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Chen H, Yin W, Yao K, Liang J, Cai J, Sui X, Zhao X, Zhang J, Xiao J, Li R, Liu Q, Yao J, You G, Liu Y, Jiang C, Qiu X, Wang T, You Q, Zhang Y, Yang M, Zheng J, Dai Z, Yang Y. Mesenchymal Stem Cell Membrane-Camouflaged Liposomes for Biomimetic Delivery of Cyclosporine A for Hepatic Ischemia-Reperfusion Injury Prevention. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2404171. [PMID: 39031840 DOI: 10.1002/advs.202404171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 05/04/2024] [Indexed: 07/22/2024]
Abstract
Hepatic ischemia-reperfusion injury (HIRI) is a prevalent issue during liver resection and transplantation, with currently no cure or FDA-approved therapy. A promising drug, Cyclosporin A (CsA), ameliorates HIRI by maintaining mitochondrial homeostasis but has systemic side effects due to its low bioavailability and high dosage requirements. This study introduces a biomimetic CsA delivery system that directly targets hepatic lesions using mesenchymal stem cell (MSC) membrane-camouflaged liposomes. These hybrid nanovesicles (NVs), leveraging MSC-derived proteins, demonstrate efficient inflammatory chemotaxis, transendothelial migration, and drug-loading capacity. In a HIRI mouse model, the biomimetic NVs accumulated at liver injury sites entered hepatocytes, and significantly reduced liver damage and restore function using only one-tenth of the CsA dose typically required. Proteomic analysis verifies the protection mechanism, which includes reactive oxygen species inhibition, preservation of mitochondrial integrity, and reduced cellular apoptosis, suggesting potential for this biomimetic strategy in HIRI intervention.
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Affiliation(s)
- Haitian Chen
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Wen Yin
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Kang Yao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jinliang Liang
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong province engineering laboratory for transplantation medicine, Guangzhou, China
| | - Jianye Cai
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Xin Sui
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Xuegang Zhao
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Jiebin Zhang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Jiaqi Xiao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Rong Li
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
- Guangdong province engineering laboratory for transplantation medicine, Guangzhou, China
| | - Qiuli Liu
- The Biotherapy Center, the Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, 510630, China
| | - Jia Yao
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Guohua You
- Surgical ICU, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yasong Liu
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Chenhao Jiang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Xiaotong Qiu
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Tingting Wang
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Qiang You
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
| | - Yingcai Zhang
- Department of Hepatobiliary Surgery, People's Hospital of Xinjiang Uyghur Autonomous Region, Urumqi, 830001, China
| | - Mo Yang
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jun Zheng
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
| | - Zong Dai
- School of Biomedical Engineering, Shenzhen Campus of Sun Yat-sen University, Shenzhen, 518107, China
| | - Yang Yang
- Department of Hepatic Surgery and Liver Transplantation Center of The Third Affiliated Hospital, Organ Transplantation Institute, Sun Yat-sen University, Organ Transplantation Research Center of Guangdong Province, Guangdong Province Engineering Laboratory for Transplantation Medicine, Guangzhou, 510630, China
- Guangdong Key Laboratory of Liver Disease Research, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, 510630, China
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Yen NTH, Tien NTN, Anh NTV, Le QV, Eunsu C, Kim HS, Moon KS, Nguyen HT, Kim DH, Long NP. Cyclosporine A-induced systemic metabolic perturbations in rats: A comprehensive metabolome analysis. Toxicol Lett 2024; 395:50-59. [PMID: 38552811 DOI: 10.1016/j.toxlet.2024.03.009] [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: 11/07/2023] [Revised: 03/12/2024] [Accepted: 03/26/2024] [Indexed: 04/11/2024]
Abstract
A better understanding of cyclosporine A (CsA)-induced nephro- and hepatotoxicity at the molecular level is necessary for safe and effective use. Utilizing a sophisticated study design, this study explored metabolic alterations after long-term CsA treatment in vivo. Rats were exposed to CsA with 4, 10, and 25 mg/kg for 4 weeks and then sacrificed to obtain liver, kidney, urine, and serum for untargeted metabolomics analysis. Differential network analysis was conducted to explore the biological relevance of metabolites significantly altered by toxicity-induced disturbance. Dose-dependent toxicity was observed in all biospecimens. The toxic effects were characterized by alterations of metabolites related to energy metabolism and cellular membrane composition, which could lead to the cholestasis-induced accumulation of bile acids in the tissues. The unfavorable impacts were also demonstrated in the serum and urine. Intriguingly, phenylacetylglycine was increased in the kidney, urine, and serum treated with high doses versus controls. Differential correlation network analysis revealed the strong correlations of deoxycytidine and guanosine with other metabolites in the network, which highlighted the influence of repeated CsA exposure on DNA synthesis. Overall, prolonged CsA administration had system-level dose-dependent effects on the metabolome in treated rats, suggesting the need for careful usage and dose adjustment.
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Affiliation(s)
- Nguyen Thi Hai Yen
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Nguyen Tran Nam Tien
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Nguyen Thi Van Anh
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Quoc-Viet Le
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
| | - Cho Eunsu
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Ho-Sook Kim
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea
| | - Kyoung-Sik Moon
- Korea Institute of Toxicology, Daejeon 34114, Republic of Korea
| | - Huy Truong Nguyen
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam
| | - Dong Hyun Kim
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea.
| | - Nguyen Phuoc Long
- Department of Pharmacology and PharmacoGenomics Research Center, Inje University College of Medicine, Busan 47392, Republic of Korea.
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Dosh L, Rappa F, Jurjus A, Karam G, Lezeik R, El Masri J, Bucchieri F, Leone A, Jurjus R. The Mechanism and Potential Therapeutic Effects of Cyclosporin, Cyclophilin, Probiotics and Syndecan-1 in an Animal Model of Inflammatory Bowel Disease. Pharmaceutics 2024; 16:130. [PMID: 38276500 PMCID: PMC10819533 DOI: 10.3390/pharmaceutics16010130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/05/2023] [Accepted: 12/31/2023] [Indexed: 01/27/2024] Open
Abstract
Background: Inflammatory bowel diseases (IBDs) have several treatment modalities including immunoregulators, like cyclosporine A, an immunosuppressant that interacts with cytoplasmic cyclophilin A, and probiotics. Aims: This study explored and compared the possible role of syndecan-1 in the IBD pathogenic process as well as the effectiveness of cyclophilin A, cyclosporine A, and their combination in the management of IBDs in the presence of probiotics. Methodology: IBD was induced in a total of 112 mice equally divided between syndecan-1 knock-out (KO) and Balb/c wild-type mice, using 2% dextran sulfate sodium (DSS) followed by intraperitoneal treatment with cyclosporine A, cyclophilin A, or a combination of both. In addition, a daily dose of probiotics was given in their drinking water. The animals were monitored for clinical signs and symptoms and checked for gross pathologies in the abdomen after 3 weeks. Descending and sigmoid colon biopsies were collected and fixed for routine microscopy or frozen for protein extraction and molecular testing for IL-6, CD3, CD147, and beta 1 integrins as well as pAkt expression. Results: The data showed that the induction of IBD in the syndecan-1 KO mice was more severe at the clinical, histological, and molecular levels than in the wild type. The combined CypA-CyA treatment showed no added inhibitory effect compared to single-drug treatment in both strains. Probiotics added to the combination was more effective in the wild type and, when used alone, its inhibition of IL-6 was the highest. As for the CD147 marker, there were more suppressions across the various groups in the KO mice except for the probiotics-alone group. Concerning CD3, it was significantly increased by the CypA-CyA complex, which led to more inflammation in the KO mice. Probiotics had little effect with the combination. In relation to beta 1 integrins, the CypA-CyA combination made no significant difference from CyA alone, and adding probiotics to the combination resulted in higher beta 1 integrin expression in the KO mice. As for pAkt, it was very well expressed and upregulated in both strains treated with DSS, but the effect was much larger in the KO mice. In brief, the CypA-CyA complex showed a decrease in the expression of pAkt, but there was no added effect of both drugs. Probiotics along with the complex had a similar reduction effects in both strains, with a greater effect in the wild-type mice, while probiotics alone led to a similar reduction in pAkt expressions in both strains. Conclusions: The differential effects of CyA, CypA, probiotics, and their combinations on the various inflammatory markers, as well as the histological alterations and clinical signs and symptoms, speak in favor of a clear role of syndecan-1 in reducing inflammation. However, probiotics need to be considered after more explorations into the mechanisms involved in the presence of CypA and CyA especially since pAkt is less active in their presence.
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Affiliation(s)
- Laura Dosh
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Francesca Rappa
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90127 Palermo, Italy
| | - Abdo Jurjus
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Gaelle Karam
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Roaa Lezeik
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Jad El Masri
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
| | - Fabio Bucchieri
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90127 Palermo, Italy
| | - Angelo Leone
- Department of Biomedicine, Neuroscience and Advanced Diagnostic, University of Palermo, 90127 Palermo, Italy
| | - Rosalyn Jurjus
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Beirut 1107-2020, Lebanon
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Ramadan MM, Mohamed RS, Hussien AG, Mohawed OA, Mabrouk AM, Mahmoud AE, Ghanem KZ, El-Messery TM. Ameliorative effects of vitamins-loaded flavoured nanophytosomes fortified with star anise volatile oil against CsA-Induced liver and kidney injury in rats: Application in functional ice cream. Heliyon 2024; 10:e23894. [PMID: 38226243 PMCID: PMC10788501 DOI: 10.1016/j.heliyon.2023.e23894] [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: 06/26/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 01/17/2024] Open
Abstract
This study investigated the effect of flavoured nanophytosomes loaded with vitamins A, E, D, B complex, folic acid, and C, as well as zinc on the immunosuppressive cyclosporin A (CsA)-induced liver and kidney injury in male rats. The vitamins flavoured nanophytosomes (VFnPs) were characterized in terms of particle size, zeta potential, encapsulation efficiency. Ice cream was flavoured with star anise volatile oil to mask the VFnPs' flavour and unacceptable taste. The study found that treatment with CsA alone resulted in increased (P > 0.05) levels of creatinine, urea, and MDA, as well as the activities of AST and ALT, while the levels of SOD, CAT, GST, proteins, CD4, INF-ᵧ, IL-6, IL-1β, and TLR4 decreased (P > 0.05). However, the group that received CsA simultaneously with VFnPs showed a significant (P > 0.05) decrease in the levels of creatinine, urea, and MDA, as well as the activities of AST and ALT, and increased (P > 0.05) levels of SOD, CAT, GST, proteins, CD4, INF-ᵧ, IL-6, IL-1β, and TLR4. The increase in the ratio of VFnPs had little effect on the physiochemical and sensory evaluation of the ice cream. Finally, the study suggests that VFnPs could potentially protect against CsA-induced liver and kidney injury and serve as a promising natural therapy for treating such conditions.
