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Zhang J, Ma D, Chen M, Hu Y, Chen X, Chen J, Huang M, Dai H. Prevalence and clinical significance of potential drug-drug interactions among lung transplant patients. Front Pharmacol 2024; 15:1308260. [PMID: 38379901 PMCID: PMC10876870 DOI: 10.3389/fphar.2024.1308260] [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: 10/06/2023] [Accepted: 01/24/2024] [Indexed: 02/22/2024] Open
Abstract
Background: Drug-drug interactions (DDIs) are a major but preventable cause of adverse drug reactions. There is insufficient information regarding DDIs in lung transplant recipients. Objective: This study aimed to determine the prevalence of potential DDIs (pDDIs) in intensive care unit (ICU) lung transplant recipients, identify the real DDIs and the most frequently implicated medications in this vulnerable population, and determine the risk factors associated with pDDIs. Methods: This retrospective cross-sectional study included lung transplant recipients from January 2018 to December 2021. Pertinent information was retrieved from medical records. All prescribed medications were screened for pDDIs using the Lexicomp® drug interaction software. According to this interaction software, pDDIs were classified as C, D, or X (C = monitor therapy, D = consider therapy modification, X = avoid combination). The Drug Interaction Probability Scale was used to determine the causation of DDIs. All statistical analysis was performed in SPSS version 26.0. Results: 114 patients were qualified for pDDI analysis, and total pDDIs were 4051. The most common type of pDDIs was category C (3323; 82.0%), followed by D (653; 16.1%) and X (75; 1.9%). Voriconazole and posaconazole were the antifungal medicine with the most genuine DDIs. Mean tacrolimus concentration/dose (Tac C/D) before or after co-therapy was considerably lower than the Tac C/D during voriconazole or posaconazole co-therapy (p < 0.001, p = 0.027). Real DDIs caused adverse drug events (ADEs) in 20 patients. Multivariable logistic regression analyses found the number of drugs per patient (OR, 1.095; 95% CI, 1.048-1.145; p < 0.001) and the Acute Physiology and Chronic Health Evaluation II (APACHE Ⅱ) score (OR, 1.097; 95% CI, 1.021-1.179; p = 0.012) as independent risk factors predicting category X pDDIs. Conclusion: This study revealed a high incidence of both potential and real DDIs in ICU lung transplant recipients. Immunosuppressive drugs administered with azole had a high risk of causing clinically significant interactions. The number of co-administered drugs and APACHE Ⅱ score were associated with an increased risk of category × drug interactions. Close monitoring of clinical and laboratory parameters is essential for ensuring successful lung transplantation and preventing adverse drug events associated with DDIs.
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Affiliation(s)
- Jiali Zhang
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Danyi Ma
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Meng Chen
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanting Hu
- Department of General Intensive Care Unit, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xveying Chen
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jingyu Chen
- Department of Lung Transplantation, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Man Huang
- Department of General Intensive Care Unit, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Haibin Dai
- Department of Pharmacy, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Ssebambulidde K, Anjum SH, Hargarten JC, Chittiboina P, Shoham S, Seyedmousavi S, Marr KA, Hammoud DA, Billioux BJ, Williamson PR. Treatment recommendations for non-HIV associated cryptococcal meningoencephalitis including management of post-infectious inflammatory response syndrome. Front Neurol 2022; 13:994396. [PMID: 36530631 PMCID: PMC9751747 DOI: 10.3389/fneur.2022.994396] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 11/04/2022] [Indexed: 08/29/2023] Open
Abstract
Cryptococcal meningoencephalitis (CM) continues to cause major morbidity and mortality in a range of patients such as those immunosuppressed from HIV and with biologic immunosuppressants, including treatments of autoimmunity, malignancies, and conditioning regimens for transplantation. It is currently the most common cause of non-viral meningitis in the United States. Infections in previously healthy patients also develop with autoantibodies to granulocyte-macrophage colony stimulating factor or with monogenetic defects. In all populations, mortality and significant long-term morbidity occur in 30-50% despite therapy, and immune reconstitution and post-infectious inflammatory response syndromes complicate management. To help with these difficult cases, we present here a practical tutorial of the care of a range of patients with CM in the absence of HIV/AIDS.
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Affiliation(s)
- Kenneth Ssebambulidde
- Translational Mycology Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Seher H. Anjum
- Translational Mycology Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Jessica C. Hargarten
- Translational Mycology Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
| | - Prashant Chittiboina
- Surgical Neurology Branch, National Institute of Neurological Disorders and Stroke, Bethesda, MD, United States
| | - Shmuel Shoham
- Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Seyedmojtaba Seyedmousavi
- Microbiology Service, Department of Laboratory Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - Kieren A. Marr
- Johns Hopkins School of Medicine, Baltimore, MD, United States
| | - Dima A. Hammoud
- Center for Infectious Disease Imaging (CIDI), Radiology and Imaging Sciences, Clinical Center, National Institutes of Health, Bethesda, MD, United States
| | - Bridgette Jeanne Billioux
- Section of Infections of the Nervous System, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD, United States
| | - Peter R. Williamson
- Translational Mycology Section, Laboratory of Clinical Immunology and Microbiology, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, United States
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Post-Kidney Transplant Brief Psychosis in a Patient With MYH9-Related Disease: A Case Report. Transplant Proc 2022; 54:2744-2747. [DOI: 10.1016/j.transproceed.2022.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/02/2022] [Indexed: 11/10/2022]
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4
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The Therapeutic Potential of Carnosine as an Antidote against Drug-Induced Cardiotoxicity and Neurotoxicity: Focus on Nrf2 Pathway. Molecules 2022; 27:molecules27144452. [PMID: 35889325 PMCID: PMC9324774 DOI: 10.3390/molecules27144452] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/01/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022] Open
Abstract
Different drug classes such as antineoplastic drugs (anthracyclines, cyclophosphamide, 5-fluorouracil, taxanes, tyrosine kinase inhibitors), antiretroviral drugs, antipsychotic, and immunosuppressant drugs are known to induce cardiotoxic and neurotoxic effects. Recent studies have demonstrated that the impairment of the nuclear factor erythroid 2–related factor 2 (Nrf2) pathway is a primary event in the pathophysiology of drug-induced cardiotoxicity and neurotoxicity. The Nrf2 pathway regulates the expression of different genes whose products are involved in antioxidant and inflammatory responses and the detoxification of toxic species. Cardiotoxic drugs, such as the anthracycline doxorubicin, or neurotoxic drugs, such as paclitaxel, suppress or impair the Nrf2 pathway, whereas the rescue of this pathway counteracts both the oxidative stress and inflammation that are related to drug-induced cardiotoxicity and neurotoxicity. Therefore Nrf2 represents a novel pharmacological target to develop new antidotes in the field of clinical toxicology. Interestingly, carnosine (β-alanyl-l-histidine), an endogenous dipeptide that is characterized by strong antioxidant, anti-inflammatory, and neuroprotective properties is able to rescue/activate the Nrf2 pathway, as demonstrated by different preclinical studies and preliminary clinical evidence. Starting from these new data, in the present review, we examined the evidence on the therapeutic potential of carnosine as an endogenous antidote that is able to rescue the Nrf2 pathway and then counteract drug-induced cardiotoxicity and neurotoxicity.
