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Wang C, Gu L, Zhang Y, Gao Y, Jian Z, Xiong X. Bibliometric insights into the inflammation and mitochondrial stress in ischemic stroke. Exp Neurol 2024; 378:114845. [PMID: 38838802 DOI: 10.1016/j.expneurol.2024.114845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/19/2024] [Accepted: 06/02/2024] [Indexed: 06/07/2024]
Abstract
BACKGROUND Research in the areas of inflammation and mitochondrial stress in ischemic stroke is rapidly expanding, but a comprehensive overview that integrates bibliometric trends with an in-depth review of molecular mechanisms is lacking. OBJECTIVE To map the evolving landscape of research using bibliometric analysis and to detail the molecular mechanisms that underpin these trends, emphasizing their implications in ischemic stroke. METHODS We conducted a bibliometric analysis to identify key trends, top contributors, and focal research themes. In addition, we review recent research advances in mitochondrial stress and inflammation in ischemic stroke to gain a detailed understanding of the pathophysiological processes involved. CONCLUSION Our integrative approach not only highlights the growing research interest and collaborations but also provides a detailed exploration of the molecular mechanisms that are central to the pathology of ischemic stroke. This synthesis offers valuable insights for researchers and paves the way for targeted therapeutic interventions.
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Affiliation(s)
- Chaoqun Wang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lijuan Gu
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China; Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yonggang Zhang
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yikun Gao
- Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China; Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhihong Jian
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China
| | - Xiaoxing Xiong
- Department of Neurosurgery, Renmin Hospital of Wuhan University, Wuhan 430060, China; Central Laboratory, Renmin Hospital of Wuhan University, Wuhan, China.
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Fan J, Zhong L, Yan F, Li X, Li L, Zhao H, Han Z, Wang R, Tao Z, Zheng Y, Ma Q, Luo Y. Alteration of N6-methyladenosine modification profiles in the neutrophilic RNAs following ischemic stroke. Neuroscience 2024; 553:56-73. [PMID: 38945353 DOI: 10.1016/j.neuroscience.2024.06.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 06/04/2024] [Accepted: 06/18/2024] [Indexed: 07/02/2024]
Abstract
BACKGROUND N6-methyladenosine (m6A) is one of the most extensive RNA methylation modifications in eukaryotes and participates in the pathogenesis of numerous diseases including ischemic stroke. Peripheral blood neutrophils are forerunners after ischemic brain injury and exert crucial functions. This study aims to explore the transcriptional profiles of m6A modification in neutrophils of patients with ischemic stroke. RESULTS We found that the expression levels of m6A regulators FTO and YTHDC1 were notably decreased in the neutrophils following ischemic stroke, and FTO expression was negatively correlated with neutrophil counts and neutrophil-to-lymphocyte ratio (NLR). The m6A mRNA&lncRNA epigenetic transcriptome microarray identified 416 significantly upregulated and 500 significantly downregulated mRNA peaks in neutrophils of ischemic stroke patients. Moreover, 48 mRNAs and 18 lncRNAs were hypermethylated, and 115 mRNAs and 29 lncRNAs were hypomethylated after cerebral ischemia. Gene ontology (GO) analysis identified that these m6A-modified mRNAs were primarily enriched in calcium ion transport, long-term synaptic potentiation, and base-excision repair. The signaling pathways involved were EGFR tyrosine kinase inhibitor resistance, ErbB, and base excision repair signaling pathway. MeRIP-qPCR validation results showed that NRG1 and GDPD1 were significantly hypermethylated, and LIG1, CHRND, lncRNA RP11-442J17.2, and lncRNA RP11-600P1.2 were significantly hypomethylated after cerebral ischemia. Moreover, the expression levels of major m6A regulators Mettl3, Fto, Ythdf1, and Ythdf3 were obviously declined in the brain and leukocytes of post-stroke mouse models. CONCLUSION This study explored the RNA m6A methylation pattern in the neutrophils of ischemic stroke patients, indicating that it is an intervention target of epigenetic regulation in ischemic stroke.
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Affiliation(s)
- Junfen Fan
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China.
| | - Liyuan Zhong
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Feng Yan
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Xue Li
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Lingzhi Li
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Haiping Zhao
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Ziping Han
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Rongliang Wang
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Zhen Tao
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Yangmin Zheng
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China
| | - Qingfeng Ma
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China.
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China; Beijing Institute for Brain Disorders, Capital Medical University, Beijing 100053, China.
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Wu L, Deng H, Feng X, Xie D, Li Z, Chen J, Mo Z, Zhao Q, Hu Z, Yi S, Meng S, Wang J, Li X, Lin B, Gao Z. Interferon-γ + Th1 activates intrahepatic resident memory T cells to promote HBsAg loss by inducing M1 macrophage polarization. J Med Virol 2024; 96:e29627. [PMID: 38659381 DOI: 10.1002/jmv.29627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/25/2024] [Accepted: 04/11/2024] [Indexed: 04/26/2024]
Abstract
The immune mechanism underlying hepatitis B surface antigen (HBsAg) loss, particularly type I inflammatory response, during pegylated interferon-α (PEG-IFN) therapy remains unclear. In this study, we aimed to elucidate such immune mechanisms. Overall, 82 patients with chronic hepatitis B (CHB), including 41 with HBsAg loss (cured group) and 41 uncured patients, received nucleos(t)ide analogue and PEG-IFN treatments. Blood samples from all patients, liver tissues from 14 patients with CHB, and hepatic perfusate from 8 liver donors were collected for immune analysis. Jurkat, THP-1 and HepG2.2.15 cell lines were used in cell experiments. The proportion of IFN-γ+ Th1 cells was higher in the cured group than in the uncured group, which was linearly correlated with HBsAg decline and alanine aminotransferase (ALT) levels during treatment. However, CD8+ T cells were weakly associated with HBsAg loss. Serum and intrahepatic levels of Th1 cell-associated chemokines (C-X-C motif chemokine ligand [CXCL] 9, CXCL10, CXCL11, IFN-γ) were significantly lower in the cured patients than in patients with a higher HBsAg quantification during therapy. Serum from cured patients induced more M1 (CD68+CD86+ macrophage) cells than that from uncured patients. Patients with chronic HBV infection had significantly lower proportions of CD86+ M1 and CD206+ M2 macrophages in their livers than healthy controls. M1 polarization of intrahepatic Kupffer cells promoted HBsAg loss by upregulating the effector function of tissue-resident memory T cells with increased ALT levels. IFN-γ+ Th1 activates intrahepatic resident memory T cells to promote HBsAg loss by inducing M1 macrophage polarization.
