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Graves D, Akkerman N, Fulham L, Helwer R, Pelka P. Molecular insights into type I interferon suppression and enhanced pathogenicity by species B human adenoviruses B7 and B14. mBio 2024:e0103824. [PMID: 38940561 DOI: 10.1128/mbio.01038-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Accepted: 05/22/2024] [Indexed: 06/29/2024] Open
Abstract
Human adenoviruses (HAdVs) are small DNA viruses that generally cause mild disease. Certain strains, particularly those belonging to species B HAdVs, can cause severe pneumonia and have a relatively high mortality rate. Little is known about the molecular aspects of how these highly pathogenic species affect the infected cell and how they suppress innate immunity. The present study provides molecular insights into how species B adenoviruses suppress the interferon signaling pathway. Our study shows that these viruses, unlike HAdV-C2, are resistant to type I interferon. This resistance likely arises due to the highly efficient suppression of interferon-stimulated gene expression. Unlike in HAdV-C2, HAdV-B7 and B14 sequester STAT2 and RNA polymerase II from interferon-stimulated gene promoters in infected cells. This results in suppressed interferon- stimulated gene activation. In addition, we show that RuvBL1 and RuvBL2, cofactors important for RNA polymerase II recruitment to promoters and interferon-stimulated gene activation, are redirected to the cytoplasm forming high molecular weight complexes that, likely, are unable to associate with chromatin. Proteomic analysis also identified key differences in the way these viruses affect the host cell, providing insights into species B-associated high pathogenicity. Curiously, we observed that at the level of protein expression changes to the infected cell, HAdV-C2 and B7 were more similar than those of the same species, B7 and B14. Collectively, our study represents the first such study of innate immune suppression by the highly pathogenic HAdV-B7 and B14, laying an important foundation for future investigations.IMPORTANCEHuman adenoviruses form a large family of double-stranded DNA viruses known for a variety of usually mild diseases. Certain strains of human adenovirus cause severe pneumonia leading to much higher mortality and morbidity than most other strains. The reasons for this enhanced pathogenicity are unknown. Our study provides a molecular investigation of how these highly pathogenic strains might inactivate the interferon signaling pathway, highlighting the lack of sensitivity of these viruses to type I interferon in general while providing a global picture of how viral changes in cellular proteins drive worse disease outcomes.
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Affiliation(s)
- Drayson Graves
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Nikolas Akkerman
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Lauren Fulham
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Rafe Helwer
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Peter Pelka
- Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada
- Department of Medical Microbiology and Infectious Diseases, University of Manitoba, Winnipeg, Manitoba, Canada
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Xiong F, Wang D, Xiong W, Wang X, Huang WH, Wu GH, Liu WZ, Wang Q, Chen JS, Kuai YY, Wang B, Chen YJ. Unveiling the role of HP1α-HDAC1-STAT1 axis as a therapeutic target for HP1α-positive intrahepatic cholangiocarcinoma. J Exp Clin Cancer Res 2024; 43:152. [PMID: 38812060 PMCID: PMC11137995 DOI: 10.1186/s13046-024-03070-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 05/17/2024] [Indexed: 05/31/2024] Open
Abstract
BACKGROUND Intrahepatic cholangiocarcinoma (ICCA) is a heterogeneous group of malignant tumors characterized by high recurrence rate and poor prognosis. Heterochromatin Protein 1α (HP1α) is one of the most important nonhistone chromosomal proteins involved in transcriptional silencing via heterochromatin formation and structural maintenance. The effect of HP1α on the progression of ICCA remained unclear. METHODS The effect on the proliferation of ICCA was detected by experiments in two cell lines and two ICCA mouse models. The interaction between HP1α and Histone Deacetylase 1 (HDAC1) was determined using Electrospray Ionization Mass Spectrometry (ESI-MS) and the binding mechanism was studied using immunoprecipitation assays (co-IP). The target gene was screened out by RNA sequencing (RNA-seq). The occupation of DNA binding proteins and histone modifications were predicted by bioinformatic methods and evaluated by Cleavage Under Targets and Tagmentation (CUT & Tag) and Chromatin immunoprecipitation (ChIP). RESULTS HP1α was upregulated in intrahepatic cholangiocarcinoma (ICCA) tissues and regulated the proliferation of ICCA cells by inhibiting the interferon pathway in a Signal Transducer and Activator of Transcription 1 (STAT1)-dependent manner. Mechanistically, STAT1 is transcriptionally regulated by the HP1α-HDAC1 complex directly and epigenetically via promoter binding and changes in different histone modifications, as validated by high-throughput sequencing. Broad-spectrum HDAC inhibitor (HDACi) activates the interferon pathway and inhibits the proliferation of ICCA cells by downregulating HP1α and targeting the heterodimer. Broad-spectrum HDACi plus interferon preparation regimen was found to improve the antiproliferative effects and delay ICCA development in vivo and in vitro, which took advantage of basal activation as well as direct activation of the interferon pathway. HP1α participates in mediating the cellular resistance to both agents. CONCLUSIONS HP1α-HDAC1 complex influences interferon pathway activation by directly and epigenetically regulating STAT1 in transcriptional level. The broad-spectrum HDACi plus interferon preparation regimen inhibits ICCA development, providing feasible strategies for ICCA treatment. Targeting the HP1α-HDAC1-STAT1 axis is a possible strategy for treating ICCA, especially HP1α-positive cases.
