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Somsuan K, Aluksanasuwan S, Woottisin S, Chiangjong W, Wanta A, Munkong N, Jaidee W, Praman S, Fuangfoo K, Morchang A, Kamsrijai U, Woottisin N, Rujanapun N, Charoensup R. Mathurameha ameliorates cardiovascular complications in high-fat diet/low-dose streptozotocin-induced type 2 diabetic rats: insights from histological and proteomic analysis. J Mol Histol 2024:10.1007/s10735-024-10258-6. [PMID: 39227510 DOI: 10.1007/s10735-024-10258-6] [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: 06/30/2024] [Accepted: 08/27/2024] [Indexed: 09/05/2024]
Abstract
Type 2 diabetes mellitus (T2DM) is a global health concern with increasing prevalence. Mathurameha, a Thai herbal formula, has shown promising glucose-lowering effects and positive impacts on biochemical profiles in diabetic rats. The present study investigated the protective effects of Mathurameha on cardiovascular complications in high-fat diet/streptozotocin (HFD/STZ)-induced type 2 diabetic rats using histological and proteomic analyses. Thirty-five male Sprague-Dawley rats were divided into seven groups: normal diet (ND), ND with aqueous extract (ND + AE450), ND with ethanolic extract (ND + EE200), diabetes (DM), DM with AE (DM + AE450), DM with EE (DM + EE200), and DM with metformin (DM + Met). Mathurameha, especially at 200 mg/kg EE, significantly reduced adipocyte size, cardiac and vascular abnormalities, collagen deposition, and arterial wall thickness in DM rats. Proteomic analysis of rat aortas revealed 30 significantly altered proteins among the ND, DM, and DM + EE200 groups. These altered proteins are involved in various biological processes related to diabetes. Biochemical assays showed that Mathurameha reduced lipid peroxidation (MDA), increased antioxidant levels (GSH), and decreased the expression of inflammatory markers (ICAM1, TNF-α). In conclusion, Mathurameha exhibited significant protective effects against cardiovascular complications in HFD/STZ-induced type 2 diabetic rats through its antioxidant and anti-inflammatory properties.
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Affiliation(s)
- Keerakarn Somsuan
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand.
- Cancer and Immunology Research Unit (CIRU), Mae Fah Luang University, Chiang Rai, 57100, Thailand.
| | - Siripat Aluksanasuwan
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
- Cancer and Immunology Research Unit (CIRU), Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Surachet Woottisin
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
| | - Wararat Chiangjong
- Pediatric Translational Research Unit, Department of Pediatrics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, 10400, Thailand
| | - Arunothai Wanta
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
- Cancer and Immunology Research Unit (CIRU), Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Narongsuk Munkong
- Department of Pathology, School of Medicine, University of Phayao, Phayao, 56000, Thailand
| | - Wuttichai Jaidee
- Medicinal Plants Innovation Center of Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Siwaporn Praman
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
| | - Kawita Fuangfoo
- Medicinal Plants Innovation Center of Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Atthapan Morchang
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
- Cancer and Immunology Research Unit (CIRU), Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Utcharaporn Kamsrijai
- School of Medicine, Mae Fah Luang University, 365 Moo 12, Nang Lae, Mueang Chiang Rai District, Chiang Rai, 57100, Thailand
| | - Nanthakarn Woottisin
- School of Integrative Medicine, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Narawadee Rujanapun
- Medicinal Plants Innovation Center of Mae Fah Luang University, Chiang Rai, 57100, Thailand
- School of Integrative Medicine, Mae Fah Luang University, Chiang Rai, 57100, Thailand
| | - Rawiwan Charoensup
- Medicinal Plants Innovation Center of Mae Fah Luang University, Chiang Rai, 57100, Thailand
- School of Integrative Medicine, Mae Fah Luang University, Chiang Rai, 57100, Thailand
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Xu T, Pan Y, Ding Q, Cao F, Chang K, Qiu J, Zhuge H, Hao L, Wei H, Si C, Dou X, Li S. The micro-743a-3p-GSTM1 pathway is an endogenous protective mechanism against alcohol-related liver disease in mice. Cell Mol Biol Lett 2024; 29:35. [PMID: 38475733 DOI: 10.1186/s11658-024-00557-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
BACKGROUND AND AIMS Epidemiological evidence suggests that the phenotype of glutathione S-transferase mu 1 (GSTM1), a hepatic high-expressed phase II detoxification enzyme, is closely associated with the incidence of alcohol-related liver disease (ALD). However, whether and how hepatic GSTM1 determines the development of ALD is largely unclear. This study was designed to elucidate the role and potential mechanism(s) of hepatic GSTM1 in the pathological process of ALD. METHODS GSTM1 was detected in the liver of various ALD mice models and cultured hepatocytes. Liver-specific GSTM1 or/and micro (miR)-743a-3p deficiency mice were generated by adenoassociated virus-8 delivered shRNA, respectively. The potential signal pathways involving in alcohol-regulated GSTM1 and GSTM1-associated ALD were explored via both genetic manipulation and pharmacological approaches. RESULTS GSTM1 was significantly upregulated in both chronic alcohol-induced mice liver and ethanol-exposed murine primary hepatocytes. Alcohol-reduced miR-743a-3p directly contributed to the upregulation of GSTM1, since liver specific silencing miR-743a-3p enhanced GSTM1 and miR-743a-3p loss protected alcohol-induced liver dysfunctions, which was significantly blocked by GSTM1 knockdown. GSTM1 loss robustly aggravated alcohol-induced hepatic steatosis, oxidative stress, inflammation, and early fibrotic-like changes, which was associated with the activation of apoptosis signal-regulating kinase 1 (ASK1), c-Jun N-terminal kinase (JNK), and p38. GSTM1 antagonized ASK1 phosphorylation and its downstream JNK/p38 signaling pathway upon chronic alcohol consumption via binding with ASK1. ASK1 blockage significantly rescued hepatic GSTM1 loss-enhanced disorders in alcohol-fed mice liver. CONCLUSIONS Chronic alcohol consumption-induced upregulation of GSTM1 in the liver provides a feedback protection against hepatic steatosis and liver injury by counteracting ASK1 activation. Down-regulation of miR-743a-3p improves alcohol intake-induced hepatic steatosis and liver injury via direct targeting on GSTM1. The miR-743a-3p-GSTM1 axis functions as an innate protective pathway to defend the early stage of ALD.
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Affiliation(s)
- Tiantian Xu
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Yan Pan
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Qinchao Ding
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Feiwei Cao
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Kaixin Chang
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Jiannan Qiu
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Hui Zhuge
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Liuyi Hao
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Haibin Wei
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Caijuan Si
- Department of Clinical Nutrition, School of Medicine, Affiliated Zhejiang Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xiaobing Dou
- School of Life Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China
| | - Songtao Li
- School of Public Health, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, People's Republic of China.
- Department of Clinical Nutrition, School of Medicine, Affiliated Zhejiang Hospital, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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Biswal MR, Paulson RJ, Vichare R, Lewin AS. Buspirone Enhances Cell Survival and Preserves Structural Integrity during Oxidative Injury to the Retinal Pigment Epithelium. Antioxidants (Basel) 2023; 12:2129. [PMID: 38136248 PMCID: PMC10740916 DOI: 10.3390/antiox12122129] [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: 10/25/2023] [Revised: 12/03/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
Chronic oxidative stress impairs the normal functioning of the retinal pigment epithelium (RPE), leading to atrophy of this cell layer in cases of advance age-related macular degeneration (AMD). The purpose of our study was to determine if buspirone, a partial serotonin 1A (5-HT1A) receptor agonist, protected against oxidative stress-induced changes in the RPE. We exposed differentiated human ARPE-19 cells to paraquat to induce oxidative damage in culture, and utilized a mouse model with sodium iodate (NaIO3)-induced oxidative injury to evaluate the effect of buspirone. To investigate buspirone's effect on protective gene expression, we performed RT-PCR. Cellular toxicities and junctional abnormalities due to paraquat induction in ARPE-19 cells and buspirone's impact were assessed via WST-1 assays and ZO-1 immunostaining. We used spectral-domain optical coherence tomography (SD-OCT) and ZO-1 immunostaining of RPE/choroid for structural analysis. WST-1 assays showed dose-dependent protection of viability in buspirone-treated ARPE-19 cells in culture and preservation of RPE junctional integrity under oxidative stress conditions. In the NaIO3 model, daily intraperitoneal injection (i.p.) of buspirone (30 mg/kg) for 12 days improved the survival of photoreceptors compared to those of vehicle-treated eyes. ZO-1-stained RPE flat-mounts revealed the structural preservation of RPE from oxidative damage in buspirone-treated mice, as well as in buspirone-induced Nqo1, Cat, Sqstm1, Gstm1, and Sod2 genes in the RPE/choroid compared to untreated eyes. Since oxidative stress is implicated in the pathogenesis AMD, repurposing buspirone, which is currently approved for the treatment of anxiety, might be useful in treating or preventing dry AMD.
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Affiliation(s)
- Manas R. Biswal
- Department of Pharmaceutical Sciences, USF Taneja College of Pharmacy, Tampa, FL 33612, USA (R.V.)
| | - Ryan J. Paulson
- Department of Pharmaceutical Sciences, USF Taneja College of Pharmacy, Tampa, FL 33612, USA (R.V.)
| | - Riddhi Vichare
- Department of Pharmaceutical Sciences, USF Taneja College of Pharmacy, Tampa, FL 33612, USA (R.V.)
| | - Alfred S. Lewin
- Department of Molecular Genetics & Microbiology, College of Medicine, University of Florida, Gainesville, FL 32603, USA;
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Pan X, Jia Z, Zhen R, Yue L, Niu S, Ban J, Chen S. Mechanisms of Small Intestine Involvement in Obesity-Induced Atherosclerosis. Diabetes Metab Syndr Obes 2023; 16:1941-1952. [PMID: 37405318 PMCID: PMC10315150 DOI: 10.2147/dmso.s421650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 06/21/2023] [Indexed: 07/06/2023] Open
Abstract
Purpose Studies have shown that atherosclerotic plaques are associated with changes in the microbial composition of the intestinal flora and obesity, and that the small intestine plays an irreplaceable role in regulating intestinal flora homeostasis, but the role of the small intestine in the development of obesity-related atherosclerosis remains understudied. Therefore, this study explores the role of the small intestine in obesity-induced atherosclerosis and its molecular mechanisms. Methods In the GSE59054 data, small intestine tissue samples from 3 normal and 3 obese mice were analyzed using bioinformatics methods. Screening for differentially expressed genes (DEGs) using the GEO2R tool. The DEGs were next processed for bioinformatics analysis. We constructed an obese mouse model and measured aortic arch pulse wave velocity (PWV). Aortic and small intestine tissues were stained with hematoxylin-eosin (HE) to observe pathological changes. Finally, immunohistochemistry was performed to verify the expression of small intestinal proteins. Results We identified a total of 122 DEGs. Pathway analysis revealed that BMP4, CDH5, IL1A, NQO1, GSTM1, GSTA3, CAV1 and MGST2 were mainly enriched in the Fluid shear stress and atherosclerosis pathway. In addition, BMP4, NQO1 and GSTM1 are closely related to atherosclerosis. Ultrasound and pathological findings suggest the presence of obesity atherosclerosis. Immunohistochemistry verified high expression of BMP4 and low expression of NQO1 and GSTM1 in obese small intestine tissues. Conclusion The altered expression of BMP4, NQO1 and GSTM1 in small intestine tissues during obesity may be related to atherosclerosis, and Fluid shear stress and atherosclerosis pathway may be the molecular mechanism of their role.
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Affiliation(s)
- Xiaoyu Pan
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, People’s Republic of China
| | - Zhuoya Jia
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, People’s Republic of China
| | - Ruoxi Zhen
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, People’s Republic of China
| | - Lin Yue
- Department of Endocrinology, The Third Hospital of Shijiazhuang, Shijiazhuang, Hebei, People’s Republic of China
| | - Shu Niu
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
- Department of Endocrinology, Shijiazhuang People’s Hospital, Shijiazhuang, Hebei, People’s Republic of China
| | - Jiangli Ban
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, People’s Republic of China
| | - Shuchun Chen
- Department of Internal Medicine, Hebei Medical University, Shijiazhuang, Hebei, People’s Republic of China
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, People’s Republic of China
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Levy R, Le TH. Role of GSTM1 in Hypertension, CKD, and Related Diseases across the Life Span. KIDNEY360 2022; 3:2153-2163. [PMID: 36591365 PMCID: PMC9802555 DOI: 10.34067/kid.0004552022] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 10/17/2022] [Indexed: 12/31/2022]
Abstract
Over 20 years after the introduction of angiotensin-converting enzyme inhibitors and angiotensin receptor blockers, CKD remains a major public health burden with limited therapeutic options to halt or slow kidney disease progression at all ages. The consensus is that oxidative stress contributes to CKD development and progression. Yet, to date, there is no clear evidence that broad use of antioxidant therapy provides a beneficial effect in CKD. Understanding the specific pathophysiologic mechanisms in those who are genetically most susceptible to oxidative stress is a crucial step to inform therapy in an individualized medicine approach, considering differing exposures and risks across the life span. Glutathione-S-transferase μ 1 (GSTM1) is a phase 2 enzyme involved in inactivation of reactive oxygen species and metabolism of xenobiotics. In particular, those with the highly prevalent GSTM1 null genotype (GSTM1[0/0]) may be more susceptible to kidney disease progression, due to impaired capacity to handle the increased oxidative stress burden in disease states, and might specifically benefit from therapy that targets the redox imbalance mediated by loss of the GSTM1 enzyme. In this review, we will discuss the studies implicating the role of GSTM1 deficiency in kidney and related diseases from experimental rodent models to humans, from the prenatal period through senescence, and the potential underlying mechanism.
