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Liang Z, Zhang N, Wang X, Zhang J, Li K, Lei T. Epothilone B inactivation of Sirtuin1 promotes mitochondrial reactive oxygen species to induce dysfunction and ferroptosis of Schwann cells. Eur J Pharm Sci 2023; 181:106350. [PMID: 36496165 DOI: 10.1016/j.ejps.2022.106350] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/26/2022] [Accepted: 12/06/2022] [Indexed: 12/12/2022]
Abstract
Epothilone B (EpoB) is an FDA-approved anti-neoplastic agent used to treat metastatic breast cancer; However, its usage is limited due to its severe peripheral neurotoxicity. Ferroptosis is a type of programmed cell death triggered by iron accumulation, and it is induced by lipid peroxidation. Ferroptosis has been linked to multiple diseases, including cancer, type 2 diabetes, and neurodegenerative disorders. Here, we assessed the role of ferroptosis in EpoB-induced neural dysfunction. Our results revealed that EpoB induced ferroptosis, which was significantly reduced by the ferroptosis inhibitor Fer-1. In addition, EpoB decreased the mitochondrial membrane potential and the cytochrome c levels in Schwann cells (SCs). The antioxidant MitoTEMPO, which targets the mitochondria, reduced ferroptosis brought on by EpoB. Moreover, we demonstrated that in vivo EpoB-induced myelin degradation and neuronal dysfunction were mitigated by SRT1720, a Sirtuin1 (SIRT1) activator, and by SRT1720 and mitoquinone mesylate (mitoQ). Our results suggest that ferroptosis elicited by EpoB is caused by mitochondrial damage mediated by SIRT1 inactivation and that ferroptosis causes neural dysfunction following EpoB.
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Affiliation(s)
- Zhuowen Liang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Na Zhang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Xuankang Wang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Jiawei Zhang
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China
| | - Kun Li
- Xijing Orthopaedics Hospital, Fourth Military Medical University, Xi'an, Shaanxi 710032, China.
| | - Tao Lei
- Department of Biomedical Engineering, School of Biomedical Engineering, Fourth Military Medical University, Xi'an, Shaanxi 710032, China.
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Makinde E, Ma L, Mellick GD, Feng Y. Mitochondrial Modulators: The Defender. Biomolecules 2023; 13:biom13020226. [PMID: 36830595 PMCID: PMC9953029 DOI: 10.3390/biom13020226] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 01/19/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023] Open
Abstract
Mitochondria are widely considered the "power hub" of the cell because of their pivotal roles in energy metabolism and oxidative phosphorylation. However, beyond the production of ATP, which is the major source of chemical energy supply in eukaryotes, mitochondria are also central to calcium homeostasis, reactive oxygen species (ROS) balance, and cell apoptosis. The mitochondria also perform crucial multifaceted roles in biosynthetic pathways, serving as an important source of building blocks for the biosynthesis of fatty acid, cholesterol, amino acid, glucose, and heme. Since mitochondria play multiple vital roles in the cell, it is not surprising that disruption of mitochondrial function has been linked to a myriad of diseases, including neurodegenerative diseases, cancer, and metabolic disorders. In this review, we discuss the key physiological and pathological functions of mitochondria and present bioactive compounds with protective effects on the mitochondria and their mechanisms of action. We highlight promising compounds and existing difficulties limiting the therapeutic use of these compounds and potential solutions. We also provide insights and perspectives into future research windows on mitochondrial modulators.
