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Suilik HA, Al-Shammari AS, Soliman Y, Suilik MA, Naeim KA, Nawlo A, Abuelazm M. Efficacy of tacrolimus versus cyclosporine after lung transplantation: an updated systematic review, meta-analysis, and trial sequential analysis of randomized controlled trials. Eur J Clin Pharmacol 2024:10.1007/s00228-024-03750-1. [PMID: 39261378 DOI: 10.1007/s00228-024-03750-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Accepted: 08/26/2024] [Indexed: 09/13/2024]
Abstract
BACKGROUND Little data supports using tacrolimus versus cyclosporin for immunosuppression concerning acute rejection and bronchiolitis obliterans syndrome/Chronic Lung Allograft Dysfunction CLAD complications following lung transplantation (LTx). Our goal was to evaluate the use of tacrolimus versus cyclosporine in preventing these complications after LTx. METHODS We included randomized controlled trials (RCTs) by searching PubMed, Web of Science, SCOPUS, and Cochrane through January 10th, 2024. We pooled dichotomous data using the risk ratio (RR) and continuous data using the mean difference (MD) with a 95% confidence interval (CI). RESULTS We included Four RCTs with a total of 677 patients. Tacrolimus was significantly associated with decreased risk of acute rejection (RR: 1.21, 95% CI [1.03, 1.42], I2 = 25%, P = 0.02) compared with cyclosporine, bronchiolitis obliterans syndrome/CLAD (RR: 1.87, 95% CI [1.26, 2.77], I2 = 52%, P = 0.002), and treatment withdrawal (RR: 3.11, 95% CI [2.06, 4.70], I2 = 0%, P = < 0.00001). However, tacrolimus significantly increased the risk of new-onset diabetes (RR: 0.33, 95% CI [0.12, 0.91], I2 = 0%, P = 0.03), and kidney dysfunction (RR: 0.79, 95% CI [0.66, 0.93], I2 = 0%, P = 0.006). In contrast, there was no difference in the incidence of all-cause mortality (RR: 91, 95% CI [0.68, 1.22], I2 = 0%, P = 0.53), arterial hypertension (RR: 2.40, 95% CI [0.41, 14.21], I2 = 92%, P = 0.33), and new cancer (RR: 1.57, 95% CI [0.79, 3.10], I2 = 4%, P = 0.20). CONCLUSION Tacrolimus has decreased acute rejection episodes and CLAD rate than cyclosporine, but it increased the risk of new-onset diabetes and kidney dysfunction.
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Affiliation(s)
| | | | | | | | | | - Ahmad Nawlo
- Department of Infectious Disease, Brigham and Women's Hospital, Harvard Medical School, Boston, USA
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2
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Skalak HM, Haas K, Laub M, Mulloy LL. New onset diabetic ketoacidosis in a renal transplant recipient. Am J Med Sci 2024:S0002-9629(24)01439-3. [PMID: 39214247 DOI: 10.1016/j.amjms.2024.08.023] [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: 02/28/2024] [Revised: 08/20/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Post-transplant diabetes mellitus (PTDM) is a well-known solid organ transplant complication, which can be related to immunosuppressants, particularly tacrolimus. We report an unusual presentation of PTDM with diabetic ketoacidosis (DKA). This is unique as PTDM typically resembles Type 2 DM, whereas DKA is associated with Type 1 DM and has rarely been reported as a complication of tacrolimus. A 38-year-old African American male on LCP-tacrolimus presented four months post kidney transplant with vomiting, weakness, poor appetite, and polyuria. Labs demonstrated hyperglycemia, ketonuria, and high anion gap metabolic acidosis. He was nonobese and had no personal or family history of Type 2 DM. DKA was suspected to be secondary to tacrolimus-induced pancreatic beta cell damage worsened by supratherapeutic tacrolimus levels. Latent autoimmune diabetes in adults (LADA) was diagnosed when further testing showed insulinopenia, low C-peptide, and anti-glutamic acid decarboxylase (GAD) autoantibodies. He required 120-units of subcutaneous insulin daily. Our literature review revealed only 16 other tacrolimus-induced DKA cases. No cases reported anti-GAD positivity and most showed beta cell toxicity reversibility with tacrolimus tapering or substitution. Our patient was early post-transplant with leukocytopenia, so tacrolimus was not exchanged. This unusual PTDM case may have resulted from both autoimmune and tacrolimus-induced beta cell destruction. Physicians should be aware of new onset LADA post-transplantation and tacrolimus toxicity leading to DKA, even in patients without traditional risk factors. Anti-GAD antibody screening in patients on tacrolimus who develop PTDM may identify patients less likely to recover beta cell function with immunosuppression augmentation which requires careful monitoring.
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Affiliation(s)
| | | | - Melissa Laub
- Clinical Pharmacist, Solid Organ Transplant, Augusta University Medical Center Transplant Program, Augusta, Georgia
| | - Laura L Mulloy
- Professor and Chief Division of Nephrology, Medical College of Georgia at Augusta University, Augusta, Georgia.
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3
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Wang X, Yang H, An Z. Tacrolimus related diabetic ketoacidosis and hyperglycaemic hyperosmolar nonketotic syndrome: an observational, retrospective, pharmacovigilance study. Expert Opin Drug Saf 2024:1-6. [PMID: 39149847 DOI: 10.1080/14740338.2024.2393278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 07/09/2024] [Accepted: 07/11/2024] [Indexed: 08/17/2024]
Abstract
BACKGROUND Information on the incidence and risk factors for diabetic ketoacidosis (DKA) and hyperglycemic hyperosmolar nonketotic syndrome (HHNS) caused by tacrolimus has rarely been reported. This study aims to assess the spectrum of DKA/HHNS associated with tacrolimus. METHODS We conducted an observational, retrospective pharmacovigilance study using the Food and Drug Administration adverse event reporting system (FAERS) database. We employed the information component (IC) and reporting odds ratio (ROR) to evaluate the association between tacrolimus and DKA/HHNS. RESULTS A total of 232 events were identified as tacrolimus-related DKA/HHNS, 186 cases from DKA and 54 cases from HHNS. The frequency of tacrolimus-associated DKA and HHNS was found to be significantly higher compared to all other drugs. Specifically, HHNS was significantly associated with tacrolimus based on its ROR and IC. There were no significant differences in death and non-death cases in gender, age group, year of reporting and region of reporting. CONCLUSION Our study showed that DKA and HHNS were associated with tacrolimus use. Healthcare professionals should be aware of the possibility of DKA/HHNS following tacrolimus administration, as they were associated with an increased risk of mortality in transplant recipients.
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Affiliation(s)
- Xin Wang
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Hui Yang
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Zhuoling An
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
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4
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Bartmańska M, Wiecek A, Adamczak M. Plasma FGF21 Concentration in Kidney Transplant Patients-Results from Prospective and Cross-Sectional Studies. J Clin Med 2024; 13:4266. [PMID: 39064306 PMCID: PMC11278288 DOI: 10.3390/jcm13144266] [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: 05/28/2024] [Revised: 07/11/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Background/Objectives: Fibroblast growth factor 21 (FGF21) is a protein hormone involved in physiological conditions in the regulation of energy expenditure and several metabolic processes. The aim of this present study was to analyze the effect of successful kidney transplantations on the plasma FGF21 concentration and to study the factors which may influence plasma FGF21 concentration in patients in long time after kidney transplantation. Methods: This study consisted of two independent parts. The first part was a prospective observation of CKD patients in stage 5 before and then on the 14th and 30th day and 6 months after kidney transplantation. The second part of this study was the cross-sectional study completed in patients at least one year after kidney transplantation and the control group. In CKD patients directly before and during the early period after KTx, plasma FGF21 concentrations were measured four times (immediately before and 14 and 30 days and 6 months after KTx). In patients long time after kidney transplantation and in healthy subjects, plasma FGF21 concentration was measured once. Results: Forty patients with chronic kidney disease (CKD) who were either directly before or within the early period after kidney transplantation (KTx), 184 patients longtime after KTx and 50 healthy subjects were enrolled into this study. In CKD patients at the stage directly before receiving a KTx, the mean plasma FGF21 concentration was significantly higher than in the healthy subjects [1013.0 pg/mL versus 239.5 pg/mL, p < 0.001]. At 14, 30 days, and 6 months after the KTx, a significant decrease of plasma FGF21 was observed, with values of 322.5 pg/mL; 355.0 pg/mL; and 344.0 pg/mL (p < 0.001), respectively]. In patients long time after KTx, a negative correlation was found between the plasma FGF21 concentration and the estimated glomerular filtration rate and a positive correlation was found between the plasma FGF21 concentration and the BMI, the serum concentration of triglycerides, insulin, interleukin-6, CRP, and cystatin C. Conclusions: The plasma FGF21 concentration in patients with end-stage renal disease is higher than in healthy subjects and significantly decreases after a successful KTx. The plasma FGF21 concentration measured by ELISA in patients long time after kidney transplantation seems to be related to the degree of kidney function impairment and their metabolic status. The kidneys appear to be one of the main organs involved in the biodegradation and/or elimination of FGF21.
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Affiliation(s)
| | | | - Marcin Adamczak
- Department of Nephrology, Transplantation and Internal Medicine, Medical University of Silesia, 40-027 Katowice, Poland (A.W.)
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5
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Drachenberg CB, Buettner-Herold M, Aguiar PV, Horsfield C, Mikhailov AV, Papadimitriou JC, Seshan SV, Perosa M, Boggi U, Uva P, Rickels M, Grzyb K, Arend L, Cuatrecasas M, Toniolo MF, Farris AB, Renaudin K, Zhang L, Roufousse C, Gruessner A, Gruessner R, Kandaswamy R, White S, Burke G, Cantarovich D, Parsons RF, Cooper M, Kudva YC, Kukla A, Haririan A, Parajuli S, Merino-Torres JF, Argente-Pla M, Meier R, Dunn T, Ugarte R, Rao JS, Vistoli F, Stratta R, Odorico J. Banff 2022 pancreas transplantation multidisciplinary report: Refinement of guidelines for T cell-mediated rejection, antibody-mediated rejection and islet pathology. Assessment of duodenal cuff biopsies and noninvasive diagnostic methods. Am J Transplant 2024; 24:362-379. [PMID: 37871799 DOI: 10.1016/j.ajt.2023.10.011] [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: 08/24/2023] [Revised: 10/02/2023] [Accepted: 10/11/2023] [Indexed: 10/25/2023]
Abstract
The Banff pancreas working schema for diagnosis and grading of rejection is widely used for treatment guidance and risk stratification in centers that perform pancreas allograft biopsies. Since the last update, various studies have provided additional insight regarding the application of the schema and enhanced our understanding of additional clinicopathologic entities. This update aims to clarify terminology and lesion description for T cell-mediated and antibody-mediated allograft rejections, in both active and chronic forms. In addition, morphologic and immunohistochemical tools are described to help distinguish rejection from nonrejection pathologies. For the first time, a clinicopathologic approach to islet pathology in the early and late posttransplant periods is discussed. This update also includes a discussion and recommendations on the utilization of endoscopic duodenal donor cuff biopsies as surrogates for pancreas biopsies in various clinical settings. Finally, an analysis and recommendations on the use of donor-derived cell-free DNA for monitoring pancreas graft recipients are provided. This multidisciplinary effort assesses the current role of pancreas allograft biopsies and offers practical guidelines that can be helpful to pancreas transplant practitioners as well as experienced pathologists and pathologists in training.
