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Yao Y, Zuo X, Shao F, Yu K, Liang Q. Jaceosidin attenuates the progression of hepatic fibrosis by inhibiting the VGLL3/HMGB1/TLR4 signaling pathway. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 128:155502. [PMID: 38489889 DOI: 10.1016/j.phymed.2024.155502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 02/19/2024] [Accepted: 02/27/2024] [Indexed: 03/17/2024]
Abstract
BACKGROUND Jaceosidin (JA) is a natural flavone extracted from Artemisia that is used as a food and traditional medicinal herb. It has been reported to possess numerous biological activities. However, the regulatory mechanisms underlying amelioration of hepatic fibrosis remain unclear. HYPOTHESIS/PURPOSE We hypothesized that jaceosidin acid (JA) modulates hepatic fibrosis and inflammation. METHODS Thioacetamide (TAA) was used to establish an HF mouse model. In vitro, mouse primary hepatocytes and HSC-T6 cells were induced by TGF-β, whereas mouse peritoneal macrophages received a treatment lipopolysaccharide (LPS)/ATP. RESULTS JA decreased serum transaminase levels and improved hepatic histological pathology in TAA-treated mice stimulated by TAA. Moreover, the expression of pro-fibrogenic biomarkers associated with the activation of liver stellate cells was downregulated by JA. Likewise, JA down-regulated the expression of vestigial-like family member 3 (VGLL3), high mobility group protein B1 (HMGB1), toll-like receptors 4 (TLR4), and nucleotide-binding domain-(NOD-) like receptor protein 3 (NLRP3), thereby inhibiting the inflammatory response and inhibiting the release of mature-IL-1β in TAA-stimulated mice. Additionally, JA suppressed HMGB1 release and NLRP3/ASC inflammasome activation in LPS/ATP-stimulated murine peritoneal macrophages. JA decreases the expression of pro-fibrogenic biomarkers related to liver stellate cell activation and inhibits inflammasome activation in mouse primary hepatocytes. It also down-regulated α-SMA and VGLL3 expressions and also suppressed inflammasome activation in HSC-T6 cells. VGLL3 and α-SMA expression levels were decreased in TGF-β-stimulated HSC-T6 cells following Vgll3 knockdown. In addition, the expression levels of NLRP3 and cleaved-caspase-1 were decreased in Vgll3-silenced HSC-T6 cells. JA enhanced the inhibitory effects on Vgll3-silenced HSC-T6 cells. Finally, Vgll3 overexpression in HSC-T6 cells affected the expression levels of α-SMA, NLRP3, and cleaved-caspase-1. CONCLUSION JA effectively modulates hepatic fibrosis by suppressing fibrogenesis and inflammation via the VGLL3/HMGB1/TLR4 axis. Therefore, JA may be a candidate therapeutic agent for the management of hepatic fibrosis. Understanding the mechanism of action of JA is a novel approach to hepatic fibrosis therapy.
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Affiliation(s)
- Youli Yao
- College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao, Shandong Province 266000, China
| | - Xiaoling Zuo
- College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao, Shandong Province 266000, China
| | - Feng Shao
- Qingdao Jinmotang Biotechnology Co., Ltd, Qingdao, Shandong Province 266000, China
| | - Kexin Yu
- College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao, Shandong Province 266000, China
| | - Quanquan Liang
- College of Electronic and Information Engineering, Shandong University of Science and Technology, Qingdao, Shandong Province 266000, China.
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Wang X, Ye S, Tong L, Gao J, Zhang Y, Qin Y. Inhibition of ROS/caspase-3/GSDME-mediated pyroptosis alleviates high glucose-induced injury in AML-12 cells. Toxicol In Vitro 2024; 98:105840. [PMID: 38723977 DOI: 10.1016/j.tiv.2024.105840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 05/04/2024] [Accepted: 05/06/2024] [Indexed: 05/14/2024]
Abstract
Diabetic liver injury (DLI) is a chronic complication of the liver caused by diabetes, and its has become one of the main causes of nonalcoholic fatty liver disease (NAFLD). The gasdermin E (GSDME)-dependent pyroptosis signaling pathway is involved in various physiological and pathological processes; however, its role and mechanism in DLI are still unknown. This study was performed to investigate the role of GSDME-mediated pyroptosis in AML-12 cell injury induced by high glucose and to evaluate the therapeutic potential of caspase-3 inhibition for DLI. The results showed that high glucose activated apoptosis by regulating the apoptotic protein levels including Bax, Bcl-2, and enhanced cleavage of caspase-3 and PARP. Notably, some of the hepatocytes treated with high glucose became swollen, accompanied by GSDME-N generation, indicating that pyroptosis was further induced by active caspase-3. Moreover, the effects of high glucose on AML-12 cells could be partly reversed by a reactive oxygen scavenger (NAC) and caspase-3 specific inhibitor (Z-DEVD-FMK), which suggests high glucose induced GSDME-dependent pyroptosis in AML-12 cells through increasing ROS levels and activating caspase-3. In conclusion, our results show that high glucose can induce pyroptosis in AML-12 cells, at least in part, through the ROS/caspase-3/GSDME pathway,and inhibition of caspase-3 can ameliorate high glucose-induced hepatocyte injury, providing an important basis for clarifying the pathogenesis and treatment of DLI.
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Affiliation(s)
- Xinrui Wang
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Shengying Ye
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Linge Tong
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Jingwen Gao
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Yixin Zhang
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China
| | - Yan Qin
- Department of Physiology and Pathophysiology, School of Basic Medicine, Dali University, Dali, Yunnan 671000, China.
