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Abstract
Heavy metals are harmful environmental pollutants that have attracted widespread attention due to their health hazards to human cardiovascular disease. Heavy metals, including lead, cadmium, mercury, arsenic, and chromium, are found in various sources such as air, water, soil, food, and industrial products. Recent research strongly suggests a connection between cardiovascular disease and exposure to toxic heavy metals. Epidemiological, basic, and clinical studies have revealed that heavy metals can promote the production of reactive oxygen species, which can then exacerbate reactive oxygen species generation and induce inflammation, resulting in endothelial dysfunction, lipid metabolism distribution, disruption of ion homeostasis, and epigenetic changes. Over time, heavy metal exposure eventually results in an increased risk of hypertension, arrhythmia, and atherosclerosis. Strengthening public health prevention and the application of chelation or antioxidants, such as vitamins and beta-carotene, along with minerals, such as selenium and zinc, can diminish the burden of cardiovascular disease attributable to metal exposure.
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Affiliation(s)
- Ziwei Pan
- Key Laboratory of Combined Multi Organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China (Z.P., P.L.)
- Institute of Translational Medicine, Zhejiang University, Hangzhou, China (Z.P., P.L.)
| | - Tingyu Gong
- Shulan International Medical College, Zhejiang Shuren University, Hangzhou, China (T.G.)
| | - Ping Liang
- Key Laboratory of Combined Multi Organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China (Z.P., P.L.)
- Institute of Translational Medicine, Zhejiang University, Hangzhou, China (Z.P., P.L.)
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Zhu N, Liu R, Xu M, Li Y. The Potential of Bioactive Fish Collagen Oligopeptides against Hydrogen Peroxide-Induced NIH/3T3 and HUVEC Damage: The Involvement of the Mitochondria. Nutrients 2024; 16:1004. [PMID: 38613037 PMCID: PMC11013636 DOI: 10.3390/nu16071004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 03/23/2024] [Accepted: 03/27/2024] [Indexed: 04/14/2024] Open
Abstract
Extensive in vivo investigations have demonstrated the antioxidant properties of fish collagen oligopeptides (FCOPs). One of the main causes of aging and chronic non-communicable diseases is oxidative stress. Therefore, FCOPs have a broad range of applications in illness prevention and delaying aging from the standpoint of the "food is medicine" theory. However, the mechanisms that underpin the antioxidant activity of FCOPs are not completely understood. The specific objective of this essay was to investigate the antioxidant effect of FCOPs and its possible mechanism at the cellular level. Mouse embryonic fibroblasts NIH/3T3 and human vein endothelial cells (HUVECs) were exposed to 200 µM hydrogen peroxide containing different concentrations of FCOPs for 4 h and were supplemented with different concentrations of FCOPs for 24 h. Normal growth medium without FCOPs was applied for control cells. An array of assays was used to evaluate the implications of FCOPs on cellular oxidative stress status, cellular homeostasis, inflammatory levels, and mitochondrial function. We found that FCOPs exerted a protective effect by inhibiting reactive oxygen species (ROS) production, enhancing superoxide dismutase (SOD) and endothelial nitric oxide synthase (eNOS) activities and cell viability, inhibiting cell cycle arrest in the G1 phase, suppressing interleukin-1β (IL-1β), IL-6, matrix metalloproteinase-3 (MMP-3) and intercellular adhesion molecule-1(ICAM-1) secretion, downregulating nuclear factor-kappa B (NF-κB) activity, protecting mitochondrial membrane potential, and increasing ATP synthesis and NAD+ activities in both cells. FCOPs had a stronger antioxidant impact on NIH/3T3 than on HUVECs, simultaneously increasing glutathione peroxidase (GSH-Px) activity and decreasing malondialdehyde (MDA) content in NIH/3T3. These findings indicate that FCOPs have antioxidant effects on different tissue cells damaged by oxidative stress. FCOPs were therefore found to promote cellular homeostasis, inhibit inflammation, and protect mitochondria. Meanwhile, better health outcomes will be achieved by thoroughly investigating the effective dose and intervention time of FCOPs, as the absorption efficiency of FCOPs varies in different tissue cells.
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Affiliation(s)
- Na Zhu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (N.Z.); (R.L.); (M.X.)
- Department of Nutrition and Food Hygiene, College of Public Health, Inner Mongolia Medical University, Hohhot 010059, China
| | - Rui Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (N.Z.); (R.L.); (M.X.)
- Institute of Advanced Clinical Medicine, Peking University, Beijing 100191, China
| | - Meihong Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (N.Z.); (R.L.); (M.X.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
| | - Yong Li
- Department of Nutrition and Food Hygiene, School of Public Health, Peking University, Beijing 100191, China; (N.Z.); (R.L.); (M.X.)
- Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, Peking University, Beijing 100191, China
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Ding J, Sun B, Gao Y, Zheng J, Liu C, Huang J, Jia N, Pei X, Jiang X, Hu S, Xia B, Meng Y, Dai Z, Qi X, Wang J. Evidence for chromium crosses blood brain barrier from the hypothalamus in chromium mice model. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 273:116179. [PMID: 38460200 DOI: 10.1016/j.ecoenv.2024.116179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 02/27/2024] [Accepted: 03/03/2024] [Indexed: 03/11/2024]
Abstract
It has been shown that exposure to hexavalent Chromium, Cr (Ⅵ), via nasal cavity can have neurotoxicological effects and induces behavioral impairment due to the fact that blood brain barrier (BBB) does not cover olfactory bulb. But whether Cr (Ⅵ) can cross the BBB and have a toxicological effects in central nervous system (CNS) remains unclear. Therefore, we investigated the effects of Cr (Ⅵ) on mice treated with different concentrations and exposure time (14 days and 28 days) of Cr (Ⅵ) via intraperitoneal injection. Results revealed that Cr accumulated in hypothalamus (HY) in a timely dependent manner. Much more severer neuropathologies was observed in the group of mice exposed to Cr (Ⅵ) for 28 days than that for 14 days. Gliosis, neuronal morphological abnormalities, synaptic degeneration, BBB disruption and neuronal number loss were observed in HY. In terms of mechanism, the Nrf2 related antioxidant stress signaling dysfunction and activated NF-κB related inflammatory pathway were observed in HY of Cr (Ⅵ) intoxication mice. And these neuropathologies and signaling defects appeared in a timely dependent manner. Taking together, we proved that Cr (Ⅵ) can enter HY due to weaker BBB in HY and HY is the most vulnerable CNS region to Cr (Ⅵ) exposure. The concentration of Cr in HY increased along with time. The accumulated Cr in HY can cause BBB disruption, neuronal morphological abnormalities, synaptic degeneration and gliosis through Nrf2 and NF-κB signaling pathway. This finding improves our understanding of the neurological dysfunctions observed in individuals who have occupational exposure to Cr (Ⅵ), and provided potential therapeutic targets to treat neurotoxicological pathologies induced by Cr (Ⅵ).
