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Costa GL, Sautto GA. Exploring T-Cell Immunity to Hepatitis C Virus: Insights from Different Vaccine and Antigen Presentation Strategies. Vaccines (Basel) 2024; 12:890. [PMID: 39204016 PMCID: PMC11359689 DOI: 10.3390/vaccines12080890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/25/2024] [Accepted: 08/02/2024] [Indexed: 09/03/2024] Open
Abstract
The hepatitis C virus (HCV) is responsible for approximately 50 million infections worldwide. Effective drug treatments while available face access barriers, and vaccine development is hampered by viral hypervariability and immune evasion mechanisms. The CD4+ and CD8+ T-cell responses targeting HCV non-structural (NS) proteins have shown a role in the viral clearance. In this paper, we reviewed the studies exploring the relationship between HCV structural and NS proteins and their effects in contributing to the elicitation of an effective T-cell immune response. The use of different vaccine platforms, such as viral vectors and virus-like particles, underscores their versability and efficacy for vaccine development. Diverse HCV antigens demonstrated immunogenicity, eliciting a robust immune response, positioning them as promising vaccine candidates for protein/peptide-, DNA-, or RNA-based vaccines. Moreover, adjuvant selection plays a pivotal role in modulating the immune response. This review emphasizes the importance of HCV proteins and vaccination strategies in vaccine development. In particular, the NS proteins are the main focus, given their pivotal role in T-cell-mediated immunity and their sequence conservation, making them valuable vaccine targets.
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Affiliation(s)
| | - Giuseppe A. Sautto
- Florida Research and Innovation Center, Cleveland Clinic, Port Saint Lucie, FL 34987, USA;
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2
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Mahmoud Farhan S, Mahmoud Abd El-Baky R, Mohammad Abdalla SA, Osama El-Gendy A, Farag Azmy A. Efficacy of Amikacin and Imipenem Against Multi-Drug Resistant Gram-Negative Bacteria Isolated from Wound Infections, Egypt. IRANIAN JOURNAL OF MEDICAL MICROBIOLOGY 2023; 17:218-229. [DOI: 10.30699/ijmm.17.2.218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Ferrari SM, Paparo SR, Ragusa F, Elia G, Mazzi V, Patrizio A, Ghionzoli M, Varricchi G, Centanni M, Ulisse S, Antonelli A, Fallahi P. Chemokines in thyroid autoimmunity. Best Pract Res Clin Endocrinol Metab 2023; 37:101773. [PMID: 36907786 DOI: 10.1016/j.beem.2023.101773] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
The chemokine receptor CXCR3 and its chemokines CXCL9, CXCL10, and CXCL11 are involved in the pathogenesis of autoimmune diseases. Th1 lymphocytes are recruited by Th1 chemokines, secreted by damaged cells. In inflamed tissues, the attracted Th1 lymphocytes induce the IFN-gamma and TNF-alpha release, that stimulates the secretion of Th1 chemokines, initiating and reiterating an amplification feedback loop. Autoimmune thyroid disorders (AITD) are the most recurrent autoimmune diseases, including Graves' disease (GD) and autoimmune thyroiditis, clinically defined by thyrotoxicosis and hypothyroidism, respectively. Graves' ophthalmopathy is one of GD extrathyroidal manifestations, occurring in ~30-50% of GD patients. In the early phase of AITD, the Th1 immune response is prevalent, and a following switch to a Th2 immune response has been shown in the late, inactive, phase. The reviewed data underline the importance of chemokines in thyroid autoimmunity and suggest CXCR3-receptor and its chemokines as potential targets of novel drugs for these disorders.
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Affiliation(s)
| | - Sabrina Rosaria Paparo
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Francesca Ragusa
- Department of Surgery, Medical and Molecular Pathology and of Critical Area, University of Pisa, Pisa, Italy
| | - Giusy Elia
- Department of Surgery, Medical and Molecular Pathology and of Critical Area, University of Pisa, Pisa, Italy
| | - Valeria Mazzi
- Department of Surgery, Medical and Molecular Pathology and of Critical Area, University of Pisa, Pisa, Italy
| | - Armando Patrizio
- Department of Emergency Medicine, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | - Marco Ghionzoli
- Department of Pediatric Surgery, Meyer Children's Hospital, University of Florence, Florence, Italy
| | - Gilda Varricchi
- Department of Translational Medical Sciences, University of Naples Federico II, Naples, Italy; Center for Basic and Clinical Immunology Research (CISI), University of Naples Federico II, Naples, Italy; World Allergy Organization (WAO), Center of Excellence, Naples, Italy; Institute of Experimental Endocrinology and Oncology (IEOS), National Research Council, Naples, Italy
| | - Marco Centanni
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy; Endocrine Unit, AUSL Latina, Latina, Italy
| | - Salvatore Ulisse
- Department of Surgery, "Sapienza" University of Rome, Rome, Italy
| | - Alessandro Antonelli
- Department of Surgery, Medical and Molecular Pathology and of Critical Area, University of Pisa, Pisa, Italy.
| | - Poupak Fallahi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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Yan B, Lu J, Jia L, Feng Y, Wang J, Meng X, Liang X, Wang F, Wan Y, Xu A, Zhang L. Impaired long-term anti-HBs responses in choronic hepatitis C patients: Results from a five-year follow-up study with healthy control. Hum Vaccin Immunother 2023; 19:2168432. [PMID: 36747308 DOI: 10.1080/21645515.2023.2168432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Although hepatitis B virus (HBV) vaccination is recommended for hepatitis C virus (HCV)-infected individuals to avoid HBV superinfection, the persistence of their humoral and cell-mediated immunity responses to HBV vaccination is still under investigation. Patients with chronic hepatitis C (CHC) and matched healthy controls, who completed three doses of hepatitis B vaccine (HepB) in 2014, were followed up five years later. One booster dose of HepB was given to those with antibody against hepatitis B surface antigen (anti-HBs) lower than 10mIU/mL. Anti-HBs was tested at follow-up and on the 14th day after the booster dose, as well as HBsAg specific spot-forming cells of interferon γ and interleukin (IL) 2, 4, 5, and 6. At five years, only 56.58% of the CHC patients had sero-protective titers (≥10mIU/mL) of anti-HBs, compared to 70.83% in the controls (P < .05). Similarly, the geometric mean concentration (GMC) of anti-HBs in CHC patients was significantly lower than that in controls (16.95 vs 37.34 mIU/mL, P < .05). After the booster, both GMC and the rate of anamnestic response increased to a very high level in the two groups and the difference between them disappeared (P > .05). Multivariable analysis showed that HCV infection was an independent predictor factor to anti-HBs level at follow-up. HBsAg specific IL-6 was stronger in the CHC patients compared to the controls (P < .05). The data indicate that the durability of protective anti-HBs is poorer in CHC patients compared to healthy individuals, and impaired long-term anti-HBs responses might be associated with the increased HBsAg specific IL-6 responses.
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Affiliation(s)
- Bingyu Yan
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Jingjing Lu
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Liqiu Jia
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Yi Feng
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
| | - Jing Wang
- Department of Clinical Laboratory, Shanghai Public Health Clinical Center, Fudan University, Shanghai, China
| | - Xin Meng
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China
| | | | - Fuzhen Wang
- National Immunization Program, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Yanmin Wan
- Department of Infectious Diseases, Huashan Hospital, Fudan University, Shanghai, China
| | - Aiqiang Xu
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China.,School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
| | - Li Zhang
- Shandong Provincial Key Laboratory of Infectious Disease Control and Prevention, Shandong Center for Disease Control and Prevention, Jinan, China.,School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, China
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Azhar A, Tsujita M, Talwar M, Balaraman V, Bhalla A, Eason JD, Nouer SS, Sumida K, Remport A, Hall IE, Griffin R, Rofaiel G, Molnar MZ. CMV specific T cell immune response in hepatitis C negative kidney transplant recipients receiving transplant from hepatitis C viremic donors and hepatitis C aviremic donors. Ren Fail 2022; 44:831-841. [PMID: 35546431 PMCID: PMC9103398 DOI: 10.1080/0886022x.2022.2072744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/12/2022] [Accepted: 04/22/2022] [Indexed: 12/03/2022] Open
Abstract
Kidney transplants (KT) from hepatitis C (HCV) viremic donors to HCV negative recipients has shown promising renal outcomes, however, high incidence of cytomegalovirus (CMV) viremia were reported. We performed a prospective cohort study of 52 HCV negative KT recipients from Methodist University Hospital including 41 receiving transplants from HCV aviremic donors and 11 from HCV viremic donors. CMV specific CD4+ and CD8 + T cell immunity was measured by intracellular flow cytometry assay. Primary outcome was the development of positive CMV specific CD4+ and CD8 + T cell immune response in the entire cohort and each subgroup. The association between donor HCV status and CMV specific CD4+ and CD8 + T cell immune response was analyzed by Cox proportional hazard models. Mean recipient age was 48 ± 13 years, with 73% male and 82% African American. Positive CMV specific CD4+ and CD8 + T cell immune response was found in 53% and 47% of the cohort at 1 month, 65% and 70% at 2 months, 80% and 75% at 4 months, 89% and 87% at 6 months, and 94% and 94% at 9 months post-transplant, respectively. There was no significant difference in the incidence of positive CMV specific T cell immune response between recipients of transplants from HCV aviremic donors compared to HCV viremic donors in unadjusted (for CD8+: HR = 1.169, 95%CI: 0.521-2.623; for CD4+: HR = 1.208, 95%CI: 0.543-2.689) and adjusted (for CD8+: HR = 1.072, 95%CI: 0.458-2.507; for CD4+: HR = 1.210, 95%CI: 0.526-2.784) Cox regression analyses. HCV viremia in donors was not associated with impaired development of CMV specific T cell immunity in this cohort.
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Affiliation(s)
- Ambreen Azhar
- Department of Medicine, Division of Nephrology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
| | - Makoto Tsujita
- James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, USA
- Department of Surgery, Division of Transplant Surgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Manish Talwar
- James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, USA
- Department of Surgery, Division of Transplant Surgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Vasanthi Balaraman
- James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, USA
- Department of Surgery, Division of Transplant Surgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Anshul Bhalla
- James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, USA
- Department of Surgery, Division of Transplant Surgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - James D. Eason
- James D. Eason Transplant Institute, Methodist University Hospital, Memphis, TN, USA
- Department of Surgery, Division of Transplant Surgery, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Simonne S. Nouer
- Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Keiichi Sumida
- Department of Medicine, Division of Nephrology, University of Tennessee Health Science Center, Memphis, TN, USA
| | - Adam Remport
- Department of Transplantation and Surgery, Semmelweis University, Budapest, Hungary
| | - Isaac E. Hall
- Department of Medicine, Division of Nephrology & Hypertension, University of Utah, Salt Lake City, UT, USA
| | - Randi Griffin
- Office of Clinical Research, University of Tennessee Health Science Center, Memphis, TN, USA
| | - George Rofaiel
- Department of Surgery, Division of Transplantation and Advanced Hepatobiliary Surgery, University of Utah, Salt Lake City, UT, USA
| | - Miklos Z. Molnar
- Department of Medicine, Division of Nephrology & Hypertension, University of Utah, Salt Lake City, UT, USA
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Vimali J, Yong YK, Murugesan A, Vishnupriya K, Ashwin R, Daniel EA, Balakrishnan P, Raju S, Rosmawati M, Velu V, Larsson M, Shankar EM. Plasma interleukin-7 correlation with human immunodeficiency virus RNA and CD4+ T cell counts, and interleukin-5 with circulating hepatitis B virus DNA may have implications in viral control. Front Med (Lausanne) 2022; 9:1019230. [PMID: 36405584 PMCID: PMC9668853 DOI: 10.3389/fmed.2022.1019230] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/12/2022] [Indexed: 08/30/2023] Open
Abstract
Chronic viral infections represent a leading cause of global morbidity and mortality. Chronic HBV, HCV, and HIV infections result in cytokine perturbations that may hold key implications in understanding the complex disease mechanisms driving virus persistence and/or resolution. Here, we determined the levels of various plasma cytokines using a commercial Bio-Plex Luminex cytokine array in chronic HBV (n = 30), HCV (n = 15), and HIV (n = 40) infections and correlated with corresponding plasma viral loads (PVLs) and liver parameters. We observed differential perturbations in cytokine profiles among the study groups. The cytokines levels positively correlated with PVL and liver transaminases. The monocyte-derived cytokines viz., MIP-1β, IL-8, and TNF-α, and Th2 cytokines like IL-4, IL-5, and IL-13 showed a better correlation with liver enzymes as compared to their corresponding PVLs. Our investigation also identified two cytokines viz., IL-5 and IL-7 that inversely correlated with HBV DNA and HIV PVLs, respectively. Regression analysis adjusted for age showed that every increase of IL-5 by one unit was associated with a reduction in HBV PVL by log10 0.4, whereas, every elevation by a unit of IL-7 was associated with decreased HIV PVL by log10 2.5. We also found that IL-7 levels correlated positively with absolute CD4+ T cell counts in HIV-infected patients. We concluded that plasma IL-5 and IL-7 may likely have a key role on viral control in HBV and HIV infections, respectively. A noteworthy increase in cytokines appears to bear protective and pathological significance, and indeed is reflective of the host's versatile immune armory against viral persistence.