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5
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Zhang W, Matsukane R, Egashira N, Tsuchiya Y, Fu R, Yamamoto S, Hirota T, Ieiri I. Neuroprotective effects of ibudilast against tacrolimus induced neurotoxicity. Toxicol Appl Pharmacol 2022; 449:116112. [DOI: 10.1016/j.taap.2022.116112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 05/26/2022] [Accepted: 06/03/2022] [Indexed: 10/18/2022]
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Shin YJ, Lim SW, Cui S, Ko EJ, Chung BH, Kim HL, Riew TR, Lee MY, Yang CW. Tacrolimus Decreases Cognitive Function by Impairing Hippocampal Synaptic Balance: a Possible Role of Klotho. Mol Neurobiol 2021; 58:5954-5970. [PMID: 34435330 DOI: 10.1007/s12035-021-02499-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 07/15/2021] [Indexed: 12/12/2022]
Abstract
The influence of long-term tacrolimus treatment on cognitive function remains to be elucidated. Using a murine model of chronic tacrolimus neurotoxicity, we evaluated the effects of tacrolimus on cognitive function, synaptic balance, its regulating protein (Klotho), and oxidative stress in the hippocampus. Compared to vehicle-treated mice, tacrolimus-treated mice showed significantly decreased hippocampal-dependent spatial learning and memory function. Furthermore, tacrolimus caused synaptic imbalance, as demonstrated by decreased excitatory synapses and increased inhibitory synapses, and downregulated Klotho in a dose-dependent manner; the downregulation of Klotho was localized to excitatory hippocampal synapses. Moreover, tacrolimus increased oxidative stress and was associated with activation of the PI3K/AKT pathway in the hippocampus. These results indicate that tacrolimus impairs cognitive function via synaptic imbalance, and that these processes are associated with Klotho downregulation at synapses through tacrolimus-induced oxidative stress in the hippocampus.
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Affiliation(s)
- Yoo Jin Shin
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Sun Woo Lim
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Sheng Cui
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Eun Jeong Ko
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Department of Internal Medicine, Division of Nephrology, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Byung Ha Chung
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
- Department of Internal Medicine, Division of Nephrology, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Hong Lim Kim
- Integrative Research Support Center, Laboratory of Electron Microscope, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Korea
| | - Tae Ryong Riew
- Department of Anatomy, Catholic Neuroscience Institute, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Korea
| | - Mun Yong Lee
- Department of Anatomy, Catholic Neuroscience Institute, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Korea
| | - Chul Woo Yang
- Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
- Transplant Research Center, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
- Department of Internal Medicine, Division of Nephrology, Seoul St. Mary's Hospital, The College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
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Wilmes D, Coche E, Rodriguez-Villalobos H, Kanaan N. Fungal pneumonia in kidney transplant recipients. Respir Med 2021; 185:106492. [PMID: 34139578 DOI: 10.1016/j.rmed.2021.106492] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 10/21/2022]
Abstract
Fungal pneumonia is a dreaded complication encountered after kidney transplantation, complicated by increased mortality and often associated with graft failure. Diagnosis can be challenging because the clinical presentation is non-specific and diagnostic tools have limited sensitivity and specificity in kidney transplant recipients and must be interpreted in the context of the clinical setting. Management is difficult due to the increased risk of dissemination and severity, multiple comorbidities, drug interactions and reduced immunosuppression which should be applied as an important adjunct to therapy. This review will focus on the main causes of fungal pneumonia in kidney transplant recipients including Pneumocystis, Aspergillus, Cryptococcus, mucormycetes and Histoplasma. Epidemiology, clinical presentation, laboratory and radiographic features, specific characteristics will be discussed with an update on diagnostic procedures and treatment.
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Affiliation(s)
- D Wilmes
- Division of Internal Medicine, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
| | - E Coche
- Division of Radiology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
| | - H Rodriguez-Villalobos
- Division of Microbiology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
| | - N Kanaan
- Division of Nephrology, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium.
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8
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Afzali S, Salehi S, Shahi A, Amirzargar A. B cell modulation strategies in the improvement of transplantation outcomes. Mol Immunol 2020; 125:140-150. [PMID: 32682148 DOI: 10.1016/j.molimm.2020.06.028] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Revised: 06/19/2020] [Accepted: 06/30/2020] [Indexed: 01/03/2023]
Abstract
Successful transplantation outcome is the final goal in most end stage and nonfunctional organs; however, despite using different therapeutic strategies, antibody-mediated rejection is still a big obstacle. B cells have a key role in transplant rejection by several functions, such as antibody production, antigen presenting, contribution in T cell activation, forming the germinal center, and tertiary lymphoid organs. Therefore, B cells modulation seems to be very crucial in transplant outcome. A double-edged sword function is considered for B cells during transplantation; On the one hand, antibody production against the transplanted organ induces antibody-mediated rejection. On the other hand, IL10 production by regulatory B (Breg) cells induces graft tolerance. Nowadays, several monoclonal antibodies (mAb) are available for B cell modulation that are routinely used in transplant recipients, among which rituximab (anti-CD20 mAb) act in eliminating B cells. However, there are some other monoclonal antibodies, such as epratuzumab and Inotuzumab ozogamicin (IO), which exert anti-CD22 activity, resulting in disruption of B cell functions and induction of tolerance in autoimmune disease or B cell malignancies; that notwithstanding, these mAbs have not yet been tried in transplantation. In this review, we focus on different methods for modulating the activity of B cells as well as induction of Breg cells, aiming to prevent the allograft rejection.