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Affiliation(s)
- Rebecca Levy
- Division of Nephrology, Department of Medicine, University of Rochester Medical Center, Rochester, New York
| | - Thu H. Le
- Division of Nephrology, Department of Medicine, University of Rochester Medical Center, Rochester, New York
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Levy RV, Reidy KJ, Le TH, David V, Winkler C, Xu Y, Warady B, Furth S, Kaskel F, Melamed ML. Association of GSTM1 Deletion With Progression of CKD in Children: Findings From the Chronic Kidney Disease in Children (CKiD) Study. Am J Kidney Dis 2022; 80:79-86. [PMID: 34871703 PMCID: PMC9166174 DOI: 10.1053/j.ajkd.2021.10.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Accepted: 10/14/2021] [Indexed: 11/11/2022]
Abstract
RATIONALE & OBJECTIVE Loss of function of the product of the GSTM1 gene has been implicated in rapid progression of adult chronic kidney disease (CKD). Its role in pediatric CKD has not been previously described. STUDY DESIGN Secondary analysis of a prospective observational cohort examining the association between deletions in GSTM1 and progression of CKD. SETTING & PARTICIPANTS We used data and samples from the prospective Chronic Kidney Disease in Children (CKiD) cohort aged 1-16 years at enrollment with CKD. EXPOSURE We defined the exposure as fewer than 2 GSTM1 alleles on real-time polymerase chain reaction amplification. OUTCOME The primary outcome was a composite of 50% decrease in estimated glomerular filtration rate (eGFR) or start of kidney replacement therapy. Secondary outcomes included remission of proteinuria in children with glomerular disease and cardiovascular complications. ANALYTICAL APPROACH The primary analysis was by Cox proportional hazards model. Analysis was adjusted for age, sex, race, ethnicity, body mass index category, diagnosis category, and eGFR. RESULTS The analysis included 674 children. Their mean age at most recent visit was 11.9 years; 61% were male, and 20% were Black. There were 241 occurrences of the primary outcome at the time of analysis. After adjustment for baseline characteristics, the risk of progression of CKD for exposed children was 1.94 (95% CI, 1.27-2.97). The effect size was similar with either 1 or 2 deletions (autosomal dominant inheritance). The relationships between number of functional GSTM1 alleles and prespecified secondary outcomes were not statistically significant after adjustment. LIMITATIONS Missing data, especially for secondary outcomes, and relatively small sample size compared to genetic studies in adults. CONCLUSIONS GSTM1 deletion is associated with more rapid progression of pediatric CKD after adjustment in this large prospective cohort. No statistically significant associations were seen with secondary outcomes. If replicated, these findings may inform development of interventions for CKD in children.
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Affiliation(s)
- Rebecca V Levy
- Department of Medicine, Division of Nephrology, School of Medicine and Dentistry, University of Rochester, Rochester, New York.
| | - Kimberly J Reidy
- Department of Pediatrics, Division of Pediatric Nephrology, Montefiore Medical Center, Bronx, New York
| | - Thu H Le
- Department of Medicine, Division of Nephrology, School of Medicine and Dentistry, University of Rochester, Rochester, New York
| | - Victor David
- Basic Science Laboratory, Center for Cancer Research, Frederick National Laboratory, Frederick, Maryland
| | - Cheryl Winkler
- Basic Science Laboratory, Center for Cancer Research, Frederick National Laboratory, Frederick, Maryland
| | - Yunwen Xu
- Department of Epidemiology, School of Public Health, Johns Hopkins University, Baltimore, Maryland
| | - Bradley Warady
- Department of Pediatrics, Division of Pediatric Nephrology, Children's Mercy, Kansas City, Missouri
| | - Susan Furth
- Department of Pediatrics, Perelman School of Medicine at the University of Pennsylvania and the Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
| | - Frederick Kaskel
- Department of Pediatrics, Division of Pediatric Nephrology, Montefiore Medical Center, Bronx, New York
| | - Michal L Melamed
- Department of Medicine, Division of Nephrology, Albert Einstein College of Medicine, Bronx, New York
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Zhang Y, Huang Y, Chen R, Chen S, Lü X. The interaction mechanism of nickel ions with L929 cells based on integrative analysis of proteomics and metabolomics data. Regen Biomater 2022; 9:rbac040. [PMID: 35812349 PMCID: PMC9258689 DOI: 10.1093/rb/rbac040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/18/2022] [Accepted: 05/28/2022] [Indexed: 11/14/2022] Open
Abstract
Abstract
The aim of this paper was to study the toxicity mechanism of nickel ions (Ni2+) on L929 cells by combining proteomics and metabolomics. First, iTRAQ-based proteomics and LC/MS metabolomics analyses were used to determine the protein and metabolite expression profiles in L929 cells after treatment with 100 μM Ni2+ for 12, 24 and 48 h. A total of 177, 2191 and 2109 proteins and 40, 60 and 74 metabolites were found to be differentially expressed. Then, the metabolic pathways in which both differentially expressed proteins and metabolites were involved were identified, and three pathways with proteins and metabolites showing upstream and downstream relationships were affected at all three time points. Furthermore, the protein-metabolite-metabolic pathway network was constructed, and two important metabolic pathways involving 4 metabolites and 17 proteins were identified. Finally, the functions of the important screened metabolic pathways, metabolites and proteins were investigated and experimentally verified. Ni2+ mainly affected the expression of upstream proteins in the glutathione metabolic pathway and the arginine and proline metabolic pathway, which further regulated the synthesis of downstream metabolites, reduced the antioxidant capacity of cells, increased the level of superoxide anions and the ratio of GSSG to GSH, led to oxidative stress, affected energy metabolism and induced apoptosis.
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Affiliation(s)
- Yajing Zhang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University , 2# Si Pailou, Nanjing 210096, China
| | - Yan Huang
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University , 2# Si Pailou, Nanjing 210096, China
| | - Rong Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University , 2# Si Pailou, Nanjing 210096, China
| | - Shulin Chen
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University , 2# Si Pailou, Nanjing 210096, China
| | - Xiaoying Lü
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University , 2# Si Pailou, Nanjing 210096, China
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Le TH. GSTM1 Gene, Diet, and Kidney Disease: Implication for Precision Medicine?: Recent Advances in Hypertension. Hypertension 2021; 78:936-945. [PMID: 34455814 DOI: 10.1161/hypertensionaha.121.16510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
In the United States, the prevalence of chronic kidney disease in adults is ≈14%. The mainstay of therapy for chronic kidney disease is angiotensin-converting enzyme inhibitors or angiotensin receptor blockers, but many patients with chronic kidney disease still progress to end-stage kidney disease. Increased oxidative stress is a major molecular underpinning of chronic kidney disease progression. In humans, a common deletion variant of the glutathione-S-transferase μ-1 (GSTM1) gene, the GSTM1 null allele (GSTM1(0)), results in decreased GSTM1 enzymatic activity and is associated with higher levels of oxidative stress. GSTM1 belongs to the superfamily of GSTs that are phase II antioxidant enzymes and are regulated by Nrf2 (nuclear factor erythroid 2-related factor 2). Cruciferous vegetables in general, and broccoli in particular, are rich in glucoraphanin, a precursor of sulforaphane that has been shown to have protective effects against oxidative damage through the activation of Nrf2. This review will highlight recent human and animal studies implicating the role of GSTM1 deficiency in hypertension and kidney disease, and its impact on the effects of cruciferous vegetables on kidney injury and disease progression, illustrating the significance of gene and environment interaction and a potential for targeted precision medicine in the treatment of kidney disease.
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Affiliation(s)
- Thu H Le
- Division of Nephrology, Department of Medicine, University of Rochester Medical Center, NY
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Zhang R, Zuo Y, Cao S. Upregulated microRNA-423-5p promotes oxidative stress through targeting glutathione S-transferase mu 1 in asthenozoospermia. Mol Reprod Dev 2021; 88:158-166. [PMID: 33507590 DOI: 10.1002/mrd.23454] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 12/25/2020] [Accepted: 01/13/2021] [Indexed: 12/17/2022]
Abstract
The dysregulation of microRNAs (miRNAs) plays an important role in asthenozoospermia. This study evaluated the sperm microRNA-423-5p (miR-423-5p) expression in asthenozoospermia and normozoospermia, exploring the role of miR-423-5p in asthenozoospermia. Eighty participants were divided into asthenozoospermic (AZS, n = 40) and normozoospermic (Norm, n = 40) groups. Fresh semen samples were collected and the sperm cells were separated. Quantitative Real-Time polymerase chain reaction was used to measure the sperm miR-423-5p level. Receiver operating characteristic curve (ROC) was employed to test the diagnostic performance of miR-423-5p in asthenospermia. Dual-reporter luciferase assay was adopted to confirm the target gene of miR-423-5p. The target gene level in asthenozoospermia and normozoospermia was measured, and the biological function of target gene in asthenozoospermia was evaluated. Results showed that the miR-423-5p expression level in the AZS group was higher than that in Norm group, which was positively correlated with the severity of asthenozoospermia. ROC analysis of miR-423-5p showed an area under curve (AUC) of 0.69 (95% confidence interval = 0.57-0.80, p <0 .01), with 80% sensitivity and 60% specificity. Glutathione S-transferase mu 1 (GSTM1) is a target gene of miR-423-5p, which significantly decreased in the AZS group. Compared with Norm group, glutathione S-transferase (GST) activity and total antioxidant capacity (TAC) level decreased, while malondialdehyde (MDA) level increased in the AZS group. Furthermore, GST activity and TAC level were negatively correlated with miR-423-5p expression, while MDA level was positively correlated with miR-423-5p expression. In conclusion, the sperm miR-423-5p level significantly was upregulated in asthenozoospermia. High-level miR-423-5p inhibited sperm motility through targeting GSTM1 to promote oxidative stress.
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Affiliation(s)
- Rongxue Zhang
- Center of Reproductive Medicine, Huai'an Maternity and Child Health Care Center, Huai'an, China
| | - Yanghua Zuo
- Center of Reproductive Medicine, Huai'an Maternity and Child Health Care Center, Huai'an, China
| | - Senyang Cao
- Center of Reproductive Medicine, Huai'an Maternity and Child Health Care Center, Huai'an, China
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Jerotic D, Suvakov S, Matic M, Alqudah A, Grieve DJ, Pljesa-Ercegovac M, Savic-Radojevic A, Damjanovic T, Dimkovic N, McClements L, Simic T. GSTM1 Modulates Expression of Endothelial Adhesion Molecules in Uremic Milieu. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6678924. [PMID: 33574979 PMCID: PMC7860968 DOI: 10.1155/2021/6678924] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 12/22/2020] [Accepted: 12/26/2020] [Indexed: 01/08/2023]
Abstract
Deletion polymorphism of glutathione S-transferase M1 (GSTM1), a phase II detoxification and antioxidant enzyme, increases susceptibility to end-stage renal disease (ESRD) as well as the development of cardiovascular diseases (CVD) among ESRD patients and leads to their shorter cardiovascular survival. The mechanisms by which GSTM1 downregulation contributes to oxidative stress and inflammation in endothelial cells in uremic conditions have not been investigated so far. Therefore, the aim of the present study was to elucidate the effects of GSTM1 knockdown on oxidative stress and expression of a panel of inflammatory markers in human umbilical vein endothelial cells (HUVECs) exposed to uremic serum. Additionally, we aimed to discern whether GSTM1-null genotype is associated with serum levels of adhesion molecules in ESRD patients. HUVECs treated with uremic serum exhibited impaired redox balance characterized by enhanced lipid peroxidation and decreased antioxidant enzyme activities, independently of the GSTM1 knockdown. In response to uremic injury, HUVECs exhibited alteration in the expression of a series of inflammatory cytokines including retinol-binding protein 4 (RBP4), regulated on activation, normal T cell expressed and secreted (RANTES), C-reactive protein (CRP), angiogenin, dickkopf-1 (Dkk-1), and platelet factor 4 (PF4). GSTM1 knockdown in HUVECs showed upregulation of monocyte chemoattractant protein-1 (MCP-1), a cytokine involved in the regulation of monocyte migration and adhesion. These cells also have shown upregulated intracellular and vascular cell adhesion molecules (ICAM-1 and VCAM-1). In accordance with these findings, the levels of serum ICAM-1 and VCAM-1 (sICAM-1 and sVCAM-1) were increased in ESRD patients lacking GSTM1, in comparison with patients with the GSTM1-active genotype. Based on these results, it may be concluded that incubation of endothelial cells in uremic serum induces redox imbalance accompanied with altered expression of a series of cytokines involved in arteriosclerosis and atherosclerosis. The association of GSTM1 downregulation with the altered expression of adhesion molecules might be at least partly responsible for the increased susceptibility of ESRD patients to CVD.