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Yuan Y, Yucai L, Lu L, Hui L, Yong P, Haiyang Y. Acrylamide induces ferroptosis in HSC-T6 cells by causing antioxidant imbalance of the XCT-GSH-GPX4 signaling and mitochondrial dysfunction. Toxicol Lett 2022; 368:24-32. [PMID: 35963425 DOI: 10.1016/j.toxlet.2022.08.007] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 08/02/2022] [Accepted: 08/09/2022] [Indexed: 11/25/2022]
Abstract
Acrylamide (AA) is a heat-induced food contaminant, mainly metabolized by the liver. Increasing evidences have proved that ferroptosis is linked to the pathogenesis of liver disease. In the current study, the underlying mechanism of AA-induced rat hepatic stellate (HSC-T6) cells ferroptosis was investigated by detecting changes in iron levels, expressions of ferroptosis-related proteins and indicators of mitochondrial dysfunction. The results showed that AA treatment led to iron levels increased and expressions of long-chain acyl-CoA synthase 4 (ACSL4), cyclooxygenase 2 (COX2) and ferritin heavy chain 1 (FTH1) proteins in HSC-T6 cells were all altered. Treatment with the ferroptosis inhibitor ferrostatin-1 (Fer-1) markedly reversed the impact of AA, suggesting that AA induced ferroptosis in HSC-T6 cells. Mechanistically, AA induced the onset of ferroptosis by affecting XCT-GSH-GPX4 antioxidant signaling. Moreover, AA created a peroxidative environment for ferroptosis by inducing oxidative stress in HSC-T6 cells through mitochondrial dysfunction, as evidenced by increased mitochondrial ROS (mtROS) release, mitochondrial membrane potential (MMP) depolarization, and decreased mitochondrial ATP. Our results indicated that AA resulted in mitochondrial dysfunction and ferroptosis, and dysregulation of XCT-GSH-GPX4 antioxidant signaling was a key factor in AA-induced ferroptosis.
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Affiliation(s)
- Yuan Yuan
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Li Yucai
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Li Lu
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Liu Hui
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Pang Yong
- College of Food Science and Engineering, Jilin University, Changchun 130062, China
| | - Yan Haiyang
- College of Food Science and Engineering, Jilin University, Changchun 130062, China.
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Ashkar F, Bhullar KS, Wu J. The Effect of Polyphenols on Kidney Disease: Targeting Mitochondria. Nutrients 2022; 14:nu14153115. [PMID: 35956292 PMCID: PMC9370485 DOI: 10.3390/nu14153115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 07/26/2022] [Accepted: 07/27/2022] [Indexed: 02/01/2023] Open
Abstract
Mitochondrial function, including oxidative phosphorylation (OXPHOS), mitochondrial biogenesis, and mitochondria dynamics, are essential for the maintenance of renal health. Through modulation of mitochondrial function, the kidneys are able to sustain or recover acute kidney injury (AKI), chronic kidney disease (CKD), nephrotoxicity, nephropathy, and ischemia perfusion. Therapeutic improvement in mitochondrial function in the kidneys is related to the regulation of adenosine triphosphate (ATP) production, free radicals scavenging, decline in apoptosis, and inflammation. Dietary antioxidants, notably polyphenols present in fruits, vegetables, and plants, have attracted attention as effective dietary and pharmacological interventions. Considerable evidence shows that polyphenols protect against mitochondrial damage in different experimental models of kidney disease. Mechanistically, polyphenols regulate the mitochondrial redox status, apoptosis, and multiple intercellular signaling pathways. Therefore, this review attempts to focus on the role of polyphenols in the prevention or treatment of kidney disease and explore the molecular mechanisms associated with their pharmacological activity.