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Affiliation(s)
- Shima Afzali
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran; Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Saeedeh Salehi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Abbas Shahi
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Aliakbar Amirzargar
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
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Janikowska G, Kurzeja E, Janikowski M, Strzałka-Mrozik B, Pyka-Pająk A, Janikowski T. The Effect of Cyclosporine A on Dermal Fibroblast Cell - Transcriptomic Analysis of Inflammatory Response Pathway. Curr Pharm Biotechnol 2020; 21:1213-1223. [PMID: 32297577 DOI: 10.2174/1389201021666200416103928] [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] [Received: 12/14/2019] [Revised: 03/25/2020] [Accepted: 03/25/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND The first immunosuppressive drug - cyclosporine A (CsA) has many unquestioned merits in maintaining organ transplants in patients, as well as, in the treatment of many inflammatory diseases, also associated with cutaneous manifestations. The main task of this drug is to suppress the inflammatory response at the sites of action, which is not well known. OBJECTIVE The objective of this study was to evaluate the influence of CsA in therapeutic concentration on the expression of genes associated with the inflammatory response pathway in normal human dermal fibroblasts (NHDF; CC-2511), and this study attempted to determine the mechanism of its action. METHODS The cytotoxicity MTT test was performed. The expression of the inflammatory response pathway genes was determined using HG-U133A_2.0 oligonucleotide microarrays. Statistical analysis was performed by GeneSpring 13.0 software using the PL-Grid platform. RESULTS Among the 5,300 mRNA, only 573 were changed significantly in response to CsA compared to the control fibroblasts (P≤0.05). CsA inhibited the expression of most genes associated with the inflammatory response in NHDFs. There were only 19 genes with a fold change (FC) lower than -2.0, among which EGR1, FOS, PBK, CDK1 and TOP2A had the lowest expression, as did CXCL2 which can directly impact inflammation. Furthermore, ZNF451 was strongly induced, and COL1A1, COL3A1, IL33, TNFRSFs were weakly up-regulated (FC lower than 2.0). CONCLUSION The CsA in therapeutic concentration influences the genes linked to the inflammatory response (in the transcriptional level) in human dermal fibroblasts. The findings suggest that the potential mechanism of CsA action in this concentration and on these genes can be associated with a profibrotic and proapoptotic, and genotoxic effects.
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Affiliation(s)
- Grażyna Janikowska
- Department of Analytical Chemistry, Medical University of Silesia in Katowice, Katowice, Poland
| | - Ewa Kurzeja
- Department of Analytical Chemistry, Medical University of Silesia in Katowice, Katowice, Poland
| | - Marcin Janikowski
- Student Scientific Club at the Department of Molecular Biology, Medical University of Silesia in Katowice, Katowice, Poland
| | | | - Alina Pyka-Pająk
- Department of Analytical Chemistry, Medical University of Silesia in Katowice, Katowice, Poland
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Recent Topics on The Mechanisms of Immunosuppressive Therapy-Related Neurotoxicities. Int J Mol Sci 2019; 20:ijms20133210. [PMID: 31261959 PMCID: PMC6651704 DOI: 10.3390/ijms20133210] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 06/26/2019] [Accepted: 06/28/2019] [Indexed: 02/07/2023] Open
Abstract
Although transplantation procedures have been developed for patients with end-stage hepatic insufficiency or other diseases, allograft rejection still threatens patient health and lifespan. Over the last few decades, the emergence of immunosuppressive agents such as calcineurin inhibitors (CNIs) and mammalian target of rapamycin (mTOR) inhibitors have strikingly increased graft survival. Unfortunately, immunosuppressive agent-related neurotoxicity commonly occurs in clinical practice, with the majority of neurotoxicity cases caused by CNIs. The possible mechanisms through which CNIs cause neurotoxicity include increasing the permeability or injury of the blood–brain barrier, alterations of mitochondrial function, and alterations in the electrophysiological state. Other immunosuppressants can also induce neuropsychiatric complications. For example, mTOR inhibitors induce seizures, mycophenolate mofetil induces depression and headaches, methotrexate affects the central nervous system, the mouse monoclonal immunoglobulin G2 antibody (used against the cluster of differentiation 3) also induces headaches, and patients using corticosteroids usually experience cognitive alteration. Therapeutic drug monitoring, individual therapy based on pharmacogenetics, and early recognition of symptoms help reduce neurotoxic events considerably. Once neurotoxicity occurs, a reduction in the drug dosage, switching to other immunosuppressants, combination therapy with drugs used to treat the neuropsychiatric manifestation, or blood purification therapy have proven to be effective against neurotoxicity. In this review, we summarize recent topics on the mechanisms of immunosuppressive drug-related neurotoxicity. In addition, information about the neuroprotective effects of several immunosuppressants is also discussed.
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Fu R, Tajima S, Suetsugu K, Watanabe H, Egashira N, Masuda S. Biomarkers for individualized dosage adjustments in immunosuppressive therapy using calcineurin inhibitors after organ transplantation. Acta Pharmacol Sin 2019; 40:151-159. [PMID: 29950613 DOI: 10.1038/s41401-018-0070-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 06/10/2018] [Indexed: 01/10/2023] Open
Abstract
Calcineurin inhibitors (CNIs), such as cyclosporine A and tacrolimus, are widely used immunosuppressive agents for the prevention of post-transplantation rejection and have improved 1-year graft survival rates by up to 90%. However, CNIs can induce severe reactions, such as acute or chronic allograft nephropathy, hypertension, and neurotoxicity. Because CNIs have varied bioavailabilities, narrow therapeutic ranges, and individual propensities for toxic effects, therapeutic drug monitoring is necessary for all CNIs. Identifying the genetic polymorphisms in drug-metabolizing enzymes will help to determine personalized dosage regimens for CNIs, as CNIs are substrates for CYP3A5 and P-glycoprotein (P-gp, MDR1). CNIs are often concomitantly administered with voriconazole or proton pump inhibitors (PPIs), giving rise to drug interaction problems. Voriconazole and PPIs can increase the blood concentrations of CNIs, and both are primarily metabolized by CYP2C19. Thus, it is expected that interactions between CNIs and voriconazole or PPI would be affected by CYP2C19 and CYP3A5 polymorphisms. CNI-induced acute kidney injury (AKI) is a serious complication of transplantations. Neutrophil gelatinase-associated lipocalin (NGAL) and kidney injury molecule 1 (KIM-1) are noninvasive urinary biomarkers that are believed to be highly sensitive to CNI-induced AKI. In this article, we review the adverse events and pharmacokinetics of CNIs and the biomarkers related to CNIs, including CYP3A5, CYP2C19, MDR1, NGAL, and KIM-1. We hope that these data will help to identify the optimal biomarkers for monitoring CNI-based immunosuppressive therapy after organ transplantation.
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12
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Meng L, Feng K, Ren Y. Molecular modelling studies of tricyclic triazinone analogues as potential PKC-θ inhibitors through combined QSAR, molecular docking and molecular dynamics simulations techniques. J Taiwan Inst Chem Eng 2018. [DOI: 10.1016/j.jtice.2018.06.017] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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13
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Mencarelli A, Vacca M, Khameneh HJ, Acerbi E, Tay A, Zolezzi F, Poidinger M, Mortellaro A. Calcineurin B in CD4 + T Cells Prevents Autoimmune Colitis by Negatively Regulating the JAK/STAT Pathway. Front Immunol 2018. [PMID: 29515579 PMCID: PMC5826051 DOI: 10.3389/fimmu.2018.00261] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Calcineurin (Cn) is a protein phosphatase that regulates the activation of the nuclear factor of activated T-cells (NFAT) family of transcription factors, which are key regulators of T-cell development and function. Here, we generated a conditional Cnb1 mouse model in which Cnb1 was specifically deleted in CD4+ T cells (Cnb1CD4 mice) to delineate the role of the Cn–NFAT pathway in immune homeostasis of the intestine. The Cnb1CD4 mice developed severe, spontaneous colitis characterized at the molecular level by an increased T helper-1-cell response but an unaltered regulatory T-cell compartment. Antibiotic treatment ameliorated the intestinal inflammation observed in Cnb1CD4 mice, suggesting that the microbiota contributes to the onset of colitis. CD4+ T cells isolated from Cnb1CD4 mice produced high levels of IFNγ due to increased activation of the JAK2/STAT4 pathway induced by IL-12. Our data highlight that Cn signaling in CD4+ T cells is critical for intestinal immune homeostasis in part by inhibiting IL-12 responsiveness of CD4+ T cells.