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Affiliation(s)
| | - Maike Buettner-Herold
- Department of Nephropathology, Institute of Pathology, Friedrich-Alexander-University Erlangen-Nuremberg (FAU) and University Hospital, Erlangen, Germany
| | | | - Catherine Horsfield
- Department of Histopathology/Cytology, Guy's and St Thomas' NHS Foundation Trust, London, United Kingdom
| | - Alexei V Mikhailov
- Department of Pathology, Atrium Health Wake Forest Baptist, Winston-Salem, North Carolina, USA
| | - John C Papadimitriou
- Department of Pathology, University of Maryland School of Medicine, Maryland, USA
| | - Surya V Seshan
- Division of Renal Pathology, Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, Cornell University, New York, New York, USA
| | - Marcelo Perosa
- Beneficência Portuguesa and Bandeirantes Hospital of São Paulo, São Paulo, Brazil
| | - Ugo Boggi
- Department of Surgery, University of Pisa, Pisa, The province of Pisa, Italy
| | - Pablo Uva
- Kidney/Pancreas Transplant Program, Instituto de Trasplantes y Alta Complejidad (ITAC - Nephrology), Buenos Aires, Argentina
| | - Michael Rickels
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Hospital of the University of Pennsylvania, Philadelphia, Philadelphia, USA
| | - Krzyztof Grzyb
- Department of Pathology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Lois Arend
- Department of Pathology, Johns Hopkins School of Medicine, Baltimore, Maryland, USA
| | | | | | - Alton B Farris
- Department of Pathology, Emory University School of Medicine, Atlanta, Georgia, USA
| | | | - Lizhi Zhang
- Division of Anatomic Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - Candice Roufousse
- Department of Immunology and Inflammation, Imperial College of London, London, United Kingdom
| | - Angelika Gruessner
- Department of Nephrology/Medicine, State University of New York, New York, USA
| | - Rainer Gruessner
- Department of Surgery, State University of New York, New York, USA
| | - Raja Kandaswamy
- Division of Solid Organ Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Steven White
- Department of Surgery, Newcastle Upon Tyne NHS Foundation Trust, Newcastle upon Tyne, England, United Kingdom
| | - George Burke
- Division of Kidney-Pancreas Transplantation, Department of Surgery, Miami Transplant Institute, University of Miami Miller School of Medicine, Miami, Florida, USA
| | | | - Ronald F Parsons
- Department of Surgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Matthew Cooper
- Division of Transplant Surgery, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Yogish C Kudva
- Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Aleksandra Kukla
- Department of Medicine, Division of Nephrology and Hypertension, Mayo Clinic College of Medicine and Science, Mayo Clinic, Rochester, Minnesota, USA
| | - Abdolreza Haririan
- Department of Medicine, University of Maryland School of Medicine, Maryland, USA
| | - Sandesh Parajuli
- Department of Medicine, UWHealth Transplant Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Juan Francisco Merino-Torres
- Department of Endocrinology and Nutrition, University Hospital La Fe, La Fe Health Research Institute, University of Valencia, Valencia, Spain
| | - Maria Argente-Pla
- University Hospital La Fe, Health Research Institute La Fe, Valencia, Spain
| | - Raphael Meier
- Department of Surgery, University of Maryland School of Medicine, Maryland, USA
| | - Ty Dunn
- Division of Transplantation, Department of Surgery, Penn Transplant Institute, University of Pennsylvania, Pennsylvania, Philadelphia, USA
| | - Richard Ugarte
- Department of Medicine, University of Maryland School of Medicine, Maryland, USA
| | - Joseph Sushil Rao
- Division of Solid Organ Transplantation, Department of Surgery, University of Minnesota, Minneapolis, MN, USA; Schulze Diabetes Institute, Department of Surgery, University of Minnesota, Minneapolis, MN, USA
| | - Fabio Vistoli
- Department of Surgery, University of Pisa, Pisa, The province of Pisa, Italy
| | - Robert Stratta
- Department of Surgery, Atrium Health Wake Forest Baptist, Winston-Salem, North Carolina, USA
| | - Jon Odorico
- Division of Transplantation, Department of Surgery, UWHealth Transplant Center, University of Wisconsin School of Medicine and Public Health, Madison, Wisconsin, USA
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6
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Abderahmene A, Khalij Y, Moussa A, Ammar M, Ellouz A, Amor D, Abbes H, Ganouni MR, Sahtout W, Chouchene S, Omezzine A, Zellama D, Bouslama A. The pharmacogenetics of tacrolimus in renal transplant patients: association with tremors, new-onset diabetes and other clinical events. THE PHARMACOGENOMICS JOURNAL 2024; 24:3. [PMID: 38253626 DOI: 10.1038/s41397-024-00323-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024]
Abstract
Our study is the first study to investigate the effect of SNPs in CYP3A5, CYP3A4, ABCB1 and POR genes on the incidence of tremors, nephrotoxicity, and diabetes mellitus. A total of 223 renal transplant patients receiving tacrolimus and mycophenolate mofetil (MMF) were recruited. Both adults and children patients participated in the study. Genotyping was performed using PROFLEX-PCR followed by RFLP. MPA and tacrolimus plasma concentrations were measured by immunoassay. The AUC0-12h of MMF was estimated by a Bayesian method. We found a statistically significant association between the CYP3A5*3 and CYP3A4*1B genotypes and the tacrolimus exposure. We found a lower occurrence of nephrotoxicity (p = 0.03), tremor (p = 0.01), and new-onset diabetes (p = 0.002) associated with CYP3A5*1 allele. The CYP3A4*1B allele was significantly associated with a lower occurrence of new-onset diabetes (p = 0.026). The CYP3A5*1 allele was significantly associated with an increased risk of acute and chronic rejection (p = 0.03 and p < 0.001, respectively). Our results support the usefulness of tacrolimus pharmacokinetics in pre-kidney transplant assessments.
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Affiliation(s)
- Amani Abderahmene
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia.
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia.
| | - Yassine Khalij
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Amira Moussa
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Meriam Ammar
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Amel Ellouz
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Dorra Amor
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Houwaida Abbes
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Mohamed Rayen Ganouni
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Wissal Sahtout
- Nephrology Department, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
| | - Saoussen Chouchene
- Hematology Department, Fattouma Bourguiba University Hospital, 5000, Monastir, Tunisia
| | - Asma Omezzine
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
| | - Dorsaf Zellama
- Nephrology Department, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
| | - Ali Bouslama
- Biochemistry Department, LR12SP11, Sahloul University Hospital, Street Route Ceinture Sahloul, 4054, Sousse, Tunisia
- University of Monastir, Faculty of Pharmacy of Monastir, Street Ibn Sina, 5000, Monastir, Tunisia
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7
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Dziedziejko V, Safranow K, Kijko-Nowak M, Malinowski D, Domanski L, Pawlik A. Leptin receptor gene polymorphisms in kidney transplant patients with post-transplant diabetes mellitus treated with tacrolimus. Int Immunopharmacol 2023; 124:110989. [PMID: 37776770 DOI: 10.1016/j.intimp.2023.110989] [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: 03/06/2023] [Revised: 08/17/2023] [Accepted: 09/22/2023] [Indexed: 10/02/2023]
Abstract
Post-transplant diabetes mellitus (PTDM) is a metabolic complication that often occurs after kidney transplantation. Factors that increase the risk of this complication are currently being researched, including polymorphisms in genes affecting carbohydrate-lipid metabolism. Leptin is a hormone that affects appetite and adipose tissue and plays an important role in regulating insulin secretion as well as glucose and lipid metabolism. The aim of this study was to examine the association between leptin receptor gene polymorphisms and the development of post-transplant diabetes mellitus in patients treated with tacrolimus. The study was carried out in a group of 201 patients who underwent kidney transplantation. The follow-up period was 12 months. PTDM was diagnosed in 35 patients. Analysing the LEPR gene rs1137101 polymorphism, we observed in patients with PTDM an increased frequency of GG genotype carriers (GG vs AA, OR 3.36; 95 % CI 0.99-11.46; p = 0.04). There were no statistically significant differences in the distribution of the LEPR rs1137100 and LEPR rs1805094 polymorphisms between patients with and without PTDM. Multivariate regression analysis confirmed that female sex, advanced age, increased BMI and a higher number of LEPR rs1137101 G alleles were independent risk factors for PTDM development. The risk of PTDM development was almost 3.5 times greater in LEPR rs1137101 G allele carriers than in AA homozygotes (GG + AG vs AA; OR 3.48; 95 %CI (1.09-11.18), p = 0.035). The results suggest that patients after kidney transplantation with the LEPR gene rs1137101 G allele may have an increased risk of post-transplant diabetes development.
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Affiliation(s)
- Violetta Dziedziejko
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, 70-111 Szczecin, Poland.
| | - Krzysztof Safranow
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University, 70-111 Szczecin, Poland.
| | - Mirosława Kijko-Nowak
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland.
| | - Damian Malinowski
- Department of Experimental and Clinical Pharmacology, Pomeranian Medical University, 70-111 Szczecin, Poland.
| | - Leszek Domanski
- Department of Nephrology, Transplantology and Internal Medicine, Pomeranian Medical University, 70-111 Szczecin, Poland.
| | - Andrzej Pawlik
- Department of Physiology, Pomeranian Medical University, 70-111 Szczecin, Poland.
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8
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Anwar IJ, Berman DM, DeLaura I, Gao Q, Willman MA, Miller A, Gill A, Gill C, Perrin S, Ricordi C, Ruiz P, Song M, Ladowski JM, Kirk AD, Kenyon NS. The anti-CD40L monoclonal antibody AT-1501 promotes islet and kidney allograft survival and function in nonhuman primates. Sci Transl Med 2023; 15:eadf6376. [PMID: 37647390 PMCID: PMC10990482 DOI: 10.1126/scitranslmed.adf6376] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 07/26/2023] [Indexed: 09/01/2023]
Abstract
Prior studies of anti-CD40 ligand (CD40L)-based immunosuppression demonstrated effective prevention of islet and kidney allograft rejection in nonhuman primate models; however, clinical development was halted because of thromboembolic complications. An anti-CD40L-specific monoclonal antibody, AT-1501 (Tegoprubart), was engineered to minimize risk of thromboembolic complications by reducing binding to Fcγ receptors expressed on platelets while preserving binding to CD40L. AT-1501 was tested in both a cynomolgus macaque model of intrahepatic islet allotransplantation and a rhesus macaque model of kidney allotransplantation. AT-1501 monotherapy led to long-term graft survival in both islet and kidney transplant models, confirming its immunosuppressive potential. Furthermore, AT-1501-based regimens after islet transplant resulted in higher C-peptide, greater appetite leading to weight gain, and reduced occurrence of cytomegalovirus reactivation compared with conventional immunosuppression. These data support AT-1501 as a safe and effective agent to promote both islet and kidney allograft survival and function in nonhuman primate models, warranting further testing in clinical trials.
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Affiliation(s)
- Imran J. Anwar
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Dora M. Berman
- Diabetes Research Institute, University of Miami; Miami, FL 33136, USA
- Department of Surgery, University of Miami; Miami, FL 33136, USA
| | - Isabel DeLaura
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Qimeng Gao
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | | | - Allison Miller
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Alan Gill
- ALS Therapy Development Institute; Cambridge, MA 02472, USA
| | - Cindy Gill
- ALS Therapy Development Institute; Cambridge, MA 02472, USA
| | | | - Camillo Ricordi
- Diabetes Research Institute, University of Miami; Miami, FL 33136, USA
- Department of Surgery, University of Miami; Miami, FL 33136, USA
- Department of Microbiology and Immunology, University of Miami; Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami; Miami, FL 33136, USA
- Department of Medicine, University of Miami; Miami, FL 33136, USA
| | - Philip Ruiz
- Department of Surgery, University of Miami; Miami, FL 33136, USA
| | - Mingqing Song
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Joseph M Ladowski
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Allan D. Kirk
- Duke Transplant Center, Department of Surgery, Duke University School of Medicine; Durham, NC 27710, USA
| | - Norma S. Kenyon
- Diabetes Research Institute, University of Miami; Miami, FL 33136, USA
- Department of Surgery, University of Miami; Miami, FL 33136, USA
- Department of Microbiology and Immunology, University of Miami; Miami, FL 33136, USA
- Department of Biomedical Engineering, University of Miami; Miami, FL 33136, USA
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9
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Kuppan P, Wong J, Kelly S, Lin J, Worton J, Castro C, Paramor J, Seeberger K, Cuesta-Gomez N, Anderson CC, Korbutt GS, Pepper AR. Long-Term Survival and Induction of Operational Tolerance to Murine Islet Allografts by Co-Transplanting Cyclosporine A Microparticles and CTLA4-Ig. Pharmaceutics 2023; 15:2201. [PMID: 37765170 PMCID: PMC10537425 DOI: 10.3390/pharmaceutics15092201] [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: 08/11/2023] [Revised: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 09/29/2023] Open
Abstract
One strategy to prevent islet rejection is to create a favorable immune-protective local environment at the transplant site. Herein, we utilize localized cyclosporine A (CsA) delivery to islet grafts via poly(lactic-co-glycolic acid) (PLGA) microparticles to attenuate allograft rejection. CsA-eluting PLGA microparticles were prepared using a single emulsion (oil-in-water) solvent evaporation technique. CsA microparticles alone significantly delayed islet allograft rejection compared to islets alone (p < 0.05). Over 50% (6/11) of recipients receiving CsA microparticles and short-term cytotoxic T lymphocyte-associated antigen 4-Ig (CTLA4-Ig) therapy displayed prolonged allograft survival for 214 days, compared to 25% (2/8) receiving CTLA4-Ig alone. CsA microparticles alone and CsA microparticles + CTLA4-Ig islet allografts exhibited reduced T-cell (CD4+ and CD8+ cells, p < 0.001) and macrophage (CD68+ cells, p < 0.001) infiltration compared to islets alone. We observed the reduced mRNA expression of proinflammatory cytokines (IL-6, IL-10, INF-γ, and TNF-α; p < 0.05) and chemokines (CCL2, CCL5, CCL22, and CXCL10; p < 0.05) in CsA microparticles + CTLA4-Ig allografts compared to islets alone. Long-term islet allografts contained insulin+ and intra-graft FoxP3+ T regulatory cells. The rapid rejection of third-party skin grafts (C3H) in islet allograft recipients suggests that CsA microparticles + CTLA4-Ig therapy induced operational tolerance. This study demonstrates that localized CsA drug delivery plus short-course systemic immunosuppression promotes an immune protective transplant niche for allogeneic islets.
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Affiliation(s)
- Purushothaman Kuppan
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Jordan Wong
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Sandra Kelly
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Jiaxin Lin
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Jessica Worton
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Chelsea Castro
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Joy Paramor
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Karen Seeberger
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Nerea Cuesta-Gomez
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Colin C. Anderson
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Gregory S. Korbutt
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
| | - Andrew R. Pepper
- Alberta Diabetes Institute, University of Alberta, Edmonton, AL T6G 2E1, Canada; (P.K.); (J.W.); (S.K.); (J.L.); (J.W.); (C.C.); (J.P.); (K.S.); (N.C.-G.); (C.C.A.)
