Choi JC. Apolipoprotein E ε4 Is Associated With the Development of Incident Dementia in Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy Patients With p.Arg544Cys Mutation. Front Aging Neurosci 2020; 12:591879. [PMID: 33328970 PMCID: PMC7714778 DOI: 10.3389/fnagi.2020.591879] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Accepted: 10/26/2020] [Indexed: 11/13/2022] Open
Abstract
Background and Purpose To identify clinical, laboratory, and magnetic resonance imaging (MRI) features in predicting incident stroke and dementia in Korean patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). Materials and Methods We enrolled 87 Korean CADASIL patients who had undergone baseline clinical, laboratory, and MRI examinations between March 2012 and February 2015. The primary outcome of this study is the occurrence of stroke and dementia during the study period. The occurrence of incident stroke was confirmed by neuroimaging study, and dementia was defined by the diagnostic and statistical manual of mental disorders, fourth edition, criteria. Results Of the 87 patients, 57.5% were men, and the mean age was 63 ± 13 years (range 34–90 years), and 82 patients (94.3%) had p.Arg544Cys mutation. During an average follow-up of 67 months (interquartile range: 53–69 months), incident stroke occurred in 14 of 87 patients (16.1%) and incident dementia in 7 of 70 non-demented patients (10.0%). In adjusted analysis, increased systolic blood pressure was associated with increased risk of incident stroke [for every 10-mmHg increase; hazard ratio, 1.44 (1.02–2.03)]. Apolipoprotein E ε4 genotype was associated with an increased risk of incident dementia [hazard ratio, 10.70 (1.27–89.88)]. Conclusion In this study, apolipoprotein E ε4 genotype was associated with the development of incident dementia, and higher blood pressure was associated with increased risk of incident stroke in CADASIL patients with predominant p.Arg544Cys mutation.
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Affiliation(s)
- Jung Seok Lee
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Keun Hyuk Ko
- Department of Neurology, Hankook Hospital, Jeju, South Korea
| | - Jung-Hwan Oh
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Joong-Goo Kim
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Chul-Hoo Kang
- Department of Neurology, Jeju National University Hospital, Jeju, South Korea
| | - Sook-Keun Song
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Sa-Yoon Kang
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Ji-Hoon Kang
- Department of Neurology, Jeju National University, Jeju, South Korea
| | - Joon Hyuk Park
- Department of Psychiatry, Jeju National University, Jeju, South Korea
| | - Myeong Ju Koh
- Department of Radiology, Jeju National University, Jeju, South Korea
| | - Ho Kyu Lee
- Department of Radiology, Jeju National University, Jeju, South Korea
| | - Jay Chol Choi
- Department of Neurology, Jeju National University, Jeju, South Korea
- Institute of Medical Science, Jeju National University, Jeju, South Korea
- *Correspondence: Jay Chol Choi,
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Cheng YW, Chen CH, Hu CJ, Chiou HY, Tang SC, Jeng JS. Imaging-based pregenetic screening for NOTCH3 p.R544C mutation in ischemic stroke in Taiwan. Ann Clin Transl Neurol 2020; 7:1951-1961. [PMID: 32929895 PMCID: PMC7545606 DOI: 10.1002/acn3.51191] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/08/2020] [Accepted: 08/24/2020] [Indexed: 01/05/2023] Open
Abstract
Objective To develop an easily applicable screening score to guide NOTCH3 p.R544C genetic testing for patients who presented with acute ischemic cerebrovascular events in Taiwan. Methods 1734 patients who presented with ischemic cerebrovascular events were enrolled from the Formosa Stroke Genetic Consortium stroke registry and were screened for the NOTCH3 p.R544C mutation. Clinical and MRI characteristics of NOTCH3 p.R544C mutation carriers (n = 36) and a subset of noncarriers (n = 673) were tested in a logistic regression model to identify key features associated with the NOTCH3 p.R544C carrier status. Variables and their odds ratios in the regression model were used to develop the R544C screening score to predict positive NOTCH3 p.R544C test results. Results We constructed the R544C screening score using five clinical and imaging characteristics, including stroke onset before 50 years of age, the small vessel occlusion subtype, a family history of stroke/TIA in siblings, external capsule involvement, and advanced deep white matter hyperintensity. The area under the ROC curve of the screening score was 0.867 (95% CI = 0.810‐0.924). The sensitivity, specificity, positive predictive value, negative predictive value and accuracy were 0.75, 0.88, 0.13, 0.99, and 0.88, respectively, for a cutoff score of 5 points. In addition, the R544C screening score was validated in another cohort composed of 235 stroke patients with comparable performance (area under the ROC curve = 0.957, 95% CI = 0.916‐0.997). Interpretations For Taiwanese patients presenting with acute ischemic cerebrovascular events, the R544C screening score is easily applicable and can efficiently select high‐risk patients for NOTCH3 p.R544C mutation test.