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Affiliation(s)
- Andrea Mencarelli
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Maurizio Vacca
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore.,Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Hanif Javanmard Khameneh
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Enzo Acerbi
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Alicia Tay
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Francesca Zolezzi
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Michael Poidinger
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore
| | - Alessandra Mortellaro
- Singapore Immunology Network (SIgN), Agency for Science, Technology and Research (ASTAR), Singapore, Singapore.,Department of Microbiology and Immunology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
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Groll AH, Townsend R, Desai A, Azie N, Jones M, Engelhardt M, Schmitt-Hoffman AH, Brüggemann RJM. Drug-drug interactions between triazole antifungal agents used to treat invasive aspergillosis and immunosuppressants metabolized by cytochrome P450 3A4. Transpl Infect Dis 2017; 19. [PMID: 28722255 DOI: 10.1111/tid.12751] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 05/15/2017] [Accepted: 05/15/2017] [Indexed: 01/03/2023]
Abstract
Patients undergoing treatment with immunosuppressant drugs following solid organ or hematopoietic stem cell transplantation are at particular risk for development of serious infections such as invasive aspergillosis. Four triazole antifungal drugs, voriconazole, posaconazole, itraconazole, and isavuconazole, are approved to treat invasive aspergillosis either as first- or second-line therapy. All of these agents are inhibitors of cytochrome P450 3A4, which plays a key role in metabolizing immunosuppressant drugs such as cyclosporine, tacrolimus, and sirolimus. Thus, co-administration of a triazole antifungal drug with these immunosuppressant drugs can potentially increase plasma concentrations of the immunosuppressant drugs, thereby resulting in toxicity, or upon discontinuation, inadvertently decrease the respective concentrations with increased risk of rejection or graft-versus-host disease. In this article, we review the evidence for the extent of inhibition of cytochrome P450 3A4 by each of these triazole antifungal drugs and assess their effects on cyclosporine, tacrolimus, and sirolimus. We also consider other factors affecting interactions of these two classes of drugs. Finally, we examine recommendations and strategies to evaluate and address those potential drug-drug interactions in these patients.
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Affiliation(s)
- Andreas H Groll
- Department of Pediatric Hematology/Oncology, University Children's Hospital Münster, Münster, Germany
| | - Robert Townsend
- Astellas Pharma Global Development, Inc., Northbrook, IL, USA
| | - Amit Desai
- Astellas Pharma Global Development, Inc., Northbrook, IL, USA
| | - Nkechi Azie
- Astellas Pharma Global Development, Inc., Northbrook, IL, USA
| | - Mark Jones
- Basilea Pharmaceutica International Ltd, Basel, Switzerland
| | | | | | - Roger J M Brüggemann
- Department of Pharmacy, Radboud University Nijmegen Medical Centre, and Centre of Expertise in Mycology Radboudumc/CWZ, Nijmegen, The Netherlands
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Sendra Gisbert L, Miguel Matas A, Sabater Ortí L, Herrero MJ, Sabater Olivas L, Montalvá Orón EM, Frasson M, Abargues López R, López-Andújar R, García-Granero Ximénez E, Aliño Pellicer SF. Efficacy of hydrodynamic interleukin 10 gene transfer in human liver segments with interest in transplantation. Liver Transpl 2017; 23:50-62. [PMID: 27783460 DOI: 10.1002/lt.24667] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 08/29/2016] [Indexed: 12/15/2022]
Abstract
Different diseases lead, during their advanced stages, to chronic or acute liver failure, whose unique treatment consists in organ transplantation. The success of intervention is limited by host immune response and graft rejection. The use of immunosuppressant drugs generally improve organ transplantation, but they cannot completely solve the problem. Also, their management is delicate, especially during the early stages of treatment. Thus, new tools to set an efficient modulation of immune response are required. The local expression of interleukin (IL) 10 protein in transplanted livers mediated by hydrodynamic gene transfer could improve the organ acceptance by the host because it presents the natural ability to modulate the immune response at different levels. In the organ transplantation scenario, IL10 has already demonstrated positive effects on graft tolerance. Hydrodynamic gene transfer has been proven to be safe and therapeutically efficient in animal models and could be easily moved to the clinic. In the present work, we evaluated efficacy of human IL10 gene transfer in human liver segments and the tissue natural barriers for gene entry into the cell, employing gold nanoparticles. In conclusion, the present work shows for the first time that hydrodynamic IL10 gene transfer to human liver segments ex vivo efficiently delivers a human gene into the cells. Indexes of tissue protein expression achieved could mediate local pharmacological effects with interest in controlling the immune response triggered after liver transplantation. On the other hand, the ultrastructural study suggests that the solubilized plasmid could access the hepatocyte in a passive manner mediated by the hydric flow and that an active mechanism of transportation could facilitate its entry into the nucleus. Liver Transplantation 23:50-62 2017 AASLD.
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Affiliation(s)
- Luis Sendra Gisbert
- Pharmacogenetics Unit, Instituto de Investigación Sanitaria La Fe and Hospital Universitario y Politécnico La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia
- Gene Therapy Unit, Pharmacology Department, Medicine Faculty, Universidad de Valencia, Valencia, Spain
| | - Antonio Miguel Matas
- Gene Therapy Unit, Pharmacology Department, Medicine Faculty, Universidad de Valencia, Valencia, Spain
| | - Luis Sabater Ortí
- General and Digestive Surgery Department, Hospital Clínico Universitario, Valencia, Spain
| | - María José Herrero
- Pharmacogenetics Unit, Instituto de Investigación Sanitaria La Fe and Hospital Universitario y Politécnico La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia
| | | | - Eva María Montalvá Orón
- Hepatobiliopancreatic Surgery and Transplantation Unit, General Surgery Service, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | - Matteo Frasson
- Coloproctology Unit, General Surgery Service, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | | | - Rafael López-Andújar
- Hepatobiliopancreatic Surgery and Transplantation Unit, General Surgery Service, Hospital Universitario y Politécnico La Fe, Valencia, Spain
| | | | - Salvador Francisco Aliño Pellicer
- Pharmacogenetics Unit, Instituto de Investigación Sanitaria La Fe and Hospital Universitario y Politécnico La Fe, Av. Fernando Abril Martorell 106, 46026 Valencia
- Gene Therapy Unit, Pharmacology Department, Medicine Faculty, Universidad de Valencia, Valencia, Spain
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16
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Fu KA, DiNorcia J, Sher L, Velani SA, Akhtar S, Kalayjian LA, Sanossian N. Predictive factors of neurological complications and one-month mortality after liver transplantation. Front Neurol 2014; 5:275. [PMID: 25566180 PMCID: PMC4269112 DOI: 10.3389/fneur.2014.00275] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Accepted: 12/03/2014] [Indexed: 12/11/2022] Open
Abstract
Background: Neurological complications are common after orthotopic liver transplantation (OLT). We aimed to characterize the risk factors associated with neurological complications and mortality among patients who underwent OLT in the post-model for end-stage liver disease (MELD) era. Methods: In a retrospective review, we evaluated 227 consecutive patients at the Keck Hospital of the University of Southern California before and after OLT to define the type and frequency of and risk factors for neurological complications and mortality. Results: Neurological complications were common (n = 98), with encephalopathy being most frequent (56.8%), followed by tremor (26.5%), hallucinations (11.2%), and seizure (8.2%). Factors associated with neurological complications after OLT included preoperative dialysis, hepatorenal syndrome, renal insufficiency, intra-operative dialysis, preoperative encephalopathy, preoperative mechanical ventilation, and infection. Preoperative infection was an independent predictor of neurological complications (OR 2.83, 1.47–5.44). One-month mortality was 8.8% and was independently associated with urgent re-transplant, preoperative intubation, and intra-operative arrhythmia. Conclusion: Neurological complications are common in patients undergoing OLT in the post-MELD era, with encephalopathy being most frequent. An improved understanding of the risk factors related to both neurological complications and one-month mortality post-transplantation can better guide perioperative care and help improve outcomes among OLT patients.