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Affiliation(s)
- Djurdja Jerotic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Sonja Suvakov
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Division of Nephrology and Hypertension, Mayo Clinic, Rochester, MN, USA
| | - Marija Matic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Abdelrahim Alqudah
- Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmaceutical Sciences, The Hashemite University, P.O. Box 330127 Zarqa 13133, Jordan
- The Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
| | - David J. Grieve
- The Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
| | - Marija Pljesa-Ercegovac
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Ana Savic-Radojevic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Tatjana Damjanovic
- Clinical Department for Renal Diseases, Zvezdara University Medical Center, 11000 Belgrade, Serbia
| | - Nada Dimkovic
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Clinical Department for Renal Diseases, Zvezdara University Medical Center, 11000 Belgrade, Serbia
| | - Lana McClements
- The Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queen's University Belfast, Belfast, UK
- School of Life Sciences, Faculty of Science, University of Technology Sydney, 2007, NSW, Australia
| | - Tatjana Simic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
- Serbian Academy of Sciences and Arts, 11000 Belgrade, Serbia
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11
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Jahejo AR, Rajput N, Kashif J, Kalhoro DH, Niu S, Qiao ML, Zhang D, Qadir MF, Mangi RA, Khan A, Ahsan A, Khan A, Tian WX. Recombinant glutathione-S-transferase A3 protein regulates the angiogenesis-related genes of erythrocytes in thiram induced tibial lesions. Res Vet Sci 2020; 131:244-253. [PMID: 32438067 DOI: 10.1016/j.rvsc.2020.05.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022]
Abstract
Tibial dyschondroplasia (TD) is a skeletal deformity disease in broilers that occurs when vascularization in the growth plate (GP) is below normal. Although, blood vessels have been reported to contribute significantly in bone formation. Therefore, in the current study, we have examined the mRNA expression of angiogenesis-related genes in erythrocytes of thiram induced TD chickens by qRT-PCR and performed histopathological analysis to determine regulatory effect of recombinant Glutathione-S-Transferase A3 (rGSTA3) protein in response to the destructive effect of thiram following the injection of rGSTA3 protein. Histopathology results suggested that, blood vessels of GPs were damaged in thiram induced TD chicken group (D), it also affected the area and density of blood vessels. In the 20 and 50 μg·kg-1 of rGSTA3 protein-administered groups, E and F vessels appeared to be normal and improved on day 6 and 15. Furthermore, qRT-PCR results showed that rGSTA3 protein significantly (P < .05) up-regulated the expression of the most important angiogenesis-related integrin family genes ITGA2, ITGA5, ITGB2, ITGB3, ITGAV. The expression level of other genes including TBXA2R, FYN, IQGAP2, IL1R1, GIT1, RAP1B, RPL17, RAC2, MAML3, PTPN11, VAV1, PTCH1, NCOR2, CLU and ITGB3 up-regulated on dosage of rGSTA3 protein. In conclusion, angiogenesis is destroyed in thiram induced TD broilers, and rGSTA3 protein injection improved the vascularization of GPs by upregulating the angiogenesis related genes most importantly integrin family genes ITGAV, ITGA2, ITGB2, ITGB3, ITGA5.
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Affiliation(s)
- Ali Raza Jahejo
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Nasir Rajput
- Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University Tandojam, Sindh 70060, Pakistan
| | - Jam Kashif
- Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University Tandojam, Sindh 70060, Pakistan
| | - Dildar Hussain Kalhoro
- Faculty of Animal Husbandry and Veterinary Sciences, Sindh Agriculture University Tandojam, Sindh 70060, Pakistan
| | - Sheng Niu
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Meng-Li Qiao
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Ding Zhang
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Muhammad Farhan Qadir
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Raza Ali Mangi
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Afrasyab Khan
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Anam Ahsan
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Ajab Khan
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Wen-Xia Tian
- College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China.
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12
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Gomez SD, Bustos PS, Sánchez VG, Ortega MG, Guiñazú N. Trophoblast toxicity of the neonicotinoid insecticide acetamiprid and an acetamiprid-based formulation. Toxicology 2020; 431:152363. [DOI: 10.1016/j.tox.2020.152363] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 12/11/2019] [Accepted: 01/05/2020] [Indexed: 02/06/2023]
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13
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Gigliotti JC, Tin A, Pourafshar S, Cechova S, Wang YT, Sung SSJ, Bodonyi-Kovacs G, Cross JV, Yang G, Nguyen N, Chan F, Rebholz C, Yu B, Grove ML, Grams ME, Köttgen A, Scharpf R, Ruiz P, Boerwinkle E, Coresh J, Le TH. GSTM1 Deletion Exaggerates Kidney Injury in Experimental Mouse Models and Confers the Protective Effect of Cruciferous Vegetables in Mice and Humans. J Am Soc Nephrol 2020; 31:102-116. [PMID: 31727850 PMCID: PMC6935006 DOI: 10.1681/asn.2019050449] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 09/07/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND GSTM1 encodes glutathione S-transferase μ-1 (GSTM1), which belongs to a superfamily of phase 2 antioxidant enzymes. The highly prevalent GSTM1 deletion variant is associated with kidney disease progression in human cohorts: the African American Study of Kidney Disease and Hypertension and the Atherosclerosis Risk in Communities (ARIC) Study. METHODS We generated a Gstm1 knockout mouse line to study its role in a CKD model (involving subtotal nephrectomy) and a hypertension model (induced by angiotensin II). We examined the effect of intake of cruciferous vegetables and GSTM1 genotypes on kidney disease in mice as well as in human ARIC study participants. We also examined the importance of superoxide in the mediating pathways and of hematopoietic GSTM1 on renal inflammation. RESULTS Gstm1 knockout mice displayed increased oxidative stress, kidney injury, and inflammation in both models. The central mechanism for kidney injury is likely mediated by oxidative stress, because treatment with Tempol, an superoxide dismutase mimetic, rescued kidney injury in knockout mice without lowering BP. Bone marrow crosstransplantation revealed that Gstm1 deletion in the parenchyma, and not in bone marrow-derived cells, drives renal inflammation. Furthermore, supplementation with cruciferous broccoli powder rich in the precursor to antioxidant-activating sulforaphane significantly ameliorated kidney injury in Gstm1 knockout, but not wild-type mice. Similarly, among humans (ARIC study participants), high consumption of cruciferous vegetables was associated with fewer kidney failure events compared with low consumption, but this association was observed primarily in participants homozygous for the GSTM1 deletion variant. CONCLUSIONS Our data support a role for the GSTM1 enzyme in the modulation of oxidative stress, inflammation, and protective metabolites in CKD.
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Affiliation(s)
| | - Adrienne Tin
- Department of Epidemiology and
- Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | | | | | - Yves T Wang
- Division of Nephrology, Department of Medicine, University of Rochester School of Medicine, Rochester, New York
| | | | | | - Janet V Cross
- Department of Pathology, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Guang Yang
- Division of Nephrology, Heinrich-Heine University of Dusseldorf, Dusseldorf, Germany
| | - Nhu Nguyen
- Department of Biomedical Sciences, Grand Valley State University, Allendale, Michigan
| | - Fang Chan
- Division of Nephrology, Department of Medicine and
| | - Casey Rebholz
- Department of Epidemiology and
- Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | - Bing Yu
- Department of Epidemiology, Human Genetics and Environmental Sciences, School of Public Health and
| | - Megan L Grove
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Morgan E Grams
- Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
- Department of Medicine and
| | - Anna Köttgen
- Department of Epidemiology and
- Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany; and
| | - Robert Scharpf
- Department of Biostatistics, Johns Hopkins Bloomberg School of Public Heath, Baltimore, Maryland
- Division of Oncology, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Phillip Ruiz
- Department of Pathology, University of Miami, Miami, Florida
| | - Eric Boerwinkle
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Josef Coresh
- Department of Epidemiology and
- Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | - Thu H Le
- Division of Nephrology, Department of Medicine and
- Department of Biostatistics, Johns Hopkins Bloomberg School of Public Heath, Baltimore, Maryland
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14
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Tofas T, Draganidis D, Deli CK, Georgakouli K, Fatouros IG, Jamurtas AZ. Exercise-Induced Regulation of Redox Status in Cardiovascular Diseases: The Role of Exercise Training and Detraining. Antioxidants (Basel) 2019; 9:antiox9010013. [PMID: 31877965 PMCID: PMC7023632 DOI: 10.3390/antiox9010013] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/10/2019] [Accepted: 12/13/2019] [Indexed: 02/07/2023] Open
Abstract
Although low levels of reactive oxygen species (ROS) are beneficial for the organism ensuring normal cell and vascular function, the overproduction of ROS and increased oxidative stress levels play a significant role in the onset and progression of cardiovascular diseases (CVDs). This paper aims at providing a thorough review of the available literature investigating the effects of acute and chronic exercise training and detraining on redox regulation, in the context of CVDs. An acute bout of either cardiovascular or resistance exercise training induces a transient oxidative stress and inflammatory response accompanied by reduced antioxidant capacity and enhanced oxidative damage. There is evidence showing that these responses to exercise are proportional to exercise intensity and inversely related to an individual’s physical conditioning status. However, when chronically performed, both types of exercise amplify the antioxidant defense mechanism, reduce oxidative stress and preserve redox status. On the other hand, detraining results in maladaptations within a time-frame that depends on the exercise training intensity and mode, as high-intensity training is superior to low-intensity and resistance training is superior to cardiovascular training in preserving exercise-induced adaptations during detraining periods. Collectively, these findings suggest that exercise training, either cardiovascular or resistance or even a combination of them, is a promising, safe and efficient tool in the prevention and treatment of CVDs.
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15
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Zhang Y, Zafar W, Hartzel DN, Williams MS, Tin A, Chang AR, Lee MTM. GSTM1 Copy Number Is Not Associated With Risk of Kidney Failure in a Large Cohort. Front Genet 2019; 10:765. [PMID: 31555322 PMCID: PMC6728412 DOI: 10.3389/fgene.2019.00765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Accepted: 07/19/2019] [Indexed: 12/15/2022] Open
Abstract
Deletion of glutathione S-transferase µ1 (GSTM1) is common in populations and has been asserted to associate with chronic kidney disease progression in some research studies. The association needs to be validated. We estimated GSTM1 copy number using whole exome sequencing data in the DiscovEHR cohort. Kidney failure was defined as requiring dialysis or receiving kidney transplant using data from the electronic health record and linkage to the United States Renal Data System, or the most recent eGFR < 15 ml/min/1.73 m2. In a cohort of 46,983 unrelated participants, 28.8% of blacks and 52.1% of whites had 0 copies of GSTM1. Over a mean of 9.2 years follow-up, 645 kidney failure events were observed in 46,187 white participants, and 28 in 796 black participants. No significant association was observed between GSTM1 copy number and kidney failure in Cox regression adjusting for age, sex, BMI, smoking status, genetic principal components, or comorbid conditions (hypertension, diabetes, heart failure, coronary artery disease, and stroke), whether using a genotypic, dominant, or recessive model. In sensitivity analyses, GSTM1 copy number was not associated with kidney failure in participants that were 45 years or older at baseline, had baseline eGFR < 60 ml/min/1.73 m2, or with baseline year between 1996 and 2002. In conclusion, we found no association between GSTM1 copy number and kidney failure in a large cohort study.
