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Malinauskiene V, Zuzo A, Liakina V, Kazenaite E, Stundiene I. Menstrual cycle abnormalities in women with inflammatory bowel disease and effects of biological therapy on gynecological pathology. World J Clin Cases 2023; 11:4989-4995. [PMID: 37583859 PMCID: PMC10424016 DOI: 10.12998/wjcc.v11.i21.4989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/14/2023] [Accepted: 06/30/2023] [Indexed: 07/26/2023] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic condition that affects young individuals in their reproductive years. It may have long-term implications on their reproductive, sexual, and mental health. IBD has been related to menstrual abnormalities. Furthermore, the administration of biological therapy can also result in gynecological issues in addition to the disease itself. The purpose of this review was to present potential menstrual cycle problems in patients with IBD, as well as the impact of adalimumab and other anti-tumor necrosis factor medications on gynecological pathology.
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Affiliation(s)
- Vaidota Malinauskiene
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius 01513, Lithuania
| | - Anastasija Zuzo
- Faculty of Medicine, Vilnius University, Vilnius 01513, Lithuania
| | - Valentina Liakina
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius 01513, Lithuania
- Department of Chemistry and Bioengineering, Faculty of Fundamental Sciences, Vilnius Tech, Vilnius 10223, Lithuania
| | - Edita Kazenaite
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius 01513, Lithuania
| | - Ieva Stundiene
- Clinic of Gastroenterology, Nephrourology and Surgery, Institute of Clinical Medicine, Faculty of Medicine, Vilnius University, Vilnius 01513, Lithuania
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Methane Admixture Protects Liver Mitochondria and Improves Graft Function after Static Cold Storage and Reperfusion. Antioxidants (Basel) 2023; 12:antiox12020271. [PMID: 36829829 PMCID: PMC9951982 DOI: 10.3390/antiox12020271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/21/2023] [Accepted: 01/22/2023] [Indexed: 01/27/2023] Open
Abstract
Mitochondria are targets of cold ischemia-reperfusion (IR), the major cause of cell damage during static cold preservation of liver allografts. The bioactivity of methane (CH4) has recently been recognized in various hypoxic and IR conditions as having influence on many aspects of mitochondrial biology. We therefore hypothesized that cold storage of liver grafts in CH4-enriched preservation solution can provide an increased defence against organ dysfunction in a preclinical rat model of liver transplantation. Livers were preserved for 24 h in cold histidine-tryptophan-ketoglutarate (HTK) or CH4-enriched HTK solution (HTK-CH4) (n = 24 each); then, viability parameters were monitored for 60 min during normothermic isolated reperfusion and perfusate and liver tissue were collected. The oxidative phosphorylation capacity and extramitochondrial Ca2+ movement were measured by high resolution respirometry. Oxygen and glucose consumption increased significantly while hepatocellular damage was decreased in the HTK-CH4 grafts compared to the HTK group. Mitochondrial oxidative phosphorylation capacity was more preserved (128.8 ± 31.5 pmol/s/mL vs 201.3 ± 54.8 pmol/s/mL) and a significantly higher Ca2+ flux was detected in HTK-CH4 storage (2.9 ± 0.1 mV/s) compared to HTK (2.3 ± 0.09 mV/s). These results demonstrate the direct effect of CH4 on hepatic mitochondrial function and extramitochondrial Ca2+ fluxes, which may have contributed to improved graft functions and a preserved histomorphology after cold IR.