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Affiliation(s)
- Katherine A Fu
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA
| | - Joseph DiNorcia
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA ; Department of Hepatobiliary, Pancreas and Abdominal Organ Transplant Surgery, University of Southern California , Los Angeles, CA , USA
| | - Linda Sher
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA ; Department of Hepatobiliary, Pancreas and Abdominal Organ Transplant Surgery, University of Southern California , Los Angeles, CA , USA
| | - Shamsha A Velani
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA ; Department of Neurology, University of Southern California , Los Angeles, CA , USA
| | - Shahrzad Akhtar
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA
| | - Laura A Kalayjian
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA ; Department of Neurology, University of Southern California , Los Angeles, CA , USA
| | - Nerses Sanossian
- Keck School of Medicine, University of Southern California , Los Angeles, CA , USA ; Department of Neurology, University of Southern California , Los Angeles, CA , USA
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17
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Hafizi M, Mardani S, Borhani A, Ahmadi A, Nasri P, Nasri H. Association of helicobacter pylori infection with serum magnesium in kidney transplant patients. J Renal Inj Prev 2014; 3:101-5. [PMID: 25610889 PMCID: PMC4301387 DOI: 10.12861/jrip.2014.29] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 09/07/2014] [Accepted: 11/14/2014] [Indexed: 01/10/2023] Open
Abstract
INTRODUCTION Few studies are available regarding the various promoting factors of H. pylori infection in kidney disease patients especially renal transplant individuals. OBJECTIVES This study was therefore conducted to examine the association of serum magnesium with H. pylori infection among kidney transplant patients. This cross-sectional investigation was conducted on a group of stable kidney transplant patients. Peripheral venous blood samples were collected for biochemical analysis after an overnight fast, Also urea breath test (UBT) was conducted for patients. PATIENTS AND METHODS A total of 50 cases was enrolled to the study. Mean serum magnesium value of the patients was 1.98 ± 0.62 mg/dl. Serum magnesium level in positive H. pylori patients was more than negative H. pylori patients (p=0.0005). In this study population, there was no significant difference in serum intact PTH, calcium, alkaline phosphatase, albumin levels and body mass index (BMI) between males and females or H. pylori positive and H. pylori negative subjects (p>0.5). CONCLUSION It is possible that, magnesium aggravates H. pylori infection in kidney transplant patients through the mechanisms like hemodialysis, which we had reported previously. However, more studies are necessary to prove the association of magnesium with H. pylori infection in renal transplant patients and finding the clinical relevance of our findings.
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Affiliation(s)
- Massoud Hafizi
- Department of Infectious Disease, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Saeed Mardani
- Department of Internal Medicine, Division of Nephrology, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Borhani
- Department of Infectious Disease, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Ahmadi
- Department of Epidemiology and Biostatistics, Falculty of Health, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Parto Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamid Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
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18
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Karami A, Baradaran A. Comparative evaluation of three different methods for HbA1c measurement with High-performance liquid chromatography in diabetic patients. Adv Biomed Res 2014; 3:94. [PMID: 24800183 PMCID: PMC4007341 DOI: 10.4103/2277-9175.129364] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2012] [Accepted: 06/09/2012] [Indexed: 01/13/2023] Open
Abstract
Background: The global prevalence of diabetes mellitus is increasing rapidly. Measurement of glycated hemoglobin, predominantly HbA1c, is fundamental to the management of patients with diabetes. HbA1c is used to monitor long-term glycemic control, adjust therapy, assess the quality of diabetes care and predict the risk for the development of complications. While HbA1c is the standard method for long-term glycemic control in diabetic patients, there are different methods for measurement of HbA1c and all laboratories do not use the reference method (high-performance liquid chromatography [HPLC]). The objective of this study is comparison of three different methods with HPLC to find out which method has an acceptable concordance and correlation with the reference method. Materials and Methods: Fifty-eight diabetic patients were assessed in this study. The blood sample of each patient was checked with Diazyme (enzymatic assay), Nycocard (boronate-affinity binding) and Biosystem (micro column chromatography). The values of HbA1c of each method were compared with the Knauer-HPLC results. Results: The means of the differential values between each method and HPLC in the ANOVA test are as follows: M = 1.8, SD = 1.09 for Nycocard-HPLC; M = 1.5, SD = 1.08 for biosystem-HPLC; M = 1.3, SD = 1.2 for Diazyme-HPLC. Pearson's correlation coefficient between HPLC and Nycocard; 0.76, HPLC and Diazyme; 0.75 and between HPLC and Biosystem was 0.68. Linear regression parameters for each method with HPLC were also determined. Conclusion: Diazyme had a better performance and showed a greater concordance with HPLC among others, although it was not an ideal alternative for HPLC.
