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Qi Y, Qiu A, Wei X, Huang Y, Huang Q, Huang W. Effects of 6PPD-Quinone on Human Liver Cell Lines as Revealed with Cell Viability Assay and Metabolomics Analysis. TOXICS 2024; 12:389. [PMID: 38922069 PMCID: PMC11209231 DOI: 10.3390/toxics12060389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 06/27/2024]
Abstract
N-(1,3-Dimethyl butyl)-N'-phenyl-phenylenediamine-quinone (6PPD-Q) is a derivative of the widely used rubber tire antioxidant 6PPD, which was first found to be acutely toxic to coho salmon. Subsequent studies showed that 6PPD-Q had species-specific acute toxicity in fishes and potential hepatotoxicity in mice. In addition, 6PPD-Q has been reported in human urine, demonstrating the potential widespread exposure of humans to this chemical. However, whether 6PPD-Q poses a higher risk to humans than its parent compound, 6PPD, and could cause adverse effects in humans is still unclear. In this study, we utilized two human liver cell models (the human proto-hepatocyte model L02 and the human hepatocellular carcinoma cell line HepG2) to investigate the potentially differential effects of these two chemicals. Cell viability curve analysis showed that 6PPD-Q had lower IC50 values than 6PPD for both liver cell lines, suggesting higher toxicity of 6PPD-Q to human liver cells than 6PPD. In addition, L02 cells are more sensitive to 6PPD-Q exposure, which might be derived from its weaker metabolic transformation of 6PPD-Q, since significantly lower levels of phase I and phase II metabolites were detected in 6PPD-Q-exposed L02 cell culture medium. Furthermore, pathway analysis showed that 6PPD-Q exposure induced changes in phenylalanine, tyrosine, and tryptophan biosynthesis and tyrosine metabolism pathways in L02 cells, which might be the mechanism underlying its liver cell toxicity. Gene expression analysis revealed that exposure to 6PPD-Q induced excessive ROS production in L02 cells. Our results further supported the higher risk of 6PPD-Q than 6PPD and provided insights for understanding the effects of 6PPD-Q on human health.
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Affiliation(s)
| | | | | | | | | | - Wei Huang
- Guangdong Key Laboratory of Environmental Pollution and Health, College of Environment and Climate, Jinan University, Guangzhou 510632, China
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2
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Ioniuc I, Lupu A, Tarnita I, Mastaleru A, Trandafir LM, Lupu VV, Starcea IM, Alecsa M, Morariu ID, Salaru DL, Azoicai A. Insights into the Management of Chronic Hepatitis in Children-From Oxidative Stress to Antioxidant Therapy. Int J Mol Sci 2024; 25:3908. [PMID: 38612717 PMCID: PMC11011982 DOI: 10.3390/ijms25073908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/22/2024] [Accepted: 03/29/2024] [Indexed: 04/14/2024] Open
Abstract
Recent research has generated awareness of the existence of various pathophysiological pathways that contribute to the development of chronic diseases; thus, pro-oxidative factors have been accepted as significant contributors to the emergence of a wide range of diseases, from inflammatory to malignant. Redox homeostasis is especially crucial in liver pathology, as disturbances at this level have been linked to a variety of chronic diseases. Hepatitis is an umbrella term used to describe liver inflammation, which is the foundation of this disease regardless of its cause. Chronic hepatitis produces both oxidative stress generated by hepatocyte inflammation and viral inoculation. The majority of hepatitis in children is caused by a virus, and current studies reveal that 60-80% of cases become chronic, with many young patients still at risk of advancing liver damage. This review intends to emphasize the relevance of understanding these pathological redox pathways, as well as the need to update therapeutic strategies in chronic liver pathology, considering the beneficial effects of antioxidants.
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Affiliation(s)
- Ileana Ioniuc
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Ancuta Lupu
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Irina Tarnita
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Alexandra Mastaleru
- Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (A.M.); (D.L.S.)
| | - Laura Mihaela Trandafir
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Vasile Valeriu Lupu
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Iuliana Magdalena Starcea
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Mirabela Alecsa
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
| | - Ionela Daniela Morariu
- Faculty of Pharmacy, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania;
| | - Delia Lidia Salaru
- Faculty of Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (A.M.); (D.L.S.)
| | - Alice Azoicai
- Department of Mother and Child, “Grigore T. Popa” University of Medicine and Pharmacy, 700115 Iasi, Romania; (I.I.); (I.T.); (L.M.T.); (I.M.S.); (M.A.); (A.A.)
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3
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Wei Y, Gu Y, Zhou Z, Wu C, Liu Y, Sun H. TRIM21 Promotes Oxidative Stress and Ferroptosis through the SQSTM1-NRF2-KEAP1 Axis to Increase the Titers of H5N1 Highly Pathogenic Avian Influenza Virus. Int J Mol Sci 2024; 25:3315. [PMID: 38542289 PMCID: PMC10970474 DOI: 10.3390/ijms25063315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/26/2024] [Accepted: 03/03/2024] [Indexed: 04/04/2024] Open
Abstract
Tripartite motif-containing protein 21 (TRIM21) is involved in signal transduction and antiviral responses through the ubiquitination of protein targets. TRIM21 was reported to be related to the imbalance of host cell homeostasis caused by viral infection. Our studies indicated that H5N1 highly pathogenic avian influenza virus (HPAIV) infection up-regulated TRIM21 expression in A549 cells. Western blot and qPCR results showed that knockdown of TRIM21 alleviated oxidative stress and ferroptosis induced by H5N1 HPAIV and promoted the activation of antioxidant pathways. Co-IP results showed that TRIM21 promoted oxidative stress and ferroptosis by regulating the SQSTM1-NRF2-KEAP1 axis by increasing SQSTM1 K63-linked polyubiquitination under the condition of HPAIV infection. In addition, TRIM21 attenuated the inhibitory effect of antioxidant NAC on HPAIV titers and enhanced the promoting effect of ferroptosis agonist Erastin on HPAIV titers. Our findings provide new insight into the role of TRIM21 in oxidative stress and ferroptosis induced by viral infection.
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Affiliation(s)
- Yifan Wei
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
| | - Yongxia Gu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
| | - Ziwei Zhou
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
| | - Changrong Wu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
| | - Yanwei Liu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
| | - Hailiang Sun
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; (Y.W.); (Y.G.); (Z.Z.); (C.W.); (Y.L.)
- Key Laboratory of Zoonosis Control and Prevention of Guangdong Province, South China Agricultural University, Guangzhou 510642, China
- National and Regional Joint Engineering Laboratory for Medicament of Zoonosis Prevention and Control, South China Agricultural University, Guangzhou 510642, China
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Chida T, Watanabe S, Ohta K, Noritake H, Ito M, Suzuki T, Suda T, Kawata K. Impact of amino acid substitutions in hepatitis C virus core region on the severe oxidative stress. Free Radic Biol Med 2024; 212:199-206. [PMID: 38103659 DOI: 10.1016/j.freeradbiomed.2023.12.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2023] [Revised: 12/08/2023] [Accepted: 12/11/2023] [Indexed: 12/19/2023]
Abstract
Hepatitis C virus (HCV) infection is a major cause of chronic liver disease, leading to liver steatosis, fibrosis, and hepatocellular carcinoma (HCC). Despite the accumulation of clinical data showing the impact of amino acid substitutions at positions 70 (R70Q/H) and/or 91 (L91M) in the HCV core protein in progressive liver diseases, including HCC, the underlying mechanisms have not been elucidated. We analyzed 72 liver biopsy specimens from patients with chronic HCV genotype 1b (HCV-1b) infection prior to antiviral treatment. Levels of 8-hydroxy-2'-deoxyguanosine (8-OHdG) and nuclear factor erythroid 2-related factor 2 (NRF2) in the nucleus were quantified using liver tissue immunohistochemistry. The effects of amino acid substitutions in the HCV core region on hepatocellular oxidative stress were investigated using wild-type or double-mutant (R70Q/H+L91M) HCV-1b core transfection and stable expression in human hepatoma HuH-7 cells. Overall, 24, 19, 11, and 18 patients had the wild-type, R70Q/H, L91M, and R70Q/H+L91M genotypes, respectively, in the HCV core. A significantly higher accumulation of hepatocellular 8-OHdG and a lower NRF2/8-OHdG ratio were observed in patients with R70Q/H+L91M than in those with the wild-type disease. Increased levels of intracellular superoxide and hydrogen peroxide in the cytoplasm and mitochondria, mRNA expression of enzymes generating oxidative stress, and nuclear expression of nicotinamide adenine dinucleotide phosphate oxidase 4 were augmented in cells treated with R70Q+L91M. HCV core proteins harboring either or both substitutions of R70Q/H or L91M enhanced hepatocellular oxidative stress in vivo and in vitro. These amino acid substitutions may affect HCC development by enhancing hepatic oxidative stress in patients with chronic HCV-1b infection.
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Affiliation(s)
- Takeshi Chida
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan; Department of Regional Medical Care Support, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Shinya Watanabe
- Department of Gastroenterology, Shimada General Medical Center, 1200-5 Noda, Shimada, Shizuoka, 427-8502, Japan
| | - Kazuyoshi Ohta
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Hidenao Noritake
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Masahiko Ito
- Department of Microbiology & Immunology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Tetsuro Suzuki
- Department of Microbiology & Immunology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Takafumi Suda
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan
| | - Kazuhito Kawata
- Hepatology Division, Department of Internal Medicine II, Hamamatsu University School of Medicine, 1-20-1 Handayama, Hamamatsu, Shizuoka, 431-3192, Japan.
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5
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Lee J, Ou JHJ. HCV-induced autophagy and innate immunity. Front Immunol 2024; 15:1305157. [PMID: 38370419 PMCID: PMC10874285 DOI: 10.3389/fimmu.2024.1305157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/19/2024] [Indexed: 02/20/2024] Open
Abstract
The interplay between autophagy and host innate immunity has been of great interest. Hepatitis C virus (HCV) impedes signaling pathways initiated by pattern-recognition receptors (PRRs) that recognize pathogens-associated molecular patterns (PAMPs). Autophagy, a cellular catabolic process, delivers damaged organelles and protein aggregates to lysosomes for degradation and recycling. Autophagy is also an innate immune response of cells to trap pathogens in membrane vesicles for removal. However, HCV controls the autophagic pathway and uses autophagic membranes to enhance its replication. Mitophagy, a selective autophagy targeting mitochondria, alters the dynamics and metabolism of mitochondria, which play important roles in host antiviral responses. HCV also alters mitochondrial dynamics and promotes mitophagy to prevent premature cell death and attenuate the interferon (IFN) response. In addition, the dysregulation of the inflammasomal response by HCV leads to IFN resistance and immune tolerance. These immune evasion properties of HCV allow HCV to successfully replicate and persist in its host cells. In this article, we discuss HCV-induced autophagy/mitophagy and its associated immunological responses and provide a review of our current understanding of how these processes are regulated in HCV-infected cells.
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Affiliation(s)
| | - J.-H. James Ou
- Department of Molecular Microbiology and Immunology, University of Southern California, Keck School of Medicine, Los Angeles, CA, United States
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6
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Yoon H, Jang KL. Hydrogen Peroxide Inhibits Hepatitis C Virus Replication by Downregulating Hepatitis C Virus Core Levels through E6-Associated Protein-Mediated Proteasomal Degradation. Cells 2023; 13:62. [PMID: 38201266 PMCID: PMC10778395 DOI: 10.3390/cells13010062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/22/2023] [Accepted: 12/26/2023] [Indexed: 01/12/2024] Open
Abstract
Hepatitis C virus (HCV) is constantly exposed to considerable oxidative stress, characterized by elevated levels of reactive oxygen species, including hydrogen peroxide (H2O2), during acute and chronic infection in the hepatocytes of patients. However, the effect of oxidative stress on HCV replication is largely unknown. In the present study, we demonstrated that H2O2 downregulated HCV Core levels to inhibit HCV replication. For this purpose, H2O2 upregulated p53 levels, resulting in the downregulation of both the protein and enzyme activity levels of DNA methyltransferase 1 (DNMT1), DNMT3a, and DNMT3b, and activated the expression of E6-associated protein (E6AP) through promoter hypomethylation in the presence of HCV Core. E6AP, an E3 ligase, induced the ubiquitin-dependent proteasomal degradation of HCV Core in a p53-dependent manner. The inhibitory effect of H2O2 on HCV replication was almost completely nullified either by treatment with a representative antioxidant, N-acetyl-L-cysteine, or by knockdown of p53 or E6AP using a specific short hairpin RNA, confirming the roles of p53 and E6AP in the inhibition of HCV replication by H2O2. This study provides insights into the mechanisms that regulate HCV replication under conditions of oxidative stress in patients.
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Affiliation(s)
- Hyunyoung Yoon
- Department of Integrated Biological Science, The Graduate School, Pusan National University, Busan 46241, Republic of Korea;
| | - Kyung Lib Jang
- Department of Integrated Biological Science, The Graduate School, Pusan National University, Busan 46241, Republic of Korea;
- Department of Microbiology, College of Natural Science, Pusan National University, Busan 46241, Republic of Korea
- Microbiological Resource Research Institute, Pusan National University, Busan 46241, Republic of Korea
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7
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Castro V, Pérez-Berna AJ, Calvo G, Pereiro E, Gastaminza P. Three-Dimensional Remodeling of SARS-CoV2-Infected Cells Revealed by Cryogenic Soft X-ray Tomography. ACS NANO 2023; 17:22708-22721. [PMID: 37939169 PMCID: PMC10690842 DOI: 10.1021/acsnano.3c07265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/27/2023] [Accepted: 10/27/2023] [Indexed: 11/10/2023]
Abstract
Plus-strand RNA viruses are proficient at remodeling host cell membranes for optimal viral genome replication and the production of infectious progeny. These ultrastructural alterations result in the formation of viral membranous organelles and may be observed by different imaging techniques, providing nanometric resolution. Guided by confocal and electron microscopy, this study describes the generation of wide-field volumes using cryogenic soft-X-ray tomography (cryo-SXT) on SARS-CoV-2-infected human lung adenocarcinoma cells. Confocal microscopy showed accumulation of double-stranded RNA (dsRNA) and nucleocapsid (N) protein in compact perinuclear structures, preferentially found around centrosomes at late stages of the infection. Transmission electron microscopy (TEM) showed accumulation of membranous structures in the vicinity of the infected cell nucleus, forming a viral replication organelle containing characteristic double-membrane vesicles and virus-like particles within larger vesicular structures. Cryo-SXT revealed viral replication organelles very similar to those observed by TEM but indicated that the vesicular organelle observed in TEM sections is indeed a vesiculo-tubular network that is enlarged and elongated at late stages of the infection. Overall, our data provide additional insight into the molecular architecture of the SARS-CoV-2 replication organelle.