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Affiliation(s)
- Jiuyang Ding
- Key Laboratory of Human Brain bank for Functions and Diseases of Department of Education of Guizhou Province, Guizhou Medical University, Guiyang 550025, China; Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang 550004, China; School of Forensic Medicine, Guizhou Medical University, Guiyang 550004, China
| | - Baofei Sun
- Key Laboratory of Human Brain bank for Functions and Diseases of Department of Education of Guizhou Province, Guizhou Medical University, Guiyang 550025, China
| | - Yingdong Gao
- Department of Reproductive Medicine, Taian Maternity and Child Health Hospital, Taian 271000, China
| | - Juan Zheng
- Department of Reproductive Medicine, Taian Maternity and Child Health Hospital, Taian 271000, China
| | - Changyou Liu
- Department of Pediatrics, Taian Maternity and Child Health Hospital, Taian 271000, China
| | - Jian Huang
- School of Forensic Medicine, Kunming Medical University, Kunming 650500, China
| | - Nannan Jia
- Neonatal Screening Center, Taian Maternity and Child Health Hospital, Taian, China
| | - Xianglin Pei
- School of Materials and Architectural Engineering, Guizhou Normal University, Guiyang 550025, China
| | - Xueyu Jiang
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan 430023, China
| | - Shanshan Hu
- Good Clinical Practice Center, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Bing Xia
- School of Forensic Medicine, Guizhou Medical University, Guiyang 550004, China
| | - Yunle Meng
- Institute of Forensic Science, Ministry of Public Security, Beijing 100038, China
| | - Zhuihui Dai
- State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China.
| | - Xiaolan Qi
- Key Laboratory of Endemic and Ethnic Diseases, Ministry of Education, Guizhou Medical University, Guiyang 550004, China.
| | - Jiawen Wang
- School of Forensic Medicine, Guizhou Medical University, Guiyang 550004, China.
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Zhang T, Feng L, Cui J, Tong W, Zhao H, Wu T, Zhang P, Wang X, Gao Y, Su J, Fu X. Hexavalent Chromium Induces Neurotoxicity by Triggering Mitochondrial Dysfunction and ROS-Mediated Signals. Neurochem Res 2024; 49:660-669. [PMID: 38010603 DOI: 10.1007/s11064-023-04063-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 10/08/2023] [Accepted: 11/10/2023] [Indexed: 11/29/2023]
Abstract
Hexavalent chromium (Cr (VI)), one of the most detrimental pollutants, has been ubiquitously present in the environment and causes serious toxicity to humans, such as hepatotoxicity, nephrotoxicity, pulmonary toxicity, and cardiotoxicity. However, Cr (VI)-induced neurotoxicity in primary neuron level has not been well explored yet. Herein, potassium dichromate (K2Cr2O7) was employed to examine the neurotoxicity of Cr (VI) in rat primary hippocampal neurons. MTT test was used to examine the neural viability. Mitochondrial dysfunction was assessed by the JC-1 probe and Mito-Tracker probe. DCFH-DA and Mito-SOX Red were utilized to evaluate the oxidative status. Bcl-2 family and MAPKs expression were investigated using Western blotting. The results demonstrated that Cr (VI) treatment dose- and time-dependently inhibited neural viability. Mechanism investigation found that Cr (VI) treatment causes mitochondrial dysfunction by affecting Bcl-2 family expression. Moreover, Cr (VI) treatment also induces intracellular reactive oxygen species (ROS) generation, DNA damage, and MAPKs activation in neurons. However, inhibition of ROS by glutathione (GSH) effectually balanced Bcl-2 family expression, attenuated DNA damage and the MAPKs activation, and eventually improved neural viability neurons. Collectively, these above results above suggest that Cr (VI) causes significant neurotoxicity by triggering mitochondrial dysfunction, ROS-mediated oxidative damage and MAKPs activation.
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Affiliation(s)
- Tongtong Zhang
- Department of Neurology, People's Hospital of Linyi, Linyi, 276000, Shandong, China
| | - Lina Feng
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China
| | - Jie Cui
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China
| | - Weiwei Tong
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Han Zhao
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Tingchao Wu
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Pu Zhang
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China
| | - Xianjun Wang
- Department of Neurology, People's Hospital of Linyi, Linyi, 276000, Shandong, China
| | - Yingjun Gao
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China.
| | - Jing Su
- Department of Cardiovascular Medicine, Affiliated Taian City Central Hospital of Qingdao University, Taian, 271000, Shandong, China.
| | - Xiaoyan Fu
- Shandong Key Laboratory of TCM Multi-Target Intervention and Disease Control, The Second Affiliated Hospital of Shandong First Medical University, Taian, 271000, Shandong, China.
