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Diany R, Gagliano Taliun SA. Systematic Review and Phenome-Wide Scans of Genetic Associations with Vascular Cognitive Impairment. Adv Biol (Weinh) 2024:e2300692. [PMID: 38935518 DOI: 10.1002/adbi.202300692] [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: 12/16/2023] [Revised: 03/12/2024] [Indexed: 06/29/2024]
Abstract
Vascular cognitive impairment (VCI) is a heterogenous form of cognitive impairment that results from cerebrovascular disease. It is a result of both genetic and non-genetic factors. Although much research has been conducted on the genetic contributors to other forms of cognitive impairment (e.g. Alzheimer's disease), knowledge is lacking on the genetic factors associated with VCI. A better understanding of the genetics of VCI will be critical for prevention and treatment. To begin to fill this gap, the genetic contributors are reviewed with VCI from the literature. Phenome-wide scans of the identified genes are conducted and genetic variants identified in the review in large-scale resources displaying genetic variant-trait association information. Gene set are also carried out enrichment analysis using the genes identified from the review. Thirty one articles are identified meeting the search criteria and filters, from which 107 unique protein-coding genes are noted related to VCI. The phenome-wide scans and gene set enrichment analysis identify pathways associated with a diverse set of biological systems. This results indicate that genes with evidence of involvement in VCI are involved in a diverse set of biological functions. This information can facilitate downstream research to better dissect possible shared biological mechanisms for future therapies.
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Affiliation(s)
- Rime Diany
- Faculty of Medicine, Université de Montréal, 2900 Boulevard Edouard-Montpetit, Montréal, Québec, H3C 3J7, Canada
| | - Sarah A Gagliano Taliun
- Department of Medicine & Department of Neurosciences, Faculty of Medicine, Université de Montréal, 2900 Boulevard Edouard-Montpetit, Montréal, Québec, H3C 3J7, Canada
- Montreal Heart Institute, 5000 rue Bélanger, Montréal, Québec, H1T 1C8, Canada
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2
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Abdul Hamid H, Hambali A, Okon U, Che Mohd Nassir CMN, Mehat MZ, Norazit A, Mustapha M. Is cerebral small vessel disease a central nervous system interstitial fluidopathy? IBRO Neurosci Rep 2024; 16:98-105. [PMID: 39007087 PMCID: PMC11240297 DOI: 10.1016/j.ibneur.2023.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 11/20/2023] [Accepted: 12/22/2023] [Indexed: 07/16/2024] Open
Abstract
A typical anatomical congregate and functionally distinct multicellular cerebrovascular dynamic confer diverse blood-brain barrier (BBB) and microstructural permeabilities to conserve the health of brain parenchymal and its microenvironment. This equanimity presupposes the glymphatic system that governs the flow and clearance of metabolic waste and interstitial fluids (ISF) through venous circulation. Following the introduction of glymphatic system concept, various studies have been carried out on cerebrospinal fluid (CSF) and ISF dynamics. These studies reported that the onset of multiple diseases can be attributed to impairment in the glymphatic system, which is newly referred as central nervous system (CNS) interstitial fluidopathy. One such condition includes cerebral small vessel disease (CSVD) with poorly understood pathomechanisms. CSVD is an umbrella term to describe a chronic progressive disorder affecting the brain microvasculature (or microcirculation) involving small penetrating vessels that supply cerebral white and deep gray matter. This review article proposes CSVD as a form of "CNS interstitial fluidopathy". Linking CNS interstitial fluidopathy with CSVD will open a better insight pertaining to the perivascular space fluid dynamics in CSVD pathophysiology. This may lead to the development of treatment and therapeutic strategies to ameliorate the pathology and adverse effect of CSVD.
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Affiliation(s)
- Hafizah Abdul Hamid
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Aqilah Hambali
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Udemeobong Okon
- Department of Physiology, Faculty of Basic Medical Science, University of Calabar, Etagbor, PMB 1115 Calabar, Nigeria
| | - Che Mohd Nasril Che Mohd Nassir
- Department of Anatomy and Physiology, School of Basic Medical Sciences, Faculty of Medicine, Universiti Sultan Zainal Abidin (UniSZA), 20400 Kuala Terengganu, Terengganu, Malaysia
| | - Muhammad Zulfadli Mehat
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Anwar Norazit
- Department of Biomedical Science, Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Muzaimi Mustapha
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Health Campus, 16150 Kubang Kerian, Kelantan, Malaysia
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Enokizono M, Kurokawa R, Yagishita A, Nakata Y, Koyasu S, Nihira H, Kuwashima S, Aida N, Kono T, Mori H. Clinical and neuroimaging review of monogenic cerebral small vessel disease from the prenatal to adolescent developmental stage. Jpn J Radiol 2024; 42:109-125. [PMID: 37847489 PMCID: PMC10810974 DOI: 10.1007/s11604-023-01493-0] [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: 09/12/2023] [Accepted: 09/15/2023] [Indexed: 10/18/2023]
Abstract
Cerebral small vessel disease (cSVD) refers to a group of pathological processes with various etiologies affecting the small vessels of the brain. Most cases are sporadic, with age-related and hypertension-related sSVD and cerebral amyloid angiopathy being the most prevalent forms. Monogenic cSVD accounts for up to 5% of causes of stroke. Several causative genes have been identified. Sporadic cSVD has been widely studied whereas monogenic cSVD is still poorly characterized and understood. The majority of cases of both the sporadic and monogenic types, including cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), typically have their onset in adulthood. Types of cSVD with infantile and childhood onset are rare, and their diagnosis is often challenging. The present review discusses the clinical and neuroimaging findings of monogenic cSVD from the prenatal to adolescent period of development. Early diagnosis is crucial to enabling timely interventions and family counseling.
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Affiliation(s)
- Mikako Enokizono
- Department of Radiology, Tokyo Metropolitan Children's Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo, 183-8561, Japan.
| | - Ryo Kurokawa
- Department of Radiology, Graduate School of Medicine, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
| | - Akira Yagishita
- Department of Neuroradiology, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
| | - Yasuhiro Nakata
- Department of Neuroradiology, Tokyo Metropolitan Neurological Hospital, Fuchu, Tokyo, Japan
| | - Sho Koyasu
- Department of Diagnostic Imaging and Nuclear Medicine, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Hiroshi Nihira
- Department of Pediatrics, Kyoto University, Sakyo-ku, Kyoto, Japan
| | - Shigeko Kuwashima
- Department of Radiology, Dokkyo Medical University, Shimotsuga-gun, Tochigi, Japan
| | - Noriko Aida
- Department of Radiology, Kanagawa Children's Medical Center, Yokohama, Kanagawa, Japan
| | - Tatsuo Kono
- Department of Radiology, Tokyo Metropolitan Children's Medical Center, 2-8-29 Musashidai, Fuchu, Tokyo, 183-8561, Japan
| | - Harushi Mori
- Department of Radiology, School of Medicine, Jichi Medical University, Shimotsuke, Tochigi, Japan
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4
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Hosoki S, Hansra GK, Jayasena T, Poljak A, Mather KA, Catts VS, Rust R, Sagare A, Kovacic JC, Brodtmann A, Wallin A, Zlokovic BV, Ihara M, Sachdev PS. Molecular biomarkers for vascular cognitive impairment and dementia. Nat Rev Neurol 2023; 19:737-753. [PMID: 37957261 DOI: 10.1038/s41582-023-00884-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/29/2023] [Indexed: 11/15/2023]
Abstract
As disease-specific interventions for dementia are being developed, the ability to identify the underlying pathology and dementia subtypes is increasingly important. Vascular cognitive impairment and dementia (VCID) is the second most common cause of dementia after Alzheimer disease, but progress in identifying molecular biomarkers for accurate diagnosis of VCID has been relatively limited. In this Review, we examine the roles of large and small vessel disease in VCID, considering the underlying pathophysiological processes that lead to vascular brain injury, including atherosclerosis, arteriolosclerosis, ischaemic injury, haemorrhage, hypoperfusion, endothelial dysfunction, blood-brain barrier breakdown, inflammation, oxidative stress, hypoxia, and neuronal and glial degeneration. We consider the key molecules in these processes, including proteins and peptides, metabolites, lipids and circulating RNA, and consider their potential as molecular biomarkers alone and in combination. We also discuss the challenges in translating the promise of these biomarkers into clinical application.
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Affiliation(s)
- Satoshi Hosoki
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Gurpreet K Hansra
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Tharusha Jayasena
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Anne Poljak
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
- Bioanalytical Mass Spectrometry Facility, Mark Wainwright Analytical Centre, University of New South Wales, Sydney, NSW, Australia
| | - Karen A Mather
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Vibeke S Catts
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia
| | - Ruslan Rust
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Abhay Sagare
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Jason C Kovacic
- Cardiovascular Research Institute, Icahn School of Medicine at Mount Sinai, New York, New York, NY, USA
- Victor Chang Cardiac Research Institute, Darlinghurst, NSW, Australia
- St Vincent's Clinical School, University of New South Wales, Sydney, NSW, Australia
| | - Amy Brodtmann
- Department of Neurology, Royal Melbourne Hospital, Parkville, VIC, Australia
| | - Anders Wallin
- Department of Psychiatry and Neurochemistry, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Berislav V Zlokovic
- Department of Physiology and Neuroscience, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, Osaka, Japan
| | - Perminder S Sachdev
- Centre for Healthy Brain Ageing, Discipline of Psychiatry and Mental Health, School of Clinical Medicine, Faculty of Medicine and Health, University of New South Wales, Sydney, NSW, Australia.
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Wu C, Wang M, Wang X, Li W, Li S, Chen B, Niu S, Tai H, Pan H, Zhang Z. The genetic and phenotypic spectra of adult genetic leukoencephalopathies in a cohort of 309 patients. Brain 2023; 146:2364-2376. [PMID: 36380532 PMCID: PMC10232248 DOI: 10.1093/brain/awac426] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 09/30/2022] [Accepted: 11/01/2022] [Indexed: 08/12/2023] Open
Abstract
Genetic leukoencephalopathies (gLEs) are a highly heterogeneous group of rare genetic disorders. The spectrum of gLEs varies among patients of different ages. Distinct from the relatively more abundant studies of gLEs in children, only a few studies that explore the spectrum of adult gLEs have been published, and it should be noted that the majority of these excluded certain gLEs. Thus, to date, no large study has been designed and conducted to characterize the genetic and phenotypic spectra of gLEs in adult patients. We recruited a consecutive series of 309 adult patients clinically suspected of gLEs from Beijing Tiantan Hospital between January 2014 and December 2021. Whole-exome sequencing, mitochondrial DNA sequencing and repeat analysis of NOTCH2NLC, FMR1, DMPK and ZNF9 were performed for patients. We describe the genetic and phenotypic spectra of the set of patients with a genetically confirmed diagnosis and summarize their clinical and radiological characteristics. A total of 201 patients (65%) were genetically diagnosed, while 108 patients (35%) remained undiagnosed. The most frequent diseases were leukoencephalopathies related to NOTCH3 (25%), NOTCH2NLC (19%), ABCD1 (9%), CSF1R (7%) and HTRA1 (5%). Based on a previously proposed pathological classification, the gLEs in our cohort were divided into leukovasculopathies (35%), leuko-axonopathies (31%), myelin disorders (21%), microgliopathies (7%) and astrocytopathies (6%). Patients with NOTCH3 mutations accounted for 70% of the leukovasculopathies, followed by HTRA1 (13%) and COL4A1/2 (9%). The leuko-axonopathies contained the richest variety of associated genes, of which NOTCH2NLC comprised 62%. Among myelin disorders, demyelinating leukoencephalopathies (61%)-mainly adrenoleukodystrophy and Krabbe disease-accounted for the majority, while hypomyelinating leukoencephalopathies (2%) were rare. CSF1R was the only mutated gene detected in microgliopathy patients. Leukoencephalopathy with vanishing white matter disease due to mutations in EIF2B2-5 accounted for half of the astrocytopathies. We characterized the genetic and phenotypic spectra of adult gLEs in a large Chinese cohort. The most frequently mutated genes were NOTCH3, NOTCH2NLC, ABCD1, CSF1R and HTRA1.