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3
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Allam E, Abdel Moniem R, Soliman G. Functional and structural assessment of the possible protective effect of platelet-rich plasma against ischemia/reperfusion-induced ovarian injury in adult rats. CHINESE J PHYSIOL 2022; 65:64-71. [DOI: 10.4103/cjp.cjp_3_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
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4
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Hu J, Su B, Li X, Li Y, Zhao J. Klotho overexpression suppresses apoptosis by regulating the Hsp70/Akt/Bad pathway in H9c2(2-1) cells. Exp Ther Med 2021; 21:486. [PMID: 33790995 PMCID: PMC8005687 DOI: 10.3892/etm.2021.9917] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 02/16/2021] [Indexed: 12/15/2022] Open
Abstract
Early reperfusion is the most effective and important treatment for acute myocardial infarction. However, reperfusion therapy often leads to a certain degree of myocardial damage. The aim of the present study was to identify the role of klotho, and the molecular mechanism underlying its effects, in myocardial damage using a model of myocardial hypoxia injury. Hypoxia/reoxygenation (H/R) was used to mimic ischemia/reperfusion (I/R) injury in vitro. The expression and distribution of klotho in H9c2(2-1) cells was observed by fluorogenic scanning, and the apoptotic rate was determined by Annexin V-FITC/propidium iodide dual staining. Cell viability was determined by MTT assay, and caspase-3, cleaved caspase-3, Bcl-2, Bax, heat shock protein (Hsp) 70 and Akt levels were assessed by western blotting. A lactate dehydrogenase test was performed to determine the degree of H9c2(2-1) cell damage. The results revealed that klotho was primarily located in the cytoplasm of H9c2(2-1) cells. Klotho overexpression markedly suppressed H/R-induced H9c2(2-1) cell apoptosis. Furthermore, cell viability increased, and injury decreased in response to klotho. Klotho also suppressed the activation of caspase-3, upregulated Bcl2 and decreased Bax levels following H/R injury, as well as alleviating H/R injury by upregulating the expression of Hsp70 and increasing the levels of phosphorylated (p-)Akt and Bad. In conclusion, these results indicate that klotho suppressed H/R-induced H9c2(2-1) cell apoptosis by regulating the levels of Hsp70, p-Akt and p-Bad, which suggest that klotho could be a novel agent for the treatment of coronary disease.
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Affiliation(s)
- Jinpeng Hu
- Graduate School of Tianjin Medical University, Tianjin 300070, P.R. China.,Department of Geriatric Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin 300162, P.R. China
| | - Bin Su
- Ministry of Research, Characteristic Medical Center of The Chinese People's Armed Police Force, Tianjin 300162, P.R. China
| | - Xuewen Li
- Department of Geriatric Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin 300162, P.R. China
| | - Yuming Li
- Angiocardiopathy Institute of Characteristic Medical Center of PAP, Tianjin 300162, P.R. China.,TEDA International Cardiovascular Hospital, Tianjin Economic-Technological Development Area, Tianjin 300457, P.R. China
| | - Jihong Zhao
- Department of Geriatric Medicine, Characteristic Medical Center of Chinese People's Armed Police Force, Tianjin 300162, P.R. China
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Díaz-Rodríguez SM, López-López D, Herrero-Turrión MJ, Gómez-Nieto R, Canal-Alonso A, Lopéz DE. Inferior Colliculus Transcriptome After Status Epilepticus in the Genetically Audiogenic Seizure-Prone Hamster GASH/Sal. Front Neurosci 2020; 14:508. [PMID: 32528245 PMCID: PMC7264424 DOI: 10.3389/fnins.2020.00508] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Accepted: 04/22/2020] [Indexed: 01/31/2023] Open
Abstract
The Genetic Audiogenic Seizure Hamster from Salamanca (GASH/Sal), an animal model of reflex epilepsy, exhibits generalized tonic–clonic seizures in response to loud sound with the epileptogenic focus localized in the inferior colliculus (IC). Ictal events in seizure-prone strains cause gene deregulation in the epileptogenic focus, which can provide insights into the epileptogenic mechanisms. Thus, the present study aimed to determine the expression profile of key genes in the IC of the GASH/Sal after the status epilepticus. For such purpose, we used RNA-Seq to perform a comparative study between the IC transcriptome of GASH/Sal and that of control hamsters both subjected to loud sound stimulation. After filtering for normalization and gene selection, a total of 36 genes were declared differentially expressed from the RNA-seq analysis in the IC. A set of differentially expressed genes were validated by RT-qPCR showing significant differentially expression between GASH/Sal hamsters and Syrian control hamsters. The confirmed differentially expressed genes were classified on ontological categories associated with epileptogenic events similar to those produced by generalized tonic seizures in humans. Subsequently, based on the result of metabolomics, we found the interleukin-4 and 13-signaling, and nucleoside transport as presumably altered routes in the GASH/Sal model. This research suggests that seizures in GASH/Sal hamsters are generated by multiple molecular substrates, which activate biological processes, molecular processes, cellular components and metabolic pathways associated with epileptogenic events similar to those produced by tonic seizures in humans. Therefore, our study supports the use of the GASH/Sal as a valuable animal model for epilepsy research, toward establishing correlations with human epilepsy and searching new biomarkers of epileptogenesis.
