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Tan Y, Qiao J, Yang S, Liu H, Wang Q, Liu Q, Feng W, Cui L. H3K4me3-Mediated FOXJ2/SLAMF8 Axis Aggravates Thrombosis and Inflammation in β2GPI/Anti-β2GPI-Treated Monocytes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2309140. [PMID: 38639399 PMCID: PMC11199983 DOI: 10.1002/advs.202309140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 03/31/2024] [Indexed: 04/20/2024]
Abstract
Antiphospholipid syndrome (APS) is characterized by thrombus formation, poor pregnancy outcomes, and a proinflammatory response. H3K4me3-related monocytes activation are key regulators of APS pathogenesis. Therefore, H3K4me3 CUT&Tag and ATAC-seq are performed to examine the epigenetic profiles. The results indicate that the H3K4me3 signal and chromatin accessibility at the FOXJ2 promoter are enhanced in an in vitro monocyte model by stimulation with β2GPI/anti-β2GPI, which mimics APS, and decreases after OICR-9429 administration. Furthermore, FOXJ2 is highly expressed in patients with primary APS (PAPS) and is the highest in patients with triple-positive antiphospholipid antibodies (aPLs). Mechanistically, FOXJ2 directly binds to the SLAMF8 promoter and activates SLAMF8 transcription. SLAMF8 further interacts with TREM1 to stimulate TLR4/NF-κB signaling and prohibit autophagy. Knockdown of FOXJ2, SLAMF8, or TREM1 blocks TLR4/NF-κB and provokes autophagy, subsequently inhibiting the release of inflammatory and thrombotic indicators. A mouse model of vascular APS is established via β2GPI intraperitoneal injection, and the results suggest that OICR-9429 administration attenuates the inflammatory response and thrombus formation by inactivating FOXJ2/SLAMF8/TREM1 signaling. These findings highlight the overexpression of H3K4me3-mediated FOXJ2 in APS, which consequently accelerates APS pathogenesis by triggering inflammation and thrombosis via boosting the SLAMF8/TREM1 axis. Therefore, OICR-9429 is a promising candidate drug for APS therapy.
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Affiliation(s)
- Yuan Tan
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Jiao Qiao
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Shuo Yang
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Hongchao Liu
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Qingchen Wang
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Qi Liu
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Weimin Feng
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
| | - Liyan Cui
- Institute of Medical TechnologyPeking University Health Science CenterBeijing100191China
- Department of Laboratory MedicinePeking University Third HospitalBeijing100191China
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijing100191China
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Feng D, Zhao H, Wang Q, Wu J, Ouyang L, Jia S, Lu Q, Zhao M. Aberrant H3K4me3 modification of immune response genes in CD4 + T cells of patients with systemic lupus erythematosus. Int Immunopharmacol 2024; 130:111748. [PMID: 38432146 DOI: 10.1016/j.intimp.2024.111748] [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: 08/22/2023] [Revised: 01/17/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Increasing evidence has highlighted the significant role of histone modifications in pathogenesis of systemic lupus erythematosus (SLE). However, few studies have comprehensively analyzed trimethylation of histone H3 lysine 4 (H3K4me3) features at specific immune gene loci in SLE patients. METHODS We conducted H3K4me3 chromatin immunoprecipitation sequencing (ChIP-seq) on CD4+ T cells from SLE patients and healthy controls (HC). Differential H3K4me3 peaks were identified, followed by enrichment analysis. We integrated online RNA-seq and DNA methylation datasets to explore the relationship between H3K4me3 modification, DNA methylation and gene expression. We validated several upregulated peak regions by ChIP-qPCR and confirmed their impact on gene expression using RT-qPCR. Finally, we investigated the impact of H3K4 methyltransferases KMT2A on the expression of immune response genes. RESULTS we identified 147 downregulated and 2701 upregulated H3K4me3 peaks in CD4+ T cells of SLE. The upregulated peaks primarily classified as gained peaks and enriched in immune response genes such as FCGR2A, C5AR1, SERPING1 and OASL. Genes with upregulated H3K4me3 and downregulated DNA methylations in the promoter were highly expressed in SLE patients. These genes, including OAS1, IFI27 and IFI44L, were enriched in immune response pathways. The IFI44L locus also showed increased H3K27ac modification, chromatin accessibility and chromatin interactions in SLE. Moreover, knockdown of KMT2A can downregulate the expression of immune response genes in T cells. CONCLUSION Our study uncovers dysregulated H3K4me3 modification patterns in immune response genes loci, which also exhibit downregulated DNA methylation and higher mRNA expression in CD4+ T cells of SLE patients.
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Affiliation(s)
- Delong Feng
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Hongjun Zhao
- Department of Rheumatology, Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Qian Wang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Jiali Wu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Lianlian Ouyang
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Sujie Jia
- Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China
| | - Qianjin Lu
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, Jiangsu, China
| | - Ming Zhao
- Department of Dermatology, Hunan Key Laboratory of Medical Epigenomics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China; Institute of Dermatology, Chinese Academy of Medical Sciences and Peking Union Medical College, Nanjing, Jiangsu, China; Key Laboratory of Basic and Translational Research on Immune-Mediated Skin Diseases, Institute of Dermatology, Chinese Academy of Medical Sciences, Nanjing, Jiangsu, China.
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Tan Y, Qiao J, Yang S, Wang Q, Liu H, Liu Q, Feng W, Yang B, Li Z, Cui L. ARID5B-mediated LINC01128 epigenetically activated pyroptosis and apoptosis by promoting the formation of the BTF3/STAT3 complex in β2GPI/anti-β2GPI-treated monocytes. Clin Transl Med 2024; 14:e1539. [PMID: 38224186 PMCID: PMC10788880 DOI: 10.1002/ctm2.1539] [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: 09/17/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/16/2024] Open
Abstract
BACKGROUND Alterations of the trimethylation of histone 3 lysine 4 (H3K4me3) mark in monocytes are implicated in the development of autoimmune diseases. Therefore, the purpose of our study was to elucidate the role of H3K4me3-mediated epigenetics in the pathogenesis of antiphospholipid syndrome (APS). METHODS H3K4me3 Cleavage Under Targets and Tagmentation and Assay for Transposase-Accessible Chromatin were performed to determine the epigenetic profiles. Luciferase reporter assay, RNA immunoprecipitation, RNA pull-down, co-immunoprecipitation and chromatin immunoprecipitation were performed for mechanistic studies. Transmission electron microscopy and propidium iodide staining confirmed cell pyroptosis. Primary monocytes from patients with primary APS (PAPS) and healthy donors were utilised to test the levels of key molecules. A mouse model mimicked APS was constructed with beta2-glycoprotein I (β2GPI) injection. Blood velocity was detected using murine Doppler ultrasound. RESULTS H3K4me3 signal and open chromatin at the ARID5B promoter were increased in an in vitro model of APS. The epigenetic factor ARID5B directly activated LINC01128 transcription at its promoter. LINC01128 promoted the formation of the BTF3/STAT3 complex to enhance STAT3 phosphorylation. Activated STAT3 interacted with the NLRP3 promoter and subsequently stimulated pyroptosis and apoptosis. ARID5B or BTF3 depletion compensated for LINC01128-induced pyroptosis and apoptosis by inhibiting STAT3 phosphorylation. In mice with APS, β2GPI exposure elevated the levels of key proteins of pyroptosis and apoptosis pathways in bone marrow-derived monocytes, reduced the blood velocity of the ascending aorta, increased the thrombus size of the carotid artery, and promoted the release of interleukin (IL)-18, IL-1β and tissue factor. Patients with PAPS had the high-expressed ARID5B and LINC01128, especially those with triple positivity for antiphospholipid antibodies. Moreover, there was a positive correlation between ARID5B and LINC01128 expression. CONCLUSION This study indicated that ARID5B/LINC01128 was synergistically upregulated in APS, and they aggravated disease pathogenesis by enhancing the formation of the BTF3/STAT3 complex and boosting p-STAT3-mediated pyroptosis and apoptosis, thereby providing candidate therapeutic targets for APS. HIGHLIGHTS The H3K4me3 mark and chromatin accessibility at the ARID5B promoter are increased in vitro model mimicked APS. ARID5B-mediated LINC01128 induces pyroptosis and apoptosis via p-STAT3 by binding to BTF3. ARID5B is high- expressed in patients with primary APS and positively correlated with LINC01128 expression. OICR-9429 treatment mitigates pyroptosis and related inflammation in vivo and in vitro models mimicked APS.
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Affiliation(s)
- Yuan Tan
- Institute of Medical TechnologyPeking University Health Science CenterBeijingChina
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Jiao Qiao
- Institute of Medical TechnologyPeking University Health Science CenterBeijingChina
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Shuo Yang
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Qingchen Wang
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Hongchao Liu
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Qi Liu
- Institute of Medical TechnologyPeking University Health Science CenterBeijingChina
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Weimin Feng
- Institute of Medical TechnologyPeking University Health Science CenterBeijingChina
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Boxin Yang
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Zhongxin Li
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
| | - Liyan Cui
- Institute of Medical TechnologyPeking University Health Science CenterBeijingChina
- Department of Laboratory MedicinePeking University Third HospitalBeijingChina
- Core Unit of National Clinical Research Center for Laboratory MedicinePeking University Third HospitalBeijingChina
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Zhou HY, Luo Q, Sui H, Du XN, Zhao YJ, Liu L, Guan Q, Zhou Y, Wen QS, Shi Y, Sun Y, Lin HL, Wang DP. Recent advances in the involvement of epigenetics in the pathogenesis of systemic lupus erythematosus. Clin Immunol 2024; 258:109857. [PMID: 38043757 DOI: 10.1016/j.clim.2023.109857] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 09/27/2023] [Accepted: 11/28/2023] [Indexed: 12/05/2023]
Abstract
Systemic lupus erythematosus (SLE) is a typical systemic autoimmune disease that manifests as skin rash, arthritis, lymphadenopathy, and multiple organ lesions. Epigenetics, including DNA methylation, histone modification, and non-coding RNA regulation, mainly affect the function and characteristics of cells through the regulation of gene transcription or translation. Increasing evidence indicates that there are a variety of complex epigenetic effects in patients with SLE, which interfere with the differentiation and function of T, and B lymphocytes, monocytes, and neutrophils, and enhance the expression of SLE-associated pathogenic genes. This paper summarizes our currently knowledge regarding pathogenesis of SLE, and introduces current advances in the epigenetic regulation of SLE from three aspects: immune function, inflammatory response, and lupus complications. We propose that epigenetic changes could be used as potential biomarkers and therapeutic targets of SLE.