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Grigorov I, Pejić S, Todorović A, Drakulić D, Veljković F, Vukajlović JM, Bobić K, Soldatović I, Đurašević S, Jasnić N, Stanković S, Glumac S, Mihailović-Vučinić V, Milenković B. Serum High-Mobility Group Box 1 and Heme Oxygenase-1 as Biomarkers in COVID-19 Patients at Hospital Admission. Int J Mol Sci 2023; 24:13164. [PMID: 37685970 PMCID: PMC10488018 DOI: 10.3390/ijms241713164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 08/06/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
The careful monitoring of patients with mild/moderate COVID-19 is of particular importance because of the rapid progression of complications associated with COVID-19. For prognostic reasons and for the economic management of health care resources, additional biomarkers need to be identified, and their monitoring can conceivably be performed in the early stages of the disease. In this retrospective cross-sectional study, we found that serum concentrations of high-mobility group box 1 (HMGB1) and heme oxygenase-1 (HO-1), at the time of hospital admission, could be useful biomarkers for COVID-19 management. The study included 160 randomly selected recovered patients with mild to moderate COVID-19 on admission. Compared with healthy controls, serum HMGB1 and HO-1 levels increased by 487.6 pg/mL versus 43.1 pg/mL and 1497.7 pg/mL versus 756.1 pg/mL, respectively. Serum HO-1 correlated significantly with serum HMGB1, oxidative stress parameters (malondialdehyde (MDA), the phosphatidylcholine/lysophosphatidylcholine ratio (PC/LPC), the ratio of reduced and oxidative glutathione (GSH/GSSG)), and anti-inflammatory acute phase proteins (ferritin, haptoglobin). Increased heme catabolism/hemolysis were not detected. We hypothesize that the increase in HO-1 in the early phase of COVID-19 disease is likely to have a survival benefit by providing protection against oxidative stress and inflammation, whereas the level of HMGB1 increase reflects the activity of the innate immune system and represents levels within which the disease can be kept under control.
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Affiliation(s)
- Ilijana Grigorov
- Institute for Biological Research “Siniša Stanković”—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia
| | - Snežana Pejić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Ana Todorović
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Dunja Drakulić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Filip Veljković
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Jadranka Miletić Vukajlović
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Katarina Bobić
- Vinča Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia; (S.P.); (A.T.); (D.D.); (F.V.); (J.M.V.); (K.B.)
| | - Ivan Soldatović
- Institute of Medical Statistics and Informatic, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia;
| | - Siniša Đurašević
- Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (S.Đ.); (N.J.)
| | - Nebojša Jasnić
- Faculty of Biology, University of Belgrade, 11000 Belgrade, Serbia; (S.Đ.); (N.J.)
| | - Sanja Stanković
- Center for Medical Biochemistry, University Clinical Center of Serbia, 11000 Belgrade, Serbia;
| | - Sofija Glumac
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
| | - Violeta Mihailović-Vučinić
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
- Clinic for Pulmonary Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Branislava Milenković
- Institute of Pathology, School of Medicine, University of Belgrade, 11000 Belgrade, Serbia; (S.G.); (V.M.-V.); (B.M.)
- Clinic for Pulmonary Diseases, University Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Markelic M, Stancic A, Saksida T, Grigorov I, Micanovic D, Velickovic K, Martinovic V, Savic N, Gudelj A, Otasevic V. Defining the ferroptotic phenotype of beta cells in type 1 diabetes and its inhibition as a potential antidiabetic strategy. Front Endocrinol (Lausanne) 2023; 14:1227498. [PMID: 37600723 PMCID: PMC10437050 DOI: 10.3389/fendo.2023.1227498] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 07/19/2023] [Indexed: 08/22/2023] Open
Abstract
Introduction Recently, the involvement of ferroptotic cell death in the reduction of β-cell mass in diabetes has been demonstrated. To elucidate the mechanisms of β-cell ferroptosis and potential antidiabetic effects of the ferroptosis inhibitor ferrostatin-1 (Fer-1) in vivo, a mouse model of type 1 diabetes (T1D) was used. Methods Animals were divided into three groups: control (vehicle-treated), diabetic (streptozotocin-treated, 40 mg/kg, from days 1-5), and diabetic treated with Fer-1 (1 mg/kg, from days 1-21). On day 22, glycemia and insulinemia were measured and pancreases were isolated for microscopic analyses. Results Diabetes disturbed general parameters of β-cell mass (islet size, β-cell abundance and distribution) and health (insulin and PDX-1 expression), increased lipid peroxidation in islet cells, and phagocytic removal of iron-containing material. It also downregulated the main players of the antiferroptotic pathway - Nrf2, GPX4, and xCT. In contrast, Fer-1 ameliorated the signs of deterioration of β-cell/islets, decreased lipid peroxidation, and reduced phagocytic activity, while upregulated expression of Nrf2 (and its nuclear translocation), GPX4, and xCT in β-cell/islets. Discussion Overall, our study confirms ferroptosis as an important mode of β-cell death in T1D and suggests antiferroptotic agents as a promising strategy for the prevention and treatment of diabetes.