- Department of Surgery, University of Alberta, Edmonton, AL T6G 2E1, Canada
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10
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Granata S, Mercuri S, Troise D, Gesualdo L, Stallone G, Zaza G. mTOR-inhibitors and post-transplant diabetes mellitus: a link still debated in kidney transplantation. Front Med (Lausanne) 2023; 10:1168967. [PMID: 37250653 PMCID: PMC10213242 DOI: 10.3389/fmed.2023.1168967] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 04/25/2023] [Indexed: 05/31/2023] Open
Abstract
The mammalian target of rapamycin inhibitors (mTOR-Is, Sirolimus, and Everolimus) are immunosuppressive drugs widely employed in kidney transplantation. Their main mechanism of action includes the inhibition of a serine/threonine kinase with a pivotal role in cellular metabolism and in various eukaryotic biological functions (including proteins and lipids synthesis, autophagy, cell survival, cytoskeleton organization, lipogenesis, and gluconeogenesis). Moreover, as well described, the inhibition of the mTOR pathway may also contribute to the development of the post-transplant diabetes mellitus (PTDM), a major clinical complication that may dramatically impact allograft survival (by accelerating the development of the chronic allograft damage) and increase the risk of severe systemic comorbidities. Several factors may contribute to this condition, but the reduction of the beta-cell mass, the impairment of the insulin secretion and resistance, and the induction of glucose intolerance may play a pivotal role. However, although the results of several in vitro and in animal models, the real impact of mTOR-Is on PTDM is still debated and the entire biological machinery is poorly recognized. Therefore, to better elucidate the impact of the mTOR-Is on the risk of PTDM in kidney transplant recipients and to potentially uncover future research topics (particularly for the clinical translational research), we decided to review the available literature evidence regarding this important clinical association. In our opinion, based on the published reports, we cannot draw any conclusion and PTDM remains a challenge. However, also in this case, the administration of the lowest possible dose of mTOR-I should also be recommended.
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Affiliation(s)
- Simona Granata
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Silvia Mercuri
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Dario Troise
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Loreto Gesualdo
- Renal, Dialysis and Transplantation Unit, Department of Precision and Regenerative Medicine and Ionian Area (DIMEPRE-J), University of Bari, Bari, Italy
| | - Giovanni Stallone
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
| | - Gianluigi Zaza
- Nephrology, Dialysis and Transplantation Unit, Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
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11
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Ni J, Khalid A, Lin YC, Barakat MT, Wang J, Tsai CY, Azar PRS, Ding Y, Murayi JA, Jayaraman T, Poropatich R, Bottino R, Wen L, Papachristou GI, Swaminathan G, Yu M, Husain SZ. Preclinical safety evaluation of calcineurin inhibitors delivered through an intraductal route to prevent post-ERCP pancreatitis demonstrates endocrine and systemic safety. Pancreatology 2023:S1424-3903(23)00073-X. [PMID: 37031049 DOI: 10.1016/j.pan.2023.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/24/2023] [Accepted: 03/26/2023] [Indexed: 04/10/2023]
Abstract
OBJECTIVE There is an urgent need for safe and targeted interventions to mitigate post-ERCP pancreatitis (PEP). Calcineurin inhibitors (CnIs) offer therapeutic promise as calcineurin signaling within acinar cells is a key initiating event in PEP. In previous proof-of-concept studies using experimental models, we showed that concurrent intra-pancreatic ductal administration of the CnIs, tacrolimus (Tac) or cyclosporine A (CsA) with the ERCP radiocontrast agent (RC) prevented PEP. To translate this finding clinically, we investigated potential toxic effects of intraductal delivery of a single-dose RC-CnI formulation on endocrine pancreas function and systemic toxicities in a preclinical PEP model. METHODS C57BL/6J mice underwent ductal cannulation and received a single, intra-pancreatic ductal infusion of RC or RC with Tac or CsA (treatment groups) or underwent ductal cannulation without infusion ('sham' group). To assess endocrine function, intraperitoneal glucose tolerance test (IPGTT) was performed at two days before infusion and on day 2 and 14 post-surgery. To evaluate off-target tissue toxicities, renal and hepatic function-related parameters including blood urea nitrogen, plasma creatinine, potassium, aspartate aminotransferase, alanine aminotransferase, and total bilirubin were measured at the same time-points as IPGTT. Histological and biochemical indicators of pancreas injury and inflammation were also evaluated. RESULTS No abnormalities in glucose metabolism, hepatic or renal function were observed on day 2 or 14 in mice administered with intraductal RC or RC with Tac or CsA. CONCLUSION Intraductal delivery of RC-CnI formulation was safe and well-tolerated with no significant acute or subacute endocrine or systemic toxicities, underscoring its clinical utility to prevent PEP.
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Affiliation(s)
- Jianbo Ni
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA; Department of Gastroenterology and Shanghai Key Laboratory of Pancreatic Disease, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Asna Khalid
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Yu-Chu Lin
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Monique T Barakat
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA; Division of Gastroenterology and Hepatology, Department of Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Jing Wang
- Department of Radiology and Stanford Diabetes Research Center, Stanford University School of Medicine, Stanford, CA, USA
| | - Cheng-Yu Tsai
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Pasha Reza Shams Azar
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Ying Ding
- Department of Biostatistics, University of Pittsburgh, Pittsburgh, PA, USA
| | - Judy-April Murayi
- Division of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics, Nationwide Children's Hospital, Columbus, OH, USA
| | - Thottala Jayaraman
- Department of Oral and Craniofacial Sciences, School of Dental Medicine, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | | | - Rita Bottino
- Imagine Islet Center, Imagine Pharma, 1401 Forbes Avenue, Pittsburgh, PA, USA
| | - Li Wen
- Peking Union Medical College Hospital, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, China
| | | | - Gayathri Swaminathan
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA
| | - Mang Yu
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA.
| | - Sohail Z Husain
- Division of Gastroenterology, Hepatology and Nutrition, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA, USA.
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12
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Libman I, Haynes A, Lyons S, Pradeep P, Rwagasor E, Tung JYL, Jefferies CA, Oram RA, Dabelea D, Craig ME. ISPAD Clinical Practice Consensus Guidelines 2022: Definition, epidemiology, and classification of diabetes in children and adolescents. Pediatr Diabetes 2022; 23:1160-1174. [PMID: 36537527 DOI: 10.1111/pedi.13454] [Citation(s) in RCA: 54] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/09/2022] [Indexed: 12/24/2022] Open
Affiliation(s)
- Ingrid Libman
- Division of Pediatric Endocrinology, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Aveni Haynes
- Children's Diabetes Centre, Telethon Kids Institute, Perth, Western Australia, Australia
| | - Sarah Lyons
- Pediatric Diabetes and Endocrinology, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, USA
| | - Praveen Pradeep
- Department of Endocrinology, All India Institute of Medical Sciences, New Delhi, India
| | - Edson Rwagasor
- Rwanda Biomedical Center, Rwanda Ministry of Health, Kigali, Rwanda
| | - Joanna Yuet-Ling Tung
- Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong, Hong Kong
| | - Craig A Jefferies
- Starship Children's Health, Te Whatu Ora Health New Zealand, Auckland, New Zealand
| | - Richard A Oram
- Institute of Biomedical and Clinical Science, University of Exeter Medical School, Exeter, UK
| | - Dana Dabelea
- Department of Epidemiology, University of Colorado School of Medicine, Aurora, Colorado, USA
| | - Maria E Craig
- The Children's Hospital at Westmead, Sydney, New South Wales (NSW), Australia.,University of Sydney Children's Hospital Westmead Clinical School, Sydney, NEW, Australia.,Discipline of Paediatrics & Child Health, School of Clinical Medicine, University of NSW Medicine & Health, Sydney, NSW, Australia
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13
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Sayilar EI, Ersoy A, Ersoy C, Oruc A, Ayar Y, Sigirli D. The effect of calcineurin inhibitors on anthropometric measurements in kidney transplant recipients. BMC Nephrol 2022; 23:375. [DOI: 10.1186/s12882-022-03004-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 11/10/2022] [Indexed: 11/21/2022] Open
Abstract
Abstract
Background
This study was designed to investigate the effect of calcineurin inhibitors (CNIs), cyclosporine (CsA), and tacrolimus (Tac) on anthropometrics in kidney transplant recipients.
Methods
111 of 128 adult kidney transplant recipients who received post-transplant CNIs were included in this retrospective study. Anthropometrics were recorded in the pre-transplant and post-transplant 4-year follow-up periods (1st, 3rd, 6th, 12th, 24th, 36th and 48th months).
Results
Compared to pre-transplant values, significant increases in body weight and body mass index (between 3rd and 48th months), waist and hip circumferences (between 1st and 48th months), waist-to-hip ratio (between 1st and 3rd or 6th months) and neck circumference (between 1st and 12th or 24th months) were observed in both CsA and Tac groups. A significant increase was noted in post-transplant body fat percentage values for the 3rd to 24th months in the CsA group, whereas for the 24th to 48th months in both CsA and Tac groups. Hip circumferences percentage changes from the pre-transplant period to the 1st, 12th and 24th months were significantly higher in CsA than in the Tac group. At each time point, there was no significant difference in percentage changes for other anthropometric parameters between the CsA and Tac groups. De novo diabetes mellitus developed in 8.3% of the CsA group and 19.1% of the Tac group.
Conclusions
After a successful kidney transplant, anthropometric measurements increase in most recipients. Although the effect of calcineurin inhibitor type on weight gain is unclear, a regression analysis showed that CNI type was not a risk factor for the development of obesity in the 48th month. However, it is helpful to be cautious about its dyslipidemic effect in patients using CsA and the potential hazards of using Tac in patients with a diabetic predisposition.
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14
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Dyslipidemia in Transplant Patients: Which Therapy? J Clin Med 2022; 11:jcm11144080. [PMID: 35887846 PMCID: PMC9318180 DOI: 10.3390/jcm11144080] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/11/2022] [Accepted: 07/11/2022] [Indexed: 12/17/2022] Open
Abstract
Cardiovascular disease is the most important cause of death worldwide in recent years; an increasing trend is also shown in organ transplant patients subjected to immunosuppressive therapies, in which cardiovascular diseases represent one of the most frequent causes of long-term mortality. This is also linked to immunosuppressant-induced dyslipidemia, which occurs in 27 to 71% of organ transplant recipients. The aim of this review is to clarify the pathophysiological mechanisms underlying dyslipidemia in patients treated with immunosuppressants to identify immunosuppressive therapies which do not cause dyslipidemia or therapeutic pathways effective in reducing hypercholesterolemia, hypertriglyceridemia, or both, without further adverse events.
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15
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Ko EJ, Shin YJ, Cui S, Lim SW, Chung BH, Yang CW. Effect of dual inhibition of DPP4 and SGLT2 on tacrolimus-induced diabetes mellitus and nephrotoxicity in a rat model. Am J Transplant 2022; 22:1537-1549. [PMID: 35294797 DOI: 10.1111/ajt.17035] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 12/03/2021] [Accepted: 03/09/2022] [Indexed: 01/25/2023]
Abstract
Sodium/glucose co-transporter-2 inhibitor (SGLT2i) or dipeptidyl peptidase IV inhibitor (DPP4i) is a newer anti-diabetic drug in type II diabetes mellitus (DM), but their use in tacrolimus (TAC)-induced DM is still undetermined. We performed this study to evaluate the effect of these two drugs in TAC-induced DM and nephrotoxicity in ex vivo and in vivo. In the experimental Sprague Dawley rat model of TAC-induced DM and nephrotoxicity, dual inhibition of DPP4 and SGLT2 significantly decreased blood glucose level, HbA1C and increased plasma insulin levels and pancreatic islet size compared with each drug. In the kidney, dual inhibition improved renal function decreased interstitial fibrosis and profibrotic cytokines compared with DPP4i and SGLT2i alone. Increased oxidative stress by TAC was remarkably decreased with DPP4i or SGLT2i in serum, pancreatic and renal tissues and this decrease was much more significant in the combination group. In in vitro study, TAC decreased the cell viability of human kidney-2(HK-2) cells and insulin-secreting beta-cell-derived line(INS-1) cells. SGLT2i protected TAC-induced cell death in HK-2 cells, but not in INS-1 cells. The addition of DPP4i to SGLT2i compensated for a lack of protective effect of SGLT2i on INS-1 cells. This finding provides the rationale for the combined treatment of SGLG2i and DPP4i in TAC-induced DM and nephrotoxicity.
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Affiliation(s)
- Eun Jeong Ko
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Yoo Jin Shin
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Sheng Cui
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Sun Woo Lim
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Byung Ha Chung
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
| | - Chul Woo Yang
- Division of Nephrology, Department of Internal Medicine, College of Medicine, Transplantation Research Center, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea.,Convergent Research Consortium for Immunologic Disease, Seoul St. Mary's Hospital, The Catholic University of Korea, Seoul, Korea
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16
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Brodosi L, Petta S, Petroni ML, Marchesini G, Morelli MC. Management of Diabetes in Candidates for Liver Transplantation and in Transplant Recipients. Transplantation 2022; 106:462-478. [PMID: 34172646 PMCID: PMC9904447 DOI: 10.1097/tp.0000000000003867] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 11/25/2022]
Abstract
Diabetes is common in patients waitlisted for liver transplantation because of end-stage liver disease or hepatocellular cancer as well as in posttransplant phase (posttransplantation diabetes mellitus). In both conditions, the presence of diabetes severely affects disease burden and long-term clinical outcomes; careful monitoring and appropriate treatment are pivotal to reduce cardiovascular events and graft and recipients' death. We thoroughly reviewed the epidemiology of diabetes in the transplant setting and the different therapeutic options, from lifestyle intervention to antidiabetic drug use-including the most recent drug classes available-and to the inclusion of bariatric surgery in the treatment cascade. In waitlisted patients, the old paradigm that insulin should be the treatment of choice in the presence of severe liver dysfunction is no longer valid; novel antidiabetic agents may provide adequate glucose control without the risk of hypoglycemia, also offering cardiovascular protection. The same evidence applies to the posttransplant phase, where oral or injectable noninsulin agents should be considered to treat patients to target, limiting the impact of disease on daily living, without interaction with immunosuppressive regimens. The increasing prevalence of liver disease of metabolic origin (nonalcoholic fatty liver) among liver transplant candidates, also having a higher risk of noncirrhotic hepatocellular cancer, is likely to accelerate the acceptance of new drugs and invasive procedures, as suggested by international guidelines. Intensive lifestyle intervention programs remain however mandatory, both before and after transplantation. Achievement of adequate control is mandatory to increase candidacy, to prevent delisting, and to improve long-term outcomes.