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Xue J, Zhang Z, Sun Y, Jin D, Guo L, Li X, Zhao D, Feng X, Qi W, Zhu H. Research Progress and Molecular Mechanisms of Endothelial Cells Inflammation in Vascular-Related Diseases. J Inflamm Res 2023; 16:3593-3617. [PMID: 37641702 PMCID: PMC10460614 DOI: 10.2147/jir.s418166] [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] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Endothelial cells (ECs) are widely distributed inside the vascular network, forming a vital barrier between the bloodstream and the walls of blood vessels. These versatile cells serve myriad functions, including the regulation of vascular tension and the management of hemostasis and thrombosis. Inflammation constitutes a cascade of biological responses incited by biological, chemical, or physical stimuli. While inflammation is inherently a protective mechanism, dysregulated inflammation can precipitate a host of vascular pathologies. ECs play a critical role in the genesis and progression of vascular inflammation, which has been implicated in the etiology of numerous vascular disorders, such as atherosclerosis, cardiovascular diseases, respiratory diseases, diabetes mellitus, and sepsis. Upon activation, ECs secrete potent inflammatory mediators that elicit both innate and adaptive immune reactions, culminating in inflammation. To date, no comprehensive and nuanced account of the research progress concerning ECs and inflammation in vascular-related maladies exists. Consequently, this review endeavors to synthesize the contributions of ECs to inflammatory processes, delineate the molecular signaling pathways involved in regulation, and categorize and consolidate the various models and treatment strategies for vascular-related diseases. It is our aspiration that this review furnishes cogent experimental evidence supporting the established link between endothelial inflammation and vascular-related pathologies, offers a theoretical foundation for clinical investigations, and imparts valuable insights for the development of therapeutic agents targeting these diseases.
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Affiliation(s)
- Jiaojiao Xue
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Ziwei Zhang
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Yuting Sun
- Department of Endocrinology, Guang’anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, People’s Republic of China
| | - Di Jin
- Department of Nephrology, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Liming Guo
- College of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Xiangyan Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Daqing Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Xiaochun Feng
- Department of Nephropathy and Rheumatology in Children, Children’s Medical Center, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Wenxiu Qi
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Biomacromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, People’s Republic of China
| | - Haoyu Zhu
- Department of Nephropathy and Rheumatology in Children, Children’s Medical Center, First Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, People’s Republic of China
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Zhang Y, Hong S, Zhang Q, Su Z, Hu G, Wang T, Yu S, Yuan F, Zhu X, Jia G. Relationship between systemic inflammation and lung injury induced by chromate exposure: A cross-sectional study in workers. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131294. [PMID: 37023571 DOI: 10.1016/j.jhazmat.2023.131294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 03/21/2023] [Accepted: 03/24/2023] [Indexed: 05/03/2023]
Abstract
Hexavalent chromium [Cr(VI)] compounds, known as "Group I Human Carcinogen" and "Category I Respiratory Sensitizer", posed great challenges to the respiratory system. A cross-sectional study was undertaken among chromate workers. Serum club cell protein 16 (CC16) and soluble urokinase-type plasminogen activator receptor (suPAR) were measured using ELISA. Thirteen macrophage-related mediators were tested using cytometric bead array. After controlling for sex, age, smoking status, drinking status and BMI, each increase of one-unit of Ln-transformed blood Cr was related to the increase of IL-1beta [Beta (95% CI), 7.22(1.14, 13.29)%, P = 0.021], IL-23 [8.5(1.15, 15.85)%, P = 0.021], IFN-gamma [3.14(0.15, 6.13)%, P = 0.040], and suPAR [9.31(2.5, 16.12) %, P = 0.008], as well as the increase of CC16 by 3.88(0.42, 7.34) % (P = 0.029). Moreover, these inflammatory mediators played an mediation role in the rise of CC16 caused by Cr(VI). The exposure-response curve analysis revealed a substantial nonlinear association of IFN-gamma and suPAR with CC16, thus the mediation effect of INF-gamma and suPAR required cautious interpretation. The positive connection between macrophage-related mediators was stronger in the high exposure group than in the low exposure group, suggesting that high concentration of chromate might promote a complex interplay within the immune system.
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Affiliation(s)
- Yali Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100083, China
| | - Shiyi Hong
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100083, China
| | - Qiaojian Zhang
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100083, China
| | - Zekang Su
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100083, China
| | - Guiping Hu
- School of Engineering Medicine and Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100083, China.
| | - Tiancheng Wang
- Department of Clinical Laboratory, Third Hospital of Peking University, Beijing 100083, China
| | - Shanfa Yu
- Henan Institute for Occupational Medicine, Zhengzhou City, Henan Province 450052, China
| | - Fang Yuan
- Department of Occupational Health and Radiological Health, Chongqing Center for Disease Control and Prevention, Chongqing 400042, China
| | - Xiaojun Zhu
- National Center for Occupational Safety and Health, Beijing 102308, China
| | - Guang Jia
- Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, Beijing 100083, China; Beijing Key Laboratory of Toxicological Research and Risk Assessment for Food Safety, School of Public Health, Peking University, Beijing 100083, China.
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Liu Y, Shi X, Tian Y, Zhai S, Liu Y, Xiong Z, Chu S. An insight into novel therapeutic potentials of taxifolin. Front Pharmacol 2023; 14:1173855. [PMID: 37261284 PMCID: PMC10227600 DOI: 10.3389/fphar.2023.1173855] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023] Open
Abstract
Taxifolin is a flavonoid compound, originally isolated from the bark of Douglas fir trees, which is often found in foods such as onions and olive oil, and is also used in commercial preparations, and has attracted the interest of nutritionists and medicinal chemists due to its broad range of health-promoting effects. It is a powerful antioxidant with excellent antioxidant, anti-inflammatory, anti-microbial and other pharmacological activities. This review focuses on the breakthroughs in taxifolin for the treatment of diseases from 2019 to 2022 according to various systems of the human body, such as the nervous system, immune system, and digestive system, and on the basis of this review, we summarize the problems of current research and try to suggest solutions and future research directions.