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Affiliation(s)
- Lili Wu
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, China
| | - Hong Deng
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiao Feng
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Dongying Xie
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhihui Li
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Junfeng Chen
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhishuo Mo
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Qiyi Zhao
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhaoxia Hu
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shuhong Yi
- Department of Hepatic Surgery and Liver Transplantation Center, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Shibo Meng
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Jialei Wang
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Xiaoyan Li
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Bingliang Lin
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Zhiliang Gao
- Department of Infectious Diseases, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Liver Disease Research, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
- Key Laboratory of Tropical Disease Control (Sun Yat-sen University), Ministry of Education, Guangzhou, China
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Hao JJ, Liu Y, Lu JH, Zhao Y, Lin Y, Ma LQ, Xue P, Jin BY, Li BB, Zhou Z, Huang XX, Liu T, Li MY, Lai JY, Guan HJ. Analysis of the expression level and predictive value of CLEC16A|miR-654-5p|RARA regulatory axis in the peripheral blood of patients with ischemic stroke based on biosignature analysis. Front Neurol 2024; 15:1353275. [PMID: 38682035 PMCID: PMC11047435 DOI: 10.3389/fneur.2024.1353275] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 03/04/2024] [Indexed: 05/01/2024] Open
Abstract
Introduction Ischemic stroke (IS) is a cerebrovascular disease that can be disabling and fatal, and there are limitations in the clinical treatment and prognosis of IS. It has been reported that changes in the expression profile of circRNAs have been found during injury in ischemic stroke, and circRNAs play an important role in the IS cascade response. However, the specific mechanisms involved in the pathogenesis of IS are not yet fully understood, and thus in-depth studies are needed. Methods In this study, one circRNA dataset (GSE161913), one miRNA dataset (GSE60319) and one mRNA dataset (GSE180470) were retrieved from the Gene Expression Omnibus (GEO) database and included, and the datasets were differentially expressed analyzed by GEO2R and easyGEO to get the DEcircRNA, DEmiRNA and DEmRNA, and DEmRNA was enriched using ImageGP, binding sites were predicted in the ENCORI database, respectively, and the competitive endogenous RNA (ceRNA) regulatory network was visualized by the cytoscape software, and then selected by MCC scoring in the cytoHubba plugin Hub genes. In addition, this study conducted a case-control study in which blood samples were collected from stroke patients and healthy medical examiners to validate the core network of ceRNAs constructed by biosignature analysis by real-time fluorescence quantitative qRT-PCR experiments. Results A total of 233 DEcircRNAs, 132 DEmiRNAs and 72 DEmRNAs were screened by bioinformatics analysis. circRNA-mediated ceRNA regulatory network was constructed, including 148 circRNAs, 43 miRNAs and 44 mRNAs. Finally, CLEC16A|miR-654-5p|RARA competitive endogenous regulatory axis was selected for validation by qRT-PCR, and the validation results were consistent with the bioinformatics analysis. Discussion In conclusion, the present study establishes a new axis of regulation associated with IS, providing new insights into the pathogenesis of IS.
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Affiliation(s)
- Jiang-jie Hao
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Yuan Liu
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Jun-hua Lu
- Department of Nursing, Mudanjiang Medical University, Mudanjiang, China
| | - Ying Zhao
- Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, China
| | - Ying Lin
- Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, China
| | - Li-qiu Ma
- Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, China
| | - Ping Xue
- Hongqi Hospital Affiliated to Mudanjiang Medical University, Mudanjiang, China
| | - Bao-yun Jin
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Bei-bei Li
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Zheng Zhou
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Xin-xin Huang
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Ting Liu
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Meng-yue Li
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Jin-ying Lai
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
| | - Hong-jun Guan
- Department of Public Health, Mudanjiang Medical University, Mudanjiang, China
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Song T, Zhang Y, Zhu L, Zhang Y, Song J. The role of JAK/STAT signaling pathway in cerebral ischemia-reperfusion injury and the therapeutic effect of traditional Chinese medicine: A narrative review. Medicine (Baltimore) 2023; 102:e35890. [PMID: 37986307 PMCID: PMC10659620 DOI: 10.1097/md.0000000000035890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 11/22/2023] Open
Abstract
Cerebral ischemia is a cerebrovascular disease with symptoms caused by insufficient blood or oxygen supply to the brain. When blood supplied is restored after cerebral ischemia, secondary brain injury may occur, which is called cerebral ischemia-reperfusion injury (CIRI). In this process, the Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathway plays an important role. It mediates neuroinflammation and participates in the regulation of physiological activities, such as cell proliferation, differentiation, and apoptosis. After CIRI, M1 microglia is activated and recruited by the damaged tissue. The inflammatory factors are produced by M1 microglia through the JAK/STAT pathway, eventually leading to cell apoptosis. Meanwhile, the JAK2/STAT3 signaling pathway and the expression of lipocalin-2 and caspase-3 could increase. In the pathway, phosphorylated JAK2 and phosphorylated STAT3 function of 2 ways. They not only promote the proliferation of neurons, but also affect the differentiation direction of neural stem cells by further acting on the Notch signaling pathway. Recently, traditional Chinese medicine (TCM) is a key player in CIRI, through JAK2, STAT3, STAT1 and their phosphorylation. Therefore, the review focuses on the JAK/STAT signaling pathway and its relationship with CIRI as well as the influence of the TCM on this pathway. It is aimed at providing the basis for future clinical research on the molecular mechanism of TCM in the treatment of CIRI.
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Affiliation(s)
- Tianzhi Song
- The Fourth School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Yishu Zhang
- The Second School of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, China
| | - Liangrong Zhu
- Wenling Hospital of Traditional Chinese Medicine, Taizhou, China
| | - Yuyan Zhang
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Jingmei Song
- School of Basic Medicine Sciences, Zhejiang Chinese Medical University, Hangzhou, China
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Hong T, Zhao T, He W, Xia J, Huang Q, Yang J, Gu W, Chen C, Zhang N, Liu Y, Feng J. Exosomal circBBS2 inhibits ferroptosis by targeting miR-494 to activate SLC7A11 signaling in ischemic stroke. FASEB J 2023; 37:e23152. [PMID: 37603538 DOI: 10.1096/fj.202300317rrr] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 07/25/2023] [Accepted: 08/04/2023] [Indexed: 08/23/2023]
Abstract
Umbilical cord-mesenchymal stem cells (UC-MSCs)-derived exosomes have been considered as an effective treatment for ischemic stroke. CircRNA BBS2 (circBBS2) was demonstrated to be down-regulated in patients with ischemic stroke. However, the role of UC-MSCs-derived exosomal circBBS2 in ischemic stroke and potential mechanisms remain unclear. Hypoxia/reperfusion (H/R)-exposed SH-SY5Y cells and middle cerebral artery occlusion (MCAO)-treated rats were served as in vitro and in vivo models of ischemic stroke. Target gene expression was detected by qRT-PCR. Cell viability was assessed by MTT assay. Ferroptosis was determined by iron, MDA, GSH, and lipid ROS levels. Protein levels were measured by Western blotting. The target relationships among circBBS2, miR-494, and SLC7A11 were validated by RNA-pull down, RIP, and dual-luciferase reporter assays. TTC and HE staining were performed to evaluate cerebral infarction volume and neuropathological changes. circBBS2 was lowly expressed and ferroptosis was triggered in MCAO rats and H/R-stimulated SH-SY5Y cells. UC-MSCs-derived exosomes enhanced cell viability and restrained ferroptosis via increasing circBBS2 expression in SH-SY5Y cells. Mechanistically, circBBS2 sponged miR-494 to enhance the SLC7A11 level. Knockdown of miR-494 or SLC7A11 reversed the effects of silencing circBBS2 or miR-494 on ferroptosis of SH-SY5Y cells, respectively. Furthermore, UC-MSCs-derived exosomes attenuated ischemic stroke in rats via delivering circBBS2 to inhibit ferroptosis. UC-MSCs-derived exosomal circBBS2 enhanced SLC7A11 expression via sponging miR-494, therefore repressing ferroptosis and relieving ischemic stroke. Our findings shed light on a novel mechanism for UC-MSCs-derived exosomes in the treatment of ischemic stroke.
