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Wan P, Yang G, Cheng Q, Zhang X, Yue Z, Li M, Liu C, Yi Q, Jia Y, Liu J, Xing X, Sun B, Li Y. The role of inflammasome in chronic viral hepatitis. Front Cell Infect Microbiol 2024; 14:1382029. [PMID: 38817443 PMCID: PMC11137247 DOI: 10.3389/fcimb.2024.1382029] [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: 02/04/2024] [Accepted: 05/02/2024] [Indexed: 06/01/2024] Open
Abstract
Infections of hepatotropic viruses cause a wide array of liver diseases including acute hepatitis, chronic hepatitis and the consequently developed cirrhosis and hepatocellular carcinoma (HCC). Among the five classical hepatotropic viruses, hepatitis B virus (HBV) and hepatitis C virus (HCV) usually infect human persistently and cause chronic hepatitis, leading to major troubles to humanity. Previous studies have revealed that several types of inflammasomes are involved in the infections of HBV and HCV. Here, we summarize the current knowledge about their roles in hepatitis B and C. NLRP3 inflammasome can be activated and regulated by HBV and HCV. It is found to exert antiviral function or mediates inflammatory response in viral infections depending on different experimental models. Besides NLRP3 inflammasome, IFI16 and AIM2 inflammasomes participate in the pathological process of hepatitis B, and NALP3 inflammasome may sense HCV infection in hepatocytes. The inflammasomes affect the pathological process of viral hepatitis through its downstream secretion of inflammatory cytokines interleukin-1β (IL-1β) and IL-18 or induction of pyroptosis resulting from cleaved gasdermin D (GSDMD). However, the roles of inflammasomes in different stages of viral infection remains mainly unclear. More proper experimental models of viral hepatitis should be developed for specific studies in future, so that we can understand more about the complexity of inflammasome regulation and multifunction of inflammasomes and their downstream effectors during HBV and HCV infections.
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Affiliation(s)
- Pin Wan
- Hubei Key Laboratory of Cognitive and Affective Disorders, Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Ge Yang
- Foshan Institute of Medical Microbiology, Foshan, China
| | - Qi Cheng
- Wuhan Jinyintan Hospital, Tongji Medical College of Huazhong University of Science and Technology, Wuhan, China
| | - Xuelong Zhang
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Zhaoyang Yue
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Moran Li
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Chunlin Liu
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Qian Yi
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Yaling Jia
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
| | - Jinbiao Liu
- National “111” Center for Cellular Regulation and Molecular Pharmaceutics, Key Laboratory of Fermentation Engineering (Ministry of Education), Hubei Provincial Cooperative Innovation Center of Industrial Fermentation, Hubei Key Laboratory of Industrial Microbiology, Sino-German Biomedical Center, Hubei University of Technology, Wuhan, China
| | - Xiwen Xing
- Department of Biotechnology, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Binlian Sun
- Hubei Key Laboratory of Cognitive and Affective Disorders, Institute of Biomedical Sciences, School of Medicine, Jianghan University, Wuhan, China
| | - Yongkui Li
- Institute of Medical Microbiology, Department of Immunology and Microbiology, College of Life Science and Technology, Jinan University, Guangzhou, China
- Laboratory of Viral Pathogenesis & Infection Prevention and Control (Jinan University), Ministry of Education, Guangzhou, China
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Chen D, Tuo T, Zhang Y, Zhou L, Ge X, Han J, Guo X, Yang H. PRRSV inhibited the proliferation of CSFV by inducing IL-1β maturation via NLRP3 inflammasome activation. Vet Microbiol 2023; 284:109825. [PMID: 37453262 DOI: 10.1016/j.vetmic.2023.109825] [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: 04/26/2023] [Revised: 06/25/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
PRRSV and CSFV are both common infectious pathogens in porcine populations, posing significant threats to the healthy development of the porcine industry. Vaccine immunization is the main way to prevent and control these two diseases. Increasing studies have demonstrated that there is an interaction between PRRSV co-infection and CSFV vaccine immune failure. To investigate the effect of PRRSV infection on CSFV proliferation and its molecular mechanism, the proliferation dynamics of PRRSV/CSFV, the NLRP3 inflammasome components, and IL-1β expression levels were detected in PRRSV/CSFV alone- or co-infection. Subsequently, the relationship between inflammasome activation, IL-1β expression, and CSFV proliferation was analyzed through the construction of an inflammasome activation model, specific siRNA interference, and specific inhibitor treatment. The results showed that CSFV infection had a poor regulatory effect on NLRP3 inflammasome activation and IL-1β maturation, but PRRSV and CSFV co-infection could significantly up-regulate the expression of NLRP3 and ASC, induce Caspase-1 activation, and promote IL-1β maturation. It was further determined that NLRP3 inflammasome components played important roles in IL-1β maturation and inhibiting CSFV proliferation by PRRSV. Additional experiments indicated that PRRSV replication is essential for NLRP3 inflammasome activation, IL-1β maturation, and CSFV proliferation inhibition. More importantly, NLRP3 inflammasome activation is regulated by the TLR4-MyD88-NF-κB pathways. In conclusion, PRRSV infection induced IL-1β maturation by activating the NLRP3 inflammasome through the TLR4-MyD88-NF-κB pathways and then inhibited the proliferation of CSFV. These data further improved the theoretical basis for PRRSV inducing inflammatory factors and leading to the failure of CSFV immunization.
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Affiliation(s)
- Dengjin Chen
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Tianbei Tuo
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Yongning Zhang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Lei Zhou
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Xinna Ge
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Jun Han
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
| | - Xin Guo
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China.
| | - Hanchun Yang
- Key Laboratory of Animal Epidemiology of the Ministry of Agriculture, College of Veterinary Medicine, China Agricultural University, Beijing 100193, People's Republic of China
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Wu N, Zheng C, Xu J, Ma S, Jia H, Yan M, An F, Zhou Y, Qi J, Bian H. Race between virus and inflammasomes: inhibition or escape, intervention and therapy. Front Cell Infect Microbiol 2023; 13:1173505. [PMID: 37465759 PMCID: PMC10351387 DOI: 10.3389/fcimb.2023.1173505] [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: 02/24/2023] [Accepted: 05/17/2023] [Indexed: 07/20/2023] Open
Abstract
The inflammasome is a multiprotein complex that further regulates cell pyroptosis and inflammation by activating caspase-1. The assembly and activation of inflammasome are associated with a variety of diseases. Accumulative studies have shown that inflammasome is a key modulator of the host's defense response to viral infection. Indeed, it has been established that activation of inflammasome occurs during viral infection. At the same time, the host has evolved a variety of corresponding mechanisms to inhibit unnecessary inflammasome activation. Therefore, here, we review and summarize the latest research progress on the interaction between inflammosomes and viruses, highlight the assembly and activation of inflammosome in related cells after viral infection, as well as the corresponding molecular regulatory mechanisms, and elucidate the effects of this activation on virus immune escape and host innate and adaptive immune defenses. Finally, we also discuss the potential therapeutic strategies to prevent and/or ameliorate viral infection-related diseases via targeting inflammasomes and its products.
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Affiliation(s)
- Nijin Wu
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Chunzhi Zheng
- Shandong Provincial Hospital for Skin Diseases and Shandong Provincial Institute of Dermatology and Venereology, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, China
| | - Jiarui Xu
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Shujun Ma
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Huimin Jia
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Meizhu Yan
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Fuxiang An
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Yi Zhou
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Jianni Qi
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
| | - Hongjun Bian
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, China
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Gao Y, Shi W, Tu C, Li P, Zhao G, Xiao X, Wang J, Bai Z. Immunostimulatory activity and structure-activity relationship of epimedin B from Epimedium brevicornu Maxim. Front Pharmacol 2022; 13:1015846. [PMID: 36386137 PMCID: PMC9659593 DOI: 10.3389/fphar.2022.1015846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 10/07/2022] [Indexed: 11/30/2022] Open
Abstract
Epimedii Folium (EF, Epimedium brevicornu Maxim.), a traditional botanical drug, is famous for treating bone fractures, joint diseases, and several chronic illnesses. However, some studies indicated that EF could induce idiosyncratic drug-induced liver injury (IDILI) in the clinic. The NLRP3 inflammasome plays a crucial role in the pathogenesis of various human diseases, including IDILI. In the present study, we showed that epimedin B could specifically facilitate nigericin- or ATP-induced NLRP3 inflammasome activation under synergistic induction of mitochondrial reactive oxygen species. Moreover, epimedin B resulted in activation of Caspase-1 and IL-1β secretion in a lipopolysaccharide (LPS)-mediated susceptibility mouse model. MCC950 pretreatment completely abrogated activation of the NLRP3 inflammasome and prevented liver injury. Importantly, several studies have confirmed that some active constituents of EF could enhance activation of the NLRP3 inflammasome and may be involved in the pathogenesis of EF-IDILI. No reports are available on whether the structure-activity relationship associated with the immunostimulatory activity in EF contributes to the pathogenesis of EF-IDILI. These findings have changed our conventional understanding about the more glycogen, the more immunostimulatory activity.
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Affiliation(s)
- Yuan Gao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Wei Shi
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing, China
- China Military Institute of Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, China
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, China
| | - Can Tu
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Peng Li
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau, China
| | - Guanyu Zhao
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Xiaohe Xiao
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing, China
- China Military Institute of Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, China
- *Correspondence: Jiabo Wang, ; Xiaohe Xiao, ; Zhaofang Bai,
| | - Jiabo Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing, China
- *Correspondence: Jiabo Wang, ; Xiaohe Xiao, ; Zhaofang Bai,
| | - Zhaofang Bai
- Senior Department of Hepatology, The Fifth Medical Center of PLA General Hospital, Beijing, China
- China Military Institute of Chinese Medicine, The Fifth Medical Center of PLA General Hospital, Beijing, China
- *Correspondence: Jiabo Wang, ; Xiaohe Xiao, ; Zhaofang Bai,
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Chen Y, Shen X, Liang H, Li G, Han K, Liang C, Hao Z. Relationship between hepatitis C and kidney stone in US females: Results from the National Health and Nutrition Examination Survey in 2007–2018. Front Public Health 2022; 10:940905. [PMID: 35991057 PMCID: PMC9389117 DOI: 10.3389/fpubh.2022.940905] [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: 05/10/2022] [Accepted: 07/14/2022] [Indexed: 12/05/2022] Open
Abstract
Background The main objective of this study is to explore the effects of hepatitis C (HCV) on the prevalence rate of kidney stones in US women. Method Dates for HCV infection and kidney stones were collected from National Health and Nutrition Examination Survey (NHANES) database, a cross-sectional study. The analysis samples included adults aged ≥20 years and women from six consecutive cycles of the NHANES 2007–2018. The association between HCV infection and kidney stones was performed by using logistic regression models. Subgroup analyses were conducted to find sensitive crowds. Results A total of 13,262 participants were enrolled, including 201 infected with HCV. After adjustment for potential confounders, we revealed a positive relationship between HCV and kidney stones (OR = 1.70, 95%CI:1.13–2.56). The crowds' statistically significant difference was characterized by other races (OR = 8.17, 95%CI:1.62–41.22) and BMI within 25–29.9 kg/m2 (OR = 2.45, 95%CI:1.24–4.83). Conclusions HCV infection may affect the prevalence of urolithiasis in US women, even the causal relationship remains unclear, the relation deserves special attention. We considered such a study an ideal way to begin exploring the effects of HCV on kidney stones.