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Affiliation(s)
- Sandra M Díaz-Rodríguez
- Institute of Neurosciences of Castilla y León, University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, University of Salamanca, Salamanca, Spain.,Department of Cellular Biology and Pathology, University of Salamanca, Salamanca, Spain
| | - Daniel López-López
- Institute of Neurosciences of Castilla y León, University of Salamanca, Salamanca, Spain
| | - Manuel J Herrero-Turrión
- Institute of Neurosciences of Castilla y León, University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, University of Salamanca, Salamanca, Spain.,Neurological Tissue Bank INCYL (BTN-INCYL), Salamanca, Spain
| | - Ricardo Gómez-Nieto
- Institute of Neurosciences of Castilla y León, University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, University of Salamanca, Salamanca, Spain.,Department of Cellular Biology and Pathology, University of Salamanca, Salamanca, Spain
| | - Angel Canal-Alonso
- Institute of Biomedical Research of Salamanca, University of Salamanca, Salamanca, Spain.,BISITE Research Group, University of Salamanca, Salamanca, Spain
| | - Dolores E Lopéz
- Institute of Neurosciences of Castilla y León, University of Salamanca, Salamanca, Spain.,Institute of Biomedical Research of Salamanca, University of Salamanca, Salamanca, Spain.,Department of Cellular Biology and Pathology, University of Salamanca, Salamanca, Spain
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6
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Değer U, Çavuş Y. Investigation of the role of rosmarinic acid treatment in regulating inflammation, cell damage, and angiogenesis in rat ovarian torsion and detorsion models. Acta Cir Bras 2020; 35:e202000304. [PMID: 32692796 PMCID: PMC7251978 DOI: 10.1590/s0102-865020200030000004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/24/2020] [Accepted: 02/20/2020] [Indexed: 02/07/2023] Open
Abstract
PURPOSE To investigate the protective effect of rosmarinic acid (RA) in ovarian ischemia/reperfusion injury using biochemical, histopathological, and immunohistochemical methods. METHODS Wistar female rats (n = 32) were randomly divided into four groups: control, ischemia, ischemia-reperfusion, and ischemia-reperfusion with RA. Rosmarinic acid was given at a dose of 50 mg/kg by oral gavage three hours after reperfusion. Malondialdehyde (MDA) levels and glutathione peroxidase (GSH-Px) activities were determined in the ovary tissue homogenates for each rat. RESULTS In the ischemia-reperfusion with RA group, the epithelial cells are regularly regulated at the periphery, and the degenerative changes in preantral and antral follicle cells are reduced. Follicle cells and cells in the corpus luteum showed a decrease in vascular endothelial growth factor (VEGF) expression, while VEGF demonstrated a positive reaction in vascular endothelial cells and stromal cells. The TNF-α expression due to the decreased degenerative effect and inflammation was positive in the macrophage cells. The expression of caspase-3 as an apoptosis change was negative in antral follicle cells and granular cells around the antral follicle. CONCLUSION Different doses of RA may be useful in preventing ischemic damage after vascularization, inflammation, and apoptotic development after ischemia/reperfusion.