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Affiliation(s)
- Jaisheela Vimali
- Infection Biology, Department of Biotechnology, Central University of Tamil Nadu, Thiruvarur, India
| | - Yean Kong Yong
- Laboratory Centre, Xiamen University Malaysia, Sepang, Selangor, Malaysia
| | - Amudhan Murugesan
- Department of Microbiology, Government Theni Medical College and Hospital, Theni, India
| | | | - Rajeev Ashwin
- Infection Biology, Department of Biotechnology, Central University of Tamil Nadu, Thiruvarur, India
| | - Evangeline Ann Daniel
- National Institute for Research in Tuberculosis, Indian Council of Medical Research, Chennai, India
| | - Pachamuthu Balakrishnan
- Department of Microbiology, Centre for Infectious Diseases, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, India
| | - Sivadoss Raju
- State Public Health Laboratory, Directorate of Public Health and Preventive Medicine, Chennai, India
| | - Mohamed Rosmawati
- Division of Gastroenterology and Hepatology, Department of Medicine, Faculty of Medicine, Universiti Malaya Medical Center, Kuala Lumpur, Malaysia
| | - Vijayakumar Velu
- Division of Microbiology and Immunology, Emory Vaccine Center, Emory National Primate Research Center, Emory University, Atlanta, GA, United States
| | - Marie Larsson
- Division of Molecular Medicine and Virology, Department of Biomedicine and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Esaki M. Shankar
- Infection Biology, Department of Biotechnology, Central University of Tamil Nadu, Thiruvarur, India
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The IL6-174G/C Polymorphism Associated with High Levels of IL-6 Contributes to HCV Infection, but Is Not Related to HBV Infection, in the Amazon Region of Brazil. Viruses 2022; 14:v14030507. [PMID: 35336914 PMCID: PMC8950165 DOI: 10.3390/v14030507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/14/2022] [Accepted: 02/24/2022] [Indexed: 02/01/2023] Open
Abstract
The dysregulation of cytokine production can lead to an inefficient immune response, promoting viral persistence that induces the progression of chronic viral hepatitis. The study investigated the association of the IL6-174G/C polymorphism with changes in cytokine levels and its influence on the persistence and progression of chronic hepatitis caused by HBV and HCV in 72 patients with chronic hepatitis B (HBV), 100 patients with hepatitis C (HCV), and a control group of 300 individuals. The genotyping of the IL6-174G/C polymorphism was performed by real-time PCR, and cytokine levels were measured by enzyme-linked immunosorbent assay (ELISA). HCV patients with the wild-type genotype (GG) had a higher viral load (p = 0.0230). The plasma levels of IL-6 were higher among patients infected with HBV and HCV than among the control group (p < 0.0001). Patients with HCV were associated with increased inflammatory activity (A2−A3; p < 0.0001). In hepatitis C, carriers of the GG genotype had higher levels of IL-6 (p = 0.0286), which were associated with A2−A3 inflammatory activity (p = 0.0097). Patients with A2−A3 inflammatory activity and GG genotype had higher levels of IL-6 than those with the GC/CC genotype (p = 0.0127). In conclusion, the wild-type genotype for the IL6-174G/C polymorphism was associated with high levels of IL-6 and HCV viral load and inflammatory activity, suggesting that this genotype may be a contributing factor to virus-induced chronic infection.
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Modulation of Production of Th1/Th2 Cytokines in Peripheral Blood Mononuclear Cells and Neutrophils by Hepatitis C Virus Infection in Chronically Infected Patients. Pathogens 2021; 10:pathogens10111519. [PMID: 34832674 PMCID: PMC8624222 DOI: 10.3390/pathogens10111519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 12/18/2022] Open
Abstract
This study investigated the influence of Hepatitis C virus (HCV) infection on the cytokine production profiles of the peripheral blood monoculear cells (PBMC) and neutrophils in chronically naïve HCV-infected patients. Seventy-five genotype-4 naïve HCV-infected patients (HCV+) and healthy subjects (HCV-) were enrolled. The neutrophils and the PBMC were separated by density gradient sedimentation and stimulated with a mitogen. The culture supernatants were evaluated for levels of IFN-α, IFN-γ, IL-2, IL-4, IL-5, IL-6, IL-9, IL-10, IL-12, and TNF-α using anti-cytokine antibody MACSPlex capture beads. The PBMC cytokine profiles of HCV+ patients showed significantly lower mean values for IFN-γ, IL-2, IL-6, IL-9, and IL-10 (p < 0.0001) as compared to HCV- subjects. In contrast, HCV+ patients showed higher mean levels of PBMC cytokine values for IL-5 and TNF-α (p < 0.0001). As for neutrophils, HCV+ patients showed significantly lower mean levels of IFN-α, IFN-γ, IL-2, IL-4, IL-6, IL-9, and IL-10 (p < 0.0001). In contrast, the neutrophils from HCV+ patients showed higher mean levels of IL-5, IL-12, and TNF-α (p < 0.0001). Th1-Th2 cytokine ratios suggested a lower Th1 bias in HCV+ subjects as compared to HCV- subjects. Our results suggest that chronic HCV infection brings about an immunomodulatory effect not only on neutrophils, but also to a lower extent on PBMCs.
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Santiago AM, da Silva Graça Amoras E, Queiroz MAF, da Silva Conde SRS, Cayres-Vallinoto IMV, Ishak R, Vallinoto ACR. TNFA -308G>A and IL10 -1082A>G polymorphisms seem to be predictive biomarkers of chronic HCV infection. BMC Infect Dis 2021; 21:1133. [PMID: 34732154 PMCID: PMC8567538 DOI: 10.1186/s12879-021-06835-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 11/01/2021] [Indexed: 12/21/2022] Open
Abstract
Background Genetic changes may induce dysregulated cytokine production and affect the progression of the chronic disease caused by the hepacivirus C (HCV) because the balance of pro- and anti-inflammatory cytokines determines the outcome of infection. This study evaluated the TNFA -308G>A and IL10 -1082A>G polymorphisms in the susceptibility and progress of chronic hepatitis C. Method The study included 101 samples from patients with chronic hepatitis C and 300 samples from healthy donors. Polymorphisms were typed by real-time PCR and were analyzed for associations with histopathological parameters (according to METAVIR classification) and HCV viral load. Results The polymorphic genotype for the TNFA -308G>A variant was not present in the group of patients with chronic hepatitis C and its absence could be associated with protection against HCV infection (p = 0.0477). Patients with the polymorphic genotype of the IL10 -1082A>G polymorphism had higher HCV viral load than wild-type patients (p = 0.0428). Neither polymorphism was associated with different levels of necroinflammatory activity or fibrosis scores. Conclusion Our results suggest the polymorphic genotype at TNFA -308G>A as protective against chronic HCV infection, and the polymorphic genotype at the IL10 -1082A>G variant associated with higher HCV viral load. Further studies must be performed in order to confirm these associations.
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Affiliation(s)
- Angélica Menezes Santiago
- Laboratory of Virology, Institute of Biological Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil.,Graduate Program in Virology, Evandro Chagas Institute/SVS/MS, Ananindeua, Pará, Brazil
| | - Ednelza da Silva Graça Amoras
- Laboratory of Virology, Institute of Biological Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil
| | - Maria Alice Freitas Queiroz
- Laboratory of Virology, Institute of Biological Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil
| | - Simone Regina Souza da Silva Conde
- João de Barros Barreto Hospital, Federal University of Pará (Universidade Federal do Pará - UFPA), Belém, Pará, Brazil.,School of Medicine, Institute of Health Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil
| | | | - Ricardo Ishak
- Laboratory of Virology, Institute of Biological Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil
| | - Antonio Carlos Rosário Vallinoto
- Laboratory of Virology, Institute of Biological Sciences, Federal University of Pará (Universidade Federal Do Pará - UFPA), Belém, Pará, Brazil.
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Cytokine (IL-10, IL-6, TNF-α and TGF-β1) Gene Polymorphisms in Chronic Hepatitis C Virus Infection among Malay Male Drug Abusers. Biomedicines 2021; 9:biomedicines9091115. [PMID: 34572300 PMCID: PMC8469205 DOI: 10.3390/biomedicines9091115] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 08/24/2021] [Accepted: 08/28/2021] [Indexed: 11/17/2022] Open
Abstract
Cytokines play an important role in modulating inflammation during viral infection, including hepatitis C virus (HCV) infection. Genetic polymorphisms of cytokines can alter the immune response against this infection. The objective of this study was to investigate the possible association between chronic hepatitis C virus infection susceptibility and cytokine gene polymorphism for interleukin-10 (IL-10) rs1800896 and rs1800871, interleukin 6 (IL-6) rs1800795, TNF-α rs1800629, and TGF-β1 rs1800471 in Malay male drug abusers. The study was conducted on 76 HCV-positive (HP) male drug abusers and 40 controls (HCV-negative male drug abusers). We found that there were significant differences in the frequencies of genotype for IL-10 rs1800871 (p = 0.0386) and at the allelic level for IL-10 rs1800896 A versus G allele (p = 0.0142) between the HP group and the control group. However, there were no significant differences in gene polymorphism in interleukin 6 rs1800795, TNF-α rs1800629 and TGF-β1 rs1800471. These findings suggest significant associations between gene polymorphism for IL-10 rs1800871, IL-10 rs1800896 (at the allelic level) and susceptibility to HCV infection among Malay male drug abusers.
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Pippa LF, Vieira CP, Caris JA, Rocha A, Garcia CP, Rezende REF, Lanchote VL. Clinical treatment for hepatitis C reverses CYP2C19 inhibition. Br J Clin Pharmacol 2021; 87:4013-4019. [PMID: 33738827 DOI: 10.1111/bcp.14829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 12/15/2022] Open
Abstract
AIMS Infection by the hepatitis C virus (HCV) generates inflammatory response selectively modulating cytochrome P450 protein (CYP) activities. This study assessed the effect of chronic hepatitis C on CYP2C19 activity in patients with HCV. METHODS Patients with HCV infection (n = 23) at different fibrosis stages were allocated into groups 1 (F0/F1 and F2, mild to moderate fibrosis) and 2 (F3 and F4, advanced fibrosis stages). Phase 1 was conducted before the treatment with direct-acting antivirals (DAAs) and phase 2 after the sustained virological response. Participants were administered 2 mg of a single oral dose of omeprazole (OME) as probe drug in both phases. Metabolic ratios (MRs) (plasma samples collected at 4 h after OME administration) were calculated by dividing plasma concentrations of 5-hydroxyomeprazole by OME. RESULTS The MRs for group 1 were 0.45 (0.34-0.60, 90% confidence interval) and 0.69 (0.50-0.96) for phases 1 and 2, respectively, while the MRs for group 2 were 0.25 (0.21-0.31) and 0.41 (0.30-0.56) for phases 1 and 2, respectively. MRs were different (P < .05) between phases 1 and 2 for both groups, as well as between groups 1 and 2 in phase 1, but not in phase 2 (P > .05). CONCLUSIONS Both groups presented different MRs before and after treatment with DAAs, evidencing that CYP2C19 inhibition during inflammation was at least partially reversed after DAA treatment. Groups 1 and 2 were also found to be different in phase 1 but not phase 2, showing that CYP2C19 metabolic activity does not differ between groups after DAA treatment.
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Affiliation(s)
- Leandro Francisco Pippa
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Carolina Pinto Vieira
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Juciene Aparecida Caris
- Department of Neurosciences and Behavioural Sciences, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Adriana Rocha
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Camile Prates Garcia
- Department of Internal Medicine, Division of Gastroenterology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil
| | - Rosamar Eulira Fontes Rezende
- Department of Internal Medicine, Division of Gastroenterology, School of Medicine of Ribeirão Preto, University of São Paulo, Brazil.,Reference Centre, Hepatitis Outpatient Clinic, Municipal Health Secretary, Ribeirão Preto, São Paulo, Brazil
| | - Vera Lucia Lanchote
- Department of Clinical Analyses, Toxicology and Food Science, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
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12
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Magri MC, Alvarez MSM, Iogi AA, Alves GM, Manchiero C, Dantas BP, Prata TVG, Nunes AKDS, Tengan FM. Study of CXCL9-11 gene polymorphisms in liver fibrosis among patients with chronic hepatitis C. Pathog Dis 2021; 79:6105222. [PMID: 33476381 DOI: 10.1093/femspd/ftab007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 01/19/2021] [Indexed: 01/10/2023] Open
Abstract
Several factors are associated with the progression of chronic hepatitis C: comorbidities, lifestyle, and pathogenic factors, including immune response, apoptosis and heredity. Single nucleotide polymorphisms (SNPs) in the PNPLA3 and TM6SF2 genes are more widely studied genetic risk factors, while CXCL9-11 chemokines produced by hepatocytes in the process of infection are less well studied. Our aim was to evaluate the influence of CXCL9 rs10336, CXCL10 rs3921 and CXCL11 rs4619915 in liver fibrosis when analysed together with PNPLA3 rs738409 and TM6SF2 rs58542926. The study included 219 patients with chronic hepatitis C. SNP genotyping was performed by real-time PCR. Univariate and multivariate analyses were used to detect the association between SNPs and advanced fibrosis in a recessive genetic model. All SNPs had a minimum allele frequency >5%, and CXCL9 rs10336, CXCL10 rs3921 and CXCL11 rs4619915 were in high linkage disequilibrium (D' ≥ 0.84). In the multivariate analysis, we observed that male gender (P = 0.000), older age (P = 0.025), moderate to intense inflammatory activity (P = 0.002), moderate to accentuated hepatic steatosis (P = 0.026) and the CT genotype of the TM6SF2 rs58542926 SNP (P = 0.014) presented significant associations with advanced fibrosis. Overall, the CXCL9 rs10336, CXCL10 rs3921, CXCL11 rs4619915 and PNPLA3 rs738409 SNPs did not influence liver fibrosis among patients with chronic hepatitis C.