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Affiliation(s)
- Manal M. Ramadan
- Chemistry of Flavour and Aroma Department, National Research Centre, Cairo, Egypt
| | - Rasha S. Mohamed
- Nutrition and Food Sciences Department, National Research Centre, Cairo, Egypt
| | - Amal G. Hussien
- Biochemistry Department, Biotechnology Research Institute, National Research Centre. Cairo, Egypt
| | - Ola A.M. Mohawed
- Hormones Department, Medical Research and Clinical Studies Institute, National Research Centre. Cairo, Egypt
| | - Ahmed M. Mabrouk
- Dairy Science Department, National Research Centre, Cairo, Egypt
| | - Abeer E. Mahmoud
- Biochemistry Department, Biotechnology Research Institute, National Research Centre. Cairo, Egypt
| | - Kadry Z. Ghanem
- Nutrition and Food Sciences Department, National Research Centre, Cairo, Egypt
| | - Tamer M. El-Messery
- International Research Centre “Biotechnologies of the Third Millennium”, ITMO University, St. Petersburg, 191002, Russia
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Taha M, Elazab ST, Baokbah TAS, Al-Kushi AG, Mahmoud ME, Abdelbagi O, Qusty NF, El-Shenbaby I, Babateen O, Badawy AM, Ibrahim MM. Palliative Role of Zamzam Water against Cyclosporine-Induced Nephrotoxicity through Modulating Autophagy and Apoptosis Crosstalk. TOXICS 2023; 11:377. [PMID: 37112604 PMCID: PMC10144806 DOI: 10.3390/toxics11040377] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/09/2023] [Accepted: 04/14/2023] [Indexed: 06/19/2023]
Abstract
Cyclosporine (CsA) is considered one of the main components of treatment protocols for organ transplantation owing to its immunosuppressive effect. However, its use is very restricted due to its nephrotoxic effect. ZW is an alkaline fluid rich in various trace elements and has a great ability to stimulate antioxidant processes. This study aimed to investigate the possible mitigating effect of ZW on CsA-induced nephrotoxicity and its underlying mechanisms. Forty rats were allocated into four groups (n = 10): a control group, ZW group, cyclosporine A group (injected subcutaneously (SC) with CsA (20 mg/kg/day)), and cyclosporine A+ Zamzam water group (administered CsA (SC) and ZW as their only drinking water (100 mL/cage/day) for 21 days). Exposure to CsA significantly (p < 0.001) increased the serum creatinine level, lipid peroxidation marker level (malondialdehyde; MDA), and the expression of apoptotic markers procaspase-8, caspase-8, caspase- 9, calpain, cytochrome c, caspas-3, P62, and mTOR in renal tissues. Meanwhile, it markedly decreased (p< 0.001) the autophagic markers (AMPK, ULK-I, ATag5, LC3, and Beclin-1), antiapoptotic Bcl-2, and antioxidant enzymes. Moreover, the administration of CsA caused histological alterations in renal tissues. ZW significantly (p < 0.001) reversed all the changes caused by CsA and conclusively achieved a positive outcome in restraining CsA-induced nephrotoxicity, as indicated by the restoration of the histological architecture, improvement of renal function, inhibition of apoptosis, and enhancement of autophagy via the AMPK/mTOR pathway.
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Affiliation(s)
- Medhat Taha
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
- Department of Anatomy, Al-Qunfudah Medical College, Umm Al-Qura University, Al-Qunfudah 28814, Saudi Arabia
| | - Sara T. Elazab
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Tourki A. S. Baokbah
- Department of Medical Emergency Services, College of Health Sciences-AlQunfudah, Umm Al-Qura University, Al-Qunfudah 28814, Saudi Arabia
| | - Abdullah G. Al-Kushi
- Department of Human Anatomy, Faculty of Medicine, Umm Al-Qura University, Makkah, Mecca 24382, Saudi Arabia
| | - Mohamed Ezzat Mahmoud
- Histology Department, Damietta Faculty of Medicine, Al-Azhar University, Damietta 34711, Egypt
| | - Omer Abdelbagi
- Department of Pathology, Qunfudah Faculty of Medicine, Umm-Al-Qura University Kingdom of Saudi Arabia, Makka 24382, Saudi Arabia
| | - Naeem F. Qusty
- Medical Laboratories Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Ibrahim El-Shenbaby
- Clinical Pharmacology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Omar Babateen
- Department of physiology, Faculty of Medicine, Umm Al-Qura University, Makkah 24382, Saudi Arabia
| | - Alaa. M. Badawy
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Mohie Mahmoud Ibrahim
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt
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Surface Properties of the Polyethylene Terephthalate (PET) Substrate Modified with the Phospholipid-Polypeptide-Antioxidant Films: Design of Functional Biocoatings. Pharmaceutics 2022; 14:pharmaceutics14122815. [PMID: 36559307 PMCID: PMC9780983 DOI: 10.3390/pharmaceutics14122815] [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: 10/18/2022] [Revised: 11/27/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Surface properties of polyethylene terephthalate (PET) coated with the ternary monolayers of the phospholipid 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC), the immunosuppressant cyclosporine A (CsA), and the antioxidant lauryl gallate (LG) were examined. The films were deposited, by means of the Langmuir-Blodgett (LB) technique, on activated by air low temperature plasma PET plates (PETair). Their topography and surface chemistry were determined with the help of atomic force microscopy (AFM) and time-of-flight secondary ion mass spectrometry (TOF-SIMS), respectively, while wettability was evaluated by the contact angle measurements. Then, the surface free energy and its components were calculated from the Lifshitz-van der Waals/Acid-Base (LWAB) approach. The AFM imaging showed that the Langmuir monolayers were transferred effectively and yielded smoothing of the PETair surface. Mass spectrometry confirmed compatibility of the quantitative and qualitative compositions of the monolayers before and after the transfer onto the substrate. Moreover, the molecular arrangement in the LB films and possible mechanisms of DOPC-CsA-LG interactions were determined. The wettability studies provided information on the type and magnitude of the interactions that can occur between the biocoatings and the liquids imitating different environments. It was found that the changes from open to closed conformation of CsA molecules are driven by the hydrophobic environment ensured by the surrounding DOPC and LG molecules. This process is of significance to drug delivery where the CsA molecules can be released directly from the biomaterial surface by passive diffusion. The obtained results showed that the chosen techniques are complementary for the characterization of the molecular organization of multicomponent LB films at the polymer substrate as well as for designing biocompatible coatings with precisely defined wettability.
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Ghafil FA, Kadhim SAA, Majeed S, Qassam H, Hadi NR. Nephroprotective effects of Candesartan Cilexetil against Cyclosporine A-induced nephrotoxicity in a rat model. J Med Life 2022; 15:1553-1562. [PMID: 36762326 PMCID: PMC9884341 DOI: 10.25122/jml-2021-0227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/29/2021] [Indexed: 02/11/2023] Open
Abstract
Cyclosporine A (CsA), a well-known immunosuppressive drug, has been prescribed after organ transplantation and in a variety of disorders with an immunological origin. Nephrotoxicity is one of the most frequently stated problems associated with CsA, and therefore the treatment with CsA remains a big challenge. This study sets out to assess the ameliorative influences of Candesartan Cilexetil (CC) on oxidative stress and the nephrotoxic effect of CsA in a rat model. Twenty-four Wister Albino rats, 7-8-week-old, weighing 150-250g, were randomly categorized into three groups (eight animals in each group). These groups were the (1) CsA-treated group, (2) vehicle-treated group, and (3) CC-treated group. Bodyweights were assessed at the start and end of experiments. Renal function test and levels of glutathione peroxidase 1 catalase -CAT (Gpx1), catalase (CAT), superoxide dismutase (SOD), interleukin -2 (IL-2), and malondialdehyde (MDA) were investigated in renal tissues. Histological changes in kidneys were also evaluated. Data showed that levels of urea and creatinine in serum and levels of IL-2 and MDA in renal tissues were elevated in the CsA-treated group, with severe histological changes compared with the control group. Furthermore, tissue levels of Gpx1, CAT, and SOD were significantly decreased in CsA-treated in comparison with the control group. Treatment with CC for the rats subjected to CSA resulted in a marked reduction in levels of serum urea and creatinine and tissue levels of IL-2 and MDA. Levels of Gpx1, CAT, and SOD in renal tissues were greater in the CC-treatment group compared with the CsA-treated group. CC treatment reduced the deterioration of renal morphology compared with CsA treatment. The findings of this study suggest that CC could prevent CSA-induced nephrotoxicity through its anti-inflammatory and antioxidant influences. Considerably more work needs to be done to determine the mechanistic insight behind the ameliorative effect of CC.
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Affiliation(s)
- Fadhaa Abdulameer Ghafil
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | | | - Sahar Majeed
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | - Heider Qassam
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq
| | - Najah Rayish Hadi
- Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq,Corresponding Author: Najah Rayish Hadi, Department of Pharmacology and Therapeutics, Faculty of Medicine, University of Kufa, Najaf, Iraq. E-mail:
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Circulating Permeability Factors in Focal Segmental Glomerulosclerosis: In V itro Detection. Kidney Int Rep 2022; 7:2691-2703. [PMID: 36506233 PMCID: PMC9727530 DOI: 10.1016/j.ekir.2022.09.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/12/2022] [Accepted: 09/13/2022] [Indexed: 12/15/2022] Open
Abstract
Introduction The recurrence of proteinuria after kidney transplantation in patients with focal segmental glomerulosclerosis (FSGS) is considered proof of the presence of circulating permeability factors (CPFs). The aim of this study is to demonstrate the presence of plasma CPFs using series of in vitro assays. Methods Podocytes and endothelial cells (glomerular microvascular endothelial cells [GMVECs]) were incubated with plasma from FSGS patients with presumed CPFs in relapse and remission and from steroid-resistant nephrotic syndrome (SRNS), steroid-sensitive nephrotic syndrome (SSNS), membranous nephropathy (MN), and healthy controls (hCtrls). Cell viability, podocyte actin cytoskeleton architecture, and reactive oxygen species (ROS) formation with or without ROS scavenger were investigated by Cell Counting Kit-8 assay, immunofluorescence staining, and CM-H2DCFDA probing, respectively. Results Presumed CPF-containing plasma causes a series of events in podocytes but not in GMVECs. These events include actin cytoskeleton rearrangement and excessive formation of ROS, which results in podocyte loss. These effects were solely observed in response to CPF plasma collected during relapse, but not in response to plasma of hCtrls, or patients with SRNS, SSNS, and MN. The copresence of dimethylthiourea, a scavenger of ROS, abolished the aforementioned effects of CPF plasma. Conclusion We provide a panel of in vitro bioassays to measure podocyte injury and predict the presence of CPFs in plasma of patients with nephrotic syndrome (NS), providing a new framework for monitoring CPF activity that may contribute to future NS diagnostics or used for disease monitoring purposes. Moreover, our findings suggest that the inhibition of ROS formation or facilitating rapid ROS scavenging may exert beneficial effects in patients with CPFs.
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Jurak M, Szafran K, Cea P, Martín S. Characteristics of Phospholipid-Immunosuppressant-Antioxidant Mixed Langmuir-Blodgett Films. J Phys Chem B 2022; 126:6936-6947. [PMID: 36066119 PMCID: PMC9483916 DOI: 10.1021/acs.jpcb.2c03300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Hemocompatibility is one of the major criteria for the successful cardiovascular applicability of novel biomaterials. In this context, monolayers of certain biomolecules can be used to improve surface biocompatibility. To this end, biocoatings incorporating a phospholipid (1,2-dioleoyl-sn-glycero-3-phosphocholine, DOPC), an immunosuppressant (cyclosporine A, CsA), and an antioxidant material (lauryl gallate, LG) were fabricated by depositing Langmuir films onto gold or mica substrates using the Langmuir-Blodgett (LB) technique. These LB monolayers were thoroughly characterized by means of quartz crystal microbalance (QCM), atomic force microscopy (AFM), cyclic voltammetry (CV), and contact angle (CA) measurements. The obtained results indicate that the properties of these LB films are modulated by the monolayer composition. The presence of LG in the three-component systems (DOPC-CsA-LG) increases the molecular packing and the surface coverage of the substrate, which affects the wettability of the biocoating. From the different compositions studied here, we conclude that DOPC-CsA-LG monolayers with a DOPC/CsA ratio of 1:1 and LG molar fractions of 0.50 and 0.75 exhibit improved surface biocompatible characteristics. These results open up new perspectives on our knowledge and better understanding of phenomena at the biomaterial/host interface.