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Affiliation(s)
- Chujun Wu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Mengwen Wang
- Department of Neurology and Institute of Neurology of First Affiliated Hospital, Institute of Neuroscience, and Fujian Key Laboratory of Molecular Neurology, Fujian Medical University, 350005 Fuzhou, China
| | - Xingao Wang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Wei Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Shaowu Li
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Bin Chen
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Songtao Niu
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Hongfei Tai
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Hua Pan
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
| | - Zaiqiang Zhang
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
- China National Clinical Research Centre for Neurological Disease, Beijing Tiantan Hospital, Capital Medical University, 100070 Beijing, China
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6
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Ferguson AC, Thrippleton S, Henshall D, Whittaker E, Conway B, MacLeod M, Malik R, Rawlik K, Tenesa A, Sudlow C, Rannikmae K. Frequency and Phenotype Associations of Rare Variants in 5 Monogenic Cerebral Small Vessel Disease Genes in 200,000 UK Biobank Participants. Neurol Genet 2022; 8:e200015. [PMID: 36035235 PMCID: PMC9403885 DOI: 10.1212/nxg.0000000000200015] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/17/2022] [Indexed: 04/14/2023]
Abstract
BACKGROUND AND OBJECTIVES Based on previous case reports and disease-based cohorts, a minority of patients with cerebral small vessel disease (cSVD) have a monogenic cause, with many also manifesting extracerebral phenotypes. We investigated the frequency, penetrance, and phenotype associations of putative pathogenic variants in cSVD genes in the UK Biobank (UKB), a large population-based study. METHODS We used a systematic review of previous literature and ClinVar to identify putative pathogenic rare variants in CTSA, TREX1, HTRA1, and COL4A1/2. We mapped phenotypes previously attributed to these variants (phenotypes-of-interest) to disease coding systems used in the UKB's linked health data from UK hospital admissions, death records, and primary care. Among 199,313 exome-sequenced UKB participants, we assessed the following: the proportion of participants carrying ≥1 variant(s); phenotype-of-interest penetrance; and the association between variant carrier status and phenotypes-of-interest using a binary (any phenotype present/absent) and phenotype burden (linear score of the number of phenotypes a participant possessed) approach. RESULTS Among UKB participants, 0.5% had ≥1 variant(s) in studied genes. Using hospital admission and death records, 4%-20% of variant carriers per gene had an associated phenotype. This increased to 7%-55% when including primary care records. Only COL4A1 variant carrier status was significantly associated with having ≥1 phenotype-of-interest and a higher phenotype score (OR = 1.29, p = 0.006). DISCUSSION While putative pathogenic rare variants in monogenic cSVD genes occur in 1:200 people in the UKB population, only approximately half of variant carriers have a relevant disease phenotype recorded in their linked health data. We could not replicate most previously reported gene-phenotype associations, suggesting lower penetrance rates, overestimated pathogenicity, and/or limited statistical power.
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Wang Q, Du J, Hua S, Zhao K. TREX1 Plays Multiple Roles in Human Diseases. Cell Immunol 2022; 375:104527. [DOI: 10.1016/j.cellimm.2022.104527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 03/12/2022] [Accepted: 04/10/2022] [Indexed: 11/15/2022]
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Wang Y, Shi C, Li Y, Yu W, Wei S, Fan Y, Mao C, Yang Z, Yu L, Zhao Z, Li S, Gao Y, Xu Y. Genetic Study of Cerebral Small Vessel Disease in Chinese Han Population. Front Neurol 2022; 13:829438. [PMID: 35401403 PMCID: PMC8990910 DOI: 10.3389/fneur.2022.829438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 03/02/2022] [Indexed: 11/13/2022] Open
Abstract
Cerebral small vessel disease (CSVD) is a syndrome of clinical, neuroimaging, and neuropathological manifestations caused by disorders that affect small cerebral vessels. Although the pathogenesis of the disease remains unclear, some studies have demonstrated that genetic variants contribute to the development of CSVD. Our study aimed to explore the genetic characteristics of CSVD in the Chinese Han population. We enrolled 182 sporadic CSVD Chinese Han patients whose magnetic resonance imaging results showed grade 2-3 white matter lesions. Target region sequencing of seven monogenic CSVD-related genes, including NOTCH3, HTRA1, COL4A1, COL4A2, GLA, TREX1, and CTSA, was performed, and we identified pathogenic variants by screening the sequencing results and functional predictive analysis. All variants were predicted to be pathogenic by the SIFT Score, Polymorphism Phenotyping-2 score, Mutation Taster, Splice site score calculation, and MaxEntScan. All variants were validated in 300 healthy controls. In total, eight variants were identified in patients with CSVD, including five novel variants, c.1774C>T (NOTCH3), c.3784C>T (NOTCH3), c. 1207C>T (HTRA1), and c. 1274+1G> A (HTRA1), c.1937G>C (COL4A1) and three reported mutations. None of these variants were present in 300 healthy controls. No pathogenic variants in COL4A2, GLA, TREX1, and CTSA were detected. This study identified five novel variants in CSVD-related genes in Chinese Han patients with sporadic CSVD. Our results expand the genetic profile of CSVD.
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9
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Zarekiani P, Nogueira Pinto H, Hol EM, Bugiani M, de Vries HE. The neurovascular unit in leukodystrophies: towards solving the puzzle. Fluids Barriers CNS 2022; 19:18. [PMID: 35227276 PMCID: PMC8887016 DOI: 10.1186/s12987-022-00316-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/11/2022] [Indexed: 12/11/2022] Open
Abstract
The neurovascular unit (NVU) is a highly organized multicellular system localized in the brain, formed by neuronal, glial (astrocytes, oligodendrocytes, and microglia) and vascular (endothelial cells and pericytes) cells. The blood-brain barrier, a complex and dynamic endothelial cell barrier in the brain microvasculature that separates the blood from the brain parenchyma, is a component of the NVU. In a variety of neurological disorders, including Alzheimer's disease, multiple sclerosis, and stroke, dysfunctions of the NVU occurs. There is, however, a lack of knowledge regarding the NVU function in leukodystrophies, which are rare monogenic disorders that primarily affect the white matter. Since leukodystrophies are rare diseases, human brain tissue availability is scarce and representative animal models that significantly recapitulate the disease are difficult to develop. The introduction of human induced pluripotent stem cells (hiPSC) now makes it possible to surpass these limitations while maintaining the ability to work in a biologically relevant human context and safeguarding the genetic background of the patient. This review aims to provide further insights into the NVU functioning in leukodystrophies, with a special focus on iPSC-derived models that can be used to dissect neurovascular pathophysiology in these diseases.
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Affiliation(s)
- Parand Zarekiani
- Department of Pathology, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, de Boelelaan 1117, Amsterdam, The Netherlands
- Amsterdam Leukodystrophy Center, Amsterdam UMC, Amsterdam, The Netherlands
- Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, The Netherlands
| | - Henrique Nogueira Pinto
- Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, The Netherlands
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Elly M Hol
- Department of Translational Neuroscience, University Medical Center Utrecht Brain Center, Utrecht University, Utrecht, The Netherlands
| | - Marianna Bugiani
- Department of Pathology, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, de Boelelaan 1117, Amsterdam, The Netherlands
- Amsterdam Leukodystrophy Center, Amsterdam UMC, Amsterdam, The Netherlands
| | - Helga E de Vries
- Department of Molecular Cell Biology and Immunology, Amsterdam Neuroscience, Amsterdam UMC, Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, The Netherlands.
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10
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Ruchoux MM, Kalaria RN, Román GC. The pericyte: A critical cell in the pathogenesis of CADASIL. CEREBRAL CIRCULATION - COGNITION AND BEHAVIOR 2021; 2:100031. [PMID: 34950895 PMCID: PMC8661128 DOI: 10.1016/j.cccb.2021.100031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 10/12/2021] [Accepted: 10/12/2021] [Indexed: 12/22/2022]
Abstract
CADASIL is the most common hereditary small vessel disease presenting with strokes and subcortical vascular dementia caused by mutations in the NOTCH3 gene. CADASIL is a vasculopathy primarily involving vascular smooth-muscle cells. Arteriolar and capillary pericyte damage or deficiency is a key feature in disease pathogenesis. Pericyte-mediated cerebral venous insufficiency may explain white matter lesions and increased perivascular spaces. Central role of the pericyte offers novel approaches to the treatment of CADASIL.
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is a hereditary small vessel disease presenting with migraine, mood and cognitive disorders, focal neurological deficits, recurrent ischemic attacks, lacunar infarcts and brain white matter changes. As they age, CADASIL patients invariably develop cognitive impairment and subcortical dementia. CADASIL is caused by missense mutations in the NOTCH3 gene resulting in a profound cerebral vasculopathy affecting primarily arterial vascular smooth muscle cells, which target the microcirculation and perfusion. Based on a thorough review of morphological lesions in arteries, veins, and capillaries in CADASIL, we surmise that arteriolar and capillary pericyte damage or deficiency appears a key feature in the pathogenesis of the disease. This may affect critical pericyte-endothelial interactions causing stroke injury and vasomotor disturbances. Changes in microvascular permeability due to perhaps localized blood-brain barrier alterations and pericyte secretory dysfunction likely contribute to delayed neuronal as well as glial cell death. Moreover, pericyte-mediated cerebral venous insufficiency may explain white matter lesions and the dilatation of Virchow-Robin perivascular spaces typical of CADASIL. The postulated central role of the pericyte offers some novel approaches to the study and treatment of CADASIL and enable elucidation of other forms of cerebral small vessel diseases and subcortical vascular dementia.
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Affiliation(s)
- Marie-Magdeleine Ruchoux
- Former researcher, Université d'Artois, Blood-Brain-Barrier Laboratory Lens France, Former advisor, Alzheimer's Clinic Methodist Neurological Institute, Houston TX, USA
| | - Raj N Kalaria
- Translational and Clinical Research Institute, Newcastle University, Newcastle-upon-Tyne, United Kingdom
| | - Gustavo C Román
- Methodist Neurological Institute, Department of Neurology, Houston Methodist Hospital Houston TX 77030, USA, Weill Cornell Medical College, New York NY, USA and Texas A&M Medical School, Bryan TX, USA
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11
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Lecordier S, Manrique-Castano D, El Moghrabi Y, ElAli A. Neurovascular Alterations in Vascular Dementia: Emphasis on Risk Factors. Front Aging Neurosci 2021; 13:727590. [PMID: 34566627 PMCID: PMC8461067 DOI: 10.3389/fnagi.2021.727590] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Accepted: 08/05/2021] [Indexed: 12/25/2022] Open
Abstract
Vascular dementia (VaD) constitutes the second most prevalent cause of dementia in the world after Alzheimer’s disease (AD). VaD regroups heterogeneous neurological conditions in which the decline of cognitive functions, including executive functions, is associated with structural and functional alterations in the cerebral vasculature. Among these cerebrovascular disorders, major stroke, and cerebral small vessel disease (cSVD) constitute the major risk factors for VaD. These conditions alter neurovascular functions leading to blood-brain barrier (BBB) deregulation, neurovascular coupling dysfunction, and inflammation. Accumulation of neurovascular impairments over time underlies the cognitive function decline associated with VaD. Furthermore, several vascular risk factors, such as hypertension, obesity, and diabetes have been shown to exacerbate neurovascular impairments and thus increase VaD prevalence. Importantly, air pollution constitutes an underestimated risk factor that triggers vascular dysfunction via inflammation and oxidative stress. The review summarizes the current knowledge related to the pathological mechanisms linking neurovascular impairments associated with stroke, cSVD, and vascular risk factors with a particular emphasis on air pollution, to VaD etiology and progression. Furthermore, the review discusses the major challenges to fully elucidate the pathobiology of VaD, as well as research directions to outline new therapeutic interventions.
