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Amancherla K, Feurer ID, Rega SA, Cluckey A, Salih M, Davis J, Pedrotty D, Ooi H, Rali AS, Siddiqi HK, Menachem J, Brinkley DM, Punnoose L, Sacks SB, Zalawadiya SK, Wigger M, Balsara K, Trahanas J, McMaster WG, Hoffman J, Pasrija C, Lindenfeld J, Shah AS, Schlendorf KH. Early Assessment of Cardiac Allograft Vasculopathy Risk Among Recipients of Hepatitis C Virus-infected Donors in the Current Era. J Card Fail 2024; 30:694-700. [PMID: 37907147 PMCID: PMC11056484 DOI: 10.1016/j.cardfail.2023.09.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2023] [Revised: 09/22/2023] [Accepted: 09/27/2023] [Indexed: 11/02/2023]
Abstract
BACKGROUND Transplantation of hearts from hepatitis C virus (HCV)-positive donors has increased substantially in recent years following development of highly effective direct-acting antiviral therapies for treatment and cure of HCV. Although historical data from the pre-direct-acting antiviral era demonstrated an association between HCV-positive donors and accelerated cardiac allograft vasculopathy (CAV) in recipients, the relationship between the use of HCV nucleic acid test-positive (NAT+) donors and the development of CAV in the direct-acting antiviral era remains unclear. METHODS AND RESULTS We performed a retrospective, single-center observational study comparing coronary angiographic CAV outcomes during the first year after transplant in 84 heart transplant recipients of HCV NAT+ donors and 231 recipients of HCV NAT- donors. Additionally, in a subsample of 149 patients (including 55 in the NAT+ cohort and 94 in the NAT- cohort) who had serial adjunctive intravascular ultrasound examination performed, we compared development of rapidly progressive CAV, defined as an increase in maximal intimal thickening of ≥0.5 mm in matched vessel segments during the first year post-transplant. In an unadjusted analysis, recipients of HCV NAT+ hearts had reduced survival free of CAV ≥1 over the first year after heart transplant compared with recipients of HCV NAT- hearts. After adjustment for known CAV risk factors, however, there was no significant difference between cohorts in the likelihood of the primary outcome, nor was there a difference in development of rapidly progressive CAV. CONCLUSIONS These findings support larger, longer-term follow-up studies to better elucidate CAV outcomes in recipients of HCV NAT+ hearts and to inform post-transplant management strategies.
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Affiliation(s)
- Kaushik Amancherla
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Irene D Feurer
- Departments of Surgery and Biostatistics, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Scott A Rega
- Vanderbilt Transplant Center, Nashville, Tennessee
| | - Andrew Cluckey
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Mohamed Salih
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jonathan Davis
- Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Dawn Pedrotty
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Henry Ooi
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Aniket S Rali
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Hasan K Siddiqi
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jonathan Menachem
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Douglas M Brinkley
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Lynn Punnoose
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Suzanne B Sacks
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Sandip K Zalawadiya
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Mark Wigger
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Keki Balsara
- Department of Cardiac Surgery, Medstar Washington Hospital Center, Washington, DC
| | - John Trahanas
- Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - William G McMaster
- Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Jordan Hoffman
- Division of Cardiothoracic Surgery, University of Colorado, Aurora, Colorado
| | - Chetan Pasrija
- Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Joann Lindenfeld
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Ashish S Shah
- Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Kelly H Schlendorf
- Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee.
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Zaid AB, Almady SK, Awad SM, Elabd MG, Saied SA, Saied AA, Elmalawany AM. Sofosbuvir (+) daclatasvir (+) ribavirin in Egyptian patients with hepatitis C virus: Therapeutic outcomes and the prognostic role of natural killer cells. Curr Res Transl Med 2024; 72:103443. [PMID: 38447269 DOI: 10.1016/j.retram.2024.103443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/02/2024] [Accepted: 02/29/2024] [Indexed: 03/08/2024]
Abstract
BACKGROUND One of the prominent causes of chronic liver disease worldwide is the hepatitis C virus (HCV). HCV believed that innate immunity contributes to a sustained virological response (SVR) to the treatment of Sofosbuvir (SOF) (+) Daclatasvir (DCV) (+) Ribavirin (RBV). This study aimed to evaluate the impact of SOF (+) DCV (+) RBV therapy and persistent HCV infection on the subset of natural killer cells (NK) in HCV genotype four patients from Egypt. MATERIALS AND METHODS One hundred and ten patients with persistent HCV infections requiring SOF (+) DCV (+) RBV therapy were grouped, and a flow cytometry (FCM) study of the NK cell subset in peripheral blood was performed. The assessment was performed before and after three and/or six months of the cessation of viral suppression therapy when a patient had a long-term viral response (SVR). One hundred and ten volunteers from the National Liver Institute's (NLI) blood bank were selected as controls. RESULTS Patients with chronic HCV infection before therapy had considerably lower CD16+ and CD3- CD56+ cells than controls. Their levels increase during SOF (+) DCV (+) RBV therapy. In patients with SVR during treatment, CD16+ and CD3- CD56+ cells increased significantly compared to those who did not get SVR. Furthermore, CD56+ cells were significantly higher in patients with persistent infection before treatment than controls but diminished with the response to treatment. CONCLUSION NK cell activation following SOF (+) DCV (+) RBV therapy and polarization to cytotoxicity occurred early in HCV antiviral therapy and was elevated in the respondents. Our data illustrated that establishing an inhibitory cytotoxic NK profile is related to therapeutic outcomes.
