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Peng ML, Fu Y, Wu CW, Zhang Y, Ren H, Zhou SS. Signaling Pathways Related to Oxidative Stress in Diabetic Cardiomyopathy. Front Endocrinol (Lausanne) 2022; 13:907757. [PMID: 35784531 PMCID: PMC9240190 DOI: 10.3389/fendo.2022.907757] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 05/09/2022] [Indexed: 12/19/2022] Open
Abstract
Diabetes is a chronic metabolic disease that is increasing in prevalence and causes many complications. Diabetic cardiomyopathy (DCM) is a complication of diabetes that is associated with high mortality, but it is not well defined. Nevertheless, it is generally accepted that DCM refers to a clinical disease that occurs in patients with diabetes and involves ventricular dysfunction, in the absence of other cardiovascular diseases, such as coronary atherosclerotic heart disease, hypertension, or valvular heart disease. However, it is currently uncertain whether the pathogenesis of DCM is directly attributable to metabolic dysfunction or secondary to diabetic microangiopathy. Oxidative stress (OS) is considered to be a key component of its pathogenesis. The production of reactive oxygen species (ROS) in cardiomyocytes is a vicious circle, resulting in further production of ROS, mitochondrial DNA damage, lipid peroxidation, and the post-translational modification of proteins, as well as inflammation, cardiac hypertrophy and fibrosis, ultimately leading to cell death and cardiac dysfunction. ROS have been shown to affect various signaling pathways involved in the development of DCM. For instance, OS causes metabolic disorders by affecting the regulation of PPARα, AMPK/mTOR, and SIRT3/FOXO3a. Furthermore, OS participates in inflammation mediated by the NF-κB pathway, NLRP3 inflammasome, and the TLR4 pathway. OS also promotes TGF-β-, Rho-ROCK-, and Notch-mediated cardiac remodeling, and is involved in the regulation of calcium homeostasis, which impairs ATP production and causes ROS overproduction. In this review, we summarize the signaling pathways that link OS to DCM, with the intention of identifying appropriate targets and new antioxidant therapies for DCM.
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Affiliation(s)
- Meng-ling Peng
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
| | - Yu Fu
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
| | - Chu-wen Wu
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
| | - Ying Zhang
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
| | - Hang Ren
- Department of Cardiology, The Second Hospital of Jilin University, Changchun, China
| | - Shan-shan Zhou
- Department of Cardiology, The First Hospital of Jilin University, Changchun, China
- *Correspondence: Shan-shan Zhou,
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102
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He A, Shen J, Xue Y, Xiang Li, Li Y, Huang L, Lv D, Luo M. Diacerein attenuates vascular dysfunction by reducing inflammatory response and insulin resistance in type 2 diabetic rats. Biochem Biophys Res Commun 2021; 585:68-74. [PMID: 34801936 DOI: 10.1016/j.bbrc.2021.11.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 11/04/2021] [Accepted: 11/04/2021] [Indexed: 12/23/2022]
Abstract
AIM To examine the effect of diacerein on vascular dysfunction in type 2 diabetic rats and elucidate the mechanism of diacerein. METHODS In a rat model, type 2 diabetes was induced by high-fat diet and streptozotocin. Vascular function was assessed in vascular reactivity experiment. The effect of diacerein (10 or 20 mg/kg/day) on blood glucose, inflammation and insulin signaling, and modulators in vascular tissue in diabetic rats were investigated by molecular and biochemical approaches. RESULTS In this study, diacerein inhibited diabetes-induced vascular dysfunction. Diacerein treatment normalized blood glucose, insulin tolerance test, inflammatory cytokine levels and nitric oxide synthases expression in diabetic rats. Moreover, diacerein inhibited NF-κB and NLRP3 pathways and activated insulin signaling pathway related proteins IRS-1 and AKT in diabetic rats. CONCLUSION Diacerein improved vascular function effectively in diabetic rats by suppressing inflammation and reducing insulin resistance. These results suggest that diacerein may represent a novel therapy for patients with diabetes.
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Affiliation(s)
- An He
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Jian Shen
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yuzhou Xue
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Xiang Li
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yuanjing Li
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Longxiang Huang
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Dingyi Lv
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
| | - Minghao Luo
- Division of Cardiology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
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103
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NLRP3 Inflammasome in Diabetic Cardiomyopathy and Exercise Intervention. Int J Mol Sci 2021; 22:ijms222413228. [PMID: 34948026 PMCID: PMC8707657 DOI: 10.3390/ijms222413228] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 11/24/2021] [Accepted: 12/06/2021] [Indexed: 12/12/2022] Open
Abstract
Diabetic cardiomyopathy (DCM), as a common complication of diabetes, is characterized by chronic low-grade inflammation. The NLRP3 inflammasome is a key sensor mediating innate immune and inflammatory responses. However, the mechanisms initiating and promoting NLRP3 inflammasome activation in DCM is largely unexplored. The aim of the present review is to describe the link between NLRP3 inflammasome and DCM, and to provide evidence highlighting the importance of exercise training in DCM intervention. Collectively, this evidence suggests that DCM is an inflammatory disease aggravated by NLRP3 inflammasome-mediated release of IL-1β and IL-18. In addition, chronic exercise intervention is an effective preventive and therapeutic method to alleviate DCM via modulating the NLRP3 inflammasome.
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104
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Chen J, Ding X, Wu R, Tong B, Zhao L, Lv H, Meng X, Liu Y, Ren B, Li J, Jian T, Li W. Novel Sesquiterpene Glycoside from Loquat Leaf Alleviates Type 2 Diabetes Mellitus Combined with Nonalcoholic Fatty Liver Disease by Improving Insulin Resistance, Oxidative Stress, Inflammation, and Gut Microbiota Composition. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:14176-14191. [PMID: 34783554 DOI: 10.1021/acs.jafc.1c05596] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is strongly associated with type 2 diabetes mellitus (T2DM). Sesquiterpene glycosides from loquat leaf achieved beneficial effects on metabolic syndromes such as NAFLD and diabetes; however, their specific activity and underlying mechanism on T2DM-associated NAFLD have not yet been fully understood. In the present study, we found that sesquiterpene glycoside 3 (SG3), a novel sesquiterpene glycoside isolated from loquat leaf, was able to prevent insulin resistance (IR), oxidative stress, and inflammation. In db/db mice, SG3 administration (25 and 50 mg/kg/day) inhibited obesity, hyperglycemia, and the release of inflammatory cytokines. SG3 (5 and 10 μM) also significantly alleviated hepatic lipid accumulation, oxidative stress, and inflammatory response induced by high glucose combined with oleic acid in HepG2 cells. Western blotting analysis showed that these effects were related to repair the abnormal insulin signaling and inhibit the cytochrome P450 2E1 (CYP2E1) and NOD-like receptor family pyrin domain-containing 3 (NLRP3), both in vivo and in vitro. In addition, SG3 treatment could decrease the ratio of Firmicutes/Bacteroidetes and increase the relative abundance of Lachnospiraceae, Muribaculaceae, and Lactobacillaceae after a high-throughput pyrosequencing of 16S rRNA to observe the changes of related gut microbial composition in db/db mice. These findings proved that SG3 could protect against NAFLD in T2DM by improving IR, oxidative stress, inflammation through regulating insulin signaling and inhibiting CYP2E1/NLRP3 pathways, and remodeling the mouse gut microbiome. It is suggested that SG3 could be considered as a new functional additive for a healthy diet.
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Affiliation(s)
- Jian Chen
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoqin Ding
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Ruoyun Wu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Bei Tong
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Lei Zhao
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Han Lv
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Xiuhua Meng
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Yan Liu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Bingru Ren
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Jing Li
- Department of Food Science and Technology, College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Tunyu Jian
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
| | - Weilin Li
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China
- Co-Innovation Center for Sustainable Forestry in Southern China, Forestry College, Nanjing Forestry University, Nanjing 210037, China
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Abstract
The COVID-19 pandemic, caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), results in life-threatening disease in a minority of patients, especially elderly people and those with co-morbidities such as obesity and diabetes. Severe disease is characterized by dysregulated cytokine release, pneumonia and acute lung injury, which can rapidly progress to acute respiratory distress syndrome, disseminated intravascular coagulation, multisystem failure and death. However, a mechanistic understanding of COVID-19 progression remains unclear. Here we review evidence that SARS-CoV-2 directly or indirectly activates inflammasomes, which are large multiprotein assemblies that are broadly responsive to pathogen-associated and stress-associated cellular insults, leading to secretion of the pleiotropic IL-1 family cytokines (IL-1β and IL-18), and pyroptosis, an inflammatory form of cell death. We further discuss potential mechanisms of inflammasome activation and clinical efforts currently under way to suppress inflammation to prevent or ameliorate severe COVID-19.
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Affiliation(s)
- Setu M Vora
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA.
- Department of Pediatrics, Harvard Medical School, Boston, MA, USA.
| | - Hao Wu
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA, USA.
- Program in Cellular and Molecular Medicine, Boston Children's Hospital, Boston, MA, USA.
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106
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Wang C, Yang T, Xiao J, Xu C, Alippe Y, Sun K, Kanneganti TD, Monahan JB, Abu-Amer Y, Lieberman J, Mbalaviele G. NLRP3 inflammasome activation triggers gasdermin D-independent inflammation. Sci Immunol 2021; 6:eabj3859. [PMID: 34678046 DOI: 10.1126/sciimmunol.abj3859] [Citation(s) in RCA: 117] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
[Figure: see text].
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Affiliation(s)
- Chun Wang
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Tong Yang
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA.,Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jianqiu Xiao
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Canxin Xu
- Aclaris Therapeutics Inc., St. Louis, MO 63108, USA
| | - Yael Alippe
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA
| | - Kai Sun
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA.,Department of Spine Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | | | | | - Yousef Abu-Amer
- Department of Orthopaedic Surgery, Washington University School of Medicine, St. Louis, MO, USA.,Shriners Hospital for Children, St. Louis, MO 63110, USA
| | - Judy Lieberman
- Program in Cellular and Molecular Medicine, Boston Children's Hospital and Department of Pediatrics, Harvard Medical School, Boston, MA 02115 USA
| | - Gabriel Mbalaviele
- Division of Bone and Mineral Diseases, Washington University School of Medicine, St. Louis, MO 63110, USA
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107
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Meng C, Gu C, He S, Su T, Lhamo T, Draga D, Qiu Q. Pyroptosis in the Retinal Neurovascular Unit: New Insights Into Diabetic Retinopathy. Front Immunol 2021; 12:763092. [PMID: 34737754 PMCID: PMC8560732 DOI: 10.3389/fimmu.2021.763092] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 09/28/2021] [Indexed: 12/15/2022] Open
Abstract
Diabetic retinopathy (DR) is prevalent among people with long-term diabetes mellitus (DM) and remains the leading cause of visual impairment in working-aged people. DR is related to chronic low-level inflammatory reactions. Pyroptosis is an emerging type of inflammatory cell death mediated by gasdermin D (GSDMD), NOD-like receptors and inflammatory caspases that promote interleukin-1β (IL-1β) and IL-18 release. In addition, the retinal neurovascular unit (NVU) is the functional basis of the retina. Recent studies have shown that pyroptosis may participate in the destruction of retinal NVU cells in simulated hyperglycemic DR environments. In this review, we will clarify the importance of pyroptosis in the retinal NVU during the development of DR.