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Affiliation(s)
| | | | - Jianping Wu
- Correspondence: ; Tel.: +1-780-492-6885; Fax: +1-780-492-8524
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Jarisarapurin W, Kunchana K, Chularojmontri L, Wattanapitayakul SK. Unripe Carica papaya Protects Methylglyoxal-Invoked Endothelial Cell Inflammation and Apoptosis via the Suppression of Oxidative Stress and Akt/MAPK/NF-κB Signals. Antioxidants (Basel) 2021; 10:antiox10081158. [PMID: 34439407 PMCID: PMC8388906 DOI: 10.3390/antiox10081158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/24/2022] Open
Abstract
Methylglyoxal (MGO), a highly reactive dicarbonyl compound, causes endothelial oxidative stress and vascular complications in diabetes. Excessive MGO-induced ROS production triggers eNOS uncoupling, inflammatory responses, and cell death signaling cascades. Our previous study reported that unripe Carica papaya (UCP) had antioxidant activities that prevented H2O2-induced endothelial cell death. Therefore, this study investigated the preventive effect of UCP on MGO-induced endothelial cell damage, inflammation, and apoptosis. The human endothelial cell line (EA.hy926) was pretreated with UCP for 24 h, followed by MGO-induced dicarbonyl stress. Treated cells were evaluated for intracellular ROS/O2•− formation, cell viability, apoptosis, NO releases, and cell signaling through eNOS, iNOS, COX-2, NF-κB, Akt, MAPK (JNK and p38), and AMPK/SIRT1 autophagy pathways. UCP reduced oxidative stress and diminished phosphorylation of Akt, stress-activated MAPK, leading to the decreases in NF-kB-activated iNOS and COX-2 expression. However, UCP had no impact on the autophagy pathway (AMPK and SIRT1). Although UCP pretreatment decreased eNOS phosphorylation, the amount of NO production was not altered. The signaling of eNOS and NO production were decreased after MGO incubation, but these effects were unaffected by UCP pretreatment. In summary, UCP protected endothelial cells against carbonyl stress by the mechanisms related to ROS/O2•− scavenging activities, suppression of inflammatory signaling, and inhibition of JNK/p38/apoptosis pathway. Thus, UCP shows considerable promise for developing novel functional food and nutraceutical products to reduce risks of endothelial inflammation and vascular complications in diabetes.
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Affiliation(s)
- Wattanased Jarisarapurin
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (W.J.); (K.K.)
| | - Khwandow Kunchana
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (W.J.); (K.K.)
| | - Linda Chularojmontri
- Department of Preclinical Sciences, Faculty of Medicine, Thammasat University, Pathum Thani 12121, Thailand;
| | - Suvara K. Wattanapitayakul
- Department of Pharmacology, Faculty of Medicine, Srinakharinwirot University, Bangkok 10110, Thailand; (W.J.); (K.K.)
- Correspondence: ; Tel.: +66-2649-5385
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Yang Y, Liu MC, Li H, Yang YG, Su N, Wu YJ, Wang H. Proteomics analysis of the protective effect of canola (Brassica campestris L.) bee pollen flavonoids on the tert-butyl hydroperoxide-induced EA.hy926 cell injury model. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.104223] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Siddiqui SS, Rahman S, Rupasinghe HV, Vazhappilly CG. Dietary Flavonoids in p53-Mediated Immune Dysfunctions Linking to Cancer Prevention. Biomedicines 2020; 8:biomedicines8080286. [PMID: 32823757 PMCID: PMC7460013 DOI: 10.3390/biomedicines8080286] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/03/2020] [Accepted: 08/11/2020] [Indexed: 12/14/2022] Open
Abstract
The p53 protein plays a central role in mediating immune functioning and determines the fate of the cells. Its role as a tumor suppressor, and in transcriptional regulation and cytokine activity under stress conditions, is well defined. The wild type (WT) p53 functions as a guardian for the genome, while the mutant p53 has oncogenic roles. One of the ways that p53 combats carcinogenesis is by reducing inflammation. WT p53 functions as an anti-inflammatory molecule via cross-talk activity with multiple immunological pathways, such as the major histocompatibility complex I (MHCI) associated pathway, toll-like receptors (TLRs), and immune checkpoints. Due to the multifarious roles of p53 in cancer, it is a potent target for cancer immunotherapy. Plant flavonoids have been gaining recognition over the last two decades to use as a potential therapeutic regimen in ameliorating diseases. Recent studies have shown the ability of flavonoids to suppress chronic inflammation, specifically by modulating p53 responses. Further, the anti-oxidant Keap1/Nrf2/ARE pathway could play a crucial role in mitigating oxidative stress, leading to a reduction of chronic inflammation linked to the prevention of cancer. This review aims to discuss the pharmacological properties of plant flavonoids in response to various oxidative stresses and immune dysfunctions and analyzes the cross-talk between flavonoid-rich dietary intake for potential disease prevention.