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Affiliation(s)
- Yanfei Zhang
- Genomic Medicine Institute, Geisinger, Danville, PA, United States
| | - Waleed Zafar
- Kidney Institute, Geisinger, Danville, PA, United States
| | - Dustin N Hartzel
- Phenomic Analytics & Clinical Data Core, Geisinger, Danville, PA, United States
| | - Marc S Williams
- Genomic Medicine Institute, Geisinger, Danville, PA, United States
| | - Adrienne Tin
- Department of Epidemiology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, United States
| | - Alex R Chang
- Kidney Institute, Geisinger, Danville, PA, United States
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16
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Jönsson S, Becirovic-Agic M, Isackson H, Tveitarås MK, Skogstrand T, Narfström F, Karlsen TV, Lidén Å, Leh S, Ericsson M, Nilsson SK, Reed RK, Hultström M. Angiotensin II and salt-induced decompensation in Balb/CJ mice is aggravated by fluid retention related to low oxidative stress. Am J Physiol Renal Physiol 2019; 316:F914-F933. [PMID: 30785350 DOI: 10.1152/ajprenal.00483.2018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Balb/CJ mice are more sensitive to treatment with angiotensin II (ANG II) and high-salt diet compared with C57BL/6J mice. Together with higher mortality, they develop edema, signs of heart failure, and acute kidney injury. The aim of the present study was to identify differences in renal gene regulation that may affect kidney function and fluid balance, which could contribute to decompensation in Balb/CJ mice after ANG II + salt treatment. Male Balb/CJ and C57BL/6J mice were divided into the following five different treatment groups: control, ANG II, salt, ANG II + salt, and ANG II + salt + N-acetylcysteine. Gene expression microarrays were used to explore differential gene expression after treatment and between the strains. Published data from the Mouse Genome Database were used to identify the associated genomic differences. The glomerular filtration rate (GFR) was measured using inulin clearance, and fluid balance was measured using metabolic cages. Gene ontology enrichment analysis of gene expression microarrays identified glutathione transferase (antioxidant system) as highly enriched among differentially expressed genes. Balb/CJ mice had similar GFR compared with C57BL/6J mice but excreted less Na+ and water, although net fluid and electrolyte balance did not differ, suggesting that Balb/CJ mice may be inherently more prone to decompensation. Interestingly, C57BL/6J mice had higher urinary oxidative stress despite their relative protection from decompensation. In addition, treatment with the antioxidant N-acetylcysteine decreased oxidative stress in C57BL/6J mice, reduced urine excretion, and increased mortality. Balb/CJ mice are more sensitive than C57BL/6J to ANG II + salt, in part mediated by lower oxidative stress, which favors fluid and Na+ retention.
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Affiliation(s)
- Sofia Jönsson
- Integrative Physiology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Mediha Becirovic-Agic
- Integrative Physiology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Henrik Isackson
- Integrative Physiology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.,Department of Medical Sciences, Cardiology, Uppsala University , Uppsala , Sweden
| | | | | | - Fredrik Narfström
- Integrative Physiology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Tine V Karlsen
- Department of Biomedicine, University of Bergen , Norway
| | - Åsa Lidén
- Department of Biomedicine, University of Bergen , Norway
| | - Sabine Leh
- Department of Pathology, Haukeland University Hospital , Bergen , Norway.,Department of Clinical Medicine, University of Bergen , Norway
| | | | - Stefan K Nilsson
- Department of Medical Biosciences, Umeå University , Umeå , Sweden
| | - Rolf K Reed
- Department of Biomedicine, University of Bergen , Norway.,Centre for Cancer Biomarkers (CCBIO), University of Bergen , Norway
| | - Michael Hultström
- Integrative Physiology, Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.,Department of Biomedicine, University of Bergen , Norway.,Anesthesia and Intensive Care, Department of Surgical Sciences, Uppsala University , Uppsala , Sweden
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17
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Huang L, Li L, Hu E, Chen G, Meng X, Xiong C, He J. Potential biomarkers and targets in reversibility of pulmonary arterial hypertension secondary to congenital heart disease: an explorative study. Pulm Circ 2018; 8:2045893218755987. [PMID: 29480151 PMCID: PMC5865461 DOI: 10.1177/2045893218755987] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Whether pulmonary arterial hypertension (PAH) is reversible in congenital heart disease (CHD) is important for the operability of CHD. However, little is known about that. Our research was aimed at exploring novel biomarkers and targets in the reversibility of CHD-PAH. CHD-PAH patients diagnosed with right heart catheterization (RHC) were enrolled (n = 14). Lung biopsy was performed during the repair surgery. After one year follow-up, mean pulmonary arterial pressures (mPAP) were evaluated by RHC to determine the diagnosis of reversible (mPAP < 25 mmHg, n = 10) and irreversible (mPAP ≥ 25 mmHg, n = 4) PAH. Harvested normal lung tissues (n = 6) were included as the control group. Pulmonary arteriole lesions were identified by pathological grading in tissue staining. iTRAQ-labelled mass-spectrometry analysis followed by immunohistochemistry and western blot was used to explore the most meaningful differential proteins. For enrolled patients, the histopathological grading of pulmonary vascular lesions in reversible CHD-PAH patients was all at grades 0-II while grades III-IV were shown only in irreversible CHD-PAH patients. Proteomic analysis identified 85 upregulated and 75 downregulated proteins, including cytoskeletal proteins and collagen chains, mainly involved in cell adhesion, extracellular matrix, cytoskeleton, immune response, and complement pathways. Among them, caveolin-1, filamin A expression, and cathepsin D combined with macrophagocytes counts were significantly increased; glutathione S-transferase mu1 (GSTM1) expression was significantly decreased in the irreversible CHD-PAH group (all P < 0.05). Caveolin-1, filamin A, and cathepsin D expression showed a positive relation and GSTM1 showed a negative relation with pathological grading. Upregulated caveolin-1, filamin A, and cathepsin D combined with increased macrophagocytes and downregulated GSTM1 may be potential biomarkers and targets in the irreversibility CHD-PAH, and which may be useful in evaluating the operability and understanding the irreversibility of CHD-PAH. Expression of these pathological biomarkers combined with pathological changes in lung biopsy may have great value in predicting the irreversibility of PAH.
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Affiliation(s)
- Li Huang
- 1 Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Li Li
- 2 Departement of Pathology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Enci Hu
- 1 Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Guo Chen
- 1 Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Xianmin Meng
- 3 Central Laboratory, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Changming Xiong
- 1 Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianguo He
- 1 Center of Pulmonary Vascular Disease, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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18
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Tin A, Scharpf R, Estrella MM, Yu B, Grove ML, Chang PP, Matsushita K, Köttgen A, Arking DE, Boerwinkle E, Le TH, Coresh J, Grams ME. The Loss of GSTM1 Associates with Kidney Failure and Heart Failure. J Am Soc Nephrol 2017; 28:3345-3352. [PMID: 28720685 DOI: 10.1681/asn.2017030228] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 06/08/2017] [Indexed: 12/19/2022] Open
Abstract
Glutathione S-transferase mu 1 (GSTM1) encodes an enzyme that catalyzes the conjugation of electrophilic compounds with glutathione to facilitate their degradation or excretion. The loss of one or both copies of GSTM1 is common in many populations and has been associated with CKD progression. With the hypothesis that the loss of GSTM1 is also associated with incident kidney failure and heart failure, we estimated GSTM1 copy number using exome sequencing reads in the Atherosclerosis Risk in Communities (ARIC) Study, a community-based prospective cohort of white and black participants. Overall, 51.2% and 39.8% of white participants and 25.6% and 48.5% of black participants had zero or one copy of GSTM1, respectively. Over a median follow-up of 24.6 years, 256 kidney failure events occurred in 5715 participants without prevalent kidney failure, and 1028 heart failure events occurred in 5368 participants without prevalent heart failure. In analysis adjusted for demographics, diabetes, and hypertension, having zero or one copy of GSTM1 associated with higher risk of kidney failure and heart failure (adjusted hazard ratio [95% confidence interval] for zero or one versus two copies of GSTM1: kidney failure, 1.66 [1.27 to 2.17]; heart failure, 1.16 [1.04 to 1.29]). Risk did not differ significantly between participants with zero and one copy of GSTM1 (P>0.10). In summary, the loss of GSTM1 was significantly associated with incident kidney and heart failure, independent of traditional risk factors. These results suggest GSTM1 function is a potential treatment target for the prevention of kidney and heart failure.
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Affiliation(s)
- Adrienne Tin
- Departments of Epidemiology and .,Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | - Robert Scharpf
- Divisions of Oncology.,Biostatistics and Bioinformatics.,Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Michelle M Estrella
- Kidney Health Research Collaborative, University of California, San Francisco, San Francisco, California.,Kidney Health Research Collaborative, Department of Medicine, School of Medicine, University of California, San Francisco, California
| | - Bing Yu
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Megan L Grove
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Patricia P Chang
- Division of Cardiology, University of North Carolina School of Medicine, Chapel Hill, North Carolina
| | - Kunihiro Matsushita
- Departments of Epidemiology and.,Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | - Anna Köttgen
- Departments of Epidemiology and.,Institute of Genetic Epidemiology, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany; and
| | - Dan E Arking
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins School of Medicine, Baltimore, Maryland.,Cardiology, and
| | - Eric Boerwinkle
- Human Genetics Center, University of Texas Health Science Center at Houston, Houston, Texas
| | - Thu H Le
- Division of Nephrology, Department of Medicine, University of Virginia School of Medicine, Charlottesville, Virginia
| | - Josef Coresh
- Departments of Epidemiology and.,Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland
| | - Morgan E Grams
- Welch Center for Prevention, Epidemiology and Clinical Research, Baltimore, Maryland.,Nephrology, and
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Yuan XP, Liu LS, Chen CB, Zhou J, Zheng YT, Wang XP, Han M, Wang CX. MicroRNA-423-5p facilitates hypoxia/reoxygenation-induced apoptosis in renal proximal tubular epithelial cells by targeting GSTM1 via endoplasmic reticulum stress. Oncotarget 2017; 8:82064-82077. [PMID: 29137244 PMCID: PMC5669870 DOI: 10.18632/oncotarget.18289] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Accepted: 05/06/2017] [Indexed: 01/29/2023] Open
Abstract
It has been reported that microRNAs (miRs) can regulate renal response to acute injury and members of them are believed to be important in maintenance of renal function and development of renal injury. We investigated the actions of microRNA-423-5p (miR-423-5p) and glutathione-S-transferase (GST) M1 after acute kidney injury. MiR-423-5p was up-regulated and GSTM1 was down-regulated in human kidney (HK-2) cells subjected to hypoxia/reoxygenation (H/R) and in rat kidneys subjected to ischemia/reperfusion (I/R) injury. Dual luciferase assays revealed miR-423-5p binding to the 3′ untranslated region of GSTM1. Proliferation was lower and apoptosis, ER stress and oxidative stress were all higher in H/R-treated HK-2 cells transfected with or without miR-423-5p mimics and GSTM1 siRNA than in the same cells transfected with miR-423-5p inhibitors and a GSTM1 expression vector. Increased miR-423-5p and decreased GSTM1 mRNA and protein levels were observed in rat kidneys on days 1, 2 and 7 after I/R. Levels had normalized by days 14 and 21. On day 3 after treatment, rats receiving I/R or I/R plus miR-423-5p mimics exhibited higher serum creatinine and urea nitrogen levels than rats receiving I/R plus a miR-423-5p inhibitor. MiR-423-5p and lower GSTM1 mRNA and protein levels were higher in the I/R and I/R plus miR-423-5p mimic groups than in the I/R plus miR-423-5p inhibitors group. These findings demonstrate that after acute kidney injury, miR-423-5p induces ER stress and oxidative stress by inhibiting GSTM1and suppresses repair.
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Affiliation(s)
- Xiao-Peng Yuan
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Long-Shan Liu
- 2nd Division of Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, P.R. China
| | - Chuan-Bao Chen
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Jian Zhou
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Yi-Tao Zheng
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Xiao-Ping Wang
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Ming Han
- 3rd Division of Organ Transplant Center, Eastern Campus of The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510700, P.R. China
| | - Chang-Xi Wang
- 2nd Division of Organ Transplant Center, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, P.R. China
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Mahajan A, Rodan AR, Le TH, Gaulton KJ, Haessler J, Stilp AM, Kamatani Y, Zhu G, Sofer T, Puri S, Schellinger JN, Chu PL, Cechova S, van Zuydam N, Arnlov J, Flessner MF, Giedraitis V, Heath AC, Kubo M, Larsson A, Lindgren CM, Madden PAF, Montgomery GW, Papanicolaou GJ, Reiner AP, Sundström J, Thornton TA, Lind L, Ingelsson E, Cai J, Martin NG, Kooperberg C, Matsuda K, Whitfield JB, Okada Y, Laurie CC, Morris AP, Franceschini N. Trans-ethnic Fine Mapping Highlights Kidney-Function Genes Linked to Salt Sensitivity. Am J Hum Genet 2016; 99:636-646. [PMID: 27588450 PMCID: PMC5011075 DOI: 10.1016/j.ajhg.2016.07.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 07/08/2016] [Indexed: 01/09/2023] Open
Abstract
We analyzed genome-wide association studies (GWASs), including data from 71,638 individuals from four ancestries, for estimated glomerular filtration rate (eGFR), a measure of kidney function used to define chronic kidney disease (CKD). We identified 20 loci attaining genome-wide-significant evidence of association (p < 5 × 10(-8)) with kidney function and highlighted that allelic effects on eGFR at lead SNPs are homogeneous across ancestries. We leveraged differences in the pattern of linkage disequilibrium between diverse populations to fine-map the 20 loci through construction of "credible sets" of variants driving eGFR association signals. Credible variants at the 20 eGFR loci were enriched for DNase I hypersensitivity sites (DHSs) in human kidney cells. DHS credible variants were expression quantitative trait loci for NFATC1 and RGS14 (at the SLC34A1 locus) in multiple tissues. Loss-of-function mutations in ancestral orthologs of both genes in Drosophila melanogaster were associated with altered sensitivity to salt stress. Renal mRNA expression of Nfatc1 and Rgs14 in a salt-sensitive mouse model was also reduced after exposure to a high-salt diet or induced CKD. Our study (1) demonstrates the utility of trans-ethnic fine mapping through integration of GWASs involving diverse populations with genomic annotation from relevant tissues to define molecular mechanisms by which association signals exert their effect and (2) suggests that salt sensitivity might be an important marker for biological processes that affect kidney function and CKD in humans.