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Affiliation(s)
- Chunren Meng
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Chufeng Gu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Shuai He
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Tong Su
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
| | - Thashi Lhamo
- Department of Ophthalmology, Shigatse People’s Hospital, Shigatse, China
| | - Deji Draga
- Department of Ophthalmology, Shigatse People’s Hospital, Shigatse, China
| | - Qinghua Qiu
- Department of Ophthalmology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- National Clinical Research Center for Eye Diseases; Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai Engineering Center for Visual Science and Photomedicine, Shanghai Engineering Center for Precise Diagnosis and Treatment of Eye Diseases, Shanghai, China
- Department of Ophthalmology, Shigatse People’s Hospital, Shigatse, China
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108
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Zhang J, Qiu T, Jiang L, Wang N, Zhu Y, Yan R, Wang S, Bai J, Shi X, Yang G, Liu X, Yao X, Sun X. NLRP3 inflammasome blocked the glycolytic pathway via targeting to PKLR in arsenic-induced hepatic insulin resistance. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 223:112590. [PMID: 34364127 DOI: 10.1016/j.ecoenv.2021.112590] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 07/27/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Arsenic exposure is related to insulin resistance (IR). However, the underlying mechanism is still uncertain. NOD-like receptors containing pyrin domain 3 (NLRP3) inflammasome is a key driving factor of IR. We found that NaAsO2 caused hepatic IR, activated NLRP3 inflammasome, and inhibited glycolysis pathway in vivo. We also found that tricarboxylic acid cycle (TCA cycle) was inhibited, and the content of hepatic lactate was upregulated with the treatment of arsenic. Consistent with these findings, we found that NLRP3 inflammasome and glycolysis were involved in the development of IR in L-02 cells. Besides, inhibiting NLRP3 inflammasome upregulated aerobic glycolysis and inhibited anaerobic glycolysis. Moreover, we demonstrated that NLRP3 inflammasome could bind to pyruvate kinase, liver and RBC (PKLR). Simultaneously, insulin signaling rather than NLRP3 inflammasome activation was altered by overexpressing PKLR. In summary, after treatment with NaAsO2, NLRP3 inflammasome blocked the glycolytic pathway via binding to PKLR, which in turn caused hepatic IR. This study shed new light on the molecular mechanism underlying arsenic-induced IR.
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Affiliation(s)
- Jingyuan Zhang
- 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.
| | - Liping Jiang
- Experimental Teaching Center of Public Health, Dalian Medical University, 9 Lvshun South Road, Dalian 116044, PR China.
| | - Ningning Wang
- Nutrition and Food Hygiene, 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.
| | - Rushan Yan
- The Second Affiliated Hospital, Dalian Medical University, 467 Zhongshan Road, Dalian 116023, PR China.
| | - Shengyu Wang
- The First Affiliated Hospital, Dalian Medical University, 222 Zhongshan Road, Dalian 116001, PR China.
| | - Jie Bai
- Nutrition and Food Hygiene, Dalian Medical University, 9 Lvshun South Road, Dalian 116044, PR China.
| | - Xiaoxia Shi
- 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.
| | - Xiaofeng Yao
- 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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109
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Bai Y, Mu Q, Bao X, Zuo J, Fang X, Hua J, Zhang D, Jiang G, Li P, Gao S, Zhao D. Targeting NLRP3 Inflammasome in the Treatment Of Diabetes and Diabetic Complications: Role of Natural Compounds from Herbal Medicine. Aging Dis 2021; 12:1587-1604. [PMID: 34631209 PMCID: PMC8460305 DOI: 10.14336/ad.2021.0318] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 03/18/2021] [Indexed: 12/11/2022] Open
Abstract
Diabetes, a common metabolic disease with various complications, is becoming a serious global health pandemic. So far there are many approaches in the management of diabetes; however, it still remains irreversible due to its complicated pathogenesis. Recent studies have revealed that nucleotide-binding and oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome plays a vital role in the progression of diabetes and many of its complications, making it a promising therapeutic target in pharmaceutical design. Natural derived herbal medicine, known for its utilization of natural products such as herbs or its bioactive ingredients, is shown to be able to ameliorate hyperglycemia-associated symptoms and to postpone the progression of diabetic complications due to its anti-inflammatory and anti-oxidative properties. In this review, we summarized the role of NLRP3 inflammasome in diabetes and several diabetic complications, as well as 31 active compounds that exert therapeutic effect on diabetic complications via inhibiting NLRP3 inflammasome. Improving our understanding of these promising candidates from natural compounds in herbal medicine targeting NLRP3 inflammasome inspires us the relationship between inflammation and metabolic disorders, and also sheds light on searching potential agents or therapies in the treatment of diabetes and diabetic complications.
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Affiliation(s)
- Ying Bai
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Qianqian Mu
- 2Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xueli Bao
- 3Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jiacheng Zuo
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Xin Fang
- 3Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jing Hua
- 3Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Dongwei Zhang
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Guangjian Jiang
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Ping Li
- 3Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Sihua Gao
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Dandan Zhao
- 1College of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
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110
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Yin Y, Shen H. Advances in Cardiotoxicity Induced by Altered Mitochondrial Dynamics and Mitophagy. Front Cardiovasc Med 2021; 8:739095. [PMID: 34616789 PMCID: PMC8488107 DOI: 10.3389/fcvm.2021.739095] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 08/27/2021] [Indexed: 11/25/2022] Open
Abstract
Mitochondria are the most abundant organelles in cardiac cells, and are essential to maintain the normal cardiac function, which requires mitochondrial dynamics and mitophagy to ensure the stability of mitochondrial quantity and quality. When mitochondria are affected by continuous injury factors, the balance between mitochondrial dynamics and mitophagy is broken. Aging and damaged mitochondria cannot be completely removed in cardiac cells, resulting in energy supply disorder and accumulation of toxic substances in cardiac cells, resulting in cardiac damage and cardiotoxicity. This paper summarizes the specific underlying mechanisms by which various adverse factors interfere with mitochondrial dynamics and mitophagy to produce cardiotoxicity and emphasizes the crucial role of oxidative stress in mitophagy. This review aims to provide fresh ideas for the prevention and treatment of cardiotoxicity induced by altered mitochondrial dynamics and mitophagy.
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Affiliation(s)
- Yiyuan Yin
- Department of Emergency Medicine, ShengJing Hospital of China Medical University, Shenyang, China
| | - Haitao Shen
- Department of Emergency Medicine, ShengJing Hospital of China Medical University, Shenyang, China
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111
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Zhang T, Ding S, Wang R. Research Progress of Mitochondrial Mechanism in NLRP3 Inflammasome Activation and Exercise Regulation of NLRP3 Inflammasome. Int J Mol Sci 2021; 22:ijms221910866. [PMID: 34639204 PMCID: PMC8509472 DOI: 10.3390/ijms221910866] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 09/29/2021] [Accepted: 09/30/2021] [Indexed: 12/13/2022] Open
Abstract
NLRP3 is an important pattern recognition receptor in the innate immune system, and its activation induces a large number of pro-inflammatory cytokines, IL-1β and IL-18 which are involved in the development of various diseases. In recent years, it has been suggested that mitochondria are the platform for NLRP3 inflammasome activation. Additionally, exercise is considered as an important intervention strategy to mediate the innate immune responses. Generally, chronic moderate-intensity endurance training, resistance training and high-intensity interval training inhibit NLRP3 inflammasome activation in response to various pathological factors. In contrast, acute exercise activates NLRP3 inflammasome. However, the mechanisms by which exercise regulates NLRP3 inflammasome activation are largely unclear. Therefore, the mechanism of NLRP3 inflammasome activation is discussed mainly from the perspective of mitochondria in this review. Moreover, the effect and potential mechanism of exercise on NLRP3 inflammasome are explored, hoping to provide new target for relevant research.
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Affiliation(s)
- Tan Zhang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China;
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai 200438, China
| | - Shuzhe Ding
- Key Laboratory of Adolescent Health Assessment and Exercise Intervention, Ministry of Education, East China Normal University, Shanghai 200241, China
- Correspondence: (S.D.); (R.W.)
| | - Ru Wang
- School of Kinesiology, Shanghai University of Sport, Shanghai 200438, China;
- Shanghai Frontiers Science Research Base of Exercise and Metabolic Health, Shanghai 200438, China
- Correspondence: (S.D.); (R.W.)
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112
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Li WX, Qian P, Guo YT, Gu L, Jurat J, Bai Y, Zhang DF. Myrtenal and β-caryophyllene oxide screened from Liquidambaris Fructus suppress NLRP3 inflammasome components in rheumatoid arthritis. BMC Complement Med Ther 2021; 21:242. [PMID: 34583676 PMCID: PMC8480017 DOI: 10.1186/s12906-021-03410-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 09/15/2021] [Indexed: 12/20/2022] Open
Abstract
Background Liquidambaris Fructus (LF) is the infructescence of Liquidambar formosana. In Traditional Chinese Medicine, LF has been used to treat joint pain, a common symptom of arthritis and rheumatism; however, a lack of pharmacological evidence has limited its applications in modern clinics. Therefore, this study aims to explore the protective effect of LF on rheumatoid arthritis (RA) and to identify its active ingredients. Methods Rats with adjuvant-induced arthritis (AIA) were divided into 4 groups and administered petroleum ether extract of LF (PEL), ethyl acetate extract of LF (EEL), water extract of LF (WEL), or piroxicam (PIR) respectively for 3 weeks. Two additional groups were used as normal control (NC) and model control (MC) and administered distilled water as a placebo. The clinical scores for arthritis, bone surface, synovial inflammation and cartilage erosion were used to evaluate the therapeutic efficacy of each treatment. The serum IL-1β and TNF-α level and the expression of NLRP3, IL-1β and caspase-1 p20 in the synovial tissue of AIA rats were evaluated by ELISA and Western blot. The active ingredients of LF were investigated using network pharmacology and molecular docking methods, and their inhibition of NLRP3 inflammasome activation was verified in the human rheumatoid arthritis fibroblast-like synovial cells (RA-FLS) model. Results PEL could alleviate paw swelling, bone and joint destruction, synovial inflammation and cartilage erosion in the AIA rats, with significantly superior efficacy to that of EEL and WEL. PEL reduced IL-1β and TNF-α serum levels, and attenuated the upregulation of NLRP3, IL-1β and caspase-1 p20 expression in the synovial tissue of AIA rats. Network pharmacology and molecular docking results indicated that myrtenal and β-caryophyllene oxide were the main two active ingredients of PEL, and these two compounds showed significant inhibition on TNF-α, NLRP3, IL-1β and caspase-1 p20 expression in RA-FLS. Conclusions Myrtenal and β-caryophyllene oxide screened from PEL could suppress the activation of NLRP3 inflammasome, thereby alleviating RA symptoms. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-021-03410-2.