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Affiliation(s)
- Shoib Sarwar Siddiqui
- Department of Biotechnology, American University of Ras Al Khaimah, Ras Al Khaimah PO Box 10021, UAE;
| | - Sofia Rahman
- School of Natural Sciences and Mathematics, The University of Texas at Dallas, Richardson, TX 75080, USA;
| | - H.P. Vasantha Rupasinghe
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - Cijo George Vazhappilly
- Department of Biotechnology, American University of Ras Al Khaimah, Ras Al Khaimah PO Box 10021, UAE;
- Correspondence:
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Wei S, Qiu T, Yao X, Wang N, Jiang L, Jia X, Tao Y, Wang Z, Pei P, Zhang J, Zhu Y, Yang G, Liu X, Liu S, Sun X. Arsenic induces pancreatic dysfunction and ferroptosis via mitochondrial ROS-autophagy-lysosomal pathway. JOURNAL OF HAZARDOUS MATERIALS 2020; 384:121390. [PMID: 31735470 DOI: 10.1016/j.jhazmat.2019.121390] [Citation(s) in RCA: 226] [Impact Index Per Article: 56.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/02/2019] [Accepted: 10/03/2019] [Indexed: 05/16/2023]
Abstract
Chronic arsenic exposure is a significantly risk factor for pancreatic dysfunction and type 2 diabetes (T2D). Ferroptosis is a newly identified iron-dependent form of oxidative cell death that relies on lipid peroxidation. Previous data have indicated that ferroptosis is involved in various diseases, including cancers, neurodegenerative diseases, and T2D. However, the concrete effect and mechanism of ferroptosis on pancreatic dysfunction triggered by arsenic remains unknown. In this study, we verified that ferroptosis occurred in animal models of arsenic-induced pancreatic dysfunction through assessing proferroptotic markers and morphological changes in mitochondria. In vitro, arsenic caused execution of ferroptosis in a dose-dependent manner, which could be significantly reduced by ferrostatin-1. Additionally, arsenic damaged mitochondria manifested as diminishing of mitochondrial membrane potential, reduced cytochrome c level and production of mitochondrial reactive oxygen species (MtROS) in MIN6 cells. Using the Mito-TEMPO, we found the autophagy level and subsequent ferroptotic cell death induced by arsenic were both alleviated. With autophagy inhibitor chloroquine, we further revealed that ferritin regulated ferroptosis through the MtROS-autophagy pathway. Collectively, NaAsO2-induced ferroptotic cell death is relied on the MtROS-dependent autophagy by regulating the iron homeostasis. Ferroptosis is involved in pancreatic dysfunction triggered by arsenic, and arsenic-induced ferroptosis involves MtROS, autophagy, ferritin.
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Affiliation(s)
- Sen Wei
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Tianming Qiu
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Xiaofeng Yao
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Ningning Wang
- Experimental Teaching Center of Public Health, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Liping Jiang
- Experimental Teaching Center of Public Health, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Xue Jia
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Ye Tao
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Zhidong Wang
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Pei Pei
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Jingyuan Zhang
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Yuhan Zhu
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Guang Yang
- Nutrition and Food Hygiene, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Xiaofang Liu
- Nutrition and Food Hygiene, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Shuang Liu
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
| | - Xiance Sun
- Occupational and Environmental Health Department, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China; Global Health Research Center, Dalian Medical University, 9 Lvshun South Road, Dalian, 116044, PR China.