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Affiliation(s)
- Anubha Mahajan
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Aylin R Rodan
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75229, USA
| | - Thu H Le
- Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
| | - Kyle J Gaulton
- Department of Pediatrics, University of California San Diego, La Jolla, CA 92093, USA
| | - Jeffrey Haessler
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Adrienne M Stilp
- Department of Biostatistics, University of Washington, Seattle, WA 98195, USA
| | - Yoichiro Kamatani
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Gu Zhu
- Genetic Epidemiology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - Tamar Sofer
- Department of Biostatistics, University of Washington, Seattle, WA 98195, USA
| | - Sanjana Puri
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75229, USA
| | - Jeffrey N Schellinger
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75229, USA
| | - Pei-Lun Chu
- Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
| | - Sylvia Cechova
- Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
| | - Natalie van Zuydam
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Johan Arnlov
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala 751 85, Sweden; School of Health and Social Studies, Dalarna University, Falun 791 88, Sweden
| | - Michael F Flessner
- National Institute of Diabetes, Digestive, and Kidney Disease, NIH, Bethesda, MD 20892, USA
| | - Vilmantas Giedraitis
- Department of Public Health and Caring Sciences, Molecular Geriatrics, Uppsala University, Uppsala 752 37, Sweden
| | - Andrew C Heath
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Michiaki Kubo
- Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan
| | - Anders Larsson
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala 751 85, Sweden
| | - Cecilia M Lindgren
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK; Big Data Institute, Li Ka Shing Centre for Health Information and Discovery, University of Oxford, Oxford OX3 7BN, UK
| | - Pamela A F Madden
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Grant W Montgomery
- Molecular Epidemiology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - George J Papanicolaou
- Epidemiology Branch, Division of Cardiovascular Sciences, National Heart, Lung and Blood Institute, Bethesda, MD 20892, USA
| | - Alex P Reiner
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Johan Sundström
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala 751 85, Sweden
| | - Timothy A Thornton
- Department of Biostatistics, University of Washington, Seattle, WA 98195, USA
| | - Lars Lind
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala 751 85, Sweden
| | - Erik Ingelsson
- Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala 752 37, Sweden; Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Jianwen Cai
- Collaborative Studies Coordinating Center, Department of Biostatistics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Nicholas G Martin
- Genetic Epidemiology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - Charles Kooperberg
- Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA
| | - Koichi Matsuda
- Laboratory of Molecular Medicine, Human Genome Center, Institute of Medical Science, University of Tokyo, Tokyo 108-8639, Japan
| | - John B Whitfield
- Genetic Epidemiology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane 4006, Australia
| | - Yukinori Okada
- Laboratory for Statistical Analysis, RIKEN Center for Integrative Medical Sciences, Yokohama 230-0045, Japan; Department of Statistical Genetics, Osaka University Graduate School of Medicine, Osaka 565-0871, Japan
| | - Cathy C Laurie
- Department of Biostatistics, University of Washington, Seattle, WA 98195, USA
| | - Andrew P Morris
- Wellcome Trust Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK; Department of Biostatistics, University of Liverpool, Liverpool L69 3GL, UK.
| | - Nora Franceschini
- Department of Epidemiology, University of North Carolina, Chapel Hill, NC 27514, USA.
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Ma L, Wang H, Wang C, Su J, Xie Q, Xu L, Yu Y, Liu S, Li S, Xu Y, Li Z. Failure of Elevating Calcium Induces Oxidative Stress Tolerance and Imparts Cisplatin Resistance in Ovarian Cancer Cells. Aging Dis 2016; 7:254-66. [PMID: 27330840 PMCID: PMC4898922 DOI: 10.14336/ad.2016.0118] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2015] [Accepted: 01/17/2016] [Indexed: 12/14/2022] Open
Abstract
Cisplatin is a commonly used chemotherapeutic drug, used for the treatment of malignant ovarian cancer, but acquired resistance limits its application. There is therefore an overwhelming need to understand the mechanism of cisplatin resistance in ovarian cancer, that is, ovarian cancer cells are insensitive to cisplatin treatment. Here, we show that failure of elevating calcium and oxidative stress tolerance play key roles in cisplatin resistance in ovarian cancer cell lines. Cisplatin induces an increase in oxidative stress and alters intracellular Ca(2+) concentration, including cytosolic and mitochondrial Ca(2+) in cisplatin-sensitive SKOV3 cells, but not in cisplatin-resistant SKOV3/DDP cells. Cisplatin induces mitochondrial damage and triggers the mitochondrial apoptotic pathway in cisplatin-sensitive SKOV3 cells, but rarely in cisplatin-resistant SKOV3/DDP cells. Inhibition of calcium signaling attenuates cisplatin-induced oxidative stress and intracellular Ca(2+) overload in cisplatin-sensitive SKOV3 cells. Moreover, in vivo xenograft models of nude mouse, cisplatin significantly reduced the growth rates of tumors originating from SKOV3 cells, but not that of SKOV3/DDP cells. Collectively, our data indicate that failure of calcium up-regulation mediates cisplatin resistance by alleviating oxidative stress in ovarian cancer cells. Our results highlight potential therapeutic strategies to improve cisplatin resistance.
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Affiliation(s)
- Liwei Ma
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Hongjun Wang
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China; 2Department of Histology and Embryology, Jilin Medical University, Jilin 132013, China
| | - Chunyan Wang
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Jing Su
- 3Department of Pathophysiology, Basic College of Medicine, Jilin University, Changchun, 130021, China
| | - Qi Xie
- 3Department of Pathophysiology, Basic College of Medicine, Jilin University, Changchun, 130021, China
| | - Lu Xu
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Yang Yu
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Shibing Liu
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Songyan Li
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Ye Xu
- 1Medical Research Laboratory, Jilin Medical University, Jilin 132013, China
| | - Zhixin Li
- 2Department of Histology and Embryology, Jilin Medical University, Jilin 132013, China
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22
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Abbas M, Kushwaha VS, Srivastava K, Banerjee M. Glutathione S-Transferase Gene Polymorphisms and Treatment Outcome in Cervical Cancer Patients under Concomitant Chemoradiation. PLoS One 2015; 10:e0142501. [PMID: 26571237 PMCID: PMC4646353 DOI: 10.1371/journal.pone.0142501] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2015] [Accepted: 10/22/2015] [Indexed: 12/12/2022] Open
Abstract
PURPOSE Cisplatin based concomitant chemoradiation (CRT) is the standard treatment for locally advanced cervical cancer (CC). Glutathione S-transferase (GST), a phase II antioxidant enzyme is induced by oxidative stress generated by drugs and reactive oxidants. The present study was undertaken to evaluate the association of GSTM1, T1 and P1 polymorphisms with the outcome of CRT treatment in CC patients. METHODS A total of 227 cervical cancer patients with stages IIB-IIIB treated with the same chemoradiotherapy regimen were enrolled and genotyped for GSTM1, T1 and P1 gene polymorphisms by multiplex polymerase chain reaction (mPCR) and PCR-restriction fragment length polymorphism (PCR-RFLP). Overall survival was evaluated using Kaplan-Meier survival function and Cox proportional hazards model. All data were analyzed using SPSS (version 21.0). RESULTS Stratified analysis showed that GSTM1 null (M1-) genotype was associated with a significantly better survival among patients with stage IIB cervical cancer (log-rank P = 0.004) than cases with stage IIIA/IIIB. Death and recurrence were significantly higher in patients with GSTM1 present genotype (M1+) (P = 0.037 and P = 0.003 respectively) and those with M1- showed reduced hazard of death with an adjusted hazard ratio 'HR' of 0.47 (95% CI, 0.269-0.802, P = 0.006). Women with M1- genotype as well as in combination with GSTT1 null (T1-), GSTP1 (AG+GG) and GSTT1 null/GSTP1 (AG+GG) showed better survival and also reduced risk of death (HR = 0.31, P = 0.016; HR = 0.45, P = 0.013; HR = 0.31, P = 0.02 respectively). CONCLUSIONS To the best of our knowledge, this is the first study to correlate the association of GSTM1, T1 and P1 gene polymorphisms with treatment outcome of CRT treated CC patients. Our results suggested that individuals with GSTM1 null genotype and in combination with GSTT1 null and GSTP1 (AG+GG) had a survival advantage. Such genetic studies may provide prognostic information in CRT treated CC patients.
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Affiliation(s)
- Mohammad Abbas
- Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow -226007, Uttar Pradesh, India
| | - Vandana Singh Kushwaha
- Department of Radiotherapy, King George’s Medical University, Lucknow-226003, Uttar Pradesh, India
| | - Kirti Srivastava
- Department of Radiotherapy, King George’s Medical University, Lucknow-226003, Uttar Pradesh, India
| | - Monisha Banerjee
- Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow -226007, Uttar Pradesh, India
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23
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Yang Y, Gomez JA, Herrera M, Perez-Marco R, Repenning P, Zhang Z, Payne A, Pratt RE, Koller B, Beierwaltes WH, Coffman T, Mirotsou M, Dzau VJ. Salt restriction leads to activation of adult renal mesenchymal stromal cell-like cells via prostaglandin E2 and E-prostanoid receptor 4. Hypertension 2015; 65:1047-54. [PMID: 25776075 DOI: 10.1161/hypertensionaha.114.04611] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Accepted: 02/09/2015] [Indexed: 12/16/2022]
Abstract
Despite the importance of juxtaglomerular cell recruitment in the pathophysiology of cardiovascular diseases, the mechanisms that underlie renin production under conditions of chronic stimulation remain elusive. We have previously shown that CD44+ mesenchymal-like cells (CD44+ cells) exist in the adult kidney. Under chronic sodium deprivation, these cells are recruited to the juxtaglomerular area and differentiate to new renin-expressing cells. Given the proximity of macula densa to the juxtaglomerular area and the importance of macula densa released prostanoids in renin synthesis and release, we hypothesized that chronic sodium deprivation induces macula densa release of prostanoids, stimulating renal CD44+ cell activation and differentiation. CD44+ cells were isolated from adult kidneys and cocultured with the macula densa cell line, MMDD1, in normal or low-sodium medium. Low sodium stimulated prostaglandin E2 production by MMDD1 and induced migration of CD44+ cells. These effects were inhibited by addition of a cyclooxygenase 2 inhibitor (NS398) or an E-prostanoid receptor 4 antagonist (AH23848) to MMDD1 or CD44+ cells, respectively. Addition of prostaglandin E2 to CD44+ cells increased cell migration and induced renin expression. In vivo activation of renal CD44+ cells during juxtaglomerular recruitment was attenuated in wild-type mice subjected to salt restriction in the presence of cyclooxygenase 2 inhibitor rofecoxib. Similar results were observed in E-prostanoid receptor 4 knockout mice subjected to salt restriction. These results show that the prostaglandin E2/E-prostanoid receptor 4 pathway plays a key role in the activation of renal CD44+ mesenchymal stromal cell-like cells during conditions of juxtaglomerular recruitment; highlighting the importance of this pathway as a key regulatory mechanism of juxtaglomerular recruitment.
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Affiliation(s)
- Yanqiang Yang
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Jose A Gomez
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Marcela Herrera
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Romelia Perez-Marco
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Peter Repenning
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Zhiping Zhang
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Alan Payne
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Richard E Pratt
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Beverly Koller
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - William H Beierwaltes
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Thomas Coffman
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Maria Mirotsou
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.)
| | - Victor J Dzau
- From the Mandel Center for Hypertension and Atherosclerosis Research, and the Cardiovascular Research Center (Y.Y., J.A.G., R.P.-M., Z.Z., A.P., R.E.P., M.M., V.J.D.) and Division of Nephrology, Department of Medicine (M.H., T.C.), Duke University Medical Center, Durham, NC; Department of Genetics, University of North Carolina at Chapel Hill (P.R., B.K.); and Henry Ford Hospital, Detroit, MI (W.H.B.).