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Affiliation(s)
- Małgorzata Jurak
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031 Lublin, Poland
| | - Klaudia Szafran
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20031 Lublin, Poland
| | - Pilar Cea
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain.,Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain.,Laboratorio de Microscopias Avanzadas, LMA, C/Mariano Esquilor s/n, 50018 Zaragoza, Spain
| | - Santiago Martín
- Instituto de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain.,Departamento de Química Física, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain.,Laboratorio de Microscopias Avanzadas, LMA, C/Mariano Esquilor s/n, 50018 Zaragoza, Spain
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10
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Immunosuppressive regimens in porcine transplantation models. Transplant Rev (Orlando) 2022; 36:100725. [PMID: 36054957 DOI: 10.1016/j.trre.2022.100725] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 08/21/2022] [Accepted: 08/24/2022] [Indexed: 01/12/2023]
Abstract
Pigs, or Sus scrofa domestica, are commonly used animal models in translational transplantation research due to their anatomical, physiological, and immunological similarities to humans. In solid organ transplantation studies, immunosuppressive medications may be administered to pigs to prevent rejection. We provide an overview of the immunosuppressive regimens used in allogeneic solid organ transplantation in pigs, including heart, lung, kidney, bowel and cotransplanted organs and focus on the use of tacrolimus, mycophenolate mofetil, and corticosteroids.
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11
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Szafran K, Jurak M, Wiącek AE. Effect of chitosan on the interactions between phospholipid DOPC, cyclosporine A and lauryl gallate in the Langmuir monolayers. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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2-Methoxyestradiol TPGS Micelles Attenuate Cyclosporine A-Induced Nephrotoxicity in Rats through Inhibition of TGF-β1 and p-ERK1/2 Axis. Antioxidants (Basel) 2022; 11:antiox11081499. [PMID: 36009218 PMCID: PMC9405159 DOI: 10.3390/antiox11081499] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 07/28/2022] [Accepted: 07/28/2022] [Indexed: 01/25/2023] Open
Abstract
The immunosuppressant cyclosporine A (CSA) has been linked to serious renal toxic effects. Although 2-methoxyestradiol (2ME) possesses a wide range of pharmacological abilities, it suffers poor bioavailability after oral administration. The purpose of this study was to evaluate the potential of 2ME loaded D-ɑ-tocopheryl polyethylene glycol succinate (TPGS) micelles to prevent CSA-induced nephrotoxicity in rats. A 2ME-TPGS was prepared and showed particle size of 44.3 ± 3.5 nm with good entrapment efficiency and spherical structures. Male Wistar rats were divided into 5 groups, namely: Control, Vehicle, CSA, CSA + 2ME-Raw, and CSA + 2ME-Nano. CSA was injected daily at a SC dose of 20 mg/kg. Both 2ME-Raw and 2ME-Nano were given daily at oral doses of 5 mg/kg. Treatments continued for three successive weeks. 2ME-TPGS exerted significant protective effects against CSA nephrotoxicity. This was evidenced in ameliorating deterioration of renal functions, attenuation of pathological changes in kidney tissues, exerting significant anti-fibrotic, antioxidant, and anti-inflammatory effects together with significant anti-apoptotic effects. Western blot analyses showed both 2ME-Raw and 2ME-Nano significantly inhibited protein expression of TGF-β1 and phospho-ERK (p-ERK). It was observed that 2ME-TPGS, in almost all experiments, exerted superior protective effects as compared with 2ME-Raw. In conclusion, 2ME loaded in a TPGS nanocarrier possesses significant protective activities against CSA-induced kidney injury in rats. This is attributable to 2ME anti-fibrotic, antioxidant, anti-inflammatory, and anti-apoptotic activities which are mediated at least partly by inhibition of TGF-β1/p-ERK axis.
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Singh S, Ganguly U, Pal S, Chandan G, Thakur R, Saini RV, Chakrabarti SS, Agrawal BK, Chakrabarti S. Protective effects of cyclosporine A on neurodegeneration and motor impairment in rotenone-induced experimental models of Parkinson's disease. Eur J Pharmacol 2022; 929:175129. [PMID: 35777442 DOI: 10.1016/j.ejphar.2022.175129] [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: 05/08/2022] [Revised: 06/15/2022] [Accepted: 06/24/2022] [Indexed: 11/30/2022]
Abstract
The development of neuroprotective drugs targeting mitochondria could be an important strategy in combating the progressive clinical course of Parkinson's disease. In the current study, we demonstrated that in SH-SY5Y cells (human dopaminergic neuroblastoma cell line), rotenone caused a dose-dependent (0.25-1 μM) and time-dependent (up to 48 h) loss of cell viability and a loss of cellular ATP content with mitochondrial membrane depolarization and an increased formation of reactive oxygen species; all these processes were markedly prevented by the mitochondrial permeability transition pore blocker cyclosporine A, which did not affect complex I inhibition by rotenone. The nuclear morphology of rotenone-treated cells for 48 h indicated the presence of both necrosis and apoptosis. We then examined the effects of cyclosporine A on the rotenone-induced model of Parkinson's disease in Wistar rats. Cyclosporine A significantly improved the motor deficits and prevented the loss of nigral dopaminergic neurons projecting into the striatum in rotenone-treated rats. Being a marketed immuno-suppressive drug, cyclosporine A should be further evaluated for its putative neuroprotective action in Parkinson's disease.
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Affiliation(s)
- Sukhpal Singh
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Upasana Ganguly
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Soumya Pal
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India; Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Gourav Chandan
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Rahul Thakur
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Reena V Saini
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Sankha Shubhra Chakrabarti
- Department of Geriatric Medicine, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Bimal K Agrawal
- Department of Medicine, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India
| | - Sasanka Chakrabarti
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, Ambala, India.
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Smith EMD, Egbivwie N, Jorgensen AL, Ciurtin C, Al-Abadi E, Armon K, Bailey K, Brennan M, Gardner-Medwin J, Haslam K, Hawley DP, Leahy A, Leone V, Malik G, McLaren Z, Pilkington C, Ramanan AV, Rangaraj S, Ratcliffe A, Riley P, Sen E, Sridhar A, Wilkinson N, Wood F, Beresford MW, Hedrich CM. Real world treatment of juvenile-onset systemic lupus erythematosus: Data from the UK JSLE cohort study. Clin Immunol 2022; 239:109028. [PMID: 35513304 DOI: 10.1016/j.clim.2022.109028] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND In the absence of clinical trials evidence, Juvenile-onset Systemic Lupus Erythematosus (JSLE) treatment plans vary. AIM To explore 'real world' treatment utilising longitudinal UK JSLE Cohort Study data. METHODS Data collected between 07/2009-05/2020 was used to explore the choice/sequence of immunomodulating drugs from diagnosis. Multivariate logistic regression determined how organ-domain involvement (pBILAG-2004) impacted treatment choice. RESULT 349 patients met inclusion criteria, median follow-up 4-years (IQR:2,6). Mycophenolate mofetil (MMF) was most commonly used for the majority of organ-domains, and significantly associated with renal involvement (OR:1.99, 95% CI:1.65-2.41, pc < 0.01). Analyses assessing the sequence of immunomodulators focused on 197/349 patients (meeting relevant inclusion/exclusion criteria). 10/197 (5%) solely recieved hydroxychloroquine/prednisolone, 62/197 (31%) received a single-immunomodulator, 69/197 (36%) received two, and 36/197 patients (28%) received ≥three immunomodulators. The most common first and second line immunomodulator was MMF. Rituximab was the most common third-line immunomodulator. CONCLUSIONS Most UK JSLE patients required ≥two immunomodulators, with MMF used most commonly.
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Affiliation(s)
- Eve M D Smith
- Department of Women's & Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, UK; Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, UK.
| | - Naomi Egbivwie
- Department of Women's & Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, UK; Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, UK; Liverpool University Hospitals NHS Foundation Trusts, Liverpool, UK
| | | | - Coziana Ciurtin
- Centre for Adolescent Rheumatology, University College London, London, UK
| | - Eslam Al-Abadi
- Department of Rheumatology, Birmingham Children's Hospital, Birmingham, UK
| | - Kate Armon
- Department of Paediatric Rheumatology, Cambridge University Hospitals, Cambridge, UK
| | - Kathryn Bailey
- Department of Paediatric Rheumatology, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Mary Brennan
- Department of Paediatric Rheumatology, Royal Hospital for Sick Children, Edinburgh, UK
| | | | - Kirsty Haslam
- Department of Paediatrics, Bradford Royal Infirmary, Bradford, UK
| | - Daniel P Hawley
- Department of Paediatric Rheumatology, Sheffield Children's Hospital, Sheffield, UK
| | - Alice Leahy
- Department of Paediatric Rheumatology, Southampton General Hospital, Southampton, UK
| | - Valentina Leone
- Department of Paediatric Rheumatology, Leeds Children Hospital, Leeds, UK
| | - Gulshan Malik
- Paediatric Rheumatology, Royal Aberdeen Children's Hospital, Aberdeen, UK
| | - Zoe McLaren
- Liverpool University Hospitals NHS Foundation Trusts, Liverpool, UK
| | - Clarissa Pilkington
- Department of Paediatric Rheumatology, Great Ormond Street Hospital, London, UK
| | - Athimalaipet V Ramanan
- University Hospitals Bristol NHS Foundation Trust & Bristol Medical School, University of Bristol, Bristol, UK
| | - Satyapal Rangaraj
- Department of Paediatric Rheumatology, Nottingham University Hospitals, Nottingham, UK
| | - Annie Ratcliffe
- Department of Paediatrics, Taunton & Somerset NHS Foundation Trust - Musgrove Park Hospital, Taunton, UK
| | - Phil Riley
- Paediatric Rheumatology, Royal Manchester Children's Hospital, Manchester, UK
| | - Ethan Sen
- Paediatric Rheumatology, Great North Children's Hospital, Royal Victoria Infirmary, Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
| | - Arani Sridhar
- Leicester Children's Hospital, University Hospitals of Leicester NHS trust, Leicester, UK
| | - Nick Wilkinson
- Guy's & St Thomas's NHS Foundation Trust, Evelina Children's Hospital, London, UK
| | - Fiona Wood
- Department of Paediatrics, University Hospitals of Morecambe Bay NHS Foundation Trust, Royal Lancaster Infirmary, Lancaster, UK
| | - Michael W Beresford
- Department of Women's & Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, UK; Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, UK
| | - Christian M Hedrich
- Department of Women's & Children's Health, Institute of Life Course and Medical Sciences, University of Liverpool, UK; Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, UK
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15
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Zarei B, Elyasi S. Saffron nephroprotective effects against medications and toxins: A review of preclinical data. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2022; 25:419-434. [PMID: 35656071 PMCID: PMC9150802 DOI: 10.22038/ijbms.2022.61344.13570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 06/05/2022] [Indexed: 11/04/2022]
Abstract
Toxin and drug-induced nephrotoxicity (DIN) account for about 25% of all acute kidney injury cases and are associated with morbidity and increased utilization of healthcare services. No approved preventive compound is available for DIN. Saffron (Crocus sativus) has important biological properties like antioxidant and anti-inflammatory effects. The protective effects of saffron and its main constituents in different tissues including the brain, heart, liver, kidney, and lung have been confirmed against some toxic materials or drugs in animal studies. This review covers all aspects of saffron’s preventive and therapeutic effects against toxins and DIN including proposed mechanism of action, dosing schedule, and effects on renal biomarkers and histological changes. PubMed, Embase, Scopus, and Web of Science databases were searched by these search terms: “saffron” OR “Crocus sativus” OR “crocetin” OR “crocin “OR “safranal” AND “Drug induced nephrotoxicity” OR “Renal Injury” OR “Kidney Injury” OR “Nephrotoxicity”. All 25 relevant in vitro and in vivo studies up to the date of publication were included. Promising protective effects were reported particularly on aminoglycosides, cisplatin, and ethanol. Saffron and its constituents significantly prevented biochemical and histopathological changes, mediating via antioxidant, anti-apoptosis, and anti-inflammatory effects. Despite success in animal models, no human study is available in this field and further well-designed clinical trials are necessary for better judgment.
