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Verma AK, Yadav A, Dewangan J, Singh SV, Mishra M, Singh PK, Rath SK. Isoniazid prevents Nrf2 translocation by inhibiting ERK1 phosphorylation and induces oxidative stress and apoptosis. Redox Biol 2015. [PMID: 26202867 PMCID: PMC4522592 DOI: 10.1016/j.redox.2015.06.020] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Isoniazid is used either alone or in combination with other drugs for the treatment of tuberculosis. It is also used for the prevention of tuberculosis. Chronic treatment of Isoniazid may cause severe liver damage leading to acute liver failure. The mechanism through which Isoniazid causes liver damage is investigated. Isoniazid treatment generates reactive oxygen species and induces apoptosis in Hep3B cells. It induces antioxidative and apoptotic genes leading to increase in mRNA expression and protein levels in Hep3B cells. Whole genome expression analysis of Hep3B cells treated with Isoniazid has resulted in differential expression of various genes playing prime role in regulation of apoptotic, antioxidative, DNA damage, cell signaling, cell proliferation and differentiation pathways. Isoniazid increased cytosolic Nrf2 protein level while decreased nuclear Nrf2 protein level. It also decreased ERK1 phosphorylation and treatment of Hep3B cells with ERK inhibitor followed by Isoniazid resulting in increased apoptosis in these cells. Two dimensional gel electrophoresis results have also shown differential expression of various protein species including heat shock proteins, proteins playing important role in oxidative stress, DNA damage, apoptosis, cell proliferation and differentiation. Results suggest that Isoniazid induces apoptosis through oxidative stress and also prevents Nrf2 translocation into the nucleus by reducing ERK1 phosphorylation thus preventing cytoprotective effect.
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Affiliation(s)
- Ajeet Kumar Verma
- PCS 103 Genotoxicity Lab, Division of Toxicology, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Arti Yadav
- PCS 103 Genotoxicity Lab, Division of Toxicology, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Jayant Dewangan
- PCS 103 Genotoxicity Lab, Division of Toxicology, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Sarvendra Vikram Singh
- PCS 103 Genotoxicity Lab, Division of Toxicology, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
| | - Manisha Mishra
- Plant Molecular Biology Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India.
| | - Pradhyumna Kumar Singh
- Plant Molecular Biology Division, CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow 226001, India.
| | - Srikanta Kumar Rath
- PCS 103 Genotoxicity Lab, Division of Toxicology, CSIR-Central Drug Research Institute, B.S. 10/1, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow 226031, India.
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Hooker DJ, Cherry CL. Apoptosis: a clinically useful measure of antiretroviral drug toxicity? Expert Opin Drug Metab Toxicol 2010; 5:1543-53. [PMID: 19785516 DOI: 10.1517/17425250903282781] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Antiretroviral therapy (ART) has improved life expectancy with HIV infection, but long-term toxicities associated with these medications are now a major global disease burden. There is a clear need to develop useful methods for monitoring patients on antiretroviral drugs for early signs of toxicity. Assays with predictive utility -- allowing therapy to be changed before serious end organ damage occurs -- would be ideal. Attempts to develop biochemical methods of monitoring ART toxicity have concentrated on the mitochondrial toxicity of nucleoside analogue reverse transcriptase inhibitors and have not generally lead to assays with widespread clinical applications. For example, plasma lactate and peripheral blood measurements of mitochondrial DNA associate with exposure to potentially toxic nucleoside analogue reverse transcriptase inhibitors but have not reliably predicted clinical toxicity. Better assays are needed, including markers of toxicity from additional drug classes. Apoptosis may be a potential marker of ART toxicity. Increased apoptosis has been demonstrated both in vitro and in vivo in association with various antiretroviral drug classes and a range of clinical toxicities. However, quantifying apoptosis on biopsy specimens of tissue (such as adipose tissue) is impractical for patient monitoring. Novel assays have been described that can quantify apoptosis using minute tissue samples and initial results from clinical samples suggest peripheral blood may have utility in predicting ART toxicities. The limitations and potential of such techniques for monitoring patients for drug side effects will be discussed.