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Affiliation(s)
- Yang Chen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Xudong Shen
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Hu Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Guoxiang Li
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
| | - Kexing Han
- Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Chaozhao Liang
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- *Correspondence: Chaozhao Liang
| | - Zongyao Hao
- Department of Urology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
- Institute of Urology, Anhui Medical University, Hefei, China
- Anhui Key Laboratory of Genitourinary Diseases, Anhui Medical University, Hefei, China
- Zongyao Hao
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Chen D, Xu S, Jiang R, Guo Y, Yang X, Zhang Y, Zhou L, Ge X, Han J, Guo X, Yang H. IL-1β induced by PRRSV co-infection inhibited CSFV C-strain proliferation via the TLR4/NF-κB/MAPK pathways and the NLRP3 inflammasome. Vet Microbiol 2022; 273:109513. [DOI: 10.1016/j.vetmic.2022.109513] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 12/24/2022]
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Gu R, Liang A, Liao G, To I, Shehu A, Ma X. Roles of co-factors in drug-induced liver injury: drug metabolism and beyond. Drug Metab Dispos 2022; 50:646-654. [PMID: 35221288 PMCID: PMC9132098 DOI: 10.1124/dmd.121.000457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 02/22/2022] [Indexed: 11/22/2022] Open
Abstract
Drug-induced liver injury (DILI) remains one of the major concerns for healthcare providers and patients. Unfortunately, it is difficult to predict and prevent DILI in the clinic because detailed mechanisms of DILI are largely unknown. Many risk factors have been identified for both "intrinsic" and "idiosyncratic" DILI, suggesting that cofactors are an important aspect in understanding DILI. This review outlines the cofactors that potentiate DILI and categorizes them into two types: (1) the specific cofactors that target metabolic enzymes, transporters, antioxidation defense, immune response, and liver regeneration; and (2) the general cofactors that include inflammation, age, gender, comorbidity, gut microbiota, and lifestyle. The underlying mechanisms by which cofactors potentiate DILI are also discussed. SIGNIFICANCE STATEMENT: This review summarizes the risk factors for DILI, which can be used to predict and prevent DILI in the clinic. This work also highlights the gaps in the DILI field and provides future perspectives on the roles of cofactors in DILI.
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Affiliation(s)
- Ruizhi Gu
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Alina Liang
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Grace Liao
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Isabelle To
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Amina Shehu
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Xiaochao Ma
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences (R.G., A.S., X.M.) and School of Pharmacy (A.L., G.L., I.T.), University of Pittsburgh, Pittsburgh, Pennsylvania
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Wang C, Shi J, Xu J, Fu Q, Ding Y, Yang J, Liu B, Gao Q, Qin J, Liang C. NLRC3 High Expression Represents a Novel Predictor for Positive Overall Survival Correlated With CCL5 and CXCL9 in HCC Patients. Front Oncol 2022; 12:815326. [PMID: 35145917 PMCID: PMC8821914 DOI: 10.3389/fonc.2022.815326] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Accepted: 01/03/2022] [Indexed: 12/19/2022] Open
Abstract
NLRC3 (NLR family caspase recruitment domain containing 3) has been reported as a factor of inhibiting inflammatory responses. It’s role in HCC (hepatocellular carcinoma) is still unknown. In this study we firstly used the GEO (Gene Expression Omnibus) database and mIHC (multiple immunohistochemical analysis) with TMAs (tumor tissue microarrays) of HCC patients to evaluate NLRC3 levels. The tumor-bearing mouse models were also established with NLRC3 over-expressing and knock-down Hepal-6 cells to assess its effect. The data showed high NLRC3 expression was related with favorable overall survival (P=0.0386) and disease-free survival (P=0.0458). In addition, NLRC3 expression showed a positive correlation between CD8+ T cells infiltration. In vivo, NLRC3-overexpressing Hepal-6 tumors showed increased CD8+ T cell infiltration. NLRC3-knockdown Hepa1-6 tumors displayed decreased CD8+ T cell infiltration. At the same time, we also found the positive correlations between NLRC3 and CCL5 (C-C motif chemokine ligand 5, P<0.0001, R2 = 0.2372) as well as CXCL9 (C-X-C motif chemokine ligand 9, P<0.0001, R2 = 0.2338) expressions. So NLRC3 high expression represents a novel predictor for positive survival outcomes in HCC patients, and NLRC3 is involved in CD8+ T cell infiltration, which is correlated with increased CCL5 and CXCL9 in TME (tumor microenvironment). This study implies that boosting NLRC3 is a promising treatment to enhance survival in HCC patients.
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Affiliation(s)
- Chengpan Wang
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Jieyi Shi
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, and Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Shanghai, China
| | - Jietian Xu
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Qiaoyu Fu
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Youpeng Ding
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Jessie Yang
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Binbin Liu
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, and Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Shanghai, China
| | - Qiang Gao
- Department of Liver Surgery and Transplantation, Liver Cancer Institute, Zhongshan Hospital, Fudan University, and Key Laboratory of Carcinogenesis and Cancer Invasion of Ministry of Education, Shanghai, China
| | - Jie Qin
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
| | - Chunmin Liang
- Lab of Tumor Immunology, Department of Human Anatomy, Histology and Embryology, Basic Medical School of Fudan University, Shanghai, China
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Guo-Parke H, Linden D, Weldon S, Kidney JC, Taggart CC. Deciphering Respiratory-Virus-Associated Interferon Signaling in COPD Airway Epithelium. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:121. [PMID: 35056429 PMCID: PMC8781535 DOI: 10.3390/medicina58010121] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/08/2022] [Accepted: 01/11/2022] [Indexed: 01/08/2023]
Abstract
COPD is a chronic lung disorder characterized by a progressive and irreversible airflow obstruction, and persistent pulmonary inflammation. It has become a global epidemic affecting 10% of the population, and is the third leading cause of death worldwide. Respiratory viruses are a primary cause of COPD exacerbations, often leading to secondary bacterial infections in the lower respiratory tract. COPD patients are more susceptible to viral infections and associated severe disease, leading to accelerated lung function deterioration, hospitalization, and an increased risk of mortality. The airway epithelium plays an essential role in maintaining immune homeostasis, and orchestrates the innate and adaptive responses of the lung against inhaled and pathogen insults. A healthy airway epithelium acts as the first line of host defense by maintaining barrier integrity and the mucociliary escalator, secreting an array of inflammatory mediators, and initiating an antiviral state through the interferon (IFN) response. The airway epithelium is a major site of viral infection, and the interaction between respiratory viruses and airway epithelial cells activates host defense mechanisms, resulting in rapid virus clearance. As such, the production of IFNs and the activation of IFN signaling cascades directly contributes to host defense against viral infections and subsequent innate and adaptive immunity. However, the COPD airway epithelium exhibits an altered antiviral response, leading to enhanced susceptibility to severe disease and impaired IFN signaling. Despite decades of research, there is no effective antiviral therapy for COPD patients. Herein, we review current insights into understanding the mechanisms of viral evasion and host IFN antiviral defense signaling impairment in COPD airway epithelium. Understanding how antiviral mechanisms operate in COPD exacerbations will facilitate the discovery of potential therapeutic interventions to reduce COPD hospitalization and disease severity.
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Affiliation(s)
- Hong Guo-Parke
- Wellcome Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast BT9 7AE, UK; (H.G.-P.); (D.L.); (S.W.)
| | - Dermot Linden
- Wellcome Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast BT9 7AE, UK; (H.G.-P.); (D.L.); (S.W.)
| | - Sinéad Weldon
- Wellcome Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast BT9 7AE, UK; (H.G.-P.); (D.L.); (S.W.)
| | - Joseph C. Kidney
- Department of Respiratory Medicine, Mater Hospital Belfast, Belfast BT14 6AB, UK;
| | - Clifford C. Taggart
- Wellcome Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry & Biomedical Sciences, Queens University Belfast, Belfast BT9 7AE, UK; (H.G.-P.); (D.L.); (S.W.)
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NLRP3 Inflammasome Expression in Gingival Crevicular Fluid of Patients with Periodontitis and Chronic Hepatitis C. Mediators Inflamm 2021; 2021:6917919. [PMID: 34840527 PMCID: PMC8626199 DOI: 10.1155/2021/6917919] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/01/2021] [Accepted: 11/10/2021] [Indexed: 12/13/2022] Open
Abstract
The study is aimed at assessing the impact that periodontal disease and chronic hepatitis C could have on gingival crevicular fluid levels of the NLRP3 inflammasome, caspase-1 (CASP-1), and interleukin-18 (IL-18) and at evaluating whether the increased local inflammatory reaction with clinical periodontal consequences is correlated to their upregulation. Patients were divided into four groups, according to their periodontal status and previously diagnosed hepatitis C, as follows: (i) CHC group, chronic hepatitis C patients; (ii) P group, periodontal disease patients, systemically healthy; (iii) CHC + P group, patients suffering from both conditions; and (iv) H group, systemically and periodontally healthy controls. Gingival crevicular samples were collected for quantitative analysis of the NLRP3 inflammasome, CASP-1, and IL-18. CHC + P patients expressed the worse periodontal status and the highest NLRP3, CASP-1, and IL-18 levels, the difference being statistically significant (p < 0.05). The P group patients also expressed significantly more elevated NLRP3, CASP-1, and IL-18 levels, as compared to nonperiodontal patients (CHC and H groups). Chronic hepatitis C and periodontal disease could have a significant influence on the upregulation of NLRP3 inflammasome and its components, possibly contributing to an increased local inflammatory reaction and clinical periodontal consequences.
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11
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Shen J, Fan Z, Sun G, Qi G. Sacubitril/valsartan (LCZ696) reduces myocardial injury following myocardial infarction by inhibiting NLRP3‑induced pyroptosis via the TAK1/JNK signaling pathway. Mol Med Rep 2021; 24:676. [PMID: 34296299 PMCID: PMC8335743 DOI: 10.3892/mmr.2021.12315] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Accepted: 03/01/2021] [Indexed: 12/11/2022] Open
Abstract
The present study aimed to investigate the protective effects of sacubitril/valsartan (LCZ696) on ventricular remodeling in myocardial infarction (MI) and the effects of the inflammasome‑mediated inflammatory response. First, a rat model was established. Animals were then treated with LCZ696 so that the histopathological changes associated with ventricular remodeling could be investigated. The serum levels of the inflammatory factors IL‑18 and IL‑1β were also determined by ELISA. Immunofluorescence was used to investigate the ratio of pyroptosis following MI modelling. Western blotting and reverse transcription‑quantitative PCR were used to detect the relative expression levels of proteins and mRNAs in the transforming growth factor β‑activated kinase‑1 (TAK1)/JNK pathway and those associated with the NLR pyrin family domain containing 3 (NLRP3) inflammasome, respectively. The present study also investigated the regulatory mechanisms and associations between the TAK1 and JNK pathways, NOD‑, leucine‑rich repeat‑ and the NLRP3 inflammasome, in H9C2 cells and myocardial cells from the rat model of MI. LCZ696 improved MI‑induced myocardial fibrosis, rescued myocardial injury and suppressed the release of inflammatory factors. With regards to myocardial cell damage, pyroptosis in cardiomyocytes was observed. The in vitro experiments demonstrated that the overexpression of TAK1 promoted lysis of the N‑terminal of GSDMD, thereby activating the NLRP3 inflammasome and promoting the conversion of pro‑IL‑1β and pro‑IL‑18 into mature IL‑1β and IL‑18, respectively. In contrast, the silencing of TAK1 inhibited the expression levels of the NLRP3 inflammasome. In summary, LCZ696 reduced the expression levels of the NLRP3 inflammasome, suppressed inflammatory responses, improved the ventricular remodeling and exhibited protective effects in the MI heart by inhibiting the TAK1/JNK signaling pathway.