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Affiliation(s)
- Batool Zarei
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sepideh Elyasi
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran,Corresponding author: Sepideh Elyasi. Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. Tel: +98-51-31801588; Fax: +98-51-38823251;
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16
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Zhu WJ, Da YW, Chen H, Xu M, Lu Y, Di L, Duo JY. Tacrolimus treatment for relapsing-remitting chronic inflammatory demyelinating polyradiculoneuropathy: Two case reports. World J Clin Cases 2022; 10:1709-1715. [PMID: 35211613 PMCID: PMC8855276 DOI: 10.12998/wjcc.v10.i5.1709] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/05/2021] [Accepted: 01/10/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND This study describes the efficacy of a tacrolimus treatment regimen used to treat two patients with relapsing-remitting chronic inflammatory demyelinating polyradiculoneuropathy (CIDP).
CASE SUMMARY Two patients (17-year-old female and 27-year-old male) were enrolled in the current study and were followed up for 12 mo. The first patient was administered tacrolimus (2 mg/d) for 12 mo and prednisolone (40 mg/d) for six months. The second patient was administered tacrolimus (3 mg/d) for six months. Both patients were followed up for 12 mo and the degree of recurrent weakness or normalized motor function was monitored. In addition, nerve conduction studies and tacrolimus levels were recorded. Following tacrolimus treatment, both patients showed marked improvement in clinical outcomes. In the first patient, prednisolone treatment was successfully withdrawn after six months. Sensory as well as motor nerve conduction velocities showed evident recovery following treatment. However, conduction velocities did not completely return to normal, suggesting that electrophysiological recovery can be slower than clinical recovery.
CONCLUSION Neither patient exhibited any adverse effects due to the tacrolimus therapy. Therefore, tacrolimus can be effective for the treatment of patients with steroid-resistant CIDP.
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Affiliation(s)
- Wen-Jia Zhu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Yu-Wei Da
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Hai Chen
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Min Xu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Yan Lu
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Li Di
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
| | - Jian-Ying Duo
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing 100053, China
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Bingul I, Olgac V, Bekpinar S, Uysal M. The protective effect of resveratrol against cyclosporine A-induced oxidative stress and hepatotoxicity. Arch Physiol Biochem 2021; 127:551-556. [PMID: 31475571 DOI: 10.1080/13813455.2019.1659826] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The immunosuppressive agent cyclosporine A (CsA) has hepatotoxic potential. Increased reactive oxygen species (ROS) formation is among the causes leading to hepatotoxicity. This study aimed to investigate the effect of resveratrol (RES) on CsA-induced oxidative stress and hepatotoxicity in rats. Rats were treated with RES (10 mg/kg/day; i.p.) for 14 days. CsA (25 mg/kg/day; s.c.) was given during the last seven days together with RES. Serum alanine aminotransferase and aspartate aminotransferase activities together with hepatic histopathological examinations were performed. ROS, thiobarbituric acid reactive substances (TBARS), advanced oxidation protein products (AOPPs), ferric reducing antioxidant power, and glutathione levels as well as superoxide dismutase, and glutathione peroxidase activities were measured in the liver tissue. RES ameliorated histopathological changes and decreased hepatic ROS, TBARS, and AOPP levels significantly. However, antioxidant parameters did not change in CsA-treated rats. Our results indicate that RES treatment may be effective in decreasing CsA-induced oxidative stress and hepatotoxicity.
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Affiliation(s)
- Ilknur Bingul
- Department of Medical Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Vakur Olgac
- Department of Pathology, Institute of Oncology, Istanbul University, Istanbul, Turkey
| | - Seldag Bekpinar
- Department of Medical Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Mujdat Uysal
- Department of Medical Biochemistry, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey
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Zhao HN, Jiang M, Sun MJ, Dai C. The efficacy and safety of infliximab and calcineurin inhibitors in steroid-refractory UC patients: A meta-analysis. Saudi J Gastroenterol 2021; 27:191-200. [PMID: 34380865 PMCID: PMC8448007 DOI: 10.4103/sjg.sjg_145_21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
BACKGROUND Infliximab (IFX) and calcineurin inhibitors (cyclosporine [CYS] and tacrolimus [TAC]) were considered as rescue therapy in steroid-refractory ulcerative colitis (UC). The objective of our study was to perform a meta-analysis evaluating the short-term and long-term efficacy and safety of IFX and calcineurin inhibitors in steroid-refractory UC. METHODS We systematically searched the databases from inception to September 2020 that evaluated IFX, CYS, and TAC in steroid-refractory UC. The primary outcome was the response rates, remission rates, mucosal healing rates, and colectomy rates after therapy initiation. The secondary outcomes were the rates of adverse events (AE), serious adverse events (SAE), and mortality. Odds ratios (OR) with 95% confidence intervals (CIs) were calculated. RESULTS Nineteen studies comprising 1323 Acute severe ulcerative colitis (ASUC) patients were included in the meta-analysis. Among the non-randomized studies, a significantly higher therapeutic response rate was seen with IFX treatment, with a pooled OR of 3.15 (95% CI 2.26-4.40). Among non-randomized studies, IFX was associated with a significantly lower first-year OR (0.46 [95% CI 0.27-0.79]), second-year (OR 0.53 [95% CI 0.28-0.97]), third-year (OR 0.43 [95% CI 0.24-0.75]) colectomy rate. But the randomized controlled trials (RCTs) did not suggest any difference between IFX and CYS as rescue therapies for steroid-refractory UC. There were no significant differences among IFX, CYS, and TAC in the rates of AE, SAE, or mortality. CONCLUSION Our meta-analysis suggested a better treatment response rate and lower risk of colectomy in the first, second and third year, with IFX, compared with CYS in steroid-refractory UC patients. There was no significant difference among IFX and calcineurin inhibitors in AE, SAE, and mortality.
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Affiliation(s)
- Heng-Nan Zhao
- Department of Gastroenterology, First Affiliated Hospital, China Medical University, Shenyang City, Liaoning Province, China
| | - Min Jiang
- Department of Gastroenterology, First Affiliated Hospital, China Medical University, Shenyang City, Liaoning Province, China
| | - Ming-Jun Sun
- Department of Gastroenterology, First Affiliated Hospital, China Medical University, Shenyang City, Liaoning Province, China
| | - Cong Dai
- Department of Gastroenterology, First Affiliated Hospital, China Medical University, Shenyang City, Liaoning Province, China,Address for correspondence: Dr. Cong Dai, No. 92 of Beier Road, Heping District, The City of Shenyang, Liaoning Province 110001, China. E-mail:
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Avocado Seeds Relieve Oxidative Stress-Dependent Nephrotoxicity but Enhance Immunosuppression Induced by Cyclosporine in Rats. Antioxidants (Basel) 2021; 10:antiox10081194. [PMID: 34439442 PMCID: PMC8388998 DOI: 10.3390/antiox10081194] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 01/24/2023] Open
Abstract
Cyclosporine A's (CsA) immunosuppressive effect makes it an ideal drug for organ transplantation. However, CsA's uses are restricted due to its side effects. We investigated the effects of avocado seed (AvS) powder on CsA-induced nephrotoxicity and immunosuppression in rats. The injection of CsA (5 mg/kg, subcutaneously, for 10 days) increased serum levels of creatinine, uric acid, and urea, and the renal levels of the malondialdehyde. It decreased creatinine clearance and the renal activity of antioxidant enzymes (superoxide dismutase, catalase, and glutathione peroxidase) and Na+/K+ ATPase. The administration of CsA also significantly downregulated the renal expression of interferon-gamma, tumor necrosis factor-alpha, interleukin 1 beta, monocyte chemotactic protein 1, intercellular adhesion molecule-1, and vascular cell adhesion molecule 1 genes, and increased renal DNA damage. Histopathological examination confirmed the biochemical and molecular alterations that accompanied CsA nephrotoxicity. All CsA-induced deleterious effects, except immunosuppression, were ameliorated by feeding rats on a basal diet supplemented with 5% AvS powder for 4 weeks. Importantly, AvS also maximized CsA's immunosuppressive effect. These findings suggest a potential ameliorative effect of AvS on CsA-induced nephrotoxicity, and AvS enhances CsA's immunosuppressive effect. Therefore, AvS might be used in combination with CsA in transplantation treatment to relieve the CsA-induced nephrotoxicity.
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20
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Lee D, Lee S, Choi J, Song YK, Kim MJ, Shin DS, Bae MA, Kim YC, Park CJ, Lee KR, Choi JH, Seo J. Interplay among Conformation, Intramolecular Hydrogen Bonds, and Chameleonicity in the Membrane Permeability and Cyclophilin A Binding of Macrocyclic Peptide Cyclosporin O Derivatives. J Med Chem 2021; 64:8272-8286. [PMID: 34096287 DOI: 10.1021/acs.jmedchem.1c00211] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A macrocyclic peptide scaffold with well-established structure-property relationship is desirable for tackling undruggable targets. Here, we adopted a natural macrocycle, cyclosporin O (CsO) and its derivatives (CP1-3), and evaluated the impact of conformation on membrane permeability, cyclophilin A (CypA) binding, and the pharmacokinetic (PK) profile. In nonpolar media, CsO showed a similar conformation to cyclosporin A (CsA), a well-known chameleonic macrocycle, but less chameleonic behavior in a polar environment. The weak chameleonicity of CsO resulted in decreased membrane permeability; however, the more rigid conformation of CsO was not detrimental to its PK profile. CsO exhibited a higher plasma concentration than CsA, which resulted from minimal CypA binding and lower accumulation in red blood cells and moderate oral bioavailability (F = 12%). Our study aids understanding of CsO, a macrocyclic peptide that is less explored than CsA but with greater potential for diversity generation and rational design.