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Affiliation(s)
- Victoria Castro
- Centro
Nacional de Biotecnología. Calle Darwin, 3, 28049 Madrid, Spain
| | | | - Gema Calvo
- Centro
Nacional de Biotecnología. Calle Darwin, 3, 28049 Madrid, Spain
| | - Eva Pereiro
- ALBA
Synchrotron Light Source, Carrer de la Llum 2-26, 08290 Cerdanyola del Valles, Spain
| | - Pablo Gastaminza
- Centro
Nacional de Biotecnología. Calle Darwin, 3, 28049 Madrid, Spain
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8
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Banerjee P, Gaddam N, Chandler V, Chakraborty S. Oxidative Stress-Induced Liver Damage and Remodeling of the Liver Vasculature. THE AMERICAN JOURNAL OF PATHOLOGY 2023; 193:1400-1414. [PMID: 37355037 DOI: 10.1016/j.ajpath.2023.06.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2023] [Revised: 05/29/2023] [Accepted: 06/08/2023] [Indexed: 06/26/2023]
Abstract
As an organ critically important for targeting and clearing viruses, bacteria, and other foreign material, the liver operates via immune-tolerant, anti-inflammatory mechanisms indispensable to the immune response. Stress and stress-induced factors disrupt the homeostatic balance in the liver, inflicting tissue damage, injury, and remodeling. These factors include oxidative stress (OS) induced by viral infections, environmental toxins, drugs, alcohol, and diet. A recurrent theme seen among stressors common to multiple liver diseases is the induction of mitochondrial dysfunction, increased reactive oxygen species expression, and depletion of ATP. Inflammatory signaling additionally exacerbates the condition, generating a proinflammatory, immunosuppressive microenvironment and activation of apoptotic and necrotic mechanisms that disrupt the integrity of liver morphology. These pathways initiate signaling pathways that significantly contribute to the development of liver steatosis, inflammation, fibrosis, cirrhosis, and liver cancers. In addition, hypoxia and OS directly enhance angiogenesis and lymphangiogenesis in chronic liver diseases. Late-stage consequences of these conditions often narrow the outcomes for liver transplantation or result in death. This review provides a detailed perspective on various stress-induced factors and the specific focus on role of OS in different liver diseases with special emphasis on different molecular mechanisms. It also highlights how resultant changes in the liver vasculature correlate with pathogenesis.
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Affiliation(s)
- Priyanka Banerjee
- Department of Medical Physiology, Texas A&M Health Science Center, Bryan, Texas.
| | - Niyanshi Gaddam
- Department of Medical Physiology, Texas A&M Health Science Center, Bryan, Texas
| | - Vanessa Chandler
- Department of Medical Physiology, Texas A&M Health Science Center, Bryan, Texas
| | - Sanjukta Chakraborty
- Department of Medical Physiology, Texas A&M Health Science Center, Bryan, Texas.
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Shimizu N, Shiraishi H, Hanada T. Zebrafish as a Useful Model System for Human Liver Disease. Cells 2023; 12:2246. [PMID: 37759472 PMCID: PMC10526867 DOI: 10.3390/cells12182246] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/31/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Liver diseases represent a significant global health challenge, thereby necessitating extensive research to understand their intricate complexities and to develop effective treatments. In this context, zebrafish (Danio rerio) have emerged as a valuable model organism for studying various aspects of liver disease. The zebrafish liver has striking similarities to the human liver in terms of structure, function, and regenerative capacity. Researchers have successfully induced liver damage in zebrafish using chemical toxins, genetic manipulation, and other methods, thereby allowing the study of disease mechanisms and the progression of liver disease. Zebrafish embryos or larvae, with their transparency and rapid development, provide a unique opportunity for high-throughput drug screening and the identification of potential therapeutics. This review highlights how research on zebrafish has provided valuable insights into the pathological mechanisms of human liver disease.
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Affiliation(s)
- Nobuyuki Shimizu
- Department of Cell Biology, Oita University Faculty of Medicine, Yufu 879-5593, Oita, Japan;
| | | | - Toshikatsu Hanada
- Department of Cell Biology, Oita University Faculty of Medicine, Yufu 879-5593, Oita, Japan;
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10
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El-Mahdy NA, Abou-Saif S, Abd EL hamid MI, Hashem HM, Hammad MA, Abu-Risha SES. Evaluation of the effect of direct-acting antiviral agents on melatonin level and lipid peroxidation in chronic hepatitis C patients. Front Pharmacol 2023; 14:1128016. [PMID: 37614319 PMCID: PMC10442483 DOI: 10.3389/fphar.2023.1128016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 07/25/2023] [Indexed: 08/25/2023] Open
Abstract
Background: Oxidative stress and its end products, such as malondialdehyde (MDA) play a leading role in the pathogenesis of hepatitis C. Melatonin is a hormone that helps regulate circadian rhythms, which likely play a role in infectious diseases in terms of susceptibility, clinical expression, and outcome. Objective: The present study was conducted to assess serum malondialdehyde and melatonin levels in patients with chronic hepatitis C infection before and after the intake of direct-acting antivirals. Method: Forty hepatitis C patients were the subjects of this study. While ten healthy volunteers who matched in age and socioeconomic status served as the control subjects. Malondialdehyde and melatonin were assayed in the serum of the three groups, and the results were statistically analyzed. Results: Hepatitis C patients had significantly higher malondialdehyde (p < 0.001) but significantly lower melatonin (p < 0.001) as compared to the healthy controls. After 12 weeks of treatment with direct-acting antivirals, the malondialdehyde level decreased significantly (p < 0.001) and the melatonin level increased significantly (p < 0.001). A significant negative correlation between malondialdehyde and melatonin was observed. Conclusion: The present findings suggest that treatment of hepatitis C patients with Direct-acting antivirals improves liver function parameters and antioxidant profiles.
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Affiliation(s)
- Nageh Ahmed El-Mahdy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sabry Abou-Saif
- Department of Tropical Medicine and Infectious Diseases, Faculty of Medicine, Tanta University, Tanta, Egypt
| | | | - Heba M. Hashem
- Department of Pharmacy Practice, Faculty of Pharmacy, Sinai University, El-Arish, Egypt
| | - Mohamed Anwar Hammad
- Department of Clinical Pharmacy, Faculty of Clinical Pharmacy, Al-Baha University, Al-Baha, Saudi Arabia
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11
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Aoyagi H, Iijima H, Gaber ES, Zaitsu T, Matsuda M, Wakae K, Watashi K, Suzuki R, Masaki T, Kahn J, Saito T, El-Kassas M, Shimada N, Kato K, Enomoto M, Hayashi K, Tsubota A, Mimata A, Sakamaki Y, Ichinose S, Muramatsu M, Wake K, Wakita T, Aizaki H. Hepatocellular organellar abnormalities following elimination of hepatitis C virus. Liver Int 2023; 43:1677-1690. [PMID: 37312620 DOI: 10.1111/liv.15624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 04/14/2023] [Accepted: 05/14/2023] [Indexed: 06/15/2023]
Abstract
BACKGROUND AND AIMS The future development of hepatocellular carcinoma (HCC) in patients after sustained virologic response (SVR) is an important issue. The purposes of this study were to investigate pathological alterations in organelle of the liver of SVR patients and to characterize organelle abnormalities that may be related to carcinogenesis after SVR. METHODS The ultrastructure of liver biopsy specimens from patients with chronic hepatitis C (CHC) and SVR were compared to cell and mouse models and assessed semi-quantitatively using transmission electron microscopy. RESULTS Hepatocytes in patients with CHC showed abnormalities in the nucleus, mitochondria, endoplasmic reticulum, lipid droplet, and pericellular fibrosis, comparable to those seen in hepatitis C virus (HCV)-infected mice and cells. DAA treatment significantly reduced organelle abnormalities such as the nucleus, mitochondria, and lipid droplet in the hepatocytes of patients and mice after SVR, and cured cells, but it did not change dilated/degranulated endoplasmic reticulum and pericellular fibrosis in patients and mice after SVR. Further, samples from patients with a post-SVR period of >1 year had significantly larger numbers of abnormalities in the mitochondria and endoplasmic reticulum than those of <1 year. A possible cause of organelle abnormalities in patients after SVR could be oxidative stress of the endoplasmic reticulum and mitochondria associated with abnormalities of the vascular system due to fibrosis. Interestingly, abnormal endoplasmic reticulum was associated with patients with HCC for >1 year after SVR. CONCLUSIONS These results indicate that patients with SVR exhibit a persistent disease state and require long-term follow-up to detect early signs of carcinogenesis.
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Affiliation(s)
- Haruyo Aoyagi
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hiroko Iijima
- Department of Internal Medicine, Division of Hepatobiliary and Pancreatic Disease, Hyogo College of Medicine, Hyogo, Japan
| | - Eman S Gaber
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takuma Zaitsu
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Mami Matsuda
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kosho Wakae
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Koichi Watashi
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Ryosuke Suzuki
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Takahiro Masaki
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
- Department of Laboratory Medicine, The Jikei University School of Medicine, Tokyo, Japan
| | - Jeffrey Kahn
- Department of Medicine, Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Takeshi Saito
- Department of Medicine, Division of Gastrointestinal and Liver Diseases, Keck School of Medicine, University of Southern California, Los Angeles, California, USA
| | - Mohamed El-Kassas
- Endemic Medicine Department, Faculty of Medicine, Helwan University, Cairo, Egypt
| | - Noritomo Shimada
- Division of Gastroenterology and Hepatology, Ootakanomori Hospital, Chiba, Japan
| | - Keizo Kato
- Division of Gastroenterology and Hepatology, Shinmatsudo Central General Hospital, Chiba, Japan
| | - Masaru Enomoto
- Department of Hepatology, Osaka Metropolitan University, Osaka, Japan
| | - Kazuhiko Hayashi
- Division of Gastroenterology and Hepatology, Meijo Hospital, Nagoya, Japan
| | - Akihito Tsubota
- Core Research Facilities, Research Center for Medical Science, The Jikei University School of Medicine, Tokyo, Japan
| | - Ayako Mimata
- Research Core, Tokyo Medical and Dental University, Tokyo, Japan
| | - Yuriko Sakamaki
- Research Core, Tokyo Medical and Dental University, Tokyo, Japan
| | - Shizuko Ichinose
- Department of Plastic, Reconstructive and Aesthetic Surgery, Nippon Medical School, Tokyo, Japan
| | - Masamichi Muramatsu
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kenjiro Wake
- Liver Research Unit, Minophagen Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Takaji Wakita
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
| | - Hideki Aizaki
- Department of Virology II, National Institute of Infectious Diseases, Tokyo, Japan
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12
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Lara-Aguilar V, Crespo-Bermejo C, Llamas-Adán M, Grande-García S, Cortijo-Alfonso ME, Martín-Carbonero L, Domínguez L, Ryan P, de Los Santos I, Bartolomé-Sanchez S, Valle-Millares D, Jiménez-Sousa MÁ, Briz V, Fernández-Rodríguez A. HCV spontaneous clearers showed low senescence profile in people living with HIV under long ART. J Med Virol 2023; 95:e28955. [PMID: 37465865 DOI: 10.1002/jmv.28955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/30/2023] [Accepted: 06/29/2023] [Indexed: 07/20/2023]
Abstract
Coinfection with hepatitis C virus (HCV) and human immunodeficiency virus (HIV) increases immune activation, inflammation, and oxidative stress that could lead to premature senescence. Different HCV infections, either acute or chronic infection, could lead to distinct premature cellular senescence in people living with HIV (PLWHIV). Observational study in 116 PLWHIV under antiretroviral treatment with different HCV status: (i) n = 45 chronically infected with HCV (CHC); (ii) n = 36 individuals who spontaneously clarify HCV (SC); (iii) n = 35 HIV controls. Oxidative stress biomarkers were analyzed at lipid, DNA, protein, and nitrates levels, as well as antioxidant capacity and glutathione reductase enzyme. Replicative senescence was evaluated by relative telomere length (RTL) measurement. Additionally, 26 markers of Senescence-Associated Secretory Phenotype (SASP) were analyzed by multiplex immunoassays (Luminex xMAP technology). Differences were evaluated by generalized linear model (GLMs) adjusted by most significant covariates. The SC group had a senescence signature similar to the HIV control group and slightly lower SASP levels. However, significant differences were observed with respect to the CHC group, where an increase in the nitrate concentration [adjusted arithmetic mean ratio, aAMR = 1.73 (1.27-2.35), p < 0.001, q = 0.009] and the secretion of 13 SASP-associated factors [granulocyte macrophage colony-stimulating factor (GM-CSF), interferon-β, interleukin (IL)-1β, IL-2, IL-8, IL-13, tumor necrosis factor (TNF)-α, IL-1α, IL-1RA, IL-7, IL-15, C-X-C motif chemokine ligand 10 (IP-10), stem cell factor (SCF); q < 0.1)] was detected. The CHC group also showed higher values of IL-1α, IP-10, and placental growth factor 1 (PIGF-1) than HIV controls. The SC group showed a slightly lower senescence profile than the HIV group, which could indicate a more efficient control of viral-induced senescence due to their immune strengths. Chronic HCV infection in PLWHIV led to an increase in nitrate and elevated SASP biomarkers favoring the establishment of viral persistence.