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Affiliation(s)
- Ahmed B Zaid
- Department of Clinical Pathology, National Liver Institute, Menoufia University, Shibin Elkom 32511, Egypt
| | - Shimaa K Almady
- Department of Hepatology and Gastroenterology, National Liver Institute, Menoufia University, Shibin-Elkom 32511, Egypt
| | - Samah M Awad
- Department of Clinical Microbiology, National Liver Institute, Menoufia University, Shibin Elkom 32511, Egypt
| | - Mona G Elabd
- Department of Clinical Pathology, National Liver Institute, Menoufia University, Shibin Elkom 32511, Egypt
| | - Sara A Saied
- Department of Clinical Pathology, National Liver Institute, Menoufia University, Shibin Elkom 32511, Egypt
| | | | - Alshimaa M Elmalawany
- Department of Clinical Pathology, National Liver Institute, Menoufia University, Shibin Elkom 32511, Egypt.
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Tsukanov VV, Savchenko AA, Cherepnin MA, Kasparov EV, Tikhonova EP, Vasyutin AV, Tonkikh JL, Anisimova AA, Belenyuk VD, Borisov AG. Association of Blood NK Cell Phenotype with the Severity of Liver Fibrosis in Patients with Chronic Viral Hepatitis C with Genotype 1 or 3. Diagnostics (Basel) 2024; 14:472. [PMID: 38472945 DOI: 10.3390/diagnostics14050472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/06/2024] [Accepted: 02/16/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND NK cells phenotype and functional state in different genotypes of chronic viral hepatitis C (CVHC), depending on liver fibrosis severity, have not been sufficiently studied, which limits the possibilities for the development of pathology therapy. METHODS The CVHC diagnosis was based on the EASL recommendations (2018). Clinical examination with liver elastometry was performed in 297 patients with genotype 1 and in 231 patients with genotype 3 CVHC. The blood NK cells phenotype was determined by flow cytometry in 74 individuals with genotype 1 and in 69 individuals with genotype 3 CVHC. RESULTS The frequency of METAVIR liver fibrosis stages F3-F4 was 32.5% in individuals with genotype 3, and 20.5% in individuals with genotype 1 CVHC (p = 0.003). In patients with both genotype 1 and genotype 3 CVHC, a decrease in the total number of blood NK cells, CD56brightCD16+ NK cells and an increase in the proportion of CD56dimCD16+ NK cells, CD94+ and CD38 + CD73+ NK cells were registered in patients with fibrosis stage F3-F4 by METAVIR in comparison with persons with METAVIR fibrosis stage F0-F1. CONCLUSIONS In patients with both genotype 1 and genotype 3 CVHC, an imbalance in the ratio between cytokine-producing and cytotoxic NK cells and an increase in the content of NK cells that express inhibitory molecules were determined in patients with severe liver fibrosis.
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Affiliation(s)
- Vladislav Vladimirovich Tsukanov
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Andrei Anatolyevich Savchenko
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Mikhail Aleksandrovich Cherepnin
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Eduard Vilyamovich Kasparov
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Elena Petrovna Tikhonova
- Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky of the Ministry of Healthcare of Russian Federation, 660022 Krasnoyarsk, Russia
| | - Alexander Viktorovich Vasyutin
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Julia Leongardovna Tonkikh
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Anna Alexandrovna Anisimova
- Krasnoyarsk State Medical University Named after Prof. V.F. Voino-Yasenetsky of the Ministry of Healthcare of Russian Federation, 660022 Krasnoyarsk, Russia
| | - Vasily Dmitrievich Belenyuk
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
| | - Alexandr Gennadyevich Borisov
- Federal Research Center "Krasnoyarsk Science Center" of the Siberian Branch of the Russian Academy of Sciences, Scientific Research Institute of Medical Problems of the North, 660022 Krasnoyarsk, Russia
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Kleczka A, Mazur B, Tomaszek K, Gabriel A, Dzik R, Kabała-Dzik A. Association of NK Cells with the Severity of Fibrosis in Patients with Chronic Hepatitis C. Diagnostics (Basel) 2023; 13:2187. [PMID: 37443584 DOI: 10.3390/diagnostics13132187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
Some NK cell subpopulations may be involved in the modulation of fibrogenesis in the liver. The aim of the study was to evaluate the relationship between the number and phenotype of NK cell subsets in peripheral blood (PB) and total NK cell percentage, population density and the degree of liver fibrosis of patients infected with hepatitis C virus (HCV+). The study group consisted of 56 HCV+ patients, divided into two subgroups: patients with mild or moderate fibrosis and patients with advanced liver fibrosis or cirrhosis (F ≥ 3 in METAVIR classification). The preparations were stained with H-E and AZAN staining. NK cells were targeted with anti-CD56 antibody and identified automatically in situ using the DakoVision system. Assessment of different NK cell subsets in PB was performed with the flow cytometry technique. In the PB of HCV+ patients with advanced liver fibrosis, there was a lower proportion of CD62L+; CD62L+/CD94++; CD27+; CD127+/CD27+ and CXCR3+/CD27+ NK subsets, as compared to patients with mild/moderate liver fibrosis. The results also showed no association between total PB NK cell level and total intrahepatic NK cell population density between patients with mild/moderate fibrosis and with advanced liver fibrosis. However, positive correlations between the PB levels of CD94+ and CD62L+ NK cell subsets and the intrahepatic total NK cell percentage and population density in the liver, irrespectively to the extent of fibrosis, were observed. Additionally, positive correlation was found between the PB CXCR3+/CD94+ NK cell percentages and intrahepatic NK cell percentages in patients with advanced hepatic fibrosis. Lower blood availability of specific NK subsets in patients with chronic type C hepatitis might be a cause of progression of liver fibrosis via insufficient control over hepatic stellate cells.
