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Ji H, Yang T, Li C, Zhu Y, Zheng Z, Zhang J, Liu Y, Gao Y, Wu H, Jiang J, Yong J, Chen M, Tang Y, Xia Q, Xue F. EBV-encoded miRNAs BHRF1-1 and BART2-5p aggravate post- transplant lymphoproliferative disorder via LZTS2-PI3K-AKT axis. Biochem Pharmacol 2023:115676. [PMID: 37419372 DOI: 10.1016/j.bcp.2023.115676] [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: 04/07/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/09/2023]
Abstract
Post-transplant lymphoproliferative disorder (PTLD) is one of the most serious complications after transplantation. Epstein-Barr virus (EBV) is a key pathogenic driver of PTLD. About 80% of PTLD patients are EBV positive. However, the accuracy of preventing and diagnosing EBV-PTLD by monitoring EBV DNA load is limited. Therefore, new diagnostic molecular markers are urgently needed. EBV-encoded miRNAs can regulate a variety of EBV-associated tumors and are expected to be potential diagnostic markers and therapeutic targets. We found BHRF1-1 and BART2-5p were significantly elevated in EBV-PTLD patients, functionally promoting proliferation and inhibiting apoptosis in EBV-PTLD. Mechanistically, we first found that LZTS2 acts as a tumor suppressor gene in EBV-PTLD, and BHRF1-1 and BART2-5p can simultaneously inhibit LZTS2 and activate PI3K-AKT pathway. This study shows that BHRF1-1 and BART2-5p can simultaneously inhibit the expression of tumor suppressor LZTS2, and activate the PI3K-AKT pathway, leading to the occurrence and development of EBV-PTLD. Therefore, BHRF1-1 and BART2-5p are expected to be potential diagnostic markers and therapeutic targets for EBV-PTLD patients.
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Affiliation(s)
- Hao Ji
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Taihua Yang
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunlai Li
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China
| | - Youwei Zhu
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhigang Zheng
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiaxu Zhang
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuan Liu
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yijin Gao
- Department of Hematology & Oncology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, National Health Committee Key Laboratory of Pediatric Hematology & Oncology, Shanghai, China
| | - Huimin Wu
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jinxing Jiang
- Department of Hematology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Junekong Yong
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Mengke Chen
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuanjia Tang
- Shanghai Institute of Rheumatology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, 2200 Lane 25 Xietu Road, Shanghai, China.
| | - Qiang Xia
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China; Shanghai Engineering Research Center of Transplantation and Immunology, Shanghai, China; Shanghai Institute of Transplantation, Shanghai, China
| | - Feng Xue
- Department of Liver Surgery and Liver Transplantation Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Sato D, Takami H, Takayanagi S, Taoka K, Tanaka M, Matsuura R, Tanaka S, Saito N. Lymphoproliferative disorder during temozolomide therapy; a representative case of a formidable complication and management challenges. BMC Neurol 2023; 23:224. [PMID: 37296412 DOI: 10.1186/s12883-023-03274-8] [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: 02/08/2023] [Accepted: 06/03/2023] [Indexed: 06/12/2023] Open
Abstract
BACKGROUND Lymphoproliferative disorder represents a heterogeneous clinicopathological spectrum characterized by uncontrolled proliferation of lymphocytes. Immunodeficiency is a major trigger of its development. While induction of immunodeficiency is a well-known adverse effect of temozolomide therapy, development of lymphoproliferative disorder following temozolomide therapy has not previously been described. CASE PRESENTATION A patient with brainstem glioma developed constitutional symptoms, pancytopenia, splenomegaly and generalized lymphadenopathy during the 2nd cycle of maintenance therapy following induction therapy with temozolomide. Epstein-Barr virus-infected lymphocytes were observed histopathologically and "other iatrogenic immunodeficiency-associated lymphoproliferative disorder" (OIIA-LPD) was diagnosed. Although discontinuation of temozolomide led to rapid remission, relapse was observed 4 months later. CHOP chemotherapy was induced, resulting in secondary remission. Vigilant follow-up for another 14 months showed radiologically stable brainstem glioma and no further recurrence of OIIA-LPD. CONCLUSIONS This is the first report documenting OIIA-LPD during temozolomide administration. Timely diagnosis of the disease and discontinuation of the causative agent were considered to be the management of choice. Close monitoring for relapse should be continued. Finding a balance between glioma management and controlling the remission of OIIA-LPD remains to be clarified.