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Affiliation(s)
- Fei Xiong
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University Beijing, Beijing, 100050, China
| | - Da Wang
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Wei Xiong
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
| | - Xin Wang
- Departement of Pediatric Surgery, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei, 430016, China
| | - Wen-Hua Huang
- Department of Emergency, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430074, China
| | - Guan-Hua Wu
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Wen-Zheng Liu
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Qi Wang
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Jun-Sheng Chen
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Yi-Yang Kuai
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China
| | - Bing Wang
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China.
| | - Yong-Jun Chen
- Department of Biliary‑Pancreatic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, No.1095 Jiefang Road, Wuhan, Hubei, 430074, China.
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Chen H, Fu X, Wu X, Zhao J, Qiu F, Wang Z, Wang Z, Chen X, Xie D, Huang J, Fan J, Yang X, Song Y, Li J, He D, Xiao G, Lu A, Liang C. Gut microbial metabolite targets HDAC3-FOXK1-interferon axis in fibroblast-like synoviocytes to ameliorate rheumatoid arthritis. Bone Res 2024; 12:31. [PMID: 38782893 PMCID: PMC11116389 DOI: 10.1038/s41413-024-00336-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Revised: 03/18/2024] [Accepted: 04/07/2024] [Indexed: 05/25/2024] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease. Early studies hold an opinion that gut microbiota is environmentally acquired and associated with RA susceptibility. However, accumulating evidence demonstrates that genetics also shape the gut microbiota. It is known that some strains of inbred laboratory mice are highly susceptible to collagen-induced arthritis (CIA), while the others are resistant to CIA. Here, we show that transplantation of fecal microbiota of CIA-resistant C57BL/6J mice to CIA-susceptible DBA/1J mice confer CIA resistance in DBA/1J mice. C57BL/6J mice and healthy human individuals have enriched B. fragilis than DBA/1J mice and RA patients. Transplantation of B. fragilis prevents CIA in DBA/1J mice. We identify that B. fragilis mainly produces propionate and C57BL/6J mice and healthy human individuals have higher level of propionate. Fibroblast-like synoviocytes (FLSs) in RA are activated to undergo tumor-like transformation. Propionate disrupts HDAC3-FOXK1 interaction to increase acetylation of FOXK1, resulting in reduced FOXK1 stability, blocked interferon signaling and deactivation of RA-FLSs. We treat CIA mice with propionate and show that propionate attenuates CIA. Moreover, a combination of propionate with anti-TNF etanercept synergistically relieves CIA. These results suggest that B. fragilis or propionate could be an alternative or complementary approach to the current therapies.
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Affiliation(s)
- Hongzhen Chen
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
| | - Xuekun Fu
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China
| | - Xiaohao Wu
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Division of Immunology and Rheumatology, Stanford University, Stanford, CA, 94305, USA
- VA Palo Alto Health Care System, Palo Alto, CA, 94304, USA
| | - Junyi Zhao
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
| | - Fang Qiu
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China
| | - Zhenghong Wang
- Institute of Plant and Food Science, Department of Biology, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zhuqian Wang
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China
| | - Xinxin Chen
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
| | - Duoli Xie
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China
| | - Jie Huang
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China
| | - Junyu Fan
- Department of Rheumatology, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xu Yang
- Department of Computational Biology, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Yi Song
- Institute of Plant and Food Science, Department of Biology, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Jie Li
- Department of Laboratory Medicine, Peking University Shenzhen Hospital, Shenzhen, China
| | - Dongyi He
- Department of Rheumatology, Guanghua Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China.
| | - Aiping Lu
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China.
- Guangdong-Hong Kong-Macau Joint Lab on Chinese Medicine and Immune Disease Research, Guangzhou, 510006, China.
- Shanghai University of Traditional Chinese Medicine, Shanghai, 200032, China.
| | - Chao Liang
- Department of Systems Biology, School of Life Sciences, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, 518055, China.
- Institute of Integrated Bioinfomedicine and Translational Science (IBTS), School of Chinese Medicine, Hong Kong Baptist University, Hong Kong SAR, 999077, China.
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, 100850, Beijing, China.
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Lu Y, Zhao Y, Gao C, Suresh S, Men J, Sawyers A, Smith GL. HDAC5 enhances IRF3 activation and is targeted for degradation by protein C6 from orthopoxviruses including Monkeypox virus and Variola virus. Cell Rep 2024; 43:113788. [PMID: 38461415 DOI: 10.1016/j.celrep.2024.113788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 12/18/2023] [Accepted: 01/26/2024] [Indexed: 03/12/2024] Open
Abstract
Histone deacetylases (HDACs) regulate gene expression and innate immunity. Previously, we showed that HDAC5 is degraded during Vaccinia virus (VACV) infection and is a restriction factor for VACV and herpes simplex virus type 1. Here, we report that HDAC5 promotes interferon regulatory factor 3 (IRF3) activation downstream of Toll-IL-1 receptor (TIR) domain-containing adaptor molecule-1 or Sendai virus-mediated stimulation without requiring HDAC activity. Loss of HDAC5-mediated IRF3 activation is restored by re-introduction of HDAC5 but not HDAC1 or HDAC4. The antiviral activity of HDAC5 is antagonized by VACV protein C6 and orthologs from the orthopoxviruses cowpox, rabbitpox, camelpox, monkeypox, and variola. Infection by many of these viruses induces proteasomal degradation of HDAC5, and expression of C6 alone can induce HDAC5 degradation. Mechanistically, C6 binds to the dimerization domain of HDAC5 and prevents homodimerization and heterodimerization with HDAC4. Overall, this study describes HDAC5 as a positive regulator of IRF3 activation and provides mechanistic insight into how the poxviral protein C6 binds to HDAC5 to antagonize its function.