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Affiliation(s)
- Milica Markelic
- Department of Cell and Tissue Biology, Faculty of Biology, University of Belgrade, Serbia
| | - Ana Stancic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Tamara Saksida
- Department of Immunology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ilijana Grigorov
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Dragica Micanovic
- Department of Immunology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ksenija Velickovic
- Department of Cell and Tissue Biology, Faculty of Biology, University of Belgrade, Serbia
| | - Vesna Martinovic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Nevena Savic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Andjelija Gudelj
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Vesna Otasevic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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Xue C, Xu Z, Liu Z, Zeng C, Ye Q. Pachymic acid protects hepatic cells against oxygen-glucose deprivation/reperfusion injury by activating sirtuin 1 to inhibit HMGB1 acetylation and inflammatory signaling. CHINESE J PHYSIOL 2023; 66:239-247. [PMID: 37635483 DOI: 10.4103/cjop.cjop-d-22-00118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023] Open
Abstract
Ischemia-reperfusion injury is an important cause of liver injury occurring during liver transplantation. It is usually caused by inflammatory response and oxidative stress-induced oxidative damage. Pachymic acid (PA) has various biological activities such as anti-inflammatory, antioxidant and anti-cancer. However, the action mechanism of PA in hepatic ischemia-reperfusion injury is currently unknown. In this study, liver cells were subjected to oxygen-glucose deprivation/reperfusion (OGD/R) to simulate a hepatic ischemia-reperfusion injury model. The binding relationship between PA and sirtuin 1 (SIRT1) was analyzed by molecular docking. Cell viability was detected by Cell Counting Kit-8. Expression levels of SIRT1 and high mobility group box 1 (HMGB1) were detected by western blot. Subsequent levels of inflammatory factors were detected by related kits and western blot. Meanwhile, related kits were used to examine levels of oxidative stress markers including reactive oxygen species, malondialdehyde, superoxide dismutase and cytotoxicity-associated lactate dehydrogenase. Finally, cell apoptosis was detected by flow cytometry and western blot. The results showed that PA significantly ameliorated OGD/R-induced decrease in SIRT1 expression, increase in HMGB1 acetylation and HMGB1 translocation. Moreover, the elevated levels of inflammatory factors, oxidative stress indexes and cell apoptosis upon exposure to OGD/R were reversed by PA treatment. Moreover, the addition of SIRT1 agonist and inhibitor further demonstrated that PA exerted the aforementioned effects in OGD/R-exposed cells by targeting SIRT1. Thus, the present study revealed the mechanism by which PA ameliorated OGD/R-induced hepatic injury via SIRT1. These results might provide a clearer theoretical basis for the targeted treatment of OGD/R-induced hepatic injury with PA.
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Affiliation(s)
- Chengbiao Xue
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Zhigao Xu
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Zhongzhong Liu
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Cheng Zeng
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei, China
| | - Qifa Ye
- Zhongnan Hospital of Wuhan University, Institute of Hepatobiliary Diseases of Wuhan University, Transplant Center of Wuhan University, National Quality Control Center for Donated Organ Procurement, Hubei Key Laboratory of Medical Technology on Transplantation, Hubei Clinical Research Center for Natural Polymer Biological Liver, Hubei Engineering Center of Natural Polymer-based Medical Materials, Wuhan, Hubei; Research Center of National Health Ministry on Transplantation Medicine Engineering and Technology, The 3rd Xiangya Hospital of Central South University, Changsha, Hunan, China
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Chen N, Qiu X, Ruan H, Huang J, Liu S. Effects of late evening snacks on glucose homeostasis in cirrhotic patients: A meta-analysis. Medicine (Baltimore) 2023; 102:e32805. [PMID: 36800603 PMCID: PMC9936037 DOI: 10.1097/md.0000000000032805] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
Abstract
BACKGROUND Insulin resistance and hepatogenic diabetes are common complications in patients with liver cirrhosis. Previous studies have shown that reducing the fasting phase by supplying a late evening snack (LES) is a potential intervention to improve substrate utilization and liver function. However, the underlying mechanisms need to be further elucidated. The purpose of current meta-analysis is to evaluate effects of LES on glucose homeostasis in cirrhotic patients. METHODS Electronic databases including PubMed, Web of Science, and major scientific conference sessions were searched without language restriction and carried out on March 1, 2022 with an additional manual search of bibliographies of relevant articles. A total of 4145 studies were identified, and 10 studies were eligible for the meta-analysis, comprising 631 patients (319 in the LES group and 312 in the non-LES group). Subgroup analyses were performed to investigate the effect of LES on cirrhotic patients with or without diabetes. RESULTS Analysis showed that LES intervention had significant effects in cirrhotic patients for glycemic parameters on fasting plasma glucose, fasting insulin, and glycosylated hemoglobin respective effect sizes of -8.7, -0.86, and -0.76. Subgroup result revealed that the effect of LES on fasting plasma glucose is higher in cirrhotic patients with diabetes group than cirrhotic patients without diabetes group, and long-term LES supplementation (>2 months) was more beneficial to maintain glucose homeostasis in cirrhotic patients than that of short-term supplementation (<2 months). LES also had significant effect on nutritional metabolic parameters like including albumin and non-protein respiratory quotient. CONCLUSION Meta-analysis indicated that LES not only improved malnutrition in cirrhotic patients with or without diabetes but also maintain glucose homeostasis in cirrhotic patients with diabetes. LES is a promising and simple intervention that beneficial to maintain glucose homeostasis in cirrhotic patients.
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Affiliation(s)
- Ni Chen
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, PR China
| | - Xinze Qiu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, PR China
| | - Huaqiang Ruan
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, PR China
| | - Jiean Huang
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, PR China
| | - Shiquan Liu
- Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, PR China
- * Correspondence: Shiquan Liu, Department of Gastroenterology, The Second Affiliated Hospital of Guangxi Medical University, 166 Daxuedong Road, Nanning, Guangxi 530007, PR China (e-mail: , )
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20(S)-ginsenoside Rh1 alleviates T2DM induced liver injury via the Akt/FOXO1 pathway. Chin J Nat Med 2022; 20:669-678. [DOI: 10.1016/s1875-5364(22)60201-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Indexed: 11/18/2022]
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Stancic A, Velickovic K, Markelic M, Grigorov I, Saksida T, Savic N, Vucetic M, Martinovic V, Ivanovic A, Otasevic V. Involvement of Ferroptosis in Diabetes-Induced Liver Pathology. Int J Mol Sci 2022; 23:ijms23169309. [PMID: 36012572 PMCID: PMC9409200 DOI: 10.3390/ijms23169309] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/10/2022] [Accepted: 08/14/2022] [Indexed: 11/18/2022] Open
Abstract
Cell death plays an important role in diabetes-induced liver dysfunction. Ferroptosis is a newly defined regulated cell death caused by iron-dependent lipid peroxidation. Our previous studies have shown that high glucose and streptozotocin (STZ) cause β-cell death through ferroptosis and that ferrostatin-1 (Fer-1), an inhibitor of ferroptosis, improves β-cell viability, islet morphology, and function. This study was aimed to examine in vivo the involvement of ferroptosis in diabetes-related pathological changes in the liver. For this purpose, male C57BL/6 mice, in which diabetes was induced with STZ (40 mg/kg/5 consecutive days), were treated with Fer-1 (1 mg/kg, from day 1–21 day). It was found that in diabetic mice Fer-1 improved serum levels of ALT and triglycerides and decreased liver fibrosis, hepatocytes size, and binucleation. This improvement was due to the Fer-1-induced attenuation of ferroptotic events in the liver of diabetic mice, such as accumulation of pro-oxidative parameters (iron, lipofuscin, 4-HNE), decrease in expression level/activity of antioxidative defense-related molecules (GPX4, Nrf2, xCT, GSH, GCL, HO-1, SOD), and HMGB1 translocation from nucleus into cytosol. We concluded that ferroptosis contributes to diabetes-related pathological changes in the liver and that the targeting of ferroptosis represents a promising approach in the management of diabetes-induced liver injury.