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Cong L, Su Y, Wei D, Qian L, Xing D, Pan J, Chen Y, Huang M. Catechin relieves hypoxia/reoxygenation-induced myocardial cell apoptosis via down-regulating lncRNA MIAT. J Cell Mol Med 2020; 24:2356-2368. [PMID: 31955523 PMCID: PMC7011153 DOI: 10.1111/jcmm.14919] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 11/22/2019] [Accepted: 11/27/2019] [Indexed: 12/16/2022] Open
Abstract
Background Catechin protects heart from myocardial ischaemia/reperfusion (MI/R) injury. However, whether catechin inhibits H/R‐induced myocardial cell apoptosis is largely unknown. Objective This study aims to investigate the underlying mechanism of catechin in inhibiting the apoptosis of H/R‐induced myocardial cells. Methods LncRNA MIAT expression was detected by qRT‐PCR. Cell viability of H9C2 cells was detected using CCK‐8 assay. The apoptosis of H9C2 cells was detected by flow cytometry. The interaction between CREB and MIAT promoter regions was confirmed by dual‐luciferase reporter gene assay and ChIP assay. Results In MI/R rats, catechin improved heart function and down‐regulated lncRNA MIAT expression in myocardial tissue. In H/R‐induced H9C2 cells, catechin protected against cell apoptosis, and lncRNA MIAT overexpression attenuated this protective effect of catechin. We confirmed that transcription factor CREB could bind to MIAT promoter region, and catechin suppressed lncRNA MIAT expression through up‐regulating CREB. Catechin improved mitochondrial function and relieved apoptosis through promoting Akt/Gsk‐3β activation. In addition, MIAT inhibited Akt/Gsk‐3β activation and promoted cell apoptosis in H/R‐induced H9C2 cells. Finally, we found catechin promoted Akt/Gsk‐3β activation through inhibiting MIAT expression in H/R‐induced H9C2 cells. Conclusion Catechin relieved H/R‐induced myocardial cell apoptosis through regulating CREB/lncRNA MIAT/Akt/Gsk‐3β pathway.
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Affiliation(s)
- Lin Cong
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yisheng Su
- Department of Cardiology, Cardiovascular Key Laboratory of Zhejiang Province, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Dazhen Wei
- Department of Intensive Care Unit, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lu Qian
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Dawei Xing
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jialin Pan
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Ye Chen
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Mingyuan Huang
- Department of Cardiology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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Polyphenolic Composition of Rosa canina, Rosa sempervivens and Pyrocantha coccinea Extracts and Assessment of Their Antioxidant Activity in Human Endothelial Cells. Antioxidants (Basel) 2019; 8:antiox8040092. [PMID: 30959906 PMCID: PMC6523071 DOI: 10.3390/antiox8040092] [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: 03/06/2019] [Revised: 03/30/2019] [Accepted: 04/01/2019] [Indexed: 12/20/2022] Open
Abstract
The aim of the present study was the investigation of the antioxidant activity of plant extracts from Rosa canina, Rosa sempervivens and Pyrocantha coccinea. The results showed that the bioactive compounds found at higher concentrations were in the R. canina extract: hyperoside, astragalin, rutin, (+)-catechin and (-)-epicatechin; in the R. sempervirens extract: quinic acid, (+)-catechin, (−)-epicatechin, astragalin and hyperoside; and in the P. coccinea extract: hyperoside, rutin, (−)-epicatechin, (+)-catechin, astragalin, vanillin, syringic acid and chlorogenic acid. The total polyphenolic content was 290.00, 267.67 and 226.93 mg Gallic Acid Equivalent (GAE)/g dw, and the total flavonoid content 118.56, 65.78 and 99.16 mg Catechin Equivalent (CE)/g dw for R. caninna, R. sempervirens and P. coccinea extracts, respectively. The extracts exhibited radical scavenging activity in DPPH and 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulphonic acid) (ABTS)•+ assays and protection from ROO•-induced DNA damage in the following potency order: R. canina > R. sempervirens > P. coccinea. Finally, treatment with R. canina and P. coccinea extract significantly increased the levels of the antioxidant molecule glutathione, while R. canina extract significantly decreased Reactive Oxygen Species (ROS) in endothelial cells. The results herein indicated that the R. canina extract in particular may be used for developing food supplements or biofunctional foods for the prevention of oxidative stress-induced pathological conditions of endothelium.