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Affiliation(s)
- Azadeh Karami
- Department of Pathology, Isfahan University of Medial Science, Iran
| | - Azar Baradaran
- Department of Pathology, Isfahan University of Medial Science, Iran
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19
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Rafieian-Kopaei M, Baradaran A, Nasri H. Significance of extracapillary proliferation in IgA-nephropathy patients with regard to clinical and histopathological variables. Hippokratia 2013; 17:258-261. [PMID: 24470738 PMCID: PMC3872464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND AND AIM Extracapillary proliferation (crescent) was not included in the Oxford classification, although previous attempts to correlate the crescent with clinical outcomes have produced conflicting results. In this study, we investigated the clinical and morphological significance of extracapillary proliferation in a group of IgA nephropathy (IgAN) patients with regard to the Oxford classification. PATIENTS AND METHODS In an observational study conducted on IgAN patients, we collected a total of 114 biopsies. We diagnosed IgAN by light and immunofluorescence for all patients. RESULTS Of the 114 patients, 70.2% were male. The mean age of the patients was 37.7 ± 13.6 years. The mean proteinuria was 1742 ± 1324 mg/day. The mean serum creatinine was 1.6 ± 1.5 mg/dL. Twenty-five (21.9%) patient kidney biopsies had extracapillary proliferation. We found a significant positive correlation between the number of crescents and serum creatinine (p<0.001). Furthermore, we found a positive association between the nephrotic syndrome and the total number of crescents (p<0.05). Additionally, we observed a significant positive correlation between the amount of sclerosed glomeruli and extracapillary proliferation (p=0.028). CONCLUSION Our findings confirm that extracapillary proliferation has a significant association with proteinuria and sclerotic glomeruli. We anticipate that extracapillary proliferation will be included in a revision of the Oxford classification of IgAN to widen the scope of the classification.
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Affiliation(s)
- M Rafieian-Kopaei
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - A Baradaran
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - H Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
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20
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Preliminarily Analysis of Carbamazepine (CBZ) C0 in Patients Visited Isfahan Epileptic Clinics. Int J Prev Med 2013; 4:S343-6. [PMID: 23776749 PMCID: PMC3678243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2013] [Accepted: 02/27/2013] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Carbamazepine (CBZ) is mostly considered as the first line of effective treatment against simple or complex partial seizure and primary-secondary generalization. To prevent side-effects related to higher amount of CBZ minimum concentration (C0) in body fluid or seizure attacks associated to lower amount of CBZ-C0, the suggested minimum therapeutic concentrations range from 4 to 12 ng/ml (according to previous publications). The aim of this preliminarily study was to investigate the scope of discrepancy associated to the C0of CBZ in patients visited Isfahan Epileptic Clinic. METHODS A cross-sectional study of 22 patients located in neurology ward of Isfahan Neurosciences Research Centre (INRC) was carried out between April 1, 2012 and December 31, 2012. Female (n = 9) and male subjects (n = 13) with a mean age of 27.4 years (range; 16-38 years) were studied. Pharmacological (CBZ-C0) and demographical variables were recorded and processed in excel. RESULTS The results of CBZ-C0 showed wide inter-individual variability. The mean value of CBZ-C0 was 7.2 ng/ml. In 10 out of 22 patients, CBZ-C0 were lower than the suggested therapeutic window (4-12 ng/ml). CBZ-C0 in nine patients was non-detectable and in one patient was 0.5 ng/ml (45% < 4 ng/ml). In 55% of the patients, CBZ-C0 ranged from 4.8 to 12 ng/ml. CONCLUSIONS A schedule therapeutic drug monitoring based on measurement of CBZ-C0for individual patient could be a practical marker to achieve therapeutic objectives. Further study related to correlating of CBZC0to clinical events in Iranian Epileptic population seems to be valuable.
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21
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Nasri H, Madihi Y, Merrikhi A, Gheissari A, Baradaran A, Kheiri S, Rafieian-Kopaei M. Association of proteinuria with various clinical findings and morphologic variables of oxford classification in immunoglobulin a nephropathy patients. Int J Prev Med 2013; 4:546-51. [PMID: 23930165 PMCID: PMC3733185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2013] [Accepted: 03/04/2013] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Immunoglobulin A nephropathy (IgAN) with nephrotic syndrome is an uncommon form of IgAN. Clinical and morphological characteristics of proteinuria in IgAN, especially when is in nephrotic range have not yet been fully examined. This study was aimed to correlate morphologic variables of the Oxford classification, and various clinical data with proteinuria in IgAN patients. We also aimed to demonstrate the significance of prevention of proteinuria as one of the important factors in progression of this disease. METHODS In an observational study conducted on IgAN patients, total of 114 biopsies were entered in the study. IgAN was diagnosed by light and immunofluorescence study. RESULTS Of 114 patients 70.2% were male. Mean age of patients was 37.7 ± 13.6 years. The mean of proteinuria was 1742 ± 1324 mg/day. Also mean of serum creatinine (Cr) was 1.6 ± 1.5 mg/dL. Of 114 patients, 11(9.6%) had nephrotic range proteinuria. In this study, there was a positive correlation between proteinuria and serum Cr, peri-glomerular fibrosis or interstitial fibrosis. There was a positive association between proteinuria and totally sclerotic glomeruli too. There was also a positive association between the amount of fibrous crescents and the level of proteinuria. Nephrotic proteinuria could just be seen in male patients. Also, nephrotic syndrome had a positive association with the number of crescents. CONCLUSIONS Our findings firstly support the prognostic value of crescent due to its association with proteinuria and secondly imply the importance of treatment of proteinuria to prevent progression of IgAN.
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Affiliation(s)
- Hamid Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Yahya Madihi
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Merrikhi
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Allaleh Gheissari
- Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azar Baradaran
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Soleiman Kheiri
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Tolou-Ghamari Z, Shaygannejad V, Ashtari F. Preliminary study related the incidence of methylprednisolone pulse therapy in patients visited multiple sclerosis clinic located at the isfahan kashani hospital. Int J Prev Med 2013; 4:S274-8. [PMID: 23776737 PMCID: PMC3678231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2013] [Accepted: 02/23/2013] [Indexed: 11/08/2022] Open
Abstract
BACKGROUND To manage relapsing-remitting multiple sclerosis (MS) in the course of acute exacerbations, methylprednisolone (MP) (Medrol or Solu-Medrol), has the ability to lock the injured blood-brain barrier and decrease irritation in the central nervous system. The aim of this preliminary study was to investigate the frequency and time interval related to MP pulse therapy in patients with MS. METHODS This Study is conducted in the MS clinic of the Isfahan Kashani hospital, that was carried out on patients (n = 901) from June 2011 to December 2012. Patients who visited MS clinic just for once disinterested from analysis. According to the incidence of MP pulse therapy in females and males, two groups were made. Group 1 included patients with 2-3 times and Group 2 included patients with more than 4 times pulse therapy. Demographical data, pharmacological variables including number and time interval related to pulse therapy for each individual were recorded in dBase. The statistical analyses of d-Base were performed using SPSS. RESULTS 901 patients in 1592 occasions were studied. The mean age of patients was 34.6 years old (ranged: 8-87 years old). 586 patients included 465 females and 121 males visited MS clinic just for once. 245 females in 797 occasions and 70 males in 209 occasions received pulse therapy with a mean of 4 times (ranged: 2-11 times). 51.1% and 48.9% of patients received MP pulse therapy for two and more than two up to 11 times respectively. In the 70% of the patients' time interval between pulse therapy was with a mean of 137 days (ranged: 28-480 days). CONCLUSIONS For pulse therapy, it seems that the female subjects refer to clinic are approximately 3.7 times higher than male subjects. To reduce the demand of patients to pulse therapy, disease management could be rationalized on the basis of illness expansion and its correlation to inter and intra individual variability. Finally, to understand the effectiveness of pharmacotherapy, in MS population (Isfahan/Iran), clinical neuropharmacology in relation to better understand of the individualized pharmacokinetics could be useful.