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Affiliation(s)
- Jianfen Shen
- Department of Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Zhongbao Fan
- Department of Hepatobiliary Surgery, People's Hospital of China Medical University, Liaoning Provincial People's Hospital, Shenyang, Liaoning 110016, P.R. China
| | - Guang Sun
- Department of Geriatric Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
| | - Guoxian Qi
- Department of Geriatric Cardiology, The First Affiliated Hospital of China Medical University, Shenyang, Liaoning 110001, P.R. China
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Toro DM, Ramasawmy R, Silva Neto PV, Pereira GL, Sarmento PS, Dray HLSN, Sousa KS, Affonso JS, Silva JA, Garcia NP, Barbieri MV, Victória FS, Donadi EA, Costa AG, Ogusku MM, Sadahiro A, Tarragô AM, Malheiro A. Inflammasome genes polymorphisms may influence the development of hepatitis C in the Amazonas, Brazil. PLoS One 2021; 16:e0253470. [PMID: 34161370 PMCID: PMC8221483 DOI: 10.1371/journal.pone.0253470] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 06/06/2021] [Indexed: 12/31/2022] Open
Abstract
Hepatitis C is considered a major public health problem caused by the hepatitis C virus (HCV). Viral infections are known to induce production of IL1β through the signaling pathway of inflammasomes. Emerging evidences suggest that Inflammasome genes may influence the immune response against HCV as the host genetic background may contribute to the balance between acute and chronic inflammation. We investigated in 151 patients with chronic hepatitis C and 206 healthy blood donors’ individuals (HD). Polymorphisms in the IL1B and IL18 genes were genotyped by PCR-RFLP, while NLRP3, CARD8, CTSB and AIM2 by RT- PCR. Serum assay of IL-1β cytokine was performed by ELISA. 84 patients presented mild fibrosis (<F2) and 67 advanced fibrosis (≥ F2). Among the HD individuals the NLRP3-rs10754558 C/C genotype correlated with higher IL-1β levels compared to the G/G genotype. Similar pattern was observed in patients with hepatitis C, mean circulating IL-1β levels were 21,96 ± 4.5 and 10,62 ± 3.3pg/mL among the C/C and G/G genotypes, respectively. This pattern holds even after stratification of the patients into mild fibrosis and advanced fibrosis, demonstrating that the NLRP3-rs10754558 or another polymorphism in linkage disequilibrium with it possibly has an influence on the processing of pro-IL-1β. Notably, higher levels of IL-1β (Mann–Whitney test, p<0.0001) were observed among patients (mean ± SEM: 19,24 ±3.pg/mL) when compared with controls (mean ± SEM: 11,80 ±1.0pg/mL). Gene-gene interaction showed that individuals heterogyzotes for both CARD8-rs2009373 and IL1B-rs16944 are less prone to hepatitis C development (padj = 0.039). Similarly, herozygote carriers for CTSB-rs1692816 and AIM2-rs1103577 (padj = 0.008) or for IL18-rs187238 and NLRP3-rs10754558 (padj = 0.005), have less chances to the development of hepatitis C. However, between subgroups of <F2 and ≥F2, individuals homozygous for the T allele of CARD8-rs2009373 and heterozygous for IL18-rs187238 (padj = 0.028), have mild form of fibrosis.
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Affiliation(s)
- Diana Mota Toro
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | - Rajendranath Ramasawmy
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Faculdade de Medicina, Universidade Nilton Lins, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
| | - Pedro Vieira Silva Neto
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | - Grenda Leite Pereira
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | - Priscila Santos Sarmento
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
| | | | - Keyla Santos Sousa
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Juliana Santos Affonso
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Jéssica Albuquerque Silva
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
| | - Nadja Pinto Garcia
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
| | - Marilú Victória Barbieri
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | - Flamir Silva Victória
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
| | - Eduardo Antônio Donadi
- Programa de Pós-graduação em Imunologia Básica e Aplicada, Faculdade de Medicina da Universidade de São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Allyson Guimarães Costa
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Instituto de Pesquisa Clínica Carlos Borborema, Fundação de Medicina Tropical Dr. Heitor Vieira Dourado, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Escola de Enfermagem de Manaus, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- * E-mail: (AGC); (AM)
| | - Mauricio Morishi Ogusku
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
- Laboratório de Micobacteriologia, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, Brazil
| | - Aya Sadahiro
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
| | - Andréa Monteiro Tarragô
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
| | - Adriana Malheiro
- Programa de Pós-Graduação em Imunologia Básica e Aplicada, Universidade Federal do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Medicina Tropical, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- Genomic Health Surveilance Network: Optimization os Assistance and Research in The State of Amazonas -REGESAM, Manaus, Amazonas, Brazil
- Diretoria de Ensino e Pesquisa, Fundação Hospitalar de Hematologia e Hemoterapia do Amazonas, Manaus, Amazonas, Brazil
- Programa de Pós-Graduação em Ciências Aplicadas à Hematologia, Universidade do Estado do Amazonas, Manaus, Amazonas, Brazil
- * E-mail: (AGC); (AM)
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Boldeanu MV, Siloşi I, Bărbulescu AL, Sandu RE, Geormăneanu C, Pădureanu V, Popescu-Drigă MV, Poenariu IS, Siloşi CA, Ungureanu AM, Dijmărescu AL, Boldeanu L. Host immune response in chronic hepatitis C infection: involvement of cytokines and inflammasomes. ROMANIAN JOURNAL OF MORPHOLOGY AND EMBRYOLOGY 2021; 61:33-43. [PMID: 32747893 PMCID: PMC7728117 DOI: 10.47162/rjme.61.1.04] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Chronic liver disease is a major health issue worldwide and chronic hepatitis C (CHC) is associated with an increased risk of cirrhosis and hepatocellular carcinoma (HCC). There is evidence that the hepatitis C virus (HCV) infection is correlated with immune senescence by way of immune activation and chronic inflammation, which lead to increased metabolic and cardiovascular risk, as well as progressive liver damage. Both the innate and adaptive immunity are firmly tied to the prognosis of an infection with HCV and its response to antiviral therapy. HCV is therefore associated with increased pro-inflammatory status, heightened production of cytokines, prolonged systemic inflammation, as well as increased morbidity and mortality, mainly due to the progression of hepatic fibrosis and HCC, but also secondary to cardiovascular diseases. Viral hepatic pathology is increasingly considered a disease that is no longer merely limited to the liver, but one with multiple metabolic consequences. Numerous in vitro studies, using experimental models of acute or chronic inflammation of the liver, has brought new information on immunopathological mechanisms resulting from viral infections and have highlighted the importance of involving complex structures, inflammasomes complex, in these mechanisms, in addition to the involvement of numerous proinflammatory cytokines. Beyond obtaining a sustained viral response and halting the aforementioned hepatic fibrosis, the current therapeutic “treat-to-target” strategies are presently focused on immune-mediated and metabolic disorders, to improve the quality of life and long-term prognosis of CHC patients.
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Affiliation(s)
- Mihail Virgil Boldeanu
- Department of Pharmacology, Department of Surgery, University of Medicine and Pharmacy of Craiova, Romania; ,
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14
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Protective effects of the NLRP3 inflammasome against infectious bursal disease virus replication in DF-1 cells. Arch Virol 2021; 166:1943-1950. [PMID: 33982180 DOI: 10.1007/s00705-021-05099-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 03/26/2021] [Indexed: 02/07/2023]
Abstract
Inflammatory responses are an important part of the innate immune response during viral infection. Various inflammasome complexes have been identified. The pyrin domain-containing 3 (NLRP3) inflammasome plays a critical role in detecting some RNA viruses, such as influenza virus. However, the effect of the NLRP3 inflammasome on infectious bursal disease virus (IBDV) replication is still unclear. Here, we report that IBDV-infection induces the transcription of NLRP3 inflammasome and IL-1β genes in the immortalized chicken embryo fibroblast cell line DF-1. Inhibition of caspase-1 by Belnacasan (VX-765) suppressed the transcription of IL-1β, reduced cell lysis, and significantly promoted IBDV replication in DF-1 cells. Furthermore, knockdown of NLRP3 by small interfering RNA promoted IBDV replication in the host cells. Thus, IBDV can induce NLRP3 inflammasome activation in DF-1 cells through a mechanism requiring viral replication, revealing a new antiviral mechanism employed by the host.
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15
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Kaartinen K, Vuoti S, Honkanen E, Löyttyniemi E, Singh R, Färkkilä M. Tubular cell damage may be the earliest sign of renal extrahepatic manifestation caused by Hepatitis C. PLoS One 2021; 16:e0251392. [PMID: 33961672 PMCID: PMC8104418 DOI: 10.1371/journal.pone.0251392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 04/25/2021] [Indexed: 12/20/2022] Open
Abstract
Chronic kidney disease (CKD) is one of the most well-known extrahepatic manifestations caused by hepatitis C infection (HCV). CKD is typically discovered at a late stage. HCV-nephropathy may show different histopathologic patterns, as both glomerular and tubulointerstitial damage have been described. Identification of patients with early renal manifestations would be beneficial to provide treatment and avoid progression to CKD. The observational prospective single-center HCVKID study assessed the prevalence of early renal manifestations in patients with chronic HCV and compared these patients with HCV-negative healthy controls cross-sectionally. HCV-positive patients with and without renal manifestations were also compared to define biomarkers suitable for identifying early manifestations in standard clinical practice. Tubular proteinuria as judged by urine α 1-microglobulin was the most common early renal manifestation found in 11% in HCV-positive patients, followed by hematuria in 8%. Kidney filtration was statistically significantly lower among HCV-positive patients with renal manifestation according to any calculation method. There were no significant differences in duration of infection or stage of liver fibrosis between patients with or without renal manifestations. Tubular cell damage may be the earliest sign of renal dysfunction caused by HCV. Complement activation also correlates with the dysfunction, indicating of contribution to HCV-induced renal manifestations even in their early phase.
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Affiliation(s)
| | - Sauli Vuoti
- Department of Medicinal Chemistry, University of Jyväskylä, Jyväskylä, Finland
- * E-mail:
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16
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Kwok CHT, Kohro Y, Mousseau M, O'Brien MS, Matyas JR, McDougall JJ, Trang T. Role of Primary Afferents in Arthritis Induced Spinal Microglial Reactivity. Front Immunol 2021; 12:626884. [PMID: 33897685 PMCID: PMC8058457 DOI: 10.3389/fimmu.2021.626884] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2020] [Accepted: 03/18/2021] [Indexed: 11/18/2022] Open
Abstract
Increased afferent input resulting from painful injury augments the activity of central nociceptive circuits via both neuron-neuron and neuron-glia interactions. Microglia, resident immune cells of the central nervous system (CNS), play a crucial role in the pathogenesis of chronic pain. This study provides a framework for understanding how peripheral joint injury signals the CNS to engage spinal microglial responses. During the first week of monosodium iodoacetate (MIA)-induced knee joint injury in male rats, inflammatory and neuropathic pain were characterized by increased firing of peripheral joint afferents. This increased peripheral afferent activity was accompanied by increased Iba1 immunoreactivity within the spinal dorsal horn indicating microglial activation. Pharmacological silencing of C and A afferents with co-injections of QX-314 and bupivacaine, capsaicin, or flagellin prevented the development of mechanical allodynia and spinal microglial activity after MIA injection. Elevated levels of ATP in the cerebrospinal fluid (CSF) and increased expression of the ATP transporter vesicular nucleotide transporter (VNUT) in the ipsilateral spinal dorsal horn were also observed after MIA injections. Selective silencing of primary joint afferents subsequently inhibited ATP release into the CSF. Furthermore, increased spinal microglial reactivity, and alleviation of MIA-induced arthralgia with co-administration of QX-314 with bupivacaine were recapitulated in female rats. Our results demonstrate that early peripheral joint injury activates joint nociceptors, which triggers a central spinal microglial response. Elevation of ATP in the CSF, and spinal expression of VNUT suggest ATP signaling may modulate communication between sensory neurons and spinal microglia at 2 weeks of joint degeneration.
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Affiliation(s)
- Charlie H T Kwok
- Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada.,Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Yuta Kohro
- Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada.,Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.,Department of Molecular and System Pharmacology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Michael Mousseau
- Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada.,Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
| | - Melissa S O'Brien
- Departments of Pharmacology and Anesthesia, Pain Management and Perioperative Medicine, Dalhousie University, Halifax, NS, Canada
| | - John R Matyas
- Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada
| | - Jason J McDougall
- Department of Molecular and System Pharmacology, Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Tuan Trang
- Comparative Biology and Experimental Medicine, University of Calgary, Calgary, AB, Canada.,Physiology and Pharmacology, Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada
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Schwerk J, Negash A, Savan R, Gale M. Innate Immunity in Hepatitis C Virus Infection. Cold Spring Harb Perspect Med 2021; 11:cshperspect.a036988. [PMID: 32341066 PMCID: PMC7849348 DOI: 10.1101/cshperspect.a036988] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Activation and viral control of the innate immune response are hallmarks of hepatitis C virus (HCV) infection and are major determinants of spontaneous clearance or progression to chronic infection and liver disease. In this review, we provide a contemporary overview of how HCV is sensed by the host cell to trigger innate immune activation and the mechanisms deployed by the virus to evade this response. Type I and III interferons (IFNs) are crucial mediators of antiviral innate immunity against HCV, and we specifically highlight the importance of IFN-λ host genetics for the outcome of HCV infection. Last, we focus on the proinflammatory responses elicited by HCV infection and describe our current understanding of how interleukin (IL)-1β signaling and cross talk between the IL-1β and IFN signaling pathways lead to sustained inflammation and increased risk of liver pathology.