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Affiliation(s)
- Mariana Cavalheiro Magri
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Maria Stella Montanha Alvarez
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Anny Ayumi Iogi
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Grayce Mendes Alves
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Caroline Manchiero
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Bianca Peixoto Dantas
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Thamiris Vaz Gago Prata
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Arielle Karen da Silva Nunes
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Fátima Mitiko Tengan
- Laboratorio de Investigacao Medica em Hepatologia por Virus (LIM-47), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil.,Departamento de Molestias Infecciosas e Parasitarias, Faculdade de Medicina, Universidade de Sao Paulo, Av. Dr. Eneas de Carvalho Aguiar, 255. Bairro Cerqueira Cesar. Sao Paulo, SP, Brazil. CEP 05403-000
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13
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Liao J, Zhang Z, Yuan Q, Liu Q, Kuang J, Fang Y, Hu X. A lncRNA Gpr137b-ps/miR-200a-3p/CXCL14 axis modulates hepatic stellate cell (HSC) activation. Toxicol Lett 2021; 336:21-31. [PMID: 33069761 DOI: 10.1016/j.toxlet.2020.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 08/31/2020] [Accepted: 10/02/2020] [Indexed: 01/08/2023]
Abstract
Hepatic fibrosis is the wound healing response upon the liver tissue damage caused by multiple stimuli. Targeting activated hepatic stellate cells (HSCs), the major extracellular matrix (ECM)-producing cells within the damaged liver, has been regarded as one of the main treatments for hepatic fibrosis. In the present study, we performed preliminary bioinformatics analysis attempting to identify possible factors related to hepatic fibrosis and found that lncRNA G protein-coupled receptor 137B (Gpr137b-ps) and C-X-C motif chemokine ligand 14 (CXCL14) showed to be markedly upregulated within carbon tetrachloride (CCl4)-caused hepatic fibrotic mice tissue samples and activated HSCs. CXCL14 The silencing of lncRNA Gpr137b-ps or CXCL14 alone could significantly improve CCl4-induced fibrotic changes in mice liver in vivo and collagen I and III release by HSCs and HSC proliferation in vitro. miR-200a-3p directly targeted lncRNA Gpr137b-ps and CXCL14, respectively. LncRNA Gpr137b-ps relieved miR-200a-3p-induced inhibition on CXCL14 expression via acting as a ceRNA. In HSCs, the effects of lncRNA Gpr137b-ps silencing on collagen I and III release by HSCs and HSC proliferation were significantly reversed by miR-200a-3p inhibition, and the effects of miR-200a-3p inhibition were reversed by CXCL14 silencing. In conclusion, we demonstrated a lncRNA Gpr137b-ps/miR-200a-3p/CXCL14 axis that modulates HSC activation and might exert an effect on the pathogenesis of liver fibrosis.
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Affiliation(s)
- Jinmao Liao
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Zheng Zhang
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Qi Yuan
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Qiong Liu
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Jia Kuang
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Yuan Fang
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China
| | - Xiaoxuan Hu
- Department of Hepatopathy, The Hunan Provincial People's Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha 410005, Hunan, China.
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14
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Pozzato G, Mazzaro C, Gattei V. Hepatitis C virus-associated non-Hodgkin lymphomas: the endless history. Minerva Med 2020; 112:215-227. [PMID: 33263375 DOI: 10.23736/s0026-4806.20.07184-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Hepatitis C virus (HCV) is a global population problem due to its high prevalence worldwide. In the prognosis of patients with HCV not only hepatic but increasingly frequent of extrahepatic HCV manifestations, such as mixed cryoglobulinemia (MC) and non-Hodgkin's lymphoma (NHL), are important. The role of the HCV virus in the pathogenesis of lymphoproliferative diseases is confirmed by a large number of epidemiological studies, as well as by the effectiveness of antiviral therapy in patients with non-Hodgkin's lymphoma (NHL). The purpose of the review was to provide an overview of epidemiological and biological data explaining the role of HCV in the development of NHL. The review also discusses HCV-associated NHL treatment by the traditional antiviral therapy (interferon and ribavirin) and by the new direct antiviral agents.
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Affiliation(s)
- Gabriele Pozzato
- Department of Clinical and Surgical Sciences, Maggiore Hospital, University of Trieste, Trieste, Italy -
| | - Cesare Mazzaro
- Unit of Clinical and Experimental Onco-Hematology, CRO Aviano National Cancer Institute IRCCS, Aviano, Pordenone, Italy
| | - Valter Gattei
- Unit of Clinical and Experimental Onco-Hematology, CRO Aviano National Cancer Institute IRCCS, Aviano, Pordenone, Italy
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15
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de Brito WB, Queiroz MAF, da Silva Graça Amoras E, Lima SS, da Silva Conde SRS, dos Santos EJM, Cayres-Vallinoto IMV, Ishak R, Vallinoto ACR. The TGFB1 -509C/T polymorphism and elevated TGF-β1 levels are associated with chronic hepatitis C and cirrhosis. Immunobiology 2020; 225:152002. [DOI: 10.1016/j.imbio.2020.152002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/05/2020] [Accepted: 08/08/2020] [Indexed: 12/13/2022]
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16
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Asadipour M, Fazeli P, Zohouri M, Bemani P, Mohebbiniya M, Khansalar S, Fattahi MR, Kalantar K. IL-18 in Blood Serum of Hepatitis C Patients Might be of Predictive Value for Individual Outcomes. Infect Disord Drug Targets 2020; 21:389-393. [PMID: 32634083 DOI: 10.2174/1871526520666200707113401] [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: 03/17/2020] [Revised: 05/09/2020] [Accepted: 05/12/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Pro- inflammatory cytokines including Interleukin (IL)-18 have been shown to be involved in the clearance of Hepatitis C virus (HCV) infection. However, changes in the balance of pro- and anti-inflammatory cytokines production during the immune response, can elicit a variety of liver damages. Therefore, it is of interest to study IL-18 serum levels in hepatitis patients and its correlation with HCV infection. METHODS Twenty-nine newly diagnosed HCV+ patients with no history of antiviral therapy, and 17 healthy controls, were enrolled in our study. Biochemical markers of liver disease were evaluated by biochemistry assay kits. Serum concentrations of IL-18 were determined with the ELISA method before and after treatment with pangenotypic direct-acting antivirals (DAAs) treatment. RESULTS Our results showed statistically significant difference in serum levels of IL-18 in HCV+ patients (692.261 ± 48.76) compared to healthy controls (520.00 ± 44.73) (P=0.021). However, there was no significant difference in IL-18 serum levels between the treated group compared to untreated patients (P=0.74). No significant correlations were detected between the level of IL-18 and liver enzyme levels. CONCLUSION According to our study, IL-18 might be a disease marker associated with HCV infection; however, this conclusion requires further investigation.
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Affiliation(s)
- Morvarid Asadipour
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Pooria Fazeli
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahshid Zohouri
- Shiraz Institute for Cancer Research, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Peyman Bemani
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohsen Mohebbiniya
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Soolmaz Khansalar
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Reza Fattahi
- Gastroenterology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Kurosh Kalantar
- Department of Immunology, Shiraz University of Medical Sciences, Shiraz, Iran
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17
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da Silva CB, Vieira DA, de Melo LF, Chagas ALS, Gomes AD, Faria Jr CLLD, Teixeira R, de Magalhães Queiroz DM, Rocha GA, Soares MMS, Bezerra JMT, Silva LD. Interleukin-6-174G/C polymorphism is associated with a decreased risk of type 2 diabetes in patients with chronic hepatitis C virus. World J Hepatol 2020; 12:137-148. [PMID: 32685106 PMCID: PMC7336292 DOI: 10.4254/wjh.v12.i4.137] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Revised: 02/28/2020] [Accepted: 03/22/2020] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Chronic hepatitis C (CHC) is associated with type 2 diabetes mellitus. Although the pathogenesis remains to be elucidated, a growing evidence has suggested a role of pro-inflammatory immune response. Increased serum concentrations of Interleukin 6 (IL-6) have been associated with insulin resistance, type 2 diabetes mellitus as well as advanced forms of liver disease in chronic hepatitis C infection.
AIM To investigate the frequency of IL-6-174G/C (rs1800795) single nucleotide polymorphism (SNP) in CHC patients and in healthy subjects of the same ethnicity. Associations between type 2 diabetes mellitus (dependent variable) and demographic, clinical, nutritional, virological and, IL-6 genotyping data were also investigated in CHC patients.
METHODS Two hundred and forty-five patients with CHC and 179 healthy control subjects (blood donors) were prospectively included. Type 2 diabetes mellitus was diagnosed according to the criteria of the American Diabetes Association. Clinical, biochemical, histological and radiological methods were used for the diagnosis of the liver disease. IL-6 polymorphism was evaluated by Taqman SNP genotyping assay. The data were analysed by logistic regression models.
RESULTS Type 2 diabetes mellitus, blood hypertension and liver cirrhosis were observed in 20.8% (51/245), 40.0% (98/245) and 38.4% (94/245) of the patients, respectively. The frequency of the studied IL-6 SNP did not differ between the CHC patients and controls (P = 0.81) and all alleles were in Hardy-Weinberg equilibrium (P = 0.38). In the multivariate analysis, type 2 diabetes mellitus was inversely associated with GC and CC genotypes of IL-6-174 (OR = 0.42; 95%CI = 0.22-0.78; P = 0.006) and positively associated with blood hypertension (OR = 5.56; 95%CI = 2.79-11.09; P < 0.001).
CONCLUSION This study was the first to show that GC and CC genotypes of IL-6-174 SNP are associated with a decreased risk of type 2 diabetes mellitus in patients chronically infected with hepatitis C virus. The identification of potential inflammatory mediators involved in the crosstalk between hepatitis C virus and the axis pancreas-liver remains important issues that deserve further investigations.
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Affiliation(s)
- Cliviany Borges da Silva
- Sciences Applied to Adult Health Care Post-Graduate Programme, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Diego Alves Vieira
- Medical undergraduate student, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Luisa Freitas de Melo
- Medical undergraduate student, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Anna Luiza Soares Chagas
- Medical undergraduate student, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Adriana Dias Gomes
- Laboratory of Research in Bacteriology, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - César Lúcio Lopes de Faria Jr
- Laboratory of Research in Bacteriology, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Rosângela Teixeira
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Dulciene Maria de Magalhães Queiroz
- Laboratory of Research in Bacteriology, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Gifone Aguiar Rocha
- Laboratory of Research in Bacteriology, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Maria Marta Sarquis Soares
- Division of Endocrinology, Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Juliana Maria Trindade Bezerra
- Epidemiology of Infectious and Parasitic Diseases Laboratory, Department of Parasitology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
| | - Luciana Diniz Silva
- Outpatient Clinic of Viral Hepatitis, Instituto Alfa de Gastroenterologia, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
- Department of Internal Medicine, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte 30130100, Minas Gerais, Brazil
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18
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Adnan F, Khan NU, Iqbal A, Ali I, Petruzziello A, Sabatino R, Guzzo A, Loquercio G, Botti G, Khan S, Naeem M, Khan MI. Interleukin-6 polymorphisms in HCC patients chronically infected with HCV. Infect Agent Cancer 2020; 15:21. [PMID: 32266003 PMCID: PMC7114800 DOI: 10.1186/s13027-020-00285-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Accepted: 03/19/2020] [Indexed: 02/07/2023] Open
Abstract
Hepatocellular carcinoma is a primary liver malignancy in which the risk of development is always multifunctional. Interleukin-6 is a proinflammatory and multifunctional cytokine, which plays an important role in the immune response, haematopoiesis and defence against viral infection. We aimed to evaluate the frequency of Interleukin-6 mutations (rs2069837 and rs17147230) associated with genetic risk of hepatocellular carcinoma in Khyber Pakthunkhwa population. A total of 72 hepatocellular carcinoma cases and 38 controls were included in this study. The genomic DNA was extracted from the peripheral blood cells and Interleukin-6 genotyping was performed using T-ARMS-PCR technique. Our results show a significant increase risk of developing hepatocellular carcinoma with the mutation within Interleukin-6 gene with heterozygous G allele (rs2069837) (OR = 10.667, 95%CI = 3.923–29.001, p = < 0.0001) and heterozygous T allele (rs17147230) (OR = 75.385, 95%CI = 9.797–580.065, p = < 0.0001). However, under recessive gene model the results were insignificant in case of Interleukin-6 rs2069837 (OR = 0.605, 95%CI = 0.217–1.689, p = 0.337), while significant in case of Interleukin-6 rs17147230 (OR = 0.298, 95%CI = 0.121–0.734, p = 0.0085). In conclusion, Interleukin-6 mutation is associated with hepatocellular carcinoma susceptibility. More related studies with other associated interleukins and their whole gene sequencing will be required.
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Affiliation(s)
- Faisal Adnan
- 1Institute of Biotechnology and Genetic Engineering (Health Division), The University of Agriculture, Peshawar, Pakistan
| | - Najeeb Ullah Khan
- 1Institute of Biotechnology and Genetic Engineering (Health Division), The University of Agriculture, Peshawar, Pakistan
| | - Aqib Iqbal
- 1Institute of Biotechnology and Genetic Engineering (Health Division), The University of Agriculture, Peshawar, Pakistan
| | - Ijaz Ali
- 2Department of Biosciences, COMSATs University, Islamabad, Pakistan
| | | | - Rocco Sabatino
- 4Unit of Molecular Biology and Viral Oncology, Istituto Nazionale Tumori, IRCCS Fondazione Pascale, Naples, Italy
| | - Annunziata Guzzo
- SSD Transfusion medicine, Istituto Nazionale Tumori - IRCCS Fondazione "G. Pascale", Naples, Italy
| | - Giovanna Loquercio
- Hematology-Oncology and stem cell transplantation Unit, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - Gerardo Botti
- 7Scientific Directorate, Istituto Nazionale Tumori, IRCCS Fondazione "G. Pascale", Naples, Italy
| | - Sanaullah Khan
- 8Department of Zoology, University of Peshawar, Peshawar, KP Pakistan
| | - Muhammad Naeem
- Department of community medicine, Khyber Medical Collage, Peshawar, Pakistan
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19
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Fallahi P, Ferrari SM, Ragusa F, Ruffilli I, Elia G, Paparo SR, Antonelli A. Th1 Chemokines in Autoimmune Endocrine Disorders. J Clin Endocrinol Metab 2020; 105:5683662. [PMID: 31863667 DOI: 10.1210/clinem/dgz289] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 12/19/2019] [Indexed: 02/06/2023]
Abstract
CONTEXT The CXC chemokine receptor CXCR3 and its chemokines CXCL10, CXCL9, and CXCL11 are implicated in the pathogenesis of autoimmune diseases. Here, we review these chemokines in autoimmune thyroiditis (AT), Graves disease (GD), thyroid eye disease (TED), type 1 diabetes (T1D), and Addison's disease (AAD). EVIDENCE ACQUISITION A PubMed review of the literature was conducted, searching for the above-mentioned chemokines in combination with AT, GD, TED, T1D, and AAD. EVIDENCE SYNTHESIS Thyroid follicular cells in AT and GD, retroorbital cells in TED (fibroblasts, preadipocytes, myoblasts), β cells and islets in T1D, and adrenal cells in AAD respond to interferon-γ (IFN-γ) stimulation producing large amounts of these chemokines. Furthermore, lymphocytes and peripheral blood mononuclear cells (PBMC) are in part responsible for the secreted Th1 chemokines. In AT, GD, TED, T1D, and AAD, the circulating levels of these chemokines have been shown to be high. Furthermore, these chemokines have been associated with the early phases of the autoimmune response in all the above-mentioned disorders. High levels of these chemokines have been associated also with the "active phase" of the disease in GD, and also in TED. Other studies have shown an association with the severity of hypothyroidism in AD, of hyperthyroidism in GD, with severity of TED, or with fulminant T1D. CONCLUSION The reviewed data have shown the importance of the Th1 immune response in different endocrine autoimmune diseases, and many studies have suggested that CXCR3 and its chemokines might be considered as potential targets of new drugs for the treatment of these disorders.