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Affiliation(s)
- Hong-Yan Zhou
- First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qi Luo
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hua Sui
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Xiang-Ning Du
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yang-Jianing Zhao
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Lu Liu
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qing Guan
- Integrated TCM and Western Medicine Collage of Dalian Medical University, Dalian, China
| | - Yue Zhou
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Qing-Si Wen
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yan Shi
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Yu Sun
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong-Li Lin
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China.
| | - Da-Peng Wang
- Nephrology Department of First Affiliated Hospital of Dalian Medical University, Dalian, China.
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5
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Li X, Wu F, Günther S, Looso M, Kuenne C, Zhang T, Wiesnet M, Klatt S, Zukunft S, Fleming I, Poschet G, Wietelmann A, Atzberger A, Potente M, Yuan X, Braun T. Inhibition of fatty acid oxidation enables heart regeneration in adult mice. Nature 2023; 622:619-626. [PMID: 37758950 PMCID: PMC10584682 DOI: 10.1038/s41586-023-06585-5] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 08/30/2023] [Indexed: 09/29/2023]
Abstract
Postnatal maturation of cardiomyocytes is characterized by a metabolic switch from glycolysis to fatty acid oxidation, chromatin reconfiguration and exit from the cell cycle, instating a barrier for adult heart regeneration1,2. Here, to explore whether metabolic reprogramming can overcome this barrier and enable heart regeneration, we abrogate fatty acid oxidation in cardiomyocytes by inactivation of Cpt1b. We find that disablement of fatty acid oxidation in cardiomyocytes improves resistance to hypoxia and stimulates cardiomyocyte proliferation, allowing heart regeneration after ischaemia-reperfusion injury. Metabolic studies reveal profound changes in energy metabolism and accumulation of α-ketoglutarate in Cpt1b-mutant cardiomyocytes, leading to activation of the α-ketoglutarate-dependent lysine demethylase KDM5 (ref. 3). Activated KDM5 demethylates broad H3K4me3 domains in genes that drive cardiomyocyte maturation, lowering their transcription levels and shifting cardiomyocytes into a less mature state, thereby promoting proliferation. We conclude that metabolic maturation shapes the epigenetic landscape of cardiomyocytes, creating a roadblock for further cell divisions. Reversal of this process allows repair of damaged hearts.
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Affiliation(s)
- Xiang Li
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Fan Wu
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Stefan Günther
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Mario Looso
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Carsten Kuenne
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Ting Zhang
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Marion Wiesnet
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Stephan Klatt
- Institute for Vascular Signaling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, Germany
| | - Sven Zukunft
- Institute for Vascular Signaling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, Germany
| | - Ingrid Fleming
- Institute for Vascular Signaling, Centre for Molecular Medicine, Goethe-University, Frankfurt am Main, Germany
| | - Gernot Poschet
- Metabolomics Core Technology Platform, Centre for Organismal Studies (COS), Heidelberg University, Heidelberg, Germany
| | - Astrid Wietelmann
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Ann Atzberger
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
| | - Michael Potente
- Angiogenesis and Metabolism Laboratory, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany
- Max Delbrück Center for Molecular Medicine, Helmholtz Association of German Research Centres, Berlin, Germany
- Berlin Institute of Health, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Xuejun Yuan
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- Instituto de Investigacion en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.
| | - Thomas Braun
- Department of Cardiac Development and Remodeling, Max Planck Institute for Heart and Lung Research, Bad Nauheim, Germany.
- Instituto de Investigacion en Biomedicina de Buenos Aires (IBioBA) - CONICET - Partner Institute of the Max Planck Society, Buenos Aires, Argentina.
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Jeljeli MM, Adamopoulos IE. Innate immune memory in inflammatory arthritis. Nat Rev Rheumatol 2023; 19:627-639. [PMID: 37674048 PMCID: PMC10721491 DOI: 10.1038/s41584-023-01009-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/21/2023] [Indexed: 09/08/2023]
Abstract
The concept of immunological memory was demonstrated in antiquity when protection against re-exposure to pathogens was observed during the plague of Athens. Immunological memory has been linked with the adaptive features of T and B cells; however, in the past decade, evidence has demonstrated that innate immune cells can exhibit memory, a phenomenon called 'innate immune memory' or 'trained immunity'. Innate immune memory is currently being defined and is transforming our understanding of chronic inflammation and autoimmunity. In this Review, we provide an up-to-date overview of the memory-like features of innate immune cells in inflammatory arthritis and the crosstalk between chronic inflammatory milieu and cell reprogramming. Aberrant pro-inflammatory signalling, including cytokines, regulates the metabolic and epigenetic reprogramming of haematopoietic progenitors, leading to exacerbated inflammatory responses and osteoclast differentiation, in turn leading to bone destruction. Moreover, imprinted memory on mature cells including terminally differentiated osteoclasts alters responsiveness to therapies and modifies disease outcomes, commonly manifested by persistent inflammatory flares and relapse following medication withdrawal.
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Affiliation(s)
- Maxime M Jeljeli
- Department of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Iannis E Adamopoulos
- Department of Rheumatology and Clinical Immunology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.
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7
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Xiao C, Fan T, Zheng Y, Tian H, Deng Z, Liu J, Li C, He J. H3K4 trimethylation regulates cancer immunity: a promising therapeutic target in combination with immunotherapy. J Immunother Cancer 2023; 11:e005693. [PMID: 37553181 PMCID: PMC10414074 DOI: 10.1136/jitc-2022-005693] [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] [Accepted: 05/03/2023] [Indexed: 08/10/2023] Open
Abstract
With the advances in cancer immunity regulation and immunotherapy, the effects of histone modifications on establishing antitumor immunological ability are constantly being uncovered. Developing combination therapies involving epigenetic drugs (epi-drugs) and immune checkpoint blockades or chimeric antigen receptor-T cell therapies are promising to improve the benefits of immunotherapy. Histone H3 lysine 4 trimethylation (H3K4me3) is a pivotal epigenetic modification in cancer immunity regulation, deeply involved in modulating tumor immunogenicity, reshaping tumor immune microenvironment, and regulating immune cell functions. However, how to integrate these theoretical foundations to create novel H3K4 trimethylation-based therapeutic strategies and optimize available therapies remains uncertain. In this review, we delineate the mechanisms by which H3K4me3 and its modifiers regulate antitumor immunity, and explore the therapeutic potential of the H3K4me3-related agents combined with immunotherapies. Understanding the role of H3K4me3 in cancer immunity will be instrumental in developing novel epigenetic therapies and advancing immunotherapy-based combination regimens.
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Affiliation(s)
- Chu Xiao
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Tao Fan
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yujia Zheng
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - He Tian
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ziqin Deng
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jingjing Liu
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chunxiang Li
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jie He
- Department of Thoracic Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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8
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Beignon AS, Galeotti C, Menager MM, Schvartz A. Trained immunity as a possible newcomer in autoinflammatory and autoimmune diseases pathophysiology. Front Med (Lausanne) 2023; 9:1085339. [PMID: 36743677 PMCID: PMC9896524 DOI: 10.3389/fmed.2022.1085339] [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: 10/31/2022] [Accepted: 12/20/2022] [Indexed: 01/12/2023] Open
Abstract
Autoimmune disorders have been well characterized over the years and many pathways-but not all of them-have been found to explain their pathophysiology. Autoinflammatory disorders, on the other hand, are still hiding most of their molecular and cellular mechanisms. During the past few years, a newcomer has challenged the idea that only adaptive immunity could display memory response. Trained immunity is defined by innate immune responses that are faster and stronger to a second stimulus than to the first one, being the same or not. In response to the trained immunity inducer, and through metabolic and epigenetic changes of hematopoietic stem and progenitor cells in the bone marrow that are transmitted to their cellular progeny (peripheral trained immunity), or directly of tissue-resident cells (local innate immunity), innate cells responsiveness and functions upon stimulation are improved in the long-term. Innate immunity can be beneficial, but it could also be detrimental when maladaptive. Here, we discuss how trained immunity could contribute to the physiopathology of autoimmune and autoinflammatory diseases.