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Affiliation(s)
- Wen-Xuan Li
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China
| | - Ping Qian
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China
| | - Yi-Tong Guo
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China
| | - Li Gu
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China
| | - Jessore Jurat
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China
| | - Yang Bai
- Department of Clinical Pharmacology, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China.
| | - Dong-Fang Zhang
- Department of Pharmacognosy, School of Pharmacy, China Medical University, Shenyang, 110122, Liaoning, China.
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Lee JY, Kang Y, Kim HJ, Kim DJ, Lee KW, Han SJ. Acute Glucose Shift Induces the Activation of the NLRP3 Inflammasome in THP-1 Cells. Int J Mol Sci 2021; 22:ijms22189952. [PMID: 34576117 PMCID: PMC8465199 DOI: 10.3390/ijms22189952] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 09/11/2021] [Indexed: 02/07/2023] Open
Abstract
We aimed to investigate the effect of acute glucose shift on the activation of the NLRP3 inflammasome, IL-1β secretion, and underlying signaling pathways in THP-1 cells. THP-1 cells were divided into four groups and exposed to the following glucose concentrations for 24 h: constant normal glucose (NG, 5.5 mM), constant high glucose (HG, 25 mM), normal to high glucose shift (NG-to-HG, 5.5 to 25 mM), and high to normal glucose shift (HG-to-NG, 25 to 5.5 mM). Cell viability, oxidative stress, and the levels of NLRP3 inflammasome components were assessed. Both directions of the acute glucose shift increased the activation of the NLRP3 inflammasome, generation of reactive oxygen species (ROS), and expression of phosphorylated p38 MAPK, JNK, and NF-κB compared with either constant NG or HG. Treatment with N-acetylcysteine, a pharmacological antioxidant, inhibited the acute glucose shift-induced generation of ROS, activation of NLRP3 inflammasome, and upregulation of MAPK-NF-κB. Further analysis using inhibitors of p38 MAPK, JNK, and NF-κB indicated that acute glucose shifts promoted IL-1β secretion by activating the signaling pathway in a ROS-MAPK-NF-κB-NLRP3 inflammasome in THP-1 cells. These findings suggested that acute changes in glucose concentration might cause monocyte inflammation, which is associated with diabetic complications.
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Affiliation(s)
- Ji Yeon Lee
- Department of Endocrinology & Metabolism, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Yup Kang
- Department of Physiology, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Hae Jin Kim
- Department of Endocrinology & Metabolism, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Dae Jung Kim
- Department of Endocrinology & Metabolism, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Kwan Woo Lee
- Department of Endocrinology & Metabolism, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
| | - Seung Jin Han
- Department of Endocrinology & Metabolism, Ajou University School of Medicine, 164 World Cup-ro, Yeongtong-gu, Suwon 16499, Korea
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Zhao W, Chen L, Zhou H, Deng C, Han Q, Chen Y, Wu Q, Li S. Protective effect of carvacrol on liver injury in type 2 diabetic db/db mice. Mol Med Rep 2021; 24:741. [PMID: 34435648 PMCID: PMC8430346 DOI: 10.3892/mmr.2021.12381] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 02/24/2021] [Indexed: 12/11/2022] Open
Abstract
The present study aimed to investigate the protective effect of carvacrol on liver injury in mice with type 2 diabetes mellitus (T2DM) and to assess its potential molecular mechanism. Mice were divided into three groups (n=15/group): Non-diabetic db/m+ mice group, db/db mice group and db/db mice + carvacrol group. In the db/db mice + carvacrol group, db/db mice were administered 10 mg/kg carvacrol daily by gavage for 6 weeks. Fasting blood glucose and insulin levels were separately examined. Pathological changes were observed using hematoxylin and eosin, Masson's trichrome, periodic acid Schiff and reticular fiber staining. In addition, immunohistochemistry, immunofluorescence and western blotting were used to examine the expression levels of Toll-like receptor 4 (TLR4), NF-κB, NALP3, AKT1, phosphorylated (p)-AKT1, insulin receptor (INSR), p-INSR, mTOR, p-mTOR, insulin receptor substrate 1 (IRS1) and p-IRS1 in the liver tissues. The results revealed that carvacrol improved blood glucose and insulin resistance of T2DM db/db mice. After treatment with carvacrol for 6 weeks, the serum levels of TC, TG and LDL-C were markedly reduced, whereas HDL-C levels were significantly increased in db/db mice. Furthermore, carvacrol administration significantly decreased serum ALT and AST levels in db/db mice. Serum BUN, Cre and UA levels were markedly higher in db/db mice compared with those in the control group; however, carvacrol treatment markedly reduced their serum levels in db/db mice. Furthermore, histological examinations confirmed that carvacrol could protect the liver of db/db mice. Carvacrol could ameliorate liver injury induced by T2DM via mediating insulin, TLR4/NF-κB and AKT1/mTOR signaling pathways. The present findings suggested that carvacrol exerted protective effects on the liver in T2DM db/db mice, which could be related to insulin, TLR4/NF-κB and AKT1/mTOR signaling pathways.
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Affiliation(s)
- Wei Zhao
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Li Chen
- Department of Prevention and Health Care, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Heng Zhou
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Chunyan Deng
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Qizhen Han
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Yonghua Chen
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Qing Wu
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
| | - Shanshan Li
- Department of Endocrinology, The Second Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou 550003, P.R. China
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Ashrafizadeh M, Najafi M, Kavyiani N, Mohammadinejad R, Farkhondeh T, Samarghandian S. Anti-Inflammatory Activity of Melatonin: a Focus on the Role of NLRP3 Inflammasome. Inflammation 2021; 44:1207-1222. [PMID: 33651308 DOI: 10.1007/s10753-021-01428-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 12/19/2022]
Abstract
Melatonin is a hormone of the pineal gland that contributes to the regulation of physiological activities, such as sleep, circadian rhythm, and neuroendocrine processes. Melatonin is found in several plants and has pharmacological activities including antioxidant, anti-inflammatory, hepatoprotective, cardioprotective, and neuroprotective. It also has shown therapeutic efficacy in treatment of cancer and diabetes. Melatonin affects several molecular pathways to exert its protective effects. The NLRP3 inflammasome is considered a novel target of melatonin. This inflammasome contributes to enhanced level of IL-1β, caspase-1 activation, and pyroptosis stimulation. The function of NLRP3 inflammasome has been explored in various diseases, including cancer, diabetes, and neurological disorders. By inhibiting NLRP3, melatonin diminishes inflammation and influences various molecular pathways, such as SIRT1, microRNA, long non-coding RNA, and Wnt/β-catenin. Here, we discuss these molecular pathways and suggest that melatonin-induced inhibition of NLRP3 should be advanced in disease therapy.
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Affiliation(s)
- Milad Ashrafizadeh
- Faculty of Engineering and Natural Sciences, Sabanci University, Orta Mahalle, Üniversite Caddesi No. 27, Orhanlı, Tuzla, 34956, Istanbul, Turkey
- Sabanci University Nanotechnology Research and Application Center (SUNUM), Tuzla, 34956, Istanbul, Turkey
| | - Masoud Najafi
- Radiology and Nuclear Medicine Department, School of Paramedical Sciences, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Nasim Kavyiani
- Department of Basic Science, Faculty of Veterinary Medicine Faculty, Islamic Azad Branch, University of Shushtar, Shushtar, Khuzestan, Iran
| | - Reza Mohammadinejad
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Tahereh Farkhondeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
- Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Saeed Samarghandian
- Noncommunicable Diseases Research Center, Neyshabur University of Medical Sciences, Neyshabur, Iran.
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Watanabe R, Ashida H, Kobayashi‐Miura M, Yokota A, Yodoi J. Effect of chronic administration with human thioredoxin-1 transplastomic lettuce on diabetic mice. Food Sci Nutr 2021; 9:4232-4242. [PMID: 34401074 PMCID: PMC8358336 DOI: 10.1002/fsn3.2391] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 05/13/2021] [Accepted: 05/17/2021] [Indexed: 11/09/2022] Open
Abstract
SCOPE Human thioredoxin-1 (hTrx-1) is a defensive protein induced by various stresses and exerts antioxidative and anti-inflammatory effects. Previously, we described a transplastomic lettuce overexpressing hTrx-1 that exerts a protective effect against oxidative damage in a pancreatic β-cell line. In this study, we treated diabetic mice (Akita mice) with exogenous hTrx-1 and evaluated the effects. METHODS AND RESULTS Treatment with drinking water and single applications of exogenous hTrx-1 did not influence the feeding, drinking behavior, body weight, blood glucose, or glycosylated hemoglobin (HbA1c) levels in Akita mice. However, chronic administration of a 10% hTrx-1 lettuce-containing diet was associated with a significant reduction from the baseline of HbA1c levels compared with mice fed a wild-type lettuce-containing diet. It also resulted in an increased number of goblet cells in the small intestine, indicating that mucus was synthesized and secreted. CONCLUSION Our results revealed that the administration of an hTrx-1 lettuce-containing diet improves the baseline level of HbA1c in Akita mice. This effect is mediated through goblet cell proliferation and possibly related to protection against postprandial hyperglycemia by mucus, which results in the improvement of blood glucose control. These findings suggest that the hTrx-1 lettuce may be a useful tool for the continuous antioxidative and antidiabetic efficacies of the hTrx-1 protein.