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Affiliation(s)
- Uğur Değer
- MD, Department of Obstetrics and Gynecology, Memorial Hospital, Diyarbakır, Turkey. Technical procedures, histopathological examinations, manuscript preparation and writing, final approval
| | - Yunus Çavuş
- MD, Department of Obstetrics and Gynecology, Memorial Hospital, Diyarbakır, Turkey. Technical procedures, histopathological examinations, manuscript preparation and writing, final approval
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Zhao C, Fan J, Liu Y, Guo W, Cao H, Xiao J, Wang Y, Liu B. Hepatoprotective activity of Ganoderma lucidum triterpenoids in alcohol-induced liver injury in mice, an iTRAQ-based proteomic analysis. Food Chem 2019; 271:148-156. [PMID: 30236660 DOI: 10.1016/j.foodchem.2018.07.115] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 07/14/2018] [Accepted: 07/17/2018] [Indexed: 02/05/2023]
Affiliation(s)
- Chao Zhao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Jinlin Fan
- College of Life Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China; National Engineering Research Center of JUNCAO, Fuzhou 350002, China
| | - Yuanyuan Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Weiling Guo
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China
| | - Hui Cao
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau
| | - Ying Wang
- Institute of Chinese Medical Sciences and State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau.
| | - Bin Liu
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou, Fujian 350002, China; National Engineering Research Center of JUNCAO, Fuzhou 350002, China.
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Beyazit F, Büyük B, Turkon H, Elmas S, Uzun M. Adalimumab mitigates ovarian ischemia-reperfusion injury in rats by regulating oxidative stress, apoptosis and resolution of inflammation. J Obstet Gynaecol Res 2018; 45:358-367. [PMID: 30358007 DOI: 10.1111/jog.13846] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 10/02/2018] [Indexed: 02/06/2023]
Abstract
AIM Ovarian torsion is a rare but an important reason of acute lower abdominal pain in women and associated with serious morbidity and mortality, if not treated promptly. The aim of this study was to evaluate the effects of an antitumor necrosis factor-α antibody on ovarian torsion in a rat model of ischemia-reperfusion (I/R) injury. METHODS Forty female Wistar Albino rats were used in the present study. The rats were randomly divided into four groups: group I (sham), group II (I/R), group III (I/R + isotonic saline) and group IV (I/R + adalimumab). The I/R model was induced by torsion of both ovaries. Immunohistochemical staining for interleukin-1β (IL-1β), nuclear factor-κB (NF-κB), and inducible nitric oxide synthase was performed. Tissue and serum oxidative stress markers in conjunction with apoptotic index (AI) with the terminal deoxynucleotidyl transferase dUTP nick end labeling method were also calculated. RESULTS Tissue total oxidant status, oxidative stress index and nitric oxide values were significantly decreased, and tissue total antioxidant status was found to be increased in group IV. Inflammation, vascular congestion and hemorrhagia were significantly lower in adalimumab-treated group. Serum oxidative stress markers and tissue malondialdehyde levels did not differ in study groups. The AI was significantly increased in groups 2 and 3. Adalimumab treatment significantly decreased the AI. CONCLUSION Adalimumab therapy in rats attenuated I/R induced ovarian injury, possibly suppressing inflammation, inhibiting oxidative stress, and altering apoptotic pathways.