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Affiliation(s)
- Ting Hong
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Tingting Zhao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Wei He
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Jian Xia
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Qing Huang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Jie Yang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Wenping Gu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Changqing Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Ning Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Yunhai Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
| | - Jie Feng
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, P.R. China
- Hunan Clinical Research Center for Cerebrovascular Disease, Changsha, Hunan Province, P.R. China
- Clinical Research Center for Geriatric Diseases, Xiangya Hospital, Changsha, Hunan Province, P.R. China
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Xie M, Hao Y, Feng L, Wang T, Yao M, Li H, Ma D, Feng J. Neutrophil Heterogeneity and its Roles in the Inflammatory Network after Ischemic Stroke. Curr Neuropharmacol 2023; 21:621-650. [PMID: 35794770 PMCID: PMC10207908 DOI: 10.2174/1570159x20666220706115957] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/19/2022] [Accepted: 06/13/2022] [Indexed: 11/22/2022] Open
Abstract
As the first peripheral immune cells to enter the brain after ischemic stroke, neutrophils are important participants in stroke-related neuroinflammation. Neutrophils are quickly mobilized from the periphery in response to a stroke episode and cross the blood-brain barrier to reach the ischemic brain parenchyma. This process involves the mobilization and activation of neutrophils from peripheral immune organs (including the bone marrow and spleen), their chemotaxis in the peripheral blood, and their infiltration into the brain parenchyma (including disruption of the blood-brain barrier, inflammatory effects on brain tissue, and interactions with other immune cell types). In the past, it was believed that neutrophils aggravated brain injuries through the massive release of proteases, reactive oxygen species, pro-inflammatory factors, and extracellular structures known as neutrophil extracellular traps (NETs). With the failure of early clinical trials targeting neutrophils and uncovering their underlying heterogeneity, our view of their role in ischemic stroke has become more complex and multifaceted. As neutrophils can be divided into N1 and N2 phenotypes in tumors, neutrophils have also been found to have similar phenotypes after ischemic stroke, and play different roles in the development and prognosis of ischemic stroke. N1 neutrophils are dominant during the acute phase of stroke (within three days) and are responsible for the damage to neural structures via the aforementioned mechanisms. However, the proportion of N2 neutrophils gradually increases in later phases, and this has a beneficial effect through the release of anti-inflammatory factors and other neuroprotective mediators. Moreover, the N1 and N2 phenotypes are highly plastic and can be transformed into each other under certain conditions. The pronounced differences in their function and their high degree of plasticity make these neutrophil subpopulations promising targets for the treatment of ischemic stroke.
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Affiliation(s)
- Meizhen Xie
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Yulei Hao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Liangshu Feng
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Tian Wang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Mengyue Yao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Hui Li
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Di Ma
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
| | - Jiachun Feng
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Xinmin, Changchun, Jilin Province 130021, China
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Circulating MicroRNAs and Extracellular Vesicle-Derived MicroRNAs as Predictors of Functional Recovery in Ischemic Stroke Patients: A Systematic Review and Meta-Analysis. Int J Mol Sci 2022; 24:ijms24010251. [PMID: 36613694 PMCID: PMC9820088 DOI: 10.3390/ijms24010251] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
Stroke accounts for the second leading cause of death and a major cause of disability, with limited therapeutic strategy in both the acute and chronic phases. Blood-based biomarkers are intensively researched and widely recognized as useful tools to predict the prognoses of patients confronted with therapeutically limited diseases. We performed a systematic review of the circulating biomarkers in IS patients with prognostic value, with a focus on microRNAs and exosomes as predictive biomarkers of motor and cognitive recovery. We identified 63 studies, totalizing 72 circulating biomarkers with prognostic value in stroke recovery, as follows: 68 miRNAs and exosomal-miRNAs being identified as predictive for motor recovery after stroke, and seven biomarkers being predictive for cognitive recovery. Twelve meta-analyses were performed using effect sizes (random-effects and fixed-effects model). The most significant correlation findings obtained after pooling were with miR-21, miR-29b, miR-125b-5p, miR-126, and miR-335. We identified several miRNAs that were correlated with clinical outcomes of stroke severity and recovery after ischemic stroke, providing predictive information on motor and cognitive recovery. Based on the current state of research, we identified serum miR-9 and neutrophil miR-29b as the most promising biomarkers for in-depth follow-up studies, followed by serum miR-124 and plasma miR-125b.
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Zheng Y, Hu Y, Han Z, Yan F, Zhang S, Yang Z, Zhao F, Li L, Fan J, Wang R, Luo Y. Lomitapide ameliorates middle cerebral artery occlusion-induced cerebral ischemia/reperfusion injury by promoting neuronal autophagy and inhibiting microglial migration. CNS Neurosci Ther 2022; 28:2183-2194. [PMID: 36052650 PMCID: PMC9627359 DOI: 10.1111/cns.13961] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 02/06/2023] Open
Abstract
AIMS Stroke has a high incidence and is a disabling condition that can lead to severe cognitive, motor, and sensory dysfunction. In this study, we employed a drug repurposing strategy to investigate the neuroprotective effect of lomitapide on focal ischemic brain injury and explore its potential mechanism of action. METHODS Experimental cerebral ischemia was induced by middle cerebral artery occlusion (MCAO) in adult male C57BL/6 mice and simulated by oxygen-glucose deprivation in N2a-BV2 cells in co-cultivation. RESULTS Lomitapide significantly increased the survival rate, reduced the neuronal tissue loss, and improved the neurological function after MCAO. Furthermore, lomitapide could increase the expression of LC3-II, reduce the expression of P62 and LAMP2, promote autophagic flux, and inhibit apoptosis by increasing and inhibiting the expression of the apoptosis-associated proteins Bcl-2 and Bax, respectively. In addition, lomitapide inhibited the migration of pro-inflammatory microglia. CONCLUSION Lomitapide is a lipid-lowering drug, and this is the first study to explore its protective effect on ischemic nerve injury in vitro and in vivo. Our results suggest that lomitapide can be repositioned as a potential therapeutic drug for the treatment of stroke.
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Affiliation(s)
- Yangmin Zheng
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Yue Hu
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Ziping Han
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Feng Yan
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Sijia Zhang
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Zhenhong Yang
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Fangfang Zhao
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Lingzhi Li
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Junfen Fan
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Rongliang Wang
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina,Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
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Han Z, Li L, Zhao H, Wang R, Yan F, Tao Z, Fan J, Zheng Y, Zhao F, Huang Y, Tian Y, Li G, Luo Y. MicroRNA-193a-5p Rescues Ischemic Cerebral Injury by Restoring N2-Like Neutrophil Subsets. Transl Stroke Res 2022:10.1007/s12975-022-01071-y. [PMID: 35906328 DOI: 10.1007/s12975-022-01071-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/21/2022] [Accepted: 07/24/2022] [Indexed: 10/16/2022]
Abstract
Circulating neutrophils are activated shortly after stroke and in turn affect the fate of ischemic brain tissue, and microRNAs (miRNA) participate in regulating neuroinflammation. We probed the role of neutrophilic miRNA in ischemic stroke. miR-193a-5p was decreased in circulating neutrophils of acute ischemic stroke (AIS) patients and healthy controls. In another set of AIS patients treated with recombinant tissue plasminogen activator, higher neutrophilic miR-193a-5p levels were associated with favorable outcomes at 3 months and non-symptomatic intracerebral hemorrhage. An experimental stroke model and human neutrophil-like HL-60 cells were further transfected with agomiR-193a-5p/antagomiR-193a-5p or ubiquitin-conjugating enzyme V2 (UBE2V2)-siRNA prior to model induction for in vivo and in vitro studies. Results of 2,3,5-triphenyl tetrazolium chloride staining and neurological function evaluations at post-experimental stroke showed that intravenous agomiR-193a-5p transfusion protected against ischemic cerebral injury in the acute stage and promoted neurological recovery in the subacute stage. This protective role was suggested to correlate with neutrophil N2 transformation based on the N2-like neutrophil proportions in the bone marrow, peripheral blood, and spleen of the experimental stroke model and the measurement of neutrophil phenotype-associated molecule levels. Mechanistically, analyses indicated that UBE2V2 might be a target of miR-193a-5p. Cerebral injury and neuroinflammation aggravated by miR-193a-5p inhibition were reversed by UBE2V2 silencing. In conclusion, miR-193a-5p protects against cerebral ischemic injury by restoring neutrophil N2 phenotype-associated neuroinflammation suppression, likely, in part, via UBE2V2 induction.