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Affiliation(s)
- Sarah Lecordier
- Neuroscience Axis, Research Center of CHU de Québec-Université Laval, Québec City, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec City, QC, Canada
| | - Daniel Manrique-Castano
- Neuroscience Axis, Research Center of CHU de Québec-Université Laval, Québec City, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec City, QC, Canada
| | - Yara El Moghrabi
- Neuroscience Axis, Research Center of CHU de Québec-Université Laval, Québec City, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec City, QC, Canada
| | - Ayman ElAli
- Neuroscience Axis, Research Center of CHU de Québec-Université Laval, Québec City, QC, Canada.,Department of Psychiatry and Neuroscience, Faculty of Medicine, Université Laval, Québec City, QC, Canada
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12
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13
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Ulivi L, Cosottini M, Migaleddu G, Orlandi G, Giannini N, Siciliano G, Mancuso M. Brain MRI in Monogenic Cerebral Small Vessel Diseases: A Practical Handbook. Curr Mol Med 2021; 22:300-311. [DOI: 10.2174/1566524021666210510164003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 01/28/2021] [Accepted: 02/09/2021] [Indexed: 11/22/2022]
Abstract
:
Monogenic cerebral small vessel diseases are a topic of growing interest, as several genes responsible have been recently described and new sequencing techniques such as Next generation sequencing are available. Brain imaging is a key exam in these diseases. First, since it is often the first exam performed, an MRI is key in selecting patients for genetic testing and for interpreting Next generation sequencing reports. In addition, neuroimaging can be helpful in describing the underlying pathological mechanisms involved in cerebral small vessel disease. With this review, we aim to provide Neurologists and Stroke physicians with an up-to date overview of the current neuroimaging knowledge on monogenic small vessel diseases.
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Affiliation(s)
- Leonardo Ulivi
- Department of Experimental and Clinical Medicine, Neurological Clinic, Pisa University, Via Roma 67, Pisa, Italy
| | - Mirco Cosottini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Gianmichele Migaleddu
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Giovanni Orlandi
- Department of Experimental and Clinical Medicine, Neurological Clinic, Pisa University, Via Roma 67, Pisa, Italy
| | - Nicola Giannini
- Department of Experimental and Clinical Medicine, Neurological Clinic, Pisa University, Via Roma 67, Pisa, Italy
| | - Gabriele Siciliano
- Department of Experimental and Clinical Medicine, Neurological Clinic, Pisa University, Via Roma 67, Pisa, Italy
| | - Michelangelo Mancuso
- Department of Experimental and Clinical Medicine, Neurological Clinic, Pisa University, Via Roma 67, Pisa, Italy
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14
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Abstract
The glymphatic system hypothesis is associated with the circulation of cerebrospinal fluid (CSF) in the skull and interstitial fluid (ISF) in the brain. There are several imaging techniques to visualize the dynamics of CSF and ISF. Magnetic resonance imaging (MRI) is one of the promising modalities for glymphatic imaging and diffusion MRI is expected imaging tool. Several disorders are associated with glymphatic dysfunction or impairment in the dynamics of CSF or ISF. The Central Nervous System interstitial fluidopathy concept has been proposed to encompass diseases with pathologies that are predominantly associated with abnormal ISF/CSF dynamics.
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15
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Taoka T, Naganawa S. Imaging for central nervous system (CNS) interstitial fluidopathy: disorders with impaired interstitial fluid dynamics. Jpn J Radiol 2021; 39:1-14. [PMID: 32653987 PMCID: PMC7813706 DOI: 10.1007/s11604-020-01017-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023]
Abstract
After the introduction of the glymphatic system hypothesis, an increasing number of studies on cerebrospinal fluid and interstitial fluid dynamics within the brain have been investigated and reported. A series of diseases are known which develop due to abnormality of the glymphatic system including Alzheimer's disease, traumatic brain injury, stroke, or other disorders. These diseases or disorders share the characteristics of the glymphatic system dysfunction or other mechanisms related to the interstitial fluid dynamics. In this review article, we propose "Central Nervous System (CNS) Interstitial Fluidopathy" as a new concept encompassing diseases whose pathologies are majorly associated with abnormal interstitial fluid dynamics. Categorizing these diseases or disorders as "CNS interstitial fluidopathies," will promote the understanding of their mechanisms and the development of potential imaging methods for the evaluation of the disease as well as clinical methods for disease treatment or prevention. In other words, having a viewpoint of the dynamics of interstitial fluid appears relevant for understanding CNS diseases or disorders, and it would be possible to develop novel common treatment methods or medications for "CNS interstitial fluidopathies."
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Affiliation(s)
- Toshiaki Taoka
- Department of Innovative Biomedical Visualization (iBMV), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan. .,Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan.
| | - Shinji Naganawa
- Department of Radiology, Nagoya University Graduate School of Medicine, Nagoya, Japan
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16
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Kandasamy M, Anusuyadevi M, Aigner KM, Unger MS, Kniewallner KM, de Sousa DMB, Altendorfer B, Mrowetz H, Bogdahn U, Aigner L. TGF-β Signaling: A Therapeutic Target to Reinstate Regenerative Plasticity in Vascular Dementia? Aging Dis 2020; 11:828-850. [PMID: 32765949 PMCID: PMC7390515 DOI: 10.14336/ad.2020.0222] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 02/22/2020] [Indexed: 12/11/2022] Open
Abstract
Vascular dementia (VaD) is the second leading form of memory loss after Alzheimer's disease (AD). Currently, there is no cure available. The etiology, pathophysiology and clinical manifestations of VaD are extremely heterogeneous, but the impaired cerebral blood flow (CBF) represents a common denominator of VaD. The latter might be the result of atherosclerosis, amyloid angiopathy, microbleeding and micro-strokes, together causing blood-brain barrier (BBB) dysfunction and vessel leakage, collectively originating from the consequence of hypertension, one of the main risk factors for VaD. At the histopathological level, VaD displays abnormal vascular remodeling, endothelial cell death, string vessel formation, pericyte responses, fibrosis, astrogliosis, sclerosis, microglia activation, neuroinflammation, demyelination, white matter lesions, deprivation of synapses and neuronal loss. The transforming growth factor (TGF) β has been identified as one of the key molecular factors involved in the aforementioned various pathological aspects. Thus, targeting TGF-β signaling in the brain might be a promising therapeutic strategy to mitigate vascular pathology and improve cognitive functions in patients with VaD. This review revisits the recent understanding of the role of TGF-β in VaD and associated pathological hallmarks. It further explores the potential to modulate certain aspects of VaD pathology by targeting TGF-β signaling.
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Affiliation(s)
- Mahesh Kandasamy
- Laboratory of Stem Cells and Neuroregeneration, Department of Animal Science, School of Life Sciences, Bharathidasan University, Tiruchirappalli, Tamil Nadu, India.
- Faculty Recharge Programme, University Grants Commission (UGC-FRP), New Delhi, India.
| | - Muthuswamy Anusuyadevi
- Molecular Gerontology Group, Department of Biochemistry, School of Life Sciences, Bharathidhasan University, Tiruchirappalli, Tamil Nadu, India.
| | - Kiera M Aigner
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Michael S Unger
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Kathrin M Kniewallner
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Diana M Bessa de Sousa
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Barbara Altendorfer
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Heike Mrowetz
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
| | - Ulrich Bogdahn
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
- Velvio GmbH, Regensburg, Germany.
| | - Ludwig Aigner
- Institute of Molecular Regenerative Medicine, Salzburg, Paracelsus Medical University.
- Spinal Cord Injury and Tissue Regeneration Center, Salzburg, Paracelsus Medical University, Salzburg, Austria.
- Austrian Cluster for Tissue Regeneration, Vienna, Austria
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17
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Mellinger S, Romero D, Visich A, Chanampa S, Ivetich G, Burgos M, Orzuza G. Not Described Variant of Notch3 Gen for Cadasil Disease. J Stroke Cerebrovasc Dis 2020; 29:104803. [DOI: 10.1016/j.jstrokecerebrovasdis.2020.104803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2019] [Revised: 02/09/2020] [Accepted: 03/02/2020] [Indexed: 10/24/2022] Open
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18
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Tao SS, Wu GC, Zhang Q, Zhang TP, Leng RX, Pan HF, Ye DQ. TREX1 As a Potential Therapeutic Target for Autoimmune and Inflammatory Diseases. Curr Pharm Des 2020; 25:3239-3247. [PMID: 31475890 DOI: 10.2174/1381612825666190902113218] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 08/27/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND OBJECTIVES The 3' repair exonuclease 1 (TREX1) gene is the major DNA-specific 3'-5 'exonuclease of mammalian cells which reduces single- and double-stranded DNA (ssDNA and dsDNA) to prevent undue immune activation mediated by the nucleic acid. TREX1 is also a crucial suppressor of selfrecognition that protects the host from inappropriate autoimmune activations. It has been revealed that TREX1 function is necessary to prevent host DNA accumulating after cell death which could actuate an autoimmune response. In the manuscript, we will discuss in detail the latest advancement to study the role of TREX1 in autoimmune disease. METHODS As a pivotal cytoprotective, antioxidant, anti-apoptotic, immunosuppressive, as well as an antiinflammatory molecule, the functional mechanisms of TREX1 were multifactorial. In this review, we will briefly summarize the latest advancement in studying the role of TREX1 in autoimmune disease, and discuss its potential as a therapeutic target for these diseases. RESULTS Deficiency of TREX1 in human patients and murine models is characterized by systemic inflammation and the disorder of TREX1 functions drives inflammatory responses leading to autoimmune disease. Moreover, much more studies revealed that mutations in TREX1 have been associated with a range of autoimmune disorders. But it is also unclear whether the mutations of TREX1 play a causal role in the disease progression, and whether manipulation of TREX1 has a beneficial effect in the treatment of autoimmune diseases. CONCLUSION Integration of functional TREX1 biology into autoimmune diseases may further deepen our understanding of the development and pathogenesis of autoimmune diseases and provide new clues and evidence for the treatment of autoimmune diseases.
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Affiliation(s)
- Sha-Sha Tao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Guo-Cui Wu
- School of Nursing, Anhui Medical University, 15 Feicui Road, Hefei, Anhui, China
| | - Qin Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Tian-Ping Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Rui-Xue Leng
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
| | - Dong-Qing Ye
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
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19
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Abstract
Translational genomics represents a broad field of study that combines genome and transcriptome-wide studies in humans and model systems to refine our understanding of human biology and ultimately identify new ways to treat and prevent disease. The approaches to translational genomics can be broadly grouped into two methodologies, forward and reverse genomic translation. Traditional (forward) genomic translation begins with model systems and aims at using unbiased genetic associations in these models to derive insight into biological mechanisms that may also be relevant in human disease. Reverse genomic translation begins with observations made through human genomic studies and refines these observations through follow-up studies using model systems. The ultimate goal of these approaches is to clarify intervenable processes as targets for therapeutic development. In this review, we describe some of the approaches being taken to apply translational genomics to the study of diseases commonly encountered in the neurocritical care setting, including hemorrhagic and ischemic stroke, traumatic brain injury, subarachnoid hemorrhage, and status epilepticus, utilizing both forward and reverse genomic translational techniques. Further, we highlight approaches in the field that could be applied in neurocritical care to improve our ability to identify new treatment modalities as well as to provide important information to patients about risk and prognosis.