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Affiliation(s)
- Fatma Beyazit
- Department of Obstetrics and Gynecology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Başak Büyük
- Department of Histology and Embryology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Hakan Turkon
- Department of Biochemistry, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Sait Elmas
- Experimental Research Application and Research Center, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Metehan Uzun
- Department of Physiology, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
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Zhao C, Jiang J, Wang Y, Wu Y. Retracted
: Overexpression of microRNA‐590‐3p promotes the proliferation of and inhibits the apoptosis of myocardial cells through inhibition of the NF‐κB signaling pathway by binding to RIPK1. J Cell Biochem 2018; 120:3559-3573. [DOI: 10.1002/jcb.27633] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 08/14/2018] [Indexed: 01/28/2023]
Affiliation(s)
- Can Zhao
- Department of Cardiology Beijing Friendship Hospital Capital Medical University Beijing China
| | - Jing Jiang
- Department of Cardiology Chinese People's Liberation Army 401st Hospital Qingdao China
| | - Yong‐Liang Wang
- Department of Cardiology Beijing Friendship Hospital Capital Medical University Beijing China
| | - Yong‐Quan Wu
- Department of Cardiology Beijing Anzhen Hospital Capital Medical University Beijing China
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Lu TF, Yang TH, Zhong CP, Shen C, Lin WW, Gu GX, Xia Q, Xu N. Dual Effect of Hepatic Macrophages on Liver Ischemia and Reperfusion Injury during Liver Transplantation. Immune Netw 2018; 18:e24. [PMID: 29984042 PMCID: PMC6026692 DOI: 10.4110/in.2018.18.e24] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 06/20/2018] [Accepted: 06/21/2018] [Indexed: 12/14/2022] Open
Abstract
Ischemia-reperfusion injury (IRI) is a major complication in liver transplantation (LT) and it is closely related to the recovery of grafts' function. Researches has verified that both innate and adaptive immune system are involved in the development of IRI and Kupffer cell (KC), the resident macrophages in the liver, play a pivotal role both in triggering and sustaining the sterile inflammation. Damage-associated molecular patterns (DAMPs), released by the initial dead cell because of the ischemia insult, firstly activate the KC through pattern recognition receptors (PRRs) such as toll-like receptors. Activated KCs is the dominant players in the IRI as it can secret various pro-inflammatory cytokines to exacerbate the injury and recruit other types of immune cells from the circulation. On the other hand, KCs can also serve in a contrary way to ameliorate IRI by upregulating the anti-inflammatory factors. Moreover, new standpoint has been put forward that KCs and macrophages from the circulation may function in different way to influence the inflammation. Managements towards KCs are expected to be the effective way to improve the IRI.
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Affiliation(s)
- Tian-Fei Lu
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Tai-Hua Yang
- Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medicine School, Hannover 30625, Germany
| | - Cheng-Peng Zhong
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Chuan Shen
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Wei-Wei Lin
- Department of Laboratory, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Guang-Xiang Gu
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Ning Xu
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
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Preconditioning is hormesis part I: Documentation, dose-response features and mechanistic foundations. Pharmacol Res 2016; 110:242-264. [DOI: 10.1016/j.phrs.2015.12.021] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 12/18/2015] [Accepted: 12/19/2015] [Indexed: 12/16/2022]
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12
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Han B, Gao Y, Wang Y, Wang L, Shang Z, Wang S, Pei J. Protective effect of a polysaccharide from Rhizoma Atractylodis Macrocephalae on acute liver injury in mice. Int J Biol Macromol 2016; 87:85-91. [DOI: 10.1016/j.ijbiomac.2016.01.086] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 01/14/2016] [Accepted: 01/22/2016] [Indexed: 12/29/2022]
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13
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Wang F, Yin J, Lu Z, Zhang G, Li J, Xing T, Zhuang S, Wang N. Limb ischemic preconditioning protects against contrast-induced nephropathy via renalase. EBioMedicine 2016; 9:356-365. [PMID: 27333047 PMCID: PMC4972520 DOI: 10.1016/j.ebiom.2016.05.017] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2016] [Revised: 05/11/2016] [Accepted: 05/17/2016] [Indexed: 01/11/2023] Open
Abstract
Clinical trials shows that remote ischemic preconditioning (IPC) can protect against contrast induced nephropathy (CIN) in risky patients, however, the exact mechanism is unclear. In this study, we explored whether renalase, an amine oxidase that has been previously shown to mediate reno-protection by local IPC, would also mediate the same effect elicited by remote IPC in animal model. Limb IPC was performed for 24 h followed by induction of CIN. Our results indicated that limb IPC prevented renal function decline, attenuated tubular damage and reduced oxidative stress and inflammation in the kidney. All those beneficial effects were abolished by silencing of renalase with siRNA. This suggests that similar to local IPC, renalase is also critically involved in limb IPC-elicited reno-protection. Mechanistic studies showed that limb IPC increased TNFα levels in the muscle and blood, and up-regulated renalase and phosphorylated IκBα expression in the kidney. Pretreatment with TNFα antagonist or NF-κB inhibitor, largely blocked renalase expression. Besides, TNFα preconditioning increased expression of renal renalase in vivo and in vitro, and attenuated H2O2 induced apoptosis in renal tubular cells. Collectively, our results suggest that limb IPC-induced reno-protection in CIN is dependent on increased renalase expression via activation of the TNFα/NF-κB pathway. Limb ischemic preconditioning (IPC) leads to renalase upregulation in kidney tissue. Renalase is critically involved in limb IPC-elicited renal protection in contrast induced nephropathy. Limb IPC induces renalase upregulation via activation of the tumor necrosis factor α (TNFα)/ nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway.