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Affiliation(s)
- Yang Liu
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Xiaolu Shi
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Ye Tian
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Shaobo Zhai
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yuyan Liu
- Department of Endodontics, Hospital of Stomatology, Jilin University, Changchun, China
| | - Zhengrong Xiong
- Polymer Composites Engineering Laboratory, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences (CAS), Changchun, China
| | - Shunli Chu
- Department of Implantology, Hospital of Stomatology, Jilin University, Changchun, China
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Olędzka AJ, Czerwińska ME. Role of Plant-Derived Compounds in the Molecular Pathways Related to Inflammation. Int J Mol Sci 2023; 24:ijms24054666. [PMID: 36902097 PMCID: PMC10003729 DOI: 10.3390/ijms24054666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/21/2023] [Accepted: 02/23/2023] [Indexed: 03/04/2023] Open
Abstract
Inflammation is the primary response to infection and injury. Its beneficial effect is an immediate resolution of the pathophysiological event. However, sustained production of inflammatory mediators such as reactive oxygen species and cytokines may cause alterations in DNA integrity and lead to malignant cell transformation and cancer. More attention has recently been paid to pyroptosis, which is an inflammatory necrosis that activates inflammasomes and the secretion of cytokines. Taking into consideration that phenolic compounds are widely available in diet and medicinal plants, their role in the prevention and support of the treatment of chronic diseases is apparent. Recently, much attention has been paid to explaining the significance of isolated compounds in the molecular pathways related to inflammation. Therefore, this review aimed to screen reports concerning the molecular mode of action assigned to phenolic compounds. The most representative compounds from the classes of flavonoids, tannins, phenolic acids, and phenolic glycosides were selected for this review. Our attention was focused mainly on nuclear factor-κB (NF-κB), nuclear factor erythroid 2-related factor 2 (Nrf2), and mitogen-activated protein kinase (MAPK) signaling pathways. Literature searching was performed using Scopus, PubMed, and Medline databases. In conclusion, based on the available literature, phenolic compounds regulate NF-κB, Nrf2, and MAPK signaling, which supports their potential role in chronic inflammatory disorders, including osteoarthritis, neurodegenerative diseases, cardiovascular, and pulmonary disorders.
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Affiliation(s)
- Agata J. Olędzka
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Str., 02-097 Warsaw, Poland
- Centre for Preclinical Research, Medical University of Warsaw, 1B Banacha Str., 02-097 Warsaw, Poland
| | - Monika E. Czerwińska
- Department of Biochemistry and Pharmacogenomics, Faculty of Pharmacy, Medical University of Warsaw, 1 Banacha Str., 02-097 Warsaw, Poland
- Centre for Preclinical Research, Medical University of Warsaw, 1B Banacha Str., 02-097 Warsaw, Poland
- Correspondence: ; Tel.: +48-22-116-61-85
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Yang R, Yang X, Zhang F. New Perspectives of Taxifolin in Neurodegenerative Diseases. Curr Neuropharmacol 2023; 21:2097-2109. [PMID: 36740800 PMCID: PMC10556370 DOI: 10.2174/1570159x21666230203101107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/18/2023] [Accepted: 01/19/2023] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative diseases, such as Alzheimer's disease (AD), Parkinson's disease (PD), cerebral amyloid angiopathy (CAA), and Huntington's disease (HD) are characterized by cognitive and motor dysfunctions and neurodegeneration. These diseases have become more severe over time and cannot be cured currently. Until now, most treatments for these diseases are only used to relieve the symptoms. Taxifolin (TAX), 3,5,7,3,4-pentahydroxy flavanone, also named dihydroquercetin, is a compound derived primarily from Douglas fir and Larix gemelini. TAX has been confirmed to exhibit various pharmacological activities, including anti-inflammation, anti-cancer, anti-virus, and regulation of oxidative stress effects. In the central nervous system, TAX has been demonstrated to inhibit Aβ fibril formation, protect neurons and improve cerebral blood flow, cognitive ability, and dyskinesia. At present, TAX is only applied as a health additive in clinical practice. This review aimed to summarize the application of TAX in neurodegenerative diseases and the underlying neuroprotective mechanisms, such as suppressing inflammation, attenuating oxidative stress, preventing Aβ protein formation, maintaining dopamine levels, and thus reducing neuronal loss.
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Affiliation(s)
- Rong Yang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Center, Zunyi Medical University, Zunyi, Guizhou, China
| | - Xinxing Yang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Center, Zunyi Medical University, Zunyi, Guizhou, China
| | - Feng Zhang
- Key Laboratory of Basic Pharmacology of Ministry of Education and Joint International Research Laboratory of Ethnomedicine of Ministry of Education and Key Laboratory of Basic Pharmacology of Guizhou Province and Laboratory Animal Center, Zunyi Medical University, Zunyi, Guizhou, China
- The Collaborative Innovation Center of Tissue Damage Repair and Regeneration Medicine of Zunyi Medical University, Zunyi, Guizhou, China
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Inflammatory effects of hexavalent chromium in the lung: A comprehensive review. Toxicol Appl Pharmacol 2022; 455:116265. [PMID: 36208701 PMCID: PMC10024459 DOI: 10.1016/j.taap.2022.116265] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/23/2022] [Accepted: 09/30/2022] [Indexed: 11/23/2022]
Abstract
Besides smoking, lung cancer can be caused by other factors, including heavy metals such as cadmium, nickel, arsenic, beryllium and hexavalent chromium [Cr(VI)], which is used in multiple settings, resulting in widespread environmental and occupational exposures as well as heavy use. The mechanism by which Cr(VI) causes lung cancer is not completely understood. Currently, it is admitted chromosome instability is a key process in the mechanism of Cr(VI)-induced cancer, and previous studies have suggested Cr(VI) impacts the lung tissue in mice by triggering tissue damage and inflammation. However, the mechanism underlying Cr(VI)-induced inflammation and its exact role in lung cancer are unclear. Therefore, this review aimed to systematically examine previous studies assessing Cr(VI)-induced inflammation and to summarize the major inflammatory pathways involved in Cr(VI)-induced inflammation. In cell culture studies, COX2, VEGF, JAK-STAT, leukotriene B4 (LTB4), MAPK, NF-ҡB and Nrf2 signaling pathways were consistently upregulated by Cr(VI), clearly demonstrating that these pathways are involved in Cr(VI)-induced inflammation. In addition, Akt signaling was also shown to contribute to Cr(VI)-induced inflammation, although discrepant findings were reported. Few mechanistic studies were performed in animal models, in which Cr(VI) upregulated oxidative pathways, NF-kB signaling and the MAPK pathway in the lung tissue. Similar to cell culture studies, opposite effects of Cr(VI) on Akt signaling were reported. This work provides insights into the mechanisms by which Cr(VI) induces lung inflammation. However, discrepant findings and other major issues in study design, both in cell and animal models, suggest that further studies are required to unveil the mechanism of Cr(VI)-induced inflammation and its role in lung cancer.