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Affiliation(s)
- Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital, Hsin-Chu Branch, Hsin-Chu, Taiwan.,Graduate Institute of Clinical Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Chih-Hao Chen
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Chaur-Jong Hu
- Department of Neurology, Taipei Medical University Hospital and Shuang Ho Hospital, Taipei, Taiwan
| | - Hung-Yi Chiou
- School of Public Health, College of Public Health, Taipei Medical University, Taipei, Taiwan
| | - Sung-Chun Tang
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - Jiann-Shing Jeng
- Stroke Center and Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
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Liao NY, Liao KK, Liao YC, Lee YC. Mitochondrial DNA m.3243A>G mutation rarely causes CADASIL-like phenotype. Neurobiol Aging 2020; 97:145.e5-145.e6. [PMID: 32950272 DOI: 10.1016/j.neurobiolaging.2020.08.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 08/03/2020] [Accepted: 08/22/2020] [Indexed: 11/17/2022]
Abstract
Mitochondrial encephalomyopathy, lactic acidosis, and stroke-like episodes (MELAS) and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) are 2 monogenic cerebral small vessel diseases sharing several common clinical features including young stroke, migraine, and cognitive dysfunction. The aim of this study was to understand the role of MELAS in patients with CADASIL-like manifestations. We screened 429 unrelated patients with genetically unassigned CADASIL-like syndrome for mitochondrial DNA m.3243A>G mutation. None of them were found to have the mutation. Our finding suggests that m.3243A>G rarely causes CADASIL-like phenotype. It may be not necessary to consider MELAS as a differential diagnosis of CADASIL. Screening m.3243A>G in patients with CADASIL-like phenotype is of limited value.
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Affiliation(s)
- Nai-Yi Liao
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Kwong-Kum Liao
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Neurology, National Yang-Ming University School of Medicine, Taipei, Taiwan
| | - Yi-Chu Liao
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Neurology, National Yang-Ming University School of Medicine, Taipei, Taiwan; Brain Research Center, National Yang-Ming University, Taipei, Taiwan
| | - Yi-Chung Lee
- Department of Neurology, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Neurology, National Yang-Ming University School of Medicine, Taipei, Taiwan; Brain Research Center, National Yang-Ming University, Taipei, Taiwan.
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Chung CP, Chen JW, Chang FC, Li WC, Lee YC, Chen LF, Liao YC. Cerebral Microbleed Burdens in Specific Brain Regions Are Associated With Disease Severity of Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy. J Am Heart Assoc 2020; 9:e016233. [PMID: 32552418 PMCID: PMC7670534 DOI: 10.1161/jaha.120.016233] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Background Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy, caused by NOTCH3 mutations, is characterized by recurrent ischemic strokes and progressive cognitive decline. It remains unclear whether cerebral microbleeds (CMBs) can serve as a surrogate marker for disease progression in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy. We aimed to investigate the CMB burdens in NOTCH3 mutation carriers at different disease stages and test their associations with cognitive performance. Methods and Results Forty‐nine individuals carrying NOTCH3 cysteine‐altering mutations received brain magnetic resonance imaging with T1‐weighted and susceptibility‐weighted images. Whole brain images were segmented into 14 regions using Statistical Parametric Mapping and FreeSurfer software, and semiautomatic methods were used to locate and quantify the number and volume of CMBs. In our study participants, the median of CMB counts was 13, with a wide individual variation (range, 0–286). CMBs were most frequently present in thalamus, followed by temporal lobe. In the whole brain, the CMB counts and CMB volume ratios (ie, CMB volume divided by the volume of corresponding brain region) gradually increased as the disease advanced. CMB counts in the thalamus and temporal and frontal lobes increased more rapidly than other brain regions as disease progressed. There were significant associations between Mini‐Mental State Examination scores and CMB counts in the frontal lobe, temporal lobe, and pons. Conclusions CMBs may have an influential role in the clinical manifestations of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy. CMB burdens and their distribution in different brain regions may be capable to serve as a disease marker for monitoring the disease severity of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy.