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Affiliation(s)
- Anne-Sophie Beignon
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial Diseases/Infectious Diseases Models and Innovative Technologies (IMVA-HB/IDMIT), U1184, Université Paris-Saclay, INSERM, CEA, Fontenay-aux-Roses, France
| | - Caroline Galeotti
- Department of Pediatric Rheumatology, Reference Center for AutoInflammatory Diseases and Amyloidosis (CEREMAIA), Hôpital Bicêtre, AP-HP, Le Kremlin-Bicêtre, France
| | - Mickael M. Menager
- Center for Immunology of Viral, Auto-immune, Hematological and Bacterial Diseases/Infectious Diseases Models and Innovative Technologies (IMVA-HB/IDMIT), U1184, Université Paris-Saclay, INSERM, CEA, Fontenay-aux-Roses, France
| | - Adrien Schvartz
- Department of Pediatric Rheumatology, Reference Center for AutoInflammatory Diseases and Amyloidosis (CEREMAIA), Hôpital Bicêtre, AP-HP, Le Kremlin-Bicêtre, France,*Correspondence: Adrien Schvartz,
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Yang Z, Jia Y, Wang S, Zhang Y, Fan W, Wang X, He L, Shen X, Yang X, Zhang Y, Yang H. Retinoblastoma-Binding Protein 5 Regulates H3K4 Methylation Modification to Inhibit the Proliferation of Melanoma Cells by Inactivating the Wnt/ β-Catenin and Epithelial-Mesenchymal Transition Pathways. JOURNAL OF ONCOLOGY 2023; 2023:5093941. [PMID: 36866240 PMCID: PMC9974310 DOI: 10.1155/2023/5093941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/29/2022] [Accepted: 01/20/2023] [Indexed: 02/25/2023]
Abstract
Histone 3 lysine 4 methylation (H3K4me), especially histone 3 lysine 4 trimethylation (H3K4me3), is one of the most extensively studied patterns of histone modification and plays crucial roles in many biological processes. However, as a part of H3K4 methyltransferase that participates in H3K4 methylation and transcriptional regulation, retinoblastoma-binding protein 5 (RBBP5) has not been well studied in melanoma. The present study sought to explore RBBP5-mediated H3K4 histone modification and the potential mechanisms in melanoma. RBBP5 expression in melanoma and nevi specimens was detected by immunohistochemistry. Western blotting was performed for three pairs of melanoma cancer tissues and nevi tissues. In vitro and in vivo assays were used to investigate the function of RBBP5. The molecular mechanism was determined using RT-qPCR, western blotting, ChIP assays, and Co-IP assays. Our study showed that RBBP5 was significantly downregulated in melanoma tissue and cells compared with nevi tissues and normal epithelia cells (P < 0.05). Reducing RBBP5 in human melanoma cells leads to H3K4me3 downregulation and promotes cell proliferation, migration, and invasion. On the one hand, we verified that WSB2 was an upstream gene of RBBP5-mediated H3K4 modification, which could directly bind to RBBP5 and negatively regulate its expression. On the other hand, we also confirmed that p16 (a cancer suppressor gene) was a downstream target of H3K4me3, the promoter of which can directly bind to H3K4me3. Mechanistically, our data revealed that RBBP5 inactivated the Wnt/β-catenin and epithelial-mesenchymal transition (EMT) pathways (P < 0.05), leading to melanoma suppression. Histone methylation is rising as an important factor affecting tumorigenicity and tumor progression. Our findings verified the significance of RBBP5-mediated H3K4 modification in melanoma and the potential regulatory mechanisms of melanoma proliferation and growth, suggesting that RBBP5 is a potential therapeutic target for the treatment of melanoma.
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Affiliation(s)
- Zhiqin Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
- 2Departments of Gynecology, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - Yue Jia
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Shaojia Wang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Yongjun Zhang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Wen Fan
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
- 3Departments of Reproduction, The Second Affiliated Hospital of Kunming Medical University, Kunming 650106, China
| | - Xin Wang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Liang He
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Xiaoyu Shen
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Xiangqun Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Yi Zhang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
| | - Hongying Yang
- 1Department of Gynecology, The Third Affiliated Hospital of Kunming Medical University (Tumor Hospital of Yunnan Province), Kunming 650118, China
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Chen K, Wu T, Wang D, Li R, Shen X, Zhao T, Ozato K, Li R. Transcriptomics and quantitative proteomics reveal changes after second stimulation of bone marrow-derived macrophages from lupus-prone MRL/lpr mice. Front Immunol 2022; 13:1004232. [PMID: 36341359 PMCID: PMC9627492 DOI: 10.3389/fimmu.2022.1004232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 09/27/2022] [Indexed: 11/13/2022] Open
Abstract
Innate immune memory can cause the occurrence and exacerbation of autoimmune diseases, and it is as well as being strongly associated with the pathogenesis of systemic lupus erythematosus (SLE), however, the specific mechanism remains to be further studied. We learned that IFN-γ stimulation generated innate immune memory in bone marrow-derived macrophages (BMDMs) and activated memory interferon-stimulated genes (ISGs). This research used IFN-γ and lipopolysaccharide (LPS) to treat BMDMs with lupus-prone MRL/lpr mice and showed that particular memory ISGs were substantially elevated in prestimulated macrophages. In order to identify the differentially expressed genes (DEGs), researchers turned to RNA-seq. GO and KEGG analysis showed that up-regulated DEGs were enriched in defense and innate immune responses, and were related to the expression of pattern recognition receptors (PRRs)-related pathways in macrophages. TMT-based proteome analysis revealed differentially expressed proteins (DEPs) up-regulated in BMDMs were abundant in metabolic pathways such as glucose metabolism. Our study found that after the secondary stimulation of MRL/lpr mice, the expression of PRRs in innate immune cells was changed, and IFN-related pathways were activated to release a large number of ISGs to promote the secondary response. At the same time, related metabolic modes such as glycolysis were enhanced, and epigenetic changes may occur. Therefore, SLE is brought on, maintained, and worsened by a variety of factors that work together to produce innate immune memory.
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Affiliation(s)
- Keyue Chen
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Tiyun Wu
- Division of Developmental Biology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
| | - Danyan Wang
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Rong Li
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiangfeng Shen
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Ting Zhao
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Keiko Ozato
- Division of Developmental Biology, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: Keiko Ozato, ; Rongqun Li,
| | - Rongqun Li
- Key Laboratory of Chinese Medicine Rheumatology of Zhejiang Province, School of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
- *Correspondence: Keiko Ozato, ; Rongqun Li,
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11
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Nica V, Popp RA, Crișan TO, Joosten LAB. The future clinical implications of trained immunity. Expert Rev Clin Immunol 2022; 18:1125-1134. [PMID: 36062825 DOI: 10.1080/1744666x.2022.2120470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Trained Immunity (TI) refers to the long-term modulation of the innate immune response, based on previous interactions with microbes, microbial ligands or endogenous substances. Through metabolic and epigenetic reprogramming, monocytes, macrophages and neutrophils develop an enhanced capacity to mount innate immune responses to subsequent stimuli and this is persistent due to alterations at the myeloid progenitor compartment. AREAS COVERED The purpose of this article is to review the current understanding of the TI process and discuss about its potential clinical implications in the near future. We address the evidence of TI involvement in various diseases, the currently developed new therapy, and discuss how TI may lead to new clinical tools to improve existing standards of care. EXPERT OPINION The state of art in this domain has made considerable progress, linking TI-related mechanisms in multiple immune-mediated pathologies, starting with infections to autoimmune disorders and cancers. As a relatively new area of immunology, it has seen fast progress with many of its applications ready to be investigated in clinical settings.
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Affiliation(s)
- Valentin Nica
- Department of Medical Genetics, "Iuliu Hațieganu" University of Medicine and Pharmacy, Str. Pasteur nr. 6, 400349, Cluj-Napoca, Romania
| | - Radu A Popp
- Department of Medical Genetics, "Iuliu Hațieganu" University of Medicine and Pharmacy, Str. Pasteur nr. 6, 400349, Cluj-Napoca, Romania
| | - Tania O Crișan
- Department of Medical Genetics, "Iuliu Hațieganu" University of Medicine and Pharmacy, Str. Pasteur nr. 6, 400349, Cluj-Napoca, Romania
| | - Leo A B Joosten
- Department of Medical Genetics, "Iuliu Hațieganu" University of Medicine and Pharmacy, Str. Pasteur nr. 6, 400349, Cluj-Napoca, Romania.,Department of Internal Medicine and Radboud Institute for Molecular Life Sciences (RIMLS), Radboud University Medical Center, Geert Grooteplein Zuid 28, 6525 GA, Nijmegen, The Netherlands
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12
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Abstract
Systemic lupus erythematosus (SLE) is a typical autoimmune disease with a complex pathogenesis and genetic predisposition. With continued understanding of this disease, it was found that SLE is related to the interferon gene signature. Most studies have emphasized the important role of IFN-α in SLE, but our previous study suggested a nonnegligible role of IFN-γ in SLE. Some scholars previously found that IFN-γ is abnormally elevated as early as before the classification of SLE and before the emergence of autoantibodies and IFN-α. Due to the large overlap between IFN-α and IFN-γ, SLE is mostly characterized by expression of the IFN-α gene after onset. Therefore, the role of IFN-γ in SLE may be underestimated. This article mainly reviews the role of IFN-γ in SLE and focuses on the nonnegligible role of IFN-γ in SLE to gain a more comprehensive understanding of the disease.
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13
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Chen W, Tamada Y, Yamane H, Matsushita M, Osako Y, Gao-Takai M, Luo Z, Tao R. H3K4me3 plays a key role in establishing permissive chromatin states during bud dormancy and bud break in apple. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2022; 111:1015-1031. [PMID: 35699670 DOI: 10.1111/tpj.15868] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 06/03/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Bud dormancy helps woody perennials survive winter and activate robust plant development in the spring. For apple (Malus × domestica), short-term chilling induces bud dormancy in autumn, then prolonged chilling leads to dormancy release and a shift to a quiescent state in winter, with subsequent warm periods promoting bud break in spring. Epigenetic regulation contributes to seasonal responses such as vernalization. However, how histone modifications integrate seasonal cues and internal signals during bud dormancy in woody perennials remains largely unknown. Here, we show that H3K4me3 plays a key role in establishing permissive chromatin states during bud dormancy and bud break in apple. The global changes in gene expression strongly correlated with changes in H3K4me3, but not H3K27me3. High expression of DORMANCY-ASSOCIATED MADS-box (DAM) genes, key regulators of dormancy, in autumn was associated with high H3K4me3 levels. In addition, known DAM/SHORT VEGETATIVE PHASE (SVP) target genes significantly overlapped with H3K4me3-modified genes as bud dormancy progressed. These data suggest that H3K4me3 contributes to the central dormancy circuit, consisting of DAM/SVP and abscisic acid (ABA), in autumn. In winter, the lower expression and H3K4me3 levels at DAMs and gibberellin metabolism genes control chilling-induced release of dormancy. Warming conditions in spring facilitate the expression of genes related to phytohormones, the cell cycle, and cell wall modification by increasing H3K4me3 toward bud break. Our study also revealed that activation of auxin and repression of ABA sensitivity in spring are conditioned at least partly through temperature-mediated epigenetic regulation in winter.