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Liu Y, Gong X, Wang J, Wang Y, Zhang Y, Li T, Yan J, Zhou M, Zhang B. Investigation of nickel sulfate-induced cytotoxicity and underlying toxicological mechanisms in human umbilical vein endothelial cells through oxidative stress, inflammation, apoptosis, and MAPK signaling pathways. ENVIRONMENTAL TOXICOLOGY 2022; 37:2058-2071. [PMID: 35499276 DOI: 10.1002/tox.23550] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 04/11/2022] [Accepted: 04/16/2022] [Indexed: 06/14/2023]
Abstract
Growing evidence indicates that nickle and its compounds have adverse effects on the cardiovascular system. In this study, the cytotoxic insults caused by nickel sulfate (NiSO4 ) in human umbilical vein endothelial cells (HUVECs) were explored by examining cell viability, oxidative stress, inflammation, apoptosis, and MAPK signaling pathway activity. Cultured HUVECs were treated with varying concentrations of NiSO4 (0, 62.5, 250, and 1000 μM) for 24 h. Subsequently, markers of oxidative stress, inflammation, apoptosis, and MAPK signaling pathways were analyzed using biochemical assays, real-time quantitative polymerase chain reaction, and western blot. Rates of apoptosis were evaluated using flow cytometry. The results showed that NiSO4 exerted dose- and time-dependent inhibitory effects on cell growth. It induced oxidative stress and lipid peroxidation by increasing the generation of reactive oxygen species, the oxidized glutathione to reduced glutathione ratio (GSSG/GSH ratio), and malondialdehyde levels. Further, it inhibited superoxide dismutase activity in HUVECs. Flow cytometry analysis results revealed that NiSO4 (62.5-1000 μM) could induce apoptosis in HUVECs. The protein and gene expressions of cleaved Caspase 3 and Bax were elevated, and those of Bcl-2 and Bcl-XL were reduced after NiSO4 treatment. Additionally, NiSO4 triggered inflammation in HUVECs, increasing the protein and mRNA levels of IL-6 and TNF-α and reducing those of TGF-β. Furthermore, western blot findings revealed that NiSO4 could activate MAPK signaling pathways, upregulating p38, JNK, and ERK1/2 in HUVECs by increasing the levels of p-P38,p-JNK, and p-ERK1/2 in a dose-dependent manner. MAPK pathway inhibitors (10 μM SB203580 and 10 μM SP600125) could attenuate the NiSO4 -induced increase in apoptosis and inflammation in HUVECs. They could also attenuate the dysregulation of inflammatory factors and related proteins caused by high-dose NiSO4 exposure. Interestingly, while the MEK inhibitor U0126 (10 μM) enhanced NiSO4 -induced apoptosis in HUVECs, it reduced cell inflammation. Taken together, these experimental results suggest that NiSO4 can inhibit cell growth, induce oxidative stress, and trigger subsequent inflammatory responses and apoptosis in HUVECs. These effects may be mediated by the P38 and JNK MAPK stress response pathways.
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Affiliation(s)
- Yanli Liu
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, China
| | - Xia Gong
- Department of Geratology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Juan Wang
- Department of Cardiology, Gansu Provincial Hospital, Lanzhou, China
| | - Yongxiang Wang
- Department of Geratology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Yong Zhang
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, China
| | - Tao Li
- Department of Geratology, The First Hospital of Lanzhou University, Lanzhou, China
| | - Juan Yan
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, China
| | - Min Zhou
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, China
| | - Benzhong Zhang
- Department of Occupational and Environmental Health, School of Public Health, Lanzhou University, Lanzhou, China
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12
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Jin L, Kom MC, Fu G, Xie Y, Gao Y, Shen J, Huang H, Hu B, Yan J. Hexavalent chromium induces hepatocyte apoptosis via regulation of apoptosis signal-regulating kinase 1/c-Jun amino-terminal kinase signaling. ENVIRONMENTAL TOXICOLOGY 2022; 37:1288-1296. [PMID: 35166444 DOI: 10.1002/tox.23483] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 09/24/2021] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
With the spread of hexavalent chromium (Cr(VI)) contamination, Cr(VI)-induced hepatotoxicity has attracted increasing attention in recent years. To date, however, the exact mechanism of Cr(VI) toxicity remains unclear. In this study, we investigated the role of apoptosis signal-regulating kinase 1 (ASK1)/c-Jun amino-terminal kinase (JNK) in Cr(VI)-induced hepatic toxicity and the possible related mechanisms. AML-12 hepatocyte cell-lines were treated with 0, 1, 4, and 16 μmol/Lof Cr(VI) with or without GS-444271 (an ASK1 inhibitor). Adult male mice were administered with 0, 2, 8, and 32 mg/kg body mass (BM)/day of Cr(VI) for 5 days. The level of hepatocyte apoptosis/proliferation, generation of reactive oxygen species (ROS), and expression levels of mRNAs and proteins related to ASK1/JNK and nuclear factor-E2-related factor 2 (Nrf2) signaling were assessed. Results showed that high Cr(VI) exposure induced hepatocyte apoptosis and liver injury by generation of ROS and down-regulation of Nrf2 signaling. In addition, ASK1/JNK signaling activity was upregulated in the Cr(VI)-treated group. Furthermore, GS-444217 treatment significantly rescued Cr(VI)-induced hepatocyte apoptosis and liver dysfunction in vitro and in vivo by down-regulation of ASK1/JNK signaling. Thus, ASK1/JNK signaling appears to play an important role in Cr(VI)-induced hepatocyte apoptosis and liver injury. This study should help improve our understanding of the mechanism of Cr(VI)-induced liver injury and provide support for future investigations on liver disease therapy.
