烟雾病是一种慢性进展性脑血管疾病,其特征为双侧颈内动脉末端及其主要分支的渐进性闭塞以及颅底异常血管网的形成。烟雾病是青年卒中的主要病因之一,但其发病机制尚未明确,可能与遗传、免疫、炎症等多种因素有关。作为烟雾病的主要易...烟雾病是一种慢性进展性脑血管疾病,其特征为双侧颈内动脉末端及其主要分支的渐进性闭塞以及颅底异常血管网的形成。烟雾病是青年卒中的主要病因之一,但其发病机制尚未明确,可能与遗传、免疫、炎症等多种因素有关。作为烟雾病的主要易感基因,环指蛋白213(ring finger protein 213,RNF213)基因在疾病的进展和预后中起着关键作用。尽管目前的RNF213基因编辑动物模型未能完全模拟出烟雾病的典型病理改变,但现有研究揭示了RNF213在血管生成、炎症反应及免疫调节中的重要作用。RNF213基因突变影响内皮细胞和平滑肌细胞的功能,可能与烟雾病中的血管重构密切相关。此外,RNF213还参与包括抗感染反应在内的多种细胞生物学过程,这些过程可能与烟雾病的发病机制关联。综上所述:RNF213基因不仅在烟雾病的发生发展中发挥多重作用,也是未来治疗策略研究的关键靶点。本文旨在综述RNF213基因的多功能性及其在烟雾病发病机制中的作用,以期为深入理解该疾病提供新的视角。展开更多
颅内大动脉狭窄/闭塞(intracranial major artery stenosis/occlusion,ICASO)是我国缺血性卒中最常见病因之一。既往研究提示其与烟雾病在受累血管分布、种族差异性等方面具有相似性。环指蛋白213(ring finger protein 213,RNF213)基因...颅内大动脉狭窄/闭塞(intracranial major artery stenosis/occlusion,ICASO)是我国缺血性卒中最常见病因之一。既往研究提示其与烟雾病在受累血管分布、种族差异性等方面具有相似性。环指蛋白213(ring finger protein 213,RNF213)基因是烟雾病的易感基因。研究发现该基因与ICASO、大动脉粥样硬化性缺血性卒中、颅内动脉瘤同样具有相关性,提示RNF213基因可能与脑血管病发生、发展存在密切的联系。本文旨在通过回顾国内外相关文献,就RNF213结构、功能、基因多态性及与脑血管病相关性等问题进行概述。展开更多
Moyamoya disease(MMD)is a cerebrovascular disorder characterized by a steno-occlusive internal carotid artery and compensatory vascular network formation.Although the precise pathogenic mechanism remains elusive,genet...Moyamoya disease(MMD)is a cerebrovascular disorder characterized by a steno-occlusive internal carotid artery and compensatory vascular network formation.Although the precise pathogenic mechanism remains elusive,genetic association studies have identified RNF213 as the principal susceptibility gene for MMD,with the single nucleotide polymorphism p.R4810K recognized as the founder variant predominantly in the Asian populations.Distinct genotype–phenotype correlations are observable in RNF213-related MMD.The clinical manifestations linked to p.R4810K bear commonalities within Asian cohort,including familial predisposition,earlier age of onset,ischemic episodes,and involvement of the posterior cerebral artery(PCA).However,despite these shared phenotypic characteristics,there is significant heterogeneity in RNF213-related MMD presentations.This diversity manifests as variations across ethnic groups,inconsistent clinical symptoms and prognosis,and occurrence of other vasculopathies involving RNF213.This heterogeneity,in conjunction with the observed low disease penetrance of RNF213 mutations,suggests that the presence of these mutations may not be sufficient to cause MMD,underscoring the potential influence of other genetic or environmental factors.Although the current research might not have fully identified these additional contributors,experimental evidence points toward the involvement of RNF213 in angiogenesis,lipid metabolism,and the immune response.Future research is required to unveil the molecular mechanisms and identify the factors that synergize with RNF213 in the pathogenesis of MMD.展开更多
目的探讨环指蛋白213(RNF213)基因P.R4810K(G〉A)单核苷酸多态性与中国汉族缺血性卒中的关系。方法纳入2013年6月~2013年12月入住郑州大学第一附属医院神经内科汉族缺血性脑卒中患者,所有患者均行血管影像学检查,包括磁共振血...目的探讨环指蛋白213(RNF213)基因P.R4810K(G〉A)单核苷酸多态性与中国汉族缺血性卒中的关系。方法纳入2013年6月~2013年12月入住郑州大学第一附属医院神经内科汉族缺血性脑卒中患者,所有患者均行血管影像学检查,包括磁共振血管成像(MRA)或者CT血管成像(CTA),分为颅内大动脉狭窄或闭塞亚组(intracranial major artery stenosis/occlusion,ICASO)及无颅内大动脉狭窄或闭塞亚组(norl-ICASO),同时选取性别、年龄与缺血性脑卒中组相匹配的健康汉族人为对照组。通过聚合酶链式反应及直接测序方法行多态性位点分析。结果共纳入285例中国汉族缺血性脑卒中患者,其中139例(48.8%)存在不同程度颅内动脉狭窄或者闭塞,146例(51.2%)无颅内大动脉狭窄或闭塞。RNF213基因P.R4810K多态性在缺血性卒中组、1CASO亚组、非ICASO亚组、正常对照组的发生率分别为0.35%(1/285)、0.72%(1/139)、0(0/146)、0.33%(1/300)。和对照组相比,RNF213基因P.R4810K多态性与缺血性卒中组差异无统计学意义(P=1,oddsratio[OR]1.053,95%confi-denceinterval[CI]0.066-16.912),与合并颅内大动脉狭窄或者闭塞亚组问差异同样无统计学意义(P=0.533,OR2.167,95%CI0.135-34.894)。结论RNF213基因P.R4810K单核苷酸多态性与中国汉族缺血性脑卒中及存在ICASO的缺血性脑卒中患者的易患性无相关性,但需在较大样本中进一步验证。展开更多