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Affiliation(s)
- Violeta Lara-Aguilar
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - Celia Crespo-Bermejo
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - Manuel Llamas-Adán
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - Sergio Grande-García
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - María Engracia Cortijo-Alfonso
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | | | - Lourdes Domínguez
- VIH Unit, Internal Medicine Service, Doce de Octubre Hospital Biomedical Research Institute (imas12), Madrid, Spain
- King's College London University, London, UK
| | - Pablo Ryan
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Institute of Health Carlos III, Madrid, Spain
- Department of Infectious Diseases, HIV/Hepatitis Internal Medicine Service, Infanta Leonor University Hospital, Madrid, España
| | - Ignacio de Los Santos
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Institute of Health Carlos III, Madrid, Spain
- Internal Medicine-Infectious Diseases Service, La Princesa University Hospital, Madrid, España
| | - Sofía Bartolomé-Sanchez
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - Daniel Valle-Millares
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - María Ángeles Jiménez-Sousa
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Institute of Health Carlos III, Madrid, Spain
| | - Verónica Briz
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
| | - Amanda Fernández-Rodríguez
- Viral Hepatitis Reference and Research Laboratory, National Center of Microbiology, Institute of Health Carlos III, Madrid, Majadahonda, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas (CIBERINFEC), Institute of Health Carlos III, Madrid, Spain
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13
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Geng Y, Wang Z, Zhou J, Zhu M, Liu J, James TD. Recent progress in the development of fluorescent probes for imaging pathological oxidative stress. Chem Soc Rev 2023. [PMID: 37190785 DOI: 10.1039/d2cs00172a] [Citation(s) in RCA: 37] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Oxidative stress is closely related to the physiopathology of numerous diseases. Reactive oxygen species (ROS), reactive nitrogen species (RNS), and reactive sulfur species (RSS) are direct participants and important biomarkers of oxidative stress. A comprehensive understanding of their changes can help us evaluate disease pathogenesis and progression and facilitate early diagnosis and drug development. In recent years, fluorescent probes have been developed for real-time monitoring of ROS, RNS and RSS levels in vitro and in vivo. In this review, conventional design strategies of fluorescent probes for ROS, RNS, and RSS detection are discussed from three aspects: fluorophores, linkers, and recognition groups. We introduce representative fluorescent probes for ROS, RNS, and RSS detection in cells, physiological/pathological processes (e.g., Inflammation, Drug Induced Organ Injury and Ischemia/Reperfusion Injury etc.), and specific diseases (e.g., neurodegenerative diseases, epilepsy, depression, diabetes and cancer, etc.). We then highlight the achievements, current challenges, and prospects for fluorescent probes in the pathophysiology of oxidative stress-related diseases.
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Affiliation(s)
- Yujie Geng
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Zhuo Wang
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Jiaying Zhou
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Mingguang Zhu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Jiang Liu
- State Key Laboratory of Chemical Resource Engineering, College of Chemistry, Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Tony D James
- Department of Chemistry, University of Bath, Bath BA2 7AY, UK.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China
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14
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Smirnova OA, Ivanova ON, Mukhtarov F, Valuev-Elliston VT, Fedulov AP, Rubtsov PM, Zakirova NF, Kochetkov SN, Bartosch B, Ivanov AV. Hepatitis Delta Virus Antigens Trigger Oxidative Stress, Activate Antioxidant Nrf2/ARE Pathway, and Induce Unfolded Protein Response. Antioxidants (Basel) 2023; 12:antiox12040974. [PMID: 37107349 PMCID: PMC10136299 DOI: 10.3390/antiox12040974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 04/20/2023] [Accepted: 04/20/2023] [Indexed: 04/29/2023] Open
Abstract
Hepatitis delta virus (HDV) is a viroid-like satellite that may co-infect individuals together with hepatitis B virus (HBV), as well as cause superinfection by infecting patients with chronic hepatitis B (CHB). Being a defective virus, HDV requires HBV structural proteins for virion production. Although the virus encodes just two forms of its single antigen, it enhances the progression of liver disease to cirrhosis in CHB patients and increases the incidence of hepatocellular carcinoma. HDV pathogenesis so far has been attributed to virus-induced humoral and cellular immune responses, while other factors have been neglected. Here, we evaluated the impact of the virus on the redox status of hepatocytes, as oxidative stress is believed to contribute to the pathogenesis of various viruses, including HBV and hepatitis C virus (HCV). We show that the overexpression of large HDV antigen (L-HDAg) or autonomous replication of the viral genome in cells leads to increased production of reactive oxygen species (ROS). It also leads to the upregulated expression of NADPH oxidases 1 and 4, cytochrome P450 2E1, and ER oxidoreductin 1α, which have previously been shown to mediate oxidative stress induced by HCV. Both HDV antigens also activated the Nrf2/ARE pathway, which controls the expression of a spectrum of antioxidant enzymes. Finally, HDV and its large antigen also induced endoplasmic reticulum (ER) stress and the concomitant unfolded protein response (UPR). In conclusion, HDV may enhance oxidative and ER stress induced by HBV, thus aggravating HBV-associated pathologies, including inflammation, liver fibrosis, and the development of cirrhosis and hepatocellular carcinoma.
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Affiliation(s)
- Olga A Smirnova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Olga N Ivanova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Furkat Mukhtarov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | | | - Artemy P Fedulov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Petr M Rubtsov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Natalia F Zakirova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Sergey N Kochetkov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
| | - Birke Bartosch
- Centre de Recherche en Cancérologie de Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS 5286, 69434 Lyon, France
| | - Alexander V Ivanov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow 119991, Russia
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15
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Fukuhara K, Nakanishi I, Imai K, Mizuno M, Matsumoto KI, Ohno A. DTPA-Bound Planar Catechin with Potent Antioxidant Activity Triggered by Fe 3+ Coordination. Antioxidants (Basel) 2023; 12:antiox12020225. [PMID: 36829782 PMCID: PMC9952317 DOI: 10.3390/antiox12020225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
In diseases related to oxidative stress, accumulation of metal ions at the site of pathogenesis results in the generation of reactive oxygen species (ROS) through the reductive activation of oxygen molecules catalyzed by the metal ions. If these metals can be removed and the generated ROS can be strongly scavenged, such diseases can be prevented and treated. Planar catechins exhibit stronger radical scavenging activity than natural catechins and can efficiently scavenge hydroxyl radicals generated by the Fenton reaction without showing pro-oxidant effects, even in the presence of iron ions. Hence, in the current study, we designed a compound in which diethylenetriaminepentaacetic acid (DTPA), a metal chelator, was bound to a planar catechin with enhanced radical scavenging activity by immobilizing the steric structure of a natural catechin to be planar. This compound showed almost no radical scavenging activity due to intramolecular hydrogen bonding of DTPA with the planar catechins; however, when coordinated with Fe3+, it showed more potent radical scavenging activity than planar catechins. Owing to its potent antioxidant activity triggered by metal coordination and its inhibition of ROS generation by trapping metal ions, this compound might exert excellent preventive and therapeutic effects against oxidative stress-related diseases.
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Affiliation(s)
- Kiyoshi Fukuhara
- Division of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan
- Correspondence:
| | - Ikuo Nakanishi
- Quantum RedOx Chemistry Team, Institute for Quantum Life Science (iQLS), Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology (QST), Inage-ku, Chiba 263-8555, Japan
| | - Kohei Imai
- Division of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Mirei Mizuno
- Division of Organic and Medicinal Chemistry, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo 142-8555, Japan
| | - Ken-ichiro Matsumoto
- Quantitative RedOx Sensing Group, Department of Radiation Regulatory Science Research, National Institute of Radiological Sciences (NIRS), Quantum Life and Medical Science Directorate, National Institutes for Quantum Science and Technology (QST), Inage-ku, Chiba 263-8555, Japan
| | - Akiko Ohno
- Division of Risk Assessment, Center for Biological Safety & Research, National Institute of Health Sciences, Kawasaki-ku, Kawasaki, Kanagawa, Yokohama 210-9501, Japan
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16
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Han D, Lu X, Yin W, Fu H, Zhang X, Cheng L, Liu F, Jin C, Tian X, Xie Y, Wu N. Activation of NRF2 blocks HIV replication and apoptosis in macrophages. Heliyon 2022; 9:e12575. [PMID: 36691556 PMCID: PMC9860420 DOI: 10.1016/j.heliyon.2022.e12575] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/30/2022] [Accepted: 12/15/2022] [Indexed: 12/25/2022] Open
Abstract
Abnormal oxidative stress caused by human immunodeficiency virus (HIV) infection affects viral replication and causes non-acquired immune deficiency syndrome-related complications in infected individuals. The transcription factor NFE2-related factor 2 (NRF2), a key regulator of oxidative stress, responds to abnormal oxidative stress by regulating the expression of NRF2-dependent cytoprotective genes. The present study aimed to determine whether inhibition of oxidative stress could control HIV replication and improve cell survival. In this study, the NRF2 activator, methyl bardoxolone, was used to treat cells for HIV infection. The effects on HIV replication and apoptosis pathways were confirmed by NRF2 activation or knockdown. The results showed that NRF2 activation could block HIV replication in macrophages before the integration phase and inhibited the expression of apoptotic pathways in virus-exposed macrophages. The study presents an unconventional anti-viral strategy of activation antioxidant response for HIV infection blocking.
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Affiliation(s)
- Dating Han
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Xiangyun Lu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Wanpeng Yin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Haijing Fu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Xiaodi Zhang
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Linfang Cheng
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Fuming Liu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Changzhong Jin
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Xuebin Tian
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Yiwen Xie
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China
| | - Nanping Wu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China,Jinan Microecological Biomedicine Shandong Laboratory, Jinan, Shandong, China,Corresponding author.
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17
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Tang Y, Zhou X, Cao T, Chen E, Li Y, Lei W, Hu Y, He B, Liu S. Endoplasmic Reticulum Stress and Oxidative Stress in Inflammatory Diseases. DNA Cell Biol 2022; 41:924-934. [DOI: 10.1089/dna.2022.0353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Yun Tang
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Xiangping Zhou
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Ting Cao
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - En Chen
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Yumeng Li
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Wenbo Lei
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Yibao Hu
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Bisha He
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
| | - Shuangquan Liu
- Department of Clinical Laboratory Medicine, Institution of Microbiology and Infectious Diseases, The First Affiliated Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan, China
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18
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Brezgin SA, Kostyusheva AP, Ponomareva NI, Gegechkori VI, Kirdyashkina NP, Ayvasyan SR, Dmitrieva LN, Kokoreva LN, Chulanov VP, Kostyushev DS. HBx Protein Potentiates Hepatitis B Virus Reactivation. Mol Biol 2022. [DOI: 10.1134/s0026893322050041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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19
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Chen WC, Huang CH, Liu W, Lee JC. Sulforaphane suppresses dengue virus replication by inhibition of dengue protease and enhancement of antiviral interferon response through Nrf2-mediated heme oxygenase-1 induction. Antiviral Res 2022; 207:105400. [DOI: 10.1016/j.antiviral.2022.105400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/11/2022] [Accepted: 08/17/2022] [Indexed: 11/02/2022]
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20
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Leslie J, Geh D, Elsharkawy AM, Mann DA, Vacca M. Metabolic dysfunction and cancer in HCV: Shared pathways and mutual interactions. J Hepatol 2022; 77:219-236. [PMID: 35157957 DOI: 10.1016/j.jhep.2022.01.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 01/12/2022] [Accepted: 01/31/2022] [Indexed: 12/16/2022]
Abstract
HCV hijacks many host metabolic processes in an effort to aid viral replication. The resulting hepatic metabolic dysfunction underpins many of the hepatic and extrahepatic manifestations of chronic hepatitis C (CHC). However, the natural history of CHC is also substantially influenced by the host metabolic status: obesity, insulin resistance and hepatic steatosis are major determinants of CHC progression toward hepatocellular carcinoma (HCC). Direct-acting antivirals (DAAs) have transformed the treatment and natural history of CHC. While DAA therapy effectively eradicates the virus, the long-lasting overlapping metabolic disease can persist, especially in the presence of obesity, increasing the risk of liver disease progression. This review covers the mechanisms by which HCV tunes hepatic and systemic metabolism, highlighting how systemic metabolic disturbance, lipotoxicity and chronic inflammation favour disease progression and a precancerous niche. We also highlight the therapeutic implications of sustained metabolic dysfunction following sustained virologic response as well as considerations for patients who develop HCC on the background of metabolic dysfunction.
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Affiliation(s)
- Jack Leslie
- Newcastle Fibrosis Research Group, Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Daniel Geh
- Newcastle Fibrosis Research Group, Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Ahmed M Elsharkawy
- Liver Unit, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Queen Elizabeth Medical Centre, Birmingham, B15 2TH UK; National Institute for Health Research, Birmingham Biomedical Research Centre at University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Derek A Mann
- Newcastle Fibrosis Research Group, Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK; Department of Gastroenterology and Hepatology, School of Medicine, Koç University, Istanbul, Turkey.
| | - Michele Vacca
- Interdisciplinary Department of Medicine, Università degli Studi di Bari "Aldo Moro", Bari, Italy.