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Farkhondeh T, Samarghandian S, Roshanravan B. Impact of chrysin on the molecular mechanisms underlying diabetic complications. J Cell Physiol 2019; 234:17144-17158. [DOI: 10.1002/jcp.28488] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/17/2019] [Accepted: 02/20/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Tahereh Farkhondeh
- Cardiovascular Diseases Research Center, Birjand University of Medical Sciences Birjand Iran
| | - Saeed Samarghandian
- Noncommunicable Disease Research Center, Neyshabur University of Medical Sciences Neyshabur Iran
- Department of Basic Medical Sciences Neyshabur University of Medical Sciences Neyshabur Iran
| | - Babak Roshanravan
- Student Research Committee, Birjand University of Medical Sciences Birjand Iran
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Li C, Dai S, Lu J, Zhao B, Wang J, Li P, Wu Z, Mu Y, Feng C, Dong Q. Methylglyoxal: A newly detected and potentially harmful metabolite in the blood of ketotic dairy cows. J Dairy Sci 2018; 101:8513-8523. [PMID: 29960773 DOI: 10.3168/jds.2018-14448] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 05/15/2018] [Indexed: 12/30/2022]
Abstract
Ketosis causes serious economic losses for the modern dairy industry because it is a highly prevalent metabolic disease among cows in high-producing herds during the transition period. Due to some striking similarities between diabetes in humans and ketosis in dairy cows, there is potential for the use of methylglyoxal (MGO)-commonly used in human diabetics-as a biomarker in dairy cattle. However, currently no data are available about the presence of MGO in the serum of dairy cattle or about the characteristics of its production or its potential contribution in the pathogenesis of ketosis. To determine the potential origin and pathway of formation of MGO, cows in different metabolic conditions [i.e., non-subclinically ketotic dairy cows in early lactation (n = 7), subclinically ketotic dairy cows in early lactation (n = 8), overconditioned dry cows (BCS >4.25, n = 6), and nonlactating heifers (n = 6)] were selected. Serum MGO concentrations were determined and correlated with indicators of the glucose and lipid metabolism and with haptoglobin (Hp) as an inflammatory marker. The serum MGO concentrations in subclinically ketotic cows (712.60 ± 278.77 nmol/L) were significantly greater than in nonlactating heifers (113.35 ± 38.90 nmol/L), overconditioned dry cows (259.71 ± 117.97 nmol/L), and non-subclinically ketotic cows (347.83 ± 63.56 nmol/L). In serum of lactating cows, concentrations of glucose and fructosamine were lower than in heifers and were negatively correlated with MGO concentrations. Even so, concentrations of metabolic and inflammatory markers such as dihydroxyacetone phosphate, nonesterified fatty acids, β-hydroxybutyrate, acetone, and Hp were remarkably higher in subclinically ketotic cows compared with nonlactating heifers; these metabolites were also positively correlated with MGO. In human diabetics elevated MGO concentrations are stated to originate from both hyperglycemia and the enhanced lipid metabolism, whereas higher MGO concentrations in subclinically ketotic cows were not associated with hyperglycemia. Therefore, our data suggest MGO in dairy cows to be a metabolite produced from the metabolization of acetone within the lipid metabolization pathway and from the metabolization of dihydroxyacetone phosphate. Furthermore, the highly positive correlation between MGO and Hp suggests that this reactive compound might be involved in the proinflammatory state of subclinical ketosis in dairy cows. However, more research is needed to determine the potential use of MGO as a biomarker for metabolic failure in dairy cows.
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Affiliation(s)
- Chao Li
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China; Juela Township Government of Cuona County, Cuona 856700, China
| | - Shaohua Dai
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Jiangyi Lu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Baoyu Zhao
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Jiangang Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling 712100, China
| | - Panpan Li
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Zhaozhen Wu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Yingying Mu
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Cuixia Feng
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
| | - Qiang Dong
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China.