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Affiliation(s)
- Lucia Brodosi
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Salvatore Petta
- Section of Gastroenterology and Hepatology, PROMISE, University of Palermo, Palermo, Italy
| | - Maria L. Petroni
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Giulio Marchesini
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
- Department of Medical and Surgical Sciences, Alma Mater University, Bologna, Italy
| | - Maria C. Morelli
- IRCCS – Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
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17
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Jia LL, Zhang M, Liu H, Sun J, Pan LL. Early-life fingolimod treatment improves intestinal homeostasis and pancreatic immune tolerance in non-obese diabetic mice. Acta Pharmacol Sin 2021; 42:1620-1629. [PMID: 33473182 PMCID: PMC8463616 DOI: 10.1038/s41401-020-00590-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 09/26/2020] [Indexed: 02/06/2023] Open
Abstract
Fingolimod has beneficial effects on multiple diseases, including type 1 diabetes (T1D) and numerous preclinical models of colitis. Intestinal dysbiosis and intestinal immune dysfunction contribute to disease pathogenesis of T1D. Thus, the beneficial effect of fingolimod on T1D may occur via the maintenance of intestinal homeostasis to some extent. Herein, we investigated the role of fingolimod in intestinal dysfunction in non-obese diabetic (NOD) mice and possible mechanisms. NOD mice were treated with fingolimod (1 mg · kg-1 per day, i.g.) from weaning (3-week-old) to 31 weeks of age. We found that fingolimod administration significantly enhanced the gut barrier (evidenced by enhanced expression of tight junction proteins and reduced intestinal permeability), attenuated intestinal microbial dysbiosis (evidenced by the reduction of enteric pathogenic Proteobacteria clusters), as well as intestinal immune dysfunction (evidenced by inhibition of CD4+ cells activation, reduction of T helper type 1 cells and macrophages, and the expansion of regulatory T cells). We further revealed that fingolimod administration suppressed the activation of CD4+ cells and the differentiation of T helper type 1 cells, promoted the expansion of regulatory T cells in the pancreas, which might contribute to the maintenance of pancreatic immune tolerance and the reduction of T1D incidence. The protection might be due to fingolimod inhibiting the toll-like receptor 2/4/nuclear factor-κB/NOD-like receptor protein 3 inflammasome pathway in the colon. Collectively, early-life fingolimod treatment attenuates intestinal microbial dysbiosis and intestinal immune dysfunction in the T1D setting, which might contribute to its anti-diabetic effect.
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Affiliation(s)
- Ling-Ling Jia
- Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Ming Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - He Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Jia Sun
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
- School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
| | - Li-Long Pan
- Wuxi School of Medicine, Jiangnan University, Wuxi, 214122, China.
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18
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Abstract
This review focuses on the human pancreatic islet-including its structure, cell composition, development, function, and dysfunction. After providing a historical timeline of key discoveries about human islets over the past century, we describe new research approaches and technologies that are being used to study human islets and how these are providing insight into human islet physiology and pathophysiology. We also describe changes or adaptations in human islets in response to physiologic challenges such as pregnancy, aging, and insulin resistance and discuss islet changes in human diabetes of many forms. We outline current and future interventions being developed to protect, restore, or replace human islets. The review also highlights unresolved questions about human islets and proposes areas where additional research on human islets is needed.
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Affiliation(s)
- John T Walker
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Diane C Saunders
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Marcela Brissova
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
| | - Alvin C Powers
- Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, Tennessee, USA
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
- VA Tennessee Valley Healthcare System, Nashville, Tennessee, USA
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19
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Büttner-Herold M, Amann K, Pfister F, Tannapfel A, Maslova M, Wunsch A, Pillokeit N, Viebahn R, Schenker P. [Pancreas transplantation-clinic, technique, and histological assessment]. DER PATHOLOGE 2021; 42:509-523. [PMID: 34415383 PMCID: PMC8390418 DOI: 10.1007/s00292-021-00982-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 07/06/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND In Germany pancreas transplants are performed in only a few selected and specialized centres, usually combined with a kidney transplant. Knowlegde of the indications for and techniques of transplantation as well as of the histopathological assessment for rejection in pancreas and duodenal biopsies is not very widespread. AIM To give an overview of the development and status quo in pancreas-kidney-transplantation in Germany summarizing the experience of the largest German pancreas transplant centre and to give a résumé of the results of histological diagnoses of biopsy specimens submitted between 06/2017 and 12/2020. Moreover, a detailed description and illustration of histological findings is included. MATERIAL AND METHODS A thorough literature search for aspects of the history, technique and indication for pancreas transplantation was performed and discussed in the context of the local experience and technical particularities specific for the transplant centre in Bochum. The occurrence of complications was compared with international reports. Results of pancreas and duodenal biopsies submitted to Erlangen between 06/2017 and 12/2020 for histological evaluation, which were evaluated according to the Banff classification, were summarized. For a better understanding key histological findings of pancreas rejection and differential diagnoses were illustrated and discussed. RESULTS A total of 93 pancreas transplant specimens and 3 duodenal biopsies were included. 34.4% of pancreas specimens did not contain representative material for a diagnosis. In the remaining 61 biopsies 24.6% showed no rejection, 62.3% were diagnosed with acute T-cell mediated rejection (TCMR) and 8.2% with signs suspicious of antibody-mediated rejection (ABMR). Acute acinary epithelial injury was seen in 59%, pancreatitis in 8.2% and allograft fibrosis was reported in as many as 54.1%. Calcineurin-inhibitor toxicity was discussed in only 4.9%. CONCLUSION Pancreas-kidney-transplantation and standardized histological assessment of the transplanted pancreas or rarely duodenum with reporting according to the updated Banff classification of pancreas transplants or previous reports of duodenal rejection are important mainstays in the management of patients with diabetes.
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Affiliation(s)
- Maike Büttner-Herold
- Abt. Nephropathologie, Pathologisches Institut, Universitätsklinikum Erlangen, Krankenhausstr. 8-10, 91054, Erlangen, Deutschland
| | - Kerstin Amann
- Abt. Nephropathologie, Pathologisches Institut, Universitätsklinikum Erlangen, Krankenhausstr. 8-10, 91054, Erlangen, Deutschland.
| | - Frederick Pfister
- Abt. Nephropathologie, Pathologisches Institut, Universitätsklinikum Erlangen, Krankenhausstr. 8-10, 91054, Erlangen, Deutschland
| | - Andrea Tannapfel
- Institut für Pathologie, Ruhr-Universität Bochum, Bochum, Deutschland
| | - Marina Maslova
- Institut für Diagnostische und Interventionelle Radiologie, Neuroradiologie und Nuklearmedizin, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum, Bochum, Deutschland
| | - Andreas Wunsch
- Chirurgische Klinik, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum, Bochum, Deutschland
| | - Nina Pillokeit
- Chirurgische Klinik, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum, Bochum, Deutschland
| | - Richard Viebahn
- Chirurgische Klinik, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum, Bochum, Deutschland
| | - Peter Schenker
- Chirurgische Klinik, Universitätsklinikum Knappschaftskrankenhaus Bochum, Ruhr-Universität Bochum, Bochum, Deutschland
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20
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Shrestha M, Nguyen TT, Park J, Choi JU, Yook S, Jeong JH. Immunomodulation effect of mesenchymal stem cells in islet transplantation. Biomed Pharmacother 2021; 142:112042. [PMID: 34403963 DOI: 10.1016/j.biopha.2021.112042] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/06/2021] [Accepted: 08/09/2021] [Indexed: 12/11/2022] Open
Abstract
Mesenchymal stem cells (MSCs) therapy has brought a great enthusiasm to the treatment of various immune disorders, tissue regeneration and transplantation therapy. MSCs are being extensively investigated for their immunomodulatory actions. MSCs can deliver immunomodulatory signals to inhibit allogeneic T cell immune responses by downregulating pro-inflammatory cytokines and increasing regulatory cytokines and growth factors. Islet transplantation is a therapeutic alternative to the insulin therapy for the treatment of type 1 diabetes mellitus (T1DM). However, the acute loss of islets due to the lack of vasculature and hypoxic milieu in the immediate post-transplantation period may lead to treatment failure. Moreover, despite the use of potent immunosuppressive drugs, graft failure persists because of immunological rejection. Many in vitro and in vivo researches have demonstrated the multipotency of MSCs as a mediator of immunomodulation and a great approach for enhancement of islet engraftment. MSCs can interact with immune cells of the innate and adaptive immune systems via direct cell-cell contact or through secretomes containing numerous soluble growth and immunomodulatory factors or mitochondrial transfer. This review highlights the interactions between MSCs and different immune cells to mediate immunomodulatory functions along with the importance of MSCs therapy for the successful islet transplantation.
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Affiliation(s)
- Manju Shrestha
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Tiep Tien Nguyen
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea
| | - Jooho Park
- Department of Biomedical Chemistry, College of Biomedical & Health Science, Konkuk University, Chungju 27478, Republic of Korea
| | - Jeong Uk Choi
- College of Pharmacy, Chonnam University, Gwangju 61186, Republic of Korea
| | - Simmyung Yook
- College of Pharmacy, Keimyung University, Daegu 42601, Republic of Korea.
| | - Jee-Heon Jeong
- College of Pharmacy, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Republic of Korea.
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21
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Tong L, Li W, Zhang Y, Zhou F, Zhao Y, Zhao L, Liu J, Song Z, Yu M, Zhou C, Yu A. Tacrolimus inhibits insulin release and promotes apoptosis of Min6 cells through the inhibition of the PI3K/Akt/mTOR pathway. Mol Med Rep 2021; 24:658. [PMID: 34278483 DOI: 10.3892/mmr.2021.12297] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 06/06/2021] [Indexed: 11/06/2022] Open
Abstract
As a calcineurin inhibitor, tacrolimus is commonly used as a first‑line immunosuppressant in organ transplant recipients. Post‑transplantation diabetes mellitus (PTDM) is a common complication following kidney transplantation and is associated with immunosuppressant drugs, such as tacrolimus. PTDM caused by tacrolimus may be related to its influence on insulin secretion and insulin resistance. However, the specific mechanism has not been fully elucidated. The aim of the present study was to investigate whether the PI3K/Akt/mTOR signaling pathway served an important role in the pathogenesis of PTDM induced by tacrolimus. In the present study, the Cell Counting Kit‑8 assay was used to measure the effect of tacrolimus on the viability of Min6 mouse insulinoma cells. The effects of tacrolimus on the insulin secretion and the activity of caspase‑3 of Min6 cells stimulated by glucose exposure were measured by ELISA. Superoxide dismutase (SOD) and malondialdehyde (MDA) levels were measured using WST‑8 and thiobarbituric acid assays, respectively. The effects of tacrolimus on the mRNA expression levels of PI3K, Akt and mTOR were detected by reverse transcription‑quantitative PCR (RT‑qPCR), whereas the protein expression levels of PI3K, Akt, mTOR, phosphorylated (p)‑AKT and p‑mTOR in Min6 cells were assessed using western blotting. The present data indicated that, compared with the control group, 5, 25 and 50 ng/ml tacrolimus treatment could inhibit the insulin secretion of Min6 cells stimulated by glucose solution, and 50 ng/ml tacrolimus could notably decrease the stimulation index (P<0.05). Moreover, 50 ng/ml tacrolimus markedly increased the activity of caspase‑3 by 175.1% (P<0.05), it also decreased the SOD activity (P<0.01) and increased MDA levels (P<0.05). The RT‑qPCR results demonstrated that the mRNA expression levels of PI3K, Akt and mTOR were downregulated by 25 and 50 ng/ml tacrolimus (P<0.01). Furthermore, the western blotting results suggested that tacrolimus had no significant effects on the expression levels of total PI3K, Akt and mTOR proteins (P>0.05), but 25 and 50 ng/ml tacrolimus could significantly inhibit the expression levels of p‑Akt and p‑mTOR (P<0.01). In conclusion, tacrolimus decreased the activity and insulin secretion of pancreatic β cells and induced the apoptosis of islet β cells by inhibiting the mRNA expression levels of PI3K, Akt and mTOR and reducing the phosphorylation of Akt and mTOR proteins in the PI3K/Akt/mTOR signaling pathway, which may ultimately lead to the occurrence of diabetes mellitus, and may be considered as one of the specific mechanisms of PTDM caused by tacrolimus.