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Affiliation(s)
- Zahra Tolou-Ghamari
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Vahid Shaygannejad
- Department of Neurology, Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fereshteh Ashtari
- Department of Neurology, Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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23
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Shaygannejad V, Tolou-Ghamari Z. What is the Real Fate of Vitamin D in Multiple Sclerosis? Int J Prev Med 2013; 4:S159-64. [PMID: 23776718 PMCID: PMC3678212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2013] [Accepted: 03/23/2013] [Indexed: 10/25/2022] Open
Abstract
Multiple sclerosis (MS) is a multifactorial disease (caused by both environmental and genetic features) that could results from a demyelination of the myelin sheath. Subsequently, it leads to many scars or lesions in different places within the central nervous system. The symptoms that occur depend on the site and rigorousness of the lesions and this is why people with MS experience different symptoms. Although, it is not clearly known that why people develop MS, research suggests that vitamin D plays a key role in preventing or repairing the damaged myelin. Previous studies have shown that vitamin D is a potent natural immune-regulator and has an anti-inflammatory action. Increased exposure to vitamin D may result in changed immunologic profiles or commotion that donates to MS risk. Vitamin D deficiency is caused by insufficient sunlight exposure or low dietary vitamin D3 intake. Recent studies have also indicated that, there are several polymorphisms for vitamin D receptor (VDR) gene, but the effect of VDR gene polymorphisms on protein function of VDR and how exerts second signaling pathways in cells is still unknown. Therefore, this review focuses on vitamin D metabolism and genetic polymorphisms related to VDR and MS to better understand of discrepancies among patients.
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Affiliation(s)
- Vahid Shaygannejad
- Department of Neurology, Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Zahra Tolou-Ghamari
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Correspondence to: Dr. Zahra Tolou-Ghamari, Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Iran E-mail:
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24
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Tolou-Ghamari Z, Zare M, Habibabadi JM, Najafi MR. A quick review of carbamazepine pharmacokinetics in epilepsy from 1953 to 2012. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2013; 18:S81-5. [PMID: 23961295 PMCID: PMC3743329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 02/21/2013] [Accepted: 02/24/2013] [Indexed: 11/04/2022]
Abstract
BACKGROUND Carbamazepine has been used as AEDs since 1965, and is most effective against partial seizures. Two basic mechanisms of action have been proposed: 1) enhancement of sodium channel inactivation by reducing high-frequency repetitive firing of action potentials, 2) and action on synaptic transmission. The aim of this study was to provide a review of carbamazepine pharmacokinetics and its management guidelines in Iranian epileptic population. MATERIALS AND METHODS Directory of Open Access Journals (DOAJ), Google Scholar, Pubmed (NLM), LISTA (EBSCO), Web of Science were searched; 1600, 722 and 167 research and review articles relevant to the topics; carbamazepine pharmacokinetics, carbamazepine pharmacokinetics in epilepsy and review on carbamazepine pharmacokinetics in epilepsy were found, respectively. RESULTS Carbamazepine is highly bound to plasma proteins. In patients the protein-bound fraction ranged from 75-80% of the total plasma concentration. Bioavailability ranges from 75-85%. The rate or extent of absorption was not be affected by food. It is completely metabolized and the main metabolite is carbamazepine-epoxide (CBZ-E). Carbamazepine induces its own metabolism, leading to increased clearance, shortened serum half-life, and progressive decrease in serum levels. Increases in daily dosage are necessary to maintain plasma concentration. Severe liver dysfunction may cause disordered pharmacokinetics. In cardiac failure, congestion of major vital organs, including kidneys, may result in abnormally slow absorption and metabolism. CONCLUSION Carbamazepine shows variability due to its narrow therapeutic window. Therefore clinical management in a3n Iranian epileptic population should focus on results derived from therapeutic drug monitoring in order to reduce inter and intra- individual variability in plasma drug concentrations.
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Affiliation(s)
- Zahra Tolou-Ghamari
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Address for correspondence: Dr. Zahra Tolou-Ghamari, Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. E-mail:
| | - Mohammad Zare
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Department of Neurology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Jafar Mehvari Habibabadi
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Department of Neurology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Reza Najafi
- Isfahan Neurosciences Research Centre, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Department of Neurology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Rafieian-Kopaei M, Baradaran A, Merrikhi A, Nematbakhsh M, Madihi Y, Nasri H. Efficacy of Co-administration of Garlic Extract and Metformin for Prevention of Gentamicin-Renal Toxicity in Wistar Rats: A Biochemical Study. Int J Prev Med 2013; 4:258-64. [PMID: 23626881 PMCID: PMC3634163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2012] [Accepted: 01/03/2013] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Gentamicin (GM) nephrotoxicity has been related to oxidative stress. Garlic and metformin (MF) have anti-oxadant activity and therefore, this study was aimed to evaluate the preventive and curative effects of garlic, MF and their combination on GM indeced tubular toxicity in Wistar rats. METHODS In a pre-clinical study, 70 male Wistar rats were randomly designated into 7 groups of 10 and treated as follows: Group 1: Received saline for 20 days. Group 2: Were injected 100 mg/kg/d of GM intraperitoneally (ip), for 10 days and saline for 10 more days. Group 3: Received GM for 10 days then 20 mg/kg garlic ip for the next 10 days. Group 4: Received GM for 10 days and MF (100 mg/kg) orally for the next 10 days. Group 5: Received GM for 10 days and a combination of MF and garlic for the next 10 days (100 and 20 mg/kg, respectively). Group 6: The same as group 5but with half-doses of MF and Garlic. Group 7: Received GM for 10 days together with a combination ofMF and garlic. On 20(th) day of the experiment the serum blood urea nitrogen (BUN) and creatinine (Cr) were measured and compared in different groups. RESULTS GM injection significantly increased the serum BUN and Cr (P < 0.05). Administration of MF, garlic or their combination with or after injection of GM (high doses) could atenuate BUN and Cr. CONCLUSIONS The results indicate that MF and garlic or their combination have curative and protective activity against GM nephrotoxicity.