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Affiliation(s)
- Ana Stancic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
- Correspondence: (A.S.); (V.O.); Tel.: +381-11-207-8430 (A.S. & V.O.); Fax: +381-11-276-1433 (A.S. & V.O.)
| | - Ksenija Velickovic
- Department of Cell and Tissue Biology, Faculty of Biology, University of Belgrade, 11060 Belgrade, Serbia
| | - Milica Markelic
- Department of Cell and Tissue Biology, Faculty of Biology, University of Belgrade, 11060 Belgrade, Serbia
| | - Ilijana Grigorov
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
| | - Tamara Saksida
- Department of Immunology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
| | - Nevena Savic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
| | - Milica Vucetic
- Medical Biology Department, Centre Scientifique de Monaco (CSM), 98000 Monaco, Monaco
| | - Vesna Martinovic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
| | - Andjelija Ivanovic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
| | - Vesna Otasevic
- Department of Molecular Biology, Institute for Biological Research “Siniša Stanković”, National Institute of Republic of Serbia, University of Belgrade, 11060 Belgrade, Serbia
- Correspondence: (A.S.); (V.O.); Tel.: +381-11-207-8430 (A.S. & V.O.); Fax: +381-11-276-1433 (A.S. & V.O.)
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Zhao J, Zhang Y, Zhao Y, Wu T, Chen Y, Zhang Y, Kong H, Zhao Y, Qu H. Protective Effects of Zingiberis Carbonisata-Based Carbon Dots on Diabetic Liver Injury in Mice. J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
To explain the active components of ZRC-CDs from the perspective of nanomaterials and investigate the potential mechanism for the treatment of diabetic liver injury, the structure, electron transfer properties, and elemental composition of ZRC-CDs were characterized. The protective
effects of ZRC-CDs on the diabetic liver injury were demonstrated using the Alloxan-induced diabetic model. The ZRC-CDs are spherical, with a diameter ranging from 1.0–4.5 nm and a yield of 0.56%. The results showed that ZRC-CDs decreased the levels of blood glucose in diabetic mice
and had a mitigating effect on elevated ALT and AST. More studies found that ZRC-CDs were able to decrease the levels of inflammatory cytokines and suppress the protein expression in related signaling pathways.
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Affiliation(s)
- Jie Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yifan Zhang
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yusheng Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Tong Wu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yumin Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yue Zhang
- School of Life Science, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Hui Kong
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Yan Zhao
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
| | - Huihua Qu
- Centre of Scientific Experiment, Beijing University of Chinese Medicine, Beijing, 100029, People’s Republic of China
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The Yin and Yang of toll-like receptors in endothelial dysfunction. Int Immunopharmacol 2022; 108:108768. [DOI: 10.1016/j.intimp.2022.108768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 04/01/2022] [Accepted: 04/07/2022] [Indexed: 11/24/2022]
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11
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Tao Z, Helms MN, Leach BCB, Wu X. Molecular insights into the multifaceted functions and therapeutic targeting of high mobility group box 1 in metabolic diseases. J Cell Mol Med 2022; 26:3809-3815. [PMID: 35706377 PMCID: PMC9279590 DOI: 10.1111/jcmm.17448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/06/2022] [Indexed: 10/27/2022] Open
Abstract
HMGB1 is a ubiquitously expressed protein localized in nucleus, cytoplasm, as well as secreted into extracellular space. Nuclear HMGB1 binds to DNAs and RNAs, regulating genomic stability and transcription. Cytoplasmic HMGB1 regulates autophagy through binding to core autophagy regulators. Secreted extracellular HMGB1 functions as a ligand to various receptors (RAGE and TLRs, etc.), regulating multiple signalling pathways, such as MAPK, PI3K and NF-κB signallings. Trafficking and localization of HMGB1 across cellular compartments could be regulated by its posttranslational modifications, which fine-tune its functions in metabolic diseases, inflammation and cancers. The current review examines the up-to-date findings pertaining to the biological functions of HMGB1, with focus on its posttranslational modifications and roles in downstream signalling pathways involved in metabolic diseases. This review also discusses the feasibility of targeting HMGB1 as a potential pharmacological intervention for metabolic diseases.