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21
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Devi P, Punga T, Bergqvist A. Activation of the Ca2+/NFAT Pathway by Assembly of Hepatitis C Virus Core Protein into Nucleocapsid-like Particles. Viruses 2022; 14:v14040761. [PMID: 35458491 PMCID: PMC9031069 DOI: 10.3390/v14040761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 03/31/2022] [Accepted: 04/03/2022] [Indexed: 02/05/2023] Open
Abstract
Hepatitis C virus (HCV) is the primary pathogen responsible for liver cirrhosis and hepatocellular carcinoma. The main virion component, the core (C) protein, has been linked to several aspects of HCV pathology, including oncogenesis, immune evasion and stress responses. We and others have previously shown that C expression in various cell lines activates Ca2+ signaling and alters Ca2+ homeostasis. In this study, we identified two distinct C protein regions that are required for the activation of Ca2+/NFAT signaling. In the basic N-terminal domain, which has been implicated in self-association of C, amino acids 1–68 were critical for NFAT activation. Sedimentation analysis of four mutants in this domain revealed that association of the C protein into nucleocapsid-like particles correlated with NFAT-activated transcription. The internal, lipid droplet-targeting domain was not required for NFAT-activated transcription. Finally, the C-terminal ER-targeting domain was required in extenso for the C protein to function. Our results indicate that targeting of HCV C to the ER is necessary but not sufficient for inducing Ca2+/NFAT signaling. Taken together, our data are consistent with a model whereby proteolytic intermediates of C with an intact transmembrane ER-anchor assemble into pore-like structures in the ER membrane.
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Affiliation(s)
- Priya Devi
- Department of Medical Sciences, Uppsala University, SE 75185 Uppsala, Sweden;
| | - Tanel Punga
- Department of Medical Biochemistry and Microbiology, Uppsala University, SE 75123 Uppsala, Sweden;
| | - Anders Bergqvist
- Department of Medical Sciences, Uppsala University, SE 75185 Uppsala, Sweden;
- Clinical Microbiology and Hospital Infection Control, Uppsala University Hospital, SE 75185 Uppsala, Sweden
- Correspondence: ; Tel.: +46-186113937
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22
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Li LX, Guo FF, Liu H, Zeng T. Iron overload in alcoholic liver disease: underlying mechanisms, detrimental effects, and potential therapeutic targets. Cell Mol Life Sci 2022; 79:201. [PMID: 35325321 PMCID: PMC11071846 DOI: 10.1007/s00018-022-04239-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/04/2022] [Accepted: 03/09/2022] [Indexed: 02/06/2023]
Abstract
Alcoholic liver disease (ALD) is a global public health challenge due to the high incidence and lack of effective therapeutics. Evidence from animal studies and ALD patients has demonstrated that iron overload is a hallmark of ALD. Ethanol exposure can promote iron absorption by downregulating the hepcidin expression, which is probably mediated by inducing oxidative stress and promoting erythropoietin (EPO) production. In addition, ethanol may enhance iron uptake in hepatocytes by upregulating the expression of transferrin receptor (TfR). Iron overload in the liver can aggravate ethanol-elicited liver damage by potentiating oxidative stress via Fenton reaction, promoting activation of Kupffer cells (KCs) and hepatic stellate cells (HSCs), and inducing a recently discovered programmed iron-dependent cell death, ferroptosis. This article reviews the current knowledge of iron metabolism, regulators of iron homeostasis, the mechanism of ethanol-induced iron overload, detrimental effects of iron overload in the liver, and potential therapeutic targets.
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Affiliation(s)
- Long-Xia Li
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Fang-Fang Guo
- Department of Pharmacy, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Hong Liu
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Tao Zeng
- Institute of Toxicology, School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China.
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23
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McKay LGA, Thomas J, Albalawi W, Fattaccioli A, Dieu M, Ruggiero A, McKeating JA, Ball JK, Tarr AW, Renard P, Pollakis G, Paxton WA. The HCV Envelope Glycoprotein Down-Modulates NF-κB Signalling and Associates With Stimulation of the Host Endoplasmic Reticulum Stress Pathway. Front Immunol 2022; 13:831695. [PMID: 35371105 PMCID: PMC8964954 DOI: 10.3389/fimmu.2022.831695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/21/2022] [Indexed: 11/13/2022] Open
Abstract
Following acute HCV infection, the virus establishes a chronic disease in the majority of patients whilst few individuals clear the infection spontaneously. The precise mechanisms that determine chronic HCV infection or spontaneous clearance are not completely understood but are proposed to be driven by host and viral genetic factors as well as HCV encoded immunomodulatory proteins. Using the HIV-1 LTR as a tool to measure NF-κB activity, we identified that the HCV E1E2 glycoproteins and more so the E2 protein down-modulates HIV-1 LTR activation in 293T, TZM-bl and the more physiologically relevant Huh7 liver derived cell line. We demonstrate this effect is specifically mediated through inhibiting NF-κB binding to the LTR and show that this effect was conserved for all HCV genotypes tested. Transcriptomic analysis of 293T cells expressing the HCV glycoproteins identified E1E2 mediated stimulation of the endoplasmic reticulum (ER) stress response pathway and upregulation of stress response genes such as ATF3. Through shRNA mediated inhibition of ATF3, one of the components, we observed that E1E2 mediated inhibitory effects on HIV-1 LTR activity was alleviated. Our in vitro studies demonstrate that HCV Env glycoprotein activates host ER Stress Pathways known to inhibit NF-κB activity. This has potential implications for understanding HCV induced immune activation as well as oncogenesis.
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Affiliation(s)
- Lindsay G. A. McKay
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Jordan Thomas
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Wejdan Albalawi
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Antoine Fattaccioli
- Laboratory of Biochemistry and Cell Biology (URBC), Namur Research Institute for Life Sciences (NARILIS), University of Namur (UNamur), Namur, Belgium
| | - Marc Dieu
- MaSUN, Mass Spectrometry Facility, University of Namur (UNamur), Namur, Belgium
| | - Alessandra Ruggiero
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - Jane A. McKeating
- Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Jonathan K. Ball
- Wolfson Centre for Global Virus Research and School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Alexander W. Tarr
- Wolfson Centre for Global Virus Research and School of Life Sciences, University of Nottingham, Nottingham, United Kingdom
| | - Patricia Renard
- Laboratory of Biochemistry and Cell Biology (URBC), Namur Research Institute for Life Sciences (NARILIS), University of Namur (UNamur), Namur, Belgium,MaSUN, Mass Spectrometry Facility, University of Namur (UNamur), Namur, Belgium
| | - Georgios Pollakis
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom
| | - William A. Paxton
- Department of Clinical Infection, Microbiology and Immunology, Institute of Veterinary and Ecological Sciences, University of Liverpool, Liverpool, United Kingdom,*Correspondence: William A. Paxton,
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Effect of Silymarin as an Adjunct Therapy in Combination with Sofosbuvir and Ribavirin in Hepatitis C Patients: A Miniature Clinical Trial. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9199190. [PMID: 35154575 PMCID: PMC8828344 DOI: 10.1155/2022/9199190] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/29/2021] [Indexed: 02/06/2023]
Abstract
Silymarin is proclaimed to be a blend of flavonolignans or phytochemicals. An era of new generation of direct-acting antivirals (DAAs) has commenced to have facet effect in swaying of the hepatitis C virus (HCV). Nonetheless, this therapy has serious side effects that jeopardize its efficacy. This study is aimed at probing the effects of ribavirin (RBV) and sofosbuvir (SOF) along with silymarin as an adjunct therapy on hematological parameters and markers of obscured oxidative stress. The effect of DAAs along with silymarin was also examined on variable sex hormone level and liver function markers such as alanine aminotransferase (ALT), aspartate transaminase (AST), alkaline phosphatase (ALP), and bilirubin. The study was followed to determine viral load and viral genotypes. A total of 30 patients were randomly divided into two equal groups comprising the control group (n = 15) and treatment group (n = 15). The control group was solely administered with DAAs (SOF and RBV; 400 mg/800 mg each/day). Conversely, the treatment group was dispensed with DAAs, but with adjunct therapy of silymarin (400 mg/day) along with DAAs (400/800 mg/day) over period of 8 weeks. Sampling of blood was performed at pre- and posttreatment levels for the evaluation of different propound parameters. Our data showed that silymarin adjunct therapy enhances the efficiency of DAAs. A decrease in menace level of liver markers such as ALT, ALP, AST, and bilirubin was observed (p > 0.05). The adjunct therapy concurrently also demonstrated an ameliorative effect on hematological indices and oxidative markers, for instance, SOD, TAS, GSH, GSSG, and MDA (p < 0.05), diminishing latent viral load. The silymarin administration was also found to revamp the fluster level of sex hormones. Our outcomes provide evidence that systematic administration of silymarin effectively remits deviant levels of hematological, serological, hormonal, and antioxidant markers. This demonstrates a possibly unique role of silymarin in mitigating hepatitis C.
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Ma Y, Lee G, Heo SY, Roh YS. Oxidative Stress Is a Key Modulator in the Development of Nonalcoholic Fatty Liver Disease. Antioxidants (Basel) 2021; 11:antiox11010091. [PMID: 35052595 PMCID: PMC8772974 DOI: 10.3390/antiox11010091] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/27/2021] [Accepted: 12/28/2021] [Indexed: 12/14/2022] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease worldwide, and scientific studies consistently report that NAFLD development can be accelerated by oxidative stress. Oxidative stress can induce the progression of NAFLD to NASH by stimulating Kupffer cells, hepatic stellate cells, and hepatocytes. Therefore, studies are underway to identify the role of antioxidants in the treatment of NAFLD. In this review, we have summarized the origins of reactive oxygen species (ROS) in cells, the relationship between ROS and NAFLD, and have discussed the use of antioxidants as therapeutic agents for NAFLD.
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Affiliation(s)
- Yuanqiang Ma
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju 28160, Korea; (Y.M.); (G.L.)
| | - Gyurim Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju 28160, Korea; (Y.M.); (G.L.)
| | - Su-Young Heo
- College of Veterinary Medicine, Jeonbuk National University, Jeonju 54896, Korea
- Correspondence: (S.-Y.H.); (Y.-S.R.)
| | - Yoon-Seok Roh
- College of Pharmacy and Medical Research Center, Chungbuk National University, Cheongju 28160, Korea; (Y.M.); (G.L.)
- Correspondence: (S.-Y.H.); (Y.-S.R.)
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26
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Elpek GO. Molecular pathways in viral hepatitis-associated liver carcinogenesis: An update. World J Clin Cases 2021; 9:4890-4917. [PMID: 34307543 PMCID: PMC8283590 DOI: 10.12998/wjcc.v9.i19.4890] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/14/2021] [Accepted: 05/26/2021] [Indexed: 02/06/2023] Open
Abstract
Hepatocellular carcinoma (HCC) is the most common type of cancer among primary malignant tumors of the liver and is a consequential cause of cancer-related deaths worldwide. In recent years, uncovering the molecular mechanisms involved in the development and behavior of this tumor has led to the identification of multiple potential treatment targets. Despite the vast amount of data on this topic, HCC remains a challenging tumor to treat due to its aggressive behavior and complex molecular profile. Therefore, the number of studies aiming to elucidate the mechanisms involved in both carcinogenesis and tumor progression in HCC continues to increase. In this context, the close association of HCC with viral hepatitis has led to numerous studies focusing on the direct or indirect involvement of viruses in the mechanisms contributing to tumor development and behavior. In line with these efforts, this review was undertaken to highlight the current understanding of the molecular mechanisms by which hepatitis B virus (HBV) and hepatitis C virus (HCV) participate in oncogenesis and tumor progression in HCC and summarize new findings. Cumulative evidence indicates that HBV DNA integration promotes genomic instability, resulting in the overexpression of genes related to cancer development, metastasis, and angiogenesis or inactivation of tumor suppressor genes. In addition, genetic variations in HBV itself, especially preS2 deletions, may play a role in malignant transformation. Epigenetic dysregulation caused by both viruses might also contribute to tumor formation and metastasis by modifying the methylation of DNA and histones or altering the expression of microRNAs. Similarly, viral proteins of both HBV and HCV can affect pathways that are important anticancer targets. The effects of these two viruses on the Hippo-Yap-Taz pathway in HCC development and behavior need to be investigated. Additional, comprehensive studies are also needed to determine these viruses' interaction with integrins, farnesoid X, and the apelin system in malignant transformation and tumor progression. Although the relationship of persistent inflammation caused by HBV and HCV hepatitis with carcinogenesis is well defined, further studies are warranted to decipher the relationship among inflammasomes and viruses in carcinogenesis and elucidate the role of virus-microbiota interactions in HCC development and progression.
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Affiliation(s)
- Gulsum Ozlem Elpek
- Department of Pathology, Akdeniz University Medical School, Antalya 07070, Turkey
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27
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Peroxiredoxins-The Underrated Actors during Virus-Induced Oxidative Stress. Antioxidants (Basel) 2021; 10:antiox10060977. [PMID: 34207367 PMCID: PMC8234473 DOI: 10.3390/antiox10060977] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/09/2021] [Accepted: 06/15/2021] [Indexed: 12/19/2022] Open
Abstract
Enhanced production of reactive oxygen species (ROS) triggered by various stimuli, including viral infections, has attributed much attention in the past years. It has been shown that different viruses that cause acute or chronic diseases induce oxidative stress in infected cells and dysregulate antioxidant its antioxidant capacity. However, most studies focused on catalase and superoxide dismutases, whereas a family of peroxiredoxins (Prdx), the most effective peroxide scavengers, were given little or no attention. In the current review, we demonstrate that peroxiredoxins scavenge hydrogen and organic peroxides at their physiological concentrations at various cell compartments, unlike many other antioxidant enzymes, and discuss their recycling. We also provide data on the regulation of their expression by various transcription factors, as they can be compared with the imprint of viruses on transcriptional machinery. Next, we discuss the involvement of peroxiredoxins in transferring signals from ROS on specific proteins by promoting the oxidation of target cysteine groups, as well as briefly demonstrate evidence of nonenzymatic, chaperone, functions of Prdx. Finally, we give an account of the current state of research of peroxiredoxins for various viruses. These data clearly show that Prdx have not been given proper attention despite all the achievements in general redox biology.