Renalase, a kidney-secreted protein, serves as extracellular pro-survival signals and has been reported to participate in the local ischemic preconditioning (IPC) induced renal protection against ischemia-reperfusion injury. Whether renalase contributes to the beneficial effects of limb IPC on contrast induced nephropathy (CIN) remains unknown. This study revealed that limb IPC induced reno-protection in CIN was at least in part dependent on increased renalase expression, which is evidenced by our observations that knockdown of renalase abolished reno-protective effects conferred by limb IPC. The upregulation of renalase elicited by limb IPC may be mediated by activation of TNFα/NF-κB pathway.
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Affiliation(s)
- Feng Wang
- Department of Nephrology and Rheumatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
| | - Jianyong Yin
- Department of Nephrology and Rheumatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Zeyuan Lu
- Department of Nephrology and Rheumatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Guangyuan Zhang
- Department of Urology, Affiliated Zhongda Hospital of Southeast University, Nanjing 210009, China
| | - Junhui Li
- Department of Nephrology and Rheumatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Tao Xing
- St. Vincent's Hospital, Fitzroy, Melbourne, VIC, Australia
| | - Shougang Zhuang
- Department of Medicine, Rhode Island Hospital, Alpert Medical School of Brown University, Providence, Rhode Island, USA.
| | - Niansong Wang
- Department of Nephrology and Rheumatology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai 200233, China.
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Gao J, Jiang Z, Wang S, Zhou Y, Shi X, Feng M. Endoplasmic reticulum stress of Kupffer cells involved in the conversion of natural regulatory T cells to Th17 cells in liver ischemia-reperfusion injury. J Gastroenterol Hepatol 2016; 31:883-9. [PMID: 26394173 DOI: 10.1111/jgh.13163] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/31/2015] [Revised: 07/18/2015] [Accepted: 09/14/2015] [Indexed: 12/12/2022]
Abstract
BACKGROUND AND AIM Our previous studies have shown that regulatory T cells (Tregs) are reduced and Th17 cells are elevated in liver insults. Recent studies have indicated the critical role of endoplasmic reticulum (ER) stress of Kupffer cells (KCs) in evoking liver inflammation following reperfusion. The objective of this study was to investigate the role of ER stress of KCs in the conversion of Tregs to Th17 cells and the effect on liver ischemia-reperfusion injury. METHODS The partial warm liver ischemia-reperfusion injury mouse model was adopted. ER stress of KCs and the frequency of Tregs and Th17 cells following reperfusion were analyzed. Apart from depletion and adoptive transfer of KCs, KCs were isolated from ischemic lobes and co-cultured with Tregs to study the effect of KCs on Tregs and Th17 cells. RESULTS It was found that KCs induced ER stress, decreased natural Tregs (nTregs), and increased Th17 cells after reperfusion. Depletion of KCs modulated the reduction of nTregs and elevation of Th17 cells. Co-culture with stressed KCs led to the reduction in nTregs and elevation of Th17 cells. This effect was suppressed by anti-interleukin-6. Adoptive transfer of these stressed KCs resulted in the reduction in nTregs and elevation of Th17 cells and caused liver injury. CONCLUSION Endoplasmic reticulum stress of KCs contributed to the conversion of nTregs to Th17 cells due to interleukin-6, resulting in the worsening of liver insult.