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Affiliation(s)
- Zhipeng Tao
- Cutaneous Biology Research Center, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - My N Helms
- Pulmonary Division, Department of Internal Medicine, University of Utah, Salt Lake City, Utah, USA
| | - Benjamin C B Leach
- Cutaneous Biology Research Center, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Xu Wu
- Cutaneous Biology Research Center, Harvard Medical School, Massachusetts General Hospital, Boston, Massachusetts, USA
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12
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Wang Y, Li K, Liu Z, Sun Y, Wang J, Liu Q, Song Y, Qi J. Ethyl Pyruvate Alleviating Inflammatory Response after Diabetic Cerebral Hemorrhage. Curr Neurovasc Res 2022; 19:196-202. [PMID: 35657042 DOI: 10.2174/1567202619666220602153937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 03/18/2022] [Accepted: 03/22/2022] [Indexed: 01/27/2023]
Abstract
OBJECTIVE This study's purpose is to investigate the neuroprotective role of ethyl pyruvate (EP) in the pathogenesis of diabetic intracerebral hemorrhage. METHODS The present study used a mouse model of collagenase-induced intracerebral hemorrhage (ICH) and streptozotocin-induced diabetes. The C57BL/6 mice were randomly divided into 3 groups: sham operation, diabetic cerebral hemorrhage, and diabetic cerebral hemorrhage with EP. The EP (80 mg/kg) and EP (50 mg/kg) were injected intraperitoneally one day and one hour before modeling. The protein expression levels of high mobility group box 1 (HMGB1) and NOD-like receptors 3 (NLRP3) were detected with western blot. The mRNA levels of HMGB1 and toll-like receptor 4 (TLR4) were measured by quantitative real-time polymerase chain reaction (PCR). Immunofluorescence and ELISA were performed to confirm some inflammatory factors. RESULTS Compared to the normal diabetic intracerebral hemorrhage group, the mRNA and protein expression levels of HMGB1 and TLR4 were downregulated in the EP-affected group with diabetic cerebral hemorrhage, together with the downregulation of the expression of inflammasomes, including NLRP3, apoptosis-associated speck-like protein containing CARD (ASC), and caspase 1. CONCLUSION EP can reduce the inflammatory response after diabetic intracerebral hemorrhage and may inhibit the activation of inflammasomes by the HMGB1/TLR4 pathway.
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Affiliation(s)
- Yueying Wang
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Ke Li
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Zhiyi Liu
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Yulan Sun
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - JiaJun Wang
- Department of Endocrinology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Qi Liu
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Yuejia Song
- Department of Endocrinology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
| | - Jiping Qi
- Department of Pathology, First Clinical Hospital, Harbin Medical University, Harbin 150001, China
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13
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Shang Y, Jiang M, Chen N, Jiang XL, Zhan ZY, Zhang ZH, Zuo RM, Wang H, Lan XQ, Ren J, Wu YL, Cui ZY, Nan JX, Lian LH. Inhibition of HMGB1/TLR4 Signaling Pathway by Digitoflavone: A Potential Therapeutic Role in Alcohol-Associated Liver Disease. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:2968-2983. [PMID: 35212223 DOI: 10.1021/acs.jafc.2c00195] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Digitoflavone (DG) is a natural flavonoid abundant in many fruits, vegetables, and medicinal plants. We investigated whether DG inhibits lipid accumulation and inflammatory responses in alcoholic liver disease (ALD) in vivo and in vitro. The mouse ALD model was established by chronically feeding male C57BL/6 mice an ethanol-containing Lieber-DeCarli liquid diet. In vitro, mouse peritoneal macrophages (MPMs) and mouse bone marrow-derived macrophages (BMDMs) were stimulated with LPS/ATP, whereas HepG2 cells and mouse primary hepatocytes were treated with ethanol. DG reduced the serum levels of transaminase and serum and hepatic levels of triglycerides and malondialdehyde in ALD mice. DG downregulated SREBP1 and its target genes and upregulated PPARα and its target genes in the liver of mice with ALD. DG inhibited TLR4-mediated NLRP3 inflammasome activation, consequently reversing the inflammatory response, including the production of HMGB1, IL-1β, and IL-36γ, as well as the infiltration of macrophages and neutrophils. DG blocked NLRP3/ASC/caspase-1 inflammasome activation and HMGB1 release in LPS/ATP-stimulated MPMs. When Tlr4 was knocked in LPS/ATP-stimulated BMDMs, HMGB1 production and release were blocked, and NLRP3-mediated cleavage and release of IL-1β was suppressed in Hmgb1-silenced BMDMs. DG amplified these inhibitory effects in Tlr4 or Hmgb1 knockdown BMDMs. In ethanol-exposed hepatocytes, DG reduced lipogenesis and promoted lipid oxidation by inhibiting the HMGB1-TLR4 signaling pathway while suppressing the inflammatory response induced by ethanol exposure. Our data demonstrated that DG inhibited the occurrence of lipid accumulation and the inflammatory response via the HMGB1-TLR4 axis, underscoring a promising approach and utility of DG for the treatment of ALD.
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Affiliation(s)
- Yue Shang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Min Jiang
- Department of Pharmacology, Binzhou Medical University, Yantai Campus, Yantai, Shandong 264000, China
| | - Nan Chen
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin Province 133002, China
| | - Xue-Li Jiang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Zi-Ying Zhan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Zhi-Hong Zhang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Rong-Mei Zuo
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Hui Wang
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Xiao-Qi Lan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin Province 133002, China
| | - Jie Ren
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Yan-Ling Wu
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin Province 133002, China
| | - Zhen-Yu Cui
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
| | - Ji-Xing Nan
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin Province 133002, China
| | - Li-Hua Lian
- Key Laboratory of Traditional Chinese Korean Medicine Research (Yanbian University) of State Ethnic Affairs Commission, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Key Laboratory of Natural Medicines of the Changbai Mountain, Ministry of Education, College of Pharmacy, Yanbian University, Yanji, Jilin Province 133002, China
- Interdisciplinary of Biological Functional Molecules, College of Integration Science, Yanbian University, Yanji, Jilin Province 133002, China
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Inhibitory effects of Humulus japonicus extract against hepatic injury in a diabetic rat model. Food Sci Biotechnol 2021; 30:979-988. [PMID: 34395029 DOI: 10.1007/s10068-021-00924-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 04/12/2021] [Accepted: 05/25/2021] [Indexed: 10/20/2022] Open
Abstract
Chronic diabetes mellitus (DM) can cause liver dysfunction and other complications. As Humulus japonicus is known to have anti-inflammatory and antioxidative effects, we sought to evaluate the hepatoprotective effect of H. japonicus extract (HJE) on a DM model. HJE reduced aspartate aminotransferase, alanine aminotransferase, and direct bilirubin levels and restored albumin activities relative to those found in the DM model. The abnormal levels of triglyceride, total cholesterol, high-density lipoprotein, and low-density lipoprotein in DM returned to normal levels after HJE treatment. DM-induced inflammation of the liver was ameliorated by HJE through reduction of tumor necrosis factor-α, interleukin-1β, and cyclooxygenase-2 levels. HJE treatment downregulated malondialdehyde levels that were increased by DM. However, the downregulated superoxide dismutase and glutathione levels in DM were increased by HJE. Histological studies showed that HJE improves the liver tissue damage caused by DM. Collectively, our findings suggest that HJE may improve liver damage in DM and exhibit an inhibitory effect on hepatic injury through its anti-inflammatory and antioxidative actions. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-021-00924-w.