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28
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Effect of Reactive Oxygen Species on the Endoplasmic Reticulum and Mitochondria during Intracellular Pathogen Infection of Mammalian Cells. Antioxidants (Basel) 2021; 10:antiox10060872. [PMID: 34071633 PMCID: PMC8229183 DOI: 10.3390/antiox10060872] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/24/2021] [Accepted: 05/24/2021] [Indexed: 02/06/2023] Open
Abstract
Oxidative stress, particularly reactive oxygen species (ROS), are important for innate immunity against pathogens. ROS directly attack pathogens, regulate and amplify immune signals, induce autophagy and activate inflammation. In addition, production of ROS by pathogens affects the endoplasmic reticulum (ER) and mitochondria, leading to cell death. However, it is unclear how ROS regulate host defense mechanisms. This review outlines the role of ROS during intracellular pathogen infection, mechanisms of ROS production and regulation of host defense mechanisms by ROS. Finally, the interaction between microbial pathogen-induced ROS and the ER and mitochondria is described.
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29
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Dzobo K. The Role of Viruses in Carcinogenesis and Molecular Targeting: From Infection to Being a Component of the Tumor Microenvironment. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2021; 25:358-371. [PMID: 34037476 DOI: 10.1089/omi.2021.0052] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
About a tenth of all cancers are caused by viruses or associated with viral infection. Recent global events including the coronavirus disease-2019 (COVID-19) pandemic means that human encounter with viruses is increased. Cancer development in individuals with viral infection can take many years after infection, demonstrating that the involvement of viruses in cancer development is a long and complex process. This complexity emanates from individual genetic heterogeneity and the many steps involved in cancer development owing to viruses. The process of tumorigenesis is driven by the complex interaction between several viral factors and host factors leading to the creation of a tumor microenvironment (TME) that is ideal and promotes tumor formation. Viruses associated with human cancers ensure their survival and proliferation through activation of several cellular processes including inflammation, migration, and invasion, resistance to apoptosis and growth suppressors. In addition, most human oncoviruses evade immune detection and can activate signaling cascades including the PI3K-Akt-mTOR, Notch and Wnt pathways associated with enhanced proliferation and angiogenesis. This expert review examines and synthesizes the multiple biological factors related to oncoviruses, and the signaling cascades activated by these viruses contributing to viral oncogenesis. In particular, I examine and review the Epstein-Barr virus, human papillomaviruses, and Kaposi's sarcoma herpes virus in a context of cancer pathogenesis. I conclude with a future outlook on therapeutic targeting of the viruses and their associated oncogenic pathways within the TME. These anticancer strategies can be in the form of, but not limited to, antibodies and inhibitors.
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Affiliation(s)
- Kevin Dzobo
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, South Africa.,Division of Medical Biochemistry and Institute of Infectious Disease and Molecular Medicine, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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30
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Reungoat E, Grigorov B, Zoulim F, Pécheur EI. Molecular Crosstalk between the Hepatitis C Virus and the Extracellular Matrix in Liver Fibrogenesis and Early Carcinogenesis. Cancers (Basel) 2021; 13:cancers13092270. [PMID: 34065048 PMCID: PMC8125929 DOI: 10.3390/cancers13092270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/01/2021] [Accepted: 05/03/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary In the era of direct-acting antivirals against the hepatitis C virus (HCV), curing chronic hepatitis C has become a reality. However, while replicating chronically, HCV creates a peculiar state of inflammation and oxidative stress in the infected liver, which fuels DNA damage at the onset of HCV-induced hepatocellular carcinoma (HCC). This cancer, the second leading cause of death by cancer, remains of bad prognosis when diagnosed. This review aims to decipher how HCV durably alters elements of the extracellular matrix that compose the liver microenvironment, directly through its viral proteins or indirectly through the induction of cytokine secretion, thereby leading to liver fibrosis, cirrhosis, and, ultimately, HCC. Abstract Chronic infection by the hepatitis C virus (HCV) is a major cause of liver diseases, predisposing to fibrosis and hepatocellular carcinoma. Liver fibrosis is characterized by an overly abundant accumulation of components of the hepatic extracellular matrix, such as collagen and elastin, with consequences on the properties of this microenvironment and cancer initiation and growth. This review will provide an update on mechanistic concepts of HCV-related liver fibrosis/cirrhosis and early stages of carcinogenesis, with a dissection of the molecular details of the crosstalk during disease progression between hepatocytes, the extracellular matrix, and hepatic stellate cells.
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31
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The Impact of Hepatitis C Virus Genotypes on Oxidative Stress Markers and Catalase Activity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6676057. [PMID: 33708335 PMCID: PMC7932765 DOI: 10.1155/2021/6676057] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/27/2021] [Indexed: 02/07/2023]
Abstract
Hepatitis C virus (HCV) is a major cause of liver disease worldwide. Chronic HCV infections are usually associated with increased oxidative stress in the liver tissue. The intensity of oxidative stress may be a detrimental factor in liver injury and may determine the severity of the disease. The aim of the present case-control study was to determine the level of lipid peroxidation (TBARS), protein oxidative modification (AOPP), and catalase activity in sera of patients infected with HCV, in relation to different HCV genotypes and viral load. Considering the HCV patients with chronic hepatitis C (52) and control subject (50) recruitment, the study was designed as a case-control-type. The HCV RNA isolation, viral load, and HCV genotyping were performed according to the standard protocols. A significant difference compared to control healthy subjects was reported for TBAR (p < 0.001), AOPP (p = 0.001), and catalase activity (p = 0.007). In a gender-based comparison, a significantly higher level of AOPP for females was reported (p < 0.001). As stratified by HCV genotype, the most common was HCV-1 (HCV-1a and HCV 1b), with the overall participation of more than 60%, followed by genotype 3, while the least represented was genotype 2. No significant difference was documented among genotypes in regard to oxidative stress markers, although somewhat higher TBARS level, but not significant, was registered in patients infected with genotype 1b. A statistically significant positive correlation was found between the concentration of HCV genome copies and AOPP (r = 0.344; p = 0.012). A high level of HCV viral load was more likely to have a higher TBARS, but still without statistical significance (p = 0.072). In conclusion, the results obtained confirmed an imbalance between the ROS production and antioxidative defense system in HCV-infected patients. Since oxidative stress may have a profound influence on disease progression, fibrosis, and carcinogenesis, our results may meet the aspirations of mandatory introduction of antioxidants as early HCV therapy to counteract ROS consequences.
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Fiorino S, Zippi M, Gallo C, Sifo D, Sabbatani S, Manfredi R, Rasciti E, Rasciti L, Giampieri E, Corazza I, Leandri P, de Biase D. The rationale for a multi-step therapeutic approach based on antivirals, drugs and nutrients with immunomodulatory activity in patients with coronavirus-SARS2-induced disease of different severities. Br J Nutr 2021; 125:275-293. [PMID: 32703328 PMCID: PMC7431858 DOI: 10.1017/s0007114520002913] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 06/28/2020] [Accepted: 07/02/2020] [Indexed: 02/07/2023]
Abstract
In December 2019, a novel human-infecting coronavirus, named Severe Acute Respiratory Syndrome Corona Virus 2 (SARS-CoV-2), was recognised to cause a pneumonia epidemic outbreak with different degrees of severity in Wuhan, Hubei Province in China. Since then, this epidemic has spread worldwide; in Europe, Italy has been involved. Effective preventive and therapeutic strategies are absolutely required to block this serious public health concern. Unfortunately, few studies about SARS-CoV-2 concerning its immunopathogenesis and treatment are available. On the basis of the assumption that the SARS-CoV-2 is genetically related to SARS-CoV (about 82 % of genome homology) and that its characteristics, like the modality of transmission or the type of the immune response it may stimulate, are still poorly known, a literature search was performed to identify the reports assessing these elements in patients with SARS-CoV-induced infection. Therefore, we have analysed: (1) the structure of SARS-CoV-2 and SARS-CoV; (2) the clinical signs and symptoms and pathogenic mechanisms observed during the development of acute respiratory syndrome and the cytokine release syndrome; (3) the modification of the cell microRNome and of the immune response in patients with SARS infection; and (4) the possible role of some fat-soluble compounds (such as vitamins A, D and E) in modulating directly or indirectly the replication ability of SARS-CoV-2 and host immune response.
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Affiliation(s)
- Sirio Fiorino
- Medicine Department, Internal Medicine Unit, Budrio Hospital Azienda USL, Budrio, 40054 Bologna, Italy
- Medicine Department, Internal Medicine Unit C, Maggiore Hospital Azienda USL, 40100 Bologna, Italy
| | - Maddalena Zippi
- Gastroenterology and Hepatology Department, Unit of Gastroenterology and Digestive Endoscopy, Sandro Pertini Hospital, 00100 Rome, Italy
| | - Claudio Gallo
- Medicine Department, Internal Medicine Unit, Budrio Hospital Azienda USL, Budrio, 40054 Bologna, Italy
| | - Debora Sifo
- Medicine Department, Internal Medicine Unit, Budrio Hospital Azienda USL, Budrio, 40054 Bologna, Italy
| | - Sergio Sabbatani
- Gastroenterology and Hepatology Department, Infective Disease Unit, Policlinico S. Orsola-Malpighi, University of Bologna, 40100 Bologna, Italy
| | - Roberto Manfredi
- Gastroenterology and Hepatology Department, Infective Disease Unit, Policlinico S. Orsola-Malpighi, University of Bologna, 40100 Bologna, Italy
| | - Edoardo Rasciti
- Unit of Radiodiagnostics, Ospedale degli Infermi, 48018 Faenza, AUSL Romagna, Italy
| | - Leonardo Rasciti
- Medicine Department, Internal Medicine Unit, Budrio Hospital Azienda USL, Budrio, 40054 Bologna, Italy
| | - Enrico Giampieri
- Experimental, Diagnostic and Specialty Medicine Department, University of Bologna, 40100 Bologna, Italy
| | - Ivan Corazza
- Experimental, Diagnostic and Specialty Medicine Department, University of Bologna, 40100 Bologna, Italy
| | - Paolo Leandri
- Medicine Department, Internal Medicine Unit C, Maggiore Hospital Azienda USL, 40100 Bologna, Italy
| | - Dario de Biase
- Department of Pharmacy and Biotechnology, University of Bologna, 40100 Bologna, Italy
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Dimitriadis A, Foka P, Kyratzopoulou E, Karamichali E, Petroulia S, Tsitoura P, Kakkanas A, Eliadis P, Georgopoulou U, Mamalaki A. The Hepatitis C virus NS5A and core proteins exert antagonistic effects on HAMP gene expression: the hidden interplay with the MTF-1/MRE pathway. FEBS Open Bio 2021; 11:237-250. [PMID: 33247551 PMCID: PMC7780115 DOI: 10.1002/2211-5463.13048] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/12/2020] [Accepted: 11/15/2020] [Indexed: 12/26/2022] Open
Abstract
Hepcidin, a 25-amino acid peptide encoded by the HAMP gene and produced mainly by hepatocytes and macrophages, is a mediator of innate immunity and the central iron-regulatory hormone. Circulating hepcidin controls iron efflux by inducing degradation of the cellular iron exporter ferroportin. HCV infection is associated with hepatic iron overload and elevated serum iron, which correlate with poor antiviral responses. The HCV nonstructural NS5A protein is known to function in multiple aspects of the HCV life cycle, probably exerting its activity in concert with cellular factor(s). In this study, we attempted to delineate the effect of HCV NS5A on HAMP gene expression. We observed that transient transfection of hepatoma cell lines with HCV NS5A resulted in down-regulation of HAMP promoter activity. A similar effect was evident after transduction of Huh7 cells with a recombinant baculovirus vector expressing NS5A protein. We proceeded to construct an NS5A-expressing stable cell line, which also exhibited down-regulation of HAMP gene promoter activity and significant reduction of HAMP mRNA and hepcidin protein levels. Concurrent expression of HCV core protein, a well-characterized hepcidin inducer, revealed antagonism between those two proteins for hepcidin regulation. In attempting to identify the pathways involved in NS5A-driven reduction of hepcidin levels, we ruled out any NS5A-induced alterations in the expression of the well-known hepcidin inducers SMAD4 and STAT3. Further analysis linked the abundance of intracellular zinc ions and the deregulation of the MTF-1/MRE/hepcidin axis with the observed phenomenon. This effect could be associated with distinct phases in HCV life cycle.