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Affiliation(s)
- Yongxu Lu
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK; Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK; Chinese Academy of Medical Sciences-Oxford Institute, University of Oxford, Oxford, UK.
| | - Yiqi Zhao
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK; Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK; Chinese Academy of Medical Sciences-Oxford Institute, University of Oxford, Oxford, UK
| | - Chen Gao
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Shreehari Suresh
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Jinghao Men
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Amelia Sawyers
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK
| | - Geoffrey L Smith
- Department of Pathology, University of Cambridge, Tennis Court Road, Cambridge CB2 1QP, UK; Sir William Dunn School of Pathology, University of Oxford, South Parks Road, Oxford OX1 3RE, UK; The Pirbright Institute, Surrey, UK; Chinese Academy of Medical Sciences-Oxford Institute, University of Oxford, Oxford, UK.
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5
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Duan JL, Wang CC, Yuan Y, Hui Z, Zhang H, Mao ND, Zhang P, Sun B, Lin J, Zhang Z, Gao Y, Xie T, Ye XY. Design, Synthesis, and Structure-Activity Relationship of Novel Pyridazinone-Based PARP7/HDACs Dual Inhibitors for Elucidating the Relationship between Antitumor Immunity and HDACs Inhibition. J Med Chem 2024. [PMID: 38456618 DOI: 10.1021/acs.jmedchem.4c00090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Histone deacetylases (HDACs) inhibitors such as vorinostat (SAHA) has been used to treat hematologic malignancies (rather than solid tumors) and have been found to suppress the JAK/STAT, a critical signal pathway for antitumor immunity, while PARP7 inhibitor RBN-2397 could activate the type I interferons (IFN-I) pathway, facilitating downstream effects such as STAT1 phosphorylation and immune activation. To elucidate whether simultaneous inhibition of these two targets could interfere with these two signal pathways, a series of pyridazinone-based PARP7/HDACs dual inhibitors have been designed, synthesized, and evaluated 7 inhibitor RBN-2397 could activate the type I interferons (IFN-I) pathway, facilitating downstream effects such as STAT1 phosphorylation and immune activation. To elucidate whether simultaneous inhibition of these two targets could interfere with these two signal pathways, a series of pyridazinone-based PARP7/HDACs dual inhibitors have been designed, synthesized, and evaluated in vitro and in vivo experiments. Compound 9l was identified as a potent and balanced dual inhibitor for the first time, exhibiting excellent antitumor capabilities both in vitro and in vivo. This suggests that 9l can be used as a valuable tool molecule for investigating the relationship between anticancer immunity and HDAC inhibition.
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Affiliation(s)
- Ji-Long Duan
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Chen-Chen Wang
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Yinghui Yuan
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Zi Hui
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Hang Zhang
- School of Basic Medical Science, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Nian-Dong Mao
- College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Pengpeng Zhang
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Bowen Sun
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Jing Lin
- Drug Discovery, Hangzhou Haolu Pharma Ltd. Co., Hangzhou, Zhejiang 311121, China
| | - Zishuo Zhang
- School of Basic Medical Science, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Yuan Gao
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Institute of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200000, China
| | - Tian Xie
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xiang-Yang Ye
- School of Pharmacy, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
- Key Laboratory of Elemene Class Anti-Cancer Chinese Medicines; Engineering Laboratory of Development and Application of Traditional Chinese Medicines; Collaborative Innovation Center of Traditional Chinese Medicines of Zhejiang Province, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
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Cai Q, Sun N, Zhang Y, Wang J, Pan C, Chen Y, Li L, Li X, Liu W, Aliyari SR, Yang H, Cheng G. Interferon-stimulated gene PVRL4 broadly suppresses viral entry by inhibiting viral-cellular membrane fusion. Cell Biosci 2024; 14:23. [PMID: 38368366 PMCID: PMC10873969 DOI: 10.1186/s13578-024-01202-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 01/30/2024] [Indexed: 02/19/2024] Open
Abstract
BACKGROUND Viral infection elicits the type I interferon (IFN-I) response in host cells and subsequently inhibits viral infection through inducing hundreds of IFN-stimulated genes (ISGs) that counteract many steps in the virus life cycle. However, most of ISGs have unclear functions and mechanisms in viral infection. Thus, more work is required to elucidate the role and mechanisms of individual ISGs against different types of viruses. RESULTS Herein, we demonstrate that poliovirus receptor-like protein4 (PVRL4) is an ISG strongly induced by IFN-I stimulation and various viral infections. Overexpression of PVRL4 protein broadly restricts growth of enveloped RNA and DNA viruses, including vesicular stomatitis virus (VSV), herpes simplex virus 1 (HSV-1), influenza A virus (IAV) and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) whereas deletion of PVRL4 in host cells increases viral infections. Mechanistically, it suppresses viral entry by blocking viral-cellular membrane fusion through inhibiting endosomal acidification. The vivo studies demonstrate that Pvrl4-deficient mice were more susceptible to the infection of VSV and IAV. CONCLUSION Overall, our studies not only identify PVRL4 as an intrinsic broad-spectrum antiviral ISG, but also provide a candidate host-directed target for antiviral therapy against various viruses including SARS-CoV-2 and its variants in the future.