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Affiliation(s)
- Wenxing Chen
- Graduate School of Agriculture, Kyoto University, Kyoto, Japan
- Key Laboratory of Horticultural Plant Biology, Huazhong Agricultural University, Wuhan, China
| | - Yosuke Tamada
- School of Engineering, Utsunomiya University, Utsunomiya, Japan
- National Institute for Basic Biology, Okazaki, Japan
- The Graduate University for Advanced Studies, SOKENDAI, Miura-gun, Japan
| | - Hisayo Yamane
- Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | | | - Yutaro Osako
- Faculty of Agriculture, Shinshu University, Kamiina-gun, Japan
| | - Mei Gao-Takai
- Agricultural Experimental Station, Ishikawa Prefectural University, Nonoichi, Japan
| | - Zhengrong Luo
- Key Laboratory of Horticultural Plant Biology, Huazhong Agricultural University, Wuhan, China
| | - Ryutaro Tao
- Graduate School of Agriculture, Kyoto University, Kyoto, Japan
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14
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Belhocine M, Simonin M, Abad Flores JD, Cieslak A, Manosalva I, Pradel L, Smith C, Mathieu EL, Charbonnier G, Martens JHA, Stunnenberg HG, Maqbool MA, Mikulasova A, Russell LJ, Rico D, Puthier D, Ferrier P, Asnafi V, Spicuglia S. Dynamics of broad H3K4me3 domains uncover an epigenetic switch between cell identity and cancer-related genes. Genome Res 2022; 32:1328-1342. [PMID: 34162697 PMCID: PMC9341507 DOI: 10.1101/gr.266924.120] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 05/05/2021] [Indexed: 01/03/2023]
Abstract
Broad domains of H3K4 methylation have been associated with consistent expression of tissue-specific, cell identity, and tumor suppressor genes. Here, we identified broad domain-associated genes in healthy human thymic T cell populations and a collection of T cell acute lymphoblastic leukemia (T-ALL) primary samples and cell lines. We found that broad domains are highly dynamic throughout T cell differentiation, and their varying breadth allows the distinction between normal and neoplastic cells. Although broad domains preferentially associate with cell identity and tumor suppressor genes in normal thymocytes, they flag key oncogenes in T-ALL samples. Moreover, the expression of broad domain-associated genes, both coding and noncoding, is frequently deregulated in T-ALL. Using two distinct leukemic models, we showed that the ectopic expression of T-ALL oncogenic transcription factor preferentially impacts the expression of broad domain-associated genes in preleukemic cells. Finally, an H3K4me3 demethylase inhibitor differentially targets T-ALL cell lines depending on the extent and number of broad domains. Our results show that the regulation of broad H3K4me3 domains is associated with leukemogenesis, and suggest that the presence of these structures might be used for epigenetic prioritization of cancer-relevant genes, including long noncoding RNAs.
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Affiliation(s)
- Mohamed Belhocine
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
- Molecular Biology and Genetics Laboratory, Dubai, United Arab Emirates
| | - Mathieu Simonin
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
| | - José David Abad Flores
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
| | - Agata Cieslak
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
| | - Iris Manosalva
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
| | - Lydie Pradel
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
| | - Charlotte Smith
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
| | - Eve-Lyne Mathieu
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
| | - Guillaume Charbonnier
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
| | - Joost H A Martens
- Department of Molecular Biology, Faculties of Science and Medicine, Radboud Institute for Molecular Life Sciences, Radboud University, 6500 HB Nijmegen, Netherlands
| | - Hendrik G Stunnenberg
- Department of Molecular Biology, Faculties of Science and Medicine, Radboud Institute for Molecular Life Sciences, Radboud University, 6500 HB Nijmegen, Netherlands
| | - Muhammad Ahmad Maqbool
- CRUK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Aderley Park, Macclesfield SK104TG, United Kingdom
| | - Aneta Mikulasova
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Lisa J Russell
- Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Daniel Rico
- Biosciences Institute, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
| | - Denis Puthier
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
| | - Pierre Ferrier
- Aix Marseille University, CNRS, INSERM, Centre d'Immunologie de Marseille-Luminy, 13288 Marseille, France
| | - Vahid Asnafi
- Université de Paris (Descartes), Institut Necker-Enfants Malades (INEM), Institut national de la santé et de la recherche médicale (Inserm) U1151, and Laboratory of Onco-Hematology, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants-Malades, 75015 Paris, France
| | - Salvatore Spicuglia
- Aix-Marseille University, Inserm, Theories and Approaches of Genomic Complexity (TAGC), UMR1090, 13288 Marseille, France
- Equipe Labellisée Ligue Contre le Cancer, 13288 Marseille, France
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15
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Tan Y, Liu Q, Li Z, Yang S, Cui L. Epigenetics-mediated pathological alternations and their potential in antiphospholipid syndrome diagnosis and therapy. Autoimmun Rev 2022; 21:103130. [PMID: 35690246 DOI: 10.1016/j.autrev.2022.103130] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 06/07/2022] [Indexed: 11/19/2022]
Abstract
APS (antiphospholipid syndrome) is a systematic autoimmune disease accompanied with venous or arterial thrombosis and poor pregnant manifestations, partly attributing to the successive elevated aPL (antiphospholipid antibodies) and provoked prothrombotic and proinflammatory molecules production. Nowadays, most researches focus on the laboratory detection and clinic features of APS, but its precise etiology remains to be deeply explored. As we all know, the dysfunction of ECs (endothelial cells), monocytes, platelets, trophoblasts and neutrophils are key contributors to APS progression. Especially, their epigenetic variations, mainly including the promoter CpGs methylation, histone PTMs (post-translational modifications) and ncRNAs (noncoding RNAs), result in genes expression or silence engaged in inflammation initiation, thrombosis formation, autoimmune activation and APOs (adverse pregnancy outcomes) in APS. Given the potential of epigenetic markers serving as diagnostic biomarkers or therapeutic targets of APS, and the encouraging advancements in epigenetic drugs are being made. In this review, we would systematically introduce the epigenetic underlying mechanisms for APS progression, comprehensively elucidate the functional mechanisms of epigenetics in boosting ECs, monocytes, platelets, trophoblasts and neutrophils. Lastly, the application of epigenetic alterations for probing novel diagnostic, specific therapeutic and prognostic strategies would be proposed.
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Affiliation(s)
- Yuan Tan
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, 100191, China; Core Unit of National Clinical Research Center for Laboratory Medicine, Peking University Third Hospital, Beijing 100191, China; Institute of Medical Technology, Peking University Health Science Center, Beijing, 100191, China
| | - Qi Liu
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, 100191, China; Core Unit of National Clinical Research Center for Laboratory Medicine, Peking University Third Hospital, Beijing 100191, China; Institute of Medical Technology, Peking University Health Science Center, Beijing, 100191, China
| | - Zhongxin Li
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, 100191, China; Core Unit of National Clinical Research Center for Laboratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Shuo Yang
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, 100191, China; Core Unit of National Clinical Research Center for Laboratory Medicine, Peking University Third Hospital, Beijing 100191, China
| | - Liyan Cui
- Department of Laboratory Medicine, Peking University Third Hospital, Beijing, 100191, China; Core Unit of National Clinical Research Center for Laboratory Medicine, Peking University Third Hospital, Beijing 100191, China.
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16
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Perdaens O, van Pesch V. Molecular Mechanisms of Immunosenescene and Inflammaging: Relevance to the Immunopathogenesis and Treatment of Multiple Sclerosis. Front Neurol 2022; 12:811518. [PMID: 35281989 PMCID: PMC8913495 DOI: 10.3389/fneur.2021.811518] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 12/27/2021] [Indexed: 12/18/2022] Open
Abstract
Aging is characterized, amongst other features, by a complex process of cellular senescence involving both innate and adaptive immunity, called immunosenescence and associated to inflammaging, a low-grade chronic inflammation. Both processes fuel each other and partially explain increasing incidence of cancers, infections, age-related autoimmunity, and vascular disease as well as a reduced response to vaccination. Multiple sclerosis (MS) is a lifelong disease, for which considerable progress in disease-modifying therapies (DMTs) and management has improved long-term survival. However, disability progression, increasing with age and disease duration, remains. Neurologists are now involved in caring for elderly MS patients, with increasing comorbidities. Aging of the immune system therefore has relevant implications for MS pathogenesis, response to DMTs and the risks mediated by these treatments. We propose to review current evidence regarding markers and molecular mechanisms of immunosenescence and their relevance to understanding MS pathogenesis. We will focus on age-related changes in the innate and adaptive immune system in MS and other auto-immune diseases, such as systemic lupus erythematosus and rheumatoid arthritis. The consequences of these immune changes on MS pathology, in interaction with the intrinsic aging process of central nervous system resident cells will be discussed. Finally, the impact of immunosenescence on disease evolution and on the safety and efficacy of current DMTs will be presented.
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Affiliation(s)
- Océane Perdaens
- Laboratory of Neurochemistry, Institute of Neuroscience, Université catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Vincent van Pesch
- Laboratory of Neurochemistry, Institute of Neuroscience, Université catholique de Louvain (UCLouvain), Brussels, Belgium
- Department of Neurology, Cliniques universitaires Saint-Luc, Université catholique de Louvain (UCLouvain), Brussels, Belgium
- *Correspondence: Vincent van Pesch
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17
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Mechanical force-sensitive lncRNA SNHG8 inhibits osteogenic differentiation by regulating EZH2 in hPDLSCs. Cell Signal 2022; 93:110285. [DOI: 10.1016/j.cellsig.2022.110285] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Revised: 02/12/2022] [Accepted: 02/17/2022] [Indexed: 12/18/2022]
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18
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Chi Z, Zhang B, Sun R, Wang Y, Zhang L, Xu G. USP44 accelerates the growth of T-cell acute lymphoblastic leukemia through interacting with WDR5 and repressing its ubiquitination. Int J Med Sci 2022; 19:2022-2032. [PMID: 36483601 PMCID: PMC9724245 DOI: 10.7150/ijms.74535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 10/26/2022] [Indexed: 11/24/2022] Open
Abstract
T-cell acute lymphoblastic leukemia (T-ALL) is a common hematologic malignancy. Based on the data from GSE66638 and GSE141140, T-ALL patients depicted a higher USP44 level. However, its role in T-ALL is still unclear. In the present study, we investigated the role of USP44 in T-ALL growth. USP44 overexpression elevated the proliferation of CCRF-CEM cells, while USP44 knockdown suppressed the proliferation of Jurkat and MOLT-4 cells. In addition, USP44 accelerated the cell cycle progression, with boosted cyclinD and PCNA levels. However, USP44 knockdown induced apoptosis in Jurkat and MOLT-4 cells, with an upheaval among cleaved caspase-3 and PARP levels. Mechanistically, USP44 co-localized and interacted with WDR5, leading to the repression of its ubiquitination and degradation. Interestingly, WDR5 overexpression abolished the apoptosis induced by USP44 knockdown. Consistently, the in vivo study revealed that USP44 knockdown restricted the leukemic engraftments in the bone marrow and spleens and reduced the infiltration of T-ALL cells in the livers and lungs. In conclusion, this study indicated that USP44 enhanced the growth of T-ALL through interacting with WDR5 and repressing its ubiquitination. This study highlights the potential use of USP44 as a therapeutic target of T-ALL.