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Affiliation(s)
- Pavlos Myserlis
- Center for Genomic Medicine, Massachusetts General Hospital, 185 Cambridge Street, CPZN 6818, Boston, MA, 02114, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
| | - Farid Radmanesh
- Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
| | - Christopher D Anderson
- Center for Genomic Medicine, Massachusetts General Hospital, 185 Cambridge Street, CPZN 6818, Boston, MA, 02114, USA.
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA.
- Division of Neurocritical Care and Emergency Neurology, Department of Neurology, Massachusetts General Hospital, Boston, MA, USA.
- Henry and Allison McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA.
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20
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Yamamoto Y, Kojima K, Taura D, Sone M, Washida K, Egawa N, Kondo T, Minakawa EN, Tsukita K, Enami T, Tomimoto H, Mizuno T, Kalaria RN, Inagaki N, Takahashi R, Harada-Shiba M, Ihara M, Inoue H. Human iPS cell-derived mural cells as an in vitro model of hereditary cerebral small vessel disease. Mol Brain 2020; 13:38. [PMID: 32188464 PMCID: PMC7081541 DOI: 10.1186/s13041-020-00573-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 02/27/2020] [Indexed: 02/07/2023] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is one of the most common forms of hereditary cerebral small vessel diseases and is caused by mutations in NOTCH3. Our group has previously reported incorporation of NOTCH3 extracellular domain (N3ECD) in the CADASIL-specific granular osmiophilic materials and increase of PDGFRβ immunoreactivity in CADASIL postmortem brains. Here, we aimed to establish an in vitro model of CADASIL, which can recapitulate those CADASIL phenotypes, using induced pluripotent stem cells (iPSCs). We have refined a differentiation protocol of endothelial cells to obtain mature mural cells (MCs) with their characteristic properties. iPSCs from three CADASIL patients with p.Arg182Cys, p.Arg141Cys and p.Cys106Arg mutations were differentiated into MCs and their functional and molecular profiles were compared. The differentiated CADASIL MCs recapitulated pathogenic changes reported previously: increased PDGFRβ and abnormal structure/distribution of filamentous actin network, as well as N3ECD/LTBP-1/HtrA1-immunopositive deposits. Migration rate of CADASIL MCs was enhanced but suppressed by knockdown of NOTCH3 or PDGFRB. CADASIL MCs showed altered reactivity to PDGF-BB. Patient-derived MCs can recapitulate CADASIL pathology and are therefore useful in understanding the pathogenesis and developing potential treatment strategies.
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Affiliation(s)
- Yumi Yamamoto
- Research Fellow of Japan Society for the Promotion of Science, Tokyo, Japan.,Department of Molecular Innovation in Lipidemiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibeshinmachi, Suita-shi, Osaka, 564-0018, Japan
| | - Katsutoshi Kojima
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Daisuke Taura
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Masakatsu Sone
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.
| | - Kazuo Washida
- Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center, 6-1 Kishibeshinmachi, Suita-shi, Osaka, 564-0018, Japan
| | - Naohiro Egawa
- Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.,Department of Neurology, Kyoto University Graduate School of Medicine, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Takayuki Kondo
- Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan.,Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
| | - Eiko N Minakawa
- Department of Degenerative Neurological Diseases, National Institute of Neuroscience, National Center of Neurology and Psychiatry, 4-1-1 Ogawa-Higashi, Kodaira, Tokyo, 187-8502, Japan
| | - Kayoko Tsukita
- Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan
| | - Takako Enami
- Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan.,Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan
| | - Hidekazu Tomimoto
- Department of Dementia Prevention and Therapeutics, Graduate School of Medicine, Mie University, 2-174 Edobashi Tsu, Mie, 514-8507, Japan
| | - Toshiki Mizuno
- Department of Neurology, Kyoto Prefectural University of Medicine, 465 Kajii-cho, Kawaramachi-Hirokoji, Kamigyo-ku, Kyoto, 602-8566, Japan
| | - Raj N Kalaria
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, NE4 5PL, UK
| | - Nobuya Inagaki
- Department of Diabetes, Endocrinology and Nutrition, Graduate School of Medicine, Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Ryosuke Takahashi
- Department of Neurology, Kyoto University Graduate School of Medicine, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan
| | - Mariko Harada-Shiba
- Department of Molecular Innovation in Lipidemiology, National Cerebral and Cardiovascular Center Research Institute, 6-1 Kishibeshinmachi, Suita-shi, Osaka, 564-0018, Japan
| | - Masafumi Ihara
- Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center, 6-1 Kishibeshinmachi, Suita-shi, Osaka, 564-0018, Japan.
| | - Haruhisa Inoue
- Center for iPS Cell Research and Application (CiRA), Kyoto University, 53 Kawahara-cho, Shogoin, Sakyo-ku, Kyoto, 606-8507, Japan. .,iPSC-based Drug Discovery and Development Team, RIKEN BioResource Research Center (BRC), Kyoto, Japan. .,Medical-risk Avoidance based on iPS Cells Team, RIKEN Center for Advanced Intelligence Project (AIP), Kyoto, Japan.
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21
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Locatelli M, Padovani A, Pezzini A. Pathophysiological Mechanisms and Potential Therapeutic Targets in Cerebral Autosomal Dominant Arteriopathy With Subcortical Infarcts and Leukoencephalopathy (CADASIL). Front Pharmacol 2020; 11:321. [PMID: 32231578 PMCID: PMC7082755 DOI: 10.3389/fphar.2020.00321] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Accepted: 03/05/2020] [Indexed: 12/13/2022] Open
Abstract
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), is a hereditary small-vessels angiopathy caused by mutations in the NOTCH 3 gene, located on chromosome 19, usually affecting middle-ages adults, whose clinical manifestations include migraine with aura, recurrent strokes, mood disorders, and cognitive impairment leading to dementia and disability. In this review, we provide an overview of the current knowledge on the pathogenic mechanisms underlying the disease, focus on the corresponding therapeutic targets, and discuss the most promising treatment strategies currently under investigations. The hypothesis that CADASIL is an appropriate model to explore the pathogenesis of sporadic cerebral small vessel disease is also reviewed.
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Affiliation(s)
- Martina Locatelli
- Department of Clinical and Experimental Sciences, Neurology Clinic, University of Brescia, Brescia, Italy
| | - Alessandro Padovani
- Department of Clinical and Experimental Sciences, Neurology Clinic, University of Brescia, Brescia, Italy
| | - Alessandro Pezzini
- Department of Clinical and Experimental Sciences, Neurology Clinic, University of Brescia, Brescia, Italy
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22
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Danchenko IY, Kulesh AA, Drobakha VE, Kanivets IV, Akimova IA, Monak AA. [CADASIL syndrome: differential diagnosis with multiple sclerosis]. Zh Nevrol Psikhiatr Im S S Korsakova 2020; 119:128-136. [PMID: 31934998 DOI: 10.17116/jnevro201911910128] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Two cases of clinical and MRI manifestations of genetically verified CADASIL syndrome in female patients under 40 years of age are presented. The primary misinterpretation of clinical data and the neuroimaging results within multiple sclerosis indicates a lack of awareness of radiologists and neurologists about this disease. The article reviewed the current literature on the problems of diagnosis and treatment of CADASIL. The clinical and neuroimaging pattern of the syndrome, the approaches to genetic testing and the basic principles of patient management are considered in detail.
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Affiliation(s)
- I Yu Danchenko
- Perm Regional Clinical Hospital, Perm Multiple Sclerosis Center, Perm, Russia
| | - A A Kulesh
- Vagner Perm State Medical University, Perm, Russia; Perm State Clinical Hospital #4, Perm, Russia
| | - V E Drobakha
- Vagner Perm State Medical University, Perm, Russia; Perm State Clinical Hospital #4, Perm, Russia
| | | | - I A Akimova
- State Medical Genetic Center, Moscow, Russia
| | - A A Monak
- Vagner Perm State Medical University, Perm, Russia
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23
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Affiliation(s)
- Sandro Marini
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
- Henry and Allison McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
| | - Christopher D. Anderson
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
- Henry and Allison McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
| | - Jonathan Rosand
- Center for Genomic Medicine, Massachusetts General Hospital, Boston, MA, USA
- Department of Neurology, Massachusetts General Hospital, Boston, MA, USA
- Program in Medical and Population Genetics, Broad Institute, Cambridge, MA, USA
- Henry and Allison McCance Center for Brain Health, Massachusetts General Hospital, Boston, MA, USA
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24
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Nandeesh BN, Bindu PS, Narayanappa G, Chickabasaviah Yasha T, Mahadevan A, Kulanthaivelu K, Santosh V. Cerebral small vessel disease with hemorrhagic stroke related to COL4A1 mutation: A case report. Neuropathology 2019; 40:93-98. [DOI: 10.1111/neup.12607] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 07/26/2019] [Accepted: 08/29/2019] [Indexed: 11/30/2022]
Affiliation(s)
- Bevinahalli N. Nandeesh
- Department of NeuropathologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - Parayil Sankaran Bindu
- Department of NeurologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - Gayathri Narayanappa
- Department of NeuropathologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - T. Chickabasaviah Yasha
- Department of NeuropathologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - Anita Mahadevan
- Department of NeuropathologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - Karthik Kulanthaivelu
- Neuroimaging and Interventional RadiologyNational Institute of Mental Health and Neurosciences Bangalore India
| | - Vani Santosh
- Department of NeuropathologyNational Institute of Mental Health and Neurosciences Bangalore India
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25
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Giau VV, Bagyinszky E, Youn YC, An SSA, Kim SY. Genetic Factors of Cerebral Small Vessel Disease and Their Potential Clinical Outcome. Int J Mol Sci 2019; 20:ijms20174298. [PMID: 31484286 PMCID: PMC6747336 DOI: 10.3390/ijms20174298] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 08/27/2019] [Accepted: 09/01/2019] [Indexed: 12/23/2022] Open
Abstract
Cerebral small vessel diseases (SVD) have been causally correlated with ischemic strokes, leading to cognitive decline and vascular dementia. Neuroimaging and molecular genetic tests could improve diagnostic accuracy in patients with potential SVD. Several types of monogenic, hereditary cerebral SVD have been identified: cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy (CARASIL), cerebral autosomal-dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL), cathepsin A-related arteriopathy with strokes and leukoencephalopathy (CARASAL), hereditary diffuse leukoencephalopathy with spheroids (HDLS), COL4A1/2-related disorders, and Fabry disease. These disorders can be distinguished based on their genetics, pathological and imaging findings, clinical manifestation, and diagnosis. Genetic studies of sporadic cerebral SVD have demonstrated a high degree of heritability, particularly among patients with young-onset stroke. Common genetic variants in monogenic disease may contribute to pathological progress in several cerebral SVD subtypes, revealing distinct genetic mechanisms in different subtype of SVD. Hence, genetic molecular analysis should be used as the final gold standard of diagnosis. The purpose of this review was to summarize the recent discoveries made surrounding the genetics of cerebral SVD and their clinical significance, to provide new insights into the pathogenesis of cerebral SVD, and to highlight the possible convergence of disease mechanisms in monogenic and sporadic cerebral SVD.