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Plaza-Díaz J, Álvarez-Mercado AI, Robles-Sánchez C, Navarro-Oliveros M, Morón-Calvente V, Toribio-Castelló S, Sáez-Lara MJ, MacKenzie A, Fontana L, Abadía-Molina F. NAIP expression increases in a rat model of liver mass restoration. J Mol Histol 2021; 52:113-123. [PMID: 33237375 DOI: 10.1007/s10735-020-09928-y] [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: 07/28/2020] [Accepted: 11/13/2020] [Indexed: 11/26/2022]
Abstract
The neuronal apoptosis inhibitory protein (NAIP) is a constituent of the NLRC4 inflammasome, which plays a key role in innate immunity, and an antiapoptotic protein. Recently, we reported the previously undescribed role of NAIP in cell division. The liver is one of the body's most actively regenerative organs. Given the novel mitotic role of NAIP, we examined its expression in hepatic mass restoration. The major liver lobe of Wistar rats was removed, and samples from both newly formed liver tissue, assessed by positive Ki67 immunostaining, and the remnant, intact liver lobes from hepatectomized rats were taken 3 and 7 days after surgery. Naip5 and Naip6 mRNA levels were significantly higher in regenerating hepatic tissue than in intact liver lobe tissue, and this increase was also observed at the protein level. Naip5 and Naip6 mRNA in situ hybridization showed that this increase occurred in the hepatic parenchyma. The histology of the regenerated liver tissue was normal, with the exception of a noticeable deficiency of hepatic lobule central veins. The results of this study suggest the involvement of NAIP in liver mass restoration following partial hepatectomy.
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Affiliation(s)
- Julio Plaza-Díaz
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, K1H 8L1, Canada
| | - Ana I Álvarez-Mercado
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Cándido Robles-Sánchez
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
| | - Miguel Navarro-Oliveros
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Virginia Morón-Calvente
- Department of Diabetes. Immunology, Diabetes & Metabolism Research Institute, Beckman Research Institute, City of Hope, Duarte, CA, 91010, USA
| | - Sofía Toribio-Castelló
- IBSAL, IBMCC, University of Salamanca-CSIC, Cancer Research Center, 37007, Salamanca, Spain
| | - María José Sáez-Lara
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
- Department of Biochemistry and Molecular Biology I, School of Sciences, University of Granada, 18071, Granada, Spain
| | - Alex MacKenzie
- Children's Hospital of Eastern Ontario Research Institute, Ottawa, ON, K1H 8L1, Canada
- Department of Pediatrics, University of Ottawa, Ottawa, ON, K1H 8L1, Canada
| | - Luis Fontana
- Department of Biochemistry and Molecular Biology II, School of Pharmacy, University of Granada, 18071, Granada, Spain
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain
- Instituto de Investigación Biosanitaria Ibs.GRANADA, Avda. de Madrid 15, 18012, Granada, Spain
| | - Francisco Abadía-Molina
- Institute of Nutrition and Food Technology "José Mataix", Biomedical Research Center, Avda. del Conocimiento S/N, Armilla, 18016, Granada, Spain.
- Department of Cell Biology, School of Sciences, University of Granada, 18071, Granada, Spain.
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Fagenson AM, Xu K, Saaoud F, Nanayakkara G, Jhala NC, Liu L, Drummer C, Sun Y, Lau KN, Di Carlo A, Jiang X, Wang H, Karhadkar SS, Yang X. Liver Ischemia Reperfusion Injury, Enhanced by Trained Immunity, Is Attenuated in Caspase 1/Caspase 11 Double Gene Knockout Mice. Pathogens 2020; 9:pathogens9110879. [PMID: 33114395 PMCID: PMC7692674 DOI: 10.3390/pathogens9110879] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 10/17/2020] [Accepted: 10/20/2020] [Indexed: 12/14/2022] Open
Abstract
Ischemia reperfusion injury (IRI) during liver transplantation increases morbidity and contributes to allograft dysfunction. There are no therapeutic strategies to mitigate IRI. We examined a novel hypothesis: caspase 1 and caspase 11 serve as danger-associated molecular pattern (DAMPs) sensors in IRI. By performing microarray analysis and using caspase 1/caspase 11 double-knockout (Casp DKO) mice, we show that the canonical and non-canonical inflammasome regulators are upregulated in mouse liver IRI. Ischemic pre (IPC)- and post-conditioning (IPO) induce upregulation of the canonical and non-canonical inflammasome regulators. Trained immunity (TI) regulators are upregulated in IPC and IPO. Furthermore, caspase 1 is activated during liver IRI, and Casp DKO attenuates liver IRI. Casp DKO maintained normal liver histology via decreased DNA damage. Finally, the decreased TUNEL assay-detected DNA damage is the underlying histopathological and molecular mechanisms of attenuated liver pyroptosis and IRI. In summary, liver IRI induces the upregulation of canonical and non-canonical inflammasomes and TI enzyme pathways. Casp DKO attenuate liver IRI. Development of novel therapeutics targeting caspase 1/caspase 11 and TI may help mitigate injury secondary to IRI. Our findings have provided novel insights on the roles of caspase 1, caspase 11, and inflammasome in sensing IRI derived DAMPs and TI-promoted IRI-induced liver injury.
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Affiliation(s)
- Alexander M. Fagenson
- Department of Surgery, Division of Abdominal Organ Transplant, Lewis Katz School of Medicine, Temple University, 3401 N. Broad Street, Philadelphia, PA 19140, USA; (K.N.L.); (A.D.C.); (S.S.K.)
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
- Correspondence: (A.M.F.); (X.Y.)
| | - Keman Xu
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
- Centers for Metabolic Disease Research, Cardiovascular Research and Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (L.L.); (H.W.)
| | - Fatma Saaoud
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
| | - Gayani Nanayakkara
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
- Eccles Institute of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Nirag C. Jhala
- Department of Pathology and Laboratory Medicine, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA;
| | - Lu Liu
- Centers for Metabolic Disease Research, Cardiovascular Research and Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (L.L.); (H.W.)
| | - Charles Drummer
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
| | - Yu Sun
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
| | - Kwan N. Lau
- Department of Surgery, Division of Abdominal Organ Transplant, Lewis Katz School of Medicine, Temple University, 3401 N. Broad Street, Philadelphia, PA 19140, USA; (K.N.L.); (A.D.C.); (S.S.K.)
| | - Antonio Di Carlo
- Department of Surgery, Division of Abdominal Organ Transplant, Lewis Katz School of Medicine, Temple University, 3401 N. Broad Street, Philadelphia, PA 19140, USA; (K.N.L.); (A.D.C.); (S.S.K.)
| | - Xiaohua Jiang
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
- Centers for Metabolic Disease Research, Cardiovascular Research and Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (L.L.); (H.W.)
| | - Hong Wang
- Centers for Metabolic Disease Research, Cardiovascular Research and Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (L.L.); (H.W.)
| | - Sunil S. Karhadkar
- Department of Surgery, Division of Abdominal Organ Transplant, Lewis Katz School of Medicine, Temple University, 3401 N. Broad Street, Philadelphia, PA 19140, USA; (K.N.L.); (A.D.C.); (S.S.K.)
| | - Xiaofeng Yang
- Centers for Cardiovascular Research, Inflammation, Translational and Clinical Lung Research, Metabolic Disease Research, Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (K.X.); (F.S.); (G.N.); (C.D.); (Y.S.); (X.J.)
- Centers for Metabolic Disease Research, Cardiovascular Research and Thrombosis Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USA; (L.L.); (H.W.)
- Correspondence: (A.M.F.); (X.Y.)
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20
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de Rivero Vaccari JC, Dietrich WD, Keane RW, de Rivero Vaccari JP. The Inflammasome in Times of COVID-19. Front Immunol 2020; 11:583373. [PMID: 33149733 PMCID: PMC7580384 DOI: 10.3389/fimmu.2020.583373] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
Coronaviruses (CoVs) are members of the genus Betacoronavirus and the Coronaviridiae family responsible for infections such as severe acute respiratory syndrome (SARS), Middle East respiratory syndrome (MERS), and more recently, coronavirus disease-2019 (COVID-19). CoV infections present mainly as respiratory infections that lead to acute respiratory distress syndrome (ARDS). However, CoVs, such as COVID-19, also present as a hyperactivation of the inflammatory response that results in increased production of inflammatory cytokines such as interleukin (IL)-1β and its downstream molecule IL-6. The inflammasome is a multiprotein complex involved in the activation of caspase-1 that leads to the activation of IL-1β in a variety of diseases and infections such as CoV infection and in different tissues such as lungs, brain, intestines and kidneys, all of which have been shown to be affected in COVID-19 patients. Here we review the literature regarding the mechanism of inflammasome activation by CoV infection, the role of the inflammasome in ARDS, ventilator-induced lung injury (VILI), and Disseminated Intravascular Coagulation (DIC) as well as the potential mechanism by which the inflammasome may contribute to the damaging effects of inflammation in the cardiac, renal, digestive, and nervous systems in COVID-19 patients.
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Affiliation(s)
| | - W Dalton Dietrich
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Robert W Keane
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Department of Physiology and Biophysics, University of Miami Miller School of Medicine, Miami, FL, United States
| | - Juan Pablo de Rivero Vaccari
- Department of Neurological Surgery and The Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, FL, United States.,Center for Cognitive Neuroscience and Aging University of Miami Miller School of Medicine, Miami, FL, United States
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21
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Kleefeld F, Arendt G, Neuen-Jacob E, Maschke M, Husstedt I, Obermann M, Schmidt H, Hahn K. [Neurological complications of hepatitis C infections]. DER NERVENARZT 2020; 92:144-149. [PMID: 33001263 PMCID: PMC7873080 DOI: 10.1007/s00115-020-00999-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 08/03/2020] [Indexed: 12/26/2022]
Abstract
Die chronische Hepatitis-C-Virus(HCV)-Infektion ist eine hochprävalente Systemerkrankung, die verschiedene neurologische Komplikationen verursachen kann. Es lassen sich HCV-assoziierte Symptome im zentralen und peripheren Nervensystem sowie der Muskulatur unterscheiden. Wichtige Pathomechanismen sind die HCV-assoziierte Autoimmunität (z. B. gemischte Kryoglobulinämie mit Polyneuropathie) und direkte Neurotoxizität (z. B. bei HCV-assoziierten kognitiven Defiziten). Die häufigsten neurologischen Komplikationen sind distal-symmetrische Polyneuropathien, Small-fiber-Neuropathien und kognitive Defizite. Die HCV-Infektion stellt außerdem einen Risikofaktor für ischämische und hämorrhagische Schlaganfälle sowie den Morbus Parkinson dar. Die frühe Identifikation und antivirale Behandlung HCV-positiver Patienten steht im Zentrum der Behandlung. Durch neue antivirale Therapien können >90 % der Patienten dauerhaft von der HCV-Infektion geheilt werden.
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Affiliation(s)
- Felix Kleefeld
- Klinik für Neurologie, Universitätsmedizin Charité, Charitéplatz 1, 10117, Berlin, Deutschland
| | - Gabriele Arendt
- Neurologie, Neuro-Centrum Düsseldorf, Hohenzollernstr. 5, 40211, Düsseldorf, Deutschland
| | - Eva Neuen-Jacob
- Institut für Neuropathologie, Universitätsklinikum Düsseldorf, Moorenstraße 5, 40225, Düsseldorf, Deutschland
| | - Matthias Maschke
- Klinik für Neurologie, Krankenhaus der Barmherzigen Brüder, Nordallee 1, 54292, Trier, Deutschland
| | - Ingo Husstedt
- Praxis an der Klinik Maria Frieden, Am Krankenhaus 1, 48291, Telgte/Münster, Deutschland
| | - Mark Obermann
- Klinik für Neurologie, Asklepios Kliniken Schildautal, Karl-Herold-Str. 1, 38723, Seesen, Deutschland
| | - Holger Schmidt
- Klinik für Neurologie, Elbe-Kliniken Stade, Bremervörder Str. 111, 21682, Stade, Deutschland
| | - Katrin Hahn
- Klinik für Neurologie, Universitätsmedizin Charité, Charitéplatz 1, 10117, Berlin, Deutschland.