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Affiliation(s)
- Zuofei Chi
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
| | - Bin Zhang
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
| | - Ruowen Sun
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
| | - Ye Wang
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
| | - Linlin Zhang
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
| | - Gang Xu
- The Second Department of Pediatric Hematology, Shengjing Hospital of China Medical University, Shenyang 110004, Liaoning, China
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19
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Starks RR, Kaur H, Tuteja G. Mapping cis-regulatory elements in the midgestation mouse placenta. Sci Rep 2021; 11:22331. [PMID: 34785717 PMCID: PMC8595355 DOI: 10.1038/s41598-021-01664-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 11/01/2021] [Indexed: 12/22/2022] Open
Abstract
The placenta is a temporary organ that provides the developing fetus with nutrients, oxygen, and protection in utero. Defects in its development, which may be caused by misregulated gene expression, can lead to devastating outcomes for the mother and fetus. In mouse, placental defects during midgestation commonly lead to embryonic lethality. However, the regulatory mechanisms controlling expression of genes during this period have not been thoroughly investigated. Therefore, we generated and analyzed ChIP-seq data for multiple histone modifications known to mark cis-regulatory regions. We annotated active and poised promoters and enhancers, as well as regions generally associated with repressed gene expression. We found that poised promoters were associated with neuronal development genes, while active promoters were largely associated with housekeeping genes. Active and poised enhancers were associated with placental development genes, though only active enhancers were associated with genes that have placenta-specific expression. Motif analysis within active enhancers identified a large network of transcription factors, including those that have not been previously studied in the placenta and are candidates for future studies. The data generated and genomic regions annotated provide researchers with a foundation for future studies, aimed at understanding how specific genes in the midgestation mouse placenta are regulated.
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Affiliation(s)
- Rebekah R Starks
- Genetics, Development, and Cell Biology, Iowa State University, Ames, IA, 50011, USA.,Bioinformatics and Computational Biology, Iowa State University, Ames, IA, 50011, USA
| | - Haninder Kaur
- Genetics, Development, and Cell Biology, Iowa State University, Ames, IA, 50011, USA
| | - Geetu Tuteja
- Genetics, Development, and Cell Biology, Iowa State University, Ames, IA, 50011, USA. .,Bioinformatics and Computational Biology, Iowa State University, Ames, IA, 50011, USA.
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20
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Novikova G, Kapoor M, Tcw J, Abud EM, Efthymiou AG, Chen SX, Cheng H, Fullard JF, Bendl J, Liu Y, Roussos P, Björkegren JL, Liu Y, Poon WW, Hao K, Marcora E, Goate AM. Integration of Alzheimer's disease genetics and myeloid genomics identifies disease risk regulatory elements and genes. Nat Commun 2021; 12:1610. [PMID: 33712570 PMCID: PMC7955030 DOI: 10.1038/s41467-021-21823-y] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 02/10/2021] [Indexed: 02/07/2023] Open
Abstract
Genome-wide association studies (GWAS) have identified more than 40 loci associated with Alzheimer's disease (AD), but the causal variants, regulatory elements, genes and pathways remain largely unknown, impeding a mechanistic understanding of AD pathogenesis. Previously, we showed that AD risk alleles are enriched in myeloid-specific epigenomic annotations. Here, we show that they are specifically enriched in active enhancers of monocytes, macrophages and microglia. We integrated AD GWAS with myeloid epigenomic and transcriptomic datasets using analytical approaches to link myeloid enhancer activity to target gene expression regulation and AD risk modification. We identify AD risk enhancers and nominate candidate causal genes among their likely targets (including AP4E1, AP4M1, APBB3, BIN1, MS4A4A, MS4A6A, PILRA, RABEP1, SPI1, TP53INP1, and ZYX) in twenty loci. Fine-mapping of these enhancers nominates candidate functional variants that likely modify AD risk by regulating gene expression in myeloid cells. In the MS4A locus we identified a single candidate functional variant and validated it in human induced pluripotent stem cell (hiPSC)-derived microglia and brain. Taken together, this study integrates AD GWAS with multiple myeloid genomic datasets to investigate the mechanisms of AD risk alleles and nominates candidate functional variants, regulatory elements and genes that likely modulate disease susceptibility.
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Affiliation(s)
- Gloriia Novikova
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Manav Kapoor
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Julia Tcw
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Edsel M Abud
- Department of Neurobiology & Behavior, University of California Irvine, Irvine, CA, USA
- Sue and Bill Gross Stem Cell Research Center, University of California Irvine, Irvine, CA, USA
| | - Anastasia G Efthymiou
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Steven X Chen
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Haoxiang Cheng
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John F Fullard
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Jaroslav Bendl
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Yiyuan Liu
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Panos Roussos
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Johan Lm Björkegren
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Integrated Cardio Metabolic Centre, Department of Medicine, Karolinska Institutet, Karolinska Universitetssjukhuset, Huddinge, Sweden
| | - Yunlong Liu
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
- Center for Computational Biology and Bioinformatics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Wayne W Poon
- Institute for Memory Impairments and Neurological Disorders, University of California Irvine, Irvine, CA, USA
| | - Ke Hao
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Edoardo Marcora
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
| | - Alison M Goate
- Ronald M. Loeb Center for Alzheimer's Disease, Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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21
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Foroozani M, Vandal MP, Smith AP. H3K4 trimethylation dynamics impact diverse developmental and environmental responses in plants. PLANTA 2021; 253:4. [PMID: 33387051 DOI: 10.1007/s00425-020-03520-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
The H3K4me3 histone mark in plants functions in the regulation of gene expression and transcriptional memory, and influences numerous developmental processes and stress responses. Plants execute developmental programs and respond to changing environmental conditions via adjustments in gene expression, which are modulated in part by chromatin structure dynamics. Histone modifications alter chromatin in precise ways on a global scale, having the potential to influence the expression of numerous genes. Trimethylation of lysine 4 on histone H3 (H3K4me3) is a prominent histone modification that is dogmatically associated with gene activity, but more recently has also been linked to gene repression. As in other eukaryotes, the distribution of H3K4me3 in plant genomes suggests it plays a central role in gene expression regulation, however the underlying mechanisms are not fully understood. Transcript levels of many genes related to flowering, root, and shoot development are affected by dynamic H3K4me3 levels, as are those for a number of stress-responsive and stress memory-related genes. This review examines the current understanding of how H3K4me3 functions in modulating plant responses to developmental and environmental cues.
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Affiliation(s)
- Maryam Foroozani
- Department of Biology, Emory University, Atlanta, GA, 30322, USA
| | - Matthew P Vandal
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, 70803, USA
| | - Aaron P Smith
- Department of Biological Sciences, Louisiana State University, Baton Rouge, LA, 70803, USA.
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22
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Brant EJ, Rietman EA, Klement GL, Cavaglia M, Tuszynski JA. Personalized therapy design for systemic lupus erythematosus based on the analysis of protein-protein interaction networks. PLoS One 2020; 15:e0226883. [PMID: 32191711 PMCID: PMC7081981 DOI: 10.1371/journal.pone.0226883] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 12/08/2019] [Indexed: 12/26/2022] Open
Abstract
We analyzed protein expression data for Lupus patients, which have been obtained from publicly available databases. A combination of systems biology and statistical thermodynamics approaches was used to extract topological properties of the associated protein-protein interaction networks for each of the 291 patients whose samples were used to provide the molecular data. We have concluded that among the many proteins that appear to play critical roles in this pathology, most of them are either ribosomal proteins, ubiquitination pathway proteins or heat shock proteins. We propose some of the proteins identified in this study to be considered for drug targeting.
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Affiliation(s)
- Elizabeth J. Brant
- Nephrology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire, United States of America
| | - Edward A. Rietman
- BINDS lab, College of Information and Computer Sciences, University of Massachusetts Amherst, Amherst, Massachusetts, United States of America
- Department of Mechanical and Industrial Engineering, University of Mass, Amherst, Massachusetts, United States of America
| | | | | | - Jack A. Tuszynski
- DIMEAS, Politecnico di Torino, Torino, Italy
- Department of Oncology, Cross Cancer Institute, University of Alberta, Edmonton, Alberta, Canada
- * E-mail:
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23
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Park S, Kim GW, Kwon SH, Lee JS. Broad domains of histone H3 lysine 4 trimethylation in transcriptional regulation and disease. FEBS J 2020; 287:2891-2902. [PMID: 31967712 DOI: 10.1111/febs.15219] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/23/2019] [Accepted: 01/17/2020] [Indexed: 12/11/2022]
Abstract
Histone modifications affect transcription by changing the chromatin structure. In particular, histone H3 lysine 4 trimethylation (H3K4me3) is one of the most recognized epigenetic marks of active transcription. While many studies have provided evidence of the correlation between H3K4me3 and active transcription, details regarding the mechanism involved remain unclear. The first study on the broad H3K4me3 domain was reported in 2014; subsequently, the function of this domain has been studied in various cell types. In this review, we summarized the recent studies on the role of the broad H3K4me3 domain in transcription, development, memory formation, and several diseases, including cancer and autoimmune diseases. The broadest H3K4me3 domains are associated with increased transcriptional precision of cell-type-specific genes related to cell identity and other essential functions. The broad H3K4me3 domain regulates maternal zygotic activation in early mammalian development. In systemic autoimmune diseases, high expression of immune-responsive genes requires the presence of the broad H3K4me3 domain in the promoter-proximal regions. Transcriptional repression of tumor-suppressor genes is associated with the shortening of the broad H3K4me3 domains in cancer cells. Additionally, the broad H3K4me3 domain interacts with the super-enhancer to regulate cancer-associated genes. During memory formation, H3K4me3 breadth is regulated in the hippocampus CA1 neurons. Taken together, these findings indicate that H3K4me3 breadth is essential for the regulation of the transcriptional output across multiple cell types.