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Affiliation(s)
- Ziping Han
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Lingzhi Li
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Haiping Zhao
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Rongliang Wang
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Feng Yan
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Zhen Tao
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Junfen Fan
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Yangmin Zheng
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Fangfang Zhao
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Yuyou Huang
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Yue Tian
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China
| | - Guangwen Li
- Department of Neurology, The Affiliated Hospital of Qingdao University, No.16 Jiangsu Road, Qingdao, China
| | - Yumin Luo
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, 100053, China. .,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China. .,Beijing Institute for Brain Disorders, Beijing, China.
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11
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Sun L, Ji D, Zhi F, Fang Y, Zhu Z, Ni T, Zhu Q, Bao J. MiR-494-3p Upregulation Exacerbates Cerebral Ischemia Injury by Targeting Bhlhe40. Yonsei Med J 2022; 63:389-398. [PMID: 35352891 PMCID: PMC8965425 DOI: 10.3349/ymj.2022.63.4.389] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/19/2021] [Accepted: 12/21/2021] [Indexed: 11/27/2022] Open
Abstract
PURPOSE Cerebral ischemia is related to insufficient blood supply and is characterized by abnormal reactive oxygen species (ROS) production and cell apoptosis. Previous studies have revealed a key role for basic helix-loop-helix family member e40 (Bhlhe40) in oxidative stress and cell apoptosis. This study aimed to investigate the roles of miR-494-3p in cerebral ischemia/reperfusion (I/R) injury. MATERIALS AND METHODS A mouse middle cerebral artery occlusion (MCAO/R) model was established to mimic cerebral ischemia in vivo. Brain infarct area was assessed using triphenyl tetrazolium chloride staining. Oxygen-glucose deprivation/reoxygenation (OGD/R) operation was adopted to mimic neuronal injury in vitro. Cell apoptosis was analyzed by flow cytometry. The relationship between miR-494-3p and Bhlhe40 was validated by luciferase reporter and RNA immunoprecipitation assays. RESULTS Bhlhe40 expression was downregulated both in MCAO/R animal models and OGD/R-induced SH-SY5Y cells. Bhlhe40 overexpression inhibited cell apoptosis and reduced ROS production in SH-SY5Y cells after OGD/R treatment. MiR-494-3p was verified to bind to Bhlhe40 and negatively regulate Bhlhe40 expression. Additionally, cell apoptosis and ROS production in OGD/R-treated SH-SY5Y cells were accelerated by miR-494-3p overexpression. Rescue experiments suggested that Bhlhe40 could reverse the effects of miR-494-3p overexpression on ROS production and cell apoptosis. CONCLUSION MiR-494-3p exacerbates brain injury and neuronal injury by regulating Bhlhe40 after I/R.
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Affiliation(s)
- Lingjiang Sun
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Dandan Ji
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Feng Zhi
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Yu Fang
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Zigang Zhu
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Tong Ni
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China
| | - Qin Zhu
- Department of Stomatology, Taixing Third People's Hospital, Taizhou, Jiangsu, China.
| | - Jie Bao
- Department of Critical Care Medicine, Wuxi Second People's Hospital, Wuxi, Jiangsu, China.
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12
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MicroRNA-495 suppresses pre-eclampsia via activation of p53/PUMA axis. Cell Death Dis 2022; 8:132. [PMID: 35338123 PMCID: PMC8956677 DOI: 10.1038/s41420-022-00874-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 01/20/2022] [Accepted: 02/08/2022] [Indexed: 11/29/2022]
Abstract
Linkage between microRNAs (miRNAs) and pre-eclampsia (PE) has been documented. Here, we focused on miR-495 in PE and its underlying mechanism in regulation of trophoblast cells. Expression of miR-495, HDAC2, p53 and PUMA was determined in collected placental tissue samples. Loss- and gain-function was performed to determine the roles of miR-495, HDAC2, p53, and PUMA in biological processes of HTR8/SVneo cells and primary trophoblast cells. The relationships among miR-495, HDAC2, and p53 were pinpointed. PE patients presented with higher expression of miR-495, p53, and PUMA in placental tissues, but lower HDAC2. miR-495 negatively targeted HDAC2 expression. HDAC2 suppressed p53 expression via deacetylation. Overexpression of miR-495, p53, or PUMA inhibited biological properties of HTR8/SVneo cells and primary trophoblast cells, while opposite trends were observed in response to oe-HDAC2. In conclusion, miR-495 knockdown can suppress p53/PUMA axis by targeting HDAC2 to enhance biological behaviors of trophoblast cells, which may prevent occurrence of PE.
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13
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Zhang L, Zhang L, Guo F. MiRNA-494-3p Regulates Bupivacaine-Induced Neurotoxicity by the CDK6-PI3K/AKT Signaling. Neurotox Res 2021; 39:2007-2017. [PMID: 34652691 DOI: 10.1007/s12640-021-00427-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 12/28/2022]
Abstract
Bupivacaine (BUP) is a long-acting amide local anesthetic that may induce strong neurotoxicity and neurological complications. In this study, we elucidate the influence of microRNA-494-3p (miR-494-3p) in BUP-induced neurotoxicity in primary mouse hippocampal neuronal cells. In this study, primary hippocampal neurons were isolated from neonatal C57BL/6 mice. The isolated neurons were treated with various doses of BUP. MTT assay was conducted to analyze neuronal viability. Gene expression measurement was done by RT-qPCR. The impact of miR-494-3p in BUP-mediated neural injury was examined using TUNEL, flow cytometry, western blotting, and ROS activity detection. The regulatory relationship between miR-494-3p and cyclin-dependent kinases 4 and 6 (CDK6) was identified using a luciferase reporter assay. BUP treatment led to neurotoxicity and miR-494-3p upregulation in primary cultured hippocampal neurons. Functionally, miR-494-3p depletion alleviated neuronal apoptosis and oxidative damage induced by BUP. We verified that miR-494-3p targeted and negatively modulated CDK6. MiR-494-3p depletion also activated PI3K/AKT signaling by elevating CDK6 expression in BUP-treated neurons. Furthermore, CDK6 knockdown or PI3K/AKT inactivation attenuated the neuroprotective role of miR-494-3p depletion. Silencing miR-494-3p exerts neuroprotective function in hippocampal neuronal cells against BUP-induced injury by the CDK6-PI3K/AKT pathway.