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Affiliation(s)
- Anna Kleczka
- Department of Pathology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Ostrogórska 30, 41-200 Sosnowiec, Poland
| | - Bogdan Mazur
- Department of Microbiology and Immunology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, 40-808 Zabrze, Poland
| | - Krzysztof Tomaszek
- Department of Pathomorphology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, 40-800 Zabrze, Poland
| | - Andrzej Gabriel
- Department of Pathomorphology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia in Katowice, 40-800 Zabrze, Poland
| | - Radosław Dzik
- Faculty of Biomedical Engineering, Department of Biosensors and Processing of Biomedical Signals, Silesian University of Technology, Roosevelta 40, 41-800 Zabrze, Poland
| | - Agata Kabała-Dzik
- Department of Pathology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia in Katowice, Ostrogórska 30, 41-200 Sosnowiec, Poland
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Zhang X, Jiang Y, Li S, Bian D, Liu M, Kong M, Chen Y, Duan Z, Zheng S. Direct-acting Antiviral-induced Transient Recovery of NK Cells in Early-stage Treatment of Chronic Hepatitis C Patients. J Clin Transl Hepatol 2022; 10:1117-1124. [PMID: 36381106 PMCID: PMC9634778 DOI: 10.14218/jcth.2021.00427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/30/2021] [Accepted: 12/27/2021] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND AND AIMS The rapid clearance of hepatitis C virus induced by direct-acting antivirals (DAAs) affects natural killer (NK) cells, but the reported results are not consistent, and the relative mechanism was unclear. This study focused on the dynamic changes of NK cells during and after DAA treatment and analyzed the reasons. METHODS Peripheral blood from 35 chronic hepatitis C patients who were treated with DAAs were collected at baseline and weeks 1, 2, 4, 12, and post-treatment week-12. The frequency, subset, and phenotype of NK cells were assayed by flow cytometry. Lactate dehydrogenase assays were used to evaluate the cytotoxicity of NK cells. Cytokine concentrations were measured with Luminex kits. RESULTS All patients achieved a sustained viral response (SVR), and the NK cell frequencies were not changed significantly during DAA therapy. However, the cytotoxicity of NK cells recovered significantly early in week 1, and then continuously decreased below normal levels. The changes of genotypes including NKp30+, NKp46+, and NKG2A+ NK cells were parallel to NK function. The subset of CD56dim NK cells continuously increased and did not return to normal even at 12 weeks after treatment. Interleukin (IL)-2, IL10, IL15, interferon-gamma, and tumor necrosis factor-alpha all increased after week 4, peaked at the end of therapy, and then exhibited varying degrees of reduction with time. CONCLUSIONS DAA treatment led to transient functional recovery of NK cells in the early stage of treatment, and then continuously decreased to below normal levels. Alterations of NK subsets, phenotypes, and the microenvironment may be involved in the changes.