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Affiliation(s)
- Dongjae Lee
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Sungjin Lee
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Jieun Choi
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Yoo-Kyung Song
- Laboratory of Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Ochang 28116, Republic of Korea
| | - Min Ju Kim
- Laboratory of Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Ochang 28116, Republic of Korea
| | - Dae-Seop Shin
- Bio Platform Technology Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Myung Ae Bae
- Bio Platform Technology Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon 34114, Republic of Korea
| | - Yong-Chul Kim
- School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Chin-Ju Park
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Kyeong-Ryoon Lee
- Laboratory of Animal Resource Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Ochang 28116, Republic of Korea
| | - Jun-Ho Choi
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Jiwon Seo
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
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21
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Jurak M, Szafran K, Cea P, Martín S. Analysis of Molecular Interactions between Components in Phospholipid-Immunosuppressant-Antioxidant Mixed Langmuir Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5601-5616. [PMID: 33915045 PMCID: PMC8280729 DOI: 10.1021/acs.langmuir.1c00434] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The study of Langmuir monolayers incorporating biomimetic and bioactive substances plays an important role today in assessing the properties and quality of the molecular films for potential biomedical applications. Here, miscibility of binary and ternary monolayers of phospholipid (dioleoyl phosphatidylcholine, DOPC), immunosuppressant (cyclosporine A, CsA), and antioxidant (lauryl gallate, LG) of varying molar fractions was analyzed by means of the Langmuir technique coupled with a surface potential (ΔV) module at the air-water interface. The surface pressure-area per molecule (π-A) isotherms provided information on the physical state of the films at a given surface pressure, the monolayer packing and ordering, and the type and strength of intermolecular interactions. Surface potential-area (ΔV-A) isotherms revealed the molecular orientation changes at the interface upon compression. In addition, the apparent dipole moment of the monolayer-forming molecules was determined from the surface potential isotherms. The obtained results indicated that the film compression provoked subsequent changes of CsA conformation and/or orientation, conferring better affinity for the hydrocarbon environment. The mutual interactions between the components were analyzed here in terms of the excess and total Gibbs energy of mixing, whose values depended on the stoichiometry of the mixed films. The strongest attraction, thus the highest thermodynamic stability, was found for a DOPC-CsA-LG mixture with a 1:1:2 molar ratio. Based on these results, a molecular model for the organization of the molecules within the Langmuir film was proposed. Through this model, we elucidated the significant role of LG in improving the miscibility of CsA in the model DOPC membrane and thus in increasing the stability of self-assembled monolayers by noncovalent interactions, such as H-bonds and Lifshitz-van der Waals forces. The above 1:1:2 combination of three components is revealed as the most promising film composition for the modification of implant device surfaces to improve their biocompatibility. Further insight into mechanisms concerning drug-membrane interactions at the molecular level is provided, which results in great importance for biocoating design and development as well as for drug release at target sites.
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Affiliation(s)
- Małgorzata Jurak
- Department
of Interfacial Phenomena, Institute of Chemical Sciences, Faculty
of Chemistry, Maria Curie-Skłodowska
University, 20031 Lublin, Poland
- . Phone: +48815375547. Fax: +48815375656
| | - Klaudia Szafran
- Department
of Interfacial Phenomena, Institute of Chemical Sciences, Faculty
of Chemistry, Maria Curie-Skłodowska
University, 20031 Lublin, Poland
| | - Pilar Cea
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
- Departamento
de Química Física, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain
| | - Santiago Martín
- Instituto
de Nanociencia y Materiales de Aragón (INMA), CSIC-Universidad de Zaragoza, 50009 Zaragoza, Spain
- Departamento
de Química Física, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain
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22
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Serrya MS, Nader MA, Abdelmageed ME. Hepatoprotective effect of the tyrosine kinase inhibitor nilotinib against cyclosporine-A induced liver injury in rats through blocking the Bax/Cytochrome C/caspase-3 apoptotic signaling pathway. J Biochem Mol Toxicol 2021; 35:1-13. [PMID: 33710703 DOI: 10.1002/jbt.22764] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/07/2020] [Accepted: 03/02/2021] [Indexed: 11/09/2022]
Abstract
Cyclosporine-A (CsA) is a powerful immunosuppressive agent and hepatotoxicity results from CsA treatment. This study aimed to elucidate the effectiveness of tyrosine kinase inhibitor nilotinib against CsA-induced hepatotoxicity and the underlying molecular mechanisms. Male Sprague-Dawley rats were allocated into four groups and received drugs for 28 days as follows: Control group: received vehicle, Nilotinib group: received nilotinib (20 mg/kg orally), CsA group: received CsA by subcutaneous injection (20 mg/kg daily), CsA-nilotinib: received nilotinib and CsA. Serum lactate dehydrogenase (LDH), liver function biomarkers, hepatic levels of oxidative stress biomarkers, nuclear factor erythroid-2 like-2 (Nrf2), total antioxidant capacity (TAC), interleukin-2 (IL-2), IL-1β, IL-6, and cytochrome-C were assessed. Additionally, the protein levels and mRNA expression of Bcl2 associated X protein (Bax), caspase-3, nuclear factor-κB (NF-κB), hemoxygenase-1 (HO-1) were measured. Moreover, liver tissues were assessed histopathologically using hematoxylin-eosin and Masson trichrome stain. Nilotinib treatment decreased serum LDH, alanine aminotransferase, aspartate aminotransferase, and γ-glutamyltransferase (γ-GT), hepatic malondialdehyde, and cytochrome-C. It also increased superoxide dismutase, reduced glutathione, glutathione reductase, glutathione peroxidase, glutathione-S-transferase (GST), TAC, and Nrf2 compared to CsA-injected rats. In addition, nilotinib decreased NF-κB, IL-1β, IL-6, Bax, and caspase-3, while elevated IL-2 and immunoexpression of HO-1. Additionally, mRNA expression of Bax and caspase-3 was elevated and that of HO-1 and inhibitory protein κB-α was reduced in the nilotinib-treated group. Moreover, nilotinib significantly attenuated CsA-induced histopathological alterations. Nilotinib may have a promising role as a hepato-protective through its antiapoptotic, antioxidant, and anti-inflammatory effects.
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Affiliation(s)
- Marwa S Serrya
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Manar A Nader
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Marwa E Abdelmageed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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23
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Niazi M, Shirpoor A, Taghizadeh Afshari A, Naderi R, Bagheri M, Pourjabali M, Rasmi Y. Cyclosporine A induces kidney dysfunction by the alteration of molecular mediators involved in slit diaphragm regulation and matrix metalloproteins: the mitigating effect of curcumin. Expert Opin Drug Metab Toxicol 2020; 16:1223-1231. [PMID: 32905741 DOI: 10.1080/17425255.2020.1822323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
BACKGROUND This research aimed at investigating the cyclosporine A intake impact with/without curcumin on podocyte protein gene expressions and matrix metalloproteins (MMPs) changes in rat kidney. METHODS Thirty-two Wistar male rats were assigned to the control, sham, cyclosporine A, and cyclosporine A with curcumin groups. RESULTS A significant increase was observed in CD2AP, ACTN4, podocin and also MMP9 and 2, cystatin C levels in the cyclosporine A group following treatment for four weeks, whereas a decrease was found in nephrin gene expression than the control group. In addition, a significant reduction was observed in the cyclosporine A group in glomerular filtration rate (GFR), urine creatinine, and increased plasma creatinine levels than the control group. Using curcumin plus cyclosporine A ameliorated gene expression alterations and increased the reduced amount of GFR, urine urea, and creatinine while reducing the increased plasma cystatine C, urea, and creatinine levels compared with the cyclosporine A group. CONCLUSION Accordingly, cyclosporine A-induced kidney abnormalities are possibly associated with changes in podocyte intra- and extra-cellular protein gene expression that influence the quality of filtrated fluid via altering the foot process shape and slit diaphragm size. Finally, such impacts are reduced via curcumin as an antioxidant and anti-inflammatory compound.
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Affiliation(s)
- Mona Niazi
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran.,Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia, Iran
| | - Alireza Shirpoor
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran.,Department of Physiology, Faculty of Medicine, Urmia University of Medical Sciences , Urmia, Iran
| | - Ali Taghizadeh Afshari
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran
| | - Roya Naderi
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran
| | - Morteza Bagheri
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran
| | - Masoumeh Pourjabali
- Nephrology and Kidney Transplant Research Center, Urmia University of Medical Sciences , Urmia, Iran
| | - Yousef Rasmi
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences , Urmia, Iran
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24
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Shayan M, Elyasi S. Cilastatin as a protective agent against drug-induced nephrotoxicity: a literature review. Expert Opin Drug Saf 2020; 19:999-1010. [PMID: 32666842 DOI: 10.1080/14740338.2020.1796967] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Cilastatin, a dehydropeptidase I inhibitor, has been used alongside imipenem, a broad spectrum antibiotic, in order to reduce its renal metabolism, consequently increasing its urinary recovery and effectiveness for many years. However, this measure could be useful in preventing imipenem-induced renal damage and decreasing the number of nephrotoxicity reports with imipenem. In this review, the authors gathered all available studies focusing on cilastatin use as a nephroprotective agent, beside well-known nephrotoxic medications like vancomycin, cisplatin, cyclosporine, or tacrolimus. AREAS COVERED PubMed, Scopus, Google Scholar, and Medline databases were searched using key words like 'cilastatin,' 'nephroprotective,' 'nephroprotection,' 'vancomycin,' 'nephrotoxicity,' 'cisplatin,' 'cyclosporine,' 'tacrolimus,' and 'prevention' with varying combinations. All relevant animal and human studies up to the date of publication were included. EXPERT OPINION It seems that cilastatin could potentially be effective against drug-induced nephrotoxicity via mechanisms such as reducing reactive oxygen species (ROS) production, apoptosis, P-glycoprotein suppression, and morphological changes of renal cells. Nearly all the in vitro, in vivo and human studies have supported this hypothesis. Though since cilastatin protective effect has not extensively been researched in humans, its efficacy and widespread use with other nephrotoxic agents is yet to be defined in large well-designed human studies.
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Affiliation(s)
- Mersedeh Shayan
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences , Mashhad, Iran
| | - Sepideh Elyasi
- Department of Clinical Pharmacy, School of Pharmacy, Mashhad University of Medical Sciences , Mashhad, Iran
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25
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Chen L, Song Q, Chen Y, Meng S, Zheng M, Huang J, Zhang Q, Jiang J, Feng J, Chen H, Jiang G, Gao X. Tailored Reconstituted Lipoprotein for Site-Specific and Mitochondria-Targeted Cyclosporine A Delivery to Treat Traumatic Brain Injury. ACS NANO 2020; 14:6636-6648. [PMID: 32464051 DOI: 10.1021/acsnano.9b09186] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The secondary damage in traumatic brain injury (TBI) can lead to lifelong disabilities, bringing enormous economic and psychological burden to patients and their families. Mitochondria, as the core mediator of the secondary injury cascade reaction in TBI, is an important target to prevent the spread of cell death and dysfunction. Thus, therapeutics that can accumulate at the damaged sites and subsequently rescue the functions of mitochondria would largely improve the outcome of TBI. Cyclosporine A (CsA), which can maintain the integrity of mitochondrial function, is among the most promising neuroprotective therapeutics for TBI treatment. However, the clinical application of CsA in TBI is largely hindered because of its poor access to the targets. Here, to realize targeted intracellular CsA delivery, we designed a lipoprotein biomimetic nanocarrier by incorporating CsA in the core and decorating a matrix metalloproteinase-9 activatable cell-penetrating peptide onto the surface of the lipoprotein-mimic nanocarrier. This CsA-loaded tailored reconstituted lipoprotein efficiently accumulated at the damaged brain sites, entered the target cells, bound to the membrane of mitochondria, more efficiently reduced neuronal damage, alleviated neuroinflammation, and rescued memory deficits at the dose 1/16 of free CsA in a controlled cortical impact injury mice model. The findings provide strong evidence that the secondary damages in TBI can be well controlled through targeted CsA delivery and highlight the potential of a lipoprotein biomimetic nanocarrier as a flexible nanoplatform for the management of TBI.