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Affiliation(s)
- Qiaomei Cai
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Nina Sun
- Department of Microbiology and State Key Laboratory for Diagnosis and Treatment of Infectious Diseases of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yurui Zhang
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Jingfeng Wang
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Chaohu Pan
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Yu Chen
- Clinical Microbiology and Immunology, Affiliated Hospital of Guizhou Medical University, Guiyang, 550004, Guizhou, China
| | - Lili Li
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Xiaorong Li
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China
| | - Wancheng Liu
- Department of Hematology, Qilu Hospital of Shandong University, Jinan, 250000, Shandong, China
| | - Saba R Aliyari
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, CA, 90095, USA
| | - Heng Yang
- National Key Laboratory of Immunity and Inflammation, Suzhou Institute of Systems Medicine, Chinese Academy of Medical Sciences & Peking Union Medical College, Suzhou, 215123, Jiangsu, China.
| | - Genhong Cheng
- Department of Microbiology, Immunology and Molecular Genetics, University of California, Los Angeles, CA, 90095, USA.
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McGuinness CB, White SR, Gray EV, Leonard MV, Teng Y, Shull AY. Nicotinic acetylcholine receptor CHRNA5 is overexpressed in head and neck squamous cell carcinoma patients with a recent tobacco smoking history. MICROPUBLICATION BIOLOGY 2024; 2024:10.17912/micropub.biology.001098. [PMID: 38371320 PMCID: PMC10873754 DOI: 10.17912/micropub.biology.001098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Figures] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 02/20/2024]
Abstract
Tobacco smoking is a major driver of head and neck squamous cell carcinoma (HNSCC) occurrence, and previous studies have shed light on the precise molecular alterations in tobacco-related HNSCCs when compared to HNSCCs associated with other risk factors (ex: human papillomavirus/HPV status). In this study, we analyzed the gene expression differences in HNSCC cases with a recent smoking history and revealed that the nicotinic acetylcholine receptor CHRNA5 is differentially overexpressed in smoking-related HNSCCs. CHRNA5 overexpression in these HNSCCs corresponds with a worse prognosis and is inversely correlated with an immune expression signature commonly associated with better prognosis. From these results, our study highlights the potential role of the nicotine-activated CHRNA5 receptor in HNSCC progression and corresponds with other recent reports highlighting the potential role of nicotine induction in promoting cancer progression.
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Affiliation(s)
| | - Sara R White
- Department of Biology, Presbyterian College, Clinton, South Carolina, United States
| | - Emma V Gray
- Department of Biology, Presbyterian College, Clinton, South Carolina, United States
| | - Margaret V Leonard
- Department of Biology, Presbyterian College, Clinton, South Carolina, United States
| | - Yong Teng
- Department of Hematology and Medical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia, United States
| | - Austin Y Shull
- Department of Biology, Presbyterian College, Clinton, South Carolina, United States
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Nakatake M, Kurosaki H, Nakamura T. Histone deacetylase inhibitor boosts anticancer potential of fusogenic oncolytic vaccinia virus by enhancing cell-cell fusion. Cancer Sci 2024; 115:600-610. [PMID: 38037288 PMCID: PMC10859623 DOI: 10.1111/cas.16032] [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: 07/22/2023] [Revised: 11/08/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023] Open
Abstract
Oncolytic viruses have two anticancer functions: direct oncolysis and elicitation of antitumor immunity. We previously developed a novel fusogenic oncolytic vaccinia virus (FUVAC) from a non-fusogenic vaccinia virus (VV) and, by remodeling the tumor immune microenvironment, we demonstrated that FUVAC induced stronger oncolysis and antitumor immune responses compared with non-fusogenic VV. These functions depend strongly on cell-cell fusion induction. However, FUVAC tends to have decreased fusion activity in cells with low virus replication efficacy. Therefore, another combination strategy was required to increase cell-cell fusion in these cells. Histone deacetylase (HDAC) inhibitors suppress the host virus defense response and promote viral replication. Therefore, in this study, we selected an HDAC inhibitor, trichostatin A (TSA), as the combination agent for FUVAC to enhance its fusion-based antitumor potential. TSA was added prior to FUVAC treatment of murine tumor B16-F10 and CT26 cells. TSA increased the replication of both FUVAC and parental non-fusogenic VV. Moreover, TSA enhanced cell-cell fusion and FUVAC cytotoxicity in these tumor cells in a dose-dependent manner. Transcriptome analysis revealed that TSA-treated tumors showed altered expression of cellular component-related genes, which may affect fusion tolerance. In a bilateral tumor-bearing mouse model, combination treatment of TSA and FUVAC significantly prolonged mouse survival compared with either treatment alone or in combination with non-fusogenic VV. Our findings demonstrate that TSA is a potent enhancer of cell-cell fusion efficacy of FUVAC.