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Affiliation(s)
- Licheng Zhang
- Deparment of Anesthesia Resuscitation Room, Zhongshan Hospital Xiamen University, Xiamen, Fujian, 361004, China
| | - Lifeng Zhang
- Deparment of Surgical Anesthesiology, Zhongshan Hospital Xiamen University, Xiamen, Fujian, 361004, China
| | - Fengying Guo
- Department of Tumor Radiotherapy, Zhongshan Hospital Xiamen University, Siming District, 1854 Xinjing Garden, Luling Road, Xiamen, 361004, Fujian, China.
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14
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Zhang S, Zhan L, Li X, Yang Z, Luo Y, Zhao H. Preclinical and clinical progress for HDAC as a putative target for epigenetic remodeling and functionality of immune cells. Int J Biol Sci 2021; 17:3381-3400. [PMID: 34512154 PMCID: PMC8416716 DOI: 10.7150/ijbs.62001] [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: 04/24/2021] [Accepted: 07/26/2021] [Indexed: 11/17/2022] Open
Abstract
Genetic changes are difficult to reverse; thus, epigenetic aberrations, including changes in DNA methylation, histone modifications, and noncoding RNAs, with potential reversibility, have attracted attention as pharmaceutical targets. The current paradigm is that histone deacetylases (HDACs) regulate gene expression via deacetylation of histone and nonhistone proteins or by forming corepressor complexes with transcription factors. The emergence of epigenetic tools related to HDACs can be used as diagnostic and therapeutic markers. HDAC inhibitors that block specific or a series of HDACs have proven to be a powerful therapeutic treatment for immune-related diseases. Here, we summarize the various roles of HDACs and HDAC inhibitors in the development and function of innate and adaptive immune cells and their implications for various diseases and therapies.
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Affiliation(s)
- Sijia Zhang
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Lingjun Zhan
- Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences, Beijing, China
| | - Xue Li
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Zhenhong Yang
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center and National Clinical Research Center for Geriatric Disorders, Beijing, China.,Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
| | - Haiping Zhao
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center and National Clinical Research Center for Geriatric Disorders, Beijing, China
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15
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Yang Z, Yan L, Cao H, Gu Y, Zhou P, Shi M, Li G, Jiao X, Li N, Li X, Sun K, Shao F. Erythropoietin Protects against Diffuse Alveolar Hemorrhage in Mice by Regulating Macrophage Polarization through the EPOR/JAK2/STAT3 Axis. THE JOURNAL OF IMMUNOLOGY 2021; 206:1752-1764. [PMID: 33811103 DOI: 10.4049/jimmunol.1901312] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 02/08/2021] [Indexed: 11/19/2022]
Abstract
Macrophages play an important role in the pathogenesis of systemic lupus erythematosus-associated diffuse alveolar hemorrhage (DAH). The immunomodulation of macrophage responses might be a potential approach for the prevention and treatment of DAH. Erythropoietin (EPO) could regulate macrophage bioactivities by binding to the EPO receptor expressing on macrophages. This study assessed the effects of EPO on DAH protection using an immune-mediated DAH murine model with macrophages as the major contributor. A DAH murine model was established in female C57BL/6 mice by an i.p. injection of pristane. We found that EPO administration alleviates DAH by reducing pulmonary macrophages recruitment and promoting phenotype switch toward M2 macrophages in vivo. EPO drove macrophages to the anti-inflammatory phenotype in the primary murine bone marrow-derived macrophages and macrophages cell line RAW 264.7 with LPS, IFN-γ, and IL-4 in vitro. Moreover, EPO treatment increases the expression of EPOR and decreases the expression of miR-494-3p, resulting in increased phosphorylation of JAK2 and STAT3. In conclusion, EPO can be a potential therapeutic agent in DAH by reducing cell apoptosis and regulating macrophage polarization through the EPOR/JAK2/STAT3 axis. Further studies are also needed to validate the direct target of miR-494-3p in regulating JAK2/STAT3 signaling transduction.
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Affiliation(s)
- Zhongnan Yang
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China.,Department of Urology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Lei Yan
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Huixia Cao
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Yue Gu
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Pan Zhou
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China; and
| | - Mingyue Shi
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China; and
| | - Guodong Li
- School of Life Sciences, Zhengzhou University, Zhengzhou, China
| | - Xiaojing Jiao
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Na Li
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Xiangnan Li
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China
| | - Kai Sun
- Department of Hematology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China; and
| | - Fengmin Shao
- Department of Nephrology, Henan Provincial Key Laboratory of Kidney Disease and Immunology, Zhengzhou University People's Hospital and Henan Provincial People's Hospital, Zhengzhou, China;
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Lu P, Zhang L, Liu T, Fan JJ, Luo X, Zhu YT. MiR-494-mediated Effects on the NF-κB Signaling Pathway Regulate Lipopolysaccharide-Induced Acute Kidney Injury in Mice. Immunol Invest 2021; 51:1372-1384. [PMID: 34238104 DOI: 10.1080/08820139.2021.1944184] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To explore the effects of miR-494 inhibition through the NF-κB signaling pathway on lipopolysaccharide (LPS)-induced acute kidney injury (AKI) mouse model. METHODS The AKI mice induced by LPS were treated with miR-494 antagomir, and the kidney parameters and indicators of oxidative stress were detected. HE and TUNEL staining were performed to observe the kidney histopathology and the apoptosis in renal tubular epithelial cells (RTECs), respectively. The ROS level was measured using dihydroethidium (DHE) staining. In addition, qRT-PCR, western blotting, immunohistochemistry (IHC), and ELISA were also used to detect gene or protein expression. RESULTS LPS-induced AKI mice injected with the miR-494 antagomir showed reduced blood urea nitrogen (BUN) and serum creatinine (Cr) with improved kidney histopathology. The expression levels of p-IKKα/β, p-IκBα and p65 NF-κB in the nucleus were increased in kidney tissues from the LPS-induced AKI mice, and they were decreased by the miR-494 antagomir. Moreover, the results of IHC showed that the miR-494 antagomir downregulated p65 NF-κB in kidney tissues from the LPS-induced AKI mice, accompanied by decreased levels of TNF-α, IL-1β, IL-6, MDA, NO, and ROS but increased levels of SOD and GSH. In addition, the LPS-induced AKI mice had increased apoptosis in RTECs, as well as increased Caspase-3 and Bax and decreased Bcl-2, which were reversed by the miR-494 antagomir. CONCLUSIONS The inhibition of miR-494 could reduce inflammatory responses and improve oxidative stress in kidney tissues from LPS-induced AKI mice by blocking the NF-κB pathway accompanying by reduced apoptosis in RTECs.