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Affiliation(s)
- Xiaohui Zhang
- The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment & Research, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Correspondence to: Sujun Zheng, The First Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China. ORCID: https://0000-0002-6367-5764. Tel: +86-10-63291007, Fax: +86-10-63291007, E-mail: ; Xiaohui Zhang, The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China. ORCID: https://orcid.org/0000-0002-4746-4262. Tel: +86-10-63291007, Fax: +86-10-63291007, E-mail:
| | - Yingying Jiang
- Department of Gastroenterology and Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Shaobin Li
- School of Energy and Power Engineering,Beihang University, Beijing, China
| | - Dandan Bian
- Department of Infectious Diseases, Electric Power Teaching Hospital, Capital Medical University, Beijing, China
| | - Mei Liu
- Oncology Department, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Ming Kong
- The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment & Research, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Yu Chen
- The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment & Research, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Zhongping Duan
- The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment & Research, Beijing YouAn Hospital, Capital Medical University, Beijing, China
| | - Sujun Zheng
- Beijing Municipal Key Laboratory of Liver Failure and Artificial Liver Treatment & Research, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- The First Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing, China
- Correspondence to: Sujun Zheng, The First Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China. ORCID: https://0000-0002-6367-5764. Tel: +86-10-63291007, Fax: +86-10-63291007, E-mail: ; Xiaohui Zhang, The Fourth Department of Hepatology, Beijing YouAn Hospital, Capital Medical University, Beijing 100069, China. ORCID: https://orcid.org/0000-0002-4746-4262. Tel: +86-10-63291007, Fax: +86-10-63291007, E-mail:
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Han HT, Jin WL, Li X. Mesenchymal stem cells-based therapy in liver diseases. MOLECULAR BIOMEDICINE 2022; 3:23. [PMID: 35895169 PMCID: PMC9326420 DOI: 10.1186/s43556-022-00088-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Accepted: 06/20/2022] [Indexed: 12/24/2022] Open
Abstract
Multiple immune cells and their products in the liver together form a complex and unique immune microenvironment, and preclinical models have demonstrated the importance of imbalances in the hepatic immune microenvironment in liver inflammatory diseases and immunocompromised liver diseases. Various immunotherapies have been attempted to modulate the hepatic immune microenvironment for the purpose of treating liver diseases. Mesenchymal stem cells (MSCs) have a comprehensive and plastic immunomodulatory capacity. On the one hand, they have been tried for the treatment of inflammatory liver diseases because of their excellent immunosuppressive capacity; On the other hand, MSCs have immune-enhancing properties in immunocompromised settings and can be modified into cellular carriers for targeted transport of immune enhancers by genetic modification, physical and chemical loading, and thus they are also used in the treatment of immunocompromised liver diseases such as chronic viral infections and hepatocellular carcinoma. In this review, we discuss the immunological basis and recent strategies of MSCs for the treatment of the aforementioned liver diseases. Specifically, we update the immune microenvironment of the liver and summarize the distinct mechanisms of immune microenvironment imbalance in inflammatory diseases and immunocompromised liver diseases, and how MSCs can fully exploit their immunotherapeutic role in liver diseases with both immune imbalance patterns.
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Zhou Y, Lan H, Shi H, Wu P, Zhou Y. Evaluating the diversity of circulating natural killer cells between active tuberculosis and latent tuberculosis infection. Tuberculosis (Edinb) 2022; 135:102221. [DOI: 10.1016/j.tube.2022.102221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 05/16/2022] [Accepted: 05/24/2022] [Indexed: 11/24/2022]
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Datfar T, Doulberis M, Papaefthymiou A, Hines IN, Manzini G. Viral Hepatitis and Hepatocellular Carcinoma: State of the Art. Pathogens 2021; 10:pathogens10111366. [PMID: 34832522 PMCID: PMC8619105 DOI: 10.3390/pathogens10111366] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2021] [Revised: 09/26/2021] [Accepted: 10/18/2021] [Indexed: 02/06/2023] Open
Abstract
Viral hepatitis is one of the main causes leading to hepatocellular carcinoma (HCC). The continued rise in incidence of HCC suggests additional factors following infection may be involved. This review examines recent studies investigating the molecular mechanisms of chronic hepatitis and its association with hepatocarcinogenesis. Hepatitis B virus patients with genotype C display an aggressive disease course leading to HCC more than other genotypes. Furthermore, hepatitis B excretory antigen (HBeAg) seems to be a more sensitive predictive tumor marker exhibiting a six-fold higher relative risk in patients with positive HBsAg and HBeAg than those with HBsAg only. Single or combined mutations of viral genome can predict HCC development in up to 80% of patients. Several mutations in HBx-gene are related with higher HCC incidence. Overexpression of the core protein in HCV leads to hepatocellular lipid accumulation associated with oncogenesis. Reduced number and decreased functionality of natural killer cells in chronic HCV individuals dysregulate their surveillance function in tumor and viral cells resulting in HCC. Furthermore, high T-cell immunoglobulin and mucin 3 levels supress CD8+ T-cells, which lead to immunological dysregulation. Hepatitis D promotes HCC development indirectly via modifications to innate immunity, epigenetic alterations and production of reactive oxygen species with the LHDAg being the most highly associated with HCC development. Summarizing the results, HBV and HCV infection represent the most associated forms of viral hepatitis causing HCC. Further studies are warranted to further improve the prediction of high-risk patients and development of targeted therapeutics preventing the transition from hepatic inflammation–fibrosis to cancer.