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Affiliation(s)
- Motomu Nakatake
- Division of Genomic Medicine, Faculty of MedicineTottori UniversityYonagoJapan
| | - Hajime Kurosaki
- Division of Genomic Medicine, Faculty of MedicineTottori UniversityYonagoJapan
| | - Takafumi Nakamura
- Division of Genomic Medicine, Faculty of MedicineTottori UniversityYonagoJapan
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9
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Husain M. Influenza Virus Host Restriction Factors: The ISGs and Non-ISGs. Pathogens 2024; 13:127. [PMID: 38392865 PMCID: PMC10893265 DOI: 10.3390/pathogens13020127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/18/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
Influenza virus has been one of the most prevalent and researched viruses globally. Consequently, there is ample information available about influenza virus lifecycle and pathogenesis. However, there is plenty yet to be known about the determinants of influenza virus pathogenesis and disease severity. Influenza virus exploits host factors to promote each step of its lifecycle. In turn, the host deploys antiviral or restriction factors that inhibit or restrict the influenza virus lifecycle at each of those steps. Two broad categories of host restriction factors can exist in virus-infected cells: (1) encoded by the interferon-stimulated genes (ISGs) and (2) encoded by the constitutively expressed genes that are not stimulated by interferons (non-ISGs). There are hundreds of ISGs known, and many, e.g., Mx, IFITMs, and TRIMs, have been characterized to restrict influenza virus infection at different stages of its lifecycle by (1) blocking viral entry or progeny release, (2) sequestering or degrading viral components and interfering with viral synthesis and assembly, or (3) bolstering host innate defenses. Also, many non-ISGs, e.g., cyclophilins, ncRNAs, and HDACs, have been identified and characterized to restrict influenza virus infection at different lifecycle stages by similar mechanisms. This review provides an overview of those ISGs and non-ISGs and how the influenza virus escapes the restriction imposed by them and aims to improve our understanding of the host restriction mechanisms of the influenza virus.
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Affiliation(s)
- Matloob Husain
- Department of Microbiology and Immunology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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10
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Husain M. Influenza A Virus and Acetylation: The Picture Is Becoming Clearer. Viruses 2024; 16:131. [PMID: 38257831 PMCID: PMC10820114 DOI: 10.3390/v16010131] [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: 12/25/2023] [Revised: 01/11/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024] Open
Abstract
Influenza A virus (IAV) is one of the most circulated human pathogens, and influenza disease, commonly known as the flu, remains one of the most recurring and prevalent infectious human diseases globally. IAV continues to challenge existing vaccines and antiviral drugs via its ability to evolve constantly. It is critical to identify the molecular determinants of IAV pathogenesis to understand the basis of flu severity in different populations and design improved antiviral strategies. In recent years, acetylation has been identified as one of the determinants of IAV pathogenesis. Acetylation was originally discovered as an epigenetic protein modification of histones. But, it is now known to be one of the ubiquitous protein modifications of both histones and non-histone proteins and a determinant of proteome complexity. Since our first observation in 2007, significant progress has been made in understanding the role of acetylation during IAV infection. Now, it is becoming clearer that acetylation plays a pro-IAV function via at least three mechanisms: (1) by reducing the host's sensing of IAV infection, (2) by dampening the host's innate antiviral response against IAV, and (3) by aiding the stability and function of viral and host proteins during IAV infection. In turn, IAV antagonizes the host deacetylases, which erase acetylation, to facilitate its replication. This review provides an overview of the research progress made on this subject so far and outlines research prospects for the significance of IAV-acetylation interplay.
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Affiliation(s)
- Matloob Husain
- Department of Microbiology and Immunology, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
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11
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Li J, Zhai Y, Tang M. Integrative function of histone deacetylase 3 in inflammation. Mol Biol Rep 2024; 51:83. [PMID: 38183491 DOI: 10.1007/s11033-023-09077-x] [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: 07/14/2023] [Accepted: 10/11/2023] [Indexed: 01/08/2024]
Abstract
Inflammation is a complex biological response triggered when an organism encounters internal or external stimuli. These triggers activate various signaling pathways, leading to the release of numerous inflammatory mediators aimed at the affected tissue. Ensuring precision and avoiding the excessive activation, the inflammatory process is subject to tight regulation. Histone deacetylase 3 (HDAC3), a member of class I HDACs family, stands out for its significant role in modulating various inflammatory signaling, including Nuclear Factor kappa B (NF-κB) signaling, Mitogen-activated protein kinase (MAPK) signaling and Janus kinase/signal transduction and activator of transcription (JAK-STAT) signaling. In this review, we illuminate the intricate molecular mechanisms of HDAC3 across these inflammatory pathways. We emphasize its importance in orchestrating a balanced inflammatory response and highlight its promising potential as a therapeutic target.
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Affiliation(s)
- Junjie Li
- Institute of Biochemistry and Molecular Biology, Hengyang College of Medicine, University of South China, Changsheng West Road 28, Hengyang, 421001, China
| | - Yiyuan Zhai
- Institute of Biochemistry and Molecular Biology, Hengyang College of Medicine, University of South China, Changsheng West Road 28, Hengyang, 421001, China
| | - Min Tang
- Institute of Biochemistry and Molecular Biology, Hengyang College of Medicine, University of South China, Changsheng West Road 28, Hengyang, 421001, China.