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Affiliation(s)
- Rie Watanabe
- Laboratory of Infection and PreventionDepartment of Biological ResponsesInstitute for Virus ResearchKyoto UniversityKyotoJapan
- Department of Food ScienceFaculty of Human Life SciencesMimasaka UniversityOkayamaJapan
- Nanometorics LaboratoryDepartment of MicroengineeringGraduate School of EngineeringKyoto UniversityKyotoJapan
- Present address:
Institute for Frontier Life and Medical SciencesKyoto UniversityKyotoJapan
| | - Hiroki Ashida
- Graduate School of Biological SciencesNara Institute of Science and Technology (NAIST)NaraJapan
- Graduate School of Human Development and EnvironmentKobe UniversityKobe CityJapan
- Present address:
Institute for Frontier Life and Medical SciencesKyoto UniversityKyotoJapan
| | - Mikiko Kobayashi‐Miura
- Laboratory of Infection and PreventionDepartment of Biological ResponsesInstitute for Virus ResearchKyoto UniversityKyotoJapan
- Department of BiochemistryShimane University Faculty of MedicineShimaneJapan
- Present address:
Institute for Frontier Life and Medical SciencesKyoto UniversityKyotoJapan
| | - Akiho Yokota
- Graduate School of Biological SciencesNara Institute of Science and Technology (NAIST)NaraJapan
- Present address:
Institute for Frontier Life and Medical SciencesKyoto UniversityKyotoJapan
| | - Junji Yodoi
- Laboratory of Infection and PreventionDepartment of Biological ResponsesInstitute for Virus ResearchKyoto UniversityKyotoJapan
- Present address:
Institute for Frontier Life and Medical SciencesKyoto UniversityKyotoJapan
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TREM2 Regulates High Glucose-Induced Microglial Inflammation via the NLRP3 Signaling Pathway. Brain Sci 2021; 11:brainsci11070896. [PMID: 34356130 PMCID: PMC8306970 DOI: 10.3390/brainsci11070896] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/26/2021] [Accepted: 07/03/2021] [Indexed: 01/04/2023] Open
Abstract
Background: TREM2 expressed on microglia plays an important role in modulating inflammation in neurodegenerative diseases. It remains unknown whether TREM2 modulates hyperglycemia-induced microglial inflammation. Methods: We investigated the molecular function of TREM2 in high glucose-induced microglial inflammation using western blotting, qPCR, ELISA, pulldown, and co-IP methods. Results: Our data showed that in high glucose-induced BV2 cells, TREM2 was increased, and the proinflammatory cytokine IL-1β was increased. TREM2 knockout (KO) attenuated the proinflammatory cytokine IL-1β; conversely, TREM2 overexpression (OE) exacerbated IL-1β expression. Furthermore, we found that high glucose promoted the interaction of TREM2 with NLRP3. TREM2 KO abolished the interaction of TREM2 with NLRP3, while TREM2 OE enhanced the interaction. Moreover, TREM2 KO reduced high glucose-induced NLRP3 inflammasome activation, and TREM2 OE augmented high glucose-induced NLRP3 inflammasome activation, indicating that high glucose enhances the expression of TREM2, which activates the NLRP3 inflammasome. To further clarify whether the NLRP3 signaling pathway mediates the TREM2-regulated inflammatory response, we blocked the NLRP3 inflammasome by knocking out NLRP3 and treating cells with a caspase1 inhibitor, which decreased the levels of the IL-1β proinflammatory cytokine but did not affect the high glucose-induced expression of TREM2. Conclusions: TREM2 modulates high glucose-induced microglial inflammation via the NLRP3 signaling pathway.
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Yamamoto H, Ichikawa Y, Hirano SI, Sato B, Takefuji Y, Satoh F. Molecular Hydrogen as a Novel Protective Agent against Pre-Symptomatic Diseases. Int J Mol Sci 2021; 22:7211. [PMID: 34281264 PMCID: PMC8268741 DOI: 10.3390/ijms22137211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 06/29/2021] [Accepted: 06/30/2021] [Indexed: 12/17/2022] Open
Abstract
Mibyou, or pre-symptomatic diseases, refers to state of health in which a disease is slowly developing within the body yet the symptoms are not apparent. Common examples of mibyou in modern medicine include inflammatory diseases that are caused by chronic inflammation. It is known that chronic inflammation is triggered by the uncontrolled release of proinflammatory cytokines by neutrophils and macrophages in the innate immune system. In a recent study, it was shown that molecular hydrogen (H2) has the ability to treat chronic inflammation by eliminating hydroxyl radicals (·OH), a mitochondrial reactive oxygen species (ROS). In doing so, H2 suppresses oxidative stress, which is implicated in several mechanisms at the root of chronic inflammation, including the activation of NLRP3 inflammasomes. This review explains these mechanisms by which H2 can suppress chronic inflammation and studies its applications as a protective agent against different inflammatory diseases in their pre-symptomatic state. While mibyou cannot be detected nor treated by modern medicine, H2 is able to suppress the pathogenesis of pre-symptomatic diseases, and thus exhibits prospects as a novel protective agent.
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Affiliation(s)
- Haru Yamamoto
- Department of Molecular & Cell Biology, University of California, Berkeley, 3060 Valley Life Sciences Bldg #3140, Berkeley, CA 94720-3140, USA
- MiZ Inc., 39899 Balentine Drive Suite 200, Newark, CA 94560, USA;
| | - Yusuke Ichikawa
- MiZ Inc., 39899 Balentine Drive Suite 200, Newark, CA 94560, USA;
| | - Shin-ichi Hirano
- Department of Research and Development, MiZ Company Limited, 2-19-15 Ofuna, Kamakura, Kanagawa 247-0056, Japan; (S.-i.H.); (B.S.); (F.S.)
| | - Bunpei Sato
- Department of Research and Development, MiZ Company Limited, 2-19-15 Ofuna, Kamakura, Kanagawa 247-0056, Japan; (S.-i.H.); (B.S.); (F.S.)
| | - Yoshiyasu Takefuji
- Faculty of Environment and Information Studies, Keio University, 5322 Endo, Fujisawa 252-0882, Japan;
- Faculty of Data Science, Musashino University, 3-3-3 Ariake, Koto-Ku, Tokyo 134-8181, Japan
| | - Fumitake Satoh
- Department of Research and Development, MiZ Company Limited, 2-19-15 Ofuna, Kamakura, Kanagawa 247-0056, Japan; (S.-i.H.); (B.S.); (F.S.)
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Özenver N, Efferth T. Phytochemical inhibitors of the NLRP3 inflammasome for the treatment of inflammatory diseases. Pharmacol Res 2021; 170:105710. [PMID: 34089866 DOI: 10.1016/j.phrs.2021.105710] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/15/2021] [Accepted: 05/31/2021] [Indexed: 02/07/2023]
Abstract
The NLRP3 inflammasome holds a crucial role in innate immune responses. Pathogen- and danger-associated molecular patterns may initiate inflammasome activation and following inflammatory cytokine release. The inflammasome formation and its-associated activity are involved in various pathological conditions such as cardiovascular, central nervous system, metabolic, renal, inflammatory and autoimmune diseases. Although the mechanism behind NLRP3-mediated disorders have not been entirely illuminated, many phytochemicals and medicinal plants have been described to prevent inflammatory disorders. In the present review, we mainly introduced phytochemicals inhibiting NLRP3 inflammasome in addition to NLRP3-mediated diseases. For this purpose, we performed a systematic literature search by screening PubMed, Scopus, and Google Scholar databases. By compiling the data of phytochemical inhibitors targeting NLRP3 inflammasome activation, a complex balance between inflammasome activation or inhibition with NLRP3 as central player was pointed out in NLRP3-driven pathological conditions. Phytochemicals represent potential therapeutic leads, enabling the generation of chemical derivatives with improved pharmacological features to treat NLRP3-mediated inflammatory diseases.
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Affiliation(s)
- Nadire Özenver
- Department of Pharmacognosy, Faculty of Pharmacy, Hacettepe University, 06100 Ankara, Turkey; Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany.
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany.
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Peptidome Analysis of Pancreatic Tissue Derived from T1DM Mice: Insights into the Pathogenesis and Clinical Treatments of T1DM. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9987042. [PMID: 34095316 PMCID: PMC8164536 DOI: 10.1155/2021/9987042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/14/2021] [Indexed: 11/17/2022]
Abstract
Bioactive peptides attract growing concerns for their participation in multiple biological processes. Their roles in the pathogenesis of type 1 diabetes mellitus remain poorly understood. In this study, we used LC-MS/MS technology to compare the peptide profiling between pancreatic tissue of T1DM mice and pancreatic tissue of matched control groups. A total of 106 peptides were differentially expressed in T1DM pancreatic tissue, including 43 upregulated and 63 downregulated peptides. Most of the precursor proteins are insulin. Further bioinformatics analysis (GO and pathway analysis) indicated that the potential functions of these differential peptides were tightly related to regulation of endoplasmic reticulum stress. In conclusion, this study highlights new candidate peptides and provides a new perspective for exploring T1DM pathogenesis and clinical treatments.
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Meng Q, Meng W, Bian H, Zheng F, Gu H, Zuo R, Miao X, Zhou Z, Wang L, Wen Z, Ma J, Su X. Total glucosides of paeony protects THP-1 macrophages against monosodium urate-induced inflammation via MALAT1/miR-876-5p/NLRP3 signaling cascade in gouty arthritis. Biomed Pharmacother 2021; 138:111413. [PMID: 33677310 DOI: 10.1016/j.biopha.2021.111413] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 02/06/2021] [Accepted: 02/16/2021] [Indexed: 12/26/2022] Open
Abstract
BACKGROUND Monosodium urate (MSU)-mediated inflammatory response is a crucial inducing factor in gouty arthritis. Here, we explored the underlying mechanism of total glucosides of paeony (TGP) in MSU-induced inflammation of THP-1 macrophages in gouty arthritis. METHODS 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was used to detect cell viability. Enzyme-linked immunosorbent assay (ELISA) was utilized to measure the production of interleukin 1β (IL-1β) and tumor necrosis factor α (TNF-α). Real-time quantitative polymerase chain reaction (RT-qPCR) and Western blot assay were conducted to determine RNA and protein expression. Dual-luciferase reporter assay, RNA immunoprecipitation (RIP) assay and RNA pull down assay were used to confirm the interaction between miR-876-5p and MALAT1 or NLR family pyrin domain containing 3 (NLRP3). RESULTS MSU-induced damage and inflammatory response in THP-1 macrophages were alleviated by the treatment of TGP in a dose-dependent manner. Overexpression of NLRP3 or MALAT1 reversed the protective effects of TGP in MSU-induced THP-1 macrophages. The binding relation between miR-876-5p and MALAT1 or NLRP3 was identified in THP-1 macrophages. MALAT1 up-regulated the expression of NLRP3 by sponging miR-876-5p in THP-1 macrophages. TGP suppressed MSU-induced inflammation in THP-1 macrophages through regulating MALAT1/miR-876-5p/NLRP3 axis. TGP suppressed MSU-induced activation of TLR4/MyD88/NF-κB pathway through regulating MALAT1/miR-876-5p/NLRP3 axis. CONCLUSION In conclusion, TGP suppressed MSU-induced inflammation in THP-1 macrophages through regulating MALAT1/miR-876-5p/NLRP3 axis and TLR4/MyD88/NF-κB pathway, suggesting that TGP was a promising active ingredient for gouty arthritis treatment.