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Antoine DJ, Mercer AE, Williams DP, Park BK. Mechanism-based bioanalysis and biomarkers for hepatic chemical stress. Xenobiotica 2009; 39:565-77. [PMID: 19621999 DOI: 10.1080/00498250903046993] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Adverse drug reactions, in particular drug-induced hepatotoxicity, represent a major challenge for clinicians and an impediment to safe drug development. Novel blood or urinary biomarkers of chemically-induced hepatic stress also hold great potential to provide information about pathways leading to cell death within tissues. The earlier pre-clinical identification of potential hepatotoxins and non-invasive diagnosis of susceptible patients, prior to overt liver disease is an important goal. Moreover, the identification, validation and qualification of biomarkers that have in vitro, in vivo and clinical transferability can assist bridging studies and accelerate the pace of drug development. Drug-induced chemical stress is a multi-factorial process, the kinetics of the interaction between the hepatotoxin and the cellular macromolecules are crucially important as different biomarkers will appear over time. The sensitivity of the bioanalytical techniques used to detect biological and chemical biomarkers underpins the usefulness of the marker in question. An integrated analysis of the biochemical, molecular and cellular events provides an understanding of biological (host) factors which ultimately determine the balance between xenobiotic detoxification, adaptation and liver injury. The aim of this review is to summarise the potential of novel mechanism-based biomarkers of hepatic stress which provide information to connect the intracellular events (drug metabolism, organelle, cell and whole organ) ultimately leading to tissue damage (apoptosis, necrosis and inflammation). These biomarkers can provide both the means to inform the pharmacologist and chemist with respect to safe drug design, and provide clinicians with valuable tools for patient monitoring.
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Affiliation(s)
- D J Antoine
- Department of Pharmacology & Therapeutics, MRC Centre for Drug Safety Science, University of Liverpool, Liverpool, UK.
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Miller TJ, Knapton A, Adeyemo O, Noory L, Weaver J, Hanig JP. Cytochrome c: a non-invasive biomarker of drug-induced liver injury. J Appl Toxicol 2008; 28:815-28. [PMID: 18418843 DOI: 10.1002/jat.1347] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Limitations of existing biomarkers to detect liver injury in experimental animals highlight the need for additional tools to predict human toxicity. The utility of cytochrome c (cyt c) as a biomarker in serum and urine was evaluated in two rodent liver injury models. Adult Sprague-Dawley rats treated with acetaminophen or D-galactosamine (GalN) showed dose- and time-dependent histomorphological changes and TUNEL staining in liver consistent with hepatocellular necrosis, apoptosis and inflammation up to 72 h. Matching changes in serum alanine transaminase (ALT), aspartate transaminase (AST) and cyt c peaked at 24 h for either drug at the highest dose, cyt c falling rapidly at 48 hours with ALT and AST remained high. Intracellular transit of cyt c from mitochondria to the cytoplasm in damaged hepatocytes, and then to peripheral circulation, was observed by immunohistochemistry. Correlation coefficients between cyt c and serum diagnostic tests indicate the liver to be the primary source of cyt c. Urinary analysis for cyt c revealed time-dependent increase at 6 h, peaking at 24 h in GalN-treated rats in contrast with irregular patterns of urinary ALT and AST activity. Histological changes detected at 6 h preceded altered ALT, AST and cyt c at 12 and 18 h, respectively, in GalN-treated rats. These studies demonstrate cyt c to be a useful indicator of hepatic injury in rodents and support its utility as a non-invasive predictor of drug-induced hepatotoxicity, when utilized as a potential urinary biomarker.
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Affiliation(s)
- T J Miller
- Division of Applied Pharmacology Research, Center for Drug Evaluation and Research, Food and Drug Administration, Silver Spring, Maryland, USA.