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Affiliation(s)
- Shinae Park
- Department of Molecular Bioscience, College of Biomedical Science, Kangwon National University, Chuncheon, Korea.,Critical Zone Frontier Research Laboratory, Kangwon National University, Chuncheon, Korea
| | - Go Woon Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Korea
| | - So Hee Kwon
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences, Yonsei University, Incheon, Korea.,Department of Integrated OMICS for Biomedical Science, Yonsei University, Seoul, Korea
| | - Jung-Shin Lee
- Department of Molecular Bioscience, College of Biomedical Science, Kangwon National University, Chuncheon, Korea.,Critical Zone Frontier Research Laboratory, Kangwon National University, Chuncheon, Korea
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24
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Subuddhi A, Kumar M, Majumder D, Sarkar A, Ghosh Z, Vasudevan M, Kundu M, Basu J. Unraveling the role of H3K4 trimethylation and lncRNA HOTAIR in SATB1 and DUSP4-dependent survival of virulent Mycobacterium tuberculosis in macrophages. Tuberculosis (Edinb) 2019; 120:101897. [PMID: 32090865 DOI: 10.1016/j.tube.2019.101897] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 12/15/2019] [Accepted: 12/22/2019] [Indexed: 12/12/2022]
Abstract
The modification of chromatin influences host transcriptional programs during bacterial infection, at times skewing the balance in favor of pathogen survival. To test the role of chromatin modifications during Mycobacterium tuberculosis infection, we analysed genome-wide deposition of H3K4me3 marks in macrophages infected with either avirulent M. tuberculosis H37Ra or virulent H37Rv, by chromatin immunoprecipitation, followed by sequencing. We validated differences in association of H3K4me3 at the loci of special AT-rich sequence binding protein 1 (SATB1) and dual specificity MAP kinase phosphatase 4 (DUSP4) between H37Rv and H37Ra-infected macrophages, and demonstrated their role in regulating bacterial survival in macrophages as well as the expression of chemokines. SATB1 repressed gp91phox (an NADPH oxidase subunit) thereby regulating reactive oxygen species (ROS) generation during infection. Long non-coding RNA HOX transcript antisense RNA (HOTAIR) was upregulated in H37Ra-, but downregulated in H37Rv-infected macrophages. HOTAIR overexpression correlated with deposition of repressive H3K27me3 marks around the TSSs of DUSP4 and SATB1, suggesting that its downregulation favors the transcription of SATB1 and DUSP4. In summary, we have delineated histone modification- and lncRNA-dependent mechanisms regulating gene expression patterns facilitating survival of virulent M. tuberculosis. Our observations raise the possibility of harnessing histone-modifying enzymes to develop host-directed therapies for tuberculosis.
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Affiliation(s)
| | - Manish Kumar
- Department of Chemistry, Bose Institute, Kolkata, 700009, India
| | | | - Arijita Sarkar
- Division of Bioinformatics, Bose Institute, Kolkata, 700054, India
| | - Zhumur Ghosh
- Division of Bioinformatics, Bose Institute, Kolkata, 700054, India
| | | | | | - Joyoti Basu
- Department of Chemistry, Bose Institute, Kolkata, 700009, India.
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25
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Zhou M, Li Y, Lin S, Chen Y, Qian Y, Zhao Z, Fan H. H3K9me3, H3K36me3, and H4K20me3 Expression Correlates with Patient Outcome in Esophageal Squamous Cell Carcinoma as Epigenetic Markers. Dig Dis Sci 2019; 64:2147-2157. [PMID: 30788686 DOI: 10.1007/s10620-019-05529-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2018] [Accepted: 02/11/2019] [Indexed: 01/03/2023]
Abstract
BACKGROUND Histone methylation, as an essential pattern of posttranslational modifications, contributes to multiple cancer-related biological processes. Dysregulation of histone methylation is now considered a biomarker for cancer prognosis. AIMS This study investigated and evaluated the potential role of four histone lysine trimethylation markers as biomarkers for esophageal squamous cell carcinoma (ESCC) prognosis. METHODS Tissue arrays were made from 135 paraffin-embedded ESCC samples and examined for histone markers by immunohistochemistry, and 10 pairs of cancer and noncancerous mucosa tissues from ESCC patients were investigated with Western blot. Chi-squared test, Kaplan-Meier analysis with log-rank test, and Cox proportional hazard trend analyses were performed to assess the prognostic values of the markers. RESULTS Histone 3 lysine 4 trimethylation (H3K4me3), histone 3 lysine 9 trimethylation (H3K9me3), and histone 4 lysine 20 trimethylation (H4K20me3), but not histone 3 lysine 36 trimethylation (H3K36me3), showed stronger immunostaining signals in tumor tissues than in the corresponding adjacent non-neoplastic mucosa tissues. The expression patterns of H3K36me3, H3K9me3, and H4K20me3 correlated with tumor infiltrating depth, lymph node involvement, and pTNM stage. Low-scoring H3K9me3 and H4K20me3 predicted better prognosis, while H3K36me3 manifested the opposite trend. Poor prognosis occurred in ESCC patients with expression patterns of high levels of H3K9me3, high levels of H4K20me3, and low levels of H3K36me3 expression. CONCLUSIONS H3K9me3, H4K20me3, and H3K36me3 showed a close relationship with clinical features and were considered independent risk factors for survival of ESCC patients. The combination of H3K9me3, H4K20me3, and H3K36me3 expression, rather than the expression of a single histone marker, is believed to further enhance evaluations of ESCC prognosis and management.
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Affiliation(s)
- Menghan Zhou
- Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China.,Institute of Life Sciences, The Key Laboratory of Developmental Genes and Human Diseases, Southeast University, Nanjing, 210018, China
| | - Yiping Li
- Department of Pathology, Medical School, Southeast University, Nanjing, 210009, China
| | - Shaofeng Lin
- Department of Thoracic Surgery, Nanjing Medical University Affiliated Cancer Hospital & Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, Jiangsu Key Laboratory of Molecular and Translational Cancer Research, Nanjing, 210009, China.,Department of Oncology, Fujian Provincial Cancer Hospital, Fuzhou, 350000, China
| | - Yanping Chen
- Department of Pathology, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, 350014, China
| | - Yanyan Qian
- Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China
| | - Zhujiang Zhao
- Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China
| | - Hong Fan
- Department of Medical Genetics and Developmental Biology, Medical School of Southeast University, The Key Laboratory of Developmental Genes and Human Diseases, Ministry of Education, Southeast University, Nanjing, 210009, China.
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26
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Zhang Q, Liang Y, Yuan H, Li S, Wang JB, Li XM, Tao JH, Pan HF, Ye DQ. Integrated analysis of lncRNA, miRNA and mRNA expression profiling in patients with systemic lupus erythematosus. Arch Med Sci 2019; 15:872-879. [PMID: 31360182 PMCID: PMC6657242 DOI: 10.5114/aoms.2018.79145] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 09/11/2018] [Indexed: 12/27/2022] Open
Abstract
INTRODUCTION A great deal of research has reported dysregulated expression of genes in systemic lupus erythematosus (SLE). This study aimed to analyze the lncRNA, miRNA and mRNA expression profile in SLE. MATERIAL AND METHODS RNA sequencing (RNA-seq) was used to detect the dysregulated RNAs in SLE. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways analysis were used to explore the function of these differentially expressed RNAs. RESULTS 2,353 lncRNAs, 827 mRNAs and 24 miRNAs were shown to be differentially expressed. GO analyses demonstrated that differentially expressed RNAs were enriched in a variety of molecular functions and biological processes including ribonucleotide, protein serine/threonine kinase activity function, regulation of B cell differentiation and others. KEGG pathway analyses revealed that differentially expressed mRNAs and lncRNAs were both enriched in FcγR-mediated phagocytosis, glycosaminoglycan biosynthesis-chondroitin sulfate/dermatan sulfate and glyoxylate and dicarboxylate metabolism pathways. The up-regulated miRNAs target genes were mainly enriched in the nuclear factor-κB (NF-κB) signaling pathway. The down-regulated miRNAs target genes were significantly enriched in metabolism of xenobiotics by cytochrome P450, bile secretion and terpenoid backbone biosynthesis pathways. CONCLUSIONS The current study reveals a comprehensive expression profile of lncRNAs, miRNAs and mRNAs and implies potential regulatory functions of these RNAs which are involved in the pathogenesis of SLE.
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Affiliation(s)
- Qin Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
| | - Yan Liang
- Department of Nephrology, the First Affiliated Hospital, Sun Yat-sen University, Guangzhou, Guangdong, China
| | - Hui Yuan
- Department of Preventive Medicine, Wannan Medical College, Wuhu, Anhui, China
| | - Si Li
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
| | - Jie-Bing Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
| | - Xiao-Mei Li
- Department of Rheumatology and Immunology, Anhui Provincial Hospital, Hefei, Anhui, China
| | - Jin-Hui Tao
- Department of Rheumatology and Immunology, Anhui Provincial Hospital, Hefei, Anhui, China
| | - Hai-Feng Pan
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
| | - Dong-Qing Ye
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, Anhui, China
- Anhui Province Key Laboratory of Major Autoimmune Diseases, Hefei, Anhui, China
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27
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Donlin LT, Park SH, Giannopoulou E, Ivovic A, Park-Min KH, Siegel RM, Ivashkiv LB. Insights into rheumatic diseases from next-generation sequencing. Nat Rev Rheumatol 2019; 15:327-339. [PMID: 31000790 PMCID: PMC6673602 DOI: 10.1038/s41584-019-0217-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Rheumatic diseases have complex aetiologies that are not fully understood, which makes the study of pathogenic mechanisms in these diseases a challenge for researchers. Next-generation sequencing (NGS) and related omics technologies, such as transcriptomics, epigenomics and genomics, provide an unprecedented genome-wide view of gene expression, environmentally responsive epigenetic changes and genetic variation. The integrated application of NGS technologies to samples from carefully phenotyped clinical cohorts of patients has the potential to solve remaining mysteries in the pathogenesis of several rheumatic diseases, to identify new therapeutic targets and to underpin a precision medicine approach to the diagnosis and treatment of rheumatic diseases. This Review provides an overview of the NGS technologies available, showcases important advances in rheumatic disease research already powered by these technologies and highlights NGS approaches that hold particular promise for generating new insights and advancing the field.