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22
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Boldeanu L, Boldeanu MV, Bogdan M, Meca AD, Coman CG, Buca BR, Tartau CG, Tartau LM. Immunological approaches and therapy in burns (Review). Exp Ther Med 2020; 20:2361-2367. [PMID: 32765715 PMCID: PMC7401720 DOI: 10.3892/etm.2020.8932] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 05/26/2020] [Indexed: 12/13/2022] Open
Abstract
Burns have become an important public health problem in the last two decades, with just over a quarter of a million deaths annually. Major burns are accompanied by a strong inflammatory response, which will most often lead to systemic response inflammatory syndrome, followed by sepsis and finally induce multiple organ failure. The main mechanism involved in wound healing after burns is the inflammatory process, characterized by the recruitment of myeloid and T cells and by the involvement of numerous cytokines, chemokines, complement fractions, as well as various growth factors. Inflammasomes, protein-based cytosolic complexes, activated during metabolic stress or infection, play a role in modulating and improving the defense capacity of the innate immune system. Nucleotide-binding domain and leucine-rich repeat protein 3 (NLRP3) inflammasome has been studied predominantly and several hypotheses have been issued. Restoring the balance between the pro-inflammatory response and the anti-inflammatory activity is the key element to effective therapy in burns. Severe burns require nutritional support and pharmacotherapy not only for burn area but for different pathological complications of burn injury. In-depth research is required to find new ways to modulate the defense capacity, to prevent the complications of abnormal immune response and to treat burn injuries efficiently.
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Affiliation(s)
- Lidia Boldeanu
- Department of Microbiology, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Mihail Virgil Boldeanu
- Department of Immunology, University of Medicine and Pharmacy, 200349 Craiova, Romania.,Department of Medico Science SRL, Stem Cell Bank Unit, 200690 Craiova, Romania
| | - Maria Bogdan
- Department of Pharmacology, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Andreea Daniela Meca
- Department of Pharmacology, University of Medicine and Pharmacy, 200349 Craiova, Romania
| | - Corneliu George Coman
- Department of Pharmacology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Beatrice Rozalina Buca
- Department of Pharmacology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Cosmin Gabriel Tartau
- Department of Pharmacology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania
| | - Liliana Mititelu Tartau
- Department of Pharmacology, 'Grigore T. Popa' University of Medicine and Pharmacy, 700115 Iasi, Romania
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23
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Dash S, Aydin Y, Wu T. Integrated stress response in hepatitis C promotes Nrf2-related chaperone-mediated autophagy: A novel mechanism for host-microbe survival and HCC development in liver cirrhosis. Semin Cell Dev Biol 2020; 101:20-35. [PMID: 31386899 PMCID: PMC7007355 DOI: 10.1016/j.semcdb.2019.07.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/26/2019] [Accepted: 07/30/2019] [Indexed: 02/06/2023]
Abstract
The molecular mechanism(s) how liver damage during the chronic hepatitis C virus (HCV) infection evolve into cirrhosis and hepatocellular carcinoma (HCC) is unclear. HCV infects hepatocyte, the major cell types in the liver. During infection, large amounts of viral proteins and RNA replication intermediates accumulate in the endoplasmic reticulum (ER) of the infected hepatocyte, which creates a substantial amount of stress response. Infected hepatocyte activates a different type of stress adaptive mechanisms such as unfolded protein response (UPR), antioxidant response (AR), and the integrated stress response (ISR) to promote virus-host cell survival. The hepatic stress is also amplified by another layer of innate and inflammatory response associated with cellular sensing of virus infection through the production of interferon (IFN) and inflammatory cytokines. The interplay between various types of cellular stress signal leads to different forms of cell death such as apoptosis, necrosis, and autophagy depending on the intensity of the stress and nature of the adaptive cellular response. How do the adaptive cellular responses decode such death programs that promote host-microbe survival leading to the establishment of chronic liver disease? In this review, we discuss how the adaptive cellular response through the Nrf2 pathway that promotes virus and cell survival. Furthermore, we provide a glimpse of novel stress-induced Nrf2 mediated compensatory autophagy mechanisms in virus-cell survival that degrade tumor suppressor gene and activation of oncogenic signaling during HCV infection. Based on these facts, we hypothesize that the balance between hepatic stress, inflammation and different types of cell death determines liver disease progression outcomes. We propose that a more nuanced understanding of virus-host interactions under excessive cellular stress may provide an answer to the fundamental questions why some individuals with chronic HCV infection remain at risk of developing cirrhosis, cancer and some do not.
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Affiliation(s)
- Srikanta Dash
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA.
| | - Yucel Aydin
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
| | - Tong Wu
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
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24
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Inflammation During Virus Infection: Swings and Roundabouts. DYNAMICS OF IMMUNE ACTIVATION IN VIRAL DISEASES 2020. [PMCID: PMC7121364 DOI: 10.1007/978-981-15-1045-8_3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Inflammation constitutes a concerted series of cellular and molecular responses that follow disturbance of systemic homeostasis, by either toxins or infectious organisms. Leukocytes modulate inflammation through production of secretory mediators, like cytokines and chemokines, which work in an autocrine and/or paracrine manner. These mediators can either promote or attenuate the inflammatory response and depending on differential temporal and spatial expression play a crucial role in the outcome of infection. Even though the objective is clearance of the pathogen with minimum damage to host, the pathogenesis of multiple human pathogenic viruses has been suggested to emanate from a dysregulation of the inflammatory response, sometimes with fatal consequences. This review discusses the nature and the outcome of inflammatory response, which is triggered in the human host subsequent to infection by single-sense plus-strand RNA viruses. In view of such harmful effects of a dysregulated inflammatory response, an exogenous regulation of these reactions by either interference or supplementation of critical regulators has been suggested. Currently multiple such factors are being tested for their beneficial and adverse effects. A successful use of such an approach in diseases of viral etiology can potentially protect the affected individual without directly affecting the virus life cycle. Further, such approaches whenever applicable would be useful in mitigating death and/or debility that is caused by the infection of those viruses which have proven particularly difficult to control by either prophylactic vaccines and/or therapeutic strategies using specific antiviral drugs.
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25
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Wang JQ, Liu YR, Xia Q, Chen RN, Liang J, Xia QR, Li J. Emerging Roles for NLRC5 in Immune Diseases. Front Pharmacol 2019; 10:1352. [PMID: 31824312 PMCID: PMC6880621 DOI: 10.3389/fphar.2019.01352] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Accepted: 10/25/2019] [Indexed: 12/15/2022] Open
Abstract
Innate immunity activates the corresponding immune response relying on multiple pattern recognition receptors (PRRs) that includes pattern recognition receptors (PRRs), like NOD-like receptors (NLRs), RIG-I-like receptors (RLRs), and C-type lectin receptors (CLRs), which could accurately recognize invasive pathogens. In particular, NLRs belong to a large protein family of pattern recognition receptors in the cytoplasm, where they are highly correlated with activation of inflammatory response system followed by rapid clearance of invasive pathogens. Among the NLRs family, NLRC5, also known as NOD4 or NOD27, accounts for a large proportion and involves in immune responses far and wide. Notably, in the above response case of inflammation, the expression of NLRC5 remarkably increased in immune cells and immune-related tissues. However, the evidence for higher expression of NLRC5 in immune disease still remains controversial. It is noted that the growing evidence further accounts for the participation of NLRC5 in the innate immune response and inflammatory diseases. Moreover, NLRC5 has also been confirmed to exert a critical role in the control of regulatory diverse signaling pathways. Together with its broad participation in the occurrence and development of immune diseases, NLRC5 can be consequently treated as a potential therapeutic target. Nevertheless, the paucity of absolute understanding of intrinsic characteristics and underlying mechanisms of NLRC5 still make it hard to develop targeting drugs. Therefore, current summary about NLRC5 information is indispensable. Herein, current knowledge of NLRC5 is summarized, and research advances in terms of NLRC5 in characteristics, biological function, and regulatory mechanisms are reviewed.
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Affiliation(s)
- Jie-Quan Wang
- Department of Pharmacy, Hefei Fourth People's Hospital, Hefei, China.,Department of Pharmacy, Anhui Mental Health Center, Hefei, China.,Department of Pharmacy, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China.,School of Pharmacy, Anhui Medical University, Ministry of Education, Hefei, China
| | - Ya-Ru Liu
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Quan Xia
- Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ruo-Nan Chen
- School of Pharmacy, Anhui Medical University, Ministry of Education, Hefei, China.,Department of Pharmacy, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jun Liang
- Department of Pharmacy, Hefei Fourth People's Hospital, Hefei, China.,Department of Pharmacy, Anhui Mental Health Center, Hefei, China.,Department of Pharmacy, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China
| | - Qing-Rong Xia
- Department of Pharmacy, Hefei Fourth People's Hospital, Hefei, China.,Department of Pharmacy, Anhui Mental Health Center, Hefei, China.,Department of Pharmacy, Affiliated Psychological Hospital of Anhui Medical University, Hefei, China
| | - Jun Li
- School of Pharmacy, Anhui Medical University, Ministry of Education, Hefei, China
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26
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The Microbiology Society. Retraction notice: Hepatitis C virus activates interleukin-1β via caspase-1-inflammasome complex. J Gen Virol 2019; 100:1714. [PMID: 31647405 DOI: 10.1099/jgv.0.001339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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27
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Abouelasrar Salama S, Lavie M, De Buck M, Van Damme J, Struyf S. Cytokines and serum amyloid A in the pathogenesis of hepatitis C virus infection. Cytokine Growth Factor Rev 2019; 50:29-42. [PMID: 31718982 DOI: 10.1016/j.cytogfr.2019.10.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 10/17/2019] [Accepted: 10/21/2019] [Indexed: 02/07/2023]
Abstract
Expression of the acute phase protein serum amyloid A (SAA) is dependent on the release of the pro-inflammatory cytokines IL-1, IL-6 and TNF-α during infection and inflammation. Hepatitis C virus (HCV) upregulates SAA-inducing cytokines. In line with this, a segment of chronically infected individuals display increased circulating levels of SAA. SAA has even been proposed to be a potential biomarker to evaluate treatment efficiency and the course of disease. SAA possesses antiviral activity against HCV via direct interaction with the viral particle, but might also divert infectivity through its function as an apolipoprotein. On the other hand, SAA shares inflammatory and angiogenic activity with chemotactic cytokines by activating the G protein-coupled receptor, formyl peptide receptor 2. These latter properties might promote chronic inflammation and hepatic injury. Indeed, up to 80 % of infected individuals develop chronic disease because they cannot completely clear the infection, due to diversion of the immune response. In this review, we summarize the interconnection between SAA and cytokines in the context of HCV infection and highlight the dual role SAA could play in this disease. Nevertheless, more research is needed to establish whether the balance between those opposing activities can be tilted in favor of the host defense.
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Affiliation(s)
- Sara Abouelasrar Salama
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, Leuven, 3000, Belgium
| | - Muriel Lavie
- University of Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019, UMR 8204, Centre d'Infection et d'Immunité de Lille, Lille, France
| | - Mieke De Buck
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, Leuven, 3000, Belgium
| | - Jo Van Damme
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, Leuven, 3000, Belgium
| | - Sofie Struyf
- Laboratory of Molecular Immunology, Department of Microbiology, Immunology and Transplantation, Rega Institute for Medical Research, University of Leuven, Leuven, 3000, Belgium.
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28
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The Microbiology Society. Retraction notice: Activation of transcription factor Nrf2 by hepatitis C virus induces the cell-survival pathway. J Gen Virol 2019; 100:1715. [PMID: 31633479 DOI: 10.1099/jgv.0.001340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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29
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Beech H. Expression of concern: Hepatitis C virus activates interleukin-1β via caspase-1-inflammasome complex. J Gen Virol 2019; 100:1342. [PMID: 31441743 DOI: 10.1099/jgv.0.001313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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30
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Beech H. Expression of concern: Activation of transcription factor Nrf2 by hepatitis C virus induces the cell-survival pathway. J Gen Virol 2019; 100:1341. [PMID: 31429820 DOI: 10.1099/jgv.0.001312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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31
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Moloudizargari M, Moradkhani F, Asghari N, Fallah M, Asghari MH, Moghadamnia AA, Abdollahi M. NLRP inflammasome as a key role player in the pathogenesis of environmental toxicants. Life Sci 2019; 231:116585. [PMID: 31226415 DOI: 10.1016/j.lfs.2019.116585] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Revised: 06/13/2019] [Accepted: 06/17/2019] [Indexed: 12/26/2022]
Abstract
Exposure to environmental toxicants (ET) results in specific organ damage and auto-immune diseases, mostly mediated by inflammatory responses. The NLRP3 inflammasome has been found to be the major initiator of the associated pathologic inflammation. It has been found that ETs can trigger all the signals required for an NLRP3-mediated response. The exaggerated activation of the NLRP3 inflammasome and its end product IL-1β, is responsible for the pathogenesis caused by many ETs including pesticides, organic pollutants, heavy metals, and crystalline compounds. Therefore, an extensive study of these chemicals and their mechanisms of inflammasome (INF) activation may provide the scientific evidence for possible targeting of this pathway by proposing possible protective agents that have been previously shown to affect INF compartments and its activation. Melatonin and polyunsaturated fatty acids (PUFA) are among the safest and the most studied of these agents, which affect a wide variety of cellular and physiological processes. These molecules have been shown to suppress the NLRP3 inflammasome mostly through the regulation of cellular redox status and the nuclear factor-κB (NF-κB) pathway, rendering them potential promising compounds to overcome ET-mediated organ damage. In the present review, we have made an effort to extensively review the ETs that exert their pathogenesis via the stimulation of inflammation, their precise mechanisms of action and the possible protective agents that could be potentially used to protect against such toxicants.