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Affiliation(s)
- Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | | | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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20
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Ferrari SM, Fallahi P, Elia G, Ragusa F, Camastra S, Paparo SR, Giusti C, Gonnella D, Ruffilli I, Shoenfeld Y, Antonelli A. Novel therapies for thyroid autoimmune diseases: An update. Best Pract Res Clin Endocrinol Metab 2020; 34:101366. [PMID: 31813786 DOI: 10.1016/j.beem.2019.101366] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A Th1 immune-preponderance has been shown in the immunopathogenesis of autoimmune thyroiditis (AT), Graves' disease (GD) and Graves' Ophthalmopathy (GO), in which the Th1-chemokines (CXCL9, CXCL10, CXCL11), and their (C-X-C)R3 receptor, have a crucial role. Methimazole, and corticosteroids have been shown to modulate these chemokines; several efforts have been done to modulate the autoimmune reaction with other drugs, i.e. PPAR-γ, or -α ligands, or antibodies, or small molecules directed against CXCL10, or CXCR3. Antigen-specific therapy for GD, by inducing T cell tolerance through an immunization with TSH-R peptides, has been published. Drugs targeting cytokines [anti-TNFα (Etanercept), and anti-IL-6 (Tocilizumab)], and RTX (a chimeric monoclonal antibody vs. CD20) have been used in GO, with promising results. Teprotumumab (a human monoclonal anti-IGF-1R blocking antibody) has been investigated in a trial, showing it was very effective in GO patients. Still, more studies are needed for new therapies targeting autoimmune thyroid disorders.
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Affiliation(s)
| | - Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Stefania Camastra
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | | | - Claudia Giusti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Debora Gonnella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Russia.
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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21
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Fallahi P, Elia G, Ragusa F, Ruffilli I, Camastra S, Giusti C, Paparo SR, Gonnella D, Shoenfeld Y, Ferrari SM, Antonelli A. The aggregation between AITD with rheumatologic, or dermatologic, autoimmune diseases. Best Pract Res Clin Endocrinol Metab 2019; 33:101372. [PMID: 31932147 DOI: 10.1016/j.beem.2019.101372] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Autoimmune thyroid diseases (AITD) are organ-specific autoimmune disorders mediated by Th1 lymphocytes, whose main clinical presentations are Hashimoto's thyroiditis (HT), or Graves' disease (GD). HT, GD, thyroid autoantibodies and thyroid dysfunctions have been shown in systemic rheumatologic diseases (as Sjögren's syndrome, systemic lupus erythematosus, rheumatoid arthritis, systemic sclerosis, or cryoglobulinemia). New associations of AITD with other autoimmune diseases are being discovered, for example with psoriatic arthritis and dermatological diseases. Several investigations suggest the importance of a shared genetic susceptibility and of environmental factors in patients with AITD and associated systemic autoimmunity. A major Th1 autoimmune response occurs in the initial, and/or active phases of organ-specific autoimmune disorders and/or systemic rheumatologic diseases with increased serum, or tissue, expressions of the Th1 chemokine CXCL10. Thyroid dysfunctions might have an important clinical impact, so a periodic thyroid screening in women with systemic or dermatological autoimmunity, overall in presence of thyroid autoantibodies is suggested.
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Affiliation(s)
- Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Stefania Camastra
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Claudia Giusti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | | | - Debora Gonnella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Yehuda Shoenfeld
- Zabludowicz Center for Autoimmune Diseases, Sheba Medical Center, Tel-Hashomer, Israel; Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel; I.M. Sechenov First Moscow State Medical University of the Ministry of Health of the Russian Federation (Sechenov University), Russia.
| | | | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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22
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Ragusa F, Fallahi P, Elia G, Gonnella D, Paparo SR, Giusti C, Churilov LP, Ferrari SM, Antonelli A. Hashimotos' thyroiditis: Epidemiology, pathogenesis, clinic and therapy. Best Pract Res Clin Endocrinol Metab 2019; 33:101367. [PMID: 31812326 DOI: 10.1016/j.beem.2019.101367] [Citation(s) in RCA: 233] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Hashimoto's thyroiditis (HT), the most frequent autoimmune thyroid disorders (AITDs), is the leading cause of hypothyroidism in the iodine-sufficient areas of the world. About 20-30% of patients suffers from HT, whose cause is thought to be a combination of genetic susceptibility and environmental factors that causes the loss of immunological tolerance, with a consequent autoimmune attack to the thyroid tissue and appearance of the disease. The pathologic features of lymphocytic infiltration, especially of T cells, and follicular destruction are the histological hallmark of autoimmune thyroiditis (AIT), that lead to gradual atrophy and fibrosis. An important role in the immune-pathogenesis of AITDs is due to chemokines and cytokines. In about 20% of patients, AITDs are associated with other organ specific/systemic autoimmune disorders. Many studies have demonstrated the relationship between papillary thyroid cancer and AITD. The treatment of hypothyroidism, as result of AIT, consists in daily assumption of synthetic levothyroxine.
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Affiliation(s)
- Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Poupak Fallahi
- Department of Translational Research of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy.
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Debora Gonnella
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | | | - Claudia Giusti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
| | - Leonid P Churilov
- Laboratory of the Mosaic of Autoimmunity, Saint Petersburg State University, Russia.
| | | | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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Immunological Dynamics Associated with Direct-Acting Antiviral Therapies in Naive and Experimented HCV Chronic-Infected Patients. Mediators Inflamm 2019; 2019:4738237. [PMID: 31780860 PMCID: PMC6875334 DOI: 10.1155/2019/4738237] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 08/09/2019] [Accepted: 09/04/2019] [Indexed: 02/06/2023] Open
Abstract
The therapeutic strategies used in the treatment of hepatitis C are essentially based on the combination of direct-acting antiviral agents (DAAs). This therapy has been shown to be very effective in relation to patient adherence to treatment and has shown high rates of sustained virological response (SVR). However, the immunological dynamics of patients infected with HCV is poorly understood. This fact led us to investigate the immune system of naive and experienced patients, who we followed before the therapy and three months after the end of treatment. In this study, 35 naive and experienced Brazilian patients with chronic hepatitis C and 50 healthy donors (HD group) were studied. The analysis of the soluble immunological biomarkers was performed using the flow cytometry methodology. The SVR rate was >90% among the 35 patients. Before treatment, correlations in the naive HCV group demonstrated a mix of inflammatory response occurring with moderate correlations between chemokines, inflammatory cytokines, and Th2 profile, with a strong regulation between IL-10 and IL-17A. On the other hand, experienced patients demonstrated a poor interaction between cytokines, chemokines, and cells with a strong correlation between IL-10, IL-6, CXCL-10, and CD8+ besides the interactions between IFN-γ and IL-4. Furthermore, naive and experienced patients seem to have a distinct soluble biomarker profile; therefore, a long-term follow-up is needed to evaluate patients treated with DAAs.
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Muñoz Díaz HA, Lúquez Mindiola AJ, Gómez Aldana AJ. Fisiopatología de la hepatitis C y diabetes mellitus. Hacia la cura de dos epidemias en el siglo XXI. REVISTA COLOMBIANA DE GASTROENTEROLOGÍA 2019; 34:277-287. [DOI: 10.22516/25007440.322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
La infección crónica por virus de la hepatitis C (VHC) y la diabetes mellitus (DM) son dos problemas de salud pública que impactan los sistemas de salud, con una alta carga económica global. La infección por VHC produce manifestaciones hepáticas tales como hepatitis, cirrosis y carcinoma hepatocelular; asimismo, se ha involucrado en la patogénesis de manifestaciones extrahepáticas, entre las cuales se ha asociado con alteraciones metabólicas como la DM. Estudios longitudinales y transversales han reportado mayor incidencia y prevalencia de DM en pacientes con infección crónica por VHC. La DM acelera la progresión histológica y clínica en pacientes con infección crónica por VHC y las complicaciones cardiovasculares. Recientemente se ha avanzado en el tratamiento y la introducción de nuevos medicamentos como los antivirales de acción directa, que mejoran el control glucémico en estos pacientes.
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25
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Ferrari SM, Fallahi P, Ruffilli I, Elia G, Ragusa F, Paparo SR, Patrizio A, Mazzi V, Colaci M, Giuggioli D, Ferri C, Antonelli A. Immunomodulation of CXCL10 Secretion by Hepatitis C Virus: Could CXCL10 Be a Prognostic Marker of Chronic Hepatitis C? J Immunol Res 2019; 2019:5878960. [PMID: 31485460 PMCID: PMC6702819 DOI: 10.1155/2019/5878960] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 04/19/2019] [Accepted: 04/30/2019] [Indexed: 12/17/2022] Open
Abstract
Chemokine (C-X-C motif) ligand (CXCL)10 and other CXCR3 chemokines are involved in the pathogenesis of acute and "chronic hepatitis C virus (HCV) infection" (CHC). Here, we review the scientific literature about HCV and CXCL10. The combination of circulating CXCL10 and single nucleotide polymorphisms (SNPs) in IL-28B can identify patients with acute HCV infection most likely to undergo spontaneous HCV clearance and those in need of early antiviral therapy. In CHC, the HCV and intrahepatic interferon- (IFN-) γ drive a raised CXCL10 expression by sinusoidal endothelium and hepatocytes, thereby inducing the recruitment of CXCR3-expressing T cells into the liver; thus, CXCL10 plays an important role in the development of necroinflammation and fibrosis. Increased CXCL10 was significantly associated with the presence of active vasculitis in HCV-associated cryoglobulinemia, or with autoimmune thyroiditis in CHC. Pretreatment CXCL10 levels are predictive of early virological response and sustained virological response (SVR) to IFN-α and ribavirin and may be useful in the evaluation of candidates for therapy. The occurrence of SNPs adjacent to IL-28B (rs12979860, rs12980275, and rs8099917), and CXCL10 below 150 pg/mL, independently predicted the first phase viral decline and rapid virological response, which in turn independently predicted SVR. Directly acting antiviral agents-mediated clearance of HCV is associated with the loss of intrahepatic immune activation by IFN-α, associated by decreased levels of CXCL10. In conclusion, CXCL10 is an important marker of HCV clearance and successful therapy in CHC patients. Whether CXCL10 is a novel therapeutic target in CHC will be evaluated.
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Affiliation(s)
| | - Poupak Fallahi
- Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Armando Patrizio
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Valeria Mazzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Michele Colaci
- Internal Medicine Unit, Cannizzaro Hospital, Department of Clinical and Experimental Medicine, University of Catania, Catania, Italy
| | - Dilia Giuggioli
- Rheumatology Unit, Azienda Ospedaliero-Universitaria di Modena, University of Modena and Reggio Emilia, Modena, Italy
| | - Clodoveo Ferri
- Rheumatology Unit, Azienda Ospedaliero-Universitaria di Modena, University of Modena and Reggio Emilia, Modena, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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26
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Ferrari SM, Ruffilli I, Elia G, Ragusa F, Paparo SR, Patrizio A, Mazzi V, Antonelli A, Fallahi P. Chemokines in hyperthyroidism. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY 2019; 16:100196. [PMID: 31193493 PMCID: PMC6536457 DOI: 10.1016/j.jcte.2019.100196] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 05/14/2019] [Accepted: 05/16/2019] [Indexed: 12/28/2022]
Abstract
The term “hyperthyroidism” indicates a condition due to an exaggerate production of thyroid hormone; the most frequent cause is Graves’ disease (GD). We review cytokines and chemokines in hyperthyroidism, with a special focus in GD. In GD, recruited Th1 lymphocytes are responsible for enhanced IFN-γ and TNF-α production, which in turn stimulates Th1 chemokines release from thyrocytes, initiating and perpetuating the autoimmune process. Circulating levels of these chemokines are associated with the active phase of GD. Additional studies are necessary to investigate whether Th1 chemokines could be a novel therapeutic target in this disease.