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Affiliation(s)
- Qingliang Meng
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Wanting Meng
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hua Bian
- Zhang Zhongjing College of Chinese Medicine, Nanyang Institute of Technology, Nanyang, China
| | - Fuzeng Zheng
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Huimin Gu
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Ruiting Zuo
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Xiyun Miao
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Zipeng Zhou
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Liying Wang
- Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Zhike Wen
- Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China
| | - Junfu Ma
- Department of Rheumatology, Henan province hospital of traditional Chinese medicine (The second affiliated hospital of Henan university of traditional Chinese medicine), Henan University of Traditional Chinese Medicine, Zhengzhou, China.
| | - Xiao Su
- Shanghai Municipal Hospital of Traditional Chinese Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
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Han X, Ding S, Jiang H, Liu G. Roles of Macrophages in the Development and Treatment of Gut Inflammation. Front Cell Dev Biol 2021; 9:625423. [PMID: 33738283 PMCID: PMC7960654 DOI: 10.3389/fcell.2021.625423] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/08/2021] [Indexed: 12/14/2022] Open
Abstract
Macrophages, which are functional plasticity cells, have the ability to phagocytize and digest foreign substances and acquire pro-(M1-like) or anti-inflammatory (M2-like) phenotypes according to their microenvironment. The large number of macrophages in the intestinal tract, play a significant role in maintaining the homeostasis of microorganisms on the surface of the intestinal mucosa and in the continuous renewal of intestinal epithelial cells. They are not only responsible for innate immunity, but also participate in the development of intestinal inflammation. A clear understanding of the function of macrophages, as well as their role in pathogens and inflammatory response, will delineate the next steps in the treatment of intestinal inflammatory diseases. In this review, we discuss the origin and development of macrophages and their role in the intestinal inflammatory response or infection. In addition, the effects of macrophages in the occurrence and development of inflammatory bowel disease (IBD), and their role in inducing fibrosis, activating T cells, reducing colitis, and treating intestinal inflammation were also reviewed in this paper.
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Affiliation(s)
- Xuebing Han
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Sujuan Ding
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Hongmei Jiang
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
| | - Gang Liu
- College of Bioscience and Biotechnology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, China
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123
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Gora IM, Ciechanowska A, Ladyzynski P. NLRP3 Inflammasome at the Interface of Inflammation, Endothelial Dysfunction, and Type 2 Diabetes. Cells 2021; 10:314. [PMID: 33546399 PMCID: PMC7913585 DOI: 10.3390/cells10020314] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/24/2021] [Accepted: 01/30/2021] [Indexed: 01/08/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM), accounting for 90-95% cases of diabetes, is characterized by chronic inflammation. The mechanisms that control inflammation activation in T2DM are largely unexplored. Inflammasomes represent significant sensors mediating innate immune responses. The aim of this work is to present a review of links between the NLRP3 inflammasome, endothelial dysfunction, and T2DM. The NLRP3 inflammasome activates caspase-1, which leads to the maturation of pro-inflammatory cytokines interleukin 1β and interleukin 18. In this review, we characterize the structure and functions of NLRP3 inflammasome as well as the most important mechanisms and molecules engaged in its activation. We present evidence of the importance of the endothelial dysfunction as the first key step to activating the inflammasome, which suggests that suppressing the NLRP3 inflammasome could be a new approach in depletion hyperglycemic toxicity and in averting the onset of vascular complications in T2DM. We also demonstrate reports showing that the expression of a few microRNAs that are also known to be involved in either NLRP3 inflammasome activation or endothelial dysfunction is deregulated in T2DM. Collectively, this evidence suggests that T2DM is an inflammatory disease stimulated by pro-inflammatory cytokines. Finally, studies revealing the role of glucose concentration in the activation of NLRP3 inflammasome are analyzed. The more that is known about inflammasomes, the higher the chances to create new, effective therapies for patients suffering from inflammatory diseases. This may offer potential novel therapeutic perspectives in T2DM prevention and treatment.
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Affiliation(s)
- Ilona M. Gora
- Nalecz Institute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Ks. Trojdena 4, 02-109 Warsaw, Poland; (A.C.); (P.L.)
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He X, Fan X, Bai B, Lu N, Zhang S, Zhang L. Pyroptosis is a critical immune-inflammatory response involved in atherosclerosis. Pharmacol Res 2021; 165:105447. [PMID: 33516832 DOI: 10.1016/j.phrs.2021.105447] [Citation(s) in RCA: 83] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/28/2020] [Accepted: 01/17/2021] [Indexed: 02/07/2023]
Abstract
Pyroptosis is a form of programmed cell death activated by various stimuli and is characterized by inflammasome assembly, membrane pore formation, and the secretion of inflammatory cytokines (IL-1β and IL-18). Atherosclerosis-related risk factors, including oxidized low-density lipoprotein (ox-LDL) and cholesterol crystals, have been shown to promote pyroptosis through several mechanisms that involve ion flux, ROS, endoplasmic reticulum stress, mitochondrial dysfunction, lysosomal rupture, Golgi function, autophagy, noncoding RNAs, post-translational modifications, and the expression of related molecules. Pyroptosis of endothelial cells, macrophages, and smooth muscle cells in the vascular wall can induce plaque instability and accelerate atherosclerosis progression. In this review, we focus on the pathogenesis, influence, and therapy of pyroptosis in atherosclerosis and provide novel ideas for suppressing pyroptosis and the progression of atherosclerosis.
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Affiliation(s)
- Xiao He
- Department of Neurology, First Affiliated Hospital of Harbin Medical University, 23 You Zheng Street, Harbin 150001, Heilongjiang Province, China.
| | - Xuehui Fan
- Department of Neurology, First Affiliated Hospital of Harbin Medical University, 23 You Zheng Street, Harbin 150001, Heilongjiang Province, China.
| | - Bing Bai
- Department of Neurology, First Affiliated Hospital of Harbin Medical University, 23 You Zheng Street, Harbin 150001, Heilongjiang Province, China.
| | - Nanjuan Lu
- Department of Neurology, First Affiliated Hospital of Harbin Medical University, 23 You Zheng Street, Harbin 150001, Heilongjiang Province, China.
| | - Shuang Zhang
- General Surgery, Harbin Changzheng Hospital, 363 Xuan Hua Street, Harbin 150001, Heilongjiang Province, China.
| | - Liming Zhang
- Department of Neurology, First Affiliated Hospital of Harbin Medical University, 23 You Zheng Street, Harbin 150001, Heilongjiang Province, China.
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125
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Wan T, Li X, Li Y. The role of TRIM family proteins in autophagy, pyroptosis, and diabetes mellitus. Cell Biol Int 2021; 45:913-926. [PMID: 33438267 DOI: 10.1002/cbin.11550] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 01/06/2021] [Accepted: 01/10/2021] [Indexed: 01/22/2023]
Abstract
The ubiquitin-proteasome system, which is one of the systems for cell protein homeostasis and degradation, happens through the ordered and coordinated action of three types of enzymes, E1 ubiquitin-activating enzyme, E2 ubiquitin-carrier enzyme, E3 ubiquitin-protein ligase. Tripartite motif-containing (TRIM) family proteins are the richest subfamily of really interesting new gene E3 ubiquitin ligases, which play a critical role not only in many biological processes, including proliferation, apoptosis, pyroptosis, innate immunity, and autophagy, but also many diseases like cancer, diabetes mellitus, and neurodegenerative disease. Increasing evidence suggests that TRIM family proteins play a vital role in modulating autophagy, pyroptosis, and diabetes mellitus. The aim of this review is to discuss the role of TRIM proteins in the regulation of autophagy, pyroptosis, diabetes mellitus, and diabetic complications.
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Affiliation(s)
- Tingting Wan
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Xiudan Li
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
| | - Yanbo Li
- Department of Endocrinology, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China
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126
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Suryavanshi SV, Kovalchuk I, Kovalchuk O. Cannabinoids as Key Regulators of Inflammasome Signaling: A Current Perspective. Front Immunol 2021; 11:613613. [PMID: 33584697 PMCID: PMC7876066 DOI: 10.3389/fimmu.2020.613613] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 12/10/2020] [Indexed: 12/15/2022] Open
Abstract
Inflammasomes are cytoplasmic inflammatory signaling protein complexes that detect microbial materials, sterile inflammatory insults, and certain host-derived elements. Inflammasomes, once activated, promote caspase-1–mediated maturation and secretion of pro-inflammatory cytokines, interleukin (IL)-1β and IL-18, leading to pyroptosis. Current advances in inflammasome research support their involvement in the development of chronic inflammatory disorders in contrast to their role in regulating innate immunity. Cannabis (marijuana) is a natural product obtained from the Cannabis sativa plant, and pharmacologically active ingredients of the plant are referred to as cannabinoids. Cannabinoids and cannabis extracts have recently emerged as promising novel drugs for chronic medical conditions. Growing evidence indicates the potent anti-inflammatory potential of cannabinoids, especially Δ9-tetrahydrocannabinol (Δ9-THC), cannabidiol (CBD), and synthetic cannabinoids; however, the mechanisms remain unclear. Several attempts have been made to decipher the role of cannabinoids in modulating inflammasome signaling in the etiology of chronic inflammatory diseases. In this review, we discuss recently published evidence on the effect of cannabinoids on inflammasome signaling. We also discuss the contribution of various cannabinoids in human diseases concerning inflammasome regulation. Lastly, in the milieu of coronavirus disease-2019 (COVID-19) pandemic, we confer available evidence linking inflammasome activation to the pathophysiology of COVID-19 suggesting overall, the importance of cannabinoids as possible drugs to target inflammasome activation in or to support the treatment of a variety of human disorders including COVID-19.