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Wen D, Liu D, Tang J, Dong L, Liu Y, Tao Z, Wan J, Gao D, Wang L, Sun H, Fan J, Wu W. Malic enzyme 1 induces epithelial-mesenchymal transition and indicates poor prognosis in hepatocellular carcinoma. Tumour Biol 2015; 36:6211-21. [PMID: 25753478 DOI: 10.1007/s13277-015-3306-5] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2015] [Accepted: 03/02/2015] [Indexed: 12/20/2022] Open
Abstract
Malic enzyme 1 (ME1) links the glycolytic and citric acid cycles and is important for NADPH production, glutamine metabolism, and lipogenesis. Recently, its deregulation has been implicated in the progression of various cancers. However, the role of ME1 in the progression of hepatocellular carcinoma (HCC) remains unclear. In this study, we utilized short hairpin RNA-mediated gene silencing to investigate the biological effects of ME1 depletion in HCC and determined its prognostic significance in HCC. ME1 expression was examined by real-time (RT)-PCR and Western blot using five HCC cell lines and one normal liver cell line. We used polyethylenimine nanoparticles to deliver a short hairpin RNA to induce cessation of ME1 expression in HCC cells. Changes in NADPH production and reactive oxygen species (ROS) production were studied. Metastatic potentials of HCC cells were evaluated in vitro. Furthermore, we evaluated the protein level of ME1 in para-tumor and cancerous tissues of 65 HCC patients with detailed clinical, pathological, and clinical follow-up data. Patients' survivals were further assessed as well. Upregulated ME1 expression was observed in HCC cell lines. Downregulation of ME1 attenuated NADPH production and stimulated ROS production. Silencing ME1 was noted to inhibit migratory and invasive properties of HCC cells by inducing the E-cadherin expression and decreasing of N-cadherin and vimentin expression in a ROS-dependent pathway. Overexpression of ME1 was observed in a major fraction of HCC samples. Higher level of ME1 in tumors was significantly associated with reduced overall survival (Kaplan-Meier analysis, P = 0.024) and reduced progression-free survival (Kaplan-Meier analysis, P = 0.011). Inhibition of ME1 expression decreases HCC metastasis via suppression of epithelial-mesenchymal transition (EMT) processes in ROS-induced pathways. ME1 overexpression associates with unfavorable prognoses in patients with HCC, suggesting that ME1 is a poor prognostic predictor of hepatocellular carcinoma.
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Affiliation(s)
- Duo Wen
- Liver Cancer Institute, Zhongshan Hospital, Fudan University, 180 Fenglin Road, Shanghai, 2000032, China,
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25
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Zhang X, Wang J, Zhang M, Qin G, Li D, Zhu KY, Ma E, Zhang J. Molecular cloning, characterization and positively selected sites of the glutathione S-transferase family from Locusta migratoria. PLoS One 2014; 9:e114776. [PMID: 25486043 PMCID: PMC4259467 DOI: 10.1371/journal.pone.0114776] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Accepted: 11/13/2014] [Indexed: 11/24/2022] Open
Abstract
Glutathione S-transferases (GSTs) are multifunctional enzymes that are involved in the metabolism of endogenous and exogenous compounds and are related to insecticide resistance. The purpose of this study was to provide new information on the molecular characteristics and the positive selection of locust GSTs. Based on the transcriptome database, we sequenced 28 cytosolic GSTs and 4 microsomal GSTs from the migratory locust (Locusta migratoria). We assigned the 28 cytosolic GSTs into 6 classes—sigma, epsilon, delta, theta, omega and zeta, and the 4 microsomal GSTs into 2 subclasses—insect and MGST3. The tissue- and stage-expression patterns of the GSTs differed at the mRNA level. Further, the substrate specificities and kinetic constants of the cytosolic GSTs differed markedly at the protein level. The results of likelihood ratio tests provided strong evidence for positive selection in the delta class. The result of Bayes Empirical Bayes analysis identified 4 amino acid sites in the delta class as positive selection sites. These sites were located on the protein surface. Our findings will facilitate the elucidation of the molecular characteristics and evolutionary aspects of insect GST superfamily.
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Affiliation(s)
- Xueyao Zhang
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
| | - Jianxin Wang
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
| | - Min Zhang
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
| | - Guohua Qin
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
| | - Daqi Li
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
| | - Kun Yan Zhu
- Department of Entomology, Kansas State University, Manhattan, Kansas, United States of America
| | - Enbo Ma
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
- * E-mail: (EM); (JZ)
| | - Jianzhen Zhang
- Research Institute of Applied Biology, Shanxi University, Taiyuan, Shanxi, China
- * E-mail: (EM); (JZ)
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Xia M, Yu H, Gu S, Xu Y, Su J, Li H, Kang J, Cui M. p62/SQSTM1 is involved in cisplatin resistance in human ovarian cancer cells via the Keap1-Nrf2-ARE system. Int J Oncol 2014; 45:2341-8. [PMID: 25269472 DOI: 10.3892/ijo.2014.2669] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2014] [Accepted: 08/07/2014] [Indexed: 11/05/2022] Open
Abstract
The mechanisms underlying cisplatin resistance in tumors are not fully understood. Previous studies have reported that cellular resistance to oxidative stress is accompanied by resistance to cisplatin. However, the relationship between the resistance to oxidative stress and cisplatin drug resistance in human ovarian cancer cells (HOCCs) is not clear. Here, we reveal a critical role for the multifunctional protein p62/SQSTM1 in cisplatin resistance in human ovarian cancer cells (HOCCs). p62/SQSTM1 (sequestosome 1) plays important roles in cell differentiation, proliferation and as an antiapoptotic molecule. We found that cisplatin-resistant SKOV3/DDP cells express much higher levels of p62 than do cisplatin-sensitive SKOV3 cells. The protein p62 can activate the Keap1-Nrf2-ARE signaling pathway and induce the expression of antioxidant genes in SKOV3/DDP cells. Knockdown of p62 resensitizes SKOV3/DDP cells to cisplatin. Collectively, our data indicate that cisplatin resistance in HOCCs is partially attributable to their high expression of p62, which plays an important role in preventing ROS stress-induced apoptosis by regulating the Keap1-Nrf2-ARE signaling pathway.
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Affiliation(s)
- Meihui Xia
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Huimei Yu
- Department of Pathophysiology, School of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Shuang Gu
- Department of Thoracic Surgery, The People's Hospital of Jilin Province, Changchun, Jilin 130021, P.R. China
| | - Ye Xu
- Medical Research Lab, Jilin Medical College, Jilin 132013, P.R. China
| | - Jing Su
- Department of Pathophysiology, School of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Hongyan Li
- Department of Pathophysiology, School of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Jinsong Kang
- Department of Pathophysiology, School of Basic Medical Sciences, Jilin University, Changchun, Jilin 130021, P.R. China
| | - Manhua Cui
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
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GST gene polymorphisms and the risk of colorectal cancer development. Contemp Oncol (Pozn) 2014; 18:219-21. [PMID: 25258576 PMCID: PMC4171468 DOI: 10.5114/wo.2014.41388] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Revised: 01/15/2014] [Accepted: 02/26/2014] [Indexed: 12/19/2022] Open
Abstract
Increasingly often, molecular studies of colorectal cancer focus on low penetrance genes. Among the factors potentially modifying the risk of contracting colorectal cancer is the glutathione S-transferase (GST) gene family, encoding enzymes of the glutathione transferase type. Proteins of the GST family (glutathione S-transferases) are enzymes detoxifying a wide range of hazardous substances, such as reactive oxygen species (ROS) or xenobionts. Thus, their role, among other things, is the protection of DNA against oxidative damage, which may lead to mutations, and in consequence, favour carcinogenesis. GST gene polymorphisms may affect the functioning of the encoded enzymes, exerting an effect on the level of DNA damage, and therefore may have an indirect influence on the risk of the development of cancer. At present, there are many studies available concerning GST gene polymorphisms as factors modulating the risk of developing cancer, including colorectal cancer.
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Ishibashi T. Molecular hydrogen: new antioxidant and anti-inflammatory therapy for rheumatoid arthritis and related diseases. Curr Pharm Des 2014; 19:6375-81. [PMID: 23859555 PMCID: PMC3788323 DOI: 10.2174/13816128113199990507] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2013] [Accepted: 07/09/2013] [Indexed: 12/17/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease in which the progressive destruction of joint causes morbidity. It is also associated with an increased risk of atherosclerosis, which can result in cardiovascular disease and mortality. The therapeutic goal is to control the systemic inflammation to obtain not only the remission of symptoms, but also improve general state of health. Although recent biologic immunosuppressive therapies targeting pro-inflammatory cytokines have spawned a paradigm shift regarding the prognosis of RA, these therapies possess inherent side effects. Also, early diagnosis of the disease remains confounded by uncertainty. While the mechanisms responsible for the onset of RA remain unclear, reactive oxygen species (ROS) play a significant role in the pathogenesis of RA. ROS play a central role both upstream and downstream of NF-κB and TNFα pathways, which are located at the center of the inflammatory response. Among the ROS, the hydroxyl radical is the most harmful, and molecular hydrogen (H2) is a selective scavenger for this species. Recently, it has been shown that H2 is useful when administered along with the conventional therapy in RA as it acts to reduce oxidative stress in the patients. Especially in the early stage, H2 showed significant therapeutic potential, which also seemed to assist diagnosis and treatment decisions of RA. The possible expectations regarding the potential benefits of H2 by reducing the oxidative stress, resulting from inflammatory factors, are raised and discussed here. They include prevention of RA and related atherosclerosis, as well as therapeutic validity for RA
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Affiliation(s)
- Toru Ishibashi
- Haradoi Hospital, Department of Rheumatology and Orthopaedic Surgery, 6-40-8 Aoba, Higashi-ku, Fukuoka 813-8588, Japan.
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Wongtrakul J, Janphen K, Saisawang C, Ketterman AJ. Interaction of Omega, Sigma, and Theta glutathione transferases with p38b mitogen-activated protein kinase from the fruit fly, Drosophila melanogaster. JOURNAL OF INSECT SCIENCE (ONLINE) 2014; 14:60. [PMID: 25373207 PMCID: PMC4207522 DOI: 10.1093/jis/14.1.60] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Accepted: 10/22/2012] [Indexed: 06/04/2023]
Abstract
Glutathione S-transferases (GSTs) are a diverse family of phase II detoxification enzymes found in almost all organisms. Besides playing a major role in the detoxification of xenobiotic and toxic compounds, GSTs are also involved in the regulation of mitogen activated protein (MAP) kinase signal transduction by interaction with proteins in the pathway. An in vitro study was performed for Theta, Omega, Sigma GSTs and their interaction with MAP kinase p38b protein from the fruit fly Drosophila melanogaster Meigen (Diptera: Drosophilidae). The study included the effects of all five Omega class GSTs (DmGSTO1, DmGSTO2a, DmGSTO2b, DmGSTO3, DmGSTO4), all five Theta class GSTs (DmGSTT1, DmGSTT2, DmGSTT3a, DmGSTT3b, DmGSTT4), and one Sigma class glutathione transferase on the activity of Drosophila p38b, including the reciprocal effect of this kinase protein on glutathione transferase activity. It was found that DmGSTT2, DmGSTT3b, DmGSTO1, and DmGSTO3 activated p38b significantly. Substrate specificities of GSTs were also altered after co-incubation with p38b. Although p38b activated DmGSTO1, DmGSTO2a, and DmGSTT2, it inhibited DmGSTT3b and DmGSTO3 activity toward xenobiotic and physiological substrates tested. These results suggest a novel link between Omega and Theta GSTs with the p38b MAP kinase pathway.