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Affiliation(s)
- Vo Van Giau
- Department of Bionano Technology & Gachon Bionano Research Institute, Gachon University, Seongnam-si, Gyeonggi-do 461-701, Korea
| | - Eva Bagyinszky
- Department of Bionano Technology & Gachon Bionano Research Institute, Gachon University, Seongnam-si, Gyeonggi-do 461-701, Korea
| | - Young Chul Youn
- Department of Neurology, Chung-Ang University College of Medicine, Seoul 06973, Korea.
| | - Seong Soo A An
- Department of Bionano Technology & Gachon Bionano Research Institute, Gachon University, Seongnam-si, Gyeonggi-do 461-701, Korea.
| | - Sang Yun Kim
- Department of Neurology, Seoul National University College of Medicine & Neurocognitive Behavior Center, Seoul National University Bundang Hospital, Seoul 06973, Korea
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26
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Zhao YY, Duan RN, Ji L, Liu QJ, Yan CZ. Cervical Spinal Involvement in a Chinese Pedigree With Pontine Autosomal Dominant Microangiopathy and Leukoencephalopathy Caused by a 3' Untranslated Region Mutation of COL4A1 Gene. Stroke 2019; 50:2307-2313. [PMID: 31366314 DOI: 10.1161/strokeaha.119.024875] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Background and Purpose- Pontine autosomal dominant microangiopathy and leukoencephalopathy, a recently defined subtype of cerebral small vessel disease, is associated with mutations in COL4A1 (collagen type IV alpha 1 chain) 3' untranslated region. We here describe a pontine autosomal dominant microangiopathy and leukoencephalopathy pedigree with COL4A1 mutation presenting both pontine and cervical spinal cord involvement. Methods- For the diagnostic purpose, brain and spinal magnetic resonance imaging scanning, skin biopsy, and whole-exome sequencing were performed on the patients in the pedigree. Suspected pathogenic variants were further confirmed by cosegregation analysis using Sanger sequencing in the family members. Results- We identified a mutation located at the binding site of miR-29 (microRNA-29) in 3' untranslated region of COL4A1(c.*32G>A). The pontine autosomal dominant microangiopathy and leukoencephalopathy patients in this pedigree carried this variant, whereas other healthy family members but one did not. Magnetic resonance imaging showed lesions in the pons, white matter, and cervical spinal cord. Skin biopsy revealed thickened basal lamina in vessels. Conclusions- For the first time, we reported cervical spinal involvement in pontine autosomal dominant microangiopathy and leukoencephalopathy and expanded the clinical spectrum of this disease.
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Affiliation(s)
- Yu-Ying Zhao
- From the Research Institute of Neuromuscular and Neurodegenerative Diseases and Department of Neurology (Y.-Y.Z., R.-N.D., C.-Z.Y.), Qilu Hospital, Shandong University, Jinan, China
| | - Ruo-Nan Duan
- From the Research Institute of Neuromuscular and Neurodegenerative Diseases and Department of Neurology (Y.-Y.Z., R.-N.D., C.-Z.Y.), Qilu Hospital, Shandong University, Jinan, China.,Key Laboratory for Experimental Teratology of the Ministry of Education and Department of Medical Genetics, Shandong University School of Basic Medical Sciences, Jinan, China (R.-N.D., Q.-J.L.)
| | - Lin Ji
- Department of Neurology, The Second Affiliated Hospital of Shandong University of TCM, Jinan, China (L.J.)
| | - Qi-Ji Liu
- Key Laboratory for Experimental Teratology of the Ministry of Education and Department of Medical Genetics, Shandong University School of Basic Medical Sciences, Jinan, China (R.-N.D., Q.-J.L.)
| | - Chuan-Zhu Yan
- From the Research Institute of Neuromuscular and Neurodegenerative Diseases and Department of Neurology (Y.-Y.Z., R.-N.D., C.-Z.Y.), Qilu Hospital, Shandong University, Jinan, China.,Brain Science Research Institute (C.-Z.Y.), Qilu Hospital, Shandong University, Jinan, China.,Mitochondrial Medicine Laboratory, Qilu Hospital (Qingdao), Shandong University, China (C.-Z.Y.)
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27
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Kulesh AA, Drobakha VE, Shestakov VV. Cerebral small vessel disease: classification, clinical manifestations, diagnosis, and features of treatment. NEUROLOGY, NEUROPSYCHIATRY, PSYCHOSOMATICS 2019. [DOI: 10.14412/2074-2711-2019-3s-4-17] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
The paper considers the relevance of the problem of cerebral small vessel disease (CSVD) that is an important cause of ischemic and hemorrhagic stroke, associated with the development of cognitive impairment and complications of antithrombotic therapy. It presents briefly the current issues of etiology and pathogenesis of the disease. Sporadic non-amyloid microangiopathy, cerebral amyloid angiopathy, and cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) are discussed in detail from the point of view of their clinical presentation, neuroimaging, and features of therapeutic tactics. An algorithm for diagnosing CSVD in patients admitted to hospital for stroke and a differentiated approach to their treatment are proposed. Consideration of the neuroimaging manifestations of CSVD is noted to be necessary for the safe and more effective treatment of patients with cerebrovascular diseases.
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Affiliation(s)
- A. A. Kulesh
- Acad. E.A. Vagner Perm State Medical University, Ministry of Health of Russia
| | - V. E. Drobakha
- Acad. E.A. Vagner Perm State Medical University, Ministry of Health of Russia
| | - V. V. Shestakov
- Acad. E.A. Vagner Perm State Medical University, Ministry of Health of Russia
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28
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Hase Y, Chen A, Bates LL, Craggs LJL, Yamamoto Y, Gemmell E, Oakley AE, Korolchuk VI, Kalaria RN. Severe white matter astrocytopathy in CADASIL. Brain Pathol 2019; 28:832-843. [PMID: 29757481 DOI: 10.1111/bpa.12621] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 05/08/2018] [Indexed: 12/12/2022] Open
Abstract
OBJECTIVES Cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) is characterized by strategic white matter (WM) hyperintensities on MRI. Pathological features include WM degeneration, arteriolosclerosis, lacunar infarcts, and the deposition of granular osmiophilic material. Based on the hypothesis that the gliovascular unit is compromised, we assessed the nature of astrocyte damage in the deep WM of CADASIL subjects. METHODS We evaluated post-mortem brains from CADASIL, cerebral small vessel disease, similar age cognitively normal and older control subjects. Standard immunohistochemical, immunofluorescent, and unbiased stereological methods were used to evaluate the distribution of astrocytes, microvessels, and autophagy markers in five different brain regions. RESULTS Compared to the controls, the deep WM of CADASIL subjects overall showed increased numbers of glial fibrillary acidic protein (GFAP)-positive clasmatodendritic astrocytes (P=0.037) and a decrease in the percentage of normal appearing astrocytes (P=0.025). In accord with confluent WM hyperintensities, the anterior temporal pole contained abundant clasmatodendritic astrocytes with displaced aquaporin 4 immunoreactivity. Remarkably, we also found strong evidence for the immunolocalization of autophagy markers including microtubule-associated protein 1, light chain 3 (LC3), and sequestosome 1/p62 and Caspase-3 in GFAP-positive clasmatodendritic cells, particularly within perivascular regions of the deep WM. LC3 was co-localized in more than 90% of the GFAP-positive clasmatodendrocytes. CONCLUSIONS Our novel findings show astrocytes undergo autophagy-like cell death in CADASIL, with the anterior temporal pole being highly vulnerable. We propose astrocytes transform from normal appearing type A to hypertrophic type B and eventually to clasmatodendritic type C cells. These observations also suggest the gliovascular unit of the deep WM is severely impaired in CADASIL.
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Affiliation(s)
- Yoshiki Hase
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Aiqing Chen
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Letitia L Bates
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Lucinda J L Craggs
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Yumi Yamamoto
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Elizabeth Gemmell
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Arthur E Oakley
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Viktor I Korolchuk
- Institute for Cell and Molecular Biosciences, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK.,Institute for Ageing, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
| | - Raj N Kalaria
- Neurovascular Research Group, Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK.,Institute for Ageing, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, UK
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29
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Karschnia P, Nishimura S, Louvi A. Cerebrovascular disorders associated with genetic lesions. Cell Mol Life Sci 2019; 76:283-300. [PMID: 30327838 PMCID: PMC6450555 DOI: 10.1007/s00018-018-2934-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 09/30/2018] [Accepted: 10/02/2018] [Indexed: 01/15/2023]
Abstract
Cerebrovascular disorders are underlain by perturbations in cerebral blood flow and abnormalities in blood vessel structure. Here, we provide an overview of the current knowledge of select cerebrovascular disorders that are associated with genetic lesions and connect genomic findings with analyses aiming to elucidate the cellular and molecular mechanisms of disease pathogenesis. We argue that a mechanistic understanding of genetic (familial) forms of cerebrovascular disease is a prerequisite for the development of rational therapeutic approaches, and has wider implications for treatment of sporadic (non-familial) forms, which are usually more common.
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Affiliation(s)
- Philipp Karschnia
- Departments of Neurosurgery and Neuroscience, Program on Neurogenetics, Yale School of Medicine, P.O. Box 208082, New Haven, CT, 06520-8082, USA
| | - Sayoko Nishimura
- Departments of Neurosurgery and Neuroscience, Program on Neurogenetics, Yale School of Medicine, P.O. Box 208082, New Haven, CT, 06520-8082, USA
| | - Angeliki Louvi
- Departments of Neurosurgery and Neuroscience, Program on Neurogenetics, Yale School of Medicine, P.O. Box 208082, New Haven, CT, 06520-8082, USA.
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30
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Abstract
Cerebral small vessel disease (CSVD) is composed of several diseases affecting the small arteries, arterioles, venules, and capillaries of the brain, and refers to several pathological processes and etiologies. Neuroimaging features of CSVD include recent small subcortical infarcts, lacunes, white matter hyperintensities, perivascular spaces, microbleeds, and brain atrophy. The main clinical manifestations of CSVD include stroke, cognitive decline, dementia, psychiatric disorders, abnormal gait, and urinary incontinence. Currently, there are no specific preventive or therapeutic measures to improve this condition. In this review, we will discuss the pathophysiology, clinical aspects, neuroimaging, progress of research to treat and prevent CSVD and current treatment of this disease.
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Affiliation(s)
- Qian Li
- 1 Department of Pediatrics, The Third Affiliated Hospital & Field Surgery Institution, Army Medical University, Chongqing, China.,Both the authors contributed equally as co-authors
| | - Yang Yang
- 2 Department of Neurology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China.,Both the authors contributed equally as co-authors
| | - Cesar Reis
- 3 Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Tao Tao
- 2 Department of Neurology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - Wanwei Li
- 1 Department of Pediatrics, The Third Affiliated Hospital & Field Surgery Institution, Army Medical University, Chongqing, China
| | - Xiaogang Li
- 2 Department of Neurology, Affiliated Hospital of Southwest Medical University, Luzhou, Sichuan, China
| | - John H Zhang
- 3 Department of Physiology and Pharmacology, Loma Linda University School of Medicine, Loma Linda, CA, USA.,4 Department of Anesthesiology, Loma Linda University School of Medicine, Loma Linda, CA, USA
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31
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Wardlaw JM. William M. Feinberg Award for Excellence in Clinical Stroke: Small Vessel Disease; a Big Problem, But Fixable. Stroke 2018; 49:1770-1775. [PMID: 29895535 DOI: 10.1161/strokeaha.118.021184] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Revised: 05/01/2018] [Accepted: 05/15/2018] [Indexed: 11/16/2022]
Affiliation(s)
- Joanna M Wardlaw
- From the Division of Neuroimaging Science, Centre for Clinical Brain Science, Edinburgh Imaging and UK Dementia Research Institute at the University of Edinburgh.