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Affiliation(s)
- Peng Lu
- Department of Clinical Laboratory, Cangzhou Central Hospital, Cangzhou, China
| | - Lei Zhang
- Department of Clinical Laboratory, Cangzhou Central Hospital, Cangzhou, China
| | - Ting Liu
- Department of Clinical Laboratory, The 252nd Hospital of PLA, Baoding, China
| | - Jing-Jing Fan
- Department of Emergency ICU, Cangzhou Central Hospital, Cangzhou, China
| | - Xu Luo
- Department of Pharmacy, Cangzhou Central Hospital, Cangzhou, China
| | - Yi-Tang Zhu
- Department of Clinical Laboratory, Cangzhou Central Hospital, Cangzhou, China
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17
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Xu X, Gao W, Li L, Hao J, Yang B, Wang T, Li L, Bai X, Li F, Ren H, Zhang M, Zhang L, Wang J, Wang D, Zhang J, Jiao L. Annexin A1 protects against cerebral ischemia-reperfusion injury by modulating microglia/macrophage polarization via FPR2/ALX-dependent AMPK-mTOR pathway. J Neuroinflammation 2021; 18:119. [PMID: 34022892 PMCID: PMC8140477 DOI: 10.1186/s12974-021-02174-3] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 05/12/2021] [Indexed: 02/07/2023] Open
Abstract
Background Cerebral ischemia–reperfusion (I/R) injury is a major cause of early complications and unfavorable outcomes after endovascular thrombectomy (EVT) therapy in patients with acute ischemic stroke (AIS). Recent studies indicate that modulating microglia/macrophage polarization and subsequent inflammatory response may be a potential adjunct therapy to recanalization. Annexin A1 (ANXA1) exerts potent anti-inflammatory and pro-resolving properties in models of cerebral I/R injury. However, whether ANXA1 modulates post-I/R-induced microglia/macrophage polarization has not yet been fully elucidated. Methods We retrospectively collected blood samples from AIS patients who underwent successful recanalization by EVT and analyzed ANXA1 levels longitudinally before and after EVT and correlation between ANXA1 levels and 3-month clinical outcomes. We also established a C57BL/6J mouse model of transient middle cerebral artery occlusion/reperfusion (tMCAO/R) and an in vitro model of oxygen–glucose deprivation and reoxygenation (OGD/R) in BV2 microglia and HT22 neurons to explore the role of Ac2-26, a pharmacophore N-terminal peptide of ANXA1, in regulating the I/R-induced microglia/macrophage activation and polarization. Results The baseline levels of ANXA1 pre-EVT were significantly lower in 23 AIS patients, as compared with those of healthy controls. They were significantly increased to the levels found in controls 2–3 days post-EVT. The increased post-EVT levels of ANXA1 were positively correlated with 3-month clinical outcomes. In the mouse model, we then found that Ac2-26 administered at the start of reperfusion shifted microglia/macrophage polarization toward anti-inflammatory M2-phenotype in ischemic penumbra, thus alleviating blood–brain barrier leakage and neuronal apoptosis and improving outcomes at 3 days post-tMCAO/R. The protection was abrogated when mice received Ac2-26 together with WRW4, which is a specific antagonist of formyl peptide receptor type 2/lipoxin A4 receptor (FPR2/ALX). Furthermore, the interaction between Ac2-26 and FPR2/ALX receptor activated the 5’ adenosine monophosphate-activated protein kinase (AMPK) and inhibited the downstream mammalian target of rapamycin (mTOR). These in vivo findings were validated through in vitro experiments. Conclusions Ac2-26 modulates microglial/macrophage polarization and alleviates subsequent cerebral inflammation by regulating the FPR2/ALX-dependent AMPK-mTOR pathway. It may be investigated as an adjunct strategy for clinical prevention and treatment of cerebral I/R injury after recanalization. Plasma ANXA1 may be a potential biomarker for outcomes of AIS patients receiving EVT. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02174-3.
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Affiliation(s)
- Xin Xu
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China. .,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China.
| | - Weiwei Gao
- Department of Neurology, Tianjin Huanhu Hospital, 6 Jizhao Road, Tianjin, 300350, China.
| | - Lei Li
- Department of Neurosurgery & Neurology, Tianjin Medical University General Hospital, 154 Anshan Road, Tianjin, 300052, China
| | - Jiheng Hao
- Department of Neurosurgery, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, 252000, China
| | - Bin Yang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China.,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China
| | - Tao Wang
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China.,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China
| | - Long Li
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China.,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China
| | - Xuesong Bai
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China.,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China
| | - Fanjian Li
- Department of Neurosurgery & Neurology, Tianjin Medical University General Hospital, 154 Anshan Road, Tianjin, 300052, China
| | - Honglei Ren
- Department of Neurosurgery & Neurology, Tianjin Medical University General Hospital, 154 Anshan Road, Tianjin, 300052, China
| | - Meng Zhang
- Department of Neurosurgery, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, 252000, China
| | - Liyong Zhang
- Department of Neurosurgery, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, 252000, China
| | - Jiyue Wang
- Department of Neurosurgery, Liaocheng People's Hospital, 67 Dongchang West Road, Liaocheng, 252000, China
| | - Dong Wang
- Department of Neurosurgery & Neurology, Tianjin Medical University General Hospital, 154 Anshan Road, Tianjin, 300052, China
| | - Jianning Zhang
- Department of Neurosurgery & Neurology, Tianjin Medical University General Hospital, 154 Anshan Road, Tianjin, 300052, China
| | - Liqun Jiao
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China. .,China International Neuroscience Institute (China-INI), 45 Changchun Street, Beijing, 100053, China. .,Department of Interventional Neuroradiology, Xuanwu Hospital, Capital Medical University, 45 Changchun Street, Beijing, 100053, China.
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18
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Wang R, Zhang S, Yang Z, Zheng Y, Yan F, Tao Z, Fan J, Zhao H, Han Z, Luo Y. Mutant erythropoietin enhances white matter repair via the JAK2/STAT3 and C/EBPβ pathway in middle-aged mice following cerebral ischemia and reperfusion. Exp Neurol 2021; 337:113553. [PMID: 33309747 DOI: 10.1016/j.expneurol.2020.113553] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 11/06/2020] [Accepted: 12/07/2020] [Indexed: 01/20/2023]
Abstract
Previous studies have indicated that EPO maintains the M2 microglia phenotype that contributes to white matter repair after ischemic stroke in young mice (2 months old). However, the underlying mechanisms that regulate microglial polarization are poorly defined. This study investigated the neuroprotective effects of nonerythropoietic mutant EPO (MEPO) on white matter and the underlying mechanism in middle-aged (9-month-old) male mice following cerebral ischemia. Middle-aged male C57 BL/6 mice were treated with MEPO (5000 IU/kg) or vehicle after middle cerebral artery occlusion (MCAO) and reperfusion. The specific inhibitor AG490 was used to block the JAK2/STAT3 pathway. Neurological function was assessed by beam walking and adhesive removal tests. Immunofluorescence staining and western blotting were used to assess the severity of white matter injury, phenotypic changes in the microglia and the expression of the signaling molecules. MEPO significantly improved neurobehavioral outcomes, alleviated brain tissue loss, and ameliorated white matter injury after MCAO compared with the vehicle group. Moreover, MEPO promoted oligodendrogenesis by shifting microglia toward M2 polarization by promoting JAK2/STAT3 activation and inhibiting the expression of C/EBPβ at 14 days after cerebral ischemia-reperfusion. However, the MEPO's effect on microglial M2 polarization and oligodendrogenesis was largely suppressed by AG490 treatment. Collectively, these data indicate that MEPO treatment improves white matter integrity after cerebral ischemia, which may be partly explained by MEPO facilitating microglia toward the beneficial M2 phenotype to promote oligodendrogenesis via JAK2/STAT3 and the C/EBPβ signaling pathway. This study provides novel insight into MEPO treatment for ischemic stroke.
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Affiliation(s)
- Rongliang Wang
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Sijia Zhang
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Zhenhong Yang
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Yangmin Zheng
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Feng Yan
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Zhen Tao
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Junfen Fan
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Haiping Zhao
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China
| | - Ziping Han
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China.
| | - Yumin Luo
- Institute of Cerebrovascular Diseases Research and Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing 100053, China; Center of Stroke, Beijing Institute for Brain Disorders, Beijing 100053, China; Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing 100053, China.