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Affiliation(s)
- Lifang Jin
- School of Life Science, Shaoxing University, Zhejiang, China
| | | | - Guoquan Fu
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Yixia Xie
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Yue Gao
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Jiayuan Shen
- School of Life Science, Shaoxing University, Zhejiang, China
- Department of Pathology, Affiliated Hospital of Shaoxing University, Zhejiang, China
| | - Huarong Huang
- College of Life and Environmental Science, Hangzhou Normal University, Hangzhou, China
| | - Baowei Hu
- School of Life Science, Shaoxing University, Zhejiang, China
| | - Junyan Yan
- School of Life Science, Shaoxing University, Zhejiang, China
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13
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Xie L, Xiao Y, Tai S, Yang H, Zhou S, Zhou Z. Emerging Roles of Sodium Glucose Cotransporter 2 (SGLT-2) Inhibitors in Diabetic Cardiovascular Diseases: Focusing on Immunity, Inflammation and Metabolism. Front Pharmacol 2022; 13:836849. [PMID: 35295328 PMCID: PMC8920092 DOI: 10.3389/fphar.2022.836849] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 02/07/2022] [Indexed: 11/29/2022] Open
Abstract
Diabetes mellitus (DM) is one of the most fast evolving global issues characterized by hyperglycemia. Patients with diabetes are considered to face with higher risks of adverse cardiovascular events. Those are the main cause of mortality and disability in diabetes patients. There are novel antidiabetic agents that selectively suppress sodium-glucose cotransporter-2 (SGLT-2). They work by reducing proximal tubule glucose reabsorption. Although increasing evidence has shown that SGLT-2 inhibitors can contribute to a series of cardiovascular benefits in diabetic patients, including a reduced incidence of major adverse cardiovascular events and protection of extracardiac organs, the potential mechanisms of SGLT2 inhibitors’ cardiovascular protective effects are still not fully elucidated. Given the important role of inflammation and metabolism in diabetic cardiovascular diseases, this review is intended to rationally compile the multifactorial mechanisms of SGLT-2 inhibitors from the point of immunity, inflammation and metabolism, depicting the fundamental cellular and molecular processing of SGLT-2 inhibitors exerting regulating immunity, inflammation and metabolism. Finally, future directions and perspectives to prevent or delay cardiovascular complications in DM by SGLT-2 inhibitors are presented.
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Affiliation(s)
- Lingxiang Xie
- Key Laboratory of Diabetes Immunology, Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, Ministry of Education, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Yang Xiao
- Key Laboratory of Diabetes Immunology, Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, Ministry of Education, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Shi Tai
- Department of Cardiovascular Medicine, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Huijie Yang
- Key Laboratory of Diabetes Immunology, Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, Ministry of Education, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Shenghua Zhou
- Department of Cardiovascular Medicine, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Zhiguang Zhou
- Key Laboratory of Diabetes Immunology, Department of Metabolism and Endocrinology, National Clinical Research Center for Metabolic Diseases, Ministry of Education, The Second Xiangya Hospital of Central South University, Changsha, China
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14
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Ma S, Zhang J, Xu C, Da M, Xu Y, Chen Y, Mo X. Increased serum levels of cadmium are associated with an elevated risk of cardiovascular disease in adults. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:1836-1844. [PMID: 34363163 DOI: 10.1007/s11356-021-15732-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/26/2021] [Indexed: 06/13/2023]
Abstract
Previous studies have determined the effects of exposure to certain heavy metals on cardiovascular disease (CVD); however, the association between cadmium exposure and CVD in adults remains unclear. The relationship between serum levels of cadmium and the risk of CVD was studied by analyzing available data from 38,223 different participants of the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2016. After adjusting for all covariates, we found that higher serum cadmium concentrations were positively related to both the overall risk of CVD (odds ratio (OR): 1.45; 95% confidence interval (CI): 1.22, 1.72; p for trend <0.001) and the risks of its subtypes, including congestive heart failure, coronary heart disease, heart attack, and stroke. Elevated cadmium levels were associated with increased levels of lipids and inflammatory factors, including blood triglycerides, total cholesterol, white blood cells (WBCs), and C-reactive protein (CRP). Our study provided epidemiological evidence that cadmium may increase the risk of CVD by elevating blood lipids and inflammation.
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Affiliation(s)
- Siyu Ma
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Jie Zhang
- Department of Pediatric Surgery, Children's Hospital of Nanjing Medical University, Nanjing, 210008, China
| | - Cheng Xu
- State Key Laboratory of Reproductive Medicine, School of Public Health, Nanjing Medical University, Nanjing, China
- Key Laboratory of Modern Toxicology of Ministry of Education, Center for Global Health, Nanjing Medical University, Nanjing, China
| | - Min Da
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Yang Xu
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Yong Chen
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China
| | - Xuming Mo
- Department of Cardiothoracic Surgery, Children's Hospital of Nanjing Medical University, 72 Guangzhou Road, Nanjing, 210008, China.