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Affiliation(s)
- Milad Moloudizargari
- Department of Immunology, School of Medicine, Student Research Committee, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fatemeh Moradkhani
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Narjes Asghari
- Department of Biology, Damghan Branch, Islamic Azad University, Damghan, Iran, Islamic Republic of Iran
| | - Marjan Fallah
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mohammad Hossein Asghari
- Department of Pharmacology and Toxicology, School of Medicine, Babol University of Medical Sciences, Babol, Iran.
| | - Ali Akbar Moghadamnia
- Department of Pharmacology and Toxicology, School of Medicine, Babol University of Medical Sciences, Babol, Iran
| | - Mohammad Abdollahi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Toxicology and Diseases Group, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran.
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Retraction: Activation of TGF-β1 Promoter by Hepatitis C Virus-Induced AP-1 and Sp1: Role of TGF-β1 in Hepatic Stellate Cell Activation and Invasion. PLoS One 2019; 14:e0216025. [PMID: 31039185 PMCID: PMC6490903 DOI: 10.1371/journal.pone.0216025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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Daclatasvir and Sofosbuvir Therapy Enhance Monocyte Phenotypic Changes in Naive Chronic Hepatitis C Patients: A Prospective Cohort Study. Interdiscip Perspect Infect Dis 2019; 2019:9469567. [PMID: 30941170 PMCID: PMC6420991 DOI: 10.1155/2019/9469567] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Accepted: 12/05/2018] [Indexed: 12/23/2022] Open
Abstract
Background Liver inflammation influences monocyte function, recruitment, and consequently inflammatory and fibrogenic responses. We aimed to investigate changes in the circulating monocyte phenotypes in response to Daclatasvir-Sofosbuvir (SOF/DCV) therapy in chronic hepatitis C (CHC) and relate findings to the viral kinetics and the fibrosis score. Methods A longitudinal study involving 100 treatment-naïve patients and 30 healthy controls, tested for liver function, fibrosis scores (AST to platelet ratio index, FIB-4), and blood monocyte subsets based on CD14/CD16 expression by flow cytometer. Results CHC patients had significantly lower albumin, higher ALT, AST, alkaline phosphatase, and increased fibrosis scores [Fib-4 (1.85±0.98) and AST to platelet ratio index (APRI) (0.6±0.35)], higher monocyte and eosinophil counts and lowered neutrophil to monocyte ratio (NMR), and lymphocyte to monocyte ratio (LMR) compared to week 12 and control. CHC patients had significantly increased median [classical (52.2% versus 25.8%, P=0.004) and inflammatory CD16+ monocytes (23.1% versus 13.58%, P=0.035)]. Therapy results in achievement of sustained virological response in 92% of cases, liver function improvement, and normalization of the inflammatory monocytes subsets. Monocyte counts showed positive correlation with viral load, calculated fibrosis scores (APRI and FIB-4 score), AST, ALT, ANC, and inverse correlations with serum albumin, leukocyte, eosinophil, NMR, and LMR. Multivariate regression found eosinophil count as predictors of CD16+ monocyte count in CHC patients. Conclusion CHC infection promotes a proinflammatory and profibrotic monocytes profile. SOF/DCV therapy efficiently decreases viral load, reduces fibrosis potentials, attenuates monocyte activation, normalizes monocytes phenotypic abnormalities, and modulates monocyte subsets recruitment and differentiation later in the liver.
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Dadmanesh M, Ranjbar MM, Ghorban K. Inflammasomes and their roles in the pathogenesis of viral hepatitis and their related complications: An updated systematic review. Immunol Lett 2019; 208:11-18. [PMID: 30831142 PMCID: PMC7112799 DOI: 10.1016/j.imlet.2019.03.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 02/26/2019] [Accepted: 03/01/2019] [Indexed: 02/06/2023]
Abstract
Inflammasomes are a set of innate receptors which are the responsible molecules for activation of pro-interleukin (IL)-1β and IL-18 and induction of inflammation. Due to the key roles of the inflammasomes in the induction of inflammation, it has been hypothesized that the molecules may be the main parts of immune responses against viral infections and the tissue damage. Because some cases of viral hepatitis infections, including hepatitis B and C, are diagnosed as chronic and may be associated with various complications such as liver cirrhosis and hepatocellular carcinoma (HCC), several studies focused on the roles played by the inflammation on the pathogenesis of viral hepatitis. Based on the roles played by inflammasomes in induction of inflammation, it has been hypothesized that inflammasomes may be the main parts of the puzzle of the viral hepatitis complications. This article reviews the roles of the inflammasomes in the pathogenesis of hepatitis B and C viral infections and their complications, liver cirrhosis, and HCC.
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Affiliation(s)
- Maryam Dadmanesh
- Infectious Diseases Research Center, Aja University of Medical Sciences, Tehran, Iran; Department of Infectious Diseases, Medical School, Aja University of Medical Sciences, Tehran, Iran
| | - Mohammad Mehdi Ranjbar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran.
| | - Khodayar Ghorban
- Infectious Diseases Research Center, Aja University of Medical Sciences, Tehran, Iran; Department of Immunology, Medical School, Aja University of Medical Sciences, Tehran, Iran.
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Inflammasome Genes' Polymorphisms in Egyptian Chronic Hepatitis C Patients: Influence on Vulnerability to Infection and Response to Treatment. Mediators Inflamm 2019; 2019:3273645. [PMID: 30728751 PMCID: PMC6343134 DOI: 10.1155/2019/3273645] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Accepted: 12/09/2018] [Indexed: 12/12/2022] Open
Abstract
Chronic inflammation is a pivotal contributor to the liver damage mediated by hepatitis C virus (HCV). The NOD-like receptor, pyrin domain-containing 3 (NLRP3) inflammasome is activated by HCV in both hepatocytes and Kupffer cells. The aim of our study was to investigate the association of nine single-nucleotide polymorphisms in four inflammasome genes (NLRP3, CARD8, IL-1β, and IL-18) with the susceptibility to HCV infection and outcome of interferon treatment in 201 Egyptian chronic hepatitis C patients and 95 healthy controls. The genotyping was conducted using TaqMan predesigned SNP assay. In the comparative analysis, the CC genotype of the NLRP3 rs1539019 was found to be associated with the lower risk to chronic HCV infection (OR: 0.33, 95% CI: 0.17-0.62). This association was also found for the CA genotype and the A allele of the NLRP3 rs35829419 (OR: 0.18 and 0.22, respectively), in addition to the GG genotype and G allele of IL-18 rs1946518 (OR: 0.55 and 0.61, respectively). In contrast, the AA genotype of the IL-1β rs1143629 was significantly more frequent in HCV patients (OR: 1.7, 95% CI: 1-2.86). Notably, the frequency of the AA genotype of NLRP3 rs1539019 was significantly higher in patients with lack of response (NR) to the interferon treatment (OR: 1.95, 95% CI: 1-3.7). A similar association was found for both the CC genotype and C allele of the NLRP3 rs35829419 (OR: 2.78 and 2.73, respectively) and for the TT genotype and T allele of CARD8 rs2043211 (OR: 2.64 and 1.54, respectively). Yet, the IL-1β (rs1143629, rs1143634) and IL-18 (rs187238, rs1946518) polymorphisms did not show any significant association with response to interferon treatment. In conclusion, this study reports, for the first time, the association of genetic variations in NLRP3 with hepatitis C susceptibility and response to treatment in Egyptian patients. However, further large-scale studies are recommended to confirm our findings.
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Li H, Huang MH, Jiang JD, Peng ZG. Hepatitis C: From inflammatory pathogenesis to anti-inflammatory/hepatoprotective therapy. World J Gastroenterol 2018; 24:5297-5311. [PMID: 30598575 PMCID: PMC6305530 DOI: 10.3748/wjg.v24.i47.5297] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 11/27/2018] [Accepted: 12/01/2018] [Indexed: 02/06/2023] Open
Abstract
Hepatitis C virus (HCV) infection commonly causes progressive liver diseases that deteriorate from chronic inflammation to fibrosis, cirrhosis and even to hepatocellular carcinoma. A long-term, persistent and uncontrolled inflammatory response is a hallmark of these diseases and further leads to hepatic injury and more severe disease progression. The levels of inflammatory cytokines and chemokines change with the states of infection and treatment, and therefore, they may serve as candidate biomarkers for disease progression and therapeutic effects. The mechanisms of HCV-induced inflammation involve classic pathogen pattern recognition, inflammasome activation, intrahepatic inflammatory cascade response, and oxidative and endoplasmic reticulum stress. Direct-acting antivirals (DAAs) are the first-choice therapy for effectively eliminating HCV, but DAAs alone are not sufficient to block the uncontrolled inflammation and severe liver injury in HCV-infected individuals. Some patients who achieve a sustained virologic response after DAA therapy are still at a long-term risk for progression to liver cirrhosis and hepatocellular carcinoma. Therefore, coupling with anti-inflammatory/hepatoprotective agents with anti-HCV effects is a promising therapeutic regimen for these patients during or after treatment with DAAs. In this review, we discuss the relationship between inflammatory mediators and HCV infection, summarize the mechanisms of HCV-induced inflammation, and describe the potential roles of anti-inflammatory/hepatoprotective drugs with anti-HCV activity in the treatment of advanced HCV infection.
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Affiliation(s)
- Hu Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Meng-Hao Huang
- Division of Gastroenterology and Hepatology, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, United States
| | - Jian-Dong Jiang
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Zong-Gen Peng
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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Chen XX, Guo Z, Jin Q, Qiao S, Li R, Li X, Deng R, Feng WH, Zhang GP. Porcine reproductive and respiratory syndrome virus induces interleukin-1β through MyD88/ERK/AP-1 and NLRP3 inflammasome in microglia. Vet Microbiol 2018; 227:82-89. [PMID: 30473357 DOI: 10.1016/j.vetmic.2018.10.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 10/26/2018] [Accepted: 10/28/2018] [Indexed: 12/28/2022]
Abstract
Porcine reproductive and respiratory syndrome virus (PRRSV) infection which caused severe reproductive failure and respiratory disorders in swine is accompanied with severe nervous symptoms. Our previous studies demonstrated that microglia, the resident innate immune cells in central nervous system (CNS), could support PRRSV infection and replication in vitro. And PRRSV infection led to the increased expressions of large amounts of proinflammatory cytokines and chemokines which contributed to neuropathogenesis of PRRSV. Interleukin-1β (IL-1β) is one of the increased proinflammatory cytokines, which possesses diverse functions in immune response upon virus infection, including activation of innate immune and modulation of adaptive immune responses. Importantly, considerable evidences indicated that 1L-1β is involved in neuronal injury. Here, we demonstrated that PRRSV infection up-regulated IL-1β expression at both the mRNA and protein levels in microglia in a dose-dependent manner. Myeloid differentiation primary response gene 88 (MyD88), extracellular signal-regulated kinase1/2 (ERK) and activator protein 1 (AP-1) were involved in PRRSV induced IL-1β production in microglia. Moreover, NOD-like receptor protein 3 (NLRP3) inflammasome is activated by PRRSV in microglia, which is required for IL-1β secretion. Taken together, our data indicated that PRRSV infection could induce IL-1β up-regulation, which was likely mediated by MyD88/ERK/AP-1 and NLRP3 inflammasome. These findings will provide new insights into the molecular mechanisms of IL-1β production and some implications for neuropathogenesis of PRRSV.