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Affiliation(s)
- Alexios Dimitriadis
- Laboratory of Molecular Biology and ImmunobiotechnologyHellenic Pasteur InstituteAthensGreece
| | - Pelagia Foka
- Laboratory of Molecular VirologyHellenic Pasteur InstituteAthensGreece
| | - Eleni Kyratzopoulou
- Laboratory of Molecular Biology and ImmunobiotechnologyHellenic Pasteur InstituteAthensGreece
| | | | | | - Panagiota Tsitoura
- Laboratory of Molecular VirologyHellenic Pasteur InstituteAthensGreece
- Present address:
Laboratory of Molecular Biology and ImmunobiotechnologyHellenic Pasteur InstituteAthensGreece
| | | | - Petros Eliadis
- Laboratory of Molecular Biology and ImmunobiotechnologyHellenic Pasteur InstituteAthensGreece
| | | | - Avgi Mamalaki
- Laboratory of Molecular Biology and ImmunobiotechnologyHellenic Pasteur InstituteAthensGreece
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Almaeen AH, Alduraywish AA, Mobasher MA, Almadhi OIM, Nafeh HM, El-Metwally TH. Oxidative stress, immunological and cellular hypoxia biomarkers in hepatitis C treatment-naïve and cirrhotic patients. Arch Med Sci 2021; 17:368-375. [PMID: 33747272 PMCID: PMC7959056 DOI: 10.5114/aoms.2019.91451] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 11/13/2019] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION Hepatitis C virus (HCV) is the main cause of chronic liver disease, with calamitous complications. Its highest rate is recorded in Egypt. This study investigated whether oxidative stress, immunological chaos and cellular hypoxia are implicated in the pathophysiology of the disease. MATERIAL AND METHODS This cross-sectional study aimed to evaluate the changes in blood oxidative stress, cellular hypoxia/angiogenesis and cellular immunological biomarkers in hospital-diagnosed treatment-naïve HCV-infected Upper Egyptian chronic liver disease patients vs. healthy controls (n = 40). The consecutively included patients comprised 120 with normal serum enzymes (HCV-NE) and 130 with high serum enzymes (HCV-HE), along with 120 cirrhotic patients. RESULTS Oxidative stress biomarkers - malondialdehyde (MDA), total peroxides and oxidative stress index (OSI) - were significantly lower in controls vs. each of the patient groups. Cirrhotic patients presented the highest levels. However, total antioxidants (TAO) showed non-significant differences among the four groups. The cellular hypoxia/angiogenesis biomarkers - lactate, vascular endothelial cell growth factor (VEGF) and its soluble receptor 1 (sVEGFR1) - vs. controls were massively increased in patient groups. VEGF was lowest while sVEGFR1 was highest among cirrhotic patients. Immunological biomarkers, - granulocyte/monocyte-colony stimulating factor (GM-CSF) and total immunoglobulin G (IgG) - were massively increased in patient groups vs. controls. GM-CSF was lowest in HCV-HE and IgG was highest in cirrhotic patients. sVEGFR1 correlated with the progression towards cirrhosis. CONCLUSIONS Oxidative stress is implicated in the progress of HCV infection with marked induction of cellular hypoxia and dysfunctional angiogenesis, and a futile immunological reaction. sVEGFR1 level correlated with progression towards HCV-induced liver fibrosis.
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Affiliation(s)
| | | | - Maysa Ahmed Mobasher
- Department of Pathology, Jouf University College of Medicine, Sakaka, Saudi Arabia
| | - Omar I. M. Almadhi
- College of Medicine, Jouf University College of Medicine, Sakaka, Saudi Arabia
| | - Hanan M. Nafeh
- Department of Tropical Medicine and Gastroenterology, Assiut University, Faculty of Medicine, Assiut, Egypt
| | - Tarek Hassan El-Metwally
- Department of Pathology, Jouf University College of Medicine, Sakaka, Saudi Arabia
- Department of Medical Biochemistry, Assiut University, Faculty of Medicine, Assiut, Egypt
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Nevola R, Acierno C, Pafundi PC, Adinolfi LE. Chronic hepatitis C infection induces cardiovascular disease and type 2 diabetes: mechanisms and management. Minerva Med 2020; 112:188-200. [PMID: 33205641 DOI: 10.23736/s0026-4806.20.07129-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Despite the availability of effective treatments, hepatitis C virus (HCV) still remains a threat to public health. HCV is capable to trigger, behind liver damage, extrahepatic manifestations, including cardiovascular disease and type 2 diabetes (T2DM). A close association has been reported between HCV infection and cardiovascular disease due to imbalances in metabolic pathways and chronic inflammation. HCV through both direct and indirect mechanisms causes a higher incidence of ischemic stroke, acute coronary syndrome, heart failure and peripheral arterial disease. In addition, a higher risk of death from cardiovascular events has been showed in HCV patients. Insulin resistance is a hallmark of HCV infection and represents the link between HCV and T2DM, which is one of the most frequent HCV-associated extrahepatic manifestations. The pathological basis of the increased risk of T2DM in HCV infection is provided by the alterations of the molecular mechanisms of IR induced both by the direct effects of the HCV proteins, and by the indirect effects mediated by chronic inflammation, oxidative stress and hepatic steatosis. T2DM increases the risk of compensated and decompensate cirrhosis and hepatocellular carcinoma as well as increases the risk of cardiovascular disease, lower limb amputation and end stage renal disease. Current evidence suggests that HCV eradication reduces the incidence and mortality of cardiovascular disease and T2DM, further underling the importance of public health strategies for eradication the infection. The aim of this review was to update evidence and management of interaction between HCV, cardiovascular disease, and T2DM in the era of DAA treatment.
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Affiliation(s)
- Riccardo Nevola
- Unit of Internal Medicine, Department of Advanced Medical and Surgery Sciences, Luigi Vanvitelli University of Campania, Naples, Italy
| | - Carlo Acierno
- Unit of Internal Medicine, Department of Advanced Medical and Surgery Sciences, Luigi Vanvitelli University of Campania, Naples, Italy
| | - Pia C Pafundi
- Unit of Internal Medicine, Department of Advanced Medical and Surgery Sciences, Luigi Vanvitelli University of Campania, Naples, Italy
| | - Luigi E Adinolfi
- Unit of Internal Medicine, Department of Advanced Medical and Surgery Sciences, Luigi Vanvitelli University of Campania, Naples, Italy -
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Salomone F, Petta S, Micek A, Pipitone RM, Distefano A, Castruccio Castracani C, Rini F, Di Rosa M, Gardi C, Calvaruso V, Di Marco V, Li Volti G, Grimaudo S, Craxì A. Hepatitis C virus eradication by direct antiviral agents abates oxidative stress in patients with advanced liver fibrosis. Liver Int 2020; 40:2820-2827. [PMID: 32666695 DOI: 10.1111/liv.14608] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 06/20/2020] [Accepted: 07/09/2020] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND AIMS HCV eradication improves non-hepatic outcomes such as cardiovascular diseases, although without clearly defined mechanisms. In this study we aimed to assess whether improvement of carotid atherosclerosis may be linked to a reduction in systemic oxidative stress after viral clearance. METHODS We studied a retrospective cohort of 105 patients (age 62.4 ± 11.2 years; 62 men) with F3/F4 fibrosis, characterized by carotid ultrasonography at baseline and at sustained virologic response (SVR) follow-up. Levels of 8-iso-prostaglandin F2α (F2 -isoprostanes) and other oxidative stress markers were measured on frozen sera. Association between change (denoted as Δ) in oxidative stress markers (exposures) and change in carotid intima-media thickness (cIMT) (outcome) was examined using multiple linear regression. RESULTS Subclinical atherosclerosis, defined as the presence of carotid plaque and/or cIMT ≥ 0.9, was present in 72% of the cohort. All patients achieved SVR that led to reduction in cIMT (0.92 ± 0.20 vs 0.83 ± 0.21 mm, P < .001). HCV eradication markedly decreased serum levels of F2 -isoprostanes (620.5 [143.2; 1904.1] vs 119.51 [63.2; 400.6] pg/mL, P < .0001), lipid hydroperoxides (13.8 [6.3; 20.7] vs 4.9 [2.3; 9.6] nmol/μl, P < .0001) and 8-hydroxy-2'-deoxyguanosine (558.9 [321.0; 6301.2] vs 294.51 [215.31; 408.95] pg/mL, P < .0001), whereas increased serum GPx activity (10.44 [4.6; 16.3] vs 13.75 [9.42; 20.63] nmol/min/mL, P = .001). By multiple linear regression analysis ΔcIMT was independently associated with ΔF2 -isoprostanes (β: 1.746 [0.948; 2.543]; P < .0001) after adjustment for age, baseline F2 -isoprostanes and baseline IMT. CONCLUSIONS Besides association of lipid peroxidation with severity of liver disease, the reduction in F2 -isoprostanes may be involved in the improvement of atherosclerosis after HCV eradication.
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Affiliation(s)
- Federico Salomone
- Division of Gastroenterology, Ospedale di Acireale, Azienda Sanitaria Provinciale di Catania, Catania, Italy
| | - Salvatore Petta
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Agnieszka Micek
- Department of Nursing Management and Epidemiology Nursing, Jagiellonian University Medical College, Krakow, Poland
| | - Rosaria Maria Pipitone
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Alfio Distefano
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | | | - Francesca Rini
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Michelino Di Rosa
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Concetta Gardi
- Department of Molecular and Developmental Medicine, University of Siena, Siena, Italy
| | - Vincenza Calvaruso
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Vito Di Marco
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Giovanni Li Volti
- Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Stefania Grimaudo
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Antonio Craxì
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
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Galicia-Moreno M, Lucano-Landeros S, Monroy-Ramirez HC, Silva-Gomez J, Gutierrez-Cuevas J, Santos A, Armendariz-Borunda J. Roles of Nrf2 in Liver Diseases: Molecular, Pharmacological, and Epigenetic Aspects. Antioxidants (Basel) 2020; 9:antiox9100980. [PMID: PMID: 33066023 PMCID: PMC7601324 DOI: 10.3390/antiox9100980] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/10/2020] [Accepted: 10/11/2020] [Indexed: 02/06/2023] Open
Abstract
Liver diseases represent a critical health problem with 2 million deaths worldwide per year, mainly due to cirrhosis and its complications. Oxidative stress plays an important role in the development of liver diseases. In order to maintain an adequate homeostasis, there must be a balance between free radicals and antioxidant mediators. Nuclear factor erythroid 2-related factor (Nrf2) and its negative regulator Kelch-like ECH-associated protein 1 (Keap1) comprise a defense mechanism against oxidative stress damage, and growing evidence considers this signaling pathway as a key pharmacological target for the treatment of liver diseases. In this review, we provide detailed and updated evidence regarding Nrf2 and its involvement in the development of the main liver diseases such as alcoholic liver damage, viral hepatitis, steatosis, steatohepatitis, cholestatic damage, and liver cancer. The molecular and cellular mechanisms of Nrf2 cellular signaling are elaborated, along with key and relevant antioxidant drugs, and mechanisms on how Keap1/Nrf2 modulation can positively affect the therapeutic response are described. Finally, exciting recent findings about epigenetic modifications and their link with regulation of Keap1/Nrf2 signaling are outlined.
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Affiliation(s)
- Marina Galicia-Moreno
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
| | - Silvia Lucano-Landeros
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
| | - Hugo Christian Monroy-Ramirez
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
| | - Jorge Silva-Gomez
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
| | - Jorge Gutierrez-Cuevas
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
| | - Arturo Santos
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Zapopan 45201, Jalisco, Mexico;
| | - Juan Armendariz-Borunda
- Instituto de Biologia Molecular en Medicina, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara 44340, Jalisco, Mexico; (M.G.-M.); (S.L.-L.); (H.C.M.-R.); (J.S.-G.); (J.G.-C.)
- Tecnologico de Monterrey, Escuela de Medicina y Ciencias de la Salud, Zapopan 45201, Jalisco, Mexico;
- Correspondence: ; Tel.: +52-333-677-8741
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Cázares-Cortazar A, Uribe-Noguez LA, Mata-Marín JA, Gaytán-Martínez J, de la Luz Martínez-Rodríguez M, Villavicencio-Ferrel PE, Chapararro-Sánchez A, Mauss S, Ocaña-Mondragón A. A decrease in hepatitis C virus RNA to undetectable levels in chronic hepatitis C patients after PegIFNα + RVB or sofosbuvir + NS5A inhibitor treatment is associated with decreased insulin resistance and persistent oxidative stress. Arch Virol 2020; 165:2759-2766. [PMID: 32885325 DOI: 10.1007/s00705-020-04797-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 08/04/2020] [Indexed: 12/21/2022]
Abstract
Oxidative stress (OS) and insulin resistance (IR) induced by hepatitis C virus (HCV) infection, are involved in the development of chronic hepatitis C (CHC) complications and progression to hepatocellular carcinoma. The aim of this study was to investigate the effect of pegylated interferon alpha (IFNα) + ribavirin (PegIFNα+RVB) or sofosbuvir + NS5A inhibitor (SOF+InNS5A) on IR and the components of OS. HCV was genotyped in 20 CHC patients grouped by treatment with either PegIFNα+RVB (n = 10) or SOF+InNS5A (n = 10). The treatment's effect on OS-induced damage to lipids (HNE-HDL), proteins (advanced glycation end products [AGEs]), and DNA (8-OHdG) as well as the concentrations of proinflammatory cytokines (IL-2, TNFα, IFNγ), ALT, AST, GSH and platelets was determined. Superoxide dismutase (SOD) and catalase activity as well as IR, determined by the HOMA1-IR index, was evaluated. The HCV genotypes (GT) found were GT1b (45%), GT1a (30%), GT2b (20%), and GT2a (5%). Viral RNA became undetectable by week 12 with SOF+InNS5A in 100% of the cases and with PegIFNα+RVB in 70% of the cases. After viral RNA became undetectable, regardless of treatment and GT, a significant increase in the platelet concentration and SOD activity was observed, whereas ALT, insulin, and IR decreased (p < 0.05). However, only for the SOF+InNS5A treated group was there an increase in oxidative damage to lipids (p < 0.017) and proteins (p < 0.05). None of the other parameters demonstrated any differences. These data confirm that OS persisted after treatment with either SOF+InNS5A or PegIFNα+RVB. IR could be considered a response biomarker to treatment with direct-acting antivirals.