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15
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Wise JP, Young JL, Cai J, Cai L. Current understanding of hexavalent chromium [Cr(VI)] neurotoxicity and new perspectives. ENVIRONMENT INTERNATIONAL 2022; 158:106877. [PMID: 34547640 PMCID: PMC8694118 DOI: 10.1016/j.envint.2021.106877] [Citation(s) in RCA: 70] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 09/08/2021] [Accepted: 09/09/2021] [Indexed: 05/21/2023]
Abstract
Hexavalent chromium [Cr(VI)] is a global environmental pollutant that increases risk for several types of cancers and is increasingly being recognized as a neurotoxicant. Traditionally, the brain has been viewed as a largely post-mitotic organ due to its specialized composition of neurons, and consequently, clastogenic effects were not considered in neurotoxicology. Today, we understand the brain is composed of at least eight distinct cell types - most of which continue mitotic activity throughout lifespan. We have learned these dividing cells play essential roles in brain and body health. This review focuses on Cr(VI), a potent clastogen and known human carcinogen, as a potentially neurotoxic agent targeting mitotic cells of the brain. Despite its well-established role as a human carcinogen, Cr(VI) neurotoxicity studies have failed to find a significant link to brain cancers. In the few studies that did find a link, Cr(VI) was identified as a risk for gliomas. Instead, in the human brain, Cr(VI) appears to have more subtle deleterious effects that can impair childhood learning and attention development, olfactory function, social memory, and may contribute to motor neuron diseases. Studies of Cr(VI) neurotoxicity with animal and cell culture models have demonstrated elevated markers of oxidative damage and redox stress, with widespread neurodegeneration. One study showed mice exposed to Cr(VI)-laden tannery effluent exhibited longer periods of aggressive behavior toward an "intruder" mouse and took longer to recognize mice previously encountered, recapitulating the social memory deficits observed in humans. Here we conducted a critical review of the available literature on Cr(VI) neurotoxicity and synthesize the collective observations to thoroughly evaluate Cr(VI) neurotoxicity - much remains to be understood and recognized.
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Affiliation(s)
- John P Wise
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40292, USA; Pediatric Research Institute, The Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY 40292, USA.
| | - Jamie L Young
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40292, USA; Pediatric Research Institute, The Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY 40292, USA
| | - Jun Cai
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40292, USA; Pediatric Research Institute, The Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY 40292, USA
| | - Lu Cai
- Department of Pharmacology and Toxicology, University of Louisville School of Medicine, Louisville, KY 40292, USA; Pediatric Research Institute, The Department of Pediatrics, University of Louisville School of Medicine, Louisville, KY 40292, USA
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16
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Zou XZ, Hao JF, Zhou XH. Inhibition of SREBP-1 Activation by a Novel Small-Molecule Inhibitor Enhances the Sensitivity of Hepatocellular Carcinoma Tissue to Radiofrequency Ablation. Front Oncol 2021; 11:796152. [PMID: 34900747 PMCID: PMC8660695 DOI: 10.3389/fonc.2021.796152] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 11/01/2021] [Indexed: 12/11/2022] Open
Abstract
Radiofrequency ablation (RFA) is an important strategy for treatment of advanced hepatocellular carcinoma (HCC). However, the prognostic indicators of RFA therapy are not known, and there are few strategies for RFA sensitization. The transcription factor sterol regulatory element binding protein 1 (SREBP)-1 regulates fatty-acid synthesis but also promotes the proliferation or metastasis of HCC cells. Here, the clinical importance of SREBP-1 and potential application of knockdown of SREBP-1 expression in RFA of advanced HCC was elucidated. In patients with advanced HCC receiving RFA, a high level of endogenous SREBP-1 expression correlated to poor survival. Inhibition of SREBP-1 activation using a novel small-molecule inhibitor, SI-1, not only inhibited the aerobic glycolysis of HCC cells, it also enhanced the antitumor effects of RFA on xenograft tumors. Overall, our results: (i) revealed the correlation between SREBP-1 and HCC severity; (ii) indicated that inhibition of SREBP-1 activation could be a promising approach for treatment of advanced HCC.
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Affiliation(s)
- Xiao-Zheng Zou
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang City, China
| | - Jun-Feng Hao
- Department of Nephrology, Affiliated Hospital of Guangdong Medical University/Institute of Nephrology and Zhanjiang Key Laboratory of Prevention and Management of Chronic Kidney Disease, Guangdong Medical University, Zhanjiang City, China
| | - Xiu-Hua Zhou
- Department of Critical Care Medicine, The Fourth Affiliated Hospital of China Medical University, Shenyang City, China
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17
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Cao X, Liu C, Zhang M, Bi R, Fu M, Korik E, Chen J, Gao J, Semak I, Liu J. Bovine lactoferrin and Lentinus edodes mycelia polysaccharide complex: The formation and the activity to protect islet β cells. Int J Biol Macromol 2021; 191:811-820. [PMID: 34592222 DOI: 10.1016/j.ijbiomac.2021.09.143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/10/2021] [Accepted: 09/18/2021] [Indexed: 11/20/2022]
Abstract
The formation of complexes may be used for the development of delivery systems in foods field. The aim of this study was to explore the interaction mechanism between Lentinus edodes mycelia polysaccharide (LMP) and bovine lactoferrin (BLF), and the activity of LMP-BLF complex to inhibit oxidative stress in islet β cells. The interaction mechanisms of LMP with BLF were investigated with multi-spectroscopic techniques. The multi-spectroscopic analysis result showed that LMP bound with BLF by van der Waals force and hydrogen bond. The quenching mechanism of BLF with LMP was static quenching. Cell viability, reactive oxygen species (ROS) level, apoptosis and the related signaling pathways were detected with thiazolyl blue tetrazolium bromide (MTT) assay, 2,7-Dichlorofluorescin diacetate (DCFH-DA) staining, Hoechst 33258 staining and Western blot methods respectively. The complex alleviated apoptosis induced by hydrogen peroxide (H2O2), and inhibited oxidative stress via MAPK pathways in MIN6 cells. In addition, the complex was able to promote glucose uptake in HepG2 cells. These results will broaden our understanding of LMP-BLF complexes and the applications of polysaccharide-protein complexes in the foods field.
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Affiliation(s)
- Xiangyu Cao
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Chengying Liu
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Mengmeng Zhang
- Department of Biochemistry Belarusian State University, Nezavisimisty Ave., 4, BSU, The Faculty of Biology, 220030 Minsk, Belarus
| | - Ruochen Bi
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Mingyang Fu
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Elena Korik
- Department of Biochemistry Belarusian State University, Nezavisimisty Ave., 4, BSU, The Faculty of Biology, 220030 Minsk, Belarus
| | - Jiahe Chen
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Jianyun Gao
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China
| | - Igor Semak
- Department of Biochemistry Belarusian State University, Nezavisimisty Ave., 4, BSU, The Faculty of Biology, 220030 Minsk, Belarus.
| | - Jianli Liu
- Department of Biological Sciences, School of life Science, Liaoning University, Chongshan Road 66, Shenyang 110036, PR China.