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Affiliation(s)
- Lepei Chen
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Qingxiang Song
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Yaoxing Chen
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Shuang Meng
- Core Facility of Basic Medical Sciences, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Mengna Zheng
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Jialin Huang
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
- Department of Neurological Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 Dongfang Road, Shanghai 200127, China
| | - Qian Zhang
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Jiyao Jiang
- Department of Neurological Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 Dongfang Road, Shanghai 200127, China
| | - Junfeng Feng
- Department of Neurological Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 1630 Dongfang Road, Shanghai 200127, China
| | - Hongzhuan Chen
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
- Institute of Interdisciplinary Integrative Biomedical Research, Shuguang Hospital, Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai 201210, China
| | - Gan Jiang
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
| | - Xiaoling Gao
- Department of Pharmacology and Chemical Biology, State Key Laboratory of Oncogenes and Related Genes, Shanghai Universities Collaborative Innovation Center for Translational Medicine, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai 200025, China
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26
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Khattab HH, Mansoury MM. Costus afer
leaf extract protects against testicle damage caused by cyclosporine A in adult male Wistar rats through an antioxidant mechanism. Andrologia 2020; 52:e13561. [DOI: 10.1111/and.13561] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/26/2020] [Accepted: 02/08/2020] [Indexed: 12/15/2022] Open
Affiliation(s)
- Hala H.A. Khattab
- Department of Food and Nutrition Faculty of Home Economics King Abdulaziz University Jeddah Saudi Arabia
- Nutrition and Food Science Department Faculty of Home Economics Helwan University Helwan Egypt
| | - Manal M.S. Mansoury
- Department of Food and Nutrition Faculty of Home Economics King Abdulaziz University Jeddah Saudi Arabia
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27
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Liang X, Chen B, Wang P, Ge Y, Malhotra DK, Dworkin LD, Liu Z, Gong R. Triptolide potentiates the cytoskeleton-stabilizing activity of cyclosporine A in glomerular podocytes via a GSK3β dependent mechanism. Am J Transl Res 2020; 12:800-812. [PMID: 32269713 PMCID: PMC7137037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Accepted: 03/03/2020] [Indexed: 06/11/2023]
Abstract
Tripterygium wilfordii Hook F. (TwHF) is a traditional Chinese herb and has a broad spectrum of biological functions including immunosuppression and anti-inflammatory effects. When used in combination with other standard of care medications, such as glucocorticoids and calcineurin inhibitors like cyclosporine A, for treating glomerular diseases, TwHF demonstrates a remarkable dose-sparing effect, the molecular mechanism for which remains largely unknown. In an in vitro model of podocytopathy elicited by a diabetic milieu, triptolide, the major active component of TwHF, at low doses, potentiated the beneficial effect of cyclosporine A, and protected podocytes against diabetic milieu-elicited injury, mitigated cytoskeleton derangement, and preserved podocyte filtration barrier function, entailing a synergistic cytoskeleton-preserving and podocyte protective effect of triptolide and cyclosporine A. Mechanistically, inhibitory phosphorylation of GSK3β, a key molecule recently implicated as a convergence point of podocytopathic pathways, is likely required for the synergistic effect of triptolide and cyclosporine A on podocyte protection, because the synergistic effect was largely blunted in cells expressing the constitutively active GSK3β. Ergo, a synergistic podocyte cytoskeleton-stabilizing mechanism seems to underlie the cyclosporine A-sparing effect of triptolide in glomerulopathies. Combined triptolide and cyclosporine A therapy at reduced doses may be an invaluable regimen for treating diabetic nephropathy.
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Affiliation(s)
- Xianhui Liang
- Blood Purification Center, Institute of Nephrology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
| | - Bohan Chen
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
- Division of Nephrology, Department of Medicine, University of Toledo College of MedicineToledo, Ohio, USA
| | - Pei Wang
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
| | - Yan Ge
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
- Division of Nephrology, Department of Medicine, University of Toledo College of MedicineToledo, Ohio, USA
| | - Deepak K Malhotra
- Division of Nephrology, Department of Medicine, University of Toledo College of MedicineToledo, Ohio, USA
| | - Lance D Dworkin
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
- Division of Nephrology, Department of Medicine, University of Toledo College of MedicineToledo, Ohio, USA
| | - Zhangsuo Liu
- Blood Purification Center, Institute of Nephrology, The First Affiliated Hospital of Zhengzhou UniversityZhengzhou, China
| | - Rujun Gong
- Division of Kidney Disease and Hypertension, Department of Medicine, Rhode Island Hospital, Brown University School of MedicineProvidence, Rhode Island, USA
- Division of Nephrology, Department of Medicine, University of Toledo College of MedicineToledo, Ohio, USA
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28
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Szemes K, Soós A, Hegyi P, Farkas N, Erős A, Erőss B, Mezősi E, Szakács Z, Márta K, Sarlós P. Comparable Long-Term Outcomes of Cyclosporine and Infliximab in Patients With Steroid-Refractory Acute Severe Ulcerative Colitis: A Meta-Analysis. Front Med (Lausanne) 2020; 6:338. [PMID: 32039218 PMCID: PMC6985460 DOI: 10.3389/fmed.2019.00338] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 12/23/2019] [Indexed: 12/28/2022] Open
Abstract
Background: In steroid-refractory acute severe ulcerative colitis (ASUC), cyclosporine (CYS) or infliximab (IFX) may be considered as a second-line alternative to avoid colectomy. There are short-term data reported, but until now, there is no meta-analysis regarding long-term outcomes of CYS and IFX in patients with ASUC. Aim: To compare long-term efficacy and safety of CYS and IFX in a meta-analysis. Methods: Three electronic databases (PubMed, Embase, Cochrane Central Register of Controlled Trials) were searched for studies which compared CYS vs. IFX in adults with ASUC. Long-term colectomy-free rate from 1 to 10 years during CYS or IFX therapy was collected, last updated up to 22nd May 2019. Primary outcome was long-term colectomy-free rate, secondary outcomes were adverse events (AE), serious adverse events (SAE), and mortality. Long-term colectomy-free survival and safety measures were pooled with the random-effect model. Odds ratios (OR) with 95% confidence intervals (CI) were calculated. Results: Data from 1,607 patients in 15 trials were extracted. In the first 3 years, pooled OR for colectomy-free survival was higher with IFX than with CYS (OR = 1.59, 95% CI: 1.11–2.29, p = 0.012; OR = 1.57, 95% CI: 1.14–2.18, p = 0.006; and OR = 1.75, 95% CI: 1.08–2.84, p = 0.024; at 1, 2, and 3 years, respectively). However, the significant difference remained undetected from the fourth year of follow-up and in subgroup of RCTs (OR = 1.35, 95% CI: 0.90–2.01, p = 0.143; OR = 1.41, 95% CI: 0.94–2.12, p = 0.096; and OR = 1.34, 95% CI: 0.89–2.00, p = 0.157; at 1, 2, and 3 years, respectively). No significant difference was detected regarding adverse events, serious adverse events and mortality between the groups. The neutral associations proved to be underpowered with trial sequential analysis. Conclusion: However observational studies show IFX as a better choice, according to the RCTs, choosing either CYS or IFX as rescue therapy for ASUC, the long-term outcomes are not different, although further large RCTs are warranted.
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Affiliation(s)
- Kata Szemes
- First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Alexandra Soós
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.,Doctoral School of Clinical Medicine, University of Szeged, Szeged, Hungary
| | - Péter Hegyi
- First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary.,Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.,János Szentágothai Research Centre, University of Pécs, Pécs, Hungary.,Momentum Gastroenterology Multidisciplinary Research Group, Hungarian Academy of Sciences, University of Szeged, Szeged, Hungary
| | - Nelli Farkas
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.,Institute of Bioanalysis, Medical School, University of Pécs, Pécs, Hungary
| | - Adrienn Erős
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Bálint Erőss
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Emese Mezősi
- First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary
| | - Zsolt Szakács
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.,János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Katalin Márta
- Institute for Translational Medicine, Medical School, University of Pécs, Pécs, Hungary.,János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
| | - Patrícia Sarlós
- First Department of Medicine, Medical School, University of Pécs, Pécs, Hungary.,János Szentágothai Research Centre, University of Pécs, Pécs, Hungary
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29
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Thomas MG, Bayliss C, Bond S, Dowling F, Galea J, Jairath V, Lamb C, Probert C, Timperley-Preece E, Watson A, Whitehead L, Williams JG, Parkes M, Kaser A, Raine T. Trial summary and protocol for a phase II randomised placebo-controlled double-blinded trial of Interleukin 1 blockade in Acute Severe Colitis: the IASO trial. BMJ Open 2019; 9:e023765. [PMID: 30772849 PMCID: PMC6398753 DOI: 10.1136/bmjopen-2018-023765] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
INTRODUCTION Acute severe ulcerative colitis (ASUC) is a severe manifestation of ulcerative colitis (UC) that warrants hospitalisation. Despite significant advances in therapeutic options for UC and in the medical management of steroid-refractory ASUC, the initial treatment paradigm has not changed since 1955 and is based on the use of intravenous corticosteroids. This treatment is successful in approximately 50% of patients but failure of this and subsequent medical therapy still occurs, with colectomy rates of up to 40% reported. The Interleukin 1 (IL-1) blockade in Acute Severe Colitis (IASO) trial aims to investigate whether antagonism of IL-1 signalling using anakinra in addition to intravenous corticosteroid treatment can improve outcomes in patients with ASUC. METHODS AND ANALYSIS IASO is a phase II, multicentre, two-arm (parallel group), randomised (1:1), placebo-controlled, double-blinded trial of short-duration anakinra in ASUC. Its primary outcome will be the incidence of medical (eg, infliximab/ciclosporin) or surgical rescue therapy (colectomy) within 10 days following the commencement of intravenous corticosteroid therapy. Secondary outcomes will include disease activity, time to clinical response, time to rescue therapy, colectomy incidence by day 98 post intravenous corticosteroids and safety. The trial aims to recruit 214 patients across 20 sites in the UK. ETHICS AND DISSEMINATION The trial has received approval from the Cambridge Central Research Ethics Committee (Ref: 17/EE/0347), the Health Research Authority (Ref: 201505) and Clinical Trials Authorisation from the Medicines and Healthcare products Regulatory Agency. We plan to present trial findings at scientific conferences and publish in high-impact peer-reviewed journals. TRIAL REGISTRATION NUMBER ISRCTN43717130; EudraCT 2017-001389-10.