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Affiliation(s)
- Laura T Donlin
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Sung-Ho Park
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
| | - Eugenia Giannopoulou
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
- Biological Sciences Department, New York City College of Technology, City University of New York, New York, NY, USA
| | - Aleksandra Ivovic
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Kyung-Hyun Park-Min
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA
| | - Richard M Siegel
- Immunoregulation Section, Autoimmunity Branch, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Lionel B Ivashkiv
- Arthritis and Tissue Degeneration Program, Hospital for Special Surgery, New York, NY, USA.
- David Z. Rosensweig Genomics Research Center, Hospital for Special Surgery, New York, NY, USA.
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
- Immunology and Microbial Pathogenesis Program, Weill Cornell Graduate School of Medical Sciences, New York, NY, USA.
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28
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Zhang Z, Shi L, Song L, Maurer K, Petri MA, Sullivan KE. Overall Downregulation of mRNAs and Enrichment of H3K4me3 Change Near Genome-Wide Association Study Signals in Systemic Lupus Erythematosus: Cell-Specific Effects. Front Immunol 2018; 9:497. [PMID: 29593737 PMCID: PMC5859352 DOI: 10.3389/fimmu.2018.00497] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Accepted: 02/26/2018] [Indexed: 01/09/2023] Open
Abstract
This study was designed to define gene expression and H3K4me3 histone modifications in T cells, B cells, and monocytes in systemic lupus erythematosus (SLE). Array studies of total peripheral blood mononuclear cells have demonstrated gene expression signatures related to neutrophils, interferon, and other inflammatory pathways. It is not clear how consistent these effects are across different cell types. In this study, RNA-seq and chromatin immunoprecipitation-seq were utilized to identify gene expression patterns and H3K4me3 histone modifications related to promoter activation in SLE. Across the three cell types, there was 55% concordance for gene expression changes related to SLE. Key conserved pathways were ribosome biogenesis among upregulated genes and heat shock response among downregulated genes. ETS family transcription factors (TFs) and STAT1 were revealed as common regulators by position weight matrices. When epigenetic changes were leveraged with gene expression, the pivotal TFs ATF3 and FOS were defined with ATF3 also cross-referencing with gene expression-identified TFs. Genome-wide association study (GWAS) single nucleotide polymorphisms associated with SLE were cross-referenced with both mRNA and H3K4me3 changes in SLE. Baseline mRNA expression and H3K4me3 peak height was higher at sites that cross-referenced with GWAS signals, however, all three cell types exhibited an overall decrease in expression of GWAS-associated RNAs differentially expressed in SLE. H3K4me3 changes in SLE were also enriched in GWAS-associated sites. In summary, the SLE disease process is associated with both shared and cell-specific changes in gene expression and epigenetics. Surprisingly, GWAS-associated RNAs were overall markedly decreased across all three cell types. TF analysis identified ATF3, FOS, STAT1, and ETS family members as critical, all pathways with a recognized relationship to the SLE disease process. GWAS signals clearly mark both cell-type specific changes in SLE as well as concordant changes across all three cell types. Interpretation of single nucleotide polymorphism effects in SLE will require tissue-specific mechanistic studies and therapeutics will require mechanistic studies in multiple cell types.
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Affiliation(s)
- Zhe Zhang
- The Center for Biomedical Informatics, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Lihua Shi
- The Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Li Song
- The Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Kelly Maurer
- The Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
| | - Michele A Petri
- Division of Rheumatology, Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Kathleen E Sullivan
- The Division of Allergy Immunology, The Children's Hospital of Philadelphia, Philadelphia, PA, United States
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29
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Arts RJW, Joosten LAB, Netea MG. The Potential Role of Trained Immunity in Autoimmune and Autoinflammatory Disorders. Front Immunol 2018. [PMID: 29515591 PMCID: PMC5826224 DOI: 10.3389/fimmu.2018.00298] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
During induction of trained immunity, monocytes and macrophages undergo a functional and transcriptional reprogramming toward increased activation. Important rewiring of cellular metabolism of the myeloid cells takes place during induction of trained immunity, including a shift toward glycolysis induced through the mTOR pathway, as well as glutaminolysis and cholesterol synthesis. Subsequently, this leads to modulation of the function of epigenetic enzymes, resulting in important changes in chromatin architecture that enables increased gene transcription. However, in addition to the beneficial effects of trained immunity as a host defense mechanism, we hypothesize that trained immunity also plays a deleterious role in the induction and/or maintenance of autoimmune and autoinflammatory diseases if inappropriately activated.
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Affiliation(s)
- Rob J W Arts
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, Netherlands
| | - Leo A B Joosten
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, Netherlands.,Department of Medical Genetics, Iuliu Haţieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihai G Netea
- Department of Internal Medicine, Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, Netherlands.,Department for Genomics and Immunoregulation, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany
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30
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Li H, Lu H, Tang W, Zuo J. Targeting methionine cycle as a potential therapeutic strategy for immune disorders. Expert Opin Ther Targets 2017; 21:1-17. [PMID: 28829212 DOI: 10.1080/14728222.2017.1370454] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
INTRODUCTION Methionine cycle plays an essential role in regulating many cellular events, especially transmethylation reactions, incorporating the methyl donor S-adenosylmethionine (SAM). The transmethylations and substances involved in the cycle have shown complicated effects and mechanisms on immunocytes developments and activations, and exert crucial impacts on the pathological processes in immune disorders. Areas covered: Methionine cycle has been considered as an effective means of drug developments. This review discussed the role of methionine cycle in immune responses and summarized the potential therapeutic strategies based on the cycle, including SAM analogs, methyltransferase inhibitors, S-adenosylhomocysteine hydrolase (SAHH) inhibitors, adenosine receptors specific agonists or antagonists and homocysteine (Hcy)-lowering reagents, in treating human immunodeficiency virus (HIV) infections, systemic lupus erythematosus (SLE), rheumatoid arthritis (RA), multiple sclerosis (MS), systemic sclerosis (SSc) and other immune disorders. Expert opinion: New targets and biomarkers grown out of methionine cycle have developed rapidly in the past decades. However, impacts of epigenetic regulations on immune disorders are unclear and whether the substances in methionine cycle can be clarified as biomarkers remains controversial. Therefore, further elucidation on the role of epigenetic regulations and substances in methionine cycle may contribute to exploring the cycle-derived biomarkers and drugs in immune disorders.
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Affiliation(s)
- Heng Li
- a Laboratory of Immunopharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai , China
- b College of Pharmacy , University of Chinese Academy of Sciences , Beijing , China
| | - Huimin Lu
- a Laboratory of Immunopharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai , China
- b College of Pharmacy , University of Chinese Academy of Sciences , Beijing , China
| | - Wei Tang
- a Laboratory of Immunopharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai , China
- b College of Pharmacy , University of Chinese Academy of Sciences , Beijing , China
| | - Jianping Zuo
- a Laboratory of Immunopharmacology, State Key Laboratory of Drug Research , Shanghai Institute of Materia Medica, Chinese Academy of Sciences , Shanghai , China
- b College of Pharmacy , University of Chinese Academy of Sciences , Beijing , China
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31
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Type I interferons and the cytokine TNF cooperatively reprogram the macrophage epigenome to promote inflammatory activation. Nat Immunol 2017; 18:1104-1116. [PMID: 28825701 PMCID: PMC5605457 DOI: 10.1038/ni.3818] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 07/28/2017] [Indexed: 12/14/2022]
Abstract
Cross-regulation of Toll-like receptor responses by cytokines is
essential for effective host defense, avoidance of toxicity, and homeostasis,
but the underlying mechanisms are not well understood. A comprehensive
epigenomic approach in human macrophages showed that the proinflammatory
cytokines TNF and type I IFNs induce transcriptional cascades that alter
chromatin states to broadly reprogram TLR4-induced responses. TNF tolerized
inflammatory genes to prevent toxicity, while preserving antiviral and metabolic
gene induction. Type I IFNs potentiated TNF inflammatory function by priming
chromatin to prevent silencing of inflammatory NF-κB target genes.
Priming of chromatin enabled robust transcriptional responses to weak upstream
signals. Similar chromatin regulation occurred in human diseases. Our findings
reveal that signaling crosstalk between IFNs and TNF is integrated at the level
of chromatin to reprogram inflammatory responses, and identify new functions and
mechanisms of action of these cytokines.
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32
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Foma AM, Aslani S, Karami J, Jamshidi A, Mahmoudi M. Epigenetic involvement in etiopathogenesis and implications in treatment of systemic lupus erythematous. Inflamm Res 2017; 66:1057-1073. [DOI: 10.1007/s00011-017-1082-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Revised: 06/22/2017] [Accepted: 07/13/2017] [Indexed: 10/19/2022] Open
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Shii L, Song L, Maurer K, Zhang Z, Sullivan KE. SERPINB2 is regulated by dynamic interactions with pause-release proteins and enhancer RNAs. Mol Immunol 2017; 88:20-31. [PMID: 28578223 DOI: 10.1016/j.molimm.2017.05.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 05/03/2017] [Accepted: 05/04/2017] [Indexed: 01/08/2023]
Abstract
The SERPINB2 gene is strongly upregulated in inflammatory states. In monocytes, it can constitute up to 1% of total cellular protein. It functions in protection from proteotoxic stress and plays a role in angioedema. The purpose of this study was to define the roles of enhancer RNAs embedded in the SERPIN gene complex. We found that the upstream enhancer RNAs upregulated SERPINB2 and the enhancer RNAs were expressed prior to those of SERPINB2 mRNA. Studies of the SERPINB2 promoter demonstrated the presence of an RNA polymerase II pause-inducing protein, NELF. Stimulation with LPS led to recruitment of the pause-releasing kinase P-TEFb and departure of the pause-inducing protein NELF. RNA immunoprecipitation revealed that NELF and the CDK9 component of P-TEFb bound to the enhancer RNAs after stimulation with distinct kinetics. Knock-down of the enhancer RNAs compromised stimulus induction of promoter and enhancer chromatin changes. Conversely, over-expression was associated with enhanced recruitment of c-JUN and increased expression of SERPINB2 mRNA expression. This study is the first to associate enhancer RNAs with SERPINB2 and is the first demonstration of acquisition of NELF binding by enhancer RNAs on chromatin.