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Affiliation(s)
| | - Igor Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, Canada
| | - Olga Kovalchuk
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB, Canada
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127
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Typiak M, Piwkowska A. Antiinflammatory Actions of Klotho: Implications for Therapy of Diabetic Nephropathy. Int J Mol Sci 2021; 22:ijms22020956. [PMID: 33478014 PMCID: PMC7835923 DOI: 10.3390/ijms22020956] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/08/2021] [Accepted: 01/16/2021] [Indexed: 12/11/2022] Open
Abstract
Klotho was initially introduced as an antiaging molecule. Klotho deficiency significantly reduces lifespan, and its overexpression extends it and protects against various pathological phenotypes, especially renal disease. It was shown to regulate phosphate and calcium metabolism, protect against oxidative stress, downregulate apoptosis, and have antiinflammatory and antifibrotic properties. The course of diabetes mellitus and diabetic nephropathy resembles premature cellular senescence and causes the activation of various proinflammatory and profibrotic processes. Klotho was shown to exert many beneficial effects in these disorders. The expression of Klotho protein is downregulated in early stages of inflammation and diabetic nephropathy by proinflammatory factors. Therefore, its therapeutic effects are diminished in this disorder. Significantly lower urine levels of Klotho may serve as an early biomarker of renal involvement in diabetes mellitus. Recombinant Klotho administration and Klotho overexpression may have immunotherapeutic potential for the treatment of both diabetes and diabetic nephropathy. Therefore, the current manuscript aims to characterize immunopathologies occurring in diabetes and diabetic nephropathy, and tries to match them with antiinflammatory actions of Klotho. It also gives reasons for Klotho to be used in diagnostics and immunotherapy of these disorders.
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Affiliation(s)
- Marlena Typiak
- Laboratory of Molecular and Cellular Nephrology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Wita Stwosza 63, 80-308 Gdansk, Poland;
- Correspondence:
| | - Agnieszka Piwkowska
- Laboratory of Molecular and Cellular Nephrology, Mossakowski Medical Research Centre, Polish Academy of Sciences, Wita Stwosza 63, 80-308 Gdansk, Poland;
- Department of Molecular Biotechnology, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
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Kerget B, Kerget F, Kahraman ÇY, Aksakal A, Araz Ö. The relationship between NLRP3 rs10159239 and Vaspin rs2236242 gene variants and obstructive sleep apnea. Ups J Med Sci 2021; 126:7603. [PMID: 34349888 PMCID: PMC8276347 DOI: 10.48101/ujms.v126.7603] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 04/22/2021] [Accepted: 05/04/2021] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND In obstructive sleep apnea (OSA), recurrent upper airway obstruction and apnea/hypopnea episodes result in endothelial dysfunction, which leads to the release of many proinflammatory cytokines and reactive oxygen species (ROS). ROS induces NLRP3, a protein involved in the synthesis of interleukin (IL)-1 and IL-18; vaspin is a serine protease inhibitor that has an important role in suppressing the activation of NLRP3 inflammasome. In this study, we aimed to investigate the effect of NLRP3 rs10159239 (rs9239) and vaspin rs2236242 (rs6242) single nucleotide polymorphisms (SNPs) on OSA development. METHODS This study included 220 individuals who underwent polysomnography (118 patients with OSA and 102 healthy controls). NLRP3 rs9239 and vaspin rs6242 mutation frequencies were analyzed. RESULTS The NLRP3 rs9239 SNP genotype analysis revealed no statistically significant differences between the OSA and control groups. In the vaspin gene analysis, the rs6242 AA genotype was significantly more frequent in the OSA group compared with the control group, while the AT genotype was more frequent in controls (P = 0.004, P = 0.02). Comparison of rs6242 allele levels showed that the A allele was significantly more frequent in OSA patients than in controls (P = 0.03). The AA genotype was significantly more frequent in patients with severe OSA than in patients with mild or moderate OSA and the control group (P = 0.001 for all). Serum vaspin levels were significantly lower in carriers of the AA genotype than those with AT and TT genotypes (P = 0.001). CONCLUSION The vaspin rs6242 SNP AA genotype increased susceptibility to OSA, while the AT genotype appeared to be protective. The lower plasma vaspin levels in OSA compared with the control group and in patients with the AA genotype suggest that vaspin may be a protective biomarker for OSA.
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Affiliation(s)
- Buğra Kerget
- Department of Pulmonary Diseases, Ataturk University School of Medicine, Erzurum, Turkey
- CONTACT Buğra Kerget
| | - Ferhan Kerget
- Department of Infection Diseases and Clinical Microbiology, Health Sciences University Erzurum Regional Education and Research Hospital, Erzurum, Turkey
| | - Çiğdem Yüce Kahraman
- Department of Medical Genetics, Ataturk University School of Medicine, Erzurum, Turkey
| | - Alperen Aksakal
- Department of Pulmonary Diseases, Health Sciences University Erzurum Regional Education and Research Hospital, Erzurum, Turkey
| | - Ömer Araz
- Department of Pulmonary Diseases, Ataturk University School of Medicine, Erzurum, Turkey
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Abstract
One of the characteristics of the failing human heart is a significant alteration in its energy metabolism. Recently, a ketone body, β-hydroxybutyrate (β-OHB) has been implicated in the failing heart’s energy metabolism as an alternative “fuel source.” Utilization of β-OHB in the failing heart increases, and this serves as a “fuel switch” that has been demonstrated to become an adaptive response to stress during the heart failure progression in both diabetic and non-diabetic patients. In addition to serving as an alternative “fuel,” β-OHB represents a signaling molecule that acts as an endogenous histone deacetylase (HDAC) inhibitor. It can increase histone acetylation or lysine acetylation of other signaling molecules. β-OHB has been shown to decrease the production of reactive oxygen species and activate autophagy. Moreover, β-OHB works as an NLR family pyrin domain-containing protein 3 (Nlrp3) inflammasome inhibitor and reduces Nlrp3-mediated inflammatory responses. It has also been reported that β-OHB plays a role in transcriptional or post-translational regulations of various genes’ expression. Increasing β-OHB levels prior to ischemia/reperfusion injury results in a reduced infarct size in rodents, likely due to the signaling function of β-OHB in addition to its role in providing energy. Sodium-glucose co-transporter-2 (SGLT2) inhibitors have been shown to exert strong beneficial effects on the cardiovascular system. They are also capable of increasing the production of β-OHB, which may partially explain their clinical efficacy. Despite all of the beneficial effects of β-OHB, some studies have shown detrimental effects of long-term exposure to β-OHB. Furthermore, not all means of increasing β-OHB levels in the heart are equally effective in treating heart failure. The best timing and therapeutic strategies for the delivery of β-OHB to treat heart disease are unknown and yet to be determined. In this review, we focus on the crucial role of ketone bodies, particularly β-OHB, as both an energy source and a signaling molecule in the stressed heart and the overall therapeutic potential of this compound for cardiovascular diseases.
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Affiliation(s)
- Yuxin Chu
- Department of Medicine, Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, AL, United States.,The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, the State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Cheng Zhang
- The Key Laboratory of Cardiovascular Remodeling and Function Research, Chinese Ministry of Education, Chinese National Health Commission and Chinese Academy of Medical Sciences, the State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Min Xie
- Department of Medicine, Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, AL, United States
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Agrawal PK, Agrawal C, Blunden G. Quercetin: Antiviral Significance and Possible COVID-19 Integrative Considerations. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20976293] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Quercetin, a naturally occurring dietary flavonoid, is well known to ameliorate chronic diseases and aging processes in humans, and its antiviral properties have been investigated in numerous studies. In silico and in vitro studies demonstrated that quercetin can interfere with various stages of the coronavirus entry and replication cycle such as PLpro, 3CLpro, and NTPase/helicase. Due to its pleiotropic activities and lack of systemic toxicity, quercetin and its derivatives may represent target compounds to be tested in future clinical trials to enrich the drug arsenal against coronavirus infections. There is evidence that quercetin in combination with, for example, vitamins C and D, may exert a synergistic antiviral action that may provide either an alternative or additional therapeutic/preventive option due to overlapping antiviral and immunomodulatory properties. This review summarizes the antiviral significance of quercetin and proposes a possible strategy for the effective utilization of natural polyphenols in our daily diet for the prevention of viral infection.
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Affiliation(s)
| | | | - Gerald Blunden
- School of Pharmacy and Biomedical Science, University of Portsmouth, Portsmouth, UK
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131
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Ma J, Zheng Y, Tang W, Yan W, Nie H, Fang J, Liu G. Dietary polyphenols in lipid metabolism: A role of gut microbiome. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2020; 6:404-409. [PMID: 33364456 PMCID: PMC7750795 DOI: 10.1016/j.aninu.2020.08.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 08/19/2020] [Accepted: 08/23/2020] [Indexed: 12/19/2022]
Abstract
Polyphenols are a class of non-essential phytonutrients, which are abundant in fruits and vegetables. Dietary polyphenols or foods rich in polyphenols are widely recommended for metabolic health. Indeed, polyphenols (i.e., catechins, resveratrol, and curcumin) are increasingly recognized as a regulator of lipid metabolism in host. The mechanisms, at least in part, may be highly associated with gut microbiome. This review mainly discussed the beneficial effects of dietary polyphenols on lipid metabolism. The potential mechanisms of gut microbiome are focused on the effect of dietary polyphenols on gut microbiota compositions and how gut microbiota affect polyphenol metabolism. Together, dietary polyphenols may be a useful nutritional strategy for manipulation of lipid metabolism or obesity care.
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Affiliation(s)
- Jie Ma
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
| | - Yongmin Zheng
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
| | - Wenjie Tang
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
- Key Laboratory of Agro-Ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan, China
- Sichuan Academy of Animal Sciences, Animal Breeding and Genetics Key Laboratory of Sichuan Province, Chengdu, China
| | - Wenxin Yan
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
| | - Houfu Nie
- Agricultural and Rural Office of Chunkou Town, Liuyang, Hunan, China
| | - Jun Fang
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
| | - Gang Liu
- College of Bioscience and Biotechnology, College of Animal Science and Technology, Hunan Agricultural University, Hunan Provincial Engineering Research Center of Applied Microbial Resources Development for Livestock and Poultry, Changsha, Hunan, China
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132
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Al-Badrani M, Saha P, Mondal A, Seth RK, Sarkar S, Kimono D, Bose D, Porter DE, Scott GI, Brooks B, Raychoudhury S, Nagarkatti M, Nagarkatti P, Chatterjee S. Early microcystin-LR exposure-linked inflammasome activation in mice causes development of fatty liver disease and insulin resistance. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2020; 80:103457. [PMID: 32687983 PMCID: PMC7609636 DOI: 10.1016/j.etap.2020.103457] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 06/19/2020] [Accepted: 07/14/2020] [Indexed: 05/06/2023]
Abstract
Evidence from pediatric studies show that infants and children are at risk for early exposure to microcystin. The present report tests the hypothesis that early life exposure to microcystin (MC), a principal component of harmful algal blooms followed by a juvenile exposure to high-fat diet feeding potentiate the development of nonalcoholic fatty liver disease phenotype in adulthood. Results showed classical symptoms of early NAFLD linked inflammation. Cytokines and chemokines such as CD68, IL-1β, MCP-1, and TNF-α, as well as α-SMA were increased in the groups that were exposed to MC-LR with the high-fat diet compared to the vehicle group. Also, mechanistically, NLRP3 KO mice showed a significant decrease in the inflammation and NAFLD phenotype and resisted the metabolic changes such as insulin resistance and glucose metabolism in the liver. The data suggested that MC-LR exposure and subsequent NLRP3 inflammasome activation in childhood could impact liver health in juveniles.