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Affiliation(s)
- Chih-Ping Chung
- Department of Neurology Neurological Institute Taipei Veterans General Hospital Taipei Taiwan.,School of Medicine National Yang-Ming University Taipei Taiwan.,Brain Research Center National Yang-Ming University Taipei Taiwan
| | - Jiun-Wei Chen
- Institute of Brain Science and Institute of Biomedical Informatics National Yang-Ming University Taipei Taiwan
| | - Feng-Chi Chang
- Department of Radiology Taipei Veterans General Hospital Taipei Taiwan.,School of Medicine National Yang-Ming University Taipei Taiwan
| | - Wei-Chi Li
- Institute of Brain Science and Institute of Biomedical Informatics National Yang-Ming University Taipei Taiwan
| | - Yi-Chung Lee
- Department of Neurology Neurological Institute Taipei Veterans General Hospital Taipei Taiwan.,School of Medicine National Yang-Ming University Taipei Taiwan.,Brain Research Center National Yang-Ming University Taipei Taiwan
| | - Li-Fen Chen
- Integrated Brain Research Laboratory Department of Medical Research Taipei Veterans General Hospital Taipei Taiwan.,Institute of Brain Science and Institute of Biomedical Informatics National Yang-Ming University Taipei Taiwan.,Brain Research Center National Yang-Ming University Taipei Taiwan
| | - Yi-Chu Liao
- Department of Neurology Neurological Institute Taipei Veterans General Hospital Taipei Taiwan.,School of Medicine National Yang-Ming University Taipei Taiwan.,Brain Research Center National Yang-Ming University Taipei Taiwan
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Mizuno T, Mizuta I, Watanabe-Hosomi A, Mukai M, Koizumi T. Clinical and Genetic Aspects of CADASIL. Front Aging Neurosci 2020; 12:91. [PMID: 32457593 PMCID: PMC7224236 DOI: 10.3389/fnagi.2020.00091] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Accepted: 03/18/2020] [Indexed: 12/15/2022] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), a hereditary cerebral small vessel disease caused by mutations in NOTCH3, is characterized by recurrent stroke without vascular risk factors, mood disturbances, and dementia. MRI imaging shows cerebral white matter (WM) hyperintensity, particularly in the external capsule and temporal pole. Missense mutations related to a cysteine residue in the 34 EGFr on the NOTCH3 extracellular domain (N3ECD) are a typical mutation of CADASIL. On the other hand, atypical mutations including cysteine sparing mutation, null mutation, homozygous mutation, and other associate genes are also reported. From the viewpoint of gain of function apart from Notch signaling or loss of function of Notch signaling, we review the research article about CADASIL and summarized the pathogenesis of small vessel, stroke, and dementia in this disease.
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Affiliation(s)
- Toshiki Mizuno
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Ikuko Mizuta
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Akiko Watanabe-Hosomi
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Mao Mukai
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
| | - Takashi Koizumi
- Department of Neurology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan
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Chen CH, Cheng YW, Chen YF, Tang SC, Jeng JS. Plasma neurofilament light chain and glial fibrillary acidic protein predict stroke in CADASIL. J Neuroinflammation 2020; 17:124. [PMID: 32321529 PMCID: PMC7175500 DOI: 10.1186/s12974-020-01813-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 04/13/2020] [Indexed: 12/13/2022] Open
Abstract
Background Stroke remains the most cumbersome disease burden in patients with cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL). This study aimed to investigate whether plasma biomarkers can reflect disease severity and predict stroke recurrence in CADASIL patients. Methods Sixty-three CADASIL patients (mean age 58.9 ± 9.3 years old, male 63%) from a multicenter registry and 17 controls were recruited. Plasma biomarkers, namely neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), tau, and ubiquitin carboxy-terminal hydrolase L1 (UCHL1), were measured using an ultra-sensitive single molecule array at baseline. Neuroimaging markers assessed included the Fazekas scale of white matter hyperintensity, numbers of lacunes, and cerebral microbleeds (CMBs). Cox proportional hazards regression models were applied to calculate the hazard ratio (HR) of plasma biomarkers at baseline for predicting incident stroke during follow-up. Results Plasma NfL, GFAP, and UCHL1 levels were significantly elevated in the CADASIL patients than in the controls. Among the CADASIL patients, both plasma NfL and GFAP levels positively correlated with the numbers of CMBs (r = 0.32 and r = 0.37, respectively; both p < 0.05). Higher plasma levels of NfL and GFAP were associated with any stroke (odds ratio 2.02, 95% confidence interval [CI] 1.06–3.87) and ICH (odds ratio 2.06, 95% CI 1.26–3.35) at baseline, respectively. Within a mean follow-up period of 3.1 ± 2.1 years, 10 patients (16%) had incident stroke and 6 of them were ICH. Higher baseline NfL (HR 1.93, 95% CI 1.19–3.13) predicted any incident stroke, whereas higher GFAP (HR 2.80, 95% CI 1.21–6.53) predicted incident ICH. Conclusions In CADASIL patients, plasma NfL can be a promising biomarker for monitoring incident stroke, whereas GFAP may have a role in cerebral hemorrhage.