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Affiliation(s)
- Xin-Xin Chen
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Zhenhua Guo
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Qianyue Jin
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Songlin Qiao
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Rui Li
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Xuewu Li
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Ruiguang Deng
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China
| | - Wen-Hai Feng
- State Key Laboratory of Agrobiotechnology, College of Biological Sciences, China Agricultural University, Beijing 100193, China
| | - Gai-Ping Zhang
- Key Laboratory of Animal Immunology of the Ministry of Agriculture, Henan Provincial Key Laboratory of Animal Immunology, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou 225009, China.
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Mazzitelli M, Torti C, Sabatino J, D'Ascoli GL, Costa C, Pisani V, Raffetti E, De Rosa S, Strazzulla A, Focà A, Liberto MC, Indolfi C. Evaluation of cardiac function by global longitudinal strain before and after treatment with sofosbuvir-based regimens in HCV infected patients. BMC Infect Dis 2018; 18:518. [PMID: 30326844 PMCID: PMC6192073 DOI: 10.1186/s12879-018-3426-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Accepted: 10/01/2018] [Indexed: 01/08/2023] Open
Abstract
Background Possible cardiotoxicity of sofosbuvir in humans has not been demonstrated yet. Also, since HCV can exert deleterious effects on hearth function, it is of interest to know whether HCV eradication provides any benefits using global longitudinal strain (GLS), a measure of left ventricular function more reliable than ejection fraction (EF). Methods Patients eligible for treatment with the combination therapy for HCV were invited to perform a transthoracic cardiac ultrasound at four different time points: before starting treatment, after one month, at the end of treatment and, after six month. Left ventricular function was measured with both EF and GLS. Results From March 2015 to December 2016, 82 patients were enrolled. Fifty-six percent patients were males. Mean age was 66.12 (SD: 9.25) years. About 20% patients did not present any cardiovascular risk factors or comorbidities. A worsening trend of GLS was observed. Variations were not found to be statistically significant when EF was studied along the follow-up. However, when GLS was studied, its variations were found to be statistically significant indicating a worsening effect, albeit with different trends in patients who underwent treatment for three months compared to six months. Worsening of GLS was found to be statistically significant even after adjusting for body mass index and liver fibrosis, independently from treatment duration. Conclusions Our results showed unexpected worsening of left ventricular function when measured through GLS after HCV treatment response induced by DAAs including sofosbuvir. Although this result is not proven to be clinically significant, the safety profile of sofosbuvir-based regimens needs to be studied further. Electronic supplementary material The online version of this article (10.1186/s12879-018-3426-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Maria Mazzitelli
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Carlo Torti
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy.
| | - Jolanda Sabatino
- Cardiovascular Institute, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Greta Luana D'Ascoli
- Cardiovascular Institute, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Chiara Costa
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Vincenzo Pisani
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Elena Raffetti
- Unit of Hygiene, Epidemiology and Public Health, Department of Medical and Surgical Specialities, Radiological Sciences and Public Health, Viale Europa, 25123, Brescia, Italy
| | - Salvatore De Rosa
- Cardiovascular Institute, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Alessio Strazzulla
- Unit of Infectious and Tropical Diseases, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Alfredo Focà
- Institute of Microbiology, Department of Health Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Maria Carla Liberto
- Institute of Microbiology, Department of Health Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
| | - Ciro Indolfi
- Cardiovascular Institute, Department of Medical and Surgical Sciences, "Magna Graecia" University of Catanzaro, Viale Europa, 88100, Catanzaro, Italy
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Li R, Lin J, Hou X, Han S, Weng H, Xu T, Li N, Chai T, Wei L. Characterization and Roles of Cherry Valley Duck NLRP3 in Innate Immunity During Avian Pathogenic Escherichia coli Infection. Front Immunol 2018; 9:2300. [PMID: 30349536 PMCID: PMC6186827 DOI: 10.3389/fimmu.2018.02300] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/17/2018] [Indexed: 02/05/2023] Open
Abstract
The nucleotide-binding oligomerization domain-like receptor (NLR) pyrin domain containing 3 (NLRP3) is a pattern recognition receptor that is involved in host innate immunity and located in the cytoplasm. In the present study, the full-length cDNA of Cherry Valley duck NLRP3 (duNLRP3) (2,805 bp encode 935 amino acids) was firstly cloned from the spleen of healthy Cherry Valley ducks, and the phylogenetic tree indicated that the duNLRP3 has the closest relationship with Anas platyrhynchos in the bird branch. According to quantitative real-time PCR analysis, the duNLRP3 mRNA has a broad expression spectrum in healthy Cherry Valley duck tissues, and the highest expression is in the pancreas. There was significant up-regulation of duNLRP3 mRNA expression in the liver and down-regulation in the spleen after infection with avian pathogenic Escherichia coli (APEC) O1K1, especially at 3 days after the infection. Ducks hatched from NLRP3-lentiviral vector-injected eggs had significantly higher duNLRP3 mRNA expression in the liver, spleen, brain, and cecum, which are tissues usually with lower background expression. The mRNA expression levels of inflammatory cytokines IL-1β, IL-18, and TNF-α significantly increased after the APEC infection in those tissues. The bacterial content in the liver and spleen decreased significantly compared with the NC-lentiviral vector-injected ducks. In addition, in the duck embryo fibroblasts, both of the overexpression and knockdown of duNLRP3 can trigger the innate immune response during the E. coli infection. Specifically, overexpression induced antibacterial activation, and knockdown reduced the antibacterial activity of the host cells. The IL-1β, IL-18, and TNF-α mRNA expressions showed up-regulation or down-regulation. The results demonstrate that duNLRP3 has a certain antibacterial activity during E. coli infection. These findings also contribute to better understanding the importance of duNLRP3 in regulating the inflammatory response and the innate immune system of ducks.
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Affiliation(s)
- Rong Li
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Jing Lin
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Xiaolan Hou
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Shaojie Han
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Hongyu Weng
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Ting Xu
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Ning Li
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Tongjie Chai
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
| | - Liangmeng Wei
- Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, College of Animal Science and Veterinary Medicine, Sino-German Cooperative Research Centre for Zoonosis of Animal Origin of Shandong Province, Shandong Agricultural University, Tai'an, China
- Collaborative Innovation Centre for the Origin and Control of Emerging Infectious Diseases of Taishan Medical College, Tai'an, China
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Wu X, Ji K, Wang H, Zhao Y, Jia J, Gao X, Zang B. Retracted
: microRNA‐542‐5p protects against acute lung injury in mice with severe acute pancreatitis by suppressing the mitogen‐activated protein kinase signaling pathway through the negative regulation of P21‐activated kinase 1. J Cell Biochem 2018; 120:290-304. [DOI: 10.1002/jcb.27356] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 06/22/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Xing‐Mao Wu
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Kai‐Qiang Ji
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Hai‐Yuan Wang
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Yang Zhao
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Jia Jia
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Xiao‐Peng Gao
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
| | - Bin Zang
- Intensive Care Unit Shengjing Hospital, China Medical University Shenyang China
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Cytosolic Recognition of Microbes and Pathogens: Inflammasomes in Action. Microbiol Mol Biol Rev 2018; 82:82/4/e00015-18. [PMID: 30209070 DOI: 10.1128/mmbr.00015-18] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Infection is a dynamic biological process underpinned by a complex interplay between the pathogen and the host. Microbes from all domains of life, including bacteria, viruses, fungi, and protozoan parasites, have the capacity to cause infection. Infection is sensed by the host, which often leads to activation of the inflammasome, a cytosolic macromolecular signaling platform that mediates the release of the proinflammatory cytokines interleukin-1β (IL-1β) and IL-18 and cleavage of the pore-forming protein gasdermin D, leading to pyroptosis. Host-mediated sensing of the infection occurs when pathogens inject or carry pathogen-associated molecular patterns (PAMPs) into the cytoplasm or induce damage that causes cytosolic liberation of danger-associated molecular patterns (DAMPs) in the host cell. Recognition of PAMPs and DAMPs by inflammasome sensors, including NLRP1, NLRP3, NLRC4, NAIP, AIM2, and Pyrin, initiates a cascade of events that culminate in inflammation and cell death. However, pathogens can deploy virulence factors capable of minimizing or evading host detection. This review presents a comprehensive overview of the mechanisms of microbe-induced activation of the inflammasome and the functional consequences of inflammasome activation in infectious diseases. We also explore the microbial strategies used in the evasion of inflammasome sensing at the host-microbe interaction interface.
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Ainouze M, Rochefort P, Parroche P, Roblot G, Tout I, Briat F, Zannetti C, Marotel M, Goutagny N, Auron P, Traverse-Glehen A, Lunel-Potencier A, Golfier F, Masson M, Robitaille A, Tommasino M, Carreira C, Walzer T, Henry T, Zanier K, Trave G, Hasan UA. Human papillomavirus type 16 antagonizes IRF6 regulation of IL-1β. PLoS Pathog 2018; 14:e1007158. [PMID: 30089163 PMCID: PMC6124776 DOI: 10.1371/journal.ppat.1007158] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 09/05/2018] [Accepted: 06/15/2018] [Indexed: 12/15/2022] Open
Abstract
Human papillomavirus type 16 (HPV16) and other oncoviruses have been shown to block innate immune responses and to persist in the host. However, to avoid viral persistence, the immune response attempts to clear the infection. IL-1β is a powerful cytokine produced when viral motifs are sensed by innate receptors that are members of the inflammasome family. Whether oncoviruses such as HPV16 can activate the inflammasome pathway remains unknown. Here, we show that infection of human keratinocytes with HPV16 induced the secretion of IL-1β. Yet, upon expression of the viral early genes, IL-1β transcription was blocked. We went on to show that expression of the viral oncoprotein E6 in human keratinocytes inhibited IRF6 transcription which we revealed regulated IL-1β promoter activity. Preventing E6 expression using siRNA, or using E6 mutants that prevented degradation of p53, showed that p53 regulated IRF6 transcription. HPV16 abrogation of p53 binding to the IRF6 promoter was shown by ChIP in tissues from patients with cervical cancer. Thus E6 inhibition of IRF6 is an escape strategy used by HPV16 to block the production IL-1β. Our findings reveal a struggle between oncoviral persistence and host immunity; which is centered on IL-1β regulation.
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Affiliation(s)
- Michelle Ainouze
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Pauline Rochefort
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Peggy Parroche
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Guillaume Roblot
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Issam Tout
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - François Briat
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Claudia Zannetti
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Marie Marotel
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Nadege Goutagny
- Cancer Research Centre of Lyon, INSERM U1052-CNRS UMR5286, Lyon, France
| | - Philip Auron
- Duquesne University, Pittsburgh, Pennsylvania, United States of America
| | - Alexandra Traverse-Glehen
- Hospices Civils de Lyon, France
- Cancer Research Centre of Lyon, INSERM U1052-CNRS UMR5286, Lyon, France
| | | | | | | | | | | | | | - Thierry Walzer
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | - Thomas Henry
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
| | | | | | - Uzma Ayesha Hasan
- Centre International de recherche en Infectiologie, CIRI, Inserm, U1111, Lyon, France
- Université Claude Bernard Lyon 1, Lyon, France
- CNRS, UMR5308, Lyon, France
- École Normale Supérieure de Lyon, Univ Lyon, France
- Hospices Civils de Lyon, France
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The role of the NLRP3 inflammasome and the activation of IL-1β in the pathogenesis of chronic viral hepatic inflammation. Cytokine 2018; 110:389-396. [PMID: 29803661 DOI: 10.1016/j.cyto.2018.04.032] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 04/06/2018] [Accepted: 04/26/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND AND AIMS Chronic viral hepatitis is a prevalent disease with major health implications. Its underlying pathophysiological mechanisms are not fully understood. IL-1β and the NLRP3 inflammasome involvement has been suggested in recent years, from in vitro data and data from peripheral blood samples. Therefore, we investigated IL-1β and the NLRP3 inflammasome in liver tissues in an effort to clarify their role in the pathophysiology of chronic viral hepatitis. METHODS We studied liver biopsies from patients with a new diagnosis of either chronic hepatitis B (CHB) and chronic hepatitis C (CHC) or patients with chronic hepatitis B in remission (CHB-rem). The biopsies were separated in two parts. The first part was sent to histology to determine the grade of inflammation and fibrosis. From the second part, RNA was extracted and converted to cDNA used in semi-quantitative Real-Time PCR to measure the levels of IL1B, CASP1, NLRP3, ASC and IL1RA. The cell lines used in the in vitro experiments were Huh7.5, LX2 and THP-1 in variety of combinations of monocultures, co-cultures and triple cultures with one of the cell lines infected with the JFH-1 HCV clone. From the cell cultures RNA was extracted and converted to cDNA. For cell lines, we focused in the expression of IL1B and NLRP3. RESULTS The expression of IL1B, CASP1 and NLRP3 were found significantly different between our groups (p = 0.001, p = 0.001 and p = 0.038, respectively). CHB patients displayed significantly higher IL1B and CASP1 mRNA levels compared to both CHB-rem and CHC patients. IL1B expression significantly correlates with liver biochemical data in CHB patients (AST: p = 0.006, r = 0.457; ALT p = 0.002, r = 0.497). Finally, mRNA levels of IL1B in CHB patients significantly correlate with the degree of inflammation (p = 0.016) but not the stage of fibrosis (p = 0.362). Interestingly, the relative expression of IL1B in triple culture experiments in vitro was below of 1.5-fold, suggesting no activation of IL1B. Moreover, no activation of NLRP3 was demonstrated in all investigated in vitro conditions. CONCLUSION IL-1β might play an important role in the pathogenesis of chronic hepatic inflammation from HBV, but not from HCV.