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Liu Z, Ma Y, Cui Q, Xu J, Tang Z, Wang Y, He C, Wang X. Toll-like receptor 4 plays a key role in advanced glycation end products-induced M1 macrophage polarization. Biochem Biophys Res Commun 2020; 531:602-608. [PMID: 32814631 DOI: 10.1016/j.bbrc.2020.08.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 08/06/2020] [Indexed: 12/30/2022]
Abstract
OBJECTIVE This study was aimed to investigate the role of Toll-like receptor 4 (TLR4) in advanced glycation end products (AGEs)- induced macrophage polarization toward M1. METHODS Isolated primary macrophages were exposed to prepared AGEs at concentrations of 0, 2.5, 5 and 10 μmol/L. Macrophages were also exposed to hydrogen peroxide (H2O2) which provided exogenous reactive oxygen species (ROS). Receptor for AGEs (RAGE) was over-expressed by a vector. Specific siRNA silencing TLR4 and inhibitor TAK-242 were used to pre-treat the macrophages. Intracellular ROS was determined by DCFH-DA. Immunofluorescence staining was used to evaluate the expression of inducible nitric oxide synthase (iNOS) which is the marker of M1 macrophage phenotype. Real-time PCR was used to assess the mRNA expression level of TLR4 and RAGE. Protein expression levels of cytoplasmic RAGE, TLR4, nuclear signal transducers and activators of transcription 1 (STAT1) and phosphorylation levels of cytoplasmic STAT1 were evaluated by Western blotting. ELISA was used to measure concentrations of interleukin 6 (IL6), IL12 and tumor necrosis factor (TNF)α in supernatant of cell culture medium of macrophages. RESULTS AGEs significantly elevated intracellular ROS generation, expression levels of iNOS, cytoplasmic RAGE, TLR4, nuclear STAT1, phosphorylation levels of cytoplasmic STAT1, as well as IL6, IL12 and TNFα contents in a concentration-dependent manner. TLR4 silencing and inhibitor pre-treatment reduced expression levels of cytoplasmic RAGE, TLR4, phosphorylation of STAT1 and nuclear STAT1 in AGEs-exposed macrophages without affecting RAGE expression and intracellular ROS production levels. RAGE over-expression elevated both ROS and TLR4 expression levels in macrophages. TLR4 expression elevation was also found in H2O2-treat macrophages. CONCLUSION AGEs induced macrophage polarization toward M1 via activating RAGE/ROS/TLR4/STAT1 signaling pathway.
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Affiliation(s)
- Zhongwei Liu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Yanpeng Ma
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Qianwei Cui
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Jing Xu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Zhiguo Tang
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China
| | - Yuan Wang
- Department of Medical Prevention, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi, China.
| | - Chunhui He
- Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China.
| | - Xi Wang
- Department of Obstetrics and Gynecology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China.
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Xu C, Chen T, Li J, Jin M, Ye M. The structural analysis and its hepatoprotective activity of melanin isolated from Lachnum sp. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.08.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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17
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Đurašević S, Nikolić G, Zaletel I, Grigorov I, Memon L, Mitić-Ćulafić D, Vujović P, Đorđević J, Todorović Z. Distinct effects of virgin coconut oil supplementation on the glucose and lipid homeostasis in non-diabetic and alloxan-induced diabetic rats. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103601] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Guo X, Shi Y, Du P, Wang J, Han Y, Sun B, Feng J. HMGB1/TLR4 promotes apoptosis and reduces autophagy of hippocampal neurons in diabetes combined with OSA. Life Sci 2019; 239:117020. [PMID: 31678553 DOI: 10.1016/j.lfs.2019.117020] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 10/11/2019] [Accepted: 10/26/2019] [Indexed: 12/27/2022]
Abstract
AIMS Obstructive sleep apnea (OSA) combined with type 2 diabetes (T2DM) may lead to cognitive dysfunction. We previously reported that cognitive impairment is exacerbated in KKAy mice exposed to intermittent hypoxia (IH), during which the DNA binding protein HMGB1 mediates hippocampal neuronal apoptosis by maintaining microglia-associated neuroinflammation, but the underlying mechanism remains largely unknown. MATERIALS AND METHODS We performed immunofluorescence, Western blotting, and immunohistochemistry experiments in mouse hippocampal tissues and HT22 cells. KKAy type 2 diabetes model mice and normal C57BL/6J mice were exposed to IH or intermittent normoxia. HT22 cells were cultured in high glucose medium and exposed to IH or intermittent normoxia. We transfected HMGB1 siRNA into HT22 cells and then treated them with high glucose combined with intermittent hypoxia. KEY FINDINGS In conclusion, IH aggravated apoptosis and autophagy defects in T2DM mice, and increased the protein expression of HMGB1 and TLR4. This was also confirmed in HG + IH-treated hippocampal HT22 cells. HMGB1 siRNA can significantly reduce the protein expression of HMGB1 and TLR4, reverse neuronal apoptosis and enhance autophagy. SIGNIFICANCE We believe that HMGB1 is a key factor in the regulation of hippocampal neuronal apoptosis and autophagy defects in T2DM combined with OSA. Targeting HMGB1/TLR4 signaling as a novel approach may delay or prevent the increased apoptosis and decreased autophagy induced by T2DM combined with OSA, and may ultimately improve cognitive dysfunction.