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Affiliation(s)
- Ling Tong
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Weiliang Li
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Ying Zhang
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Fan Zhou
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Yan Zhao
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Linlin Zhao
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Jing Liu
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Zhirui Song
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Mengchen Yu
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Chengrui Zhou
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
| | - Airong Yu
- Department of Clinical Pharmacy, General Hospital of Central Theater Command, Wuhan, Hubei 430000, P.R. China
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22
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Harb IA, Ashour H, Sabry D, El-Yasergy DF, Hamza WM, Mostafa A. Nicorandil prevents the nephrotoxic effect of cyclosporine-A in albino rats through modulation of HIF-1α/VEGF/eNOS signaling. Can J Physiol Pharmacol 2021; 99:411-417. [PMID: 32822562 DOI: 10.1139/cjpp-2020-0012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Despite that cyclosporine-A (CsA) is a widely used immunosuppressive drug, its nephrotoxic effect limits its long-term administration. Herein we tried to investigate its renal effect on endothelial dysfunction targeting the hypoxia-inducible factor (HIF-1α) / vascular endothelial growth factor (VEGF) / endothelial nitric oxide synthase (eNOS) pathway and the possible modulation by nicorandil. Eight groups of adult male Wistar rats were included: (1) control; (2) vehicle group (received oil); (3) glibenclamide 5 mg·kg-1·day-1 administered orally; (4) nicorandil 10 mg·kg-1·day-1 administered orally; (5) CsA 25 mg·kg-1·day-1 administered orally; (6) combined administration of CsA and nicorandil; (7) glibenclamide was added to CsA; and (8) both CsA and nicorandil were combined with glibenclamide. The treatment continued for six weeks. Combined nicorandil with CsA improved renal function deterioration initiated by CsA. CsA decreased the renal expression levels (P < 0.001) of HIF-1α, eNOS, and VEGF, inducing endothelial dysfunction and triggering inflammation, and upregulated the profibrotic marker transforming growth factor (TGF-β). Nicorandil fixed the disturbed HIF-1α/VEGF/eNOS signaling. Nicorandil corrected the renal functions, confirmed by the improved histological glomerular tuft retraction that was obvious in the CsA group, without significant influence by glibenclamide. Proper protection from CsA-induced nephrotoxicity was achieved by nicorandil. Nicorandil reversed the disturbed HIF-1α/VEGF/eNOS pathway created by CsA.
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Affiliation(s)
- Inas A Harb
- Department of Pharmacology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Hend Ashour
- Department of Physiology, Faculty of Medicine, King Khalid University, Abha, Kingdom of Saudi Arabia
- Department of Physiology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Dina Sabry
- Department of Medical Biochemistry and Molecular Biology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Dina Fawzy El-Yasergy
- Department of Pathology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Wael Mostafa Hamza
- Department of Pathology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Abeer Mostafa
- Department of Medical Biochemistry and Molecular Biology, Kasr Alainy, Faculty of Medicine, Cairo University, Cairo, Egypt
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23
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Rysz J, Franczyk B, Radek M, Ciałkowska-Rysz A, Gluba-Brzózka A. Diabetes and Cardiovascular Risk in Renal Transplant Patients. Int J Mol Sci 2021; 22:3422. [PMID: 33810367 PMCID: PMC8036743 DOI: 10.3390/ijms22073422] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/05/2021] [Accepted: 03/08/2021] [Indexed: 02/06/2023] Open
Abstract
End-stage kidney disease (ESKD) is a main public health problem, the prevalence of which is continuously increasing worldwide. Due to adverse effects of renal replacement therapies, kidney transplantation seems to be the optimal form of therapy with significantly improved survival, quality of life and diminished overall costs compared with dialysis. However, post-transplant patients frequently suffer from post-transplant diabetes mellitus (PTDM) which an important risk factor for cardiovascular and cardiovascular-related deaths after transplantation. The management of post-transplant diabetes resembles that of diabetes in the general population as it is based on strict glycemic control as well as screening and treatment of common complications. Lifestyle interventions accompanied by the tailoring of immunosuppressive regimen may be of key importance to mitigate PTDM-associated complications in kidney transplant patients. More transplant-specific approach can include the exchange of tacrolimus with an alternative immunosuppressant (cyclosporine or mammalian target of rapamycin (mTOR) inhibitor), the decrease or cessation of corticosteroid therapy and caution in the prescribing of diuretics since they are independently connected with post-transplant diabetes. Early identification of high-risk patients for cardiovascular diseases enables timely introduction of appropriate therapeutic strategy and results in higher survival rates for patients with a transplanted kidney.
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Affiliation(s)
- Jacek Rysz
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland; (J.R.); (B.F.)
| | - Beata Franczyk
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland; (J.R.); (B.F.)
| | - Maciej Radek
- Department of Neurosurgery, Surgery of Spine and Peripheral Nerves, Medical University of Lodz, 90-549 Lodz, Poland;
| | | | - Anna Gluba-Brzózka
- Department of Nephrology, Hypertension and Family Medicine, Medical University of Lodz, 90-549 Lodz, Poland; (J.R.); (B.F.)
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24
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van den Hoogen MWF, Seghers L, Manintveld OC, Roest S, Bekkers JA, den Hoed CM, Minnee RC, de Geus HRH, van Thiel RJ, Hesselink DA. Care for the organ transplant recipient on the intensive care unit. J Crit Care 2021; 64:37-44. [PMID: 33784577 DOI: 10.1016/j.jcrc.2021.03.003] [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: 12/28/2020] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 11/25/2022]
Abstract
All transplant recipients receive tacrolimus, mycophenolate and glucocorticoids and these drugs have many side-effects and drug-drug interactions. Common complications include surgical complications, infections, rejection and acute kidney injury. Infections as CMV and PJP can be prevented with prophylactic treatment. Given the complexity of organ transplant recipients a multi-disciplinary team of intensivists, surgeons, pharmacists and transplant specialists is essential. After heart transplantation a temporary pacemaker is required until the conduction system recovers. Stiffening of the heart and increased cardiac markers indicate rejection. An endomyocardial biopsy is performed via the right jugular vein, necessitating its preservation. For lung transplant patients, early intervention for aspiration is warranted to prevent chronic rejection. Risk of any infection is high, requiring active surveillance and intensive treatment, mainly of fungal infections. The liver is immunotolerant requiring lower immunosuppression. Transplantation surgery is often accompanied by massive blood loss and coagulopathy. Other complications include portal vein or hepatic artery thrombosis and biliary leakage or stenosis. Kidney transplant recipients have a high risk of cardiovascular disease and posttransplant anemia should be treated liberally. After postmortal transplantation, delayed graft function is common and dialysis is continued. Ureteral anastomosis complications can be diagnosed with ultrasound.
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Affiliation(s)
- M W F van den Hoogen
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands.
| | - L Seghers
- Department of Pulmonology, Thorax Center, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - O C Manintveld
- Department of Cardiology, Thorax Center, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - S Roest
- Department of Cardiology, Thorax Center, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - J A Bekkers
- Department of Thorax Surgery, Thorax Center, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - C M den Hoed
- Department of Gastroenterology, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - R C Minnee
- Department of Surgery, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - H R H de Geus
- Department of Intensive Care, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - R J van Thiel
- Department of Intensive Care, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
| | - D A Hesselink
- Department of Internal Medicine, Division of Nephrology and Transplantation, Erasmus MC Transplant Institute, University Medical Center Rotterdam, Rotterdam, the Netherlands
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25
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Chevallier E, Jouve T, Rostaing L, Malvezzi P, Noble J. pre-existing diabetes and PTDM in kidney transplant recipients: how to handle immunosuppression. Expert Rev Clin Pharmacol 2020; 14:55-66. [PMID: 33196346 DOI: 10.1080/17512433.2021.1851596] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION Preexisting diabetes (PD) and post-transplant diabetes mellitus (PTDM) are common and severe comorbidities posttransplantation. The immunosuppressive regimens are modifiable risk factors. AREAS COVERED We reviewed Pubmed and Cochrane database and we summarize the mechanisms and impacts of available immunosuppressive treatments on the risk of PD and PTDM. We also assess the possible management of these drugs to improve glycemic parameters while considering risks inherent in transplantation. EXPERT OPINION PD i) increases the risk of sepsis, ii) is an independent risk factor for infection-related mortality, and iii) increases acute rejection risk. Regarding PTDM development i) immunosuppressive strategies without corticosteroids significantly reduce the risk but the price may be a higher incidence of rejection; ii) minimization or rapid withdrawal of steroids are two valuable approaches; iii) the diabetogenic role of calcineurin inhibitors(CNIs) is also well-described and is more important for tacrolimus than for cyclosporine. Reducing tacrolimus-exposure may improve glycemic parameters but also has a higher risk of rejection. PTDM risk is higher in patients that receive sirolimus compared to mycophenolate mofetil. Finally, conversion from CNIs to belatacept may offer the best benefits to PTDM-recipients in terms of glycemic parameters, graft and patient-outcomes.
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Affiliation(s)
- Eloi Chevallier
- Service De Néphrologie, Hémodialyse, Aphérèses Et Transplantation Rénale, CHU Grenoble-Alpes , Grenoble, France
| | - Thomas Jouve
- Service De Néphrologie, Hémodialyse, Aphérèses Et Transplantation Rénale, CHU Grenoble-Alpes , Grenoble, France.,Université Grenoble Alpes , Grenoble, France
| | - Lionel Rostaing
- Service De Néphrologie, Hémodialyse, Aphérèses Et Transplantation Rénale, CHU Grenoble-Alpes , Grenoble, France.,Université Grenoble Alpes , Grenoble, France
| | - Paolo Malvezzi
- Service De Néphrologie, Hémodialyse, Aphérèses Et Transplantation Rénale, CHU Grenoble-Alpes , Grenoble, France
| | - Johan Noble
- Service De Néphrologie, Hémodialyse, Aphérèses Et Transplantation Rénale, CHU Grenoble-Alpes , Grenoble, France
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26
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Pancreatic Islet Changes in Human Whole Organ Pancreas Explants: What Can Be Learned From Explanted Samples? Transplant Direct 2020; 6:e613. [PMID: 33134489 PMCID: PMC7575169 DOI: 10.1097/txd.0000000000001059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 06/24/2020] [Accepted: 07/14/2020] [Indexed: 01/09/2023] Open
Abstract
Background. Whole pancreas transplantation (Tx) is a successful treatment for type 1 diabetes resulting in independence from antidiabetic therapies. Transplant-related factors contributing to pancreatic islet failure are largely unknown; both recurring insulitis and pancreatitis have been implicated. The aim was to determine if cellular changes in islets and exocrine tissue are evident early in Tx, which could contribute to eventual graft failure using well-preserved tissue of grafts explanted from largely normoglycemic recipients. Methods. Histological specimens of explants (n = 31), Tx duration 1 day–8 years (median 29 d), cold ischemia time 7.2–17.3 hours (median 11.1 h), donor age 13–54 years (median 38 y) were examined; sections were labeled for inflammation, islet amyloidosis, and tissue fibrosis, and morphometry performed on immunolabeled insulin and glucagon positive islet cells. Data were related to clinical details of donor, recipient, and features of Tx. Results. Islet inflammation consistent with recurrent insulitis was not seen in any sample. Insulin-labeled islet cell proportion decreased with donor age (P < 0.05) and cold ischemia (P < 0.01) in explants from 26 normoglycemic patients; glucagon-labeled area proportion increased with cold ischemia (P < 0.05). Clinical pancreatitis was the explant reason in 12 of 28 normoglycemic cases. Exocrine fibrotic area/pancreas was variable (0.7%–55%) and unrelated to clinical/pathological features. Islet amyloid was present in 3 normoglycemic cases (donor ages 58, 42, and 31 y; Tx duration 8 y, 31 and 33 d, respectively). In 1 patient receiving antidiabetic therapy, the insulin-labeled area was reduced but with no evidence of islet inflammation. Conclusions. Explant histological changes after short-term Tx are similar to those seen in type 2 diabetes and occur in the absence of immunologic rejection without causing hyperglycemia. This suggests that factors associated with Tx affect islet stability; persistent deterioration of islet integrity and exocrine tissue fibrosis could impact on sustainability of islet function.
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Manay P, Turgeon N, Axelrod DA. Role of Whole Organ Pancreas Transplantation in the Day of Bioartificial and Artificial Pancreas. CURRENT TRANSPLANTATION REPORTS 2020. [DOI: 10.1007/s40472-020-00300-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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28
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Abstract
BACKGROUND Posttransplant diabetes mellitus (PTDM) affects up to 50% of solid organ transplant recipients and compromises long-term outcomes. The goal of this study was to investigate how immunosuppressants affect gene expression in a manner that increases diabetes risk, by performing integrative analysis on publicly available, high-throughput gene expression data. METHODS All high-throughput gene expression datasets of solid organ transplant recipients were retrieved from the Gene Expression Omnibus. Significantly dysregulated genes and pathways were determined, and those in common with type 2 diabetes were identified. THP-1 and HepG2 cells were exposed in vitro to tacrolimus, and validation of genes involved in insulin signaling and glucose metabolism was performed using specific arrays. These cells were then treated with the hypoglycemic agents, metformin, and insulin to assess for appropriate reversion of specific diabetogenic genes. RESULTS Insulin signaling and secretion were the most commonly dysregulated pathways that overlapped with diabetes in transplant recipients. KRAS, GRB2, PCK2, BCL2L1, INSL3, DOK3, and PTPN1 were among the most significantly upregulated genes in both immunosuppression and diabetes subsets and were appropriately reverted by metformin as confirmed in vitro. CONCLUSIONS We discovered that the significantly dysregulated genes in the context of immunosuppression are implicated in insulin signaling and insulin secretion, as a manifestation of pancreatic β-cell function. In vitro validation confirmed key diabetes-related genes in the context of immunosuppression. Further analysis and in vitro validation revealed that metformin optimally reverts diabetogenic genes dysregulated in the context of immunosuppression. The optimal therapeutic management of posttransplant diabetes mellitus needs to be further investigated, taking into account the mechanistic impact of immunosuppressants.