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Affiliation(s)
| | | | - Simon Bond
- Cambridge Clinical Trials Unit, Cambridge, UK
- MRC Biostatistics Unit, Cambridge, UK
| | | | | | - Vipul Jairath
- Division of Gastroenterology, Department of Medicine, Western University, London, Ontario, Canada
- Division of Epidemiology and Biostatistics, Western University, London, Ontario, Canada
| | - Christopher Lamb
- Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, UK
- Department of Gastroenterology, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
| | | | | | - Alastair Watson
- Department of Gastroenterology, University of East Anglia, Norwich, UK
| | - Lynne Whitehead
- Clinical Trials Pharmacy Department, Addenbrooke's Hospital, Cambridge, UK
| | | | - Miles Parkes
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Addenbrooke's Hospital, Cambridge Biomedical Campus, Cambridge, UK
- Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS FoundationTrust, Cambridge, UK
| | - Arthur Kaser
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Addenbrooke's Hospital, Cambridge Biomedical Campus, Cambridge, UK
- Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS FoundationTrust, Cambridge, UK
| | - Tim Raine
- Division of Gastroenterology and Hepatology, Department of Medicine, University of Cambridge, Addenbrooke's Hospital, Cambridge Biomedical Campus, Cambridge, UK
- Department of Gastroenterology, Addenbrooke's Hospital, Cambridge University Hospitals NHS FoundationTrust, Cambridge, UK
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Pradhan J, Mohanty C, Sahoo SK. Protective efficacy of crocetin and its nanoformulation against cyclosporine A-mediated toxicity in human embryonic kidney cells. Life Sci 2018; 216:39-48. [PMID: 30444987 DOI: 10.1016/j.lfs.2018.11.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 10/23/2018] [Accepted: 11/12/2018] [Indexed: 01/15/2023]
Abstract
AIM This study is aimed to formulate crocetin-loaded lipid Nanoparticles (NPs) and to evaluate its antioxidant properties in a cyclosporine A-mediated toxicity in Human Embryonic Kidney (HEK-293) cells in vitro. MAIN METHODS Crocetin-loaded NPs were prepared followed by physicochemical characterization. In vitro protective efficacy of crocetin and crocetin loaded NPs was investigated in cyclosporine A-mediated toxicity in HEK-293 cells by assessing free radical scavenging, DNA Nicking, cytotoxicity, intracellular Reactive oxygen species (ROS) inhibition, Mitochondrial membrane potential (MMPs) loss and evaluating the activity and expression of antioxidant enzymes and non-enzyme level. Further, we have studied the mechanism of protective activity of crocetin either native or in NPs by studying the expression of phase II detoxifying proteins (HO-1) via Nrf2 mediated regulation. KEY FINDINGS Our results showed that pretreatment with crocetin and crocetin-loaded NPs attenuated the cyclosporine A-mediated toxicity, ROS production and exhibited enhance free radical scavenging ability and cytoprotective activity. Further, the treatment prevented MMPs loss by directly scavenging the ROS and restored the antioxidant enzyme network with normalization of heme oxygenase-1 (HO-1) expression by inhibiting nuclear translocation of Nrf2. SIGNIFICANCE Pretreatment of crocetin and crocetin-loaded NPs provided pronounce protective effect against cyclosporine A-mediated toxicity in HEK-293 cells by nullifying the ROS formation and restored antioxidant network through inhibition of Nrf2 translocation and followed by expression of HO-1. Such an approach may be anticipated to be beneficial for antioxidant therapy.
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Affiliation(s)
- Jyotsnarani Pradhan
- Institute of Life Sciences, Bhubaneswar, Odisha, India; P.G. Department of Biotechnology, Utkal University, Bhubaneswar, Odisha, India
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31
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Piotrowski M, Jantas D, Leśkiewicz M, Szczepanowicz K, Warszyński P, Lasoń W. Polyelectrolyte-coated nanocapsules containing cyclosporine A protect neuronal-like cells against oxidative stress-induced cell damage. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Mechanism of cyclosporine A nephrotoxicity: Oxidative stress, autophagy, and signalings. Food Chem Toxicol 2018; 118:889-907. [DOI: 10.1016/j.fct.2018.06.054] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 06/21/2018] [Accepted: 06/22/2018] [Indexed: 12/16/2022]
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33
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Amraoui W, Adjabi N, Bououza F, Boumendjel M, Taibi F, Boumendjel A, Abdennour C, Messarah M. Modulatory Role of Selenium and Vitamin E, Natural Antioxidants, against Bisphenol A-Induced Oxidative Stress in Wistar Albinos Rats. Toxicol Res 2018; 34:231-239. [PMID: 30057697 PMCID: PMC6057295 DOI: 10.5487/tr.2018.34.3.231] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 04/26/2018] [Accepted: 04/30/2018] [Indexed: 01/14/2023] Open
Abstract
Bisphenol A, an everywhere chemical, is applied as a plasticizer in polycarbonate plastics, which often used in our everyday products and in epoxy resins as protective coatings and linings for food and beverage cans for decades. Human exposure to BPA may lead to adverse effects by interfering with oestrogen receptors. Our present study was conducted to investigate the protective effects of selenium (Se) and vitamin E (Vit E) on BPA-induced damage in the liver of male rats. Animals were randomly divided into four groups: the first group received olive oil and served as control. The second group received both (Se + Vit E) (0.5 mg/kg diet; 100 mg/kg of diet). The third one treated orally by (10 mg/kg b.w.) of BPA. The last group received (Se + Vit E) (0.5 mg/kg diet; 100 mg/kg of diet) concomitantly with (10 mg/kg b.w.) BPA. Exposure to BPA for three weeks engendered a hepatic disorder. An increased AST and ALT enzymatic activity was noticed in BPA-treated group as compared to other groups. Furthermore, a change in glucose, cholesterol, LDL-C, HDL-C, albumin, and bilirubin level was remarkable. Moreover, exposure to BPA increased malondialdehyde levels while reduced gluthatione content was decreased in the liver homogenate. A decrease in glutathione peroxidase, glutathione s-transferase and catalase activities was observed in the same group. Administration of selenium and vitamin E through the diet in BPA treated rats ameliorated the biochemical parameters cited above. In addition, an improvement in activities of liver enzymes was recorded. The histological findings confirmed the biochemical results. The model of this study that we employed characterized the relationships between BPA-induced hepatotoxicity and its alleviation by natural antioxidants like selenium and vitamin E.
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Affiliation(s)
- Wahiba Amraoui
- Laboratory of Biochemistry and Environmental Toxicology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
- Laboratory of Animal Ecophysiology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Nesrine Adjabi
- Laboratory of Animal Ecophysiology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Fatiha Bououza
- Laboratory of Animal Ecophysiology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Mahieddine Boumendjel
- Laboratory of Biochemistry and Environmental Toxicology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Faiza Taibi
- Laboratory of Biochemistry and Environmental Toxicology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Amel Boumendjel
- Laboratory of Biochemistry and Environmental Toxicology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Cherif Abdennour
- Laboratory of Animal Ecophysiology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
| | - Mahfoud Messarah
- Laboratory of Biochemistry and Environmental Toxicology, Faculty of Sciences, Badji Mokhtar University, Annaba,
Algeria
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34
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Takeda A, Yamada H, Hasegawa E, Arima M, Notomi S, Myojin S, Yoshimura T, Hisatomi T, Enaida H, Yanai R, Kimura K, Ishibashi T, Sonoda KH. Crucial role of P2X 7 receptor for effector T cell activation in experimental autoimmune uveitis. Jpn J Ophthalmol 2018; 62:398-406. [PMID: 29572578 DOI: 10.1007/s10384-018-0587-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 03/05/2018] [Indexed: 12/23/2022]
Abstract
PURPOSE To investigate the roles of P2X7 receptors (P2RX7) in the pathogenesis of experimental autoimmune uveoretinitis (EAU). STUDY DESIGN Experimental. METHODS Either wild-type (P2rx7 +/+ ) or P2rx7-deficient (P2rx7 -∕- ) mice were immunized with interphotoreceptor retinoid-binding protein (IRBP) peptide 1-20. Severity of EAU was evaluated clinically and histopathologically. The induction of IRBP-specific proliferation and cytokines in draining lymph nodes was assessed by enzyme-linked immunosorbent assays (ELISA). The frequency of activation markers was examined by flow cytometry. Furthermore, inhibitory roles of systemic administration of Brilliant Blue G (BBG), an antagonist for P2RX7, in EAU were also assessed in the wild-type mice. RESULTS The severity of EAU in P2rx7 -∕- mice was reduced as compared with that in P2rx7 +/+ mice, both clinically and histopathologically. IRBP-specific proliferation in P2rx7 -∕- on day 16 was slightly decreased compared to that in P2rx7 +/+ mice. The induction of IRBP-specific interferon (IFN)-γ and interleukin (IL)-17 in P2rx7 -∕- mice on day 16 was lower than that in P2rx7 +/+ mice. The up-regulation of surface expression of activation markers such as CD25, CD44, and CD69 in response to TCR stimulation in P2rx7 -∕- mice was decreased as compared with that in P2rx7 +/+ mice. Furthermore, neutralization of P2RX7 in vivo by BBG suppressed EAU clinically and histopathologically. IRBP-specific IFN-γ and IL-17 induction in BBG-treated mice was significantly lower than that in vehicle-treated mice. CONCLUSION The results suggest that P2RX7 is a novel preventative therapeutic target for uveitis as it suppresses the effector functions of both Th1 and Th17 cell responses.
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Affiliation(s)
- Atsunobu Takeda
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan. .,Clinical Research Center, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan.
| | - Hisakata Yamada
- Division of Host Defense, Research Center for Prevention of Infectious Diseases, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan.,Clinical Research Center, National Hospital Organization, Kyushu Medical Center, Fukuoka, Japan
| | - Eiichi Hasegawa
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Mitsuru Arima
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Shoji Notomi
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Sayaka Myojin
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Takeru Yoshimura
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Toshio Hisatomi
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Hiroshi Enaida
- Department of Ophthalmology, Faculty of Medicine, Saga University, Saga, Saga, Japan
| | - Ryoji Yanai
- Department of Ophthalmology, Graduate School of Medicine, Yamaguchi University, Ube, Yamaguchi, Japan
| | - Kazuhiro Kimura
- Department of Ophthalmology, Graduate School of Medicine, Yamaguchi University, Ube, Yamaguchi, Japan
| | - Tatsuro Ishibashi
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
| | - Koh-Hei Sonoda
- Department of Ophthalmology, Graduate School of Medical Science, Kyushu University, Fukuoka, Japan
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35
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Kambli L, Bhatt LK, Oza M, Prabhavalkar K. Novel therapeutic targets for epilepsy intervention. Seizure 2017; 51:27-34. [DOI: 10.1016/j.seizure.2017.07.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 07/23/2017] [Accepted: 07/24/2017] [Indexed: 12/11/2022] Open
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36
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Braun R, Holler E, Wolff D, Helbig H, Blecha C, Dietrich-Ntoukas T. [Bilateral ciliary body oedema under treatment with ciclosporine]. Ophthalmologe 2017; 115:55-58. [PMID: 28251308 DOI: 10.1007/s00347-017-0475-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We present the case of a 27-year-old female patient who developed bilateral ciliary body edema with secondary glaucoma and myopic shift during systemic treatment with cyclosporine for aplastic anemia. After application of topical atropine and prednisolone acetate and conversion from cyclosporine to tacrolimus, the ophthalmologic symptoms resolved completely. Since an infectious etiology was not evident, we hypothesize that ciliary body edema was caused by impairment of microvascular integrity by cyclosporine.