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32
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Akinyemi RO, Owolabi MO, Ihara M, Damasceno A, Ogunniyi A, Dotchin C, Paddick SM, Ogeng'o J, Walker R, Kalaria RN. Stroke, cerebrovascular diseases and vascular cognitive impairment in Africa. Brain Res Bull 2018; 145:97-108. [PMID: 29807146 DOI: 10.1016/j.brainresbull.2018.05.018] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Revised: 05/20/2018] [Accepted: 05/22/2018] [Indexed: 12/30/2022]
Abstract
With increased numbers of older people a higher burden of neurological disorders worldwide is predicted. Stroke and other cerebrovascular diseases do not necessarily present with different phenotypes in Africa but their incidence is rising in tandem with the demographic change in the population. Age remains the strongest irreversible risk factor for stroke and cognitive impairment. Modifiable factors relating to vascular disease risk, diet, lifestyle, physical activity and psychosocial status play a key role in shaping the current spate of stroke related diseases in Africa. Hypertension is the strongest modifiable risk factor for stroke but is also likely associated with co-inheritance of genetic traits among Africans. Somewhat different from high-income countries, strokes attributed to cerebral small vessel disease (SVD) are higher >30% among sub-Saharan Africans. Raised blood pressure may explain most of the incidence of SVD-related strokes but there are likely other contributing factors including dyslipidaemia and diabetes in some sectors of Africa. However, atherosclerotic and cardioembolic diseases combined also appear to be common subtypes as causes of strokes. Significant proportions of cerebrovascular diseases are ascribed to various forms of infectious disease including complications of human immunodeficiency virus. Cerebral SVD leads to several clinical manifestations including gait disturbance, autonomic dysfunction and depression. Pathological processes are characterized by arteriolosclerosis, lacunar infarcts, perivascular spaces, microinfarcts and diffuse white matter changes, which can now all be detected on neuroimaging. Except for isolated cases of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy or CADASIL, hereditary arteriopathies have so far not been reported in Africa. Prevalence estimates of vascular dementia (2-3%), delayed dementia after stroke (10-20%) and vascular cognitive impairment (30-40%) do not appear to be vastly different from those in other parts of the world. However, given the current demographic transition in both urban and rural settings these figures will likely rise. Wider application of neuroimaging modalities and implementation of stroke care in Africa will enable better estimates of SVD and other subtypes of stroke. Stroke survivors with SVD type pathology are likely to have low mortality and therefore portend increased incidence of dementia.
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Affiliation(s)
- Rufus O Akinyemi
- Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Nigeria; Department of Medicine, College of Medicine, University of Ibadan, Nigeria
| | - Mayowa O Owolabi
- Department of Medicine, College of Medicine, University of Ibadan, Nigeria
| | - Masafumi Ihara
- Department of Neurology, National Cerebral and Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka, 565-8565, Japan
| | | | - Adesola Ogunniyi
- Department of Medicine, College of Medicine, University of Ibadan, Nigeria
| | - Catherine Dotchin
- Institute of Health and Society, Newcastle University, Newcastle upon Tyne, NE2 4AX, United Kingdom
| | - Stella-Maria Paddick
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne NE4 5PL, United Kingdom
| | - Julius Ogeng'o
- Department of Human Anatomy, University of Nairobi, Nairobi, Kenya
| | - Richard Walker
- Institute of Health and Society, Newcastle University, Newcastle upon Tyne, NE2 4AX, United Kingdom
| | - Raj N Kalaria
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne NE4 5PL, United Kingdom.
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33
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Zhang WY, Xie F, Lu PL. Two novel heterozygous HTRA1 mutations in two pedigrees with cerebral small vessel disease families. Neurol Sci 2018; 39:497-501. [PMID: 29305662 DOI: 10.1007/s10072-017-3231-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Accepted: 12/14/2017] [Indexed: 10/18/2022]
Abstract
Heterozygous HTRA1 mutations, recently, have been reported as a cause of autosomal dominant hereditary cerebral small vessel disease (CSVD). We herein describe clinical and neuroimaging findings in two familial CSVD with two different heterozygous HTRA1 mutations. Detailed clinical and neuroimaging examination were conducted in probands and their available family members. A next-generation sequencing-based comprehensive gene panel was used to investigate their causative mutations. A novel heterozygous missense variant c.527T>C (p.V176A) and a novel heterozygous nonsense variant c.589C>T (p.R197X) in HTRA1 gene were detected in probands of family 1 and family 2, respectively. Co-segregation analysis in family 1 showed eight family members were mutation carriers. All alive male patients showed typical clinical and neuroimaging features of CSVD. All alive female mutation carriers were clinical or neuroimaging asymptomatic. Screening of HTRA1 should be considered in patients with familial CSVD. A male predominance may exist in patients with heterozygous HTRA1 mutations and need to be further investigated.
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Affiliation(s)
- Wen-Ying Zhang
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310016, China
| | - Fei Xie
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310016, China
| | - Pei-Lin Lu
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310016, China.
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34
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Vinters HV, Zarow C, Borys E, Whitman JD, Tung S, Ellis WG, Zheng L, Chui HC. Review: Vascular dementia: clinicopathologic and genetic considerations. Neuropathol Appl Neurobiol 2018; 44:247-266. [DOI: 10.1111/nan.12472] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Accepted: 01/13/2018] [Indexed: 12/21/2022]
Affiliation(s)
- H. V. Vinters
- Departments of Pathology & Laboratory Medicine (Neuropathology) and Neurology; David Geffen School of Medicine at UCLA; Los Angeles CA USA
| | - C. Zarow
- Department of Neurology; Keck School of Medicine at University of Southern California; Los Angeles CA USA
| | - E. Borys
- Department of Pathology; University of California Davis School of Medicine; Sacramento CA USA
- Department of Pathology; Loyola University Medical Center; Maywood IL USA
| | - J. D. Whitman
- Departments of Pathology & Laboratory Medicine (Neuropathology) and Neurology; David Geffen School of Medicine at UCLA; Los Angeles CA USA
- Departments of Pathology & Laboratory Medicine; UC San Francisco Medical Center; San Francisco CA USA
| | - S. Tung
- Departments of Pathology & Laboratory Medicine (Neuropathology) and Neurology; David Geffen School of Medicine at UCLA; Los Angeles CA USA
| | - W. G. Ellis
- Department of Pathology; University of California Davis School of Medicine; Sacramento CA USA
| | - L. Zheng
- Department of Neurology; Keck School of Medicine at University of Southern California; Los Angeles CA USA
| | - H. C. Chui
- Department of Neurology; Keck School of Medicine at University of Southern California; Los Angeles CA USA
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35
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The spectrum of adult-onset heritable white-matter disorders. ACTA ACUST UNITED AC 2018. [DOI: 10.1016/b978-0-444-64076-5.00043-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
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36
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Kalaria RN. The pathology and pathophysiology of vascular dementia. Neuropharmacology 2017; 134:226-239. [PMID: 29273521 DOI: 10.1016/j.neuropharm.2017.12.030] [Citation(s) in RCA: 184] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 12/13/2017] [Accepted: 12/18/2017] [Indexed: 02/07/2023]
Abstract
Vascular dementia (VaD) is widely recognised as the second most common type of dementia. Consensus and accurate diagnosis of clinically suspected VaD relies on wide-ranging clinical, neuropsychological and neuroimaging measures in life but more importantly pathological confirmation. Factors defining subtypes of VaD include the nature and extent of vascular pathologies, degree of involvement of extra and intracranial vessels and the anatomical location of tissue changes as well as time after the initial vascular event. Atherosclerotic and cardioembolic diseases combined appear the most common subtypes of vascular brain injury. In recent years, cerebral small vessel disease (SVD) has gained prominence worldwide as an important substrate of cognitive impairment. SVD is characterised by arteriolosclerosis, lacunar infarcts and cortical and subcortical microinfarcts and diffuse white matter changes, which involve myelin loss and axonal abnormalities. Global brain atrophy and focal degeneration of the cerebrum including medial temporal lobe atrophy are also features of VaD similar to Alzheimer's disease. Hereditary arteriopathies have provided insights into the mechanisms of dementia particularly how arteriolosclerosis, a major contributor of SVD promotes cognitive impairment. Recently developed and validated neuropathology guidelines indicated that the best predictors of vascular cognitive impairment were small or lacunar infarcts, microinfarcts, perivascular space dilation, myelin loss, arteriolosclerosis and leptomeningeal cerebral amyloid angiopathy. While these substrates do not suggest high specificity, VaD is likely defined by key neuronal and dendro-synaptic changes resulting in executive dysfunction and related cognitive deficits. Greater understanding of the molecular pathology is needed to clearly define microvascular disease and vascular substrates of dementia. This article is part of the Special Issue entitled 'Cerebral Ischemia'.
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Affiliation(s)
- Raj N Kalaria
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle Upon Tyne NE4 5PL, United Kingdom.
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37
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Ischemic White Matter Lesions Associated With Medullary Arteries: Classification of MRI Findings Based on the Anatomic Arterial Distributions. AJR Am J Roentgenol 2017; 209:W160-W168. [DOI: 10.2214/ajr.16.17231] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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38
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Grand Moursel L, Munting LP, van der Graaf LM, van Duinen SG, Goumans MJTH, Ueberham U, Natté R, van Buchem MA, van Roon-Mom WMC, van der Weerd L. TGFβ pathway deregulation and abnormal phospho-SMAD2/3 staining in hereditary cerebral hemorrhage with amyloidosis-Dutch type. Brain Pathol 2017; 28:495-506. [PMID: 28557134 PMCID: PMC8028662 DOI: 10.1111/bpa.12533] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Accepted: 05/19/2017] [Indexed: 12/20/2022] Open
Abstract
Hereditary cerebral hemorrhage with amyloidosis‐Dutch type (HCHWA‐D) is an early onset hereditary form of cerebral amyloid angiopathy (CAA) pathology, caused by the E22Q mutation in the amyloid β (Aβ) peptide. Transforming growth factor β1 (TGFβ1) is a key player in vascular fibrosis and in the formation of angiopathic vessels in transgenic mice. Therefore, we investigated whether the TGFβ pathway is involved in HCHWA‐D pathogenesis in human postmortem brain tissue from frontal and occipital lobes. Components of the TGFβ pathway were analyzed with quantitative RT‐PCR. TGFβ1 and TGFβ Receptor 2 (TGFBR2) gene expression levels were significantly increased in HCHWA‐D in comparison to the controls, in both frontal and occipital lobes. TGFβ‐induced pro‐fibrotic target genes were also upregulated. We further assessed pathway activation by detecting phospho‐SMAD2/3 (pSMAD2/3), a direct TGFβ down‐stream signaling mediator, using immunohistochemistry. We found abnormal pSMAD2/3 granular deposits specifically on HCHWA‐D angiopathic frontal and occipital vessels. We graded pSMAD2/3 accumulation in angiopathic vessels and found a positive correlation with the CAA load independent of the brain area. We also observed pSMAD2/3 granules in a halo surrounding occipital vessels, which was specific for HCHWA‐D. The result of this study indicates an upregulation of TGFβ1 in HCHWA‐D, as was found previously in AD with CAA pathology. We discuss the possible origins and implications of the TGFβ pathway deregulation in the microvasculature in HCHWA‐D. These findings identify the TGFβ pathway as a potential biomarker of disease progression and a possible target of therapeutic intervention in HCHWA‐D.