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Affiliation(s)
- J Wongtrakul
- Research Institute for Health Sciences (RIHES), Chiang Mai University, P.O.BOX 80 CMU, Chiang Mai, Thailand 50200
| | - K Janphen
- Research Institute for Health Sciences (RIHES), Chiang Mai University, P.O.BOX 80 CMU, Chiang Mai, Thailand 50200
| | - C Saisawang
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand 73170
| | - A J Ketterman
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand 73170
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30
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Suvakov S, Damjanovic T, Pekmezovic T, Jakovljevic J, Savic-Radojevic A, Pljesa-Ercegovac M, Radovanovic S, Simic DV, Pljesa S, Zarkovic M, Mimic-Oka J, Dimkovic N, Simic T. Associations of GSTM1*0 and GSTA1*A genotypes with the risk of cardiovascular death among hemodialyses patients. BMC Nephrol 2014; 15:12. [PMID: 24423050 PMCID: PMC3909531 DOI: 10.1186/1471-2369-15-12] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Accepted: 12/24/2013] [Indexed: 12/13/2022] Open
Abstract
Background The presence of glutathione transferase (GST) M1 null genotype (GSTM1-null) in end-stage renal disease (ESRD) patients is associated with lower overall survival rate in comparison to those with GSTM1-active variants. We examined association between GSTM1 and GSTT1 deletion polymorphisms as well as SNPs in GSTA1/rs3957357 and GSTP1/rs1695 genes with overall and cause-specific cardiovascular mortality in ESRD patients. Methods Total of 199 patients undergoing hemodialysis were included in the study. Median value of time elapsed from dialysis initiation until the death, or the end of follow-up was 8 ± 5 years. The effect of GSTM1, GSTT1, GSTP1 and GSTA1 gene polymorphisms on predicting overall and specific cardiovascular outcomes (myocardial infarction, MI or stroke) was analyzed using Cox regression model, and differences in survival were determined by Kaplan-Meier. Results GSTM1-null genotype in ESRD patients was found to be independent predictor of overall and cardiovascular mortality. However, after false discovery rate and Bonferroni corrections this effect was lost. The borderline effect modification by wild-type GSTA1*A/*A genotype on associations between GSTM1-null and analyzed outcomes was found only for death from stroke. Homozygous carriers of combined GSTM1*0/GSTA1*A genotype exhibited significantly shorter time to death of stroke or MI in comparison with carriers of either GSTM1-active or at least one GSTA1*B gene variant. The best survival rate regarding cardiovascular outcome was found for ESRD patients with combined GSTM1-active and mutant GSTA1*B/*B genotype. Conclusions Combined GSTM1*0/GSTA1*A genotypes might be considered as genetic markers for cardiovascular death risk in ESRD patients, which may permit targeting of preventive and early intervention.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Tatjana Simic
- Institute of Medical and Clinical Biochemistry, Faculty of Medicine, University of Belgrade, Pasterova 2, 11000, Belgrade, Serbia.
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Franceschini N, Le TH. Genetics of hypertension: discoveries from the bench to human populations. Am J Physiol Renal Physiol 2014; 306:F1-F11. [PMID: 24133117 PMCID: PMC3921821 DOI: 10.1152/ajprenal.00334.2013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2013] [Accepted: 10/11/2013] [Indexed: 12/20/2022] Open
Abstract
Hypertension is a complex trait that is influenced by both heritable and environmental factors. The search for genes accounting for the susceptibility to hypertension has driven parallel efforts in human research and in research using experimental animals in controlled environmental settings. Evidence from rodent models of genetic hypertension and human Mendelian forms of hypertension and hypotension have yielded mechanistic insights into the pathways that are perturbed in blood pressure homeostasis, most of which converge at the level of renal sodium reabsorption. However, the bridging of evidence from these very diverse approaches to identify mechanisms underlying hypertension susceptibility and the translation of these findings to human populations and public health remain a challenge. Furthermore, findings from genome-wide association studies still require functional validation in experimental models. In this review, we highlight results and implications from key studies in experimental and clinical hypertension to date.
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Chen D, Liu J, Rui B, Gao M, Zhao N, Sun S, Bi A, Yang T, Guo Y, Yin Z, Luo L. GSTpi protects against angiotensin II-induced proliferation and migration of vascular smooth muscle cells by preventing signal transducer and activator of transcription 3 activation. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2013; 1843:454-63. [PMID: 24321768 DOI: 10.1016/j.bbamcr.2013.11.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 11/20/2013] [Accepted: 11/27/2013] [Indexed: 10/25/2022]
Abstract
Angiotensin II (Ang II)-elicited excessive proliferation, hypertrophy and migration of vascular smooth muscle cells (VSMCs) are vital to the pathogenesis of atheroclerosis. Glutathione S-transferase pi (GSTpi) exists extensively in various kinds of cells and protects cells against different stresses. However, knowledge remains limited about what GSTpi acts in VSMCs. We investigated the effect of GSTpi on Ang II-induced VSMC proliferation, hypertrophy and migration and its latent mechanism. Overexpression and RNAi experiments demonstrated that GSTpi inhibited Ang II-induced proliferation, hypertrophy and migration of VSMCs and arrested progression of cell cycle from G0/G1 to S phase. Immunoprecipitation, mass spectrometry and confocal microscopy analyses showed that GSTpi directly associated with signal transducer and activator of transcription 3 (STAT3) to prevent Ang II-triggered binding of Src to STAT3 and thus suppressed Ang II-stimulated phosphorylation and nuclear translocation of STAT3, as well as cyclin D1 expression. In contrast, GSTpi didn't affect Ang II-activated extracellular signal-regulated kinase (ERK1/2). GSTpi acts as a negative regulator to prevent Ang II-triggered proliferative signaling in VSMCs, suggesting that it may protect vessels against the stresses associated with atherosclerosis formation.
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Affiliation(s)
- Dan Chen
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Jinjiao Liu
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Bing Rui
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Min Gao
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Ningwei Zhao
- School of Biotechnology, Royal Institute of Technology, No. 21, Roslagstullsbacken, Stockholm SE-10691, Sweden
| | - Shuai Sun
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Aijing Bi
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Tingting Yang
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China
| | - Yingtao Guo
- Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, People's Republic of China
| | - Zhimin Yin
- Jiangsu Province Key Laboratory for Molecular and Medicine Biotechnology, College of Life Science, Nanjing Normal University, Nanjing 210046, People's Republic of China.
| | - Lan Luo
- State Key Laboratory of Pharmaceutical Biotechnology, School of Life Sciences, Nanjing University, Nanjing 210097, People's Republic of China.
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Protective effect of the ultra-filtration extract from Xin Mai Jia on human aortic smooth muscle cell injury induced by hydrogen peroxide. Exp Ther Med 2013; 7:11-16. [PMID: 24348756 PMCID: PMC3861388 DOI: 10.3892/etm.2013.1365] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 10/14/2013] [Indexed: 11/21/2022] Open
Abstract
The aim of the present study was to explore whether an ultra-filtration extract from Xin Mai Jia (XMJ), a Chinese medicinal formulation, has a protective effect on human aortic smooth muscle cell (HASMC) injury models induced by hydrogen peroxide (H2O2), and to consider the mechanism and efficacy of the therapeutic action of XMJ on atherosclerosis. HASMCs were injured by H2O2 and then exposed to various concentrations of XMJ. The morphological changes, growth, proliferation, migration and cytokine release of HASMCs were detected using 2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide (XTT), an enzyme-linked immunosorbent assay and a scratch adhesion test. H2O2 significantly promoted the proliferation of HASMCs. The ultra-filtration extract from XMJ was observed to significantly attenuate the morphological changes of injured HASMCs, reduce the expression levels of intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), interleukin (IL)-1, IL-6 and nuclear factor (NF)-κB, and increase the expression levels of matrix metalloproteinase (MMP)-2 and tissue inhibitor of metalloproteinase (TIMP). XMJ has clear anti-inflammatory and antioxidant effects, and significantly inhibits the proliferation and migration of HASMCs.
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Allen CE, Sanders PW. Hypertensive nephrosclerosis: not enough of a good thing? Am J Physiol Renal Physiol 2013; 304:F674-5. [DOI: 10.1152/ajprenal.00695.2012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Christopher E. Allen
- Division of Nephrology, Department of Medicine, Nephrology Research and Training Center, Center for Free Radical Biology, Center for Aging, and Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama; and
- Department of Veterans Affairs Medical Center, Birmingham, Alabama
| | - Paul W. Sanders
- Division of Nephrology, Department of Medicine, Nephrology Research and Training Center, Center for Free Radical Biology, Center for Aging, and Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama; and
- Department of Veterans Affairs Medical Center, Birmingham, Alabama
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Chang J, Ma JZ, Zeng Q, Cechova S, Gantz A, Nievergelt C, O'Connor D, Lipkowitz M, Le TH. Loss of GSTM1, a NRF2 target, is associated with accelerated progression of hypertensive kidney disease in the African American Study of Kidney Disease (AASK). Am J Physiol Renal Physiol 2013; 304:F348-55. [PMID: 23220723 PMCID: PMC3566499 DOI: 10.1152/ajprenal.00568.2012] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2012] [Accepted: 12/03/2012] [Indexed: 01/01/2023] Open
Abstract
Oxidative stress is acknowledged to play a role in kidney disease progression. Genetic variants that affect the capacity to handle oxidative stress may therefore influence the outcome of kidney disease. We examined whether genetic variants of the GSTM1 gene, a member of a superfamily of glutathione S-transferases, influence the course of kidney disease progression in participants of the African American Study of Kidney Disease (AASK) trial. Groups with and without the common GSTM1 null allele, GSTM1(0), differed significantly in the time to a glomerular filtration rate (GFR) event or dialysis (P = 0.04) and in the time to GFR event, dialysis, or death (P = 0.02). The hazard ratios (HR) for the time to a GFR event or dialysis in those with two or one null allele relative to those possessing none were 1.88 [95% confidence interval (CI), 1.07 to 3.30, P = 0.03] and 1.68 (95% CI, 1.00 to 2.84, P < 0.05), respectively. For the time to GFR event, dialysis, or death, the HR for two null alleles was 2.06 (95% CI, 1.20 to 3.55, P = 0.01) and for one null allele 1.70 (95% CI, 1.02 to 2.81, P = 0.04). We demonstrated that GSTM1 directly regulates intracellular levels of 4-hydroxynonenal (4-HNE) in vascular smooth muscle cells. Furthermore, we showed that renal 4-HNE levels and GSTM1 are both increased after reduction of renal mass (RRM) in the mouse. We conclude that GSTM1 is normally upregulated in chronic kidney disease (CKD) in a protective response to increased oxidative stress. A genetic variant that results in loss of GSTM1 activity may be deleterious in CKD.
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MESH Headings
- Aldehydes/metabolism
- Animals
- Black People/genetics
- Black People/statistics & numerical data
- Cells, Cultured
- Disease Progression
- Female
- Gene Silencing/physiology
- Glomerular Filtration Rate/genetics
- Glomerular Filtration Rate/physiology
- Glutathione Transferase/genetics
- Glutathione Transferase/physiology
- Humans
- Hypertension, Renal/enzymology
- Hypertension, Renal/ethnology
- Hypertension, Renal/genetics
- Hypertension, Renal/mortality
- Male
- Mice
- Mice, Inbred C57BL
- Middle Aged
- Muscle, Smooth, Vascular/physiology
- Myocytes, Smooth Muscle/physiology
- NF-E2-Related Factor 2/physiology
- Nephritis/enzymology
- Nephritis/ethnology
- Nephritis/genetics
- Nephritis/mortality
- Oxidative Stress/genetics
- Oxidative Stress/physiology
- Randomized Controlled Trials as Topic
- Renal Insufficiency, Chronic/enzymology
- Renal Insufficiency, Chronic/genetics
- Renal Insufficiency, Chronic/physiopathology
- Black or African American
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Affiliation(s)
- Jamison Chang
- Department of Medicine, University of Virginia, Charlottesville, VA 22908, USA
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Tan F, Jin Y, Liu W, Quan X, Chen J, Liang Z. Global liver proteome analysis using iTRAQ labeling quantitative proteomic technology to reveal biomarkers in mice exposed to perfluorooctane sulfonate (PFOS). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2012; 46:12170-12177. [PMID: 23046066 DOI: 10.1021/es3027715] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Proteomic analysis allows detection of changes of proteins expression in organisms exposed to environmental pollutants, leading to the discovery of biomarkers of exposure and understanding of the action mechanism of toxicity. In the present study, we applied iTRAQ labeling quantitative proteomic technology for global characterization of the liver proteome in mice exposed to perfluorooctane sulfonate (PFOS). This successfully identified and quantified 1038 unique proteins. Seventy-one proteins showed a significant expression change in the treated groups (1.0, 2.5, 5.0 mg/kg of body weight) compared with the control group, and 16 proteins displayed strong dose-dependent changes. Gene ontology analysis showed that these differential proteins were significantly enriched and mainly involved in lipid metabolism, transport, biosynthetic processes, and response to stimulus. We detected significantly increased expression levels of enzymes regulating peroxisomal β-oxidation-including long-chain acyl-CoA synthetase, acyl-CoA oxidase 1, bifunctional enzyme, and 3-ketoacyl-CoA thiolase A. PFOS also significantly induced cytochrome P450s and glutathione S-transferases that are responsible for the metabolism of xenobiotic compounds. The expressions of several proteins with important biological functions-such as cysteine sulfinic acid decarboxylase, aldehyde dehydrogenase, and apolipoprotein A-I, also correlated with PFOS exposure. Together, the present results provide insight into the molecular mechanism and biomarkers for PFOS-induced effects.