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Affiliation(s)
- Xiangyu Guo
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China
| | - Yu Shi
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China
| | - Ping Du
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China
| | - Jiahui Wang
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China
| | - Yelei Han
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China
| | - Bei Sun
- NHC Key Laboratory of Hormones and Development (Tianjin Medical University), Tianjin Key Laboratory of Metabolic Diseases, Tianjin Medical University Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin, 300134, China.
| | - Jing Feng
- Respiratory Department, Tianjin Medical University General Hospital, Tianjin Medical University, 300052, Tianjin, China.
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Sindhu S, Kochumon S, Shenouda S, Wilson A, Al-Mulla F, Ahmad R. The Cooperative Induction of CCL4 in Human Monocytic Cells by TNF-α and Palmitate Requires MyD88 and Involves MAPK/NF-κB Signaling Pathways. Int J Mol Sci 2019; 20:ijms20184658. [PMID: 31546972 PMCID: PMC6770648 DOI: 10.3390/ijms20184658] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Revised: 09/15/2019] [Accepted: 09/17/2019] [Indexed: 01/22/2023] Open
Abstract
Chronic low-grade inflammation, also known as metabolic inflammation, is a hallmark of obesity and parallels with the presence of elevated circulatory levels of free fatty acids and inflammatory cytokines/chemokines. CCL4/MIP-1β chemokine plays a key role in the adipose tissue monocyte recruitment. Increased circulatory levels of TNF-α, palmitate and CCL4 are co-expressed in obesity. We asked if the TNF-α/palmitate could interact cooperatively to augment the CCL4 production in human monocytic cells and macrophages. THP-1 cells/primary macrophages were co-treated with TNF-α/palmitate and CCL4 mRNA/protein expression was assessed using qRT-PCR/ELISA. TLR4 siRNA, a TLR4 receptor-blocking antibody, XBlue™-defMyD cells and pathway inhibitors were used to decipher the signaling mechanisms. We found that TNF-α/palmitate co-stimulation augmented the CCL4 expression in monocytic cells and macrophages compared to controls (p < 0.05). TLR4 suppression or neutralization abrogated the CCL4 expression in monocytic cells. Notably, CCL4 cooperative induction in monocytic cells was: (1) Markedly less in MyD88-deficient cells, (2) IRF3 independent, (3) clathrin dependent and (4) associated with the signaling mechanism involving ERK1/2, c-Jun, JNK and NF-κB. In conclusion, TNF-α/palmitate co-stimulation promotes the CCL4 expression in human monocytic cells through the mechanism involving a TLR4-MyD88 axis and MAPK/NF-κB pathways. These findings unravel a novel mechanism of the cooperative induction of CCL4 by TNF-α and palmitate which could be relevant to metabolic inflammation.
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Affiliation(s)
- Sardar Sindhu
- Animal and Imaging Core Facility, Dasman Diabetes Institute, Dasman 15462, Kuwait,
| | - Shihab Kochumon
- Microbiolgy and Immunology, Dasman Diabetes Institute, Dasman 15462, Kuwait,
| | - Steve Shenouda
- Microbiolgy and Immunology, Dasman Diabetes Institute, Dasman 15462, Kuwait,
| | - Ajit Wilson
- Microbiolgy and Immunology, Dasman Diabetes Institute, Dasman 15462, Kuwait,
| | - Fahd Al-Mulla
- Genetics & Bioinformatics, Dasman Diabetes Institute, Dasman 15462, Kuwait,
| | - Rasheed Ahmad
- Microbiolgy and Immunology, Dasman Diabetes Institute, Dasman 15462, Kuwait,
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Sevoflurane Exerts an Anti-depressive Action by Blocking the HMGB1/TLR4 Pathway in Unpredictable Chronic Mild Stress Rats. J Mol Neurosci 2019; 69:546-556. [DOI: 10.1007/s12031-019-01380-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 07/09/2019] [Indexed: 01/27/2023]
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21
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Yang Y, Shao R, Jiang R, Zhu M, Tang L, Li L, Zhang L. β‐Hydroxybutyrate exacerbates lipopolysaccharide/
d
‐galactosamine‐induced inflammatory response and hepatocyte apoptosis in mice. J Biochem Mol Toxicol 2019; 33:e22372. [DOI: 10.1002/jbt.22372] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 05/09/2019] [Accepted: 06/17/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Yongqiang Yang
- Department of PathophysiologyChongqing Medical University 1 Yixueyuan Road Chongqing 400016 China
| | - Ruyue Shao
- Department of Obstetrics and Gynaecology and PediatricsChongqing Medical and Pharmaceutical College 82 Daxuecheng Road Chongqing 401331 China
- Chongqing Engineering Research Center of Pharmaceutical Sciences 82 Daxuecheng Road Chongqing 401331 China
| | - Rong Jiang
- Laboratory of Stem Cell and Tissue EngineeringChongqing Medical University 1 Yixueyuan Road Chongqing 400016 China
| | - Min Zhu
- Department of PathologyKaramay Central Hospital 67 Zhungaer Road Karamay Xinjiang 834000 China
| | - Li Tang
- Department of PathophysiologyChongqing Medical University 1 Yixueyuan Road Chongqing 400016 China
| | - Longjiang Li
- Department of PathophysiologyChongqing Medical University 1 Yixueyuan Road Chongqing 400016 China
| | - Li Zhang
- Department of PathophysiologyChongqing Medical University 1 Yixueyuan Road Chongqing 400016 China
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Dong W, Zhu Q, Yang B, Qin Q, Wang Y, Xia X, Zhu X, Liu Z, Song E, Song Y. Polychlorinated Biphenyl Quinone Induces Caspase 1-Mediated Pyroptosis through Induction of Pro-inflammatory HMGB1-TLR4-NLRP3-GSDMD Signal Axis. Chem Res Toxicol 2019; 32:1051-1057. [DOI: 10.1021/acs.chemrestox.8b00376] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Wenjing Dong
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Qiushuang Zhu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Bingwei Yang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Qi Qin
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Yawen Wang
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Xiaomin Xia
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Xiaokang Zhu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Zixuan Liu
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Erqun Song
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
| | - Yang Song
- Key Laboratory of Luminescence and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chongqing 400715, People’s Republic of China