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Affiliation(s)
- Laure Grand Moursel
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands.,Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Leon P Munting
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands.,Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Linda M van der Graaf
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands.,Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Sjoerd G van Duinen
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Marie-Jose T H Goumans
- Department of Molecular Cell Biology, Leiden University Medical Center, Leiden, the Netherlands
| | - Uwe Ueberham
- Paul Flechsig Institute of Brain Research, University of Leipzig, Leipzig, Germany
| | - Remco Natté
- Department of Pathology, Leiden University Medical Center, Leiden, the Netherlands
| | - Mark A van Buchem
- Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
| | | | - Louise van der Weerd
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands.,Department of Radiology, Leiden University Medical Center, Leiden, the Netherlands
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39
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Papadopoulos P, Tong XK, Imboden H, Hamel E. Losartan improves cerebrovascular function in a mouse model of Alzheimer's disease with combined overproduction of amyloid-β and transforming growth factor-β1. J Cereb Blood Flow Metab 2017; 37:1959-1970. [PMID: 27389178 PMCID: PMC5464692 DOI: 10.1177/0271678x16658489] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Alterations of the renin-angiotensin system have been implicated in the pathogenesis of Alzheimer's disease. We tested the efficacy of losartan (10 mg/kg/day for three months), a selective angiotensin II type 1 receptor antagonist, in alleviating cerebrovascular and cognitive deficits in double-transgenic mice (six months at endpoint) that overexpress a mutated form of the human amyloid precursor protein (APPSwe,Ind) and a constitutively active form of the transforming growth factor-β1, thereafter named A/T mice. Losartan rescued cerebrovascular reactivity, particularly the dilatory responses, but failed to attenuate astroglial activation and to normalize the neurovascular uncoupling response to sensory stimulation. The cognitive deficits of A/T mice were not restored by losartan nor were the increased brain levels of soluble and insoluble Aβ1-40 and Aβ1-42 peptides normalized. Our results are the first to demonstrate the capacity of losartan to improve cerebrovascular reactivity in an Alzheimer's disease mouse model of combined Aβ-induced vascular oxidative stress and transforming growth factor-β1-mediated vascular fibrosis. These data suggest that losartan may be promising for restoring cerebrovascular function in patients with vascular diseases at risk for vascular dementia or Alzheimer's disease. However, a combined therapy may be warranted for rescuing both vascular and cognitive deficits in a multifaceted pathology like Alzheimer's disease.
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Affiliation(s)
- Panayiota Papadopoulos
- 1 Laboratory of Cerebrovascular Research, Montreal Neurological Institute, McGill University, Montréal, Québec, Canada
| | - Xin-Kang Tong
- 1 Laboratory of Cerebrovascular Research, Montreal Neurological Institute, McGill University, Montréal, Québec, Canada
| | - Hans Imboden
- 2 Institute of Cell Biology, University of Bern, Bern, Switzerland
| | - Edith Hamel
- 1 Laboratory of Cerebrovascular Research, Montreal Neurological Institute, McGill University, Montréal, Québec, Canada
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Søndergaard CB, Nielsen JE, Hansen CK, Christensen H. Hereditary cerebral small vessel disease and stroke. Clin Neurol Neurosurg 2017; 155:45-57. [PMID: 28254515 DOI: 10.1016/j.clineuro.2017.02.015] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 01/31/2017] [Accepted: 02/20/2017] [Indexed: 12/31/2022]
Abstract
Cerebral small vessel disease is considered hereditary in about 5% of patients and is characterized by lacunar infarcts and white matter hyperintensities on MRI. Several monogenic hereditary diseases causing cerebral small vessel disease and stroke have been identified. The purpose of this systematic review is to provide a guide for determining when to consider molecular genetic testing in patients presenting with small vessel disease and stroke. CADASIL, CARASIL, collagen type IV mutations (including PADMAL), retinal vasculopathy with cerebral leukodystrophy, Fabry disease, hereditary cerebral hemorrhage with amyloidosis, and forkhead box C1 mutations are described in terms of genetics, pathology, clinical manifestation, imaging, and diagnosis. These monogenic disorders are often characterized by early-age stroke, but also by migraine, mood disturbances, vascular dementia and often gait disturbances. Some also present with extra-cerebral manifestations such as microangiopathy of the eyes and kidneys. Many present with clinically recognizable syndromes. Investigations include a thorough family medical history, medical history, neurological examination, neuroimaging, often supplemented by specific examinations e.g of the of vision, retinal changes, as well as kidney and heart function. However molecular genetic analysis is the final gold standard of diagnosis. There are increasing numbers of reports on new monogenic syndromes causing cerebral small vessel disease. Genetic counseling is important. Enzyme replacement therapy is possible in Fabry disease, but treatment options remain overall very limited.
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Affiliation(s)
| | - Jørgen Erik Nielsen
- Department of Cellular and Molecular Medicine, Section of Neurogenetics, The Panum Institute, University of Copenhagen, Copenhagen, Denmark
| | | | - Hanne Christensen
- Department of Neurology, Copenhagen University Hospital, Bispebjerg, Denmark
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Tao YK, Zeng H, Zhang GQ, Chen ST, Xie XJ, He X, Wang S, Wen H, Chen JX. Notch3 deficiency impairs coronary microvascular maturation and reduces cardiac recovery after myocardial ischemia. Int J Cardiol 2017; 236:413-422. [PMID: 28131704 DOI: 10.1016/j.ijcard.2017.01.096] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Accepted: 01/13/2017] [Indexed: 12/29/2022]
Abstract
RATIONALE Vascular maturation plays an important role in wound repair post-myocardial infarction (MI). The Notch3 is critical for pericyte recruitment and vascular maturation during embryonic development. OBJECTIVE This study is to test whether Notch3 deficiency impairs vascular maturation and blunts cardiac functional recovery post-MI. APPROACH AND RESULTS Wild type (WT) and Notch3 knockout (Notch3KO) mice were subjected to MI by the ligation of left anterior descending coronary artery (LAD). Cardiac function and coronary blood flow reserve (CFR) were measured by echocardiography. The expression of angiogenic growth factor, pericyte/capillary coverage and arteriolar formation were analyzed. Loss of Notch3 in mice resulted in a significant reduction of pericytes and small arterioles. Notch3 KO mice had impaired pericyte/capillary coverage and CFR compared to WT mice. Notch3 KO mice were more prone to ischemic injury with larger infarcted size and higher rates of mortality. The expression of CXCR-4 and VEGF/Ang-1 was significantly decreased in Notch3 KO mice. Notch3 KO mice also had few NG2+/Sca1+ and NG2+/c-kit+ progenitor cells in the ischemic area and exhibited worse cardiac function recovery at 2weeks after MI. These were accompanied by a significant reduction of pericyte/capillary coverage and arteriolar maturation. Furthermore, Notch3 KO mice subjected to MI had increased intracellular adhesion molecule-2 (ICAM-2) expression and CD11b+ macrophage infiltration into ischemic areas compared to that of WT mice. CONCLUSION Notch3 mutation impairs recovery of cardiac function post-MI by the mechanisms involving the pre-existing coronary microvascular dysfunction conditions, and impairment of pericyte/progenitor cell recruitment and microvascular maturation.
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Affiliation(s)
- Yong-Kang Tao
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA; Emergency Department of China-Japan Friendship Hospital, Beijing 100029, China
| | - Heng Zeng
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Guo-Qiang Zhang
- Emergency Department of China-Japan Friendship Hospital, Beijing 100029, China.
| | - Sean T Chen
- Duke University School of Medicine, Durham, USA
| | - Xue-Jiao Xie
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA; Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Xiaochen He
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Shuo Wang
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA
| | - Hongyan Wen
- Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
| | - Jian-Xiong Chen
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, MS 39216, USA; Hunan University of Chinese Medicine, Changsha, Hunan 410208, China.
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Abstract
The chapter describes the epidemiology of cerebrovascular diseases, anatomy of the cerebral blood vessels, pathophysiology of ischemia, hypoxia, hypoxemia, anemic hypoxia, histotoxic hypoxia, carbon monoxide damage, hyperoxid brain damage and decompression sickness, and selective cell and regional vulnerability; diseases of the blood vessels including atherosclerosis, hypertensive angiopathy, small vessel disease, inflammatory vascular diseases, cerebral amyloid angiopathies, CADASIL, CARASIL and other diseases that can lead to cerebrovascular occlusion; intracranial and intraspinal aneurysms and vascular malformations; hematologic disorders that can cause cerebral infarct or hemorrhage; brain ischemic damage; and spontaneous intracranial bleeding. Within ischemic brain damage, focal cerebral ischemia, hemorrhagic infarct, brain edema, penumbra, global cerebral ischemia, venous thrombosis, lacunas and lacunar state, status cribosus, granular atrophy of the cerebral cortex, hippocampal sclerosis, vascular leukoencephalopathy Binswanger type and multi-infarct encephalopathy are discussed in detail. Cognitive impairment of vascular origin deserves an individual section.
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Affiliation(s)
- Isidro Ferrer
- Pathologic Anatomy Service, Institute of Neuropathology, Bellvitge University Hospital, University of Barcelona, Barcelona, Spain.
| | - Noemi Vidal
- Pathologic Anatomy Service, Institute of Neuropathology, Bellvitge University Hospital, University of Barcelona, Barcelona, Spain
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Abstract
Defined genetic models based on human pluripotent stem cells have opened new avenues for understanding disease mechanisms and drug screening. Many of these models assume cell-autonomous mechanisms of disease but it is possible that disease phenotypes or drug responses will only be evident if all cellular and extracellular components of a tissue are present and functionally mature. To derive optimal benefit from such models, complex multicellular structures with vascular components that mimic tissue niches will thus likely be necessary. Here we consider emerging research creating human tissue mimics and provide some recommendations for moving the field forward.
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Abstract
Vascular dementia (VaD) is a major contributor to the dementia syndrome and is described as having problems with reasoning, planning, judgment, and memory caused by impaired blood flow to the brain and damage to the blood vessels resulting from events such as stroke. There are a variety of etiologies that contribute to the development of vascular cognitive impairment and VaD, and these are often associated with other dementia-related pathologies such as Alzheimer disease. The diagnosis of VaD is difficult due to the number and types of lesions and their locations in the brain. Factors that increase the risk of vascular diseases such as stroke, high blood pressure, high cholesterol, and smoking also raise the risk of VaD. Therefore, controlling these risk factors can help lower the chances of developing VaD. This update describes the subtypes of VaD, with details of their complex presentation, associated pathological lesions, and issues with diagnosis, prevention, and treatment.
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Affiliation(s)
- Ayesha Khan
- Wolfson Centre for Age Related Diseases, Guys Campus, London, United Kingdom of Great Britain and Northern Ireland Institute of NanoBioTechnology, Johns Hopkins University, Baltimore, MD, USA
| | - Raj N Kalaria
- Institute for Ageing and Health, Wolfson Research Centre, Campus for Ageing & Vitality, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Anne Corbett
- Wolfson Centre for Age Related Diseases, Guys Campus, London, United Kingdom of Great Britain and Northern Ireland
| | - Clive Ballard
- Wolfson Centre for Age Related Diseases, Guys Campus, London, United Kingdom of Great Britain and Northern Ireland
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45
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Neuropathological diagnosis of vascular cognitive impairment and vascular dementia with implications for Alzheimer's disease. Acta Neuropathol 2016; 131:659-85. [PMID: 27062261 PMCID: PMC4835512 DOI: 10.1007/s00401-016-1571-z] [Citation(s) in RCA: 254] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 03/23/2016] [Accepted: 03/24/2016] [Indexed: 12/16/2022]
Abstract
Vascular dementia (VaD) is recognised as a neurocognitive disorder, which is explained by numerous vascular causes in the general absence of other pathologies. The heterogeneity of cerebrovascular disease makes it challenging to elucidate the neuropathological substrates and mechanisms of VaD as well as vascular cognitive impairment (VCI). Consensus and accurate diagnosis of VaD relies on wide-ranging clinical, neuropsychometric and neuroimaging measures with subsequent pathological confirmation. Pathological diagnosis of suspected clinical VaD requires adequate postmortem brain sampling and rigorous assessment methods to identify important substrates. Factors that define the subtypes of VaD include the nature and extent of vascular pathologies, degree of involvement of extra and intracranial vessels and the anatomical location of tissue changes. Atherosclerotic and cardioembolic diseases appear the most common substrates of vascular brain injury or infarction. Small vessel disease characterised by arteriolosclerosis and lacunar infarcts also causes cortical and subcortical microinfarcts, which appear to be the most robust substrates of cognitive impairment. Diffuse WM changes with loss of myelin and axonal abnormalities are common to almost all subtypes of VaD. Medial temporal lobe and hippocampal atrophy accompanied by variable hippocampal sclerosis are also features of VaD as they are of Alzheimer’s disease. Recent observations suggest that there is a vascular basis for neuronal atrophy in both the temporal and frontal lobes in VaD that is entirely independent of any Alzheimer pathology. Further knowledge on specific neuronal and dendro-synaptic changes in key regions resulting in executive dysfunction and other cognitive deficits, which define VCI and VaD, needs to be gathered. Hereditary arteriopathies such as cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy or CADASIL have provided insights into the mechanisms of dementia associated with cerebral small vessel disease. Greater understanding of the neurochemical and molecular investigations is needed to better define microvascular disease and vascular substrates of dementia. The investigation of relevant animal models would be valuable in exploring the pathogenesis as well as prevention of the vascular causes of cognitive impairment.