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Affiliation(s)
- Feng Tan
- Key Laboratory of Industrial Ecology and Environmental Engineering (MOE), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China.
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Wu W, Peden D, Diaz-Sanchez D. Role of GSTM1 in resistance to lung inflammation. Free Radic Biol Med 2012; 53:721-9. [PMID: 22683820 PMCID: PMC3418458 DOI: 10.1016/j.freeradbiomed.2012.05.037] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Revised: 05/18/2012] [Accepted: 05/23/2012] [Indexed: 01/04/2023]
Abstract
Lung inflammation resulting from oxidant/antioxidant imbalance is a common feature of many lung diseases. In particular, the role of enzymes regulated by the NF-E2-related factor 2 transcription factor has recently received increased attention. Among these antioxidant genes, glutathione S-transferase Mu 1 (GSTM1) has been most extensively characterized because it has a null polymorphism that is highly prevalent in the population and associated with increased risk of inflammatory lung diseases. Present evidence suggests that GSTM1 acts through interactions with other genes and environmental factors, especially air pollutants. Here, we review GSTM1 gene expression and regulation and summarize the findings from epidemiological, clinical, animal, and in vitro studies on the role played by GSTM1 in lung inflammation. We discuss limitations in the existing knowledge base and future perspectives and evaluate the potential of pharmacologic and genetic manipulation of the GSTM1 gene to modulate pulmonary inflammatory responses.
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Affiliation(s)
- Weidong Wu
- Department of Pediatrics, Center for Environmental Medicine, Asthma, and Lung Biology, University of North Carolina, Chapel Hill, NC 7599, USA.
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Fulgenzi A, Zanella SG, Mariani MM, Vietti D, Ferrero ME. A case of multiple sclerosis improvement following removal of heavy metal intoxication: lessons learnt from Matteo's case. Biometals 2012; 25:569-76. [PMID: 22438029 DOI: 10.1007/s10534-012-9537-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Accepted: 03/07/2012] [Indexed: 12/24/2022]
Abstract
Multiple sclerosis (MS) is a chronic progressive disease of the central nervous system (CNS) provoking disability and neurological symptoms. The exact causes of SM are unknown, even if it is characterized by focal inflammatory lesions in CNS accompanied by autoimmune reaction against myelin. Indeed, many drugs able to modulate the immune response of patients have been used to treat MS. More recently, toxic metals have been proposed as possible causes of neurodegenerative diseases. The objective of this study is to investigate in vivo the impact of heavy metal intoxication in MS progression. We studied the case of a patient affected by MS, who has been unsuccessfully treated for some years with current therapies. We examined his levels of toxic heavy metals in the urine, following intravenous "challenge" with the chelating agent calcium disodium ethylene diamine tetraacetic acid (EDTA).The patient displayed elevated levels of aluminium, lead and mercury in the urine. Indeed, he was subjected to treatment with EDTA twice a month. Under treatment, the patient revealed in time improved symptoms suggestive of MS remission. The clinical data correlated with the reduction of heavy metal levels in the urine to normal range values. Our case report suggests that levels of toxic metals can be tested in patients affected by neurodegenerative diseases as MS.
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Affiliation(s)
- Alessandro Fulgenzi
- Dipartimento di Morfologia Umana e Scienze Biomediche Città Studi, Università degli Studi di Milano, Via L. Mangiagalli, 31, 20133 Milan, Italy.
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39
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Wongtrakul J, Sukittikul S, Saisawang C, Ketterman AJ. Mitogen-activated protein kinase p38b interaction with delta class glutathione transferases from the fruit fly, Drosophila melanogaster. JOURNAL OF INSECT SCIENCE (ONLINE) 2012; 12:107. [PMID: 23438069 PMCID: PMC3605031 DOI: 10.1673/031.012.10701] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2011] [Accepted: 01/17/2012] [Indexed: 05/29/2023]
Abstract
Glutathione transferases (GSTs) are a family of multifunctional enzymes involved in xenobiotic biotransformation, drug metabolism, and protection against oxidative damage. The p38b mitogen-activated protein kinase is involved in cellular stress response. This study screened interactions between Drosophila melanogaster Meigen (Diptera: Drosophilidae) Delta class glutathione transferases (DmGSTs) and the D. melanogaster p38b MAPK. Therefore, 12 DmGSTs and p38b kinase were obtained as recombinant proteins. The study showed that DmGSTD8 and DmGSTD11b significantly increased p38b activity toward ATF2 and jun, which are transcription factor substrates. DmGSTD3 and DmGSTD5 moderately increased p38b activity for jun. In addition, GST activity in the presence of p38b was also measured. It was found that p38b affected substrate specificity toward CDNB (1-chloro-2,4-dinitrobenzene) and DCNB (1,2-dichloro-4-nitrobenzene) of several GST isoforms, i.e., DmGSTD2, DmGSTD5, DmGSTD8, and DmGSTD11b. The interaction of a GST and p38b can affect the substrate specificity of either enzyme, which suggests induced conformational changes affecting catalysis. Similar interactions do not occur for all the Delta enzymes and p38b, which suggests that these interactions could be specific.
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Affiliation(s)
- Jeerang Wongtrakul
- Research Institute for Health Sciences (RIHES), Chiang Mai University, P.O.BOX 80 CMU, Chiang Mai, Thailand
50200
| | - Suchada Sukittikul
- Research Institute for Health Sciences (RIHES), Chiang Mai University, P.O.BOX 80 CMU, Chiang Mai, Thailand
50200
| | - Chonticha Saisawang
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand 73170
| | - Albert J. Ketterman
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand 73170
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Swales KE, Moore R, Truss NJ, Tucker A, Warner TD, Negishi M, Bishop-Bailey D. Pregnane X receptor regulates drug metabolism and transport in the vasculature and protects from oxidative stress. Cardiovasc Res 2011; 93:674-81. [PMID: 22166712 PMCID: PMC3291088 DOI: 10.1093/cvr/cvr330] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
AIMS Circulating endogenous, dietary, and foreign chemicals can contribute to vascular dysfunction. The mechanism by which the vasculature protects itself from these chemicals is unknown. This study investigates whether the pregnane X receptor (PXR), the major transcriptional regulator of hepatic drug metabolism and transport that responds to such xenobiotics, mediates vascular protection by co-ordinating a defence gene programme in the vasculature. METHODS AND RESULTS PXR was detected in primary human and rat aortic endothelial and smooth muscle cells (SMC) and blood vessels including the human and rat aorta. Metabolic PXR target genes cytochrome P450 3A, 2B, 2C, and glutathione S-transferase mRNA and activity were induced by PXR ligands in rodent and human vascular cells and absent in the aortas from PXR-null mice stimulated in vivo or in rat aortic SMC expressing dominant-negative PXR. Activation of aortic PXR by classical agonists had several protective effects: increased xenobiotic metabolism demonstrated by bioactivation of the pro-drug clopidogrel, which reduced adenosine diphosphate-induced platelet aggregation; increased expression of multidrug resistance protein 1, mediating chemical efflux from the vasculature; and protection from reactive oxygen species-mediated cell death. CONCLUSION PXR co-ordinately up-regulates drug metabolism, transport, and antioxidant genes to protect the vasculature from endogenous and exogenous insults, thus representing a novel gatekeeper for vascular defence.
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Affiliation(s)
- Karen E Swales
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey GU2 7XH, UK.
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Nørskov MS, Frikke-Schmidt R, Loft S, Sillesen H, Grande P, Nordestgaard BG, Tybjærg-Hansen A. Copy Number Variation in
Glutathione S-Transferases M1
and
T1
and Ischemic Vascular Disease. ACTA ACUST UNITED AC 2011; 4:418-28. [DOI: 10.1161/circgenetics.111.959809] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background—
Glutathione S-transferases (GSTs) M1 and T1 detoxify products of oxidative stress and may protect against atherosclerosis and ischemic vascular disease (IVD). We tested the hypothesis that copy number variation (CNV) in
GSTM1
and
GSTT1
genes, known to be associated with stepwise decreases in catalytic activity, predict risk of IVD.
Methods and Results—
We included 23 059 Danes from 2 general population studies and 2 case-control studies, of whom 4930 had ischemic heart disease (IHD) and 2086 had ischemic cerebrovascular disease. A real-time polymerase chain reaction method genotyped for the exact number of
GSTM1
and
GST
T1
gene copies. We also performed meta-analyses, including our own and former studies, totaling 13 196 IHD cases and 33 228 controls. CNV in
GSTM1
or
GSTT1
or genotype combinations were not associated with an increased risk of IHD, myocardial infarction, ischemic cerebrovascular disease, ischemic stroke, or any ischemic vascular event in studies individually or combined or in the meta-analyses. Furthermore, genotypes did not interact with smoking on risk of disease end points. Finally,
GST
genotypes did not associate with markers of inflammation and oxidation or interact with smoking on markers of inflammation in the general population. In contrast, we observed the well-established association between CNV in
GSTM1
and risk of bladder cancer.
Conclusions—
In studies including 6557 IVD cases and 16 502 controls and in meta-analyses of 13 196 cases and 33 228 controls, CNV in
GSTM1
and
GST
T1
genes did not associate with risk of IVD or with markers of inflammation. These observations were independent of smoking exposure.
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Affiliation(s)
- Marianne S. Nørskov
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Ruth Frikke-Schmidt
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Steffen Loft
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Henrik Sillesen
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Peer Grande
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Børge G. Nordestgaard
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
| | - Anne Tybjærg-Hansen
- From the Departments of Clinical Biochemistry (M.S.N., R.F.-S., A.T.-H.), Vascular Surgery (H.S.), and Cardiology (P.G.), Rigshospitalet; Department of Environmental Health, Institute of Public Health (S.L.); Department of Clinical Biochemistry (B.G.N.) and The Copenhagen General Population Study (R.F.-S., B.G.N., A.T.-H.), Herlev Hospital; The Copenhagen City Heart Study (B.G.N., A.T.-H.), Bispebjerg Hospital; and Copenhagen University Hospitals and Faculty of Health Sciences (M.S.N., R.F.-S., S.L
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Cheng BH, Liu Y, Xuei X, Liao CP, Lu D, Lasbury ME, Durant PJ, Lee CH. Microarray studies on effects of Pneumocystis carinii infection on global gene expression in alveolar macrophages. BMC Microbiol 2010; 10:103. [PMID: 20377877 PMCID: PMC2858032 DOI: 10.1186/1471-2180-10-103] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2009] [Accepted: 04/08/2010] [Indexed: 01/03/2023] Open
Abstract
Background Pneumocystis pneumonia is a common opportunistic disease in AIDS patients. The alveolar macrophage is an important effector cell in the clearance of Pneumocystis organisms by phagocytosis. However, both the number and phagocytic activity of alveolar macrophages are decreased in Pneumocystis infected hosts. To understand how Pneumocystis inactivates alveolar macrophages, Affymetrix GeneChip® RG-U34A DNA microarrays were used to study the difference in global gene expression in alveolar macrophages from uninfected and Pneumocystis carinii-infected Sprague-Dawley rats. Results Analyses of genes that were affected by Pneumocystis infection showed that many functions in the cells were affected. Antigen presentation, cell-mediated immune response, humoral immune response, and inflammatory response were most severely affected, followed by cellular movement, immune cell trafficking, immunological disease, cell-to-cell signaling and interaction, cell death, organ injury and abnormality, cell signaling, infectious disease, small molecular biochemistry, antimicrobial response, and free radical scavenging. Since rats must be immunosuppressed in order to develop Pneumocystis infection, alveolar macrophages from four rats of the same sex and age that were treated with dexamethasone for the entire eight weeks of the study period were also examined. With a filter of false-discovery rate less than 0.1 and fold change greater than 1.5, 200 genes were found to be up-regulated, and 144 genes were down-regulated by dexamethasone treatment. During Pneumocystis pneumonia, 115 genes were found to be up- and 137 were down-regulated with the same filtering criteria. The top ten genes up-regulated by Pneumocystis infection were Cxcl10, Spp1, S100A9, Rsad2, S100A8, Nos2, RT1-Bb, Lcn2, RT1-Db1, and Srgn with fold changes ranging between 12.33 and 5.34; and the top ten down-regulated ones were Lgals1, Psat1, Tbc1d23, Gsta1, Car5b, Xrcc5, Pdlim1, Alcam, Cidea, and Pkib with fold changes ranging between -4.24 and -2.25. Conclusions In order to survive in the host, Pneumocystis organisms change the expression profile of alveolar macrophages. Results of this study revealed that Pneumocystis infection affects many cellular functions leading to reduced number and activity of alveolar macrophages during Pneumocystis pneumonia.
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Affiliation(s)
- Bi-Hua Cheng
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung, Taiwan
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