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Affiliation(s)
| | - Azar Baradaran
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Alireza Merrikhi
- Department of Pediatric Nephrology, Isfahan Kidney Diseases Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Nematbakhsh
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Yahya Madihi
- Department of Pediatrics, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamid Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran,Correspondence to: Prof. Hamid Nasri, Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran. E-mail:
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Nasri H, Nematbakhsh M, Ghobadi S, Ansari R, Shahinfard N, Rafieian-kopaei M. Preventive and curative effects of ginger extract against histopathologic changes of gentamicin-induced tubular toxicity in rats. Int J Prev Med 2013; 4:316-21. [PMID: 23626888 PMCID: PMC3634170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2012] [Accepted: 09/13/2012] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Gentamicin (GM) is a commonly used aminoglycoside, however, renal toxicity has limited its usage. This study was designed to evaluate the curative and protective effects of Zingiber officinale (ginger) against gentamicin tubular toxicity in rats. The phenolic and flavonoid components and antioxidant activity of ginger were also evaluated. METHODS In a preclinical study, 50 male Wistar rats were designated into 5 groups of 10 and treated as follows: Group I: vehicle. Group II: 200 mg/kg/d of ginger for 3 days then, GM (80 mg/kg) for 7 days. Group III: 200 mg/kg ginger orally for 3 days, then ginger plus GM for 7 days. Group IV: GM for 7 days. Group V: GM for 10 days. Group VI: GM for 7 days, then 200 mg/kg ginger orally for 10 days. At the end of the study, the animals were sacrificed and their kidneys were histologically evaluated. RESULTS Ginger could prevent degeneration of the renal cells and reduce the severity of tubular damage caused by gentamicin. However, it could not regenerate the GM degeneration. CONCLUSIONS The results indicate that ginger is effective as a prophylaxis agent, but has not curative effect.
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Affiliation(s)
- Hamid Nasri
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran,Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Nematbakhsh
- Water and Electrolytes Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shamin Ghobadi
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Roya Ansari
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Najmeh Shahinfard
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Mahmoud Rafieian-kopaei
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran,Correspondence to: Prof. Mahmoud Rafieian-Kopaei, Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran. E-mail:
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Baradaran-Ghahfarokhi M. Non-monetary renal transplantation: An old issue and a new look from Holy Quran. J Nephropathol 2012; 1:121-2. [PMID: 24475400 DOI: 10.5812/nephropathol.7528] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2012] [Revised: 05/10/2012] [Accepted: 05/12/2012] [Indexed: 11/16/2022] Open
Affiliation(s)
- Milad Baradaran-Ghahfarokhi
- Medical Physics and Medical Engineering Department, School of Medicine Isfahan University of Medical Sciences Isfahan Iran
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Rafieian-Kopaei M, Nasri H, Nematbakhsh M, Baradaran A, Gheissari A, Rouhi H, Ahmadi Soleimani SM, Baradaran-Ghahfarokhi M, Ghaed-Amini F, Ardalan M. Erythropoietin ameliorates genetamicin-induced renal toxicity: A biochemical and histopathological study. J Nephropathol 2012; 1:109-16. [PMID: 24475398 DOI: 10.5812/nephropathol.7533] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2011] [Revised: 12/15/2011] [Accepted: 01/03/2012] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Investigations have attempted to modify the outcome of tubular injury by either ameliorating renal tubular damage or promoting tubular regeneration in the case of acute tubular necrosis. OBJECTIVES We investigated the protective effect of Eprex an erythropoietin analogue on tubular injury induced by gentamicin (GM). MATERIALS AND METHODS Forty male Wistar rats were randomly divided into four groups. In group 1,rats were served as a sham group. In group 2, rats were injected intraperitoneally with 100 mg/kg of GM for 10 consecutive days (positive control group) and then were sacrificed. In group 3, rats received GM for 10 days then Eprex 100U/kg was injected intraperitoneally for the next 10 days and then they were sacrificed at the day 20th. In group 4 rats were injected a combination of GM (80 mg/kg) and Eprex 100U/kg intraperitoneally for 10 days and then were sacrificed. RESULTS The results indicated that, Eprex prevented the increase in serum creatinine (Cr) and blood urea nitrogen (BUN). The effect of Eprex on damage score, showed that co-administration of GM and Eprex (group 3 and 4) reduced the kidney tissue damage compared to positive control group (P<0.05). This result indicat that Eprex potentially can reduce or prevent the kidney tissue damage. CONCLUSIONS Ameliorative effect of Eprex when the drug was given in combination with GM and also when the drug was applied after GM-induced tubular damage, revealed the renoprotective potency of Eprex. Eprex is a promising drug to prevent or attenuate tubular damage induced by GM or other nephrotoxic agents which act through the same mechanisms as gentamicin.
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Affiliation(s)
| | - Hamid Nasri
- Department of Nephrology, Division of Nephropathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mehdi Nematbakhsh
- Water and Electrolytes Research Center, Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azar Baradaran
- Department of Clinical Pathology, Isfahan University of Medical Sciences, Isfahan , Iran
| | - Alaleh Gheissari
- Isfahan Kidney Disease Research Center, Isfahan University of Medical Sciences, Isfahan , Iran
| | - Hamid Rouhi
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | | | | | - Fatemeh Ghaed-Amini
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Amini FG, Rafieian-Kopaei M, Nematbakhsh M, Baradaran A, Nasri H. Ameliorative effects of metformin on renal histologic and biochemical alterations of gentamicin-induced renal toxicity in Wistar rats. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2012; 17:621-5. [PMID: 23798920 PMCID: PMC3685776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2012] [Revised: 04/15/2012] [Accepted: 05/06/2012] [Indexed: 11/10/2022]
Abstract
BACKGROUND The aim of this study was to test the potential properties of metformin (MF) to protect the kidney from gentamicin (GM)-induced renal toxicity. MATERIALS AND METHODS In this preclinical study, 50 male Wistar rats were randomly divided into five groups of 10 rats in each. In the first group (group I), they were kept in the same condition as others without receiving drugs for 10 days. In group II, the rats were injected intraperitoneally with 100 mg/kg/day of GM for 10 consecutive days. Group III rats received 100 mg/kg/day MF orally for 10 days. In group IV, the rats received GM (100 mg/kg; intraperitoneally) for 10 days and 100 mg/kg/day MF orally for the next 10 days. In the last group (group V), the rats received a combination of GM 100 mg/kg/day intraperitoneally and MF 100 mg/kg/day orally for 10 days simultaneously. Serum blood urea nitrogen (BUN) and creatinine (Cr) values were measured and renal tissues of the animals were processed for light microscope examination. RESULTS The levels of BUN in groups II, IV, and V, and also the serum level of Cr in groups II and V were increased significantly after the experiment. Furthermore, post-treatment with MF or co-treatment with MF could prevent the elevation of serum BUN and Cr induced by GM and also attenuates the damage score (P < 0.05). CONCLUSIONS MF may prevent or ameliorate GM-induced acute renal failure, and therefore it might be beneficial in patients under treatment with this medicine.
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Affiliation(s)
- Fatemeh Ghaed Amini
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | | | - Mehdi Nematbakhsh
- Water and Electrolytes Research Center/Department of Physiology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Azar Baradaran
- Department of Pathology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Hamid Nasri
- Medical Plants Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran,Address for correspondence: Prof. Hamid Nasri, Medical Plants Research Center, Faculty of Medicine, Shahrekord University of Medical Sciences, Rahmatieh, Shahrekord, Iran. E-mail:
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