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Yang L, Li X, Wu Z, Feng C, Zhang T, Dai S, Dong Q. Inhibition of Methylglyoxal-Induced Histone H1 N ε-Carboxymethyllysine Formation by (+)-Catechin. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:5812-5820. [PMID: 29758984 DOI: 10.1021/acs.jafc.8b00826] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Reactive dicarbonyl species (RCS) such as methylglyoxal (MGO) and glyoxal (GO) are common intermediates in protein damage, leading to the formation of advanced glycation end products (AGEs) through nonenzymatic glycation. (+)-Catechin, a natural plant extract from tea, has been evaluated for its ability in trapping GO and MGO. However, (+)-catechin is also reported to have both antioxidant ability and pro-oxidant properties. Until now, whether (+)-catechin can inhibit the formation of nonenzymatic glycation and the mechanism of the inhibition in nucleoprotein nonenzymatic glycation is still unclear. In the present study, histone H1 and MGO were used to establish an in vitro (100 mM phosphate buffer solution (PBS), pH 7.4, 37 °C) protein glycation model to study the trapping ability of (+)-catechin. Our data show that MGO caused dose-dependent protein damage, and the content of MGO-induced Schiff base formation was inhibited by (+)-catechin when the molecular ratio of catechin:MGO was 1:6. The formation of Nε-carboxymethyllysine (CML) was reduced significantly when the ratio of (+)-catechin and MGO was 1:1, which was similar to the inhibition effect of aminoguanidine (AG). The formation of CML under in vitro conditions can be inhibited by low concentration (12.5-100 μM) of (+)-catechin but not with high concentration (200-800 μM) of (+)-catechin. The reason is that the high concentration of (+)-catechin did not inhibit CML formations due to H2O2 produced by (+)-catechin. In the presence of catalase, catechin can inhibit MGO-induced CML formation. In conclusion, the trapping ability of (+)-catechin may be more effective at the early stage of nonenzymatic glycation. However, a high concentration (200-800 μM) of (+)-catechin may not inhibit the formation of CML because it induced the increase of H2O2 formation.
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Affiliation(s)
- Lijun Yang
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Xinping Li
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Zhaozhen Wu
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Cuixia Feng
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Tianyu Zhang
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Shaohua Dai
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
| | - Qiang Dong
- College of Veterinary Medicine , Northwest A&F University , Yangling , Shaanxi 712100 , People's Republic of China
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Meeprom A, Chan CB, Sompong W, Adisakwattana S. Isoferulic acid attenuates methylglyoxal-induced apoptosis in INS-1 rat pancreatic β-cell through mitochondrial survival pathways and increasing glyoxalase-1 activity. Biomed Pharmacother 2018. [DOI: 10.1016/j.biopha.2018.01.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
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Wongmekiat O, Peerapanyasut W, Kobroob A. Catechin supplementation prevents kidney damage in rats repeatedly exposed to cadmium through mitochondrial protection. Naunyn Schmiedebergs Arch Pharmacol 2018; 391:385-394. [PMID: 29356841 DOI: 10.1007/s00210-018-1468-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Accepted: 01/11/2018] [Indexed: 12/11/2022]
Abstract
Nephrotoxicity is recognized as a serious disorder affected by chronic cadmium exposure. Imbalance between radical generation and elimination is considered a critical factor involved in the initiation and progression of renal injury caused by this heavy metal. The present study investigated the possible protection by catechin, a natural phenolic antioxidant, against cadmium nephrotoxicity and elucidated its potential mechanism. Male Wistar rats were assigned to receive vehicle, cadmium (CdCl2 2 mg/kg, i.p.) and cadmium plus catechin (25, 50, and 100 mg/kg, orally, respectively). After 4 weeks of treatment, rats exposed to cadmium demonstrated a marked rise in blood urea nitrogen and creatinine, a fall in creatinine clearance, and renal pathologies like severe tubular damage, apoptosis, and abnormal mitochondrial structure. Significant increases in malondialdehyde, nitric oxide, and tumor necrosis factor-alpha, while reductions in antioxidant thiols, superoxide dismutase, and catalase, were also detected in the kidney tissues of cadmium-intoxicated rats. These alterations were associated with mitochondrial dysfunction as supported by an increase in mitochondrial reactive oxygen species production and a decline in mitochondrial membrane potential. Treatment with catechin significantly attenuated all the changes caused by cadmium. These findings suggest that catechin effectively protects the kidney against toxic effect of cadmium, presumably through its antioxidant, anti-inflammation, and mitochondrial protection. The study outcomes not only add evidence to reinforce the medical benefits of catechin but also, most importantly, give rise to a prospect of developing renal preventive strategy for individuals who are at risk of cadmium contamination by means of catechin supplementation.
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Affiliation(s)
- Orawan Wongmekiat
- Renal Physiology Unit, Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.
| | | | - Anongporn Kobroob
- Department of Physiology, Faculty of Medical Sciences, University of Phayao, Phayao, 56000, Thailand
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