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29
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Abstract
Solid organ transplantation (SOT) is an established therapeutic option for chronic disease resulting from end-stage organ dysfunction. Long-term use of immunosuppression is associated with post-transplantation diabetes mellitus (PTDM), placing patients at increased risk of infections, cardiovascular disease and mortality. The incidence rates for PTDM have varied from 10 to 40% between different studies. Diagnostic criteria have evolved over the years, as a greater understating of PTDM has been reached. There are differences in pathophysiology and clinical course of type 2 diabetes and PTDM. Hence, managing this condition can be a challenge for a diabetes physician, as there are several factors to consider when tailoring therapy for post-transplant patients to achieve better glycaemic as well as long-term transplant outcomes. This article is a detailed review of PTDM, examining the pathogenesis, diagnostic criteria and management in light of the current evidence. The therapeutic options are discussed in the context of their safety and potential drug-drug interactions with immunosuppressive agents.
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Affiliation(s)
| | - Kathryn Biddle
- St George's University Hospitals NHS Foundation Trust, London, UK
| | | | - Shazli Azmi
- Manchester University NHS Foundation Trust, Manchester, UK
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de Lucena DD, de Sá JR, Medina-Pestana JO, Rangel ÉB. Modifiable Variables Are Major Risk Factors for Posttransplant Diabetes Mellitus in a Time-Dependent Manner in Kidney Transplant: An Observational Cohort Study. J Diabetes Res 2020; 2020:1938703. [PMID: 32258163 PMCID: PMC7109550 DOI: 10.1155/2020/1938703] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 03/04/2020] [Indexed: 02/07/2023] Open
Abstract
Modifiable and nonmodifiable risk factors for developing posttransplant diabetes mellitus (PTDM) have already been established in kidney transplant setting and impact adversely both patient and allograft survival. We analysed 450 recipients of living and deceased donor kidney transplants using current immunosuppressive regimen in the modern era and verified PTDM prevalence and risk factors over three-year posttransplant. Tacrolimus (85%), prednisone (100%), and mycophenolate (53%) were the main immunosuppressive regimen. Sixty-one recipients (13.5%) developed PTDM and remained in this condition throughout the study, whereas 74 (16.5%) recipients developed altered fasting glucose over time. Univariate analyses demonstrated that recipient age (46.2 ± 1.3vs. 40.7 ± 0.6 years old, OR 1.04; P = 0.001) and pretransplant hyperglycaemia and BMI ≥ 25 kg/m2 (32.8% vs. 21.6%, OR 0.54; P = 0.032 and 57.4% vs. 27.7%, OR 3.5; P < 0.0001, respectively) were the pretransplant variables associated with PTDM. Posttransplant transient hyperglycaemia (86.8%. 18.5%, OR 0.03; P = 0.0001), acute rejection (P = 0.021), calcium channel blockers (P = 0.014), TG/HDL (triglyceride/high-density lipoprotein cholesterol) ratio ≥ 3.5 at 1 year (P = 0.01) and at 3 years (P = 0.0001), and tacrolimus trough levels at months 1, 3, and 6 were equally predictors of PTDM. In multivariate analyses, pretransplant hyperglycaemia (P = 0.035), pretransplant BMI ≥ 25 kg/m2 (P = 0.0001), posttransplant transient hyperglycaemia (P = 0.0001), and TG/HDL ratio ≥ 3.5 at 3-year posttransplant (P = 0.003) were associated with PTDM diagnosis and maintenance over time. Early identification of risk factors associated with increased insulin resistance and decreased insulin secretion, such as pretransplant hyperglycaemia and overweight, posttransplant transient hyperglycaemia, tacrolimus trough levels, and TG/HDL ratio may be useful for risk stratification of patients to determine appropriate strategies to reduce PTDM.
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Affiliation(s)
- Débora Dias de Lucena
- Nephrology Division, Universidade Federal de São Paulo/Hospital do Rim, São Paulo, SP, Brazil
| | - João Roberto de Sá
- Endocrinology Division, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - José O. Medina-Pestana
- Nephrology Division, Universidade Federal de São Paulo/Hospital do Rim, São Paulo, SP, Brazil
| | - Érika Bevilaqua Rangel
- Nephrology Division, Universidade Federal de São Paulo/Hospital do Rim, São Paulo, SP, Brazil
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil
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Late Conversion From Calcineurin Inhibitors to Belatacept in Kidney-Transplant Recipients Has a Significant Beneficial Impact on Glycemic Parameters. Transplant Direct 2019; 6:e517. [PMID: 32047845 PMCID: PMC6964931 DOI: 10.1097/txd.0000000000000964] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 11/03/2019] [Accepted: 11/10/2019] [Indexed: 12/13/2022] Open
Abstract
Background. Calcineurin inhibitors (CNIs) and steroids are strongly associated with new-onset diabetes after transplantation, worsening of pre-existing diabetes, and cardiovascular events. We assessed the benefit of conversion from CNI-based to belatacept-based immunosuppression in diabetic kidney-transplant (KT) recipients on glucose control and cardiovascular risk factors. Methods. In this retrospective, noncontrolled single-study conducted between May 2016 and October 26, 2018, we recruited KT recipients converted from CNIs to belatacept at least 6 months after KT. The primary endpoint was the evolution of hemoglobin A1c (HbA1c) between baseline and after 6 months of treatment. Secondary endpoints included modifications to antidiabetic drugs, other cardiovascular risk factors, and renal function. Results. One hundred and three KT recipients were included. Of these, 26 (25%) had type 2 diabetes. The patients were either receiving oral antidiabetic drugs (n = 21; 75%) or insulin therapy (n = 14; 54%). Overall HbA1c decreased significantly from 6.2 ± 1 to 5.8 ± 1%, P < 0.001. In diabetic patients, HbA1c decreased from 7.2 ± 1 to 6.5 ± 1%, P = 0.001. HbA1c significantly decreased in the subgroup of patients with new-onset diabetes after transplantation and whether diabetes was controlled at inclusion or not (ie, HA1c ≤7% or >7%). Moreover, no diabetic patient increased the number of oral antidiabetic drugs and the dose of basal insulin was not statistically different from baseline to 6 months (16 international unit at baseline and 16 international unit at 6 mo, P = 1). One patient had to start treatment by insulin pump. During follow-up, the renal function, body mass index, and hemoglobin level of all 103 patients remained stable, 2 patients presented acute cellular rejection, and no patient suffered from graft loss. Conclusions. A late switch from CNI to belatacept was a valuable therapeutic option for diabetic kidney recipients and substantially improved glycemic parameters.
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Kim HJ, Moon JH, Chung H, Shin JS, Kim B, Kim JM, Kim JS, Yoon IH, Min BH, Kang SJ, Kim YH, Jo K, Choi J, Chae H, Lee WW, Kim S, Park CG. Bioinformatic analysis of peripheral blood RNA-sequencing sensitively detects the cause of late graft loss following overt hyperglycemia in pig-to-nonhuman primate islet xenotransplantation. Sci Rep 2019; 9:18835. [PMID: 31827198 PMCID: PMC6906328 DOI: 10.1038/s41598-019-55417-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 11/12/2019] [Indexed: 01/19/2023] Open
Abstract
Clinical islet transplantation has recently been a promising treatment option for intractable type 1 diabetes patients. Although early graft loss has been well studied and controlled, the mechanisms of late graft loss largely remains obscure. Since long-term islet graft survival had not been achieved in islet xenotransplantation, it has been impossible to explore the mechanism of late islet graft loss. Fortunately, recent advances where consistent long-term survival (≥6 months) of adult porcine islet grafts was achieved in five independent, diabetic nonhuman primates (NHPs) enabled us to investigate on the late graft loss. Regardless of the conventional immune monitoring methods applied in the post-transplant period, the initiation of late graft loss could rarely be detected before the overt graft loss observed via uncontrolled blood glucose level. Thus, we retrospectively analyzed the gene expression profiles in 2 rhesus monkey recipients using peripheral blood RNA-sequencing (RNA-seq) data to find out the potential cause(s) of late graft loss. Bioinformatic analyses showed that highly relevant immunological pathways were activated in the animal which experienced late graft failure. Further connectivity analyses revealed that the activation of T cell signaling pathways was the most prominent, suggesting that T cell-mediated graft rejection could be the cause of the late-phase islet loss. Indeed, the porcine islets in the biopsied monkey liver samples were heavily infiltrated with CD3+ T cells. Furthermore, hypothesis test using a computational experiment reinforced our conclusion. Taken together, we suggest that bioinformatics analyses with peripheral blood RNA-seq could unveil the cause of insidious late islet graft loss.
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Affiliation(s)
- Hyun-Je Kim
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea
- Department of Dermatology and the Laboratory of Inflammatory Skin Diseases, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA
| | - Ji Hwan Moon
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 08826, Republic of Korea
- Department of Biological Sciences, University at Buffalo, Buffalo, NY, 14260, USA
| | - Hyunwoo Chung
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea
| | - Jun-Seop Shin
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Bongi Kim
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Jong-Min Kim
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Jung-Sik Kim
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Il-Hee Yoon
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Byoung-Hoon Min
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Seong-Jun Kang
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea
| | - Yong-Hee Kim
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
| | - Kyuri Jo
- Department of Computer Engineering, Chungbuk National University, Cheongju, 28644, Republic of Korea
| | - Joungmin Choi
- Division of Computer Science, Sookmyung Women's University, Seoul, 04310, Republic of Korea
| | - Heejoon Chae
- Division of Computer Science, Sookmyung Women's University, Seoul, 04310, Republic of Korea
| | - Won-Woo Lee
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea
| | - Sun Kim
- Interdisciplinary Program in Bioinformatics, Seoul National University, Seoul, 08826, Republic of Korea.
- Bioinformatics Institute, Department of Computer Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea.
- Department of Computer Science & Engineering, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Chung-Gyu Park
- Xenotransplantation Research Center, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Department of Microbiology and Immunology, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, 03080, Republic of Korea.
- Cancer Research Institute, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Institute of Endemic Diseases, Seoul National University College of Medicine, Seoul, 03080, Republic of Korea.
- Biomedical Research Institute, Seoul National University Hospital, Seoul, 03080, Republic of Korea.
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Skladaný Ĺ, Mesárošová Z, Bachová B, Stančík M, Dedinská I. Alcohol-Related Liver Disease as a New Risk Factor for Post-transplant Diabetes After Liver Transplantation. Transplant Proc 2019; 51:3369-3374. [DOI: 10.1016/j.transproceed.2019.07.021] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/30/2019] [Accepted: 07/09/2019] [Indexed: 12/19/2022]
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Cajanding R. Immunosuppression following organ transplantation. Part 2: complications and their management. ACTA ACUST UNITED AC 2019; 27:1059-1065. [PMID: 30281349 DOI: 10.12968/bjon.2018.27.18.1059] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Advances in the care of patients who have had a solid organ transplant has led to a growing population of post-transplant patients, who are also living for longer. As a result of their longer life expectancy, transplant recipients often face a multitude of challenges, including optimising their immunosuppressive regimens and managing potential complications. Life-threatening infections, malignancies, and organ-specific toxicities are the complications post-transplant patients commonly encounter and these complications are often associated with increased morbidity and mortality, adverse graft functioning and survival, profound impairment in the patient's quality of life, and significant healthcare burden. This article, the second of two parts, gives an overview of the issues involved in the care of patients who are receiving immunosuppressants. The common complications encountered by post-transplant patients are discussed and their assessment, management, prevention and treatment explored.
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Affiliation(s)
- Ruff Cajanding
- Staff Nurse, Liver Intensive Therapy Unit, Institute of Liver Studies, King's College Hospital NHS Foundation Trust, London
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35
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Bowers DT, Song W, Wang LH, Ma M. Engineering the vasculature for islet transplantation. Acta Biomater 2019; 95:131-151. [PMID: 31128322 PMCID: PMC6824722 DOI: 10.1016/j.actbio.2019.05.051] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 04/13/2019] [Accepted: 05/20/2019] [Indexed: 12/17/2022]
Abstract
The microvasculature in the pancreatic islet is highly specialized for glucose sensing and insulin secretion. Although pancreatic islet transplantation is a potentially life-changing treatment for patients with insulin-dependent diabetes, a lack of blood perfusion reduces viability and function of newly transplanted tissues. Functional vasculature around an implant is not only necessary for the supply of oxygen and nutrients but also required for rapid insulin release kinetics and removal of metabolic waste. Inadequate vascularization is particularly a challenge in islet encapsulation. Selectively permeable membranes increase the barrier to diffusion and often elicit a foreign body reaction including a fibrotic capsule that is not well vascularized. Therefore, approaches that aid in the rapid formation of a mature and robust vasculature in close proximity to the transplanted cells are crucial for successful islet transplantation or other cellular therapies. In this paper, we review various strategies to engineer vasculature for islet transplantation. We consider properties of materials (both synthetic and naturally derived), prevascularization, local release of proangiogenic factors, and co-transplantation of vascular cells that have all been harnessed to increase vasculature. We then discuss the various other challenges in engineering mature, long-term functional and clinically viable vasculature as well as some emerging technologies developed to address them. The benefits of physiological glucose control for patients and the healthcare system demand vigorous pursuit of solutions to cell transplant challenges. STATEMENT OF SIGNIFICANCE: Insulin-dependent diabetes affects more than 1.25 million people in the United States alone. Pancreatic islets secrete insulin and other endocrine hormones that control glucose to normal levels. During preparation for transplantation, the specialized islet blood vessel supply is lost. Furthermore, in the case of cell encapsulation, cells are protected within a device, further limiting delivery of nutrients and absorption of hormones. To overcome these issues, this review considers methods to rapidly vascularize sites and implants through material properties, pre-vascularization, delivery of growth factors, or co-transplantation of vessel supporting cells. Other challenges and emerging technologies are also discussed. Proper vascular growth is a significant component of successful islet transplantation, a treatment that can provide life-changing benefits to patients.