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Affiliation(s)
- Allison Cázares-Cortazar
- Laboratorio Central de Epidemiología, División de Laboratorios de Vigilancia e Investigación Epidemiológica, Instituto Mexicano del Seguro Social, IMSS, Calzada vallejo s/n Col. La Raza, Del. Azcapotzalco, CP 02990, México City, México
| | - Luis A Uribe-Noguez
- Laboratorio Central de Epidemiología, División de Laboratorios de Vigilancia e Investigación Epidemiológica, Instituto Mexicano del Seguro Social, IMSS, Calzada vallejo s/n Col. La Raza, Del. Azcapotzalco, CP 02990, México City, México
| | - José Antonio Mata-Marín
- Departamento de Enfermedades Infecciosas, Hospital de Infectología, Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, IMSS, México City, México
| | - Jesús Gaytán-Martínez
- Departamento de Enfermedades Infecciosas, Hospital de Infectología, Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, IMSS, México City, México
| | - María de la Luz Martínez-Rodríguez
- Departamento de Enfermedades Infecciosas, Hospital de Infectología, Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, IMSS, México City, México
| | - Pedro Esteban Villavicencio-Ferrel
- Laboratorio de Medicina Nuclear, Unidad Médica de Alta Especialidad, Hospital de Especialidades, CMN "La Raza", Instituto Mexicano del Seguro Social, IMSS, México City, México
| | - Alberto Chapararro-Sánchez
- Departamento de Enfermedades Infecciosas, Hospital de Infectología, Centro Médico Nacional "La Raza", Instituto Mexicano del Seguro Social, IMSS, México City, México
| | - Stefan Mauss
- Center for HIV and Hepatogastroenterology, Düsseldorf, Germany
| | - Alicia Ocaña-Mondragón
- Laboratorio Central de Epidemiología, División de Laboratorios de Vigilancia e Investigación Epidemiológica, Instituto Mexicano del Seguro Social, IMSS, Calzada vallejo s/n Col. La Raza, Del. Azcapotzalco, CP 02990, México City, México.
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Villani R, Bellanti F, Cavallone F, Di Bello G, Tamborra R, Bukke Vidyasagar N, Moola A, Serviddio G. Direct-acting antivirals restore systemic redox homeostasis in chronic HCV patients. Free Radic Biol Med 2020; 156:200-206. [PMID: 32629106 DOI: 10.1016/j.freeradbiomed.2020.06.007] [Citation(s) in RCA: 4] [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] [Received: 04/30/2020] [Revised: 06/06/2020] [Accepted: 06/09/2020] [Indexed: 02/08/2023]
Abstract
Chronic hepatitis C therapy has completely changed in the last years due to the availability of direct-acting antivirals (DAAs). Removing the virus may be not enough since chronic infection deeply modifies immune system and cellular metabolism along decades of inflammation. Oxidative stress plays a significant role in maintaining systemic inflammation during chronic HCV infection. Other than removing the virus, effective therapy could counteract oxidative stress. This study investigated the impact of DAA treatment on circulating markers of oxidative stress and antioxidant defence in a cohort of patients affected by chronic hepatitis C. To this, an observational study on 196 patients who started therapy with DAA for HCV-related hepatitis was performed. Patients were assessed at baseline, 4 weeks after the initiation of therapy (4wks), at the end of treatment (EoT), and 12 weeks after the EoT (SVR12). Circulating oxidative stress was determined by measuring serum hydroxynonenal (HNE)- and malondialdehyde (MDA)-protein adducts, and 8-hydroxydeoxyguanosine (8-OHdG). Antioxidant status was evaluated by measuring the enzymatic activity and mRNA expression of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GSH-Px) in peripheral blood mononuclear cells. We observed a reduction of serum 8-OHdG at 4wks, while the circulating level of both HNE- and MDA-protein adducts diminished at EoT; all these markers persisted low at SVR12. On the other side, we reported an increase in the enzymatic activity of all the antioxidant enzymes in PBMC at EoT and SVR12. Taking into account circulating 8-OHdG and antioxidant enzyme activities, patients with high fibrosis stage were those that had the most benefit from DAA therapy. To conclude, this study indicates that treatment with DAAs improves the circulating redox status of patients affected by chronic hepatitis C. This positive impact of DAA therapy may be related to its effectiveness on cutting down viremia and pro-inflammatory markers.
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Affiliation(s)
- Rosanna Villani
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Francesco Bellanti
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Francesco Cavallone
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Giorgia Di Bello
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Rosanna Tamborra
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Naik Bukke Vidyasagar
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Archana Moola
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Gaetano Serviddio
- CURE (University Centre for Liver Disease Research and Treatment), Liver Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy.
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Farooq M, Rauf M, Tahir F, Manzoor S. A comparative analysis of interferons and direct-acting antivirals on the expression of genes involved in hepatitis C pathogenesis. J Med Virol 2020; 93:6241-6246. [PMID: 32706418 DOI: 10.1002/jmv.26351] [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: 05/15/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 01/01/2023]
Abstract
The discovery of direct-acting antivirals (DAAs) has revolutionized the treatment of hepatitis C worldwide. In contrast, pegylated interferon-alpha (PEG IFN-α), the older regimen, had limited success. However, the effect of DAAs on the expression of immunomodulatory genes involved in liver pathologies remains ambiguous. The objective of this study was to explore and contrast the effects of DAAs and PEG IFN-α on the expression of selected immunomodulatory genes. Fifty individuals were enrolled in the study and they were divided into five categories; healthy individuals, treatment-naive, DAAs-responders, DAAs-nonresponders, and interferon-relapsers. The effect of the therapies on the expression of transforming growth factor-beta (TGF-β), tumor necrosis factor-alpha (TNF-α), suppressor of cytokine signaling 3 (SOCS-3), copper/zinc superoxide dismutase (Cu/Zn SOD), interleukin 10 (IL-10), and collagen type 1 was analyzed. Expression analysis of the selected genes was done through real time polymerase chain reaction. A significantly increased expression of TGF-β was observed in the patients who received DAAs or PEG IFN-α, which suggests that patients receiving anti-HCV therapies are prone to developing fibrosis. Moreover, DAAs-nonresponders had higher expression of TNF-α, SOCS-3, and IL-10. The elevated expression of TNF-α and SOCS-3 insinuates that DAAs-nonresponders may develop insulin resistance and steatosis in the future. Finally, in addition to TGF-β, high expression of collagen was found in interferon relapsers, which suggests that these patients are the most susceptible to developing cirrhosis.
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Affiliation(s)
- Mariya Farooq
- Department of Healthcare Biotechnology, Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Mahd Rauf
- Department of Healthcare Biotechnology, Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Fatima Tahir
- Department of Healthcare Biotechnology, Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
| | - Sobia Manzoor
- Department of Healthcare Biotechnology, Atta-Ur-Rahman School of Applied Biosciences (ASAB), National University of Sciences and Technology (NUST), Islamabad, Pakistan
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Dysregulation in Plasma ω3 Fatty Acids Concentration and Serum Zinc in Heavy Alcohol-Drinking HCV Patients. Adv Virol 2020; 2020:7835875. [PMID: 32565809 PMCID: PMC7301182 DOI: 10.1155/2020/7835875] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Accepted: 04/30/2020] [Indexed: 12/20/2022] Open
Abstract
Alcohol use disorder (AUD) patients comorbid with hepatitis C virus (HCV) infection (HCV + AUD) could have progressively severe clinical sequels of liver injury and inflammation. Serum zinc and several polyunsaturated fatty acids (PUFAs) get dysregulated in AUD as well as HCV. However, the extent of dysregulation of PUFAs and zinc deficiency and their interaction in HCV + AUD as a comorbid pathology has not been studied. We examined the role of dysregulation of FAs and low zinc in HCV + AUD patients. 138 male and female participants aged 21-67 years were grouped as HCV-only (Gr. 1; n = 13), HCV + AUD (Gr. 2; n = 25), AUD without liver injury (Gr. 3; n = 37), AUD with liver injury (Gr. 4; n = 51), and healthy volunteers (Gr. 5 or HV; n = 12). Drinking history, individual demographic measures, fasting fatty acids, liver function, and zinc were measured and analyzed. HCV + AUD patients showed the highest ALT level compared to the rest of the groups. Serum zinc concentrations were the lowest, and the proinflammatory shift was the highest (characterized by ω6 : ω3 ratio) in the HCV + AUD patients. Total ω3, eicosapentaenoic acid (EPA), and docosapentaenoic acid (DPA5,3) were the lowest in HCV + AUD patients. Total ω3, α-linoleic acid (α-LA) along with covariable number of drinking days past 90 days (NDD90), eicosapentaenoic acid (EPA), and docosapentaenoic acid (DPA5,3) independently showed significant association with low zinc in the HCV + AUD patients. Heavy drinking pattern showed that NDD90 has a significant mediating role in the representation of the relationship between candidate ω3 PUFAs and zinc uniquely in the HCV + AUD patients. Low serum zinc showed a distinctively stronger association with total and candidate ω3s in the HCV + AUD patients compared to the patients with HCV or AUD alone, supporting dual mechanism involved in the exacerbation of the proinflammatory response in this comorbid cohort. This trial is registered with NCT#00001673.
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Enhanced Efficacy of Direct-Acting Antivirals in Hepatitis C Patients by Coadministration of Black Cumin and Ascorbate as Antioxidant Adjuvants. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:7087921. [PMID: 32566096 PMCID: PMC7290872 DOI: 10.1155/2020/7087921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 04/11/2020] [Accepted: 05/08/2020] [Indexed: 12/29/2022]
Abstract
The widespread adaptation of a new generation of direct-acting antiviral agents (DAAs) unveils a superlative effect in the eradication of the hepatitis C virus (HCV). However, this therapy has been reported to exhibit vigorous side effects that pose a risk in fleet recovery. This study was conducted to investigate the efficacy of DAAs: sofosbuvir (SOF) and ribavirin (RBV), along with black cumin (BLC) and ascorbate (ASC), as adjuvants on hematological parameters; oxidative stress markers such as total antioxidant status (TAS), superoxide dismutase (SOD), reduced (GSH) and oxidized (GSSG) glutathione (GSH), gamma-glutamyl transferase (GGT), and malondialdehyde (MDA); liver function markers such as aspartate transaminase (AST), alanine aminotransferase (ALT), bilirubin, and alkaline phosphatase (ALP); and viral load with determined genotypes. HCV-infected patients (n = 30) were randomly divided into two equal groups: control group (n = 15) and treatment group (n = 15). The control group was subjected only to SOF and RBV (400 mg each/day). Synergistically, the treatment group was administered with adjuvant therapy of BLC (250 mg/day) and ASC (1000 mg/day) along with DAAs (400 mg each/day) for 8 weeks. All selected patients were subjected to sampling at pre- and posttreatment stages for the assessment of defined parameters. The data revealed that the BLC/ASC adjuvant therapy boosted the efficacy of DAAs by reducing the elevated levels of liver markers such as AST, ALT, ALP, and bilirubin in the treatment group compared with those in the control group (P > 0.05). The adjuvant therapy synchronously showed an ameliorating effect on hematological parameters. The SOF/RBV with adjuvant therapy also demonstrated an increasing effect in the activity of SOD, TAS, and GSH and a decreasing effect for GSSG, GGT, and malondialdehyde (MDA; P > 0.05) followed by curtailing a RT-PCR-quantified viral load. Our findings provide evidence that systemic administration of BLC/ASC efficiently alleviates hematological, serological, and antioxidant markers as well as the viral load in hepatitis C patients. This highlights a potentially novel role of BLC and ASC in palliating hepatitis C.
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Dash S, Aydin Y, Wu T. Integrated stress response in hepatitis C promotes Nrf2-related chaperone-mediated autophagy: A novel mechanism for host-microbe survival and HCC development in liver cirrhosis. Semin Cell Dev Biol 2020; 101:20-35. [PMID: 31386899 PMCID: PMC7007355 DOI: 10.1016/j.semcdb.2019.07.015] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/26/2019] [Accepted: 07/30/2019] [Indexed: 02/06/2023]
Abstract
The molecular mechanism(s) how liver damage during the chronic hepatitis C virus (HCV) infection evolve into cirrhosis and hepatocellular carcinoma (HCC) is unclear. HCV infects hepatocyte, the major cell types in the liver. During infection, large amounts of viral proteins and RNA replication intermediates accumulate in the endoplasmic reticulum (ER) of the infected hepatocyte, which creates a substantial amount of stress response. Infected hepatocyte activates a different type of stress adaptive mechanisms such as unfolded protein response (UPR), antioxidant response (AR), and the integrated stress response (ISR) to promote virus-host cell survival. The hepatic stress is also amplified by another layer of innate and inflammatory response associated with cellular sensing of virus infection through the production of interferon (IFN) and inflammatory cytokines. The interplay between various types of cellular stress signal leads to different forms of cell death such as apoptosis, necrosis, and autophagy depending on the intensity of the stress and nature of the adaptive cellular response. How do the adaptive cellular responses decode such death programs that promote host-microbe survival leading to the establishment of chronic liver disease? In this review, we discuss how the adaptive cellular response through the Nrf2 pathway that promotes virus and cell survival. Furthermore, we provide a glimpse of novel stress-induced Nrf2 mediated compensatory autophagy mechanisms in virus-cell survival that degrade tumor suppressor gene and activation of oncogenic signaling during HCV infection. Based on these facts, we hypothesize that the balance between hepatic stress, inflammation and different types of cell death determines liver disease progression outcomes. We propose that a more nuanced understanding of virus-host interactions under excessive cellular stress may provide an answer to the fundamental questions why some individuals with chronic HCV infection remain at risk of developing cirrhosis, cancer and some do not.
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Affiliation(s)
- Srikanta Dash
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA.
| | - Yucel Aydin
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
| | - Tong Wu
- Department of Pathology and Laboratory Medicine, Tulane University Health Sciences Center, New Orleans, LA, 70112, USA
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Zhu H, Yang Z, Zhao X, Zhang L, Ren Z, Zhou K, Song P, Xu X, Xie H, Zheng S. pSTAT3 Y705 is a prognostic biomarker identified from time-series gene expression profiles of a chemically induced mouse model of hepatocellular carcinoma. Am J Transl Res 2020; 12:1443-1458. [PMID: 32355553 PMCID: PMC7191170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 04/03/2020] [Indexed: 06/11/2023]
Abstract
Development of hepatocellular carcinoma (HCC) is a dynamic process that includes a spectrum ranging from precancerous exposure to carcinogenesis and metastasis stages. In this process, numerous dysregulated genes resulted in aberrant activation or inhibition of signaling pathways. Herein, time-series gene expression profiles of dimethylnitrosamine (DEN)-induced mice with HCC covering different stages are provided. Gene expression patterns of liver tissues were detected at different time intervals [0 (negative control; NC), 15, 28, 30, and 42 weeks]. A comparison of gene expression between DEN-treated groups and NC yielded a total of 726 differentially expressed genes (DEGs), 76 of which were enriched in 10 statistically significant Kyoto Encyclopedia of Genes and Genomes (KEGG) signaling pathways (adjusted p value <0.05). After assessing regulation among these cascades, we found that Stat3 was a crucial transcription factor. Additionally, it was a connector in the PPI network constituting the 76 DEGs. Western blotting and immunohistochemistry suggested that the phosphorylation of Stat3 at tyrosine 705 (pStat3 Y705) was down-regulated in early stage HCC. Following, survival analysis revealed that patients with down-regulated pSTAT3 Y705 exhibited reduced overall survival rates in both the early stage and well-differentiated groups (p=0.00022 and p=0.0026, respectively). This is the first study evaluating dynamic gene expression profiles in a time-series DEN-induced mouse HCC model. Stat3 was identified as a crucial node during HCC progression, and pSTAT3 Y705 serves as a prognostic biomarker for early-stage HCC.