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18
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Bernatova I, Liskova S. Mechanisms Modified by (-)-Epicatechin and Taxifolin Relevant for the Treatment of Hypertension and Viral Infection: Knowledge from Preclinical Studies. Antioxidants (Basel) 2021; 10:467. [PMID: 33809620 PMCID: PMC8002320 DOI: 10.3390/antiox10030467] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 02/07/2023] Open
Abstract
Various studies have shown that certain flavonoids, flavonoid-containing plant extracts, and foods can improve human health. Experimental studies showed that flavonoids have the capacity to alter physiological processes as well as cellular and molecular mechanisms associated with their antioxidant properties. An important function of flavonoids was determined in the cardiovascular system, namely their capacity to lower blood pressure and to improve endothelial function. (-)-Epicatechin and taxifolin are two flavonoids with notable antihypertensive effects and multiple beneficial actions in the cardiovascular system, but they also possess antiviral effects, which may be of particular importance in the ongoing pandemic situation. Thus, this review is focused on the current knowledge of (-)-epicatechin as well as (+)-taxifolin and/or (-)-taxifolin-modified biological action and underlining molecular mechanisms determined in preclinical studies, which are relevant not only to the treatment of hypertension per se but may provide additional antiviral benefits that could be relevant to the treatment of hypertensive subjects with SARS-CoV-2 infection.
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Affiliation(s)
- Iveta Bernatova
- Centre of Experimental Medicine, Institute of Normal and Pathological Physiology, Slovak Academy of Sciences, Sienkiewiczova 1, 813 71 Bratislava, Slovakia;
| | - Silvia Liskova
- Centre of Experimental Medicine, Institute of Normal and Pathological Physiology, Slovak Academy of Sciences, Sienkiewiczova 1, 813 71 Bratislava, Slovakia;
- Faculty of Medicine, Institute of Pharmacology and Clinical Pharmacology, Comenius University, Sasinkova 4, 811 08 Bratislava, Slovakia
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19
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Paithankar JG, Saini S, Dwivedi S, Sharma A, Chowdhuri DK. Heavy metal associated health hazards: An interplay of oxidative stress and signal transduction. CHEMOSPHERE 2021; 262:128350. [PMID: 33182141 DOI: 10.1016/j.chemosphere.2020.128350] [Citation(s) in RCA: 245] [Impact Index Per Article: 81.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 09/09/2020] [Accepted: 09/13/2020] [Indexed: 05/20/2023]
Abstract
Heavy metal-induced cellular and organismal toxicity have become a major health concern in biomedical science. Indiscriminate use of heavy metals in different sectors, such as, industrial-, agricultural-, healthcare-, cosmetics-, and domestic-sectors has contaminated environment matrices and poses a severe health concern. Xenobiotics mediated effect is a ubiquitous cellular response. Oxidative stress is one such prime cellular response, which is the result of an imbalance in the redox system. Further, oxidative stress is associated with macromolecular damages and activation of several cell survival and cell death pathways. Epidemiological as well as laboratory data suggest that oxidative stress-induced cellular response following heavy metal exposure is linked with an increased risk of neoplasm, neurological disorders, diabetes, infertility, developmental disorders, renal failure, and cardiovascular disease. During the recent past, a relation among heavy metal exposure, oxidative stress, and signaling pathways have been explored to understand the heavy metal-induced toxicity. Heavy metal-induced oxidative stress and its connection with different signaling pathways are complicated; therefore, the systemic summary is essential. Herein, an effort has been made to decipher the interplay among heavy metals/metalloids (Arsenic, Chromium, Cadmium, and Lead) exposures, oxidative stress, and signal transduction, which are essential to mount the cellular and organismal response. The signaling pathways involved in this interplay include NF-κB, NRF2, JAK-STAT, JNK, FOXO, and HIF.
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Affiliation(s)
- Jagdish Gopal Paithankar
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India
| | - Sanjay Saini
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India; Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow, 226007, India
| | - Shiwangi Dwivedi
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India
| | - Anurag Sharma
- Nitte (Deemed to Be University), Nitte University Centre for Science Education and Research (NUCSER), Division of Environmental Health and Toxicology, Kotekar-Beeri Road, Deralakatte, Mangaluru, 575018, India.
| | - Debapratim Kar Chowdhuri
- Embryotoxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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20
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Anti-Inflammatory Effects of Heritiera littoralis Fruits on Dextran Sulfate Sodium- (DSS-) Induced Ulcerative Colitis in Mice by Regulating Gut Microbiota and Suppressing NF- κB Pathway. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8893621. [PMID: 33354574 PMCID: PMC7735845 DOI: 10.1155/2020/8893621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/13/2020] [Accepted: 11/27/2020] [Indexed: 02/06/2023]
Abstract
Materials and Methods The chemical compositions of EFH were identified using LC-ESI-MS. The mice with 3% DSS-induced UC were administered EFH (200, 400, and 800 mg/kg), sulfasalazine (SASP, 200 mg/kg), and azathioprine (AZA, 13 mg/kg) for 10 days via daily gavage. The colonic inflammation was evaluated by the disease activity index (DAI), colonic length, histological scores, and levels of inflammatory mediators. The gut microbiota was characterized by 16S rRNA gene sequencing and analysis. Results LC-ESI-MS analysis showed that EFH was rich in alkaloids and flavones. The results indicated that EFH significantly improved the DAI score, relieved colon shortening, and repaired pathological colonic variations in colitis. In addition, proteins in the NF-κB pathway were significantly inhibited by EFH. Furthermore, EFH recovered the diversity and balance of the gut microbiota. Conclusions EFH has protective effects against DSS-induced colitis by keeping the balance of the gut microbiota and suppressing the NF-κB pathway.
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