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Affiliation(s)
- Toofan Datfar
- Department of General and Visceral Surgery, Hospital of Aarau, 5001 Aarau, Switzerland;
- Correspondence: ; Tel.: +41-76-4930834
| | - Michael Doulberis
- Department of Gastroenterology and Hepatology, Hospital of Aarau, 5001 Aarau, Switzerland;
| | | | - Ian N. Hines
- Department of Nutrition Science, East Carolina University, Greenville, NC 27858, USA;
| | - Giulia Manzini
- Department of General and Visceral Surgery, Hospital of Aarau, 5001 Aarau, Switzerland;
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Abstract
Natural Killer (NK) cells are key effectors of the innate immune system which represent the first line of defense against viral infections. NK cell activation depends on the engagement of a complex receptor repertoire expressed on their surface, consisting of both activating and inhibitory receptors. Among the known NK cell receptors, the family of killer Ig-like receptors (KIRs) consists in activating/inhibitory receptors that interact with specific human leukocyte antigen (HLA) molecules expressed on target cells. In particular, the expression of peculiar KIRs have been reported to be associated to viral infection susceptibility. Interestingly, a significant association between the development and onset of different human pathologies, such as tumors, neurodegeneration and infertility, and a clonal KIRs expression on NK cells has been described in presence of viral infections, supporting the crucial role of KIRs in defining the effect of viral infections in different tissues and organs. This review aims to report the state of art about the role of KIRs receptors in NK cell activation and viral infection control.
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Rios DA, Casciato PC, Caldirola MS, Gaillard MI, Giadans C, Ameigeiras B, De Matteo EN, Preciado MV, Valva P. Chronic Hepatitis C Pathogenesis: Immune Response in the Liver Microenvironment and Peripheral Compartment. Front Cell Infect Microbiol 2021; 11:712105. [PMID: 34414132 PMCID: PMC8369367 DOI: 10.3389/fcimb.2021.712105] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 07/07/2021] [Indexed: 12/14/2022] Open
Abstract
Chronic hepatitis C (CHC) pathogenic mechanisms as well as the participation of the immune response in the generation of liver damage are still a topic of interest. Here, we evaluated immune cell populations and cytokines in the liver and peripheral blood (PB) to elucidate their role in CHC pathogenesis. B, CTL, Th, Treg, Th1, Th17, and NK cell localization and frequency were evaluated on liver biopsies by immunohistochemistry, while frequency, differentiation, and functional status on PB were evaluated by flow cytometry. TNF-α, IL-23, IFN-γ, IL-1β, IL-6, IL-8, IL-17A, IL-21, IL-10, and TGF-β expression levels were quantified in fresh liver biopsy by RT-qPCR and in plasma by CBA/ELISA. Liver CTL and Th1 at the lobular area inversely correlated with viral load (r = −0.469, p =0.003 and r = −0.384, p = 0.040). Treg correlated with CTL and Th1 at the lobular area (r = 0.784, p < 0.0001; r = 0.436, p = 0.013). Th17 correlated with hepatic IL-8 (r = 0.52, p < 0.05), and both were higher in advanced fibrosis cases (Th17 p = 0.0312, IL-8 p = 0.009). Hepatic cytokines were higher in severe hepatitis cases (IL-1β p = 0.026, IL-23 p = 0.031, IL-8 p = 0.002, TGF-β, p= 0.037). Peripheral NK (p = 0.008) and NK dim (p = 0.018) were diminished, while NK bright (p = 0.025) was elevated in patients vs. donors. Naïve Th (p = 0.011) and CTL (p = 0.0007) were decreased, while activated Th (p = 0.0007) and CTL (p = 0.0003) were increased. IFN-γ production and degranulation activity in NK and CTL were normal. Peripheral cytokines showed an altered profile vs. donors, particularly elevated IL-6 (p = 0.008) and TGF-β (p = 0.041). Total hepatic CTLs favored damage. Treg could not prevent fibrogenesis triggered by Th17 and IL-8. Peripheral T-lymphocyte differentiation stage shift, elevated cytokine levels and NK-cell count decrease would contribute to global disease.
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Affiliation(s)
- Daniela Alejandra Rios
- Laboratory of Molecular Biology, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | | | - María Soledad Caldirola
- Immunology Unit, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | - María Isabel Gaillard
- Immunology Unit, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | - Cecilia Giadans
- Laboratory of Molecular Biology, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | | | - Elena Noemí De Matteo
- Laboratory of Molecular Biology, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | - María Victoria Preciado
- Laboratory of Molecular Biology, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
| | - Pamela Valva
- Laboratory of Molecular Biology, Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP), CONICET-GCBA, Pathology Division, Ricardo Gutiérrez Children's Hospital, Buenos Aires, Argentina
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11
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Pisano MB, Giadans CG, Flichman DM, Ré VE, Preciado MV, Valva P. Viral hepatitis update: Progress and perspectives. World J Gastroenterol 2021; 27:4018-4044. [PMID: 34326611 PMCID: PMC8311538 DOI: 10.3748/wjg.v27.i26.4018] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 04/11/2021] [Accepted: 06/16/2021] [Indexed: 02/06/2023] Open
Abstract
Viral hepatitis, secondary to infection with hepatitis A, B, C, D, and E viruses, are a major public health problem and an important cause of morbidity and mortality. Despite the huge medical advances achieved in recent years, there are still points of conflict concerning the pathogenesis, immune response, development of new and more effective vaccines, therapies, and treatment. This review focuses on the most important research topics that deal with issues that are currently being solved, those that remain to be solved, and future research directions. For hepatitis A virus we will address epidemiology, molecular surveillance, new susceptible populations as well as environmental and food detections. In the case of hepatitis B virus, we will discuss host factors related to disease, diagnosis, therapy, and vaccine improvement. On hepatitis C virus, we will focus on pathogenesis, immune response, direct action antivirals treatment in the context of solid organ transplantation, issues related to hepatocellular carcinoma development, direct action antivirals resistance due to selection of resistance-associated variants, and vaccination. Regarding hepatitis D virus, we describe diagnostic methodology, pathogenesis, and therapy. Finally, for hepatitis E virus, we will address epidemiology (including new emerging species), diagnosis, clinical aspects, treatment, the development of a vaccine, and environmental surveillance.