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Affiliation(s)
- Daniel T Bowers
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Wei Song
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Long-Hai Wang
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
| | - Minglin Ma
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA.
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Bal T, Inceoglu Y, Karaoz E, Kizilel S. Sensitivity Study for the Key Parameters in Heterospheroid Preparation with Insulin-Secreting β-Cells and Mesenchymal Stem Cells. ACS Biomater Sci Eng 2019; 5:5229-5239. [DOI: 10.1021/acsbiomaterials.9b00570] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Tuğba Bal
- Chemical and Biological Engineering, Koc University, 34450 Sariyer, Istanbul, Turkey
| | - Yasemin Inceoglu
- Chemical and Biological Engineering, Koc University, 34450 Sariyer, Istanbul, Turkey
| | - Erdal Karaoz
- Center for Regenerative Medicine and Stem Cell Research, Liv Hospital, 34340 Besiktas, Istanbul, Turkey
- School of Medicine, Istinye University, 34010 Zeytinburnu, Istanbul, Turkey
| | - Seda Kizilel
- Chemical and Biological Engineering, Koc University, 34450 Sariyer, Istanbul, Turkey
- Biomedical Science and Engineering, Koc University, 34450 Sariyer, Istanbul, Turkey
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Rickels MR, Robertson RP. Pancreatic Islet Transplantation in Humans: Recent Progress and Future Directions. Endocr Rev 2019; 40:631-668. [PMID: 30541144 PMCID: PMC6424003 DOI: 10.1210/er.2018-00154] [Citation(s) in RCA: 169] [Impact Index Per Article: 33.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 10/26/2018] [Indexed: 12/11/2022]
Abstract
Pancreatic islet transplantation has become an established approach to β-cell replacement therapy for the treatment of insulin-deficient diabetes. Recent progress in techniques for islet isolation, islet culture, and peritransplant management of the islet transplant recipient has resulted in substantial improvements in metabolic and safety outcomes for patients. For patients requiring total or subtotal pancreatectomy for benign disease of the pancreas, isolation of islets from the diseased pancreas with intrahepatic transplantation of autologous islets can prevent or ameliorate postsurgical diabetes, and for patients previously experiencing painful recurrent acute or chronic pancreatitis, quality of life is substantially improved. For patients with type 1 diabetes or insulin-deficient forms of pancreatogenic (type 3c) diabetes, isolation of islets from a deceased donor pancreas with intrahepatic transplantation of allogeneic islets can ameliorate problematic hypoglycemia, stabilize glycemic lability, and maintain on-target glycemic control, consequently with improved quality of life, and often without the requirement for insulin therapy. Because the metabolic benefits are dependent on the numbers of islets transplanted that survive engraftment, recipients of autoislets are limited to receive the number of islets isolated from their own pancreas, whereas recipients of alloislets may receive islets isolated from more than one donor pancreas. The development of alternative sources of islet cells for transplantation, whether from autologous, allogeneic, or xenogeneic tissues, is an active area of investigation that promises to expand access and indications for islet transplantation in the future treatment of diabetes.
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Affiliation(s)
- Michael R Rickels
- Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
| | - R Paul Robertson
- Division of Metabolism, Endocrinology, and Nutrition, Department of Medicine, University of Washington School of Medicine, Seattle, Washington
- Division of Endocrinology, Department of Medicine, University of Minnesota, Minneapolis, Minnesota
- Pacific Northwest Diabetes Research Institute, Seattle, Washington
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38
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Sabatini PV, Speckmann T, Lynn FC. Friend and foe: β-cell Ca 2+ signaling and the development of diabetes. Mol Metab 2019; 21:1-12. [PMID: 30630689 PMCID: PMC6407368 DOI: 10.1016/j.molmet.2018.12.007] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/03/2018] [Accepted: 12/19/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND The divalent cation Calcium (Ca2+) regulates a wide range of processes in disparate cell types. Within insulin-producing β-cells, increases in cytosolic Ca2+ directly stimulate insulin vesicle exocytosis, but also initiate multiple signaling pathways. Mediated through activation of downstream kinases and transcription factors, Ca2+-regulated signaling pathways leverage substantial influence on a number of critical cellular processes within the β-cell. Additionally, there is evidence that prolonged activation of these same pathways is detrimental to β-cell health and may contribute to Type 2 Diabetes pathogenesis. SCOPE OF REVIEW This review aims to briefly highlight canonical Ca2+ signaling pathways in β-cells and how β-cells regulate the movement of Ca2+ across numerous organelles and microdomains. As a main focus, this review synthesizes experimental data from in vitro and in vivo models on both the beneficial and detrimental effects of Ca2+ signaling pathways for β-cell function and health. MAJOR CONCLUSIONS Acute increases in intracellular Ca2+ stimulate a number of signaling cascades, resulting in (de-)phosphorylation events and activation of downstream transcription factors. The short-term stimulation of these Ca2+ signaling pathways promotes numerous cellular processes critical to β-cell function, including increased viability, replication, and insulin production and secretion. Conversely, chronic stimulation of Ca2+ signaling pathways increases β-cell ER stress and results in the loss of β-cell differentiation status. Together, decades of study demonstrate that Ca2+ movement is tightly regulated within the β-cell, which is at least partially due to its dual roles as a potent signaling molecule.
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Affiliation(s)
- Paul V Sabatini
- Diabetes Research Group, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada; Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, British Columbia, Canada; Department of Internal Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Thilo Speckmann
- Diabetes Research Group, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada; Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, British Columbia, Canada
| | - Francis C Lynn
- Diabetes Research Group, BC Children's Hospital Research Institute, Vancouver, British Columbia, Canada; Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada; Department of Cellular and Physiological Sciences, University of British Columbia, Vancouver, British Columbia, Canada.
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Huang PJ, Qu J, Saha P, Muliana A, Kameoka J. Microencapsulation of beta cells in collagen micro-disks via circular pneumatically actuated soft micro-mold (cPASMO) device. Biomed Phys Eng Express 2018. [DOI: 10.1088/2057-1976/aae55e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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40
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Goldmannová D, Spurná J, Krystyník O, Schovánek J, Cibičková L, Karásek D, Zadražil J. Adipocytokines and new onset diabetes mellitus after transplantation. J Appl Biomed 2018. [DOI: 10.1016/j.jab.2018.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
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Mayer-Davis EJ, Kahkoska AR, Jefferies C, Dabelea D, Balde N, Gong CX, Aschner P, Craig ME. ISPAD Clinical Practice Consensus Guidelines 2018: Definition, epidemiology, and classification of diabetes in children and adolescents. Pediatr Diabetes 2018; 19 Suppl 27:7-19. [PMID: 30226024 PMCID: PMC7521365 DOI: 10.1111/pedi.12773] [Citation(s) in RCA: 334] [Impact Index Per Article: 55.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 07/27/2018] [Indexed: 12/16/2022] Open
Affiliation(s)
- Elizabeth J. Mayer-Davis
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina,Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Anna R. Kahkoska
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina,Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Craig Jefferies
- Starship Children’s Hospital, Auckland District Health Board, Auckland, New Zealand
| | - Dana Dabelea
- Department of Epidemiology, Colorado School of Public Health, University of Colorado, Aurora, Colorado
| | - Naby Balde
- Department of Endocrinology, University Hospital, Conakry, Guinea
| | - Chun X. Gong
- Beijing Children’s Hospital, Capital Medical University, Beijing, China
| | | | - Maria E. Craig
- The Children’s Hospital at Westmead, University of Sydney, Sydney, New South Wales, Australia,School of Women’s and Children’s Health, University of NSW, Sydney, New South Wales, Australia
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Filali S, Geloën A, Lysenko V, Pirot F, Miossec P. Live-stream characterization of cadmium-induced cell death using visible CdTe-QDs. Sci Rep 2018; 8:12614. [PMID: 30135565 PMCID: PMC6105671 DOI: 10.1038/s41598-018-31077-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 08/02/2018] [Indexed: 12/14/2022] Open
Abstract
Characterization of cell death currently requires the use of indirect markers, which has largely limited the ability to monitor cell death processes inside the cell. Here, we introduce a new method for the characterization of cell death mechanisms using cadmium telluride quantum dots (CdTe-QDs). Using visible CdTe-QDs with mesenchymal cells (e.g. synoviocytes), live-stream imaging allowed for visualization of cadmium-induced cell death, combining characteristics of apoptosis and autophagy. Initially, similar anti-proliferative effect was observed between 10 µg/ml Cd2+ and CdTe-QDs at 24 h (cell index/cell density ratio decreased from 0.6 to −16.6, p < 0.05) using techniques that do not require the capacity of CdTe-QDs. Apoptosis was confirmed by the quantification of morphological parameters (reduced surface area, increased cell thickness) and positive labeling with annexin V. Autophagy was confirmed by monodansylcadaverine staining, identifying similar autophagic vacuoles with both Cd2+ and CdTe-QD. However, QD imaging allowed for visualization of cadmium elements inside cell structures and their kinetic changes leading to cell death. Cell death characteristics were similar in inflammatory and non-inflammatory environment but were induced up to 4 h earlier in the former. Therefore, live-stream imaging of a visible cytotoxic agent has useful applications not currently possible with indirect methods, including chronological monitoring of cell death.
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Affiliation(s)
- Samira Filali
- Immunogenomics and Inflammation Research Unit EA 4130, Department of Immunology and Rheumatology, Edouard Herriot Hospital, Hospices Civils de Lyon, University of Lyon, Lyon, France.,Laboratory of Research and Development of Industrial Galenic Pharmacy and Laboratory of Tissue Biology and Therapeutic Engineering UMR-CNRS 5305, Pharmacy Department, FRIPHARM Platform, Edouard Herriot Hospital, Hospices Civils de Lyon, University of Lyon, Lyon, France
| | - Alain Geloën
- CarMeN laboratory, INRA UMR1397, INSERM U1060, INSA Lyon, University of Lyon, Lyon, France
| | - Vladimir Lysenko
- Nanotechnology Institute of Lyon, UMR-CNRS 5270, INSA Lyon, University of Lyon, Lyon, France
| | - Fabrice Pirot
- Laboratory of Research and Development of Industrial Galenic Pharmacy and Laboratory of Tissue Biology and Therapeutic Engineering UMR-CNRS 5305, Pharmacy Department, FRIPHARM Platform, Edouard Herriot Hospital, Hospices Civils de Lyon, University of Lyon, Lyon, France
| | - Pierre Miossec
- Immunogenomics and Inflammation Research Unit EA 4130, Department of Immunology and Rheumatology, Edouard Herriot Hospital, Hospices Civils de Lyon, University of Lyon, Lyon, France.
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Huang Y, Shi J, Chen YY, Li K. Ultrasound-Guided Percutaneous Core Needle Biopsy for the Diagnosis of Pancreatic Disease. ULTRASOUND IN MEDICINE & BIOLOGY 2018; 44:1145-1154. [PMID: 29576248 DOI: 10.1016/j.ultrasmedbio.2018.02.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 02/21/2018] [Accepted: 02/26/2018] [Indexed: 06/08/2023]
Abstract
Few studies have evaluated the performance of percutaneous core needle biopsies of the pancreas. This article is an overview of the advantages, disadvantages, predictive power and complications associated with percutaneous ultrasound-guided core needle biopsies of pancreatic lesions. A comprehensive literature search of Medline (using PubMed as the search engine) and EMBASE was done to identify suitable studies up to March 2017. A study of quantitative pre-operative pancreatic biopsy data was reported. Lesion location, mean or median number of passes, inadequate tissue or technical failures and complications were assessed for all cases by reviewing clinical notes and post-procedural imaging. The analysis included 13 studies, mostly of a retrospective nature. The sensitivity (mean: 94.42%, range: 90%-100%) and specificity (mean: 97.94%, range: 94.7%-100%) of the procedure were high, and the mean accuracy of diagnosis was 95.76 (range: 91-100). Furthermore, the procedure had a high negative predictive value of approximately 76.26%. Of the 13 reported studies, 7.3% were inadequate or technical failure cases. The mean rate of complications was 2.08%, which seemed similar to the lower limit of this rate for endoscopic ultrasound-guided fine-needle aspirations. The risk of tumor seeding with ultrasound-guided core needle biopsies was not reported in the included articles. With the development of technology, ultrasound-guided percutaneous core needle biopsy for pancreatic lesions is increasingly available and has optimal diagnostic power in pancreatic neoplasms.