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Affiliation(s)
- Lihua Shii
- The Division of Allergy Immunology at The Children's Hospital of Philadelphia, 3615 Civic Center Blvd., Philadelphia, PA 19104, USA.
| | - Li Song
- The Division of Allergy Immunology at The Children's Hospital of Philadelphia, 3615 Civic Center Blvd., Philadelphia, PA 19104, USA.
| | - Kelly Maurer
- The Division of Allergy Immunology at The Children's Hospital of Philadelphia, 3615 Civic Center Blvd., Philadelphia, PA 19104, USA.
| | - Zhe Zhang
- The Department of Biomedical and Health informatics at the Children's Hospital of Philadelphia, 3535 Market St., Philadelphia, PA 19104, USA.
| | - Kathleen E Sullivan
- The Division of Allergy Immunology at The Children's Hospital of Philadelphia, 3615 Civic Center Blvd., Philadelphia, PA 19104, USA.
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34
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Ye J, Wu W, Li Y, Li L. Influences of the Gut Microbiota on DNA Methylation and Histone Modification. Dig Dis Sci 2017; 62:1155-1164. [PMID: 28341870 DOI: 10.1007/s10620-017-4538-6] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 03/09/2017] [Indexed: 12/12/2022]
Abstract
The gut microbiota is a vast ensemble of microorganisms inhabiting the mammalian gastrointestinal tract that can impact physiologic and pathologic processes. However, our understanding of the underlying mechanism for the dynamic interaction between host and gut microbiota is still in its infancy. The highly evolved epigenetic modifications allow hosts to reprogram the genome in response to environmental stimuli, which may play a key role in triggering multiple human diseases. In spite of increasing studies in gut microbiota and epigenetic modifications, the correlation between them has not been well elaborated. Here, we review current knowledge of gut microbiota impacts on epigenetic modifications, the major evidence of which centers on DNA methylation and histone modification of the immune system.
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Affiliation(s)
- Jianzhong Ye
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, 310003, China
| | - Wenrui Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, 310003, China
| | - Yating Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, 310003, China
| | - Lanjuan Li
- State Key Laboratory for Diagnosis and Treatment of Infectious Disease, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310003, China.
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, 310003, China.
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35
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Hui-Yuen JS, Zhu L, Wong LP, Jiang K, Chen Y, Liu T, Jarvis JN. Chromatin landscapes and genetic risk in systemic lupus. Arthritis Res Ther 2016; 18:281. [PMID: 27906046 PMCID: PMC5134118 DOI: 10.1186/s13075-016-1169-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Accepted: 11/02/2016] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Systemic lupus erythematosus (SLE) is a multi-system, complex disease in which the environment interacts with inherited genes to produce broad phenotypes with inter-individual variability. Of 46 single nucleotide polymorphisms (SNPs) shown to confer genetic risk for SLE in recent genome-wide association studies, 30 lie within noncoding regions of the human genome. We therefore sought to identify and describe the functional elements (aside from genes) located within these regions of interest. METHODS We used chromatin immunoprecipitation followed by sequencing to identify epigenetic marks associated with enhancer function in adult neutrophils to determine whether enhancer-associated histone marks were enriched within the linkage disequilibrium (LD) blocks encompassing the 46 SNPs of interest. We also interrogated available data in Roadmap Epigenomics for CD4+ T cells and CD19+ B cells to identify these same elements in lymphoid cells. RESULTS All three cell types demonstrated enrichment of enhancer-associated histone marks compared with genomic background within LD blocks encoded by SLE-associated SNPs. In addition, within the promoter regions of these LD blocks, all three cell types demonstrated enrichment for transcription factor binding sites above genomic background. In CD19+ B cells, all but one of the LD blocks of interest were also enriched for enhancer-associated histone marks. CONCLUSIONS Much of the genetic risk for SLE lies within or near genomic regions of disease-relevant cells that are enriched for epigenetic marks associated with enhancer function. Elucidating the specific roles of these noncoding elements within these cell-type-specific genomes will be crucial to our understanding of SLE pathogenesis.
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Affiliation(s)
- Joyce S. Hui-Yuen
- Division of Pediatric Rheumatology, Steven and Alexandra Cohen Children’s Medical Center, 1991 Marcus Avenue, Suite M100, Lake Success, NY 11042 USA
- Department of Pediatrics, Hofstra-Northwell School of Medicine, Hempstead, NY 11549 USA
| | - Lisha Zhu
- Department of Biochemistry, University at Buffalo, Buffalo, NY 14203 USA
| | - Lai Ping Wong
- Department of Pediatrics, University at Buffalo, Buffalo, NY 14203 USA
| | - Kaiyu Jiang
- Department of Pediatrics, University at Buffalo, Buffalo, NY 14203 USA
| | - Yanmin Chen
- Department of Pediatrics, University at Buffalo, Buffalo, NY 14203 USA
| | - Tao Liu
- Department of Biochemistry, and Genetics, Genomics, and Bioinformatics Program, University at Buffalo, Buffalo, NY 14203 USA
| | - James N. Jarvis
- Genetics, Genomics, and Bioinformatics Program, University at Buffalo, Buffalo, NY 14203 USA
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36
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Bayarsaihan D. A central role of H3K4me3 extended chromatin domains in gene regulation. Epigenomics 2016; 8:1011-4. [PMID: 27410771 DOI: 10.2217/epi-2016-0062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Dashzeveg Bayarsaihan
- Institute for Systems Genomics, Center for Regenerative Medicine & Skeletal Development, University of Connecticut Health Center, 263 Farmington Avenue, Farmington, CT 06030, USA
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37
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Long H, Yin H, Wang L, Gershwin ME, Lu Q. The critical role of epigenetics in systemic lupus erythematosus and autoimmunity. J Autoimmun 2016; 74:118-138. [PMID: 27396525 DOI: 10.1016/j.jaut.2016.06.020] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Accepted: 06/29/2016] [Indexed: 02/09/2023]
Abstract
One of the major disappointments in human autoimmunity has been the relative failure on genome-wide association studies to provide "smoking genetic guns" that would explain the critical role of genetic susceptibility to loss of tolerance. It is well known that autoimmunity refers to the abnormal state that the dysregulated immune system attacks the healthy cells and tissues due to the loss of immunological tolerance to self-antigens. Its clinical outcomes are generally characterized by the presence of autoreactive immune cells and (or) the development of autoantibodies, leading to various types of autoimmune disorders. The etiology and pathogenesis of autoimmune diseases are highly complex. Both genetic predisposition and environmental factors such as nutrition, infection, and chemicals are implicated in the pathogenic process of autoimmunity, however, how much and by what mechanisms each of these factors contribute to the development of autoimmunity remain unclear. Epigenetics, which refers to potentially heritable changes in gene expression and function that do not involve alterations of the DNA sequence, has provided us with a brand new key to answer these questions. In the recent decades, increasing evidence have demonstrated the roles of epigenetic dysregulation, including DNA methylation, histone modification, and noncoding RNA, in the pathogenesis of autoimmune diseases, especially systemic lupus erythematosus (SLE), which have shed light on a new era for autoimmunity research. Notably, DNA hypomethylation and reactivation of the inactive X chromosome are two epigenetic hallmarks of SLE. We will herein discuss briefly how genetic studies fail to completely elucidate the pathogenesis of autoimmune diseases and present a comprehensive review on landmark epigenetic findings in autoimmune diseases, taking SLE as an extensively studied example. The epigenetics of other autoimmune diseases such as rheumatic arthritis, systemic sclerosis and primary biliary cirrhosis will also be summarized. Importantly we emphasize that the stochastic processes that lead to DNA modification may be the lynch pins that drive the initial break in tolerance.
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Affiliation(s)
- Hai Long
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China
| | - Heng Yin
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China
| | - Ling Wang
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - M Eric Gershwin
- Division of Rheumatology, Allergy, and Clinical Immunology, University of California at Davis, Davis, CA, USA
| | - Qianjin Lu
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China.
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38
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Yan H, Tian S, Slager SL, Sun Z. ChIP-seq in studying epigenetic mechanisms of disease and promoting precision medicine: progresses and future directions. Epigenomics 2016; 8:1239-58. [PMID: 27319740 DOI: 10.2217/epi-2016-0053] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Chromatin immunoprecipitation followed by sequencing (ChIP-seq) is widely used for mapping histone modifications, histone proteins, chromatin regulators, transcription factors and other DNA-binding proteins. It has played a significant role in our understanding of disease mechanisms and in exploring epigenetic changes for potential clinical applications. However, the conventional protocol requires large amounts of starting material and does not quantify the actual occupancy, limiting its applications in clinical settings. Herein we summarize the latest progresses in utilizing ChIP-seq to link epigenetic alterations to disease initiation and progression, and the implications in precision medicine. We provide an update on the newly developed ChIP-seq protocols, especially those suitable for scare clinical samples. Technical and analytical challenges are outlined together with recommendations for improvement. Finally, future directions in expediting ChIP-seq use in clinic are discussed.
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Affiliation(s)
- Huihuang Yan
- Division of Biomedical Statistics & Informatics, Department of Health Sciences Research, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA
| | - Shulan Tian
- Division of Biomedical Statistics & Informatics, Department of Health Sciences Research, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA
| | - Susan L Slager
- Division of Biomedical Statistics & Informatics, Department of Health Sciences Research, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA
| | - Zhifu Sun
- Division of Biomedical Statistics & Informatics, Department of Health Sciences Research, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA
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