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46
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Manso-Calderón R, González-Sarmiento R. Genetic susceptibility to vascular cognitive impairment: a pathophysiological view. FUTURE NEUROLOGY 2016. [DOI: 10.2217/fnl-2016-0002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The heterogeneity of the vascular cognitive impairment (VCI) creates challenges for research on its genetic basis and pathophysiology. Despite well-known monogenic forms may be useful to understand some pathogenic mechanisms leading to VCI, most of VCIs are sporadic disorders resulting from the interaction between environmental, vascular and genetic factors. Genetic investigation for VCI may encompass both candidate genes that affect critical biological processes to VCI and common and rare genetic variants identified across the entire genome study technology, thereby enabling us to confirm or expose new biological mechanisms in VCI and develop new therapeutic and preventive approaches. Notwithstanding genetic susceptibility to VCI remains largely unknown owing to methodological issues. Collaborative efforts emerge as an interesting strategy to overcome these problems.
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Affiliation(s)
- Raquel Manso-Calderón
- Department of Neurology, University Hospital of Salamanca, Salamanca, Spain
- Institute of Biomedical Research of Salamanca (IBSAL), University of Salamanca-CSIC-SACYL, Salamanca, Spain
| | - Rogelio González-Sarmiento
- Institute of Biomedical Research of Salamanca (IBSAL), University of Salamanca-CSIC-SACYL, Salamanca, Spain
- Molecular Medicine Unit, Department of Medicine & Institute of Molecular & Cellular Biology of Cancer (IBMCC). University of Salamanca-CSIC, Salamanca, Spain
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47
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Chen WW, Zhang X, Huang WJ. Role of physical exercise in Alzheimer's disease. Biomed Rep 2016; 4:403-407. [PMID: 27073621 PMCID: PMC4812200 DOI: 10.3892/br.2016.607] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 02/22/2016] [Indexed: 11/05/2022] Open
Abstract
The benefits of physical exercise on the brain and general wellness are well recognised, but not particularly well known to the general public. Understanding the importance of integrating active behavior for overall health is crucial at any age and particularly for the elderly who are at risk of developing Alzheimer's disease (AD), a disease mainly affecting individuals aged >65 years. AD is a neurodegenerative disease characterized by extracellular senile plaques of amyloid-β, intracellular neurofibrillary tangles of the protein tau, brain atrophy and dementia. The beneficial effects of physical exercise have been observed on the maintenance of brain size and efficiency for the prevention of AD risks, such as obesity, hypertension and stroke. These effects are extended to individuals with, or at risk of dementia and other age-related neurodegenerative disorders. Accordingly, although extensive studies are required to fully understand the mechanisms by which physical exercise procures beneficial effects, data suggest the relevance of integrating physical exercise in the prevention and/or cure of AD, disease whose incidence is predicted to increase in the future. Such an increase, may pose medical, social and economical challenges for populations and the health care system worldwide. In the present review we assess the positive aspects of physical exercise with regard to prevention and cure of AD.
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Affiliation(s)
- Wei-Wei Chen
- Department of Neurology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221009, P.R. China
| | - Xia Zhang
- Department of Neurology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221009, P.R. China
| | - Wen-Juan Huang
- Department of Neurology, Xuzhou Central Hospital, Xuzhou, Jiangsu 221009, P.R. China
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48
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Akinyemi RO, Ovbiagele B, Akpalu A, Jenkins C, Sagoe K, Owolabi L, Sarfo F, Obiako R, Gebreziabher M, Melikam E, Warth S, Arulogun O, Lackland D, Ogunniyi A, Tiwari H, Kalaria RN, Arnett D, Owolabi MO. Stroke genomics in people of African ancestry: charting new paths. Cardiovasc J Afr 2016; 26:S39-49. [PMID: 25962947 PMCID: PMC4557488 DOI: 10.5830/cvja-2015-039] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
One in six people worldwide will experience a stroke in his/her lifetime. While people in Africa carry a disproportionately higher burden of poor stroke outcomes, compared to the rest of the world, the exact contribution of genomic factors to this disparity is unknown. Despite noteworthy research into stroke genomics, studies exploring the genetic contribution to stroke among populations of African ancestry in the United States are few. Furthermore, genomics data in populations living in Africa are lacking. The wide genomic variation of African populations offers a unique opportunity to identify genomic variants with causal relationships to stroke across different ethnic groups. The Stroke Investigative Research and Educational Network (SIREN), a component of the Human Health and Heredity in Africa (H3Africa) Consortium, aims to explore genomic and environmental risk factors for stroke in populations of African ancestry in West Africa and the United States. In this article, we review the literature on the genomics of stroke with particular emphasis on populations of African origin.
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Affiliation(s)
- R O Akinyemi
- Division of Neurology, Federal Medical Centre Abeokuta, Nigeria; Institute of Neuroscience, Newcastle University, UK
| | - B Ovbiagele
- Department of Neurosciences, Medical University of South Carolina, USA
| | - A Akpalu
- College of Health Sciences, University of Ghana, Accra, Ghana
| | | | - K Sagoe
- College of Health Sciences, University of Ghana, Accra, Ghana
| | - L Owolabi
- Department of Medicine, Bayero University, Kano, Nigeria
| | - F Sarfo
- School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
| | - R Obiako
- Department of Medicine, Ahmadu Bello University, Zaria, Nigeria
| | - M Gebreziabher
- Department of Neurosciences, Medical University of South Carolina, USA
| | - E Melikam
- College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - S Warth
- Department of Neurosciences, Medical University of South Carolina, USA
| | - O Arulogun
- College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - D Lackland
- Department of Neurosciences, Medical University of South Carolina, USA
| | - A Ogunniyi
- College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - H Tiwari
- Department of Public Health, University of Alabama at Birmingham, USA
| | - R N Kalaria
- Institute of Neuroscience, Newcastle University, UK
| | - D Arnett
- Department of Public Health, University of Alabama at Birmingham, USA
| | - M O Owolabi
- College of Medicine, University of Ibadan, Ibadan, Nigeria
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Kalaria RN, Akinyemi R, Ihara M. Stroke injury, cognitive impairment and vascular dementia. Biochim Biophys Acta Mol Basis Dis 2016; 1862:915-25. [PMID: 26806700 PMCID: PMC4827373 DOI: 10.1016/j.bbadis.2016.01.015] [Citation(s) in RCA: 302] [Impact Index Per Article: 37.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2015] [Revised: 01/18/2016] [Accepted: 01/20/2016] [Indexed: 12/13/2022]
Abstract
The global burden of ischaemic strokes is almost 4-fold greater than haemorrhagic strokes. Current evidence suggests that 25–30% of ischaemic stroke survivors develop immediate or delayed vascular cognitive impairment (VCI) or vascular dementia (VaD). Dementia after stroke injury may encompass all types of cognitive disorders. States of cognitive dysfunction before the index stroke are described under the umbrella of pre-stroke dementia, which may entail vascular changes as well as insidious neurodegenerative processes. Risk factors for cognitive impairment and dementia after stroke are multifactorial including older age, family history, genetic variants, low educational status, vascular comorbidities, prior transient ischaemic attack or recurrent stroke and depressive illness. Neuroimaging determinants of dementia after stroke comprise silent brain infarcts, white matter changes, lacunar infarcts and medial temporal lobe atrophy. Until recently, the neuropathology of dementia after stroke was poorly defined. Most of post-stroke dementia is consistent with VaD involving multiple substrates. Microinfarction, microvascular changes related to blood–brain barrier damage, focal neuronal atrophy and low burden of co-existing neurodegenerative pathology appear key substrates of dementia after stroke injury. The elucidation of mechanisms of dementia after stroke injury will enable establishment of effective strategy for symptomatic relief and prevention. Controlling vascular disease risk factors is essential to reduce the burden of cognitive dysfunction after stroke. This article is part of a Special Issue entitled: Vascular Contributions to Cognitive Impairment and Dementia edited by M. Paul Murphy, Roderick A. Corriveau and Donna M. Wilcock. Ischaemic injury is common among long-term stroke survivors About 25% stroke survivors develop dementia with a much greater proportion developing cognitive impairment Risk factors of dementia after stroke include older age, vascular comorbidities, prior stroke and pre-stroke impairment Current imaging and pathological studies suggest 70% of dementia after stroke is vascular dementia Severe white matter changes and medial temporal lobe atrophy as sequelae after ischaemic injury are substrates of dementia Controlling vascular risk factors and prevention strategies related to lifestyle factors would reduce dementia after stroke
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Affiliation(s)
- Raj N Kalaria
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, NE4 5PL, United Kingdom; Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Nigeria; Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan.
| | - Rufus Akinyemi
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, NE4 5PL, United Kingdom; Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Nigeria; Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan
| | - Masafumi Ihara
- Institute of Neuroscience, Newcastle University, Campus for Ageing & Vitality, Newcastle upon Tyne, NE4 5PL, United Kingdom; Neuroscience and Ageing Research Unit, Institute for Advanced Medical Research and Training, College of Medicine, University of Ibadan, Nigeria; Department of Stroke and Cerebrovascular Diseases, National Cerebral and Cardiovascular Center, 5-7-1 Fujishiro-dai, Suita, Osaka 565-8565, Japan
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Phosphodiesterase4D (PDE4D)--A risk factor for atrial fibrillation and stroke? J Neurol Sci 2015; 359:266-74. [PMID: 26671126 DOI: 10.1016/j.jns.2015.11.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Revised: 11/03/2015] [Accepted: 11/04/2015] [Indexed: 01/23/2023]
Abstract
Mutations in the gene encoding phosphodiesterase 4D (PDE4D) enzyme are associated with ischemic stroke; however the functional implications of such mutations are not well understood. PDE4D is part of a complex protein family modulating intracellular signalling by cyclic nucleotides. The PDE4 family includes subtypes A-D, all of which show unique intracellular, cellular and tissue distribution. PDE4D is the major subtype expressed in human atrial myocytes and involved in the pathophysiology of arrhythmias, such as atrial fibrillation. The PDE4D enzyme hydrolyses cyclic adenosine monophosphate (cAMP). Though diverging results are reported, several population based studies describe association of various PDE4D single nucleotide polymorphisms (SNP) with cardio-embolic stroke in particular. Functionally, a down regulation of PDE4D variants has been reported in stroke patients. The anti-inflammatory and vasodilator properties of PDE4 inhibitors make them suitable for treatment of stroke and cardiovascular disease. PDE4D has recently been suggested as factor in atrial fibrillation. This review summarizes the possible function of PDE4D in the brain, heart, and vasculature. Further, association of the described SNPs, in particular, with cardioembolic stroke, is reviewed. Current findings on the PDE4D mutations suggest functionality involves an increased cardiac risk factor as well as augmented risk of atrial fibrillation.
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