文摘烟雾病是一种慢性进展性脑血管疾病,其特征为双侧颈内动脉末端及其主要分支的渐进性闭塞以及颅底异常血管网的形成。烟雾病是青年卒中的主要病因之一,但其发病机制尚未明确,可能与遗传、免疫、炎症等多种因素有关。作为烟雾病的主要易感基因,环指蛋白213(ring finger protein 213,RNF213)基因在疾病的进展和预后中起着关键作用。尽管目前的RNF213基因编辑动物模型未能完全模拟出烟雾病的典型病理改变,但现有研究揭示了RNF213在血管生成、炎症反应及免疫调节中的重要作用。RNF213基因突变影响内皮细胞和平滑肌细胞的功能,可能与烟雾病中的血管重构密切相关。此外,RNF213还参与包括抗感染反应在内的多种细胞生物学过程,这些过程可能与烟雾病的发病机制关联。综上所述:RNF213基因不仅在烟雾病的发生发展中发挥多重作用,也是未来治疗策略研究的关键靶点。本文旨在综述RNF213基因的多功能性及其在烟雾病发病机制中的作用,以期为深入理解该疾病提供新的视角。
文摘颅内大动脉狭窄/闭塞(intracranial major artery stenosis/occlusion,ICASO)是我国缺血性卒中最常见病因之一。既往研究提示其与烟雾病在受累血管分布、种族差异性等方面具有相似性。环指蛋白213(ring finger protein 213,RNF213)基因是烟雾病的易感基因。研究发现该基因与ICASO、大动脉粥样硬化性缺血性卒中、颅内动脉瘤同样具有相关性,提示RNF213基因可能与脑血管病发生、发展存在密切的联系。本文旨在通过回顾国内外相关文献,就RNF213结构、功能、基因多态性及与脑血管病相关性等问题进行概述。
基金supported by grants from STI2030-Major Project#2021ZD0201100 Task 5#2021ZD0201105National High Level Hospital Clinical Research Funding(No.2022-PUMCH-D-007).
文摘Moyamoya disease(MMD)is a cerebrovascular disorder characterized by a steno-occlusive internal carotid artery and compensatory vascular network formation.Although the precise pathogenic mechanism remains elusive,genetic association studies have identified RNF213 as the principal susceptibility gene for MMD,with the single nucleotide polymorphism p.R4810K recognized as the founder variant predominantly in the Asian populations.Distinct genotype–phenotype correlations are observable in RNF213-related MMD.The clinical manifestations linked to p.R4810K bear commonalities within Asian cohort,including familial predisposition,earlier age of onset,ischemic episodes,and involvement of the posterior cerebral artery(PCA).However,despite these shared phenotypic characteristics,there is significant heterogeneity in RNF213-related MMD presentations.This diversity manifests as variations across ethnic groups,inconsistent clinical symptoms and prognosis,and occurrence of other vasculopathies involving RNF213.This heterogeneity,in conjunction with the observed low disease penetrance of RNF213 mutations,suggests that the presence of these mutations may not be sufficient to cause MMD,underscoring the potential influence of other genetic or environmental factors.Although the current research might not have fully identified these additional contributors,experimental evidence points toward the involvement of RNF213 in angiogenesis,lipid metabolism,and the immune response.Future research is required to unveil the molecular mechanisms and identify the factors that synergize with RNF213 in the pathogenesis of MMD.
文摘目的探讨环指蛋白213(RNF213)基因P.R4810K(G〉A)单核苷酸多态性与中国汉族缺血性卒中的关系。方法纳入2013年6月~2013年12月入住郑州大学第一附属医院神经内科汉族缺血性脑卒中患者,所有患者均行血管影像学检查,包括磁共振血管成像(MRA)或者CT血管成像(CTA),分为颅内大动脉狭窄或闭塞亚组(intracranial major artery stenosis/occlusion,ICASO)及无颅内大动脉狭窄或闭塞亚组(norl-ICASO),同时选取性别、年龄与缺血性脑卒中组相匹配的健康汉族人为对照组。通过聚合酶链式反应及直接测序方法行多态性位点分析。结果共纳入285例中国汉族缺血性脑卒中患者,其中139例(48.8%)存在不同程度颅内动脉狭窄或者闭塞,146例(51.2%)无颅内大动脉狭窄或闭塞。RNF213基因P.R4810K多态性在缺血性卒中组、1CASO亚组、非ICASO亚组、正常对照组的发生率分别为0.35%(1/285)、0.72%(1/139)、0(0/146)、0.33%(1/300)。和对照组相比,RNF213基因P.R4810K多态性与缺血性卒中组差异无统计学意义(P=1,oddsratio[OR]1.053,95%confi-denceinterval[CI]0.066-16.912),与合并颅内大动脉狭窄或者闭塞亚组问差异同样无统计学意义(P=0.533,OR2.167,95%CI0.135-34.894)。结论RNF213基因P.R4810K单核苷酸多态性与中国汉族缺血性脑卒中及存在ICASO的缺血性脑卒中患者的易患性无相关性,但需在较大样本中进一步验证。