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19
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Fan Y, Dong Z, Zhou G, Fu J, Zhan L, Gao M, Zhu L, Zhang Y. Elevated miR-23a impairs trophoblast migration and invasiveness through HDAC2 inhibition and NF-κB activation. Life Sci 2020; 261:118358. [PMID: 32866518 DOI: 10.1016/j.lfs.2020.118358] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 08/23/2020] [Accepted: 08/25/2020] [Indexed: 02/07/2023]
Abstract
Preeclampsia (PE) is a pregnancy-specific disorder characterized by the onset of hypertension and proteinuria with onset after the 20th week of gestation. The pathogenesis of PE is attributed to increased trophoblast cell death and poor trophoblast migration/invasiveness. This study investigates the function of microRNA-23a (miR-23a) in PE and its effects on migration and invasion of trophoblast cells HTR-8/SVneo. We found higher expression of miR-23a in placental tissue samples from PE pregnant women compared to samples from normal pregnant women. Enhancing miR-23a expression by its specific mimic reduced HTR-8/SVneo cell migration and invasion and increased HTR-8/SVneo cell apoptosis. The dual-luciferase reporter gene assay revealed miR-23a binding with HDAC2. We found that HDAC2 was poorly expressed in placental tissue samples from PE pregnant women, and its expression correlated inversely with miR-23a expression. HTR-8/SVneo cells showed diminished HDAC2 expression upon miR-23a elevation and increased HDAC2 expression upon miR-23a inhibition. Lentivirus-mediated HDAC2 knockdown mimicked the effects of miR-23a on HTR-8/SVneo cells and led to NF-κB activation. Similarly, HDAC2 overexpression and NF-κB inhibition both abrogated the effects of miR-23a on HTR-8/SVneo cells, suggesting that miR-23a reduced HTR-8/SVneo cell migration and invasion and increased HTR-8/SVneo cell apoptosis by HDAC2 inhibition and NF-κB activation. In summary, these results support a novel role of miR-23b in invasion and apoptosis of trophoblast cells, and imply that targeting miR-23b may be a new avenue for treating PE.
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Affiliation(s)
- Yijun Fan
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China.
| | - Zhen Dong
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Guiju Zhou
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Juanjuan Fu
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Lei Zhan
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Ming Gao
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Lin Zhu
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China
| | - Yu Zhang
- Department of Obstetrics and Gynecology, The Second Hospital of Anhui Medical University, Hefei 230601, PR China.
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20
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Zhao H, Li F, Huang Y, Zhang S, Li L, Yang Z, Wang R, Tao Z, Han Z, Fan J, Zheng Y, Ma Q, Luo Y. Prognostic significance of plasma IL-2 and sIL-2Rα in patients with first-ever ischaemic stroke. J Neuroinflammation 2020; 17:237. [PMID: 32795376 PMCID: PMC7427726 DOI: 10.1186/s12974-020-01920-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 08/05/2020] [Indexed: 11/30/2022] Open
Abstract
Background An imbalance between circulating neuroprotective and neurotoxic T cell subsets leads to poor prognosis in acute ischaemic stroke (AIS). Preclinical studies have indicated that the soluble form of the interleukin-2 receptor α (sIL-2Rα)-IL-2 complex regulates T cell differentiation. However, the association between sIL-2Rα levels and AIS remains unclear. Methods A total of 201 first-ever AIS patients within 24 h after stroke onset and 76 control subjects were recruited. The National Institutes of Health Stroke Scale (NIHSS) score and 3-month functional outcome (modified Rankin Scale [mRS] score) at admission were assessed. Plasma sIL-2Rα and IL-2 levels at admission were measured. Prognostic significance was identified by using univariate and multivariate logistic regression analyses. Results Patients with poor functional outcomes at 3 months had significantly higher levels of sIL-2Rα and lower levels of IL-2 than patients with good outcomes. Moreover, sIL-2Rα levels showed a strong positive correlation with NIHSS and mRS scores (p < 0.0001), whereas IL-2 levels were negatively correlated with mRS scores (p < 0.01). Univariate analyses showed that higher sIL-2Rα and IL-2 levels were associated with an increased and reduced risk of unfavourable outcomes, respectively. After adjusting for confounding variables, the sIL-2Rα level remained independently associated with an increased risk of an unfavourable outcome, and adding sIL-2Rα levels to the conventional risk factor model significantly improved risk reclassification (net reclassification improvement 17.56%, p = 0.003; integrated discrimination improvement 5.78%, p = 0.0003). Conclusions sIL-2Rα levels represent a novel, independent prognostic marker that can improve the currently used risk stratification of AIS patients. Our findings also highlight that elevated plasma sIL-2Rα and IL-2 levels manifested opposite correlations with functional outcome, underlining the importance of IL-2/IL-2R autocrine loops in AIS.
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Affiliation(s)
- Haiping Zhao
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Fangfang Li
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Yuyou Huang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Sijia Zhang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Lingzhi Li
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Zhenhong Yang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Rongliang Wang
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Zhen Tao
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Ziping Han
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Junfen Fan
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Yangmin Zheng
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China.,Beijing Institute for Brain Disorders, Beijing, China
| | - Qingfeng Ma
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China. .,Beijing Institute for Brain Disorders, Beijing, China.
| | - Yumin Luo
- Cerebrovascular Diseases Research Institute and Department of Neurology, Xuanwu Hospital of Capital Medical University, 45 Changchun Street, Beijing, China. .,National Clinical Research Center for Geriatric Disorders, Beijing, China. .,Beijing Institute for Brain Disorders, Beijing, China.
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21
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Li F, Zhao H, Li G, Zhang S, Wang R, Tao Z, Zheng Y, Han Z, Liu P, Ma Q, Luo Y. Intravenous antagomiR-494 lessens brain-infiltrating neutrophils by increasing HDAC2-mediated repression of multiple MMPs in experimental stroke. FASEB J 2020; 34:6934-6949. [PMID: 32239566 DOI: 10.1096/fj.201903127r] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/05/2020] [Accepted: 03/17/2020] [Indexed: 12/11/2022]
Abstract
Neutrophil infiltration and phenotypic transformation are believed to contribute to neuronal damage in ischemic stroke. Emerging evidence suggests that histone deacetylase 2 (HDAC2) is an epigenetic regulator of inflammatory cells. Here, we aimed to investigate whether microRNA-494 (miR-494) affects HDAC2-mediated neutrophil infiltration and phenotypic shift. MiR-494 levels in neutrophils from acute ischemic stroke (AIS) patients were detected by real-time PCR. Chromatin Immunoprecipitation (ChIP)-Seq was performed to clarify which genes are the binding targets of HDAC2. Endothelial cells and cortical neurons were subjected to oxygen-glucose deprivation (OGD), transwell assay was conducted to examine neutrophil migration through endothelial cells, and neuronal injury was examined after stimulating with supernatant from antagomiR-494-treated neutrophils. C57BL/6J mice were subjected to transient middle cerebral artery occlusion (MCAO) and antagomiR-494 was injected through tail vein immediately after reperfusion, and neutrophil infiltration and phenotypic shift was examined. We found that the expression of miR-494 in neutrophils was significantly increased in AIS patients. HDAC2 targeted multiple matrix metalloproteinases (MMPs) and Fc-gamma receptor III (CD16) genes in neutrophils of AIS patients. Furthermore, antagomiR-494 repressed expression of multiple MMPs genes, including MMP7, MMP10, MMP13, and MMP16, which reduced the number of brain-infiltrating neutrophils by regulating HDAC2. AntagomiR-494 could also exert its neuroprotective role through inhibiting the shift of neutrophils toward pro-inflammatory N1 phenotype in vivo and in vitro. Taken together, miR-494 may serve as an alternative predictive biomarker of the outcome of AIS patients, and antagomiR-494 treatment decreases the expression of multiple MMPs and the infiltration of neutrophils and inhibits the shift of neutrophils into N1 phenotype partly by targeting HDAC2.
