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Zhang Q, Tian L, Hu Y, Jiang W, Wang X, Chen L, Cheng S, Ying J, Jiang B, Zhang L. Aristolochic acid I aggravates oxidative stress-mediated apoptosis by inhibiting APE1/Nrf2/HO-1 signaling. Toxicol Mech Methods 2024; 34:20-31. [PMID: 37621060 DOI: 10.1080/15376516.2023.2250429] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 08/16/2023] [Accepted: 08/16/2023] [Indexed: 08/26/2023]
Abstract
Nephrotoxicity induced by aristolochic acid I (AAI) is related to redox stress and apoptosis. Apurinic/apyrimidine endonuclease 1 (APE1) has antioxidant and anti-apoptotic effects. This study investigated the potential role of APE1 in AAI-induced nephrotoxicity. Renal injury was successfully induced in C57BL/6J mice by intraperitoneal injection of AAI every other day for 28 days. Expressions of APE1, nuclear factor erythroid 2-related factor 2 (Nrf2), and heme oxygenase 1 (HO-1) in renal tissues of the model mice was inhibited, accompanied by oxidative damage and apoptosis. Similar results were obtained in vitro in human proximal tubular (HK-2) cells damaged by AAI. In the presence of a low concentration of the APE1 inhibitor E3330, expression of Nrf2 and HO-1 proteins in HK-2 cells was decreased and AAI-induced apoptosis was aggravated. Overexpression of APE1 in HK-2 cells promoted the expression of Nrf2 and HO-1, and alleviated apoptosis and renal injury induced by AAI. The collective findings demonstrate that AAI can inhibit the induction of oxidative stress and apoptosis by the APE1/Nrf2/HO-1 axis, leading to AAI renal injury. Targeting APE1 may be an effective therapeutic strategy to treat AA nephrotoxicity.
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Affiliation(s)
- Qi Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Lei Tian
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
- Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, China
| | - Yongkang Hu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Wenjuan Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Xian Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Langqun Chen
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Siyu Cheng
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Jiahui Ying
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Baoping Jiang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
| | - Liang Zhang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, China
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Aguilar EC, Fernandes-Braga W, Leocádio PCL, Campos GP, Lemos VS, de Oliveira RP, Caetano de Faria AM, Dos Santos Aggum Capettini L, Alvarez-Leite JI. Dietary gluten worsens hepatic steatosis by increasing inflammation and oxidative stress in ApoE-/- mice fed a high-fat diet. Food Funct 2023; 14:3332-3347. [PMID: 36940107 DOI: 10.1039/d3fo00149k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disorder in the world. We have seen that gluten intake exacerbated obesity and atherosclerosis in apolipoprotein E knockout (ApoE-/-) mice. In this study, we investigated the effect of gluten consumption on inflammation and oxidative stress in the liver of mice with NAFLD. Male ApoE-/- mice were fed a gluten-free (GF-HFD) or gluten-containing (G-HFD) high-fat diet for 10 weeks. Blood, liver, and spleen were collected to perform the analyses. The animals of the gluten group had increased hepatic steatosis, followed by increased serum AST and ALT. Gluten intake increased hepatic infiltration of neutrophils, macrophages, and eosinophils, as well as the levels of chemotaxis-related factors CCL2, Cxcl2, and Cxcr3. The production of the TNF, IL-1β, IFNγ, and IL-4 cytokines in the liver was also increased by gluten intake. Furthermore, gluten exacerbated the hepatic lipid peroxidation and nitrotyrosine deposition, which were associated with increased production of ROS and nitric oxide. These effects were related to increased expression of NADPH oxidase and iNOS, as well as decreased activity of superoxide dismutase and catalase enzymes. There was an increased hepatic expression of the NF-κB and AP1 transcription factors, corroborating the worsening effect of gluten on inflammation and oxidative stress. Finally, we found an increased frequency of CD4+FOXP3+ lymphocytes in the spleen and increased gene expression of Foxp3 in the livers of the G-HFD group. In conclusion, dietary gluten aggravates NAFLD, exacerbating hepatic inflammation and oxidative stress in obese ApoE-deficient mice.
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Affiliation(s)
- Edenil Costa Aguilar
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais/UFMG, Caixa Postal 486, 30161-970 Belo Horizonte, Brazil.
| | - Weslley Fernandes-Braga
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais/UFMG, Caixa Postal 486, 30161-970 Belo Horizonte, Brazil. .,Precision Immunology Institute at the Icahn School of Medicine at Mount Sinai, New York, USA
| | - Paola Caroline Lacerda Leocádio
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais/UFMG, Caixa Postal 486, 30161-970 Belo Horizonte, Brazil.
| | - Gianne Paul Campos
- Department of Pharmacology, Federal University of Minas Gerais, Belo Horizonte, Brazil.
| | - Virginia Soares Lemos
- Department of Physiology and Biophysics, Federal University of Minas Gerais, Belo Horizonte, Brazil.
| | | | - Ana Maria Caetano de Faria
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais/UFMG, Caixa Postal 486, 30161-970 Belo Horizonte, Brazil.
| | | | - Jacqueline I Alvarez-Leite
- Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais/UFMG, Caixa Postal 486, 30161-970 Belo Horizonte, Brazil.
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Kaur S, Garg N, Rubal R, Dhiman M. Correlative study on heavy metal-induced oxidative stress and hypertension among the rural population of Malwa Region of Punjab, India. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:90948-90963. [PMID: 35881282 DOI: 10.1007/s11356-022-20850-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Accepted: 05/11/2022] [Indexed: 06/15/2023]
Abstract
Heavy metal-induced toxicity contributes to the progression of various metabolic disorders and possible mechanisms involved in disease progression are not well established. In this study, the correlation of heavy metal exposure and hypertension have been demonstrated. The results showed that in hypertensive subjects, the lipid profiles (triglycerides, LDL-C, HDL-C, and total cholesterol) and cardiac markers (CK-MB and LDH) were altered abruptly. As a consequence of heavy- induced oxidative stress, the oxidants (TBARS and protein carbonyls) and antioxidants (SOD, GSH, and TAC) were significantly increased and decreased, respectively in hypertension subjects. The concentrations of heavy metals (Pb, Cd, and As) exceeded the permissible limits in hypertensive subjects. The Nrf-2 genotyping indicated that heavy metals may induce mutations at molecular level. The results of correlation analysis revealed that the heavy metals interact with cellular components and interfere with metabolic processes which then results in disturbed lipid profile, enhanced oxidative stress, and reduced antioxidant status. The current study systematically estimated the association of hair and nail heavy metal concentrations with hypertension among the population residing in the Malwa region of Punjab. The proposed study highlighted that heavy metals act as a silent risk factor in the hypertension progression in the population of Malwa region. Future studies are required to confirm current findings and further scrutinize the effect of heavy metals exposure in early adulthood, early, and late mid-life to develop metabolic complications such as hypertension.
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Affiliation(s)
- Sukhchain Kaur
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Neha Garg
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Rubal Rubal
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, India
| | - Monisha Dhiman
- Department of Microbiology, School of Basic Sciences, Central University of Punjab, Bathinda, Punjab, India.
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