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12
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Meleady L, Towriss M, Kim J, Bacarac V, Dang V, Rowland ME, Ciernia AV. Histone deacetylase 3 regulates microglial function through histone deacetylation. Epigenetics 2023; 18:2241008. [PMID: 37506371 PMCID: PMC10392760 DOI: 10.1080/15592294.2023.2241008] [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: 11/25/2022] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
As the primary innate immune cells of the brain, microglia respond to damage and disease through pro-inflammatory release of cytokines and neuroinflammatory molecules. Histone acetylation is an activating transcriptional mark that regulates inflammatory gene expression. Inhibition of histone deacetylase 3 (Hdac3) has been utilized in pre-clinical models of depression, stroke, and spinal cord injury to improve recovery following injury, but the molecular mechanisms underlying Hdac3's regulation of inflammatory gene expression in microglia is not well understood. To address this lack of knowledge, we examined how pharmacological inhibition of Hdac3 in an immortalized microglial cell line (BV2) impacted histone acetylation and gene expression of pro- and anti-inflammatory genes in response to immune challenge with lipopolysaccharide (LPS). Flow cytometry and cleavage under tags & release using nuclease (CUT & RUN) revealed that Hdac3 inhibition increases global and promoter-specific histone acetylation, resulting in the release of gene repression at baseline and enhanced responses to LPS. Hdac3 inhibition enhanced neuroprotective functions of microglia in response to LPS through reduced nitric oxide release and increased phagocytosis. The findings suggest Hdac3 serves as a regulator of microglial inflammation, and that inhibition of Hdac3 facilitates the microglial response to inflammation and its subsequent clearing of debris or damaged cells. Together, this work provides new mechanistic insights into therapeutic applications of Hdac3 inhibition which mediate reduced neuroinflammatory insults through microglial response.
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Affiliation(s)
- Laura Meleady
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
| | - Morgan Towriss
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
| | - Jennifer Kim
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Graduate Program in Neuroscience, University of British Columbia, Vancouver, Canada
| | - Vince Bacarac
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
| | - Vivien Dang
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
| | - Megan E. Rowland
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
| | - Annie Vogel Ciernia
- Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
- Department of Biochemistry and Molecular Biology, University of British Columbia, Vancouver, Canada
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13
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Qu M, Zhang H, Cheng P, Wubshet AK, Yin X, Wang X, Sun Y. Histone deacetylase 6's function in viral infection, innate immunity, and disease: latest advances. Front Immunol 2023; 14:1216548. [PMID: 37638049 PMCID: PMC10450946 DOI: 10.3389/fimmu.2023.1216548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/14/2023] [Indexed: 08/29/2023] Open
Abstract
In the family of histone-deacetylases, histone deacetylase 6 (HDAC6) stands out. The cytoplasmic class IIb histone deacetylase (HDAC) family is essential for many cellular functions. It plays a crucial and debatable regulatory role in innate antiviral immunity. This review summarises the current state of our understanding of HDAC6's structure and function in light of the three mechanisms by which it controls DNA and RNA virus infection: cytoskeleton regulation, host innate immune response, and autophagy degradation of host or viral proteins. In addition, we summed up how HDAC6 inhibitors are used to treat a wide range of diseases, and how its upstream signaling plays a role in the antiviral mechanism. Together, the findings of this review highlight HDAC6's importance as a new therapeutic target in antiviral immunity, innate immune response, and some diseases, all of which offer promising new avenues for the development of drugs targeting the immune response.
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Affiliation(s)
- Min Qu
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Huijun Zhang
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Pengyuan Cheng
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Ashenafi Kiros Wubshet
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
- Department of Basic and Diagnostic Sciences, College of Veterinary Science, Mekelle University, Mekelle, Tigray, Ethiopia
| | - Xiangping Yin
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Xiangwei Wang
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
| | - Yuefeng Sun
- State Key Laboratory for Animal Disease Control and Prevention, College of Veterinary Medicine, Lanzhou University, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou, China
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14
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Verstappen GM, Kroese FGM. A leading role for interferon as a treatment target in Sjögren syndrome. Nat Rev Rheumatol 2023; 19:468-469. [PMID: 37322372 DOI: 10.1038/s41584-023-00991-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Affiliation(s)
- Gwenny M Verstappen
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center, Groningen, Netherlands
| | - Frans G M Kroese
- Department of Rheumatology and Clinical Immunology, University of Groningen, University Medical Center, Groningen, Netherlands.