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Affiliation(s)
- Jialin Gao
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Zhonghua Jiang
- Department of Gastroenterology, The First People's Hospital of Yancheng, Yancheng, China
| | - Shuai Wang
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Yuan Zhou
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Xiaolei Shi
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
| | - Min Feng
- Department of General Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, China
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Adalimumab ameliorates abdominal aorta cross clamping which induced liver injury in rats. BIOMED RESEARCH INTERNATIONAL 2014. [PMID: 24551855 DOI: 10.1155/2014/907915.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The aim of this study was to investigate the possible protective effects of adalimumab (ADA) on cell damage in rat liver tissue during ischemia/reperfusion (I/R) injury of infrarenal abdominal aorta. Thirty male Wistar-albino rats were divided into three groups: control, I/R, and I/R+ADA, each group containing 10 animals. Laparotomy without I/R injury was performed in the control group animals. Laparotomy in the I/R group was followed by two hours of infrarenal abdominal aortic cross ligation and then two hours of reperfusion. ADA (50 mg/kg) was administered intraperitoneally as a single dose, to the I/R+ADA group, five days before I/R. The tumor necrosis factor-alpha (TNF-α) (pg/mg protein) and nitric oxide (NO) (µmol/g protein) levels in the I/R group (430.8 ± 70.1, 8.0 ± 1.1, resp.) were significantly higher than those in the I/R+ADA group (338.0 ± 71.6, P = 0.006; 6.3 ± 1.2, P = 0.008) and the control group (345.5 ± 53.3, P = 0.008; 6.5 ± 1.5, P = 0.010, resp.). I/R causes severe histopathological injury to the liver tissue, but ADA leads to much less histopathological changes. ADA treatment significantly decreased the severity of liver I/R injury. ADA pretreatment may have protective effects on experimental liver injury.
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Cure E, Cumhur Cure M, Tumkaya L, Kalkan Y, Aydin I, Kirbas A, Yilmaz A, Yuce S, Yücel AF. Adalimumab ameliorates abdominal aorta cross clamping which induced liver injury in rats. BIOMED RESEARCH INTERNATIONAL 2014; 2014:907915. [PMID: 24551855 PMCID: PMC3914326 DOI: 10.1155/2014/907915] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 12/09/2013] [Accepted: 12/15/2013] [Indexed: 02/07/2023]
Abstract
The aim of this study was to investigate the possible protective effects of adalimumab (ADA) on cell damage in rat liver tissue during ischemia/reperfusion (I/R) injury of infrarenal abdominal aorta. Thirty male Wistar-albino rats were divided into three groups: control, I/R, and I/R+ADA, each group containing 10 animals. Laparotomy without I/R injury was performed in the control group animals. Laparotomy in the I/R group was followed by two hours of infrarenal abdominal aortic cross ligation and then two hours of reperfusion. ADA (50 mg/kg) was administered intraperitoneally as a single dose, to the I/R+ADA group, five days before I/R. The tumor necrosis factor-alpha (TNF-α) (pg/mg protein) and nitric oxide (NO) (µmol/g protein) levels in the I/R group (430.8 ± 70.1, 8.0 ± 1.1, resp.) were significantly higher than those in the I/R+ADA group (338.0 ± 71.6, P = 0.006; 6.3 ± 1.2, P = 0.008) and the control group (345.5 ± 53.3, P = 0.008; 6.5 ± 1.5, P = 0.010, resp.). I/R causes severe histopathological injury to the liver tissue, but ADA leads to much less histopathological changes. ADA treatment significantly decreased the severity of liver I/R injury. ADA pretreatment may have protective effects on experimental liver injury.
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Affiliation(s)
- Erkan Cure
- 1Department of Internal Medicine, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
- *Erkan Cure:
| | - Medine Cumhur Cure
- 2Department of Biochemistry, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Levent Tumkaya
- 3Department of Histology and Embryology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Yildiray Kalkan
- 3Department of Histology and Embryology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Ibrahim Aydin
- 4Department of Surgery, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Aynur Kirbas
- 2Department of Biochemistry, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Arif Yilmaz
- 5Department of Gastroenterology, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Suleyman Yuce
- 1Department of Internal Medicine, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
| | - Ahmet Fikret Yücel
- 4Department of Surgery, School of Medicine, Recep Tayyip Erdogan University, 53100 Rize, Turkey
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