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Liu LM, Zhang JX, Luo J, Guo HX, Deng H, Chen JY, Sun SL. A role of cell apoptosis in lipopolysaccharide (LPS)-induced nonlethal liver injury in D-galactosamine (D-GalN)-sensitized rats. Dig Dis Sci 2008; 53:1316-24. [PMID: 17934810 DOI: 10.1007/s10620-007-9994-y] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2007] [Accepted: 08/20/2007] [Indexed: 02/06/2023]
Abstract
Lipopolysaccharide (LPS) is implicated in the pathology of acute liver injury and can induce lethal liver failure when simultaneously administered with D-galactosamine (D-GalN). At the present time, nonlethal liver failure, the liver injury of clinical implication, is incompletely understood following challenge by low-dose LPS/D-GalN. We report here our investigation of the effects of liver injury following a nonlethal dose LPS/D-GalN and the role of apoptosis in this disorder. Blood biochemistry indexes, including those of alanine aminotransferase (ALT), aspartate aminotransferase (AST) and total bilirubin (TBIL), had risen by 6 h post-LPS/D-GalN injection, reached a peak at 24 h and sustained high levels at 48 h. An abnormal liver appearance was found at 24 and 48 h post-injection. Histopathological changes of hepatic injuries accompanied by hepatocellular death, inflammatory infiltration and hemorrhage began to appear at 6 h and were markedly aggravated at 24 and 48 h. Cell apoptosis was significantly induced by the nonlethal dose LPS/D-GalN challenge, and the apoptotic indexes (AIs) in 24 h- and 48 h-treated rats were approximately 70%, as estimated by the terminal transferase dUTP nick end labeling (TUNEL) assay. The mRNA levels of the inflammatory cytokine IL-1beta rose markedly at 6 h and maintained high levels at 24 and 48 h; however, TNF-alpha levels were normal in the liver tissues of 6-, 24- and 48-h-treated rats. mRNA expression of the damage gene nitric oxide synthase (NOS) was also induced early by the LPS/D-GalN challenge, reaching a peak at 6 h, then gradually decreasing in a stepwise manner; conversely, high expression levels of the apoptosis-inducing gene p53 mRNA were not found in the early post-injection period (6 h) but emerged in the crest-time of liver apoptosis (24 h) and were maintained at this level until the late stage (48 h). We also observed that in 24 h-treated rats, caspase-3, -8, -9 and -12 were markedly activated by LPS/D-GalN challenge. These results suggest that a challenge with low-dose LPS in conjunction with D-GalN can induce nonlethal but marked liver failure, the main morphological feature of which is hepatic apoptosis, which may be associated with a high expression of inducible (i)NOS (early post-injection period) and p53 genes (in the mid and late stages) and at least three apoptosis pathways participate in the pathogenesis.
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Affiliation(s)
- Liang-Ming Liu
- Department of Gastroenterology, Second Affiliated Hospital, Nanchang University, Nanchang, Jiangxi Province, China
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Zhang P, Fan XG, Zhang BX, Zhong BY. Optimization of mouse model of fulminant hepatic failure by factorial experiment. Shijie Huaren Xiaohua Zazhi 2007; 15:1141-1145. [DOI: 10.11569/wcjd.v15.i10.1141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
AIM: To establish a stable and effective mouse model of fulminant hepatic failure (FHF) induced by D-galactosamine (D-GalN) and lipopolysaccharide (LPS).
METHODS: Two factors, attacking dosages of D-GalN and LP, influencing the success of modeling were chosen by factorial experiment. Three dosages of two factors were injected into the peritoneal cavity of mice and the death rate within 24 h was calculated. Liver function and liver histopathological changes were also detected.
RESULTS: Two administration projects were chosen: 600 mg/kg D-GalN combined with 0.5 mg/kg LPS, or 800 mg/kg D-GalN combined with 0.04 mg/kg LPS. The death rates were affected by D-GalN and LPS in dose-dependent manner (F = 36.878, P = 0.000; F = 32.386, P = 0.000). There are interaction between D-GalN and LPS (F = 5.226, P = 0.005), and the combinatory administration of D-GalN and LPS increased the death rates of mice obviously.
CONCLUSION: The standard model of mouse FHF can be established successfully using factorial experiment.