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Affiliation(s)
- R Braun
- Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.
| | - E Holler
- Klinik und Poliklinik für Innere Medizin III, Universitätsklinikum Regensburg, Regensburg, Deutschland
| | - D Wolff
- Klinik und Poliklinik für Innere Medizin III, Universitätsklinikum Regensburg, Regensburg, Deutschland
| | - H Helbig
- Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - C Blecha
- Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland
| | - T Dietrich-Ntoukas
- Klinik und Poliklinik für Augenheilkunde, Universitätsklinikum Regensburg, Franz-Josef-Strauß-Allee 11, 93053, Regensburg, Deutschland.,Klinik für Augenheilkunde, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
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37
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Venkateswarlu K, Heerasingh T, Babu CN, Triveni S, Manasa S, Babu TNB. Preclinical evaluation of nephroprotective potential of a probiotic formulation LOBUN on Cyclosporine-A induced renal dysfunction in Wistar rats. BRAZ J PHARM SCI 2017. [DOI: 10.1590/s2175-97902017000216041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
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38
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Gueroui M, Kechrid Z. Evaluation of Some Biochemical Parameters and Brain Oxidative Stress in Experimental Rats Exposed Chronically to Silver Nitrate and the Protective Role of Vitamin E and Selenium. Toxicol Res 2016; 32:301-309. [PMID: 27818732 PMCID: PMC5080859 DOI: 10.5487/tr.2016.32.4.301] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 08/14/2016] [Accepted: 08/18/2016] [Indexed: 01/14/2023] Open
Abstract
Due to undesirable hazardous interactions with biological systems, this investigation was undertaken to evaluate the effect of chronic exposure to silver on certain biochemical and some oxidative stress parameters with histopathological examination of brain, as well as the possible protective role of selenium and/or vitamin E as nutritional supplements. Thirty six male rats were divided into six groups of six each: the first group used as a control group. Group II given both vitamin E (400 mg/kg) of diet and selenium (Se) (1 mg/L) in their drinking water. Group III given silver as silver nitrate (AgNO3) (20 mg/L). Group IV given vitamin E and AgNO3. Group V given both AgNO3 and selenium. Group VI given AgNO3, vitamin E and Se. The animals were in the same exposure conditions for 3 months. According to the results which have been obtained; there was an increase in serum lactate dehydrogenase (LDH), lipase activities and cholesterol level, a decrease in serum total protein, calcium and alkaline phosphatase (ALP) activity in Ag-intoxicated rats. Moreover, the findings showed that Ag+ ions affected antioxidant defense system by decreasing superoxide dismutase (SOD) activity and increasing vitamin E concentration with a high level of malondialdehyde (MDA) in brain tissue. The histological examination also exhibited some nervous tissue alterations including hemorrhage and cytoplasm vacuolization. However, the co-administration of selenium and/or vitamin E ameliorated the biochemical parameters and restored the histological alterations. In conclusion, this study indicated that silver could cause harmful effects in animal body and these effects can be more toxic in high concentrations or prolonged time exposure to this metal. However, selenium and vitamin E act as powerful antioxidants which may exercise adverse effect against the toxicity of this metal.
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Affiliation(s)
- Mouna Gueroui
- Laboratory of Applied Biochemistry and Microbiology, Department of Biochemistry, Science faculty, Badji Mokhtar University, BP 12 Sidi Amar, Annaba, Algeria
| | - Zine Kechrid
- Laboratory of Applied Biochemistry and Microbiology, Department of Biochemistry, Science faculty, Badji Mokhtar University, BP 12 Sidi Amar, Annaba, Algeria
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39
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Said Elshama S, Osman HEH, El-Kenawy AEM. Renoprotective Effects of Naringenin and Olive Oil against Cyclosporine- Induced Nephrotoxicity in Rats. IRANIAN JORNAL OF TOXICOLOGY 2016. [DOI: 10.29252/arakmu.10.5.27] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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40
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Folda A, Citta A, Scalcon V, Calì T, Zonta F, Scutari G, Bindoli A, Rigobello MP. Mitochondrial Thioredoxin System as a Modulator of Cyclophilin D Redox State. Sci Rep 2016; 6:23071. [PMID: 26975474 PMCID: PMC4791683 DOI: 10.1038/srep23071] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Accepted: 02/25/2016] [Indexed: 01/25/2023] Open
Abstract
The mitochondrial thioredoxin system (NADPH, thioredoxin reductase, thioredoxin) is a major redox regulator. Here we have investigated the redox correlation between this system and the mitochondrial enzyme cyclophilin D. The peptidyl prolyl cis-trans isomerase activity of cyclophilin D was stimulated by the thioredoxin system, while it was decreased by cyclosporin A and the thioredoxin reductase inhibitor auranofin. The redox state of cyclophilin D, thioredoxin 1 and 2 and peroxiredoxin 3 was measured in isolated rat heart mitochondria and in tumor cell lines (CEM-R and HeLa) by redox Western blot analysis upon inhibition of thioredoxin reductase with auranofin, arsenic trioxide, 1-chloro-2,4-dinitrobenzene or after treatment with hydrogen peroxide. A concomitant oxidation of thioredoxin, peroxiredoxin and cyclophilin D was observed, suggesting a redox communication between the thioredoxin system and cyclophilin. This correlation was further confirmed by i) co-immunoprecipitation assay of cyclophilin D with thioredoxin 2 and peroxiredoxin 3, ii) molecular modeling and iii) depleting thioredoxin reductase by siRNA. We conclude that the mitochondrial thioredoxin system controls the redox state of cyclophilin D which, in turn, may act as a regulator of several processes including ROS production and pro-apoptotic factors release.
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Affiliation(s)
- Alessandra Folda
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Anna Citta
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Valeria Scalcon
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Tito Calì
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Francesco Zonta
- Shangai Institute for Advanced Immunochemical Studies (SIAIS), ShanghaiTech University, No. 99 Haike Road, Pudong, Shanghai 201210, China
| | - Guido Scutari
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
| | - Alberto Bindoli
- Institute of Neuroscience (CNR), viale G. Colombo 3, 35131 Padova, Italy
| | - Maria Pia Rigobello
- Department of Biomedical Sciences, University of Padova, via Ugo Bassi 58/b, 35131 Padova, Italy
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41
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Histopathological Study of Cyclosporine Pulmonary Toxicity in Rats. J Toxicol 2016; 2016:2973274. [PMID: 26941796 PMCID: PMC4749835 DOI: 10.1155/2016/2973274] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 01/04/2016] [Accepted: 01/10/2016] [Indexed: 11/17/2022] Open
Abstract
Cyclosporine is considered one of the common worldwide immunosuppressive drugs that are used for allograft rejection prevention. However, articles that address adverse effects of cyclosporine use on the vital organs such as lung are still few. This study aims to investigate pulmonary toxic effect of cyclosporine in rats by assessment of pulmonary histopathological changes using light and electron microscope examination. Sixty male adult albino rats were divided into three groups; each group consists of twenty rats. The first received physiological saline while the second and third groups received 25 and 40 mg/kg/day of cyclosporine, respectively, by gastric gavage for forty-five days. Cyclosporine reduced the lung and body weight with shrinkage or pyknotic nucleus of pneumocyte type II, degeneration of alveoli and interalveolar septum beside microvilli on the alveolar surface, emphysema, inflammatory cellular infiltration, pulmonary blood vessels congestion, and increase of fibrous tissues in the interstitial tissues and around alveoli with negative Periodic Acid-Schiff staining. Prolonged use of cyclosporine induced pulmonary ultrastructural and histopathological changes with the lung and body weight reduction depending on its dose.
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42
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El-Sherbeeny NA, Nader MA. The protective effect of vildagliptin in chronic experimental cyclosporine A-induced hepatotoxicity. Can J Physiol Pharmacol 2016; 94:251-6. [DOI: 10.1139/cjpp-2015-0336] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The study examined the effect of dipeptidyl peptidase-4 (DPP-4) inhibitor, vildagliptin, in cyclosporine (CsA)-induced hepatotoxicity. Rats were divided into 4 groups treated for 28 days: control (vehicle), vildagliptin (10 mg/kg, orally), CsA (20 mg/kg, s.c.), and CsA-vildagliptin group. Liver function was assessed by measuring serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), gamma glutamyltransferase (γGT), lactate dehydrogenase (LDH), and albumin, and histopathological changes of liver were examined. Oxidative stress markers were evaluated. Assessment of nuclear factor-kappa B (NF-κB) activity in hepatic nuclear extract, serum DPP-4, and expression of Bax and Bcl2 were also done. CsA-induced hepatotoxicity was evidenced by increase in serum levels of AST, ALT, and γGT; a decrease in serum albumin; and a significant alteration in hepatic architecture. Also, significant increase in thiobarbituric acid reactive substance (TBARS) and decrease in superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), and glutathione (GSH) levels, increased expression Bax proteins with deceased expression of Bcl2, and increased hepatic activity of NF-κB and serum DPP-4 level were observed upon CsA treatment. Vildagliptin significantly improved all altered parameters induced by CsA administration. Vildagliptin has the potential to protect the liver against CsA-induced hepatotoxicity by reducing oxidative stress, DPP-4 activity, apoptosis, and inflammation.
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Affiliation(s)
- Nagla A. El-Sherbeeny
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, El-Madinah El-Munawarah, Saudi Arabia
- Department of Clinical Pharmacology, Faculty of Medicine, Suez Canal University, Egypt
| | - Manar A. Nader
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, El-Madinah El-Munawarah, Saudi Arabia
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Egypt
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43
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García-Niño WR, Zazueta C. Ellagic acid: Pharmacological activities and molecular mechanisms involved in liver protection. Pharmacol Res 2015; 97:84-103. [DOI: 10.1016/j.phrs.2015.04.008] [Citation(s) in RCA: 158] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/16/2015] [Accepted: 04/18/2015] [Indexed: 12/23/2022]
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44
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Stocki P, Chapman DC, Beach LA, Williams DB. Depletion of cyclophilins B and C leads to dysregulation of endoplasmic reticulum redox homeostasis. J Biol Chem 2014; 289:23086-23096. [PMID: 24990953 DOI: 10.1074/jbc.m114.570911] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Protein folding within the endoplasmic reticulum is assisted by molecular chaperones and folding catalysts that include members of the protein-disulfide isomerase and peptidyl-prolyl isomerase families. In this report, we examined the contributions of the cyclophilin subset of peptidyl-prolyl isomerases to protein folding and identified cyclophilin C as an endoplasmic reticulum (ER) cyclophilin in addition to cyclophilin B. Using albumin and transferrin as models of cis-proline-containing proteins in human hepatoma cells, we found that combined knockdown of cyclophilins B and C delayed transferrin secretion but surprisingly resulted in more efficient oxidative folding and secretion of albumin. Examination of the oxidation status of ER protein-disulfide isomerase family members revealed a shift to a more oxidized state. This was accompanied by a >5-fold elevation in the ratio of oxidized to total glutathione. This "hyperoxidation" phenotype could be duplicated by incubating cells with the cyclophilin inhibitor cyclosporine A, a treatment that triggered efficient ER depletion of cyclophilins B and C by inducing their secretion to the medium. To identify the pathway responsible for ER hyperoxidation, we individually depleted several enzymes that are known or suspected to deliver oxidizing equivalents to the ER: Ero1αβ, VKOR, PRDX4, or QSOX1. Remarkably, none of these enzymes contributed to the elevated oxidized to total glutathione ratio induced by cyclosporine A treatment. These findings establish cyclophilin C as an ER cyclophilin, demonstrate the novel involvement of cyclophilins B and C in ER redox homeostasis, and suggest the existence of an additional ER oxidative pathway that is modulated by ER cyclophilins.
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Affiliation(s)
- Pawel Stocki
- Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
| | - Daniel C Chapman
- Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
| | - Lori A Beach
- Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada
| | - David B Williams
- Department of Biochemistry, University of Toronto, Toronto M5S 1A8, Canada.
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