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Affiliation(s)
- Muayad Al-Badrani
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA; Department of Family and Community Medicine, College of Medicine, Taibah University, Madinah, Saudi Arabia
| | - Punnag Saha
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Ayan Mondal
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Ratanesh K Seth
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Sutapa Sarkar
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Diana Kimono
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Dipro Bose
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
| | - Dwayne E Porter
- NIEHS Center for Oceans and Human Health on Climate Change Interactions, Department of Environmental Health Sciences, University of South Carolina, USA
| | - Geoff I Scott
- NIEHS Center for Oceans and Human Health on Climate Change Interactions, Department of Environmental Health Sciences, University of South Carolina, USA
| | - Bryan Brooks
- Department of Environmental Science, Baylor University, Waco, TX 76798-7266, USA
| | - Samir Raychoudhury
- Department of Biology, Chemistry, and Environmental Health Science, Benedict College, Columbia, SC, 29204, USA
| | - Mitzi Nagarkatti
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC, USA
| | - Prakash Nagarkatti
- Department of Pathology, Microbiology and Immunology, University of South Carolina School of Medicine, Columbia, SC, USA
| | - Saurabh Chatterjee
- Environmental Health and Disease Laboratory, Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA; NIEHS Center for Oceans and Human Health on Climate Change Interactions, Department of Environmental Health Sciences, University of South Carolina, USA.
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133
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Yu L, Deng Z, Liu L, Zhang W, Wang C. Plant-Derived Nanovesicles: A Novel Form of Nanomedicine. Front Bioeng Biotechnol 2020; 8:584391. [PMID: 33154966 PMCID: PMC7591720 DOI: 10.3389/fbioe.2020.584391] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/23/2020] [Indexed: 12/12/2022] Open
Abstract
The nanovesicles extracted from the plant and herbal decoctions are identified as a new class of nanomedicine. They are involved in interspecies chemical communication across the plant and animal kingdoms and display a therapeutic potential against a variety of diseases. Herein, we review the recent progress made in the medical applications of plant-derived nanovesicles in the aspects of anti-inflammation, anti-cancer, tissue regeneration, and modulating commensal microbiota. We further summarize the cellular and molecular mechanisms underlying the physiological functions of plant-derived nanovesicles. Overall, plant-derived nanovesicles provide an alternative to conventional synthetic drugs and present exciting opportunities for future research on disease therapy.
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Affiliation(s)
- Lanlan Yu
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zhun Deng
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lei Liu
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, United States
| | - Wenbo Zhang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Chenxuan Wang
- State Key Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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134
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Park JS, Bae SH. Interplay between Saturated Free Fatty Acids and mmLDL Induces Inflammation in LPS-stimulated Macrophages. Korean Circ J 2020; 51:81-82. [PMID: 33150754 PMCID: PMC7779815 DOI: 10.4070/kcj.2020.0386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 09/09/2020] [Indexed: 12/23/2022] Open
Affiliation(s)
- Jeong Su Park
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Soo Han Bae
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea.,Brain Korea 21 PLUS Project for Medical Science, Yonsei University, Seoul, Korea.
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135
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Hussain MT, Iqbal AJ, Norling LV. The Role and Impact of Extracellular Vesicles in the Modulation and Delivery of Cytokines during Autoimmunity. Int J Mol Sci 2020; 21:E7096. [PMID: 32993051 PMCID: PMC7584003 DOI: 10.3390/ijms21197096] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/24/2020] [Accepted: 09/24/2020] [Indexed: 02/06/2023] Open
Abstract
Cytokines and extracellular vesicles are two methods of initiating and maintaining cellular crosstalk. The role of cytokines in the initiation, progression, and resolution of inflammation has been well studied and more so, their pathophysiological role in the development of autoimmune disease. In recent years, the impact of extracellular vesicles on the progression of autoimmunity has become more widely appreciated. In this review, we discuss the mechanisms that allow extracellular vesicles of various sources to modulate cytokine production, and release, and how extracellular vesicles might be involved in the direct delivery and modulation of cytokine levels. Moreover, we explore what challenges are faced by current therapies and the promising future for extracellular vesicles as therapeutic agents in conditions driven by immune dysregulation.
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Affiliation(s)
- Mohammed Tayab Hussain
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London E1 4NS, UK;
| | - Asif Jilani Iqbal
- The Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, University of Birmingham, Birmingham B15 2TT, UK;
| | - Lucy Victoria Norling
- William Harvey Research Institute, Barts and the London School of Medicine, Queen Mary University of London, London E1 4NS, UK;
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London E1 4NS, UK
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136
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Sun X, Pang H, Li J, Luo S, Huang G, Li X, Xie Z, Zhou Z. The NLRP3 Inflammasome and Its Role in T1DM. Front Immunol 2020; 11:1595. [PMID: 32973739 PMCID: PMC7481449 DOI: 10.3389/fimmu.2020.01595] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 06/16/2020] [Indexed: 12/15/2022] Open
Abstract
The NLRP3 (nucleotide-binding and oligomerization domain-like receptor family pyrin domain-containing 3) inflammasome is a protein complex expressed in cells. It detects danger signals and induces the production of active caspase-1 and the maturation and release of IL (interleukin)-33, IL-18, IL-1β and other cytokines. T1DM (type 1 diabetes mellitus) is defined as a chronic autoimmune disorder characterized by the autoreactive T cell-mediated elimination of insulin-positive pancreatic beta-cells. Although the exact underlying mechanisms are obscure, researchers have proposed that both environmental and genetic factors are involved in the pathogenesis of T1DM. Furthermore, immune responses, including innate and adaptive immunity, play an important role in this process. Recently, the NLRP3 inflammasome, a critical component of innate immunity, was reported to be associated with T1DM. Here, we review the assembly and function of the NLRP3 inflammasome. In addition, the activation and regulatory mechanisms that enhance or attenuate NLRP3 inflammasome activation are discussed. Finally, we focus on the relationship between the NLRP3 inflammasome and T1DM, as well as its potential value for clinical use.
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Affiliation(s)
- Xiaoxiao Sun
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Haipeng Pang
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Jiaqi Li
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Shuoming Luo
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Gan Huang
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Xia Li
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Zhiguo Xie
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
| | - Zhiguang Zhou
- Department of Metabolism and Endocrinology, The Second Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, National Clinical Research Center for Metabolic Diseases, Changsha, China
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137
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Cheng YC, Chu LW, Chen JY, Hsieh SL, Chang YC, Dai ZK, Wu BN. Loganin Attenuates High Glucose-Induced Schwann Cells Pyroptosis by Inhibiting ROS Generation and NLRP3 Inflammasome Activation. Cells 2020; 9:cells9091948. [PMID: 32842536 PMCID: PMC7564733 DOI: 10.3390/cells9091948] [Citation(s) in RCA: 90] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/18/2020] [Accepted: 08/21/2020] [Indexed: 12/13/2022] Open
Abstract
Diabetic peripheral neuropathy (DPN) is caused by hyperglycemia, which induces oxidative stress and inflammatory responses that damage nerve tissue. Excessive generation of reactive oxygen species (ROS) and NOD-like receptor protein 3 (NLRP3) inflammasome activation trigger the inflammation and pyroptosis in diabetes. Schwann cell dysfunction further promotes DPN progression. Loganin has been shown to have antioxidant and anti-inflammatory neuroprotective activities. This study evaluated the neuroprotective effect of loganin on high-glucose (25 mM)-induced rat Schwann cell line RSC96 injury, a recognized in vitro cell model of DPN. RSC96 cells were pretreated with loganin (0.1, 1, 10, 25, 50 μM) before exposure to high glucose. Loganin’s effects were examined by CCK-8 assay, ROS assay, cell death assay, immunofluorescence staining, quantitative RT–PCR and western blot. High-glucose-treated RSC96 cells sustained cell viability loss, ROS generation, NF-κB nuclear translocation, P2 × 7 purinergic receptor and TXNIP (thioredoxin-interacting protein) expression, NLRP3 inflammasome (NLRP3, ASC, caspase-1) activation, IL-1β and IL-18 maturation and gasdermin D cleavage. Those effects were reduced by loganin pretreatment. In conclusion, we found that loganin’s antioxidant effects prevent RSC96 Schwann cell pyroptosis by inhibiting ROS generation and suppressing NLRP3 inflammasome activation.
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Affiliation(s)
- Yu-Chi Cheng
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
| | - Li-Wen Chu
- Department of Nursing, and Department of Cosmetic Application and Management, Yuh-Ing Junior College of Health Care and Management, Kaohsiung 80776, Taiwan;
| | - Jun-Yih Chen
- Division of Neurosurgery, Fooyin University Hospital, Pingtung 92847, Taiwan;
- School of Nursing, Fooyin University, Kaohsiung 83102, Taiwan
| | - Su-Ling Hsieh
- Department of Pharmacy, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan;
| | - Yu-Chin Chang
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
| | - Zen-Kong Dai
- Department of Pediatrics, School of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Pediatrics, Division of Pediatric Cardiology and Pulmonology, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (Z.-K.D.); (B.-N.W.); Tel.: +886-7-3121101-6507 (Z.-K.D.); +886-7-3121101-2139 (B.-N.W.); Fax: +886-7-3208316 (Z.-K.D.); +886-7-3234686 (B.-N.W.)
| | - Bin-Nan Wu
- Department of Pharmacology, Graduate Institute of Medicine, College of Medicine, Drug Development and Value Creation Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (Y.-C.C.); (Y.-C.C.)
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
- Correspondence: (Z.-K.D.); (B.-N.W.); Tel.: +886-7-3121101-6507 (Z.-K.D.); +886-7-3121101-2139 (B.-N.W.); Fax: +886-7-3208316 (Z.-K.D.); +886-7-3234686 (B.-N.W.)