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Kagan V, Tyurina Y, Bayir H, Chu C, Kapralov A, Vlasova I, Belikova N, Tyurin V, Amoscato A, Epperly M, Greenberger J, DeKosky S, Shvedova A, Jiang J. The “pro-apoptotic genies” get out of mitochondria: Oxidative lipidomics and redox activity of cytochrome c/cardiolipin complexes. Chem Biol Interact 2006; 163:15-28. [DOI: 10.1016/j.cbi.2006.04.019] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2006] [Revised: 04/26/2006] [Accepted: 04/28/2006] [Indexed: 01/13/2023]
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Yi AK, Yoon H, Park JE, Kim BS, Kim HJ, Martinez-Hernandez A. CpG DNA-mediated Induction of Acute Liver Injury in d-Galactosamine-sensitized Mice. J Biol Chem 2006; 281:15001-12. [PMID: 16554296 DOI: 10.1074/jbc.m601337200] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Unmethylated CpG motifs present in bacterial DNA (CpG DNA) induce innate inflammatory responses, including rapid induction of proinflammatory cytokines. Although innate inflammatory responses induced by CpG DNA and other pathogen-associated molecular patterns are essential for the eradication of infectious microorganisms, excessive activation of innate immunity is detrimental to the host. In this study, we demonstrate that CpG DNA, but not control non-CpG DNA, induces a fulminant liver failure with subsequent shock-mediated death by promoting massive apoptotic death of hepatocytes in D-galactosamine (D-GalN)-sensitized mice. Inhibition of mitochondrial membrane permeability transition pore opening or caspase 9 activity in vivo protects D-GalN-sensitized mice from the CpG DNA-mediated liver injury and death. CpG DNA enhanced production of proinflammatory cytokines in D-GalN-sensitized mice via a TLR9/MyD88-dependent pathway. In addition, CpG DNA failed to induce massive hepatocyte apoptosis and subsequent fulminant liver failure and death in D-GalN-sensitized mice that lack TLR9, MyD88, tumor necrosis factor (TNF)-alpha, or TNF receptor I but not interleukin-6 or -12p40. Taken together, our results provide direct evidence that CpG DNA induces a severe acute liver injury and shock-mediated death through the mitochondrial apoptotic pathway-dependent death of hepatocytes caused by an enhanced production of TNF-alpha through a TLR9/MyD88 signaling pathway in D-GalN-sensitized mice.
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Affiliation(s)
- Ae-Kyung Yi
- Children's Foundation Research Center at Le Bonheur Children's Medical Center and the Department of Pediatrics, University of Tennessee Health Science Center, 50 N. Dunlap Street, Memphis, TN 38103, USA.
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Fortunato F, Deng X, Gates LK, McClain CJ, Bimmler D, Graf R, Whitcomb DC. Pancreatic response to endotoxin after chronic alcohol exposure: switch from apoptosis to necrosis? Am J Physiol Gastrointest Liver Physiol 2006; 290:G232-41. [PMID: 15976389 DOI: 10.1152/ajpgi.00040.2005] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Chronic alcohol consumption is known to increase the susceptibility to acute and chronic pancreatitis, and it is likely that a cofactor is required to initiate the progression to alcoholic pancreatitis. The severity and complications of alcoholic and nonalcoholic acute pancreatitis may be influenced by a number of cofactors, including endotoxemia. To explore the effect of a possible cofactor, we used endotoxin [lipopolysaccharide (LPS)] as a tool to induce cellular injury in the alcoholic pancreas. Single, increasing doses of endotoxin were injected in rats fed an alcohol or control diet and killed 24 h after the injection. We examined the mechanism by which LPS exacerbates pancreatic injury in alcohol-fed rats and whether the injury is associated with apoptosis or necrosis. We showed that chronic alcohol exposure alone inhibits apoptosis through the intrinsic pathway and the downstream apoptosis executor caspase-3 compared with the controls. Pancreatic necrosis and inflammation increased after LPS injection in control and alcohol-fed rats in a dose-dependent fashion but with a significantly greater response in the alcohol-fed animals. Caspase activities and TdT-mediated dUTP nick-end labeling positivity were lower in the alcoholic pancreas injected with LPS, whereas the histopathology and inflammation were more severe compared with the control-fed animals. Assessment of a putative indicator of necrosis, the ratio of ADP to ATP, indicated that alcohol exposure accelerates pancreatic necrosis in response to endotoxin. These findings suggest that the pancreas exposed to alcohol is more sensitive to LPS-induced damage because of increased sensitivity to necrotic cell death rather than apoptotic cell death. Similar to the liver, the pancreas is capable of responding to LPS with a more severe response in alcohol-fed animals, favoring pancreatic necrosis rather than apoptosis. We speculate that this mechanism may occur in acute alcoholic pancreatitis patients.
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Affiliation(s)
- Franco Fortunato
- University Hospital Zurich, Department of Visceral and Transplantation Surgery, Sternwartstrasse 14, CH-8091 Zurich, Switzerland.
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