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Affiliation(s)
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Armando Patrizio
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Valeria Mazzi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Poupak Fallahi
- Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
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Sasaki R, Meyer K, Moriyama M, Kato N, Yokosuka O, Ray RB, Aurora R, Ray R, Kanda T. Rapid hepatitis C virus clearance by antivirals correlates with immune status of infected patients. J Med Virol 2019; 91:411-418. [PMID: 30192392 DOI: 10.1002/jmv.25310] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 09/04/2018] [Indexed: 12/12/2022]
Abstract
Altered immune parameters associated with hepatitis C virus (HCV) genotype 1b infection and their correlation with virus eradication in direct-acting antivirals (DAA)-treated patients were examined. Thirty-one HCV-infected patients were treated with DAAs for 12 weeks. Pre-DAA-treatment and post-DAA-treatment sera were analyzed for cytokines/chemokines using MILLIPLEX MAP. Serum complement level and antibody neutralization activity were measured separately. Sera from 11 spontaneously cleared HCV subjects were included for comparison. Rapid virological responders (RVR) or end-of-treatment responders (EOTR) were defined as patients with HCV RNA negative at week 4 or positive at week 4 and negative at week 12, respectively. HCV RNA eradication and a decrease in liver fibrosis-related cytokines after treatment were observed when compared with pretreatment sera from RVR and EOTR. In pretreatment sera, interferons and T-helper 1 or 2 cell-associated cytokines/chemokines were significantly higher among RVR as compared with EOTR. Furthermore, serum complement and virus neutralizing antibody levels were higher in pretreatment RVR sera. Eradication of HCV RNA by DAA decreased liver fibrosis-related cytokines. Pretreatment sera from RVR displayed an enhanced cytokine/chemokine, complement and virus neutralizing antibody response as compared with EOTR sera. Our results suggested that enhanced host immune status may play an additive role on HCV RNA clearance by DAA.
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Affiliation(s)
- Reina Sasaki
- Department of Pathology, Saint Louis University, St Louis, Missouri
- Department of Internal Medicine, Saint Louis University, St Louis, Missouri
| | - Keith Meyer
- Department of Internal Medicine, Saint Louis University, St Louis, Missouri
| | - Mitsuhiko Moriyama
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
| | - Naoya Kato
- Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Osamu Yokosuka
- Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Ratna B Ray
- Department of Pathology, Saint Louis University, St Louis, Missouri
- Department of Internal Medicine, Saint Louis University, St Louis, Missouri
| | - Rajeev Aurora
- Department of Molecular Microbiology and Immunology, Saint Louis University, St Louis, Missouri
| | - Ranjit Ray
- Department of Internal Medicine, Saint Louis University, St Louis, Missouri
- Department of Molecular Microbiology and Immunology, Saint Louis University, St Louis, Missouri
| | - Tatsuo Kanda
- Division of Gastroenterology and Hepatology, Department of Medicine, Nihon University School of Medicine, Tokyo, Japan
- Department of Gastroenterology and Nephrology, Graduate School of Medicine, Chiba University, Chiba, Japan
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HBV or HCV Coinfection in HIV-1-Infected Pregnant Women in France: Prevalence and Pregnancy Outcomes. J Acquir Immune Defic Syndr 2019; 77:439-450. [PMID: 29287028 DOI: 10.1097/qai.0000000000001618] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
BACKGROUND Chronic hepatitis B virus (HBV) or hepatitis C virus (HCV) infection is frequent in HIV-infected persons but their impact on pregnant HIV-infected women is understudied. We explored whether these coinfections are associated with adverse pregnancy outcomes and lower response to antiretroviral therapy (ART). METHODS Pregnancies in HIV-1-infected women included in the ANRS French Perinatal Cohort between 2005 and 2013 were analyzed if HBV and HCV infection statuses were available. RESULTS Among 4236 women, the prevalence of HBV (HBs Ag+) and HCV (RNA+) were 6.2% (95% confidence interval: 5.4 to 6.8) and 1.7% (1.3 to 2.1), respectively. HCV coinfection was strongly associated with a history of drug use; HBV coinfection was 6 times more frequent in women born in Sub-Saharan Africa than in European France. Baseline HIV viral load, CD4 count, and HIV care during pregnancy were similar in coinfected and monoinfected HIV mothers, except that 90% of HBV/HIV women were receiving tenofovir and/or lamivudine or emtricitabine. HCV coinfection was significantly associated with cholestasis [adjusted odds ratio: 4.1 (1.5-10.8), P = 0.005], preterm delivery [3.0 (1.6-5.7), P < 0.001], lower CD4 [2.6 (1.0-6.4), P < 0.001], and detectable viral load [2.3 (1.0-5.5), P = 0.06] at the end of pregnancy. HBV coinfection was not associated with any of these outcomes. CONCLUSIONS In HIV-infected women, chronic HBV infection, mostly treated using targeted ART, had no major impact on the course of pregnancy. By contrast, chronic HCV infection was associated with a higher risk of obstetrical complications and a poorer immune-virological response to ART. It is yet unknown whether cure of HCV infection before conception can limit these adverse outcomes.
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29
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Ferrari SM, Fallahi P, Ruffilli I, Elia G, Ragusa F, Benvenga S, Antonelli A. The association of other autoimmune diseases in patients with Graves' disease (with or without ophthalmopathy): Review of the literature and report of a large series. Autoimmun Rev 2019; 18:287-292. [PMID: 30639646 DOI: 10.1016/j.autrev.2018.10.001] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 10/20/2018] [Indexed: 12/22/2022]
Abstract
Graves' disease (GD) and autoimmune thyroiditis (AT) are the two main clinical presentations of AITD, and their clinical hallmarks are thyrotoxicosis and hypothyroidism, respectively. GD, and AT, can be associated with other organ specific, or systemic autoimmune diseases in the same patient. However discordant results have been reported in the literature about the possible associations. Here, we review the association of GD and other autoimmune syndromes. Furthermore, we report the results of our prospective study that investigated the prevalence of other autoimmune disorders in 3209 GD patients (984 with Graves' ophthalmopathy), with respect to 1069 healthy controls, or 1069 patients with AT, or 1069 with multinodular goiter (matched by age, gender, coming from the same area, with a similar iodine intake). On the whole, 16.7% of GD patients had another associated autoimmune disease; and the most frequently observed were: vitiligo (2.6%), chronic autoimmune gastritis (2.4%), rheumatoid arthritis (1.9%), polymyalgia rheumatica (1.3%), multiple sclerosis (0.3%), celiac disease (1.1%), diabetes (type 1) (0.9%), systemic lupus erythematosus and sarcoidosis (<0.1%), Sjogren disease (0.8%). Moreover, 1.5% patients with GD had three associated autoimmune disorders. Interestingly, patients with Graves' ophthalmopathy (GO) had another autoimmmune disorder more frequently (18.9%), with respect to GD patients without GO (15.6%). However the pattern of the associated autoimmune disorders in GD was not significantly different from that observed in AT patients. In conclusion, we suggest GD patients who are still sick, or who develop new unspecific symptoms (even if during an appropriate treatment of hyperthyroidism) should be appropriately screened for the presence of other autoimmune disorders.
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Affiliation(s)
- Silvia Martina Ferrari
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Poupak Fallahi
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Ilaria Ruffilli
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Italy; Master Program on Childhood, Adolescent and Women's Endocrine Health, University of Messina, Italy; Interdepartmental Program of Molecular and Clinical Endocrinology and Women's Endocrine Health, Azienda Ospedaliera Universitaria Policlinico 'G. Martino', Messina I-98125, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Via Savi 10, Pisa 56126, Italy.
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30
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Fallahi P, Ferrari SM, Elia G, Ragusa F, Paparo SR, Caruso C, Guglielmi G, Antonelli A. Myo-inositol in autoimmune thyroiditis, and hypothyroidism. Rev Endocr Metab Disord 2018; 19:349-354. [PMID: 30506520 DOI: 10.1007/s11154-018-9477-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Myo-inositol (Myo-Ins) plays an important role in thyroid function and autoimmunity. Myo-Ins is the precursor for the synthesis of phosphoinositides, which takes part in the phosphatidylinositol (PtdIns) signal transduction pathway, and plays a decisive role in several cellular processes. In the thyroid cells, PtdIns is involved in the intracellular thyroid-stimulating hormone (TSH) signaling, via Phosphatidylinositol (3,4,5)-trisphosphate (PtdIns(3,4,5)P3) (PIP-3). Moreover, the phosphatidyl inositol 3 kinases (PI3K) family of lipid kinases regulates diverse aspects of T, B, and Tregs lymphocyte behaviour. Different mouse models deficient for the molecules involved in the PIP3 pathway suggest that impairment of PIP3 signaling leads to dysregulation of immune responses and, sometimes, autoimmunity. Studies have shown that cytokines modulate Myo-Ins in thyroid cells. Moreover, clinical studies have shown that after treatment with Myo-inositol plus seleniomethionine (Myo-Ins + Se), TSH levels significantly declined in patients with subclinical hypothyroidism due to autoimmune thyroiditis. The treatment was accompanied by a decline of antithyroid autoantibodies. After treatment serum CXCL10 levels declined, confirming the immune-modulatory effect of Myo-Ins. Additional research is necessary in larger population to evaluate the effect on the quality of life, and to study the mechanism of the effect on chemokines.
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Affiliation(s)
- Poupak Fallahi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Savi 10, Pisa, 56126, Italy
| | - Silvia Martina Ferrari
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Sabrina Rosaria Paparo
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Claudia Caruso
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Giovanni Guglielmi
- U.O. Medicina Preventiva del Lavoro, Azienda Ospedaliero-Universitaria Pisana, I-56124, Pisa, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy.
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Ferrari SM, Elia G, Ragusa F, Paparo SR, Caruso C, Benvenga S, Fallahi P, Antonelli A. The protective effect of myo-inositol on human thyrocytes. Rev Endocr Metab Disord 2018; 19:355-362. [PMID: 30511181 DOI: 10.1007/s11154-018-9476-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Patients affected by autoimmune thyroiditis reached positive effects on indices of thyroid autoimmunity and/or thyroidal function, after following a treatment with selenomethionine (Se) alone, or Se in combination with Myo-inositol (Myo-Ins). Our purpose was to investigate if Myo-Ins alone, or a combination of Se + Myo-Ins, is effective in protecting thyroid cells from the effects given by cytokines, or hydrogen peroxide (H2O2). We assessed the interferon (IFN)-γ-inducible protein 10 (IP-10/CXCL10) secretion by stimulating primary thyrocytes (obtained from Hashimoto's thyroiditis or from control patients) with cytokines in presence/absence of H2O2. Our results confirm: 1) the toxic effect of H2O2 in primary thyrocytes that leads to an increase of the apoptosis, to a decrease of the proliferation, and to a slight reduction of cytokines-induced CXCL10 secretion; 2) the secretion of CXCL10 chemokine induced by IFN-γ + tumor necrosis factor alpha (TNF)-α has been decreased by Myo + Ins, both in presence or absence of H2O2; 3) no effect has been shown by the treatment with Se. Therefore, a protective effect of Myo-Ins on thyroid cells has been suggested by our data, which exact mechanisms are at the basis of this effect need to be furtherly investigated.
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Affiliation(s)
- Silvia Martina Ferrari
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Giusy Elia
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Francesca Ragusa
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Sabrina Rosaria Paparo
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Claudia Caruso
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy
| | - Salvatore Benvenga
- Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
- Master Program on Childhood, Adolescent and Women's Endocrine Health, University of Messina, Messina, Italy
- Interdepartmental Program of Molecular and Clinical Endocrinology and Women's Endocrine Health, Azienda Ospedaliera Universitaria Policlinico 'G. Martino', I-98125, Messina, Italy
| | - Poupak Fallahi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Via Savi, 10, I-56126, Pisa, Italy.
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Colaci M, Malatino L, Antonelli A, Fallahi P, Giuggioli D, Ferri C. Endocrine disorders associated with hepatitis C virus chronic infection. Rev Endocr Metab Disord 2018; 19:397-403. [PMID: 30499080 DOI: 10.1007/s11154-018-9475-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The term "HCV syndrome" encompasses several organ- and systemic pathophysiological states, which often recognize autoimmunity or neoplastic evolution in their pathophysiology, as well as chronic HCV infection as trigger. The clinical features of HCV patients are heterogenous, and may include endocrine or metabolic disorders, namely autoimmune thyroiditis, type 2 diabetes mellitus, and erectile/sexual dysfunctions. In this review, we summarize current knowledge on the endocrine/metabolic diseases associated with chronic HCV infection, focusing on the main concepts emerged in the recent literature in this field. The application of this knowledge in everyday clinical practice may be relevant, in order to reinforce a holistic vision of the patient with chronic HCV infection, stimulating in turn a multi-disciplinary approach, thus increasing the probability of early diagnosis, more effective treatments, and a better prognostic outcome.
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Affiliation(s)
- Michele Colaci
- Internal Medicine Unit, Cannizzaro Hospital, Department of Clinical and Experimental Medicine, University of Catania, Via Messina, 829, 95100, Catania, Italy.
| | - Lorenzo Malatino
- Internal Medicine Unit, Cannizzaro Hospital, Department of Clinical and Experimental Medicine, University of Catania, Via Messina, 829, 95100, Catania, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Poupak Fallahi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Dilia Giuggioli
- Rheumatology Unit, Azienda Ospedaliero-Universitaria di Modena, University of Modena and Reggio Emilia, Modena, Italy
| | - Clodoveo Ferri
- Rheumatology Unit, Azienda Ospedaliero-Universitaria di Modena, University of Modena and Reggio Emilia, Modena, Italy
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Fabiani S, Fallahi P, Ferrari SM, Miccoli M, Antonelli A. Hepatitis C virus infection and development of type 2 diabetes mellitus: Systematic review and meta-analysis of the literature. Rev Endocr Metab Disord 2018; 19:405-420. [PMID: 29322398 DOI: 10.1007/s11154-017-9440-1] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Type 2 diabetes mellitus (T2DM) is an endocrine disorder encompassing multifactorial mechanisms, and chronic hepatitis C virus infection (CHC) is a multifaceted disorder, associated with extrahepatic manifestations, including endocrinological disorders. CHC and T2DM are associated, but the subject remains controversial. We performed a systematic review and meta-analysis evaluating such association, searching on PubMed until February 29, 2016. Inclusion criteria were: 1) presence of at least one internal control group age- and gender-matched (non-hepatopathic controls; and/or hepatopathic, not HCV-positive, controls); 2) sufficient data to calculate odds ratio and relative risk. Exclusion criteria were: 1) literature reviews on the topic; 2) publications regarding special populations [human immunodeficiency virus and human T-lymphotropic virus-1 coinfections, hepatocellular carcinoma (HCC), post-transplantation DM, gender selection]; 3) no clear differentiation among HCV patients with CHC, cirrhosis or HCC. Data from each study were independently extracted by two reviewers and cross-checked by AA. Our systematic review returned 544 records, and 33 were included in our meta-analysis. HCV infection is associated with an increased risk of T2DM independently from the severity of the associated liver disease, in CHC and cirrhotic HCV patients. As expected T2DM risk is higher in cirrhotic HCV patients, than CHC, and the prevalence of HCV infection in T2DM patients is higher than in non-diabetic controls. Regarding HBV infection prevalence, no difference exists in diabetic and non-diabetic subjects. An unequivocal CHC and T2DM association was shown. A proactive, integrated approach to HCV and T2DM therapies should maximize benefits of both diseases treatment.