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Affiliation(s)
- Ying Huang
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China.
| | - Jingwen Shi
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yun-Yun Chen
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
| | - Kao Li
- Department of Ultrasound, Shengjing Hospital of China Medical University, Shenyang, China
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44
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Gebe JA, Preisinger A, Gooden MD, D'Amico LA, Vernon RB. Local, Controlled Release In Vivo of Vascular Endothelial Growth Factor Within a Subcutaneous Scaffolded Islet Implant Reduces Early Islet Necrosis and Improves Performance of the Graft. Cell Transplant 2018; 27:531-541. [PMID: 29756517 PMCID: PMC6038045 DOI: 10.1177/0963689718754562] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Islet transplantation remains the only alternative to daily insulin therapy for control of type 1 diabetes (T1D) in humans. To avoid the drawbacks of intrahepatic islet transplantation, we are developing a scaffolded islet implant to transplant islets into nonhepatic sites. The implant test bed, sized for mice, consists of a limited (2-mm) thickness, large-pore polymeric sponge scaffold perforated with peripheral cavities that contain islets suspended in a collagen hydrogel. A central cavity in the scaffold holds a 2-mm diameter alginate sphere for controlled release of the angiogenic cytokine vascular endothelial growth factor ( VEGF). Host microvessels readily penetrate the scaffold and collagen gel to vascularize the islets. Here, we evaluate the performance of the implant in a subcutaneous (SC) graft site. Implants incorporating 500 syngeneic islets reversed streptozotocin-induced diabetes in mice approximately 30 d after SC placement. Controlled release of a modest quantity (20 ng) of VEGF within the implant significantly reduced the time to normoglycemia compared to control implants lacking VEGF. Investigation of underlying causes for this effect revealed that inclusion of 20 ng of VEGF in the implants significantly reduced central necrosis of islets 24 h after grafting and increased implant vascularization (measured 12 d after grafting). Collectively, our results demonstrate (1) that the scaffolded islet implant design can reverse diabetes in SC sites in the absence of prevascularization of the graft site and (2) that relatively low quantities of VEGF, delivered by controlled release within the implant, can be a useful approach to limit islet stress after grafting.
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Affiliation(s)
- John A Gebe
- 1 Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA
| | - Anton Preisinger
- 1 Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA
| | - Michel D Gooden
- 1 Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA
| | - Leonard A D'Amico
- 1 Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA.,2 Cancer Immunotherapy Trials, Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - Robert B Vernon
- 1 Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA
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45
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Ammari Z, Pak SC, Ruzieh M, Dasa O, Tiwari A, Jaume JC, Alfonso-Jaume MA. Posttransplant Tacrolimus-Induced Diabetic Ketoacidosis: Review of the Literature. Case Rep Endocrinol 2018; 2018:4606491. [PMID: 29854487 PMCID: PMC5966672 DOI: 10.1155/2018/4606491] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 04/02/2018] [Indexed: 11/25/2022] Open
Abstract
Diabetic ketoacidosis (DKA) in patients receiving tacrolimus as part of their immunosuppressive regimen is a rarely reported adverse event. We report a patient with autosomal dominant polycystic kidney disease (ADPKD) and no known history of diabetes mellitus who presented with DKA, 3 months after kidney transplantation.
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Affiliation(s)
- Zaid Ammari
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Stella C. Pak
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Mohammed Ruzieh
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Osama Dasa
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Abhinav Tiwari
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Juan C. Jaume
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
- Division of Endocrinology, Diabetes and Metabolism, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
- Center for Diabetes and Endocrine Research (CeDER), College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
| | - Maria A. Alfonso-Jaume
- Department of Medicine, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
- Center for Diabetes and Endocrine Research (CeDER), College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
- Division of Nephrology, College of Medicine and Life Sciences, University of Toledo, Toledo, OH, USA
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46
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Bal T, Oran DC, Sasaki Y, Akiyoshi K, Kizilel S. Sequential Coating of Insulin Secreting Beta Cells within Multilayers of Polysaccharide Nanogels. Macromol Biosci 2018; 18:e1800001. [PMID: 29575787 DOI: 10.1002/mabi.201800001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 01/31/2018] [Indexed: 12/21/2022]
Abstract
Pancreatic islet transplantation has emerged as a promising treatment for type-1 diabetes (T1D); however, its clinical application is still limited by the life-long use of immunosuppressive drugs, insufficient number of islets to achieve normoglycemia, and large transplantation volume. This paper reports a unique approach for nanothin coating of insulin secreting beta cell aggregates. The coating is based on hydrophobic and covalent interactions between natural acrylate modified cholesterol bearing pullulan (CHPOA) nanogels and MIN6 beta cell aggregates. Beta cell aggregates are prepared as spheroids through hanging drop method, which is optimized with respect to hanging drop volume and initial number of beta cells. These aggregates, defined as pseudoislets, are coated with sequential layers of nanogels and are evaluated as viable and functional for insulin secretion. Coating experiments are carried out using physiologically compatible medium, where pseudoislets are not brought in contact with toxic prepolymer solutions used in existing approaches. This study offers new opportunities through coating of islets with advanced functional materials under completely physiological conditions for clinical translation of cell transplantation technology. The technique developed here will establish a new paradigm for creating tolerable grafts for other chronic diseases such as anemia, cancer, central nervous system (CNS) diseases.
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Affiliation(s)
- Tugba Bal
- Department of Chemical and Biological Engineering, Graduate School of Sciences and Engineering, Koc University, 34450, Istanbul, Turkey
| | - Dilem Ceren Oran
- Department of Biomedical Sciences and Engineering, Graduate School of Sciences and Engineering, Koc University, 34450, Istanbul, Turkey
| | - Yoshihiro Sasaki
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, 615-8510, Kyoto, Japan
| | - Kazunari Akiyoshi
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, 615-8510, Kyoto, Japan
| | - Seda Kizilel
- Department of Chemical and Biological Engineering, Graduate School of Sciences and Engineering, Koc University, 34450, Istanbul, Turkey.,Department of Biomedical Sciences and Engineering, Graduate School of Sciences and Engineering, Koc University, 34450, Istanbul, Turkey
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47
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Improved Glucose Tolerance in a Kidney Transplant Recipient With Type 2 Diabetes Mellitus After Switching From Tacrolimus To Belatacept: A Case Report and Review of Potential Mechanisms. Transplant Direct 2018; 4:e350. [PMID: 29707621 PMCID: PMC5912016 DOI: 10.1097/txd.0000000000000767] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Accepted: 12/31/2017] [Indexed: 12/15/2022] Open
Abstract
Supplemental digital content is available in the text. The introduction of immunosuppressant belatacept, an inhibitor of the CD28-80/86 pathway, has improved 1-year outcomes in kidney transplant recipients with preexistent diabetes mellitus and has also reduced the risk of posttransplant diabetes mellitus. So far, no studies have compared a tacrolimus-based with a belatacept-based immunosuppressive regimen with regard to improving glucose tolerance after kidney transplantation. Here, we present the case of a 54-year-old man with type 2 diabetes mellitus who was converted from belatacept to tacrolimus 1 year after a successful kidney transplantation. Thereafter, he quickly developed severe hyperglycemia, and administration of insulin was needed to improve metabolic control. Six months after this episode, he was converted back to belatacept because of nausea, diarrhea, and hyperglycemia. After switching back to belatacept and within 4 days after stopping tacrolimus glucose tolerance improved and insulin therapy could be discontinued. Although belatacept is considered less diabetogenic than tacrolimus, the rapid improvement of glucose tolerance after switching to belatacept is remarkable. In this article, the potential mechanisms of this observation are discussed.
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48
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Abstract
The pancreas is a complex organ with exocrine and endocrine components. Many pathologies impair exocrine function, including chronic pancreatitis, cystic fibrosis and pancreatic ductal adenocarcinoma. Conversely, when the endocrine pancreas fails to secrete sufficient insulin, patients develop diabetes mellitus. Pathology in either the endocrine or exocrine pancreas results in devastating economic and personal consequences. The current standard therapy for treating patients with type 1 diabetes mellitus is daily exogenous insulin injections, but cell sources of insulin provide superior glycaemic regulation and research is now focused on the goal of regenerating or replacing β cells. Stem-cell-based models might be useful to study exocrine pancreatic disorders, and mesenchymal stem cells or secreted factors might delay disease progression. Although the standards that bioengineered cells must meet before being considered as a viable therapy are not yet established, any potential therapy must be acceptably safe and functionally superior to current therapies. Here, we describe progress and challenges in cell-based methods to restore pancreatic function, with a focus on optimizing the site for cell delivery and decreasing requirements for immunosuppression through encapsulation. We also discuss the tools and strategies being used to generate exocrine pancreas and insulin-producing β-cell surrogates in situ and highlight obstacles to clinical application.
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49
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Ren S, Wang Y, Xian L, Toyama T, Jardine M, Li G, Perkovic V, Hong D. Comparative effectiveness and tolerance of immunosuppressive treatments for idiopathic membranous nephropathy: A network meta-analysis. PLoS One 2017; 12:e0184398. [PMID: 28898290 PMCID: PMC5595305 DOI: 10.1371/journal.pone.0184398] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Accepted: 08/23/2017] [Indexed: 11/17/2022] Open
Abstract
Background Immunosuppressive agents in general are shown to prevent renal progression and all-cause mortality in idiopathic membranous nephropathy (IMN) patients with nephrotic syndrome. However, the efficacy and safety of different immunosuppressive treatments have not been systematic assessed and compared. A network meta-analysis was performed to compare different immunosuppressive treatment in IMN. Methods Cochrane library, MEDLINE, EMBASE and trial register system were searched for randomized controlled trials reporting the treatments for IMN to May 3, 2016. Composite endpoint of mortality or end-stage kidney disease (ESKD), complete or partial proteinuria remission and withdrawal because of treatment adverse events were compared combing direct and indirect comparison using network meta-analysis. Ranking different immunosuppressive treatments in the outcomes were analyzed by using surface under the cumulative ranking curve (SUCRA). Results Total 36 randomized controlled trials (n = 2018) covering 11 kinds of treatments were included. Compared with non-immunosuppressive treatment, only cyclophosphamide (CTX) and chlorambucil significantly reduced the risk of composite outcome of mortality or ESKD while combining the direct and indirect comparison (OR = 0.31, 95%CI: 0.12–0.81 and OR = 0.33, 95%CI: 0.12–0.92). CTX increased the composite outcome of complete remission (CR) or partial remission (PR) (OR = 4.29, 95%CI: 2.30–8.00) but chlorambucil did not (OR = 1.58, 95%CI: 0.80–3.12) as compared with non-immunosuppressive treatment. Chlorambucil also significantly increased the withdrawal risk (OR = 3.34, 95%CI: 1.37–8.17) as compared to CTX. Both tacrolimus (OR = 3.10, 95%CI: 1.36–7.09) and cyclosporine (CsA) (OR = 2.81, 95%CI: 1.08–7.32) also significantly increased the rate of CR or PR as compared with non-immunosuppressive treatment (without significant difference as compared with CTX), while ranking results showed that cyclosporine or tacrolimus was with less possibility of drug withdrawal as compared to CTX. Conclusions Cyclophosphamide and chlorambucil reduce risk of ESKD or death in IMN with nephrotic range proteinuria, but carry substantial toxicity that may be lower for cyclophosphamide. Tacrolimus and cyclosporine increase the possibility of proteinuria remission with less drug withdrawal, but the effects on kidney failure remain uncertain.
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Affiliation(s)
- Song Ren
- Renal Division and Institute of Nephrology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Ying Wang
- The George Institute for Global Health, University of Sydney, Sydney, Australia
| | - Li Xian
- Renal Division and Institute of Nephrology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Tadashi Toyama
- The George Institute for Global Health, University of Sydney, Sydney, Australia.,Division of Nephrology, Kanazawa University Hospital, Kanazawa city, Japan
| | - Meg Jardine
- The George Institute for Global Health, University of Sydney, Sydney, Australia.,Concord Repatriation General Hospital, Concord, Australia
| | - Guisen Li
- Renal Division and Institute of Nephrology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Vlado Perkovic
- The George Institute for Global Health, University of Sydney, Sydney, Australia
| | - Daqing Hong
- Renal Division and Institute of Nephrology, Sichuan Academy of Medical Science & Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,The George Institute for Global Health, University of Sydney, Sydney, Australia
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50
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Wong RJ, Saab S, Ahmed A. Extrahepatic Manifestations of Hepatitis C Virus After Liver Transplantation. Clin Liver Dis 2017; 21:595-606. [PMID: 28689596 DOI: 10.1016/j.cld.2017.03.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
Chronic hepatitis C virus (HCV) infection remains a leading cause of chronic liver disease in the United States. Although the hepatic impact of chronic HCV leading to cirrhosis and the need for liver transplantation is paramount, the extrahepatic manifestations of chronic HCV infection are equally important. In particular, a better understanding of the prevalence and impact of extrahepatic manifestations of chronic HCV infection in the post-liver transplant setting relies on understanding the interplay between the effects of chronic HCV infection in a posttransplant environment characterized by strong immunosuppression and the associated risks of this milieu.
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Affiliation(s)
- Robert J Wong
- Division of Gastroenterology and Hepatology, Alameda Health System - Highland Hospital, 1411 East 31st Street, Highland Hospital - Highland Care Pavilion 5th Floor, Oakland, CA 94602, USA.
| | - Sammy Saab
- Department of Medicine, David Geffen School of Medicine, University of California at Los Angeles, 200 UCLA Medical Plaza, Suite 214, Los Angeles, CA 90095, USA; Department of Surgery, David Geffen School of Medicine, University of California at Los Angeles, 200 UCLA Medical Plaza, Suite 214, Los Angeles, CA 90095, USA
| | - Aijaz Ahmed
- Division of Gastroenterology and Hepatology, Stanford University School of Medicine, 750 Welch Road, Suite # 210, Palo Alto, CA 94304, USA
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