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15
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Sierra-Pagan JE, Dsouza N, Das S, Larson TA, Sorensen JR, Ma X, Stan P, Wanberg EJ, Shi X, Garry MG, Gong W, Garry DJ. FOXK1 regulates Wnt signalling to promote cardiogenesis. Cardiovasc Res 2023; 119:1728-1739. [PMID: 37036809 PMCID: PMC10325700 DOI: 10.1093/cvr/cvad054] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 01/23/2023] [Accepted: 02/01/2023] [Indexed: 04/11/2023] Open
Abstract
AIMS Congenital heart disease (CHD) is the most common genetic birth defect, which has considerable morbidity and mortality. We focused on deciphering key regulators that govern cardiac progenitors and cardiogenesis. FOXK1 is a forkhead/winged helix transcription factor known to regulate cell cycle kinetics and is restricted to mesodermal progenitors, somites, and heart. In the present study, we define an essential role for FOXK1 during cardiovascular development. METHODS AND RESULTS We used the mouse embryoid body system to differentiate control and Foxk1 KO embryonic stem cells into mesodermal, cardiac progenitor cells and mature cardiac cells. Using flow cytometry, immunohistochemistry, cardiac beating, transcriptional and chromatin immunoprecipitation quantitative polymerase chain reaction assays, bulk RNA sequencing (RNAseq) and assay for transposase-accessible chromatin using sequencing (ATACseq) analyses, FOXK1 was observed to be an important regulator of cardiogenesis. Flow cytometry analyses revealed perturbed cardiogenesis in Foxk1 KO embryoid bodies (EBs). Bulk RNAseq analysis at two developmental stages showed a significant reduction of the cardiac molecular program in Foxk1 KO EBs compared to the control EBs. ATACseq analysis during EB differentiation demonstrated that the chromatin landscape nearby known important regulators of cardiogenesis was significantly relaxed in control EBs compared to Foxk1 KO EBs. Furthermore, we demonstrated that in the absence of FOXK1, cardiac differentiation was markedly impaired by assaying for cardiac Troponin T expression and cardiac contractility. We demonstrate that FOXK1 is an important regulator of cardiogenesis by repressing the Wnt/β-catenin signalling pathway and thereby promoting differentiation. CONCLUSION These results identify FOXK1 as an essential transcriptional and epigenetic regulator of cardiovascular development. Mechanistically, FOXK1 represses Wnt signalling to promote the development of cardiac progenitor cells.
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Affiliation(s)
- Javier E Sierra-Pagan
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Nikita Dsouza
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Satyabrata Das
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Thijs A Larson
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Jacob R Sorensen
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Xiao Ma
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Patricia Stan
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Erik J Wanberg
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Xiaozhong Shi
- Department of Physiology, Basic Medical College, Nanchang University, Nanchang, Jiangxi 330006, China
| | - Mary G Garry
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
- Stem Cell Institute, University of Minnesota, 2001 6th Street SE Minneapolis, MN 55455, USA
- Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, 516 Delaware ST SE Minneapolis, MN 55455, USA
| | - Wuming Gong
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
| | - Daniel J Garry
- Cardiovascular Division, Department of Medicine, University of Minnesota, 401 East River ParkwayVCRC 1st Floor, Suite 131 Minneapolis, MN 55455, USA
- Stem Cell Institute, University of Minnesota, 2001 6th Street SE Minneapolis, MN 55455, USA
- Paul and Sheila Wellstone Muscular Dystrophy Center, University of Minnesota, 516 Delaware ST SE Minneapolis, MN 55455, USA
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16
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Yang P, Yuan Y, Sun Y, Lv B, Du H, Zhou Z, Yang Z, Liu X, Duan H, Shen C. The Host Protein CAD Regulates the Replication of FMDV through the Function of Pyrimidines' De Novo Synthesis. J Virol 2023; 97:e0036923. [PMID: 37162335 DOI: 10.1128/jvi.00369-23] [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: 05/11/2023] Open
Abstract
Foot-and-mouth disease virus (FMDV) is a single-stranded picornavirus that causes economically devastating disease in even-hooved animals. There has been little research on the function of host cells during FMDV infection. We aimed to shed light on key host factors associated with FMDV replication during acute infection. We found that HDAC1 overexpression in host cells induced upregulation of FMDV RNA and protein levels. Activation of the AKT-mammalian target of rapamycin (mTOR) signaling pathway using bpV(HOpic) or SC79 also promoted FMDV replication. Furthermore, short hairpin RNA (shRNA)-induced suppression of carbamoyl-phosphate synthetase 2, aspartate transcarbamylase, and dihydroorotase (CAD), a transcription factor downstream of the AKT-mTOR signaling pathway, resulted in downregulation of FMDV RNA and protein levels. Coimmunoprecipitation assays showed that the ACTase domain of CAD could interact with the FMDV 2C protein, suggesting that the ACTase domain of CAD may be critical in FMDV replication. CAD proteins participate in de novo pyrimidine synthesis. Inhibition of FMDV replication by deletion of the ACTase domain of CAD in host cells could be reversed by supplementation with uracil. These results revealed that the contribution of the CAD ACTase domain to FMDV replication is dependent on de novo pyrimidine synthesis. Our research shows that HDAC1 promotes FMDV replication by regulating de novo pyrimidine synthesis from CAD via the AKT-mTOR signaling pathway. IMPORTANCE Foot-and-mouth disease virus is an animal virus of the Picornaviridae family that seriously harms the development of animal husbandry and foreign trade of related products, and there is still a lack of effective means to control its harm. Replication complexes would generate during FMDV replication to ensure efficient replication cycles. 2C is a common viral protein in the replication complex of Picornaviridae virus, which is thought to be an essential component of membrane rearrangement and viral replication complex formation. The host protein CAD is a key protein in the pyrimidines de novo synthesis. In our research, the interaction of CAD and FMDV 2C was demonstrated in FMDV-infected BHK-21 cells, and it colocalized with 2C in the replication complex. The inhibition of the expression of FMDV 3D protein through interference with CAD and supplementation with exogenous pyrimidines reversed this inhibition, suggesting that FMDV might recruit CAD through the 2C protein to ensure pyrimidine supply during replication. In addition, we also found that FMDV infection decreased the expression of the host protein HDAC1 and ultimately inhibited CAD activity through the AKT-mTOR signaling pathway. These results revealed a unique means of counteracting the virus in BHK-21 cells lacking the interferon (IFN) signaling pathway. In conclusion, our study provides some potential targets for the development of drugs against FMDV.