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Affiliation(s)
- Silvia Fabiani
- Department of Clinical and Experimental Medicine, School of Medicine, University of Pisa, Via Savi 10, I-56126, Pisa, Italy
| | - Poupak Fallahi
- Department of Clinical and Experimental Medicine, School of Medicine, University of Pisa, Via Savi 10, I-56126, Pisa, Italy
| | - Silvia Martina Ferrari
- Department of Clinical and Experimental Medicine, School of Medicine, University of Pisa, Via Savi 10, I-56126, Pisa, Italy
| | - Mario Miccoli
- Department of Clinical and Experimental Medicine, School of Medicine, University of Pisa, Via Savi 10, I-56126, Pisa, Italy
| | - Alessandro Antonelli
- Department of Clinical and Experimental Medicine, School of Medicine, University of Pisa, Via Savi 10, I-56126, Pisa, Italy.
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Romano C, Cuomo G, Ferrara R, Del Mastro A, Esposito S, Sellitto A, Adinolfi LE. Uncommon immune-mediated extrahepatic manifestations of HCV infection. Expert Rev Clin Immunol 2018; 14:1089-1099. [PMID: 30338718 DOI: 10.1080/1744666x.2018.1538790] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Chronic hepatitis C virus (HCV) infection has been associated with myriad extrahepatic manifestations, often resulting from aberrant immune responses. Among the most common immune-mediated manifestations of HCV infection, mixed cryoglobulinemia is the best known extra-hepatic complication. Areas covered: Here we review less common extrahepatic manifestations of HCV infection, with ascertained or presumed immune pathogenesis and the role of the new all oral direct-acting antiviral agents. Rheumatologic, dermatologic, ophthalmologic, renal, pulmonary, hematologic, cardiovascular, and neuropsychiatric manifestations of HCV infection have been considered. Expert commentary: Pathogenesis of HCV-induced aberrant immune responses resulting in peculiar clinical manifestations is not restricted to a single mechanism. A sound approach would therefore consider implementation of an etiologic treatment, through use of antiviral medications, to stop upstream in the pathogenic process all the immune mechanisms leading to hepatic and extrahepatic abnormalities. With the recent introduction of interferon-free, direct antiviral agents, capable of warranting cure for nearly all HCV-infected patients subjected to therapy, both common and uncommon extrahepatic manifestations of chronic hepatitis C are expected to no longer constitute a matter of comorbidity in the course of HCV infection.
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Affiliation(s)
- Ciro Romano
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy
| | - Giovanna Cuomo
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy
| | - Roberta Ferrara
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy
| | - Andrea Del Mastro
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy.,b Department of Emergency and Admittance , Cardarelli Hospital , Naples , Italy
| | - Sergio Esposito
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy
| | - Ausilia Sellitto
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy.,c Department of Emergency and Admittance , "San Giuseppe Moscati" Hospital , Avellino , Italy
| | - Luigi Elio Adinolfi
- a Division of Internal Medicine, Department of Medical and Surgical Sciences , "Luigi Vanvitelli" University of Campania , Naples , Italy
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Sommese L, Paolillo R, Cacciatore F, Grimaldi V, Sabia C, Esposito A, Sorriento A, Iannone C, Rupealta N, Sarno G, Santangelo M, De Rosa P, Nicoletti G, Napoli C. HLA-G and anti-HCV in patients on the waiting list for kidney transplantation. Adv Med Sci 2018; 63:317-322. [PMID: 30015095 DOI: 10.1016/j.advms.2018.04.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 02/08/2018] [Accepted: 04/26/2018] [Indexed: 01/10/2023]
Abstract
PURPOSE Human leukocyte antigen (HLA)-G is a non-classic major histocompatibility complex HLA class I molecule. HLA-G may have tolerogenic properties which are linked to epigenetic-sensitive pathways. There is a correlation of sHLA-G levels and graft acceptance in transplantation studies. There are previous data on correlation of sHLA-G with graft rejection as well as with viral infections such as hepatitis C virus (HCV) in kidney transplanted patients. Here, we report the sHLA-G expression in patients on the waiting list for kidney transplantation, with and without anti-HCV compared to a control group. METHODS Serum of 67 patients on the waiting list for kidney transplantation (n = 43 with anti-HCV and n = 24 without anti-HCV) was analyzed. Among these patients, n = 39 were on the waiting list for the first transplantation, while n = 28 were patients who returned in the list. The control group included n = 23 blood donors with anti-HCV (n = 13) and without anti-HCV (n = 10). RESULTS The expression of sHLA-G was significantly lower in the control group (39.6 ± 34.1 U/ml) compared to both - patients on the waiting list for the first transplantation (62.5 ± 42.4 U/ml, p=0.031) and patients who returned in the list (76.7 ± 53.9 U/ml, p=0.006). No significant differences were observed in all anti-HCV positive groups. A positive linear correlation between sHLA-G and TNF-α, and patient age was observed. CONCLUSIONS Serum sHLA-G values were significantly increased in both - patients on the waiting list for the first transplantation and patients who returned in the list, as compared to control group. Our findings confirm the key tolerogenic role of sHLA-G levels as epigenetic-related marker for measuring the state of kidney allograft acceptance.
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Affiliation(s)
- Linda Sommese
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Azienda Ospedaliera Universitaria (AOU), Department of Experimental Medicine, Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy.
| | - Rossella Paolillo
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Department of Internal and Specialty Medicine, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Francesco Cacciatore
- IRCCS Salvatore Maugeri Foundation, Scientific Institute of Telese, Benevento, Italy
| | - Vincenzo Grimaldi
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Department of Internal and Specialty Medicine, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Chiara Sabia
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Department of Internal and Specialty Medicine, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Antonella Esposito
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Department of Internal and Specialty Medicine, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Antonio Sorriento
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Azienda Ospedaliera Universitaria (AOU), Department of Experimental Medicine, Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | - Carmela Iannone
- U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Department of Internal and Specialty Medicine, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Napoli, Italy
| | | | - Gerardo Sarno
- San Giovanni di Dio e Ruggi D'Aragona, Università Ospedaliera, Salerno, Italy
| | | | - Paride De Rosa
- San Giovanni di Dio e Ruggi D'Aragona, Università Ospedaliera, Salerno, Italy
| | - Gianfranco Nicoletti
- Multidisciplinary Department of Medical-Surgical and Dental Specialties, Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy
| | - Claudio Napoli
- Department of Medical, Surgical, Neurological, Metabolic and Geriatric Sciences, U.O.C. Division of Clinical Immunology, Immunohematology, Transfusion Medicine and Transplant Immunology, Regional Reference Laboratory of Transplant Immunology, Azienda Ospedaliera Universitaria (AOU), Università degli Studi della Campania "Luigi Vanvitelli", Naples, Italy; IRCCS SDN, Naples, Italy
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Obaid A, Naz A, Ikram A, Awan FM, Raza A, Ahmad J, Ali A. Model of the adaptive immune response system against HCV infection reveals potential immunomodulatory agents for combination therapy. Sci Rep 2018; 8:8874. [PMID: 29891859 PMCID: PMC5995896 DOI: 10.1038/s41598-018-27163-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 05/17/2018] [Indexed: 12/11/2022] Open
Abstract
A regulated immune system employs multiple cell types, diverse variety of cytokines and interacting signalling networks against infections. Systems biology offers a promising solution to model and simulate such large populations of interacting components of immune systems holistically. This study focuses on the distinct components of the adaptive immune system and analysis, both individually and in association with HCV infection. The effective and failed adaptive immune response models have been developed followed by interventions/perturbations of various treatment strategies to get better assessment of the treatment responses under varying stimuli. Based on the model predictions, the NK cells, T regulatory cells, IL-10, IL-21, IL-12, IL-2 entities are found to be the most critical determinants of treatment response. The proposed potential immunomodulatory therapeutic interventions include IL-21 treatment, blocking of inhibitory receptors on T-cells and exogenous anti-IL-10 antibody treatment. The relative results showed that these interventions have differential effect on the expression levels of cellular and cytokines entities of the immune response. Notably, IL-21 enhances the expression of NK cells, Cytotoxic T lymphocytes and CD4+ T cells and hence restore the host immune potential. The models presented here provide a starting point for cost-effective analysis and more comprehensive modeling of biological phenomenon.
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Affiliation(s)
- Ayesha Obaid
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Anam Naz
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Aqsa Ikram
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Faryal Mehwish Awan
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Abida Raza
- National Institute of Lasers and Optronics (NILOP), Islamabad, Pakistan
| | - Jamil Ahmad
- Research Center for Modeling and Simulation (RCMS), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Amjad Ali
- Atta-ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan.
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Restoring Inflammatory Mediator Balance after Sofosbuvir-Induced Viral Clearance in Patients with Chronic Hepatitis C. Mediators Inflamm 2018; 2018:8578051. [PMID: 29977152 PMCID: PMC5994301 DOI: 10.1155/2018/8578051] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 03/26/2018] [Indexed: 12/13/2022] Open
Abstract
This study aimed at analyzing circulating levels of inflammatory and profibrogenic cytokines in patients with hepatitis C virus (HCV) chronic infection undergoing therapy with direct-acting antiviral agents (DAA) and correlating these immune biomarkers with liver disease status. We studied 88 Brazilian monoinfected chronic hepatitis C patients receiving interferon- (IFN-) free sofosbuvir-based regimens for 12 or 24 weeks, followed-up before therapy initiation and three months after the end of treatment. Liver disease was determined by transient elastography, in addition to APRI and FIB-4 indexes. Analysis of 30 immune mediators was carried out by multiplex or enzymatic immunoassays. Sustained virological response rate was 98.9%. Serum levels of cytokines were increased in HCV-infected patients when compared to control group. CCL-2, CCL-3, CCL-4, CXCL-8, CXCL-10, IL-1β, IL-15, IFN-γ, IL-4, IL-10, TGF-β, FGFb, and PAI-1 decreased significantly after antiviral therapy, reaching values similar to noninfected controls. TGF-β and suPAR levels were associated with fibrosis/cirrhosis. Also, we observed amelioration in hepatic parameters after DAA treatment. Together, our results suggest that viral control induced by IFN-free DAA therapy restores inflammatory mediators in association with improvement in liver function.
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38
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Segna D, Dufour JF. Other Extrahepatic Manifestations of Hepatitis C Virus Infection (Pulmonary, Idiopathic Thrombocytopenic Purpura, Nondiabetes Endocrine Disorders). Clin Liver Dis 2017; 21:607-629. [PMID: 28689597 DOI: 10.1016/j.cld.2017.03.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Extrahepatic manifestations of hepatitis C virus (HCV) infection are a rare but serious condition. This article summarizes the current literature on the association between HCV and endocrine and pulmonary manifestations, as well as idiopathic thrombocytopenic purpura (ITP). HCV may directly infect extrahepatic tissues and interact with the immune system predisposing for obstructive and interstitial lung disease, ITP, autoimmune thyroiditis, infertility, growth hormone and adrenal deficiencies, osteoporosis, and potentially lung and thyroid cancers. However, in many cases, the current evidence is divergent and cannot sufficiently confirm a true association, which emphasizes the need for future targeted projects in this field.
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Affiliation(s)
- Daniel Segna
- Department of General Internal Medicine, Inselspital - Bern University Hospital, Freiburgstrasse 4, Bern 3010, Switzerland; Division of Hepatology, Department of Visceral Surgery and Medicine, Inselspital- Bern University Hospital, Freiburgstrasse 4, Bern 3010, Switzerland
| | - Jean-François Dufour
- Division of Hepatology, Department of Visceral Surgery and Medicine, Inselspital- Bern University Hospital, Freiburgstrasse 4, Bern 3010, Switzerland.
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Catamo E, Zupin L, Freato N, Polesello V, Celsi F, Crocè SL, Masutti F, Pozzato G, Segat L, Crovella S. HLA-G regulatory polymorphisms are associated with susceptibility to HCV infection. HLA 2017; 89:135-142. [PMID: 28083985 DOI: 10.1111/tan.12959] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 11/23/2016] [Accepted: 12/21/2016] [Indexed: 01/20/2023]
Abstract
BACKGROUND Hepatitis C virus (HCV) is able to bypass the immune system modulating innate and adaptive immune response and blocking T helper 1 (Th1) cell production. Because the human leukocyte antigen (HLA)-G molecule has immunomodulatory properties inhibiting the function and production of natural killer and cytotoxic lymphocyte T cells, as well as promoting shift from Th1 toward Th2 response, we hypothesized its involvement in susceptibility to HCV infection. MATERIALS AND METHODS Considering that HLA-G mRNA expression has been reported to be under genetic control, an association study was conducted analyzing 800 base pairs upstream the ATG at the 5'upstream regulator region (URR) and 850 base pairs from ATG to exon 3 and the 3'untranslated region (UTR) of HLA-G gene in Italian HCV-positive patients and uninfected controls. RESULTS Four 5'URR polymorphisms (-725C>G>T, -509C>G, -400G>A and -398G>A), 7 polymorphisms at coding region (+15G>A, +36G>A, +243G>A, insC506, 531G>C, delA615 and 685G>A), the +644G>T polymorphism, and 1 haplotype (TTGTTCCIGAC) showed different frequency distributions between HCV patients and uninfected controls. CONCLUSION The results from our study suggest a possible involvement of HLA-G in the risk modulation toward HCV infection.