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Affiliation(s)
- María B Pisano
- Virology Institute, CONICET, School of Medical Sciences, National University of Córdoba, Cordoba X5016, Argentina
| | - Cecilia G Giadans
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
| | - Diego M Flichman
- Institute of Biomedical Investigations in Retrovirus and AIDS (INBIRS), School of Medicine, University of Buenos Aires, CONICET, CABA C1121ABG, Buenos Aires, Argentina
| | - Viviana E Ré
- Virology Institute, CONICET, School of Medical Sciences, National University of Córdoba, Cordoba X5016, Argentina
| | - María V Preciado
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
| | - Pamela Valva
- Multidisciplinary Institute for Investigation in Pediatric Pathologies (IMIPP) CONICET-GCBA, Laboratory of Molecular Biology, Pathology Division, Ricardo Gutiérrez Children’s Hospital, CABA C1425, Buenos Aires, Argentina
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12
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Shen C, Ge Z, Dong C, Wang C, Shao J, Cai W, Huang P, Fan H, Li J, Zhang Y, Yue M. Genetic Variants in KIR/HLA-C Genes Are Associated With the Susceptibility to HCV Infection in a High-Risk Chinese Population. Front Immunol 2021; 12:632353. [PMID: 34220799 PMCID: PMC8253047 DOI: 10.3389/fimmu.2021.632353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 05/31/2021] [Indexed: 12/24/2022] Open
Abstract
Background KIR/HLA-C signaling pathway influences the innate immune response which is the first defense to hepatitis C virus (HCV) infection. The aim of this study was to determine the association between the genetic polymorphisms of KIR/HLA-C genes and the outcomes of HCV infection in a high-risk Chinese population. Methods In this case-control study, four single nucleotide polymorphisms (SNPs) of KIR/HLA-C genes (KIR2DS4/KIR2DS1/KIR2DL1 rs35440472, HLA-C rs2308557, HLA-C rs1130838, and HLA-C rs2524094) were genotyped by TaqMan assay among drug users and hemodialysis (HD) patients including 1,378 uninfected control cases, 307 subjects with spontaneous viral clearance, and 217 patients with persistent HCV infection. Bioinformatics analysis was used to functionally annotate the SNPs. Results After logistic regression analysis, the rs35440472-A and rs1130838-A alleles were found to be associated with a significantly elevated risk of HCV infection (OR = 1.562, 95% CI: 1.229–1.987, P < 0.001; OR = 2.134, 95% CI: 1.180–3.858, P = 0.012, respectively), which remained significant after Bonferroni correction (0.05/4). The combined effect of their risk alleles and risk genotypes (rs35440472-AA and rs1130838-AA) were linked to the increased risk of HCV infection in a locus-dosage manner (all Ptrend < 0.001). Based on the SNPinfo web server, rs35440472 was predicted to be a transcription factor binding site (TFBS) while rs1130838 was predicted to have a splicing (ESE or ESS) function. Conclusion KIR2DS4/KIR2DS1/KIR2DL1 rs35440472-A and HLA-C rs1130838-A variants are associated with increased susceptibility to HCV infection in a high-risk Chinese population.