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Affiliation(s)
- Chih-Hao Chen
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan.,Graduate Institute of Epidemiology and Preventive Medicine (CHC), College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Yu-Wen Cheng
- Department of Neurology, National Taiwan University Hospital Hsinchu Branch, Hsinchu, Taiwan
| | - Ya-Fang Chen
- Department of Medical Imaging (YFC), National Taiwan University Hospital, Taipei, Taiwan
| | - Sung-Chun Tang
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan.
| | - Jiann-Shing Jeng
- Stroke Center and Department of Neurology, National Taiwan University Hospital, No. 7, Chung-Shan South Road, Taipei, 10055, Taiwan
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Mukai M, Mizuta I, Watanabe-Hosomi A, Koizumi T, Matsuura J, Hamano A, Tomimoto H, Mizuno T. Genotype–phenotype correlations and effect of mutation location in Japanese CADASIL patients. J Hum Genet 2020; 65:637-646. [DOI: 10.1038/s10038-020-0751-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/06/2020] [Accepted: 03/11/2020] [Indexed: 01/08/2023]
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49
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Ungaro C, Sprovieri T. Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy (CADASIL). Rare Dis 2020. [DOI: 10.5772/intechopen.87248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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He R, Li H, Sun Y, Chen M, Wang L, Zhu Y, Zhang C. Homozygous NOTCH3 p.R587C mutation in Chinese patients with CADASIL: a case report. BMC Neurol 2020; 20:72. [PMID: 32122318 PMCID: PMC7053106 DOI: 10.1186/s12883-020-01660-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Accepted: 02/26/2020] [Indexed: 12/02/2022] Open
Abstract
Background Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is an inherited small vessel disease caused by mutations in NOTCH3 gene with remarkable phenotypic heterogeneity. Cases of CADASIL associated with homozygous NOTCH3 mutations are rare and subsequently understudied. In this study, we investigate the genetic and phenotypic features within patients of CADASIL with homozygous NOTCH3 mutations. Case presentation We recruited two affected individuals with CADASIL from a mainland Chinese family. The proband (Patient 1), a 60-year-old male, presented with slow progressive gait instability, severe cognitive impairment, and emotional disorder for more than 2 years with a history of ischemic stroke and hypertension. His younger brother (Patient 2) presented with apparent gait difficulties, dysarthria as well as cognitive decline at 59 years old. Brain magnetic resonance imaging (MRI) showed diffused white matter lesions involving bilateral periventricular white matter, semioval center region, and anterior temporal lobes. Molecular genetic testing identified a homozygous variant, c.1759C > T (p.R587C), in NOTCH3 gene in both patients. Pathological analysis revealed granular osmiophilic material (GOM) deposits in small arterial walls of skin from the proband. The diagnosis of CADASIL was confirmed. Conclusions Our cases of CADASIL with homozygous mutation c.1759C > T (p.R587C) in NOTCH3 share similar manifestation to the patients with heterozygous same mutation reported previously. Other than genetic factors, vascular risk factors or environmental factors might contribute to the phenotypic variation of CADASIL.
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Affiliation(s)
- Ruojie He
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, No.58 Zhongshan Road 2, Guangzhou, 510080, China
| | - Huan Li
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, No.58 Zhongshan Road 2, Guangzhou, 510080, China
| | - Yiming Sun
- Department of Health Care, The First Affiliated Hospital, Sun Yat-sen University, No.58 Zhongshan Road 2, Guangzhou, 510080, China
| | - Menglong Chen
- Department of Neurology, The First Affiliated Hospital, Jinan University, 613 W.Huangpu Avenue, Guangzhou, 510630, China
| | - Liang Wang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, No.58 Zhongshan Road 2, Guangzhou, 510080, China
| | - Yuling Zhu
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, No.58 Zhongshan Road 2, Guangzhou, 510080, China
| | - Cheng Zhang
- Department of Neurology, The First Affiliated Hospital, Sun Yat-sen University; Guangdong Provincial Key Laboratory of Diagnosis and Treatment of Major Neurological Diseases, National Key Clinical Department and Key Discipline of Neurology, No.58 Zhongshan Road 2, Guangzhou, 510080, China.
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