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Affiliation(s)
- E Catamo
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - L Zupin
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - N Freato
- Department of Life Science, University of Trieste, Trieste, Italy
| | - V Polesello
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - F Celsi
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - S L Crocè
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - F Masutti
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - G Pozzato
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy
| | - L Segat
- Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
| | - S Crovella
- Department of Medicine, Surgery and Health Sciences, University of Trieste, Trieste, Italy.,Institute for Maternal and Child Health, IRCCS "Burlo Garofolo", Trieste, Italy
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Abstract
Hepatic fibrosis develops or progresses in 25 % of patients with autoimmune hepatitis despite corticosteroid therapy. Current management regimens lack reliable noninvasive methods to assess changes in hepatic fibrosis and interventions that disrupt fibrotic pathways. The goals of this review are to indicate promising noninvasive methods to monitor hepatic fibrosis in autoimmune hepatitis and identify anti-fibrotic interventions that warrant evaluation. Laboratory methods can differentiate cirrhosis from non-cirrhosis, but their accuracy in distinguishing changes in histological stage is uncertain. Radiological methods include transient elastography, acoustic radiation force impulse imaging, and magnetic resonance elastography. Methods based on ultrasonography are comparable in detecting advanced fibrosis and cirrhosis, but their performances may be compromised by hepatic inflammation and obesity. Magnetic resonance elastography has excellent performance parameters for all histological stages in diverse liver diseases, is uninfluenced by inflammatory activity or body habitus, has been superior to other radiological methods in nonalcoholic fatty liver disease, and may emerge as the preferred instrument to evaluate fibrosis in autoimmune hepatitis. Promising anti-fibrotic interventions are site- and organelle-specific agents, especially inhibitors of nicotinamide adenine dinucleotide phosphate oxidases, transforming growth factor beta, inducible nitric oxide synthase, lysyl oxidases, and C-C chemokine receptors types 2 and 5. Autoimmune hepatitis has a pro-fibrotic propensity, and noninvasive radiological methods, especially magnetic resonance elastography, and site- and organelle-specific interventions, especially selective antioxidants and inhibitors of collagen cross-linkage, may emerge to strengthen current management strategies.
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Aslam R, Raza SM, Naeemi H, Mubarak B, Afzal N, Khaliq S. SOCS3 mRNA expression and polymorphisms as pretreatment predictor of response to HCV genotype 3a IFN-based treatment. SPRINGERPLUS 2016; 5:1826. [PMID: 27818864 PMCID: PMC5074986 DOI: 10.1186/s40064-016-3506-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 10/10/2016] [Indexed: 01/10/2023]
Abstract
Aim Suppressor of Cytokine Signaling 3 (SOCS3) gene belongs to SOCS family as one of the negative regulators of cytokine signaling and IFN response that function via the JAK-STAT pathway in antiviral response. SOCS3 expression and genetic polymorphism influences the pathogenesis and outcome of antiviral treatment in hepatitis C virus (HCV) infected patients. This study was designed for analysis of SOCS3 gene expression and polymorphism in Pakistani HCV patients. Methods This descriptive study was conducted on 250 diagnosed HCV genotype 3a infected subjects. The study population was divided into two major groups on the basis of therapeutic response i.e. sustained virological response (SVR) and non-responders/relapsers (NR). SOCS3 gene mRNA expression analysis was done by using Real time PCR technique, whereas ARMS PCR technique was used for analysis of SOCS3 gene polymorphisms i.e. 8464 A/C (rs12952093), −4874 A/G (rs4969170) and −1383 A/G, (rs4969168). Results Gene expression analysis of SOCS3 showed that there was statistically significant increase of 2.275-fold and 3.72-fold in relative gene expression for SVR and NR as compared to normal healthy samples (p < 0.001). The distribution of rs4969168, rs4969170 and rs12952093 genotype frequencies between SVR versus NR group were not statistically significant, only the allelic frequency of rs4969170 was statistically significant (p ≤ 0.0001) with therapeutic response. Conclusion The gene expression analysis of SOCS3 showed a clear difference in mRNA expression of SOCS3 as a possible indicator of therapeutic response rather than polymorphism of SOCS3 gene in our studied population.
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Affiliation(s)
- Rabia Aslam
- Department of Immunology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan
| | - Syed Mohsin Raza
- Department of Physiology & Cell Biology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan ; Allied Health Sciences, University of Health Sciences Lahore, Lahore, Pakistan
| | - Humeira Naeemi
- Department of Immunology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan
| | - Bushra Mubarak
- Department of Immunology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan
| | - Nadeem Afzal
- Department of Immunology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan
| | - Saba Khaliq
- Department of Physiology & Cell Biology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan ; Department of Immunology, University of Health Sciences Lahore, Khayaban-e-Jamia Punjab, Lahore, Pakistan
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Keng CT, Sze CW, Zheng D, Zheng Z, Yong KSM, Tan SQ, Ong JJY, Tan SY, Loh E, Upadya MH, Kuick CH, Hotta H, Lim SG, Tan TC, Chang KTE, Hong W, Chen J, Tan YJ, Chen Q. Characterisation of liver pathogenesis, human immune responses and drug testing in a humanised mouse model of HCV infection. Gut 2016; 65:1744-53. [PMID: 26149491 PMCID: PMC5036242 DOI: 10.1136/gutjnl-2014-307856] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2014] [Accepted: 05/11/2015] [Indexed: 12/13/2022]
Abstract
OBJECTIVE HCV infection affects millions of people worldwide, and many patients develop chronic infection leading to liver cancers. For decades, the lack of a small animal model that can recapitulate HCV infection, its immunopathogenesis and disease progression has impeded the development of an effective vaccine and therapeutics. We aim to provide a humanised mouse model for the understanding of HCV-specific human immune responses and HCV-associated disease pathologies. DESIGN Recently, we have established human liver cells with a matched human immune system in NOD-scid Il2rg(-/-) (NSG) mice (HIL mice). These mice are infected with HCV by intravenous injection, and the pathologies are investigated. RESULTS In this study, we demonstrate that HIL mouse is capable of supporting HCV infection and can present some of the clinical symptoms found in HCV-infected patients including hepatitis, robust virus-specific human immune cell and cytokine responses as well as liver fibrosis and cirrhosis. Similar to results obtained from the analysis of patient samples, the human immune cells, particularly T cells and macrophages, play critical roles during the HCV-associated liver disease development in the HIL mice. Furthermore, our model is demonstrated to be able to reproduce the therapeutic effects of human interferon alpha 2a antiviral treatment. CONCLUSIONS The HIL mouse provides a model for the understanding of HCV-specific human immune responses and HCV-associated disease pathologies. It could also serve as a platform for antifibrosis and immune-modulatory drug testing.
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Affiliation(s)
- Choong Tat Keng
- Institute of Molecular and Cell Biology, Singapore, Singapore
| | - Ching Wooen Sze
- Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Dahai Zheng
- Institute of Molecular and Cell Biology, Singapore, Singapore
| | - Zhiqiang Zheng
- Institute of Molecular and Cell Biology, Singapore, Singapore
| | | | - Shu Qi Tan
- Department of Obstetrics & Gynaecology, KK Women's and Children's Hospital, Singapore, Singapore
| | | | - Sue Yee Tan
- Institute of Molecular and Cell Biology, Singapore, Singapore
| | - Eva Loh
- Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Megha Haridas Upadya
- Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Chik Hong Kuick
- Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore, Singapore
| | - Hak Hotta
- Division of Microbiology, Kobe University Graduate School of Medicine, Hyogo, Japan
| | - Seng Gee Lim
- Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore Department of Gastroenterology and Hepatology, National University Health System, Singapore, Singapore
| | - Thiam Chye Tan
- Department of Obstetrics & Gynaecology, KK Women's and Children's Hospital, Singapore, Singapore Duke-NUS Graduate Medical School, Singapore, Singapore
| | - Kenneth T E Chang
- Department of Pathology and Laboratory Medicine, KK Women's and Children's Hospital, Singapore, Singapore Duke-NUS Graduate Medical School, Singapore, Singapore
| | - Wanjin Hong
- Institute of Molecular and Cell Biology, Singapore, Singapore
| | - Jianzhu Chen
- Interdisciplinary Research Group in Infectious Diseases, Singapore-Massachusetts Institute of Technology Alliance for Research and Technology, Singapore, Singapore The Koch Institute for Integrative Cancer Research and Department of Biology, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
| | - Yee-Joo Tan
- Institute of Molecular and Cell Biology, Singapore, Singapore Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Qingfeng Chen
- Institute of Molecular and Cell Biology, Singapore, Singapore Department of Microbiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore Interdisciplinary Research Group in Infectious Diseases, Singapore-Massachusetts Institute of Technology Alliance for Research and Technology, Singapore, Singapore
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43
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[Hepatitis C during pregnancy, vertical transmission and new treatment possibilities]. Med Clin (Barc) 2016; 147:499-505. [PMID: 27209226 DOI: 10.1016/j.medcli.2016.04.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/04/2016] [Accepted: 04/07/2016] [Indexed: 02/08/2023]
Abstract
Hepatitis C virus (HCV) infection has been recognised as a worldwide health problem. HCV is the most common cause of cirrhosis, hepatocellular carcinoma and liver transplantation. The HCV prevalence reported in pregnant women is similar to that found among the general population and does not appear to have an adverse effect on the course of pregnancy. The vertical transmission of HCV (HCV-VT) is a major route of HCV infection in children in the developed countries (>90%). The overall rate of mother-to-child transmission and chronification is about 3%-8%; however, this rate is higher for mothers who are co-infected with the human immunodeficiency virus (15-20%). In this review, we analyse the course of HCV infection during gestation, the risk factors associated with HCV-VT, the diagnostic methods/clinical monitoring recommended and the new possibilities of treatment in the era of direct-acting antiviral agents, which are essential to guide future public health efforts appropriately.
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Cryoglobulinaemia in Egyptian Patients with Extrahepatic Cutaneous Manifestations of Chronic Hepatitis C Virus Infection. Dermatol Res Pract 2015; 2015:182609. [PMID: 26839534 PMCID: PMC4709666 DOI: 10.1155/2015/182609] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Accepted: 12/14/2015] [Indexed: 02/06/2023] Open
Abstract
Background. Hepatitis C is a global major health problem with extremely variable extrahepatic manifestations. Mixed cryoglobulinaemia (MC) shows a striking association with hepatitis C virus (HCV) infection, and it is sometimes asymptomatic. The skin is a frequently involved target organ in MC. Objective. To investigate the prevalence of cryoglobulinaemia in a sample of Egyptian patients with cutaneous manifestations of chronic HCV infection and to correlate its presence with clinical criteria and liver function tests. Methods. One hundred and eighteen patients with skin manifestations of chronic compensated hepatitis C were included. Venous blood was tested for liver function tests and serum cryoglobulins. Results. Twelve patients (10.169%) were positive for serum cryoglobulins (2 with pruritus, 4 with vasculitic lesions, 3 with livedo reticularis, one with oral lichen, one with chronic urticaria, and another with Schamberg's disease). Vasculitic lesions and livedo reticularis of the legs showed higher prevalence in cryoglobulin-positive than in cryoglobulin-negative patients. Presence of serum cryoglobulins did not relate to patients' demographic or laboratory findings. Conclusions. Fortunately, MC is not markedly prevalent among Egyptians with cutaneous lesions of chronic hepatitis C, and cryopositivity was commonly, but not exclusively, detected with cutaneous vasculitis and livedo reticularis. Laboratory testing for cryoglobulins in every HCV patient is advisable for earlier MC detection and management.
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Jabłońska J, Pawłowski T, Laskus T, Zalewska M, Inglot M, Osowska S, Perlejewski K, Bukowska-Ośko I, Cortes KC, Pawełczyk A, Ząbek P, Radkowski M. The correlation between pretreatment cytokine expression patterns in peripheral blood mononuclear cells with chronic hepatitis C outcome. BMC Infect Dis 2015; 15:556. [PMID: 26637466 PMCID: PMC4670510 DOI: 10.1186/s12879-015-1305-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Accepted: 12/01/2015] [Indexed: 12/24/2022] Open
Abstract
Backgroud Cytokine response against hepatitis C virus (HCV) is likely to determine the natural course of infection as well as the outcome of antiviral treatment. However, the role of particular cytokines remains unclear. The current study analyzed activation of cytokine response in chronic hepatitis C patients undergoing standard antiviral treatment. Methods Twenty-two patients were treated with pegylated interferon and ribavirin. Twenty-six different cytokine transcripts were measured quantitatively in peripheral blood mononuclear cells (PBMC) before and after therapy and correlated with therapy outcome as well as with clinical and liver histological data. Results We found that patients who achieved sustained virological response (SVR) showed higher pretreatment cytokine response when compared to subjects in whom therapy was unsuccessful. The differentially expressed factors included IL-8, IL-16, TNF-α, GM-CSF, MCP-2, TGF-β, and IP-10. Serum ALT activity and/or histological grading also positively correlated with the expression of IL-1α, IL-4, IL-6, IL-10, IL-12, IL-15, GM-CSF, M-CSF, MCP-2 and TGF-β. Conclusion Pretreatment activation of the immune system, as reflected by cytokines transcripts upregulation, positively correlates with treatment outcome and closely reflects liver inflammatory activity.