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Affiliation(s)
- Chao Shen
- Department of Epidemiology and Biostatistics, Key Laboratory of Infectious Diseases, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Zhijun Ge
- Department of Critical Care Medicine, The Affiliated Yixing Hospital of Jiangsu University, Yixing, China
| | - Chen Dong
- Department of Epidemiology and Statistics, School of Public Health, Medical College of Soochow University, Suzhou, China
| | - Chunhui Wang
- Institute of Epidemiology and Microbiology, Eastern Theater Command Centers for Disease Control and Prevention, Nanjing, China.,Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jianguo Shao
- Department of Digestive Medicine, Third Affiliated Hospital of Nantong University, Nantong, China
| | - Weihua Cai
- Department of General Surgery, Third Affiliated Hospital of Nantong University, Nantong, China
| | - Peng Huang
- Department of Epidemiology and Biostatistics, Key Laboratory of Infectious Diseases, School of Public Health, Nanjing Medical University, Nanjing, China.,Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Haozhi Fan
- Department of Information, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jun Li
- Department of Infectious Diseases, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Yun Zhang
- Institute of Epidemiology and Microbiology, Eastern Theater Command Centers for Disease Control and Prevention, Nanjing, China.,Department of Epidemiology, Center for Global Health, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Ming Yue
- Department of Infectious Diseases, First Affiliated Hospital of Nanjing Medical University, Nanjing, China
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13
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Sung PS, Shin EC. Immunological Mechanisms for Hepatocellular Carcinoma Risk after Direct-Acting Antiviral Treatment of Hepatitis C Virus Infection. J Clin Med 2021; 10:E221. [PMID: 33435135 PMCID: PMC7827927 DOI: 10.3390/jcm10020221] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 02/08/2023] Open
Abstract
Direct-acting antiviral agents (DAAs) that allow for rapid clearance of hepatitis C virus (HCV) may evoke immunological changes. Some cases of rapid de novo hepatocellular carcinoma (HCC) development or early recurrence of HCC after DAA treatment have been reported. During chronic HCV infection, natural killer (NK) cells exhibited a deviant functional phenotype with decreased production of antiviral cytokines and increased cytotoxicity; however, DAA treatment rapidly decreased their cytotoxic function. Effective DAA therapy also suppressed the intrahepatic activation of macrophages/monocytes. This was followed by a decrease in mucosal-associated invariant T (MAIT) cell cytotoxicity without normalization of cytokine production. Rapid changes in the phenotypes of NK and MAIT cells after DAA treatment may attenuate the cytotoxicity of these cells against cancer cells. Moreover, DAA treatment did not normalize the increased frequencies of regulatory T cells even after clearance of HCV infection. Thus, the persistently increased frequency of regulatory T cells may contribute to a local immunosuppressive milieu and hamper the clearance of cancer cells. This review will focus on recent studies describing the changes in innate and adaptive immune responses after DAA treatment in patients with chronic HCV infection in the context of de novo occurrence or recurrence of HCC.
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Affiliation(s)
- Pil Soo Sung
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, College of Medicine, Seoul St. Mary’s Hospital, The Catholic University of Korea, Seoul 06591, Korea
- The Catholic Liver Research Center, The Catholic University of Korea, Seoul 06591, Korea
| | - Eui-Cheol Shin
- Laboratory of Immunology and Infectious Diseases, Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea
- The Center for Epidemic Preparedness, KAIST Institute, Daejeon 34141, Korea
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14
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Immune system control of hepatitis C virus infection. Curr Opin Virol 2020; 46:36-44. [PMID: 33137689 DOI: 10.1016/j.coviro.2020.10.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/11/2020] [Indexed: 12/20/2022]
Abstract
Hepatitis C virus (HCV) remains a global public health problem even though more than 95% of infections can be cured by treatment with direct-acting antiviral agents. Resolution of viremia post antiviral therapy does not lead to protective immunity and therefore reinfections can occur. Immune cell detection of HCV activates signaling pathways that produce interferons and trigger the innate immune response against the virus, preventing HCV replication and spread. Cells in the innate immune system, including natural killer, dendritic, and Kupffer cells, interact with infected hepatocytes and present viral antigens to T and B cells where their effector responses contribute to infection outcome. Despite the immune activation, HCV can evade the host response and establish persistent infection. Plans to understand the correlates of protection and strategies to activate proper innate and adaptive immune responses are needed for development of an effective prophylactic vaccine that stimulates protective immunity and limits HCV transmission.
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15
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Ursu LD, Calenic B, Diculescu M, Dima A, Stoian IT, Constantinescu I. Clinical and histopathological changes in different KIR gene profiles in chronic HCV Romanian patients. Int J Immunogenet 2020; 48:16-24. [PMID: 32961633 DOI: 10.1111/iji.12515] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 08/27/2020] [Accepted: 09/02/2020] [Indexed: 11/30/2022]
Abstract
Hepatitis C virus (HCV)-infected individuals may have a faster progression of liver fibrosis, cirrhosis and hepatocellular carcinoma (HCC) development when influenced by host, viral and environmental factors. Hepatitis C virus disease progression is also associated with genetic variants of specific killer cell immunoglobulin-like receptors (KIRs) and genes of the major histocompatibility complex (MHC). The aim of the present study was to correlate clinical, virologic and biochemical parameters and to evaluate the possible influence of KIR genes and their HLA class I ligands in patients infected with hepatitis C virus. The present study analysed a total of 127 chronic HCV-infected patients for various biochemical and genetics factors that can influence disease progression and prognosis. Liver function parameters such as alanine aminotransferase (ALT), aspartate aminotransferase (AST), gamma-glutamyl transferase (GGT), direct bilirubin (DB), alpha-fetoprotein (AFP), HCV RNA levels and fibrosis indices were analysed using well-established biochemical methods. At the same time, KIR and HLA genotyping was performed using a polymerase chain reaction sequence-specific primer technique. Analysis of HLA class I and HLA ligands revealed that HLA-C*12:02 and HLA-A3 and HLA-A11 were positively associated with the F3-F4 fibrosis group (p = .026; OR = 8.717, CI = 1.040-73.077; respectively, p = .047; OR = 2.187; 95% CI = 1.066-4.486). KIR2DL2-positive patients had high median levels of AST after treatment and direct bilirubin levels when compared to KIR2DL2-negative patients (p = .013, respectively, p = .028). KIR2DL2/KIR2DL2-C1C1 genotype was associated with increased AST, ALT and GGT levels. A higher GGT level was also observed in KIR2DS2-C1-positive patients when compared to KIR2DS2-C1-negative patients. The present research demonstrates several links between specific clinical, virologic and biochemical parameters and the expression of KIR genes and their HLA ligands in HCV-infected patients. These connections should be taken into account when considering disease development and treatment.