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Affiliation(s)
- Hai Zhu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Zhentao Yang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Xinyi Zhao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University School of MedicineHangzhou, China
| | - Liang Zhang
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Zhigang Ren
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Department of Infectious Diseases, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
- Gene Hospital of Henan Province, Precision Medicine Center, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Ke Zhou
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Penghong Song
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Xiao Xu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Haiyang Xie
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
| | - Shusen Zheng
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, First Affiliated Hospital, School of Medicine, Zhejiang UniversityHangzhou, China
- NHC Key Laboratory of Combined Multi-Organ TransplantationHangzhou, China
- Key Laboratory of The Diagnosis and Treatment of Organ Transplantation, CAMSHangzhou, China
- Key Laboratory of Organ Transplantation, Zhejiang ProvinceHangzhou, China
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Ríos-Ocampo WA, Daemen T, Buist-Homan M, Faber KN, Navas MC, Moshage H. Hepatitis C virus core or NS3/4A protein expression preconditions hepatocytes against oxidative stress and endoplasmic reticulum stress. Redox Rep 2020; 24:17-26. [PMID: 30909829 PMCID: PMC6748607 DOI: 10.1080/13510002.2019.1596431] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Objectives: The occurrence of oxidative stress and endoplasmic
reticulum (ER) stress in hepatitis C virus (HCV) infection has been demonstrated
and play an important role in liver injury. During viral infection, hepatocytes
must handle not only the replication of the virus, but also inflammatory signals
generating oxidative stress and damage. Although several mechanisms exist to
overcome cellular stress, little attention has been given to the adaptive
response of hepatocytes during exposure to multiple noxious triggers. Methods: In the present study, Huh-7 cells and hepatocytes
expressing HCV Core or NS3/4A proteins, both inducers of oxidative and ER
stress, were additionally challenged with the superoxide anion generator
menadione to mimic external oxidative stress. The production of reactive oxygen
species (ROS) as well as the response to oxidative stress and ER stress were
investigated. Results: We demonstrate that hepatocytes diminish oxidative stress
through a reduction in ROS production, ER-stress markers (HSPA5
[GRP78], sXBP1) and apoptosis (caspase-3 activity) despite
external oxidative stress. Interestingly, the level of the autophagy substrate
protein p62 was downregulated together with HCV Core degradation, suggesting
that hepatocytes can overcome excess oxidative stress through autophagic
degradation of one of the stressors, thereby increasing cell survival. Duscussion: In conclusion, hepatocytes exposed to direct and
indirect oxidative stress inducers are able to cope with cellular stress
associated with viral hepatitis and thus promote cell survival.
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Affiliation(s)
- W Alfredo Ríos-Ocampo
- a Department of Gastroenterology and Hepatology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands.,b Department Medical Microbiology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands.,c Grupo Gastrohepatología, Facultad de Medicina, Universidad de Antioquia , Medellin , Colombia
| | - Toos Daemen
- b Department Medical Microbiology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands
| | - Manon Buist-Homan
- a Department of Gastroenterology and Hepatology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands.,d Department of Laboratory Medicine , University of Groningen, University Medical Center Groningen , Groningen , Netherlands
| | - Klaas Nico Faber
- a Department of Gastroenterology and Hepatology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands.,d Department of Laboratory Medicine , University of Groningen, University Medical Center Groningen , Groningen , Netherlands
| | - María-Cristina Navas
- c Grupo Gastrohepatología, Facultad de Medicina, Universidad de Antioquia , Medellin , Colombia
| | - Han Moshage
- a Department of Gastroenterology and Hepatology , University of Groningen, University Medical Center Groningen , Groningen , Netherlands.,d Department of Laboratory Medicine , University of Groningen, University Medical Center Groningen , Groningen , Netherlands
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Patra T, Meyer K, Ray RB, Ray R. Hepatitis C Virus Mediated Inhibition of miR-181c Activates ATM Signaling and Promotes Hepatocyte Growth. Hepatology 2020; 71:780-793. [PMID: 31400158 PMCID: PMC7008082 DOI: 10.1002/hep.30893] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 08/05/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIMS Hepatitis C virus (HCV) infection promotes hepatocyte growth and progress to hepatocellular carcinoma. We previously observed that HCV infection of hepatocytes transcriptionally down-regulates miR-181c expression through CCAAT/enhancer binding protein β (C/EBP-β). Here, we examined the role of miR-181c in the regulation of cell cycle progression in relation to HCV infection. In silico analysis suggested that ataxia-telangiectasia mutated (ATM) protein, a protein kinase, is a direct target of miR-181c. ATM is a central mediator of response for cellular DNA double-strand break. APPROACH AND RESULTS Our results demonstrated that ATM expression is higher in HCV-infected hepatocytes and chronic HCV-infected liver biopsy specimens. We have shown a direct interaction of miR-181c with the 3' untranslated region of ATM, and the presence of ATM in miR-181c-associated RNA-induced silencing complex. Exogenous expression of miR-181c inhibited ATM expression and activation of its downstream molecules, Chk2 and Akt. On the other hand, introduction of anti-miR-181c restored ATM and phosphorylated Akt. Furthermore, introduction of miR-181c significantly inhibited phospho-cyclin-dependent kinase 2 (CDK2) and cyclin-A expression, arresting cell cycle progression, whereas overexpression of miR-181c promoted apoptosis of HCV-infected hepatocytes and can be inhibited by overexpression of ATM from a clone lacking miR-181c binding sites. In addition, miR-181c significantly regressed tumor growth in the xenograft human hepatocellular carcinoma mouse model. CONCLUSIONS Together, our results suggest that HCV infection suppresses miR-181c in hepatocytes, resulting in ATM activation and apoptosis inhibition for promotion of cell cycle progression. The results provide mechanistic insight into understanding the role of miR-181c in HCV-associated hepatocyte growth promotion, and may have the potential for therapeutic intervention.
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Affiliation(s)
- Tapas Patra
- Department of Internal Medicine, Saint Louis University, St. Louis, MO
| | - Keith Meyer
- Department of Internal Medicine, Saint Louis University, St. Louis, MO
| | - Ratna B Ray
- Department of Pathology, Saint Louis University, St. Louis, MO
| | - Ranjit Ray
- Department of Internal Medicine, Saint Louis University, St. Louis, MO.,Department of Molecular Microbiology & Immunology, Saint Louis University, St. Louis, MO
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Sevastianos VA, Voulgaris TA, Dourakis SP. Hepatitis C, systemic inflammation and oxidative stress: correlations with metabolic diseases. Expert Rev Gastroenterol Hepatol 2020; 14:27-37. [PMID: 31868062 DOI: 10.1080/17474124.2020.1708191] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Introduction: Hepatitis C chronic infection has long been correlated with numerous systemic diseases, such as diabetes mellitus and hepatic steatosis. Recent studies have also revealed an association with atherosclerosis.Areas covered: An analysis is presented on the mechanisms through which the hepatitis C viral infection can lead to a systemic increase in pro-inflammatory markers, especially tumor necrosis factor-a and interleukin-6. The immunological imbalance created may, through different mechanisms, act on the metabolic pathways that contribute to the development of insulin resistance, the accumulation of lipids in the liver, and even the formation of atherosclerotic plaques. Moreover, an additional contributing factor to the above-mentioned metabolic derangements is the unopposed oxidative stress observed in chronic hepatitis C viral infection. The virus itself contributes to the formation of oxidative stress, through alterations in the trace metal homeostasis and its effect on pro-inflammatory cytokines, such as tumor necrosis factor-a.Expert opinion: The scope of this review is to emphasize the importance of the metabolic manifestations of hepatitis C viral infection and to elucidate the pathophysiological mechanisms behind their emergence.
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Affiliation(s)
- Vassilios A Sevastianos
- Department of Internal Medicine and Liver Outpatient Clinic, "Evangelismos" General Hospital, Athens, Greece
| | - Theodoros A Voulgaris
- Department of Internal Medicine and Liver Outpatient Clinic, "Evangelismos" General Hospital, Athens, Greece
| | - Spyros P Dourakis
- Department of Internal Μedicine, Medical School, National and Kapodistrian University of Athens, General Hospital of Athens Ippokrateio, Athens, Greece
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Abstract
Autophagy plays an important role in the fight against viral infection, which can directly remove the virus, interact with the viral protein, and at the same time regulate the innate and adaptive immunity and promote virus clearance. The virus has also evolved autophagy, which evades, antagonizes and utilizes autophagy, and regulates autophagy pathways, affects autophagy maturation, changes autophagy small body environment or changes the body's immune response type to promote or inhibit autophagy. This chapter introduces the possible mechanisms of autophagy during pathogen infection such as human immunodeficiency virus and hepatitis virus, in order to provide new methods for the prevention and treatment of viral infection.
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Affiliation(s)
- Yichuan Xiao
- Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.
| | - Wei Cai
- Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Qian S, Golubnitschaja O, Zhan X. Chronic inflammation: key player and biomarker-set to predict and prevent cancer development and progression based on individualized patient profiles. EPMA J 2019; 10:365-381. [PMID: 31832112 PMCID: PMC6882964 DOI: 10.1007/s13167-019-00194-x] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2019] [Accepted: 11/06/2019] [Indexed: 12/24/2022]
Abstract
A strong relationship exists between tumor and inflammation, which is the hot point in cancer research. Inflammation can promote the occurrence and development of cancer by promoting blood vessel growth, cancer cell proliferation, and tumor invasiveness, negatively regulating immune response, and changing the efficacy of certain anti-tumor drugs. It has been demonstrated that there are a large number of inflammatory factors and inflammatory cells in the tumor microenvironment, and tumor-promoting immunity and anti-tumor immunity exist simultaneously in the tumor microenvironment. The typical relationship between chronic inflammation and tumor has been presented by the relationships between Helicobacter pylori, chronic gastritis, and gastric cancer; between smoking, development of chronic pneumonia, and lung cancer; and between hepatitis virus (mainly hepatitis virus B and C), development of chronic hepatitis, and liver cancer. The prevention of chronic inflammation is a factor that can prevent cancer, so it effectively inhibits or blocks the occurrence, development, and progression of the chronic inflammation process playing important roles in the prevention of cancer. Monitoring of the causes and inflammatory factors in chronic inflammation processes is a useful way to predict cancer and assess the efficiency of cancer prevention. Chronic inflammation-based biomarkers are useful tools to predict and prevent cancer.
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Affiliation(s)
- Shehua Qian
- 1Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
- 2Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
- 3State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
| | - Olga Golubnitschaja
- 4Radiological Clinic, UKB, Excellence Rheinische Friedrich-Wilhelms-University of Bonn, Sigmund-Freud-Str 25, 53105 Bonn, Germany
- 5Breast Cancer Research Centre, UKB, Excellence Rheinische Friedrich-Wilhelms-University of Bonn, Bonn, Germany
- 6Centre for Integrated Oncology, Cologne-Bonn, Excellence Rheinische Friedrich-Wilhelms-University of Bonn, Bonn, Germany
| | - Xianquan Zhan
- 1Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
- 2Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
- 3State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan People's Republic of China
- 7Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008 Hunan People's Republic of China
- 8National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008 Hunan People's Republic of China
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Sousa L, Oliveira MM, Pessôa MTC, Barbosa LA. Iron overload: Effects on cellular biochemistry. Clin Chim Acta 2019; 504:180-189. [PMID: 31790701 DOI: 10.1016/j.cca.2019.11.029] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 11/19/2019] [Accepted: 11/20/2019] [Indexed: 02/07/2023]
Abstract
Iron is an essential element for human life. However, it is a pro-oxidant agent capable of reacting with hydrogen peroxide. An iron overload can cause cellular changes, such as damage to the plasma membrane leading to cell death. Effects of iron overload in cellular biochemical processes include modulating membrane enzymes, such as the Na, K-ATPase, impairing the ionic transport and inducing irreversible damage to cellular homeostasis. To avoid such damage, cells have an antioxidant system that acts in an integrated manner to prevent oxidative stress. In addition, the cells contain proteins responsible for iron transport and storage, preventing its reaction with other substances during absorption. Moreover, iron is associated with cellular events coordinated by iron-responsive proteins (IRPs) that regulate several cellular functions, including a process of cell death called ferroptosis. This review will address the biochemical aspects of iron overload at the cellular level and its effects on important cellular structures.
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Affiliation(s)
- Leilismara Sousa
- Laboratório de Bioquímica Celular, Universidade Federal de São João del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
| | - Marina M Oliveira
- Laboratório de Bioquímica Celular, Universidade Federal de São João del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
| | - Marco Túlio C Pessôa
- Laboratório de Bioquímica Celular, Universidade Federal de São João del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil
| | - Leandro A Barbosa
- Laboratório de Bioquímica Celular, Universidade Federal de São João del Rei, Campus Centro-Oeste Dona Lindu, Divinópolis, MG, Brazil.
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