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Affiliation(s)
- Joanna Jabłońska
- Department of Hepatology and Acquired Immunodeficiences, Medical University of Warsaw, Warsaw, Poland.
| | - Tomasz Pawłowski
- Division of Psychotherapy and Psychosomatic Medicine, Wrocław Medical University, Wrocław, Poland.
| | - Tomasz Laskus
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
| | - Małgorzata Zalewska
- Department of Infectious Diseases, Hepatology and Acquired Immune Deficiences, Wrocław Medical University, Wrocław, Poland.
| | - Małgorzata Inglot
- Department of Infectious Diseases, Hepatology and Acquired Immune Deficiences, Wrocław Medical University, Wrocław, Poland.
| | - Sylwia Osowska
- Department of General Surgery and Clinical Nutrition, Medical University of Warsaw, Warsaw, Poland.
| | - Karol Perlejewski
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
| | - Iwona Bukowska-Ośko
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
| | - Kamila Caraballo Cortes
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
| | - Agnieszka Pawełczyk
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
| | - Piotr Ząbek
- Municipal Hospital of Infectious Diseases, Warsaw, Poland.
| | - Marek Radkowski
- Department of Immunopathology of Infectious Diseases, Medical University of Warsaw, Warsaw, Poland.
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Huang QT, Huang Q, Zhong M, Wei SS, Luo W, Li F, Yu YH. Chronic hepatitis C virus infection is associated with increased risk of preterm birth: a meta-analysis of observational studies. J Viral Hepat 2015; 22:1033-42. [PMID: 26081198 DOI: 10.1111/jvh.12430] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 02/03/2015] [Indexed: 02/07/2023]
Abstract
Although several epidemiological studies reported that maternal chronic hepatitis C virus (HCV) infection had significantly increased risk of undergoing adverse obstetrical and perinatal outcomes, studies on the relationship between HCV infection and risk of preterm birth (PTB) have yielded inconclusive and inconsistent results. Therefore, we conducted a meta-analysis to investigate the association between HCV infection and PTB. The electronic database was searched until 1 September 2014. Relevant studies reporting the association between HCV infection and the risk of PTB were included for further evaluation. Statistical analysis was performed using revmen 5.3 and stata 10.0. Nine studies involving 4186698 participants and 5218 HCV infection cases were included. A significant association between HCV infection and PTB was observed (odds ratio = 1.62, 95% CI 1.48-1.76, P < 0.001, fixed-effects model). Stratification according to maternal smoking/alcohol abuse, maternal drug abuse or coinfected with HBV and/or HIV matched groups still demonstrated that women with HCV infection had a high risk for PTB. Findings from our meta-analysis suggested that maternal HCV infection was significantly associated with an increased risk of PTB. In the future, pathophysiological studies are warranted to ascertain the causality and explore the possible biological mechanisms involved.
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Affiliation(s)
- Q-t Huang
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, University of Toronto, Toronto, Canada
| | - Q Huang
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - M Zhong
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - S-s Wei
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - W Luo
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - F Li
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Y-h Yu
- Division of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, China
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47
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Han ZQ, Huang T, Deng YZ, Zhu GZ. Expression profile and kinetics of cytokines and chemokines in patients with chronic hepatitis C. Int J Clin Exp Med 2015; 8:17995-18003. [PMID: 26770394 PMCID: PMC4694294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2015] [Accepted: 10/03/2015] [Indexed: 06/05/2023]
Abstract
Cytokines and chemokines play an important role in defense against viral infection and modulating immune response. However, expression prolife of serum cytokines and chemokines, which were associated with the outcome of patients in response to anti-HCV treatment have not been fully elucidated. The current study aimed to determine the expression pattern of cytokines and chemokines in chronic HCV infection and their association with outcome in response to therapy. Seventy-two patients with HCV infection were enrolled, and fifty-one received peg-interferon α-2a and ribavirin therapy for 48 weeks. Thirty-nine cytokines and chemokines were analyzed by Luminex 200 and ELISA. In comparison to healthy individuals, production of IL-8 and IL-10 were increased in chronic hepatitis C patients. In contrast, IFN-γ, IL-7, and IL-15 were remarkably decreased, especially in HCV genotype 1b infection. HCV RNA load is closely associated with IL-10 and IL-15 expressions, and inhibition of HCV replication was accompanied by reduction in IL-10 and elevation in IL-7 and IL-15. Skewed cytokines and chemokines expression existed in chronic HCV infection, and might play an important role in persistent HCV infection. Exploiting the expression pattern of cytokines and chemokines may help to develop a better understanding of the pathogenesis of chronic HCV infection.
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Affiliation(s)
- Zhen-Qi Han
- Department of Clinical Laboratory Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine Changchun 130103, Jilin Province, China
| | - Tao Huang
- Department of Clinical Laboratory Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine Changchun 130103, Jilin Province, China
| | - Yong-Zhi Deng
- Department of Clinical Laboratory Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine Changchun 130103, Jilin Province, China
| | - Guang-Ze Zhu
- Department of Clinical Laboratory Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine Changchun 130103, Jilin Province, China
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Engström W, Darbre P, Eriksson S, Gulliver L, Hultman T, Karamouzis MV, Klaunig JE, Mehta R, Moorwood K, Sanderson T, Sone H, Vadgama P, Wagemaker G, Ward A, Singh N, Al-Mulla F, Al-Temaimi R, Amedei A, Colacci AM, Vaccari M, Mondello C, Scovassi AI, Raju J, Hamid RA, Memeo L, Forte S, Roy R, Woodrick J, Salem HK, Ryan EP, Brown DG, Bisson WH. The potential for chemical mixtures from the environment to enable the cancer hallmark of sustained proliferative signalling. Carcinogenesis 2015; 36 Suppl 1:S38-60. [PMID: 26106143 DOI: 10.1093/carcin/bgv030] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The aim of this work is to review current knowledge relating the established cancer hallmark, sustained cell proliferation to the existence of chemicals present as low dose mixtures in the environment. Normal cell proliferation is under tight control, i.e. cells respond to a signal to proliferate, and although most cells continue to proliferate into adult life, the multiplication ceases once the stimulatory signal disappears or if the cells are exposed to growth inhibitory signals. Under such circumstances, normal cells remain quiescent until they are stimulated to resume further proliferation. In contrast, tumour cells are unable to halt proliferation, either when subjected to growth inhibitory signals or in the absence of growth stimulatory signals. Environmental chemicals with carcinogenic potential may cause sustained cell proliferation by interfering with some cell proliferation control mechanisms committing cells to an indefinite proliferative span.
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Affiliation(s)
- Wilhelm Engström
- Department of Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, PO Box 7028, 75007 Uppsala, Sweden,
| | - Philippa Darbre
- School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6UB, UK
| | - Staffan Eriksson
- Department of Biochemistry, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, Box 575, 75123 Uppsala, Sweden
| | - Linda Gulliver
- Faculty of Medicine, University of Otago, PO Box 913, Dunedin 9050, New Zealand
| | - Tove Hultman
- Department of Biosciences and Veterinary Public Health, Faculty of Veterinary Medicine, Swedish University of Agricultural Sciences, PO Box 7028, 75007 Uppsala, Sweden, School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6UB, UK
| | - Michalis V Karamouzis
- Department of Biological Chemistry Medical School, Institute of Molecular Medicine and Biomedical Research, University of Athens, Marasli 3, Kolonaki, Athens 10676, Greece
| | - James E Klaunig
- Department of Environmental Health, School of Public Health, Indiana University Bloomington , 1025 E. 7th Street, Suite 111, Bloomington, IN 47405, USA
| | - Rekha Mehta
- Regulatory Toxicology Research Division, Bureau of Chemical Safety, Food Directorate, HPFB, Health Canada, 251 Sir F.G. Banting Driveway, AL # 2202C, Tunney's Pasture, Ottawa, Ontario K1A 0K9, Canada
| | - Kim Moorwood
- Department of Biochemistry and Biology, University of Bath , Claverton Down, Bath BA2 7AY, UK
| | - Thomas Sanderson
- INRS-Institut Armand-Frappier, 531 boulevard des Prairies, Laval, Quebec H7V 1B7, Canada
| | - Hideko Sone
- Environmental Exposure Research Section, Center for Environmental Risk Research, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba, Ibraki 3058506, Japan
| | - Pankaj Vadgama
- IRC in Biomedical Materials, School of Engineering & Materials Science, Queen Mary University of London, Mile End Road, London E1 4NS, UK
| | - Gerard Wagemaker
- Center for Stem Cell Research and Development, Hacettepe University, Ankara 06100, Turkey
| | - Andrew Ward
- Department of Biochemistry and Biology, University of Bath , Claverton Down, Bath BA2 7AY, UK
| | - Neetu Singh
- Centre for Advanced Research, King George's Medical University, Chowk, Lucknow, Uttar Pradesh 226003, India
| | - Fahd Al-Mulla
- Department of Pathology, Kuwait University, Safat 13110, Kuwait
| | | | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Firenze, Firenze 50134, Italy
| | - Anna Maria Colacci
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy
| | - Monica Vaccari
- Center for Environmental Carcinogenesis and Risk Assessment, Environmental Protection and Health Prevention Agency, Bologna 40126, Italy
| | - Chiara Mondello
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - A Ivana Scovassi
- Institute of Molecular Genetics, National Research Council, Pavia 27100, Italy
| | - Jayadev Raju
- Regulatoty Toxicology Research Division, Bureau of Chemical Safety, Food Directorate, HPFB, Health Canada, Ottawa, Ontario K1A0K9, Canada
| | - Roslida A Hamid
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Serdang, Selangor, Malaysia
| | - Lorenzo Memeo
- Mediterranean Institute of Oncology, Viagrande 95029, Italy
| | - Stefano Forte
- Mediterranean Institute of Oncology, Viagrande 95029, Italy
| | - Rabindra Roy
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Jordan Woodrick
- Molecular Oncology Program, Lombardi Comprehensive Cancer Center, Georgetown University Medical Center, Washington, DC 20057, USA
| | - Hosni K Salem
- Urology Dept. kasr Al-Ainy School of Medicine, Cairo University, El Manial, Cairo 12515, Egypt
| | - Elizabeth P Ryan
- Department of Environmental and Radiological Sciences, Colorado State University//Colorado School of Public Health, Fort Collins CO 80523-1680, USA and
| | - Dustin G Brown
- Department of Environmental and Radiological Sciences, Colorado State University//Colorado School of Public Health, Fort Collins CO 80523-1680, USA and
| | - William H Bisson
- Environmental and Molecular Toxicology, Environmental Health Sciences Center, Oregon State University, Corvallis, OR 97331, USA
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Refaat B, El-Shemi AG, Ashshi A, Azhar E. Vitamin D and chronic hepatitis C: effects on success rate and prevention of side effects associated with pegylated interferon-α and ribavirin. Int J Clin Exp Med 2015; 8:10284-10303. [PMID: 26379820 PMCID: PMC4565203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 07/01/2015] [Indexed: 06/05/2023]
Abstract
Chronic hepatitis C (CHC) is one of the most common causes of liver diseases worldwide, affecting 3% of the world population and 3 to 4 million people acquire new infection annually. Despite the recent introduction of novel antiviral drugs for the treatment of CHC, these drugs are expensive and the access to them is not an option for many patients. Hence, the traditional therapy by pegylated interferon-α (Peg-IFN-α) and ribavirin may still have a role in the clinical management of CHC especially in developing countries. However, this standard therapy is associated with several severe extra-hepatic side effects and the most common adverse events are hematological abnormalities and thyroid disorders and they could result in dose reduction and/or termination of therapy. Vitamin D has been shown to be a key regulatory element of the immune system, and its serum concentrations correlate with the severity of liver damage and the development of liver fibrosis/cirrhosis. Furthermore, supplementation with vitamin D with Peg-IFN-α based therapy for the treatment of CHC could be beneficial in increase the response rate to Peg-INF-α based therapy. Vitamin D has also been shown to regulate the thyroid functions and the process of erythropoiesis. This review appraises the data to date researching the role of vitamin D during the treatment of CHC and the potential role of vitamin D in preventing/treating Peg-IFN-α induced thyroiditis and anemia during the course of treatment.
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Affiliation(s)
- Bassem Refaat
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura UniversityAl Abdeyah, Makkah, PO Box 7607, KSA
| | - Adel Galal El-Shemi
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura UniversityAl Abdeyah, Makkah, PO Box 7607, KSA
- Department of Pharmacology, Faculty of Medicine, Assiut UniversityEgypt
| | - Ahmed Ashshi
- Department of Laboratory Medicine, Faculty of Applied Medical Sciences, Umm Al-Qura UniversityAl Abdeyah, Makkah, PO Box 7607, KSA
| | - Esam Azhar
- Special Infectious Agents Unit, King Fahd Medical Research Center, King Abdulaziz UniversityJeddah, KSA
- Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz UniversityJeddah, Saudi Arabia
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50
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Pegylated Interferon-α Modulates Liver Concentrations of Activin-A and Its Related Proteins in Normal Wistar Rat. Mediators Inflamm 2015; 2015:414207. [PMID: 26236109 PMCID: PMC4506924 DOI: 10.1155/2015/414207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Revised: 05/30/2015] [Accepted: 06/03/2015] [Indexed: 02/06/2023] Open
Abstract
Aims. To measure the expression of activin βA-subunit, activin IIA and IIB receptors, Smad4, Smad7, and follistatin in the liver and the liver and serum concentrations of mature activin-A and follistatin in normal rat following treatment with pegylated interferon-α (Peg-INF-α) and ribavirin (RBV). Materials and Methods. 40 male Wistar rats were divided equally into 4 groups: “control,” “Peg-only” receiving 4 injections of Peg-INF-α (6 µg/rat/week), “RBV-only” receiving ribavirin (4 mg/rat/day) orally, and “Peg & RBV” group receiving both drugs. The expression of candidate molecules in liver was measured by immunohistochemistry and quantitative PCR. The concentrations of mature proteins in serum and liver homogenate samples were measured using ELISA. Results. Peg-INF-α ± RBV altered the expression of all candidate molecules in the liver at the gene and protein levels (P < 0.05) and decreased activin-A and increased follistatin in serum and liver homogenates compared with the other groups (P < 0.05). There were also significant correlations between serum and liver activin-A and follistatin. Conclusion. Peg-INF-α modulates the hepatic production of activin-A and follistatin, which can be detected in serum. Further studies are needed to explore the role of Peg-INF-α on the production of activins and follistatin by the liver and immune cells.
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