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Affiliation(s)
- Pu Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Yuncong Yuan
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Yidan Sun
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Bonan Lv
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Hang Du
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Zhou Zhou
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Zhuang Yang
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Xuemei Liu
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Huimin Duan
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
| | - Chao Shen
- College of Life Sciences, Wuhan University, Wuhan, China
- China Center for Type Culture Collection, Wuhan University, Wuhan, China
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17
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Srinivas N, Song L, Lei KC, Gravemeyer J, Furtmann F, Gambichler T, Becker JC, Sriram A. The HDAC inhibitor domatinostat induces type I interferon α in Merkel cell carcinoma by HES1 repression. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04733-y. [PMID: 37071208 PMCID: PMC10374800 DOI: 10.1007/s00432-023-04733-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Accepted: 03/30/2023] [Indexed: 04/19/2023]
Abstract
BACKGROUND Class I selective histone deacetylase inhibitors (HDACi) have been previously demonstrated to not only increase major histocompatibility complex class I surface expression in Merkel cell carcinoma (MCC) cells by restoring the antigen processing and presentation machinery, but also exert anti-tumoral effect by inducing apoptosis. Both phenomena could be due to induction of type I interferons (IFN), as has been described for HDACi. However, the mechanism of IFN induction under HDACi is not fully understood because the expression of IFNs is regulated by both activating and inhibitory signaling pathways. Our own preliminary observations suggest that this may be caused by suppression of HES1. METHODS The effect of the class I selective HDACi domatinostat and IFNα on cell viability and the apoptosis of MCPyV-positive (WaGa, MKL-1) and -negative (UM-MCC 34) MCC cell lines, as well as, primary fibroblasts were assessed by colorimetric methods or measuring mitochondrial membrane potential and intracellular caspase-3/7, respectively. Next, the impact of domatinostat on IFNA and HES1 mRNA expression was measured by RT-qPCR; intracellular IFNα production was detected by flow cytometry. To confirm that the expression of IFNα induced by HDACi was due to the suppression of HES1, it was silenced by RNA interference and then mRNA expression of IFNA and IFN-stimulated genes was assessed. RESULTS Our studies show that the previously reported reduction in viability of MCC cell lines after inhibition of HDAC by domatinostat is accompanied by an increase in IFNα expression, both of mRNA and at the protein level. We confirmed that treatment of MCC cells with external IFNα inhibited their proliferation and induced apoptosis. Re-analysis of existing single-cell RNA sequencing data indicated that induction of IFNα by domatinostat occurs through repression of HES1, a transcriptional inhibitor of IFNA; this was confirmed by RT-qPCR. Finally, siRNA-mediated silencing of HES1 in the MCC cell line WaGa not only increased mRNA expression of IFNA and IFN-stimulated genes but also decreased cell viability. CONCLUSION Our results demonstrate that the direct anti-tumor effect of HDACi domatinostat on MCC cells is at least in part mediated via decreased HES1 expression allowing the induction of IFNα, which in turn causes apoptosis.
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Affiliation(s)
- Nalini Srinivas
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Dermatology, University Hospital Essen, Essen, Germany
| | - Lina Song
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
- Department of Dermatology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Kuan Cheok Lei
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Jan Gravemeyer
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Frauke Furtmann
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Thilo Gambichler
- Skin Cancer Center, Department of Dermatology, Ruhr-University Bochum, Bochum, Germany
| | - Jürgen C Becker
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Department of Dermatology, University Hospital Essen, Essen, Germany.
| | - Ashwin Sriram
- Department of Translational Skin Cancer Research (TSCR), German Cancer Consortium (DKTK), Partner Site Essen, University Medicine Essen, and German Cancer Research Center (DKFZ), Heidelberg, Germany
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18
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Ding Q, Gao Z, Chen K, Zhang Q, Hu S, Zhao L. Inflammation-Related Epigenetic Modification: The Bridge Between Immune and Metabolism in Type 2 Diabetes. Front Immunol 2022; 13:883410. [PMID: 35603204 PMCID: PMC9120428 DOI: 10.3389/fimmu.2022.883410] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 04/11/2022] [Indexed: 12/11/2022] Open
Abstract
T2DM, as a typical metabolic inflammatory disease, is under the joint regulation of environmental factors and genetics, combining with a variety of epigenetic changes. Apart from epigenetic changes of islet β cells and glycometabolic tissues or organs, the inflammation-related epigenetics is also the core pathomechanism leading to β-cell dysfunction and insulin resistance. In this review, we focus on the epigenetic modification of immune cells’ proliferation, recruitment, differentiation and function, providing an overview of the key genes which regulated by DNA methylation, histone modifications, and non-coding RNA in the respect of T2DM. Meanwhile, we further summarize the present situation of T2DM epigenetic research and elucidate its prospect in T2DM clinical diagnosis and treatment.
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Affiliation(s)
- Qiyou Ding
- Department of Endocrinology, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Zezheng Gao
- Department of Endocrinology, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Keyu Chen
- Department of Endocrinology, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Qiqi Zhang
- Department of Endocrinology, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shiwan Hu
- Department of Endocrinology, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- Graduate School, Beijing University of Chinese Medicine, Beijing, China
| | - Linhua Zhao
- Institute of Metabolic Diseases, Guang’ anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Linhua Zhao,
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