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Koprivica I, Vujičić M, Gajić D, Saksida T, Stojanović I. Ethyl Pyruvate Stimulates Regulatory T Cells and Ameliorates Type 1 Diabetes Development in Mice. Front Immunol 2019; 9:3130. [PMID: 30687329 PMCID: PMC6335294 DOI: 10.3389/fimmu.2018.03130] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 12/18/2018] [Indexed: 12/31/2022] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease in which a strong inflammatory response causes the death of insulin-producing pancreatic β-cells, while inefficient regulatory mechanisms allow that response to become chronic. Ethyl pyruvate (EP), a stable pyruvate derivate and certified inhibitor of an alarmin-high mobility group box 1 (HMGB1), exerts anti-oxidant and anti-inflammatory properties in animal models of rheumatoid arthritis and encephalomyelitis. To test its therapeutic potential in T1D, EP was administered intraperitoneally to C57BL/6 mice with multiple low-dose streptozotocin (MLDS)-induced T1D. EP treatment decreased T1D incidence, reduced the infiltration of cells into the pancreatic islets and preserved β-cell function. Apart from reducing HMGB1 expression, EP treatment successfully interfered with the inflammatory response within the local pancreatic lymph nodes and in the pancreas. Its effect was restricted to boosting the regulatory arm of the immune response through up-regulation of tolerogenic dendritic cells (CD11c+CD11b-CD103+) within the pancreatic infiltrates and through the enhancement of regulatory T cell (Treg) levels (CD4+CD25highFoxP3+). These EP-stimulated Treg displayed enhanced suppressive capacity reflected in increased levels of CTLA-4, secreted TGF-β, and IL-10 and in the more efficient inhibition of effector T cell proliferation compared to Treg from diabetic animals. Higher levels of Treg were a result of increased differentiation and proliferation (Ki67+ cells), but also of the heightened potency for migration due to increased expression of adhesion molecules (CD11a and CD62L) and CXCR3 chemokine receptor. Treg isolated from EP-treated mice had the activated phenotype and T-bet expression more frequently, suggesting that they readily suppressed IFN-γ-producing cells. The effect of EP on Treg was also reproduced in vitro. Overall, our results show that EP treatment reduced T1D incidence in C57BL/6 mice predominantly by enhancing Treg differentiation, proliferation, their suppressive capacity, and recruitment into the pancreas.
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Affiliation(s)
- Ivan Koprivica
- Department of Immunology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade, Serbia
| | - Milica Vujičić
- Department of Immunology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade, Serbia
| | - Dragica Gajić
- Department of Immunology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade, Serbia
| | - Tamara Saksida
- Department of Immunology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade, Serbia
| | - Ivana Stojanović
- Department of Immunology, Institute for Biological Research "Siniša Stanković", University of Belgrade, Belgrade, Serbia
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Ding Z, Du D, Yang Y, Yang M, Miao Y, Zou Z, Zhang X, Li Z, Zhang X, Zhang L, Wang X, Zhao Y, Jiang J, Jiang F, Zhou P. Short-term use of MyD88 inhibitor TJ-M2010-5 prevents d-galactosamine/lipopolysaccharide-induced acute liver injury in mice. Int Immunopharmacol 2018; 67:356-365. [PMID: 30583234 DOI: 10.1016/j.intimp.2018.11.051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2018] [Revised: 11/27/2018] [Accepted: 11/28/2018] [Indexed: 01/14/2023]
Abstract
Excessive activation of the TLR/MyD88 signaling pathway contributes to several inflammation-related diseases. Previously, our laboratory synthesized a novel thiazaol-aminoramification MyD88 inhibitor named TJ-M2010-5. In this study, we interrogated the role of MyD88, as well as the protective effect of TJ-M2010-5, in a d-gal/LPS-induced acute liver injury mouse model. In order to induce acute liver injury, BALB/c mice received intraperitoneal injection of d-gal and LPS at a dose of 800 mg/kg and 80 μg/kg body weight, respectively. All mice died within 48 h of injection without intervention. However, pre-treatment with TJ-M2010-5 as well as knock-out (KO) of the MyD88 gene significantly improved mouse survival rate to 73.3% and 80% at 48 h, respectively, and both treatments protected liver function. These pathological results demonstrated that TJ-M2010-5 and MyD88 KO reduced the infiltration of inflammatory cells and protected hepatocytes against apoptosis. Furthermore, TJ-M2010-5 remarkably inhibited NF-κB and MAPK signaling in vivo. LPS-induced activation of macrophages as well as pro-inflammatory factors were also shown to be decreased after TJ-M2010-5 treatment in vivo and in vitro. Taken together, these results suggested that blockage of the TLR/MyD88 signaling pathway by TJ-M2010-5 has an important role in the prevention of inflammation-related acute liver injury.
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Affiliation(s)
- Zuochuan Ding
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Dunfeng Du
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Yang Yang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Min Yang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Yan Miao
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Zhimiao Zou
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Xiaoqian Zhang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zeyang Li
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Xue Zhang
- Department of Breast Surgery, Renmin Hospital of Wuhan University, Wuhan University, Wuhan, 430030, China
| | - Limin Zhang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Xinqiang Wang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Yuanyuan Zhao
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Jipin Jiang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China
| | - Fengchao Jiang
- Academy of Pharmacy, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Ping Zhou
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; Key Laboratory of Organ Transplantation, Ministry of Education, NHC Key Laboratory of Organ Transplantation, Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, China.
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