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Affiliation(s)
- Larisa Denisa Ursu
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Bogdan Calenic
- Department of Biochemistry, Faculty of Dental Medicine, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Mircea Diculescu
- Gastroenterology and Hepatology Department, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Alina Dima
- Rheumatology Department, Colentina Clinical Hospital, Bucharest, Romania
| | - Iulia Teodora Stoian
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
| | - Ileana Constantinescu
- Centre for Immunogenetics and Virology, Fundeni Clinical Institute, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
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16
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Wang W, Huang X, Fan X, Yan J, Luan J. Progress in evaluating the status of hepatitis C infection based on the functional changes of hepatic stellate cells (Review). Mol Med Rep 2020; 22:4116-4124. [PMID: 33000255 DOI: 10.3892/mmr.2020.11516] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 08/18/2020] [Indexed: 11/06/2022] Open
Abstract
Hepatitis C virus (HCV) infection is a global public health problem. Cirrhosis and hepatocellular carcinoma are the main causes of death in patients with chronic hepatitis C (CHC) infection. Liver fibrosis is an important cause of cirrhosis and end‑stage liver disease after CHC infection. Along with the course of infection, liver fibrosis exhibits a progressive exacerbation. Hepatic stellate cells (HSCs) are involved in both physiological and pathological processes of the liver. During the chronic liver injury process, the activated HSCs transform into myofibroblasts, which are important cells in the development of liver fibrosis. At present, HCV infection still lacks specific markers for the accurate detection of the disease condition and progression. Therefore, the present review focused on HSCs, which are closely related to HCV‑infected liver fibrosis, and analyzed the changes in the HSCs, including their surface‑specific markers, cytokine production, activation, cell function and morphological structure. The present review aimed to propose novel diagnostic markers, at both the cellular and molecular level, which would be of great significance for the timely diagnosis of the disease. According to this aim, the characteristic changes of HSCs during HCV infection were reviewed in the present article.
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Affiliation(s)
- Wei Wang
- Department of Blood Transfusion Medicine, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Xuelian Huang
- Department of Blood Transfusion Medicine, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Xuzhou Fan
- Department of Blood Transfusion Medicine, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Jingmei Yan
- Department of Blood Transfusion Medicine, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Jianfeng Luan
- Department of Blood Transfusion Medicine, School of Medicine, Jinling Hospital, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
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17
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Masselli E, Vaccarezza M, Carubbi C, Pozzi G, Presta V, Mirandola P, Vitale M. NK cells: A double edge sword against SARS-CoV-2. Adv Biol Regul 2020; 77:100737. [PMID: 32773100 PMCID: PMC7292949 DOI: 10.1016/j.jbior.2020.100737] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 06/04/2020] [Indexed: 02/06/2023]
Abstract
Natural killer (NK) cells are pivotal effectors of the innate immunity protecting an individual from microbes. They are the first line of defense against invading viruses, given their substantial ability to directly target infected cells without the need for specific antigen presentation. By establishing cellular networks with a variety of cell types such as dendritic cells, NK cells can also amplify and modulate antiviral adaptive immune responses. In this review, we will examine the role of NK cells in SARS-COV2 infections causing the ongoing COVID19 pandemic, keeping in mind the controversial role of NK cells specifically in viral respiratory infections and in inflammatory-driven lung damage. We discuss lessons learnt from previous coronavirus outbreaks in humans (caused by SARS-CoV-1 and MERS-COV).
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Affiliation(s)
- Elena Masselli
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy; University Hospital of Parma, AOU-PR, Via Gramsci 14, 43126, Parma, Italy
| | - Mauro Vaccarezza
- School of Pharmacy and Biomedical Sciences, Faculty of Health Sciences, Curtin University, Bentley, Perth, WA, 6102, Australia
| | - Cecilia Carubbi
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy
| | - Giulia Pozzi
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy
| | - Valentina Presta
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy
| | - Prisco Mirandola
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy.
| | - Marco Vitale
- Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, 43126, Parma, Italy; University Hospital of Parma, AOU-PR, Via Gramsci 14, 43126, Parma, Italy.
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