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Gemilyan M, Hakobyan G, Ananyan S. Long-term familial Mediterranean fever remission on successful hepatitis C virus treatment in a patient not responding to colchicine: a case report. J Med Case Rep 2018; 12:130. [PMID: 29773081 PMCID: PMC5958404 DOI: 10.1186/s13256-018-1691-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 04/17/2018] [Indexed: 11/16/2022] Open
Abstract
Background Familial Mediterranean fever is an autosomal recessive disorder characterized by periodic febrile attacks of aseptic serositis and/or arthritis. The main treatment is colchicine which prevents attacks in the majority of patients except for a group of colchicine-resistant cases. Chronic hepatitis C is a viral infection causing chronic inflammation of liver tissue (hepatitis) which ultimately progresses to fibrosis and liver cirrhosis with a high chance of hepatocellular carcinoma. However, we found no data in the literature concerning the impact of hepatitis C on the course of attacks of familial Mediterranean fever. Case presentation We report a case of a 21-year-old white woman with familial Mediterranean fever who had not been responding to a high dose of colchicine (2 mg/day). She presented to our clinic with a finding of chronic hepatitis C genotype 3 infection. After successful antiviral therapy with peginterferon and ribavirin, she became attack-free for 2 years and went on to a lower dose of colchicine. Conclusions This unusual case illustrates complete resolution of attacks of autoinflammatory disease after drug-induced clearance of chronic hepatitis C infection. Coexisting infections should be viewed as potentially altering the course of autoinflammatory disorders, and any attempt to cure the infections should be made in order to gain an added value of benefiting the chronic disease. This case highlights the interrelation of external pathogen-related and genetically inherited alterations in immunity and the importance of considering the whole spectrum of possible causative factors rather than implementing separate guidelines in order to achieve best quality of medical care in any given patient.
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Affiliation(s)
- Manik Gemilyan
- Department of Internal Medicine, Yerevan State Medical University, 2 Koryun st, 0025, Yerevan, Armenia.
| | - Gagik Hakobyan
- Department of Internal Medicine, Yerevan State Medical University, 2 Koryun st, 0025, Yerevan, Armenia
| | - Susanna Ananyan
- Department of Gastroenterology, "Armenia" Republican Medical Center, Yerevan, Armenia
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45
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Hopcraft SE, Damania B. Tumour viruses and innate immunity. Philos Trans R Soc Lond B Biol Sci 2018; 372:rstb.2016.0267. [PMID: 28893934 DOI: 10.1098/rstb.2016.0267] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2017] [Indexed: 12/13/2022] Open
Abstract
Host cells sense viral infection through pattern recognition receptors (PRRs), which detect pathogen-associated molecular patterns (PAMPs) and stimulate an innate immune response. PRRs are localized to several different cellular compartments and are stimulated by viral proteins and nucleic acids. PRR activation initiates signal transduction events that ultimately result in an inflammatory response. Human tumour viruses, which include Kaposi's sarcoma-associated herpesvirus, Epstein-Barr virus, human papillomavirus, hepatitis C virus, hepatitis B virus, human T-cell lymphotropic virus type 1 and Merkel cell polyomavirus, are detected by several different PRRs. These viruses engage in a variety of mechanisms to evade the innate immune response, including downregulating PRRs, inhibiting PRR signalling, and disrupting the activation of transcription factors critical for mediating the inflammatory response, among others. This review will describe tumour virus PAMPs and the PRRs responsible for detecting viral infection, PRR signalling pathways, and the mechanisms by which tumour viruses evade the host innate immune system.This article is part of the themed issue 'Human oncogenic viruses'.
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Affiliation(s)
- Sharon E Hopcraft
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Blossom Damania
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA .,Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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Cheung KT, Sze DMY, Chan KH, Leung PHM. Involvement of caspase-4 in IL-1 beta production and pyroptosis in human macrophages during dengue virus infection. Immunobiology 2018; 223:356-364. [DOI: 10.1016/j.imbio.2017.10.044] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2015] [Accepted: 10/19/2017] [Indexed: 12/23/2022]
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47
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Shui YM, Lu SY, Guo X, Liu XL, Fu BQ, Hu P, Qu LL, Liu NN, Li YS, Wang LL, Zhai FF, Ju DD, Liu ZS, Zhou Y, Ren HL. Molecular characterization and differential expression analysis of interleukin 1β from Ovis aries. Microb Pathog 2018; 116:180-188. [DOI: 10.1016/j.micpath.2018.01.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 12/28/2017] [Accepted: 01/07/2018] [Indexed: 11/30/2022]
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48
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Wu CS, Chang KP, OuYang CN, Kao HK, Hsueh C, Chen LC, Cheng HY, Liang Y, Liou W, Liang CL, Chang YS. ASC contributes to metastasis of oral cavity squamous cell carcinoma. Oncotarget 2018; 7:50074-50085. [PMID: 27367024 PMCID: PMC5226569 DOI: 10.18632/oncotarget.10317] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2015] [Accepted: 06/07/2016] [Indexed: 12/13/2022] Open
Abstract
ASC (Apoptosis-associated Speck-like protein containing a CARD) acts as a platform protein in the inflammasome cascade of some cancer types. However, its potential involvement in OSCC (oral cavity squamous cell carcinoma) has not yet been determined. Here, we investigated the potential role of ASC in OSCC. RT-qPCR analysis of 20 paired tumor and adjacent normal tissue samples revealed that the mRNA levels of ASC, along with IL-1β, CASP1, and NLRP3 in ASC-associated NLRP3 inflammasome were significantly elevated in OSCC tissues. Immunohistochemical staining of these four proteins in 111 clinical specimens revealed that high-level expression of ASC was significantly associated with tumor stage, node stage (p=0.001), overall stage (p<0.001), extracapsular spread (p<0.001), perineural invasion (p=0.004) and tumor depth (p<0.001). Kaplan-Meier survival analysis further revealed that high-level ASC expression was correlated with poorer overall survival (p=0.001), disease-specific survival (p<0.001) and disease-free survival (p<0.001). Studies using OSCC cell lines indicated that high-level ASC expression enhanced cell migration and invasion, and experiments using an orthotropic nude mouse model confirmed that ASC overexpression induced metastasis of OSCC cells. This is the first report to show that ASC contributes to OSCC metastasis, and that high-level ASC expression is a marker for poor prognosis in OSCC patients.
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Affiliation(s)
- Chi-Sheng Wu
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Kai-Ping Chang
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,Department of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chun-Nan OuYang
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Huang-Kai Kao
- Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chuen Hsueh
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,Department of Pathology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Lih-Chyang Chen
- Department of Medicine, Mackay Medical College, New Taipei City, Taiwan
| | - Hsiao-Yun Cheng
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Ying Liang
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan
| | - Willisa Liou
- Department of Anatomy, Chang Gung University, Taoyuan, Taiwan
| | - Chih-Lung Liang
- School of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Yu-Sun Chang
- Chang Gung Molecular Medicine Research Center, Chang Gung University, Taoyuan, Taiwan.,Graduate Institute of Basic Medical Sciences, Chang Gung University, Taoyuan, Taiwan.,Department of Otolaryngology-Head & Neck Surgery, Chang Gung Memorial Hospital, Taoyuan, Taiwan
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Kanak MA, Shindo Y, SaiKumar P, Naziruddin B. Role of Inflammasomes in the Development of Gastrointestinal Diseases. EXPERIENTIA SUPPLEMENTUM (2012) 2018; 108:235-268. [PMID: 30536174 DOI: 10.1007/978-3-319-89390-7_10] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Many diseases of the gastrointestinal tract have been attributed to chronic inflammation, and a few have identified the role of inflammasomes in their pathogenesis. Inflammasomes are a group of protein complexes comprising of several intracellular proteins that link the sensing of microbial products and metabolic stress to the proteolytic activation of the proinflammatory cytokines. Recent studies have implicated activation of several families of NOD-like receptors (NLRs) which are major components of inflammasomes in the development and exacerbation of many diseases of human systems. In this chapter, we discuss the role of inflammasomes in some of the most prevalent diseases of the gastrointestinal tract and highlight potential targets for treatment.
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Affiliation(s)
- Mazhar A Kanak
- Division of Transplantation, Department of Surgery, Virginia Commonwealth University Medical Center, Richmond, VA, USA
| | - Yoshitaro Shindo
- Division of Transplantation, Department of Surgery, Virginia Commonwealth University Medical Center, Richmond, VA, USA
| | | | - Bashoo Naziruddin
- Sammons Cancer Center, Baylor Simmons Transplant Institute, Dallas, TX, USA.
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50
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Wu X, Dong L, Lin X, Li J. Relevance of the NLRP3 Inflammasome in the Pathogenesis of Chronic Liver Disease. Front Immunol 2017; 8:1728. [PMID: 29312290 PMCID: PMC5732938 DOI: 10.3389/fimmu.2017.01728] [Citation(s) in RCA: 78] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Accepted: 11/22/2017] [Indexed: 12/28/2022] Open
Abstract
Inflammation is a common characteristic of chronic liver disease (CLD). Inflammasomes are multiprotein complexes that can sense and recognize various exogenous and endogenous danger signals, eventually activating interleukin (IL)-1β and IL-18. The sensor component of the inflammasome system is a nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs). The NLRs family pyrin domain containing 3 (NLRP3) inflammasome has been involved in the initiation and progression of CLD. However, the molecular mechanisms by which it triggers liver inflammation and damage remain unclear. Here, we focus on recent advances on the potential role of NLRP3 inflammasome activation in the progression of CLD, including viral hepatitis, non-alcoholic steatohepatitis and alcoholic liver disease, and in particular, its ability to alleviate liver inflammation in animal models. Additionally, we also discuss various pharmacological inhibitors identifying the NLRP3 inflammasome signaling cascade as novel therapeutic targets in the treatment of CLD. In summary, this review summarizes the relevance of the NLRP3 inflammasome in the initiation and progression of CLD, and provides critical targets to suppress the development of CLD in clinical management.
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Affiliation(s)
- Xiaoqin Wu
- Department of Cardiology, First Affiliated Hospital of Anhui Medical University, Hefei, China.,Department of Pediatrics, Division of Hematology/Oncology, Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA, United States.,School of Pharmacy, Institute for Liver Diseases of Anhui Medical University, ILDAMU, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Medical University, Hefei, China
| | - Lei Dong
- Department of Pediatrics, Division of Hematology/Oncology, Aflac Cancer and Blood Disorders Center, Children's Healthcare of Atlanta, Emory University School of Medicine, Atlanta, GA, United States.,School of Life Science, Beijing Institute of Technology, Beijing, China
| | - Xianhe Lin
- Department of Cardiology, First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Jun Li
- School of Pharmacy, Institute for Liver Diseases of Anhui Medical University, ILDAMU, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Medical University, Hefei, China
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