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Affiliation(s)
- Fangfang Li
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Haiping Zhao
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Guangwen Li
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Sijia Zhang
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Rongliang Wang
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Zhen Tao
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Yangmin Zheng
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Ziping Han
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China
| | - Ping Liu
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Qingfeng Ma
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research, Xuanwu Hospital of Capital Medical University, Beijing, China.,Department of Neurology, Xuanwu Hospital of Capital Medical University, Beijing, China.,Beijing Geriatric Medical Research Center, Beijing, China.,Beijing Key Laboratory of Translational Medicine for Cerebrovascular Diseases, Beijing, China.,Beijing Institute for Brain Disorders, Capital Medical University, Beijing, China
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22
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Cao H, Baranova A, Yue W, Yu H, Zhu Z, Zhang F, Liu D. miRNA-Coordinated Schizophrenia Risk Network Cross-Talk With Cardiovascular Repair and Opposed Gliomagenesis. Front Genet 2020; 11:149. [PMID: 32194626 PMCID: PMC7064629 DOI: 10.3389/fgene.2020.00149] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Accepted: 02/10/2020] [Indexed: 12/17/2022] Open
Abstract
Background Schizophrenia risk genes are widely investigated, but a systemic analysis of miRNAs contributing to schizophrenia is lacking. Methods Schizophrenia-associated genetic loci profiles were derived from a genome-wide association study (GWAS) from the Schizophrenia Working Group of the Psychiatric Genomics Consortium (PGC) dataset. Experimentally confirmed relationships between miRNAs and their target genes were retrieved from a miRTarBase. A competitive gene set association analysis for miRNA-target regulations was conducted by the Multi-marker Analysis of GenoMic Annotation (MAGMA) and further validated by literature-based functional pathway analysis using Pathway Studio. The association between the targets of three miRNAs and schizophrenia was further validated using a GWAS of antipsychotic treatment responses. Results Three novel schizophrenia-risk miRNAs, namely, miR-208b-3p, miR-208a-3p, and miR-494-5p, and their targetomes converged on calcium voltage-gated channel subunit alpha1 C (CACNA1C) and B-cell lymphoma 2 (BCL2), and these are well-known contributors to schizophrenia. Both miR-208a-3p and miR-208b-3p reduced the expression of the RNA-binding protein Quaking (QKI), whose suppression commonly contributes to demyelination of the neurons and to ischemia/reperfusion injury. On the other hand, both QKI and hsa-miR-494-5p were involved in gliomagenesis. Conclusion Presented results point at an orchestrating role of miRNAs in the pathophysiology of schizophrenia. The sharing of regulatory networks between schizophrenia and other pathologies may explain higher cardiovascular mortality and lower odds of glioma previously reported in psychiatric patients.
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Affiliation(s)
- Hongbao Cao
- Department of Psychiatry, First Hospital/First Clinical Medical College of Shanxi Medical University, Taiyuan, China.,Department of Genomics Research, R&D Solutions, Elsevier Inc., Rockville, MD, United States.,School of Systems Biology, George Mason University (GMU), Fairfax, VA, United States
| | - Ancha Baranova
- School of Systems Biology, George Mason University (GMU), Fairfax, VA, United States.,Research Center for Medical Genetics, Moscow, Russia
| | - Weihua Yue
- Department of Psychiatry Institute of Mental Health, Peking University, Bejing, China
| | - Hao Yu
- Department of Psychiatry, Jining Medical University, Jining, China
| | - Zufu Zhu
- Department of Neurology, Jiangyin People's Hospital Affiliated to Southeast University, Jiangyin, China
| | - Fuquan Zhang
- Department of Psychiatry, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, China
| | - Dongbai Liu
- Department of Neurology, Jiangyin People's Hospital Affiliated to Southeast University, Jiangyin, China
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23
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Zhao H, Li G, Wang R, Tao Z, Ma Q, Zhang S, Han Z, Yan F, Li F, Liu P, Ma S, Ji X, Luo Y. Silencing of microRNA-494 inhibits the neurotoxic Th1 shift via regulating HDAC2-STAT4 cascade in ischaemic stroke. Br J Pharmacol 2020; 177:128-144. [PMID: 31465536 PMCID: PMC6976789 DOI: 10.1111/bph.14852] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2019] [Revised: 08/19/2019] [Accepted: 08/22/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE T helper cell 1 (Th1)-skewed neurotoxicity contributes to the poor outcome of stroke in rodents. Here, we have elucidated the mechanism of the Th1/Th2 shift in acute ischaemic stroke (AIS) patients at hyperacute phase and have looked for a miRNA-based therapeutic target. EXPERIMENTAL APPROACH MiR-494 levels in blood from AIS patients and controls were measured by real-time PCR. C57BL/6J mice were subjected to transient middle cerebral artery occlusion, and cortical neurons were subjected to oxygen-glucose deprivation. Luciferase reporter system, chromatin immunoprecipitation sequencing (ChIP-Seq), and ChIP-PCR were used to uncover possible mechanisms. KEY RESULTS In lymphocytes from AIS patients, there was a Th1/Th2 shift and histone deacetylase 2 (HDAC2) was markedly down-regulated. ChIP-seq showed that HDAC2 binding sites were enriched in regulation of Th1 cytokine production, and ChIP-PCR confirmed that HDAC2 binding was changed at the intron of STAT4 and the promoter of T-box transcription factor 21 (T-bet) in lymphocytes from AIS patients. MiR-494 was the most significantly increased miRNA in lymphocytes from AIS patients, and miR-494-3p directly targeted HDAC2. A strong association existed between miR-494 and Th1 cytokines, and neurological deficit as measured by the National Institute of Health Stroke Scale (NIHSS) in AIS patients. In vitro and in vivo experiments showed that antagomir-494 reduced Th1 shift-mediated neuronal and sensorimotor functional damage in the mouse model of ischaemic stroke, via the HDAC2-STAT4 pathway. CONCLUSION AND IMPLICATIONS We demonstrated that miR-494 inhibition prevented Th1-skewed neurotoxicity through regulation of the HDAC2-STAT4 cascade.
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Affiliation(s)
- Haiping Zhao
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Guangwen Li
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Rongliang Wang
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Zhen Tao
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Qingfeng Ma
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Sijia Zhang
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Ziping Han
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Feng Yan
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
| | - Fangfang Li
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Ping Liu
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Shubei Ma
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Xunming Ji
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
| | - Yumin Luo
- Institute of Cerebrovascular Disease Research and Department of NeurologyXuanwu Hospital of Capital Medical UniversityBeijingChina
- Beijing Geriatric Medical Research Center and Beijing Key Laboratory of Translational Medicine for Cerebrovascular DiseasesBeijingChina
- Beijing Institute for Brain DisordersCapital Medical UniversityBeijingChina
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