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138
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Immunomodulatory Activities of Selected Essential Oils. Biomolecules 2020; 10:biom10081139. [PMID: 32756359 PMCID: PMC7464830 DOI: 10.3390/biom10081139] [Citation(s) in RCA: 67] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 07/14/2020] [Accepted: 07/31/2020] [Indexed: 12/14/2022] Open
Abstract
Recently, the application of herbal medicine for the prevention and treatment of diseases has gained increasing attention. Essential oils (EOs) are generally known to exert various pharmacological effects, such as antiallergic, anticancer, anti-inflammatory, and immunomodulatory effects. Current literature involving in vitro and in vivo studies indicates the potential of various herbal essential oils as suitable immunomodulators for the alternative treatment of infectious or immune diseases. This review highlights the cellular effects induced by EOs, as well as the molecular impacts of EOs on cytokines, immunoglobulins, or regulatory pathways. The results reviewed in this article revealed a significant reduction in relevant proinflammatory cytokines, as well as induction of anti-inflammatory markers. Remarkably, very little clinical study data involving the immunomodulatory effects of EOs are available. Furthermore, several studies led to contradictory results, emphasizing the need for a multiapproach system to better characterize EOs. While immunomodulatory effects were reported, the toxic potential of EOs must be clearly considered in order to secure future applications.
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139
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Jiang M, Wang H, Liu Z, Lin L, Wang L, Xie M, Li D, Zhang J, Zhang R. Endoplasmic reticulum stress-dependent activation of iNOS/NO-NF-κB signaling and NLRP3 inflammasome contributes to endothelial inflammation and apoptosis associated with microgravity. FASEB J 2020; 34:10835-10849. [PMID: 32592441 DOI: 10.1096/fj.202000734r] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/25/2020] [Accepted: 06/04/2020] [Indexed: 12/15/2022]
Abstract
Exposure to microgravity results in vascular remodeling and cardiovascular dysfunction. To elucidate the mechanism involved in this condition, we investigated whether endoplasmic reticulum (ER) stress during simulated microgravity induced endothelial inflammation and apoptosis in human umbilical vein endothelial cells (HUVECs). Microgravity was simulated by clinorotation in the current study. We examined markers of ER stress, inducible nitric oxide (NO) synthase (iNOS)/NO content, proinflammatory cytokine production, nuclear factor kappa B (NF-κB)/IκB signaling, NLRP3 inflammasome, and detected apoptosis in HUVECs. We found that the levels of C/EBP homologous protein and glucose-regulated protein 78, pro-inflammatory cytokines (IL-6, TNF-α, IL-8, and IL-1β), and iNOS/NO content were upregulated by clinorotation. ER stress inhibition with tauroursodeoxycholic acid or 4-phenylbutyric acid and iNOS inhibition with 1400 W dramatically suppressed activation of the NF-κB/IκB pathway and the NLRP3 inflammasome, and decreased the production of pro-inflammatory cytokines. The increase of apoptosis in HUVECs during clinorotation was significantly suppressed by inhibiting ER stress, iNOS activity, NF-κB/IκB, and the NLRP3 inflammasome signaling pathway. Therefore, simulated microgravity causes ER stress in HUVECs, and subsequently activates iNOS/NO-NF-κB/IκB and the NLRP3 inflammasome signaling pathway, which have key roles in the induction of endothelial inflammation and apoptosis.
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Affiliation(s)
- Min Jiang
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Haiming Wang
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Zifan Liu
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Lejian Lin
- Department of Cardiology, The Eighth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lin Wang
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Manjiang Xie
- Department of Aerospace Physiology & Key Laboratory of Aerospace Medicine of Ministry of Education, Fourth Military Medical University, Xi'an, China
| | - Danyang Li
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Jibin Zhang
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
| | - Ran Zhang
- Department of Cardiology, The First Medical Center of Chinese PLA General Hospital & Medical School of Chinese PLA, Beijing, China
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140
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Evans JM, Luby R, Lukaczer D, Rountree R, Stone PM, Guilliams TG, Yanuck S, Messier H, Ramsdell K, Hanaway PJ. The Functional Medicine Approach to COVID-19: Virus-Specific Nutraceutical and Botanical Agents. Integr Med (Encinitas) 2020; 19:34-42. [PMID: 33041706 PMCID: PMC7482149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As the novel infection with SARS-CoV-2 emerges, objective assessment of the scientific plausibility of nutraceutical and botanical interventions for prevention and treatment is important. We evaluate twelve such interventions with mechanisms of action that modulate the immune system, impair viral replication, and/or have been demonstrated to reduce severity of illness. These are examples of interventions that, mechanistically, can help protect patients in the presence of the prevalent and infectious SARS-CoV-2 virus. While there are limited studies to validate these agents to specifically prevent COVID-19, they have been chosen based upon their level of evidence for effectiveness and safety profiles, in the context of other viral infections. These agents are to be used in a patient-specific manner in concert with lifestyle interventions known to strengthen immune response (see related article in this issue of IMCJ).
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Affiliation(s)
- J M Evans
- The Center for Functional Medicine, Stamford CT
| | - R Luby
- The Institute for Functional Medicine, Federal Way, WA
| | - D Lukaczer
- The Institute for Functional Medicine, Federal Way, WA
| | | | | | | | - S Yanuck
- The Yanuck Center for Life and Health, Chapel Hill, NC
| | - H Messier
- Medical Intelligence Learning Lab, Inc (MILLI), San Jose, CA
| | - K Ramsdell
- The Institute for Functional Medicine, Federal Way, WA
| | - P J Hanaway
- The Institute for Functional Medicine COVID-19 Task Force, Federal Way, WA
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141
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Sleeve Gastroplasty Combined with the NLRP3 Inflammasome Inhibitor CY-09 Reduces Body Weight, Improves Insulin Resistance and Alleviates Hepatic Steatosis in Mouse Model. Obes Surg 2020; 30:3435-3443. [DOI: 10.1007/s11695-020-04571-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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142
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Hou X, Xu G, Wang Z, Zhan X, Li H, Li R, Shi W, Wang C, Chen Y, Ai Y, Xiao X, Bai Z. Glaucocalyxin A alleviates LPS-mediated septic shock and inflammation via inhibiting NLRP3 inflammasome activation. Int Immunopharmacol 2020; 81:106271. [DOI: 10.1016/j.intimp.2020.106271] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 01/20/2020] [Accepted: 01/29/2020] [Indexed: 12/11/2022]
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143
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Wang D, Wang H, Gao H, Zhang H, Zhang H, Wang Q, Sun Z. P2X7 receptor mediates NLRP3 inflammasome activation in depression and diabetes. Cell Biosci 2020; 10:28. [PMID: 32166013 PMCID: PMC7059335 DOI: 10.1186/s13578-020-00388-1] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/21/2020] [Indexed: 12/12/2022] Open
Abstract
The increasing prevalence of depression and diabetes mellitus has become a major public health problem worldwide. Studies have shown that people with diabetes are at a high risk of being diagnosed with depression, and diabetes complicates depression treatment by promoting the deterioration of glycemic control, reducing self-care ability and quality of life, and causing severe functional disability and early mortality. Moreover, health deterioration dramatically increases the financial cost of social and health care system. Thus, how to treat depression, diabetes, and diabetes complicated by depression has become one of the world’s urgent concerns. The activation of nod-like receptor family pyrin domain containing 3 (NLRP3) is closely related to mental illness. This finding provides a new perspective for studying depression. NLRP3 plays an important role in the development of diabetes. In this review, we elaborate the definition and epidemiology of depression, diabetes, and diabetic depression and introduce the functional characteristics of an NLRP3 inflammasome and upstream P2X7 receptor. Moreover, related research on NLRP3 inflammasomes and P2X7 receptors is summarized and used as a reference for confirming that the excessive activation of P2X7- NLRP3 leads to the increased release of inflammatory cytokines, such as IL-1β, in depression and diabetes. We provide insights into the P2X7–NLRP3–IL-1β pathway as an important pathological mechanism and novel therapeutic target in diabetes and depression. Given that the P2X7–NLRP3–IL-1β pathway may play an important role in diabetes confounded by comorbid depression, the possibility of intervention with baicalin is proposed.
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Affiliation(s)
- Danwen Wang
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
| | - Hui Wang
- Neonatal Intensive Care Unit, Peixian People's Hospital, Hanyuan Avenue, Xuzhou, 221600 Jiangsu China
| | - Haixia Gao
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
| | - Heng Zhang
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
| | - Hua Zhang
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
| | - Qiuling Wang
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
| | - Zhiling Sun
- 1School of Nursing, Nanjing University of Chinese Medicine, 138 Xianlin Road, Qixia District, Nanjing, 210023 Jiangsu China
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144
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Qi SS, Zheng HX, Jiang H, Yuan LP, Dong LC. Protective Effects of Chromium Picolinate Against Diabetic-Induced Renal Dysfunction and Renal Fibrosis in Streptozotocin-Induced Diabetic Rats. Biomolecules 2020; 10:biom10030398. [PMID: 32143429 PMCID: PMC7175215 DOI: 10.3390/biom10030398] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 01/27/2020] [Accepted: 01/29/2020] [Indexed: 12/14/2022] Open
Abstract
Diabetic nephropathy (DN) is one of the most important complications of diabetes, and the leading cause of end-stage renal disease (ESRD). While Chromium picolinate (CrPic) supplementation has been found to be effective in treating diabetes, its effects on diabetic-induced nephropathy have not been studied. Therefore, in this study, CrPic (1 mg kg−1 d−1) was administered to a DN rat model by oral gavage for eight weeks to investigate its effects. The results show that CrPic supplementation caused a decrease in levels of blood glucose, serum insulin, blood urea nitrogen (BUN), serum creatinine, and urinary albumin in DN rats. It also reversed renal pathological changes, including renal glomerular sclerosis and interstitial fibrosis. In addition, the oxidative defense system in the kidneys of DN rats was found to be improved; the biological activities of superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPX) increased; and the content of malondialdehyde (MDA) lowered. Immunohistochemical results reveal that the expression levels of renal transforming growth factor-β1 (TGF-β1), Smad 2, and Smad 3 decreased significantly in the kidneys of rats in the CrPic-treated group. CrPic administration was thus found to ameliorate diabetic nephropathy in SD rats via an antioxidative stress mechanism, as well the ability to inhibit TGF-β1/Smad2/3 expression. This study suggests that CrPic could be a potential renal-protective nutrient against diabetic nephropathy.
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Affiliation(s)
- Shan Shan Qi
- Vitamin D Research Institute, College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Hong Xing Zheng
- College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Hai Jiang
- Vitamin D Research Institute, College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Li Ping Yuan
- College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
| | - Le Chen Dong
- College of Biological Science and Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
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