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Affiliation(s)
- Daisuke Sato
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Hirokazu Takami
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan.
| | - Shunsaku Takayanagi
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Kazuki Taoka
- Department of Hematology and Oncology, The University of Tokyo Hospital, Tokyo, Japan
| | - Mariko Tanaka
- Department of Pathology, The University of Tokyo Hospital, Tokyo, Japan
| | - Reiko Matsuura
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Shota Tanaka
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
| | - Nobuhito Saito
- Department of Neurosurgery, The University of Tokyo Hospital, 7-3-1 Hongo, Bunkyo-Ku, Tokyo, 113-8655, Japan
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Si Z, Lu D, Zhai L, Zheng W, Dong C, Sun C, Wang K, Zhang W, Wei X, Zhang Z, Zhao S, Gao W, Shen Z. The value of 18 F-FDG PET/CT quantitative indexes in the diagnosis of nondestructive posttransplant lymphoproliferative disorders after pediatric liver transplantation. Pediatr Transplant 2023:e14501. [PMID: 36906739 DOI: 10.1111/petr.14501] [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: 10/11/2022] [Revised: 01/09/2023] [Accepted: 02/24/2023] [Indexed: 03/13/2023]
Abstract
BACKGROUND Posttransplant lymphoproliferative disease (PTLD) is a serious complication after pediatric liver transplantation (pLT), which may lead to death. 18 F-FDG PET/CT is rarely considered in PTLD after pLT and lacks clear diagnostic guidelines, especially in the differential diagnosis of nondestructive PTLD. The aim of this study was to find a quantifiable 18 F-FDG PET/CT index to identify nondestructive PTLD after pLT. METHODS This retrospective study collected the data of patients who underwent pLT, postoperative lymph node biopsy, and 18 F-FDG PET/CT at Tianjin First Central Hospital from January 2014 to December 2021. Quantitative indexes were established using lymph node morphology and the maximum standardized uptake value (SUVmax). RESULTS A total of 83 patients met the inclusion criteria and were included in this retrospective study. To distinguish between PTLD-negative cases and nondestructive PTLD cases, according to the receiver operating characteristic curve, (the shortest diameter of the lymph node at the biopsy site [SDL]/the longest diameter of the lymph node at the biopsy site [LDL])*(SUVmax at the biopsy site [SUVmaxBio]/SUVmax of the tonsils [SUVmaxTon]) had the maximum area under the curve (0.923; 95% confidence interval: 0.834-1.000), and the cutoff value was 0.264 according to the maximum value of Youden's index. The sensitivity, specificity, positive predictive value, negative predictive value, and accuracy were 93.6%, 94.7%, 97.8%, 85.7%, and 93.9%, respectively. CONCLUSIONS (SDL/LDL)*(SUVmaxBio/SUVmaxTon) has good sensitivity, specificity, positive predictive and negative predictive values, and accuracy, and can be used as a good quantitative index for the diagnosis of nondestructive PTLD.
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Affiliation(s)
- Zhuyuan Si
- The First Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Dongyan Lu
- Department of Nuclear Medicine, Tianjin First Central Hospital, Tianjin, China
| | - Lili Zhai
- Department of Pathology, Tianjin First Central Hospital, Tianjin, China
| | - Weiping Zheng
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Chong Dong
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Chao Sun
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Kai Wang
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Wei Zhang
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Xinzhe Wei
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China
| | - Zhixin Zhang
- The First Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Shengqiao Zhao
- The First Central Clinical School, Tianjin Medical University, Tianjin, China
| | - Wei Gao
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China.,Tianjin Key Laboratory of Organ Transplantation, Tianjin First Central Hospital, Tianjin, China
| | - Zhongyang Shen
- Department of Pediatric Transplantation, Organ Transplantation Center, Tianjin First Central Hospital, Tianjin, China.,Tianjin Key Laboratory of Organ Transplantation, Tianjin First Central Hospital, Tianjin, China
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Quintero Bernabeu J, Juamperez J, Mercadal-Hally M, Larrarte King M, Gallego Melcon S, Gros Subias L, Sábado Álvarez C, Soler-Palacin P, Melendo Pérez S, Esperalba J, Navarro Jiménez A, Garrido Pontnou M, Camacho Soriano J, Hidalgo Llompart E, Bilbao Aguirre I, Charco Torra R. Epstein-Barr virus-associated risk factors for post-transplant lymphoproliferative disease in pediatric liver transplant recipients. Pediatr Transplant 2022; 26:e14292. [PMID: 35466492 DOI: 10.1111/petr.14292] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 02/11/2022] [Accepted: 03/23/2022] [Indexed: 12/14/2022]
Abstract
BACKGROUND Post-transplant lymphoproliferative disorder (PTLD) are the most common de novo malignancies after liver transplantation (LT) in children. The aim of our study was to assess the role of pre-LT EBV status and post-LT EBV viral load as risk factors for developing PTLD in a cohort of pediatric LT recipients. METHODS Data of all children who underwent LT between January 2002 and December 2019 were collected. Two cohorts were built EBV pre-LT primary infected cohort and EBV post-LT primary infected cohort. Moreover, using the maximal EBV viral load, a ROC curve was constructed to find a cutoff point for the diagnosis of PTLD. RESULTS Among the 251 patients included in the study, fifteen PTLD episodes in 14 LT recipients were detected (2 plasmacytic hyperplasia, 10 polymorphic PTLD, 2 monomorphic PTLD, and 1 Classical-Hodgkin's lymphoma). Patients of the EBV post-LT primary infected cohort were 17.1 times more likely to develop a PTLD than patients of the EBV pre-LT primary infected cohort (2.2-133.5). The EBV viral load value to predict PTLD was set at 211 000 UI/mL (93.3% sensitivity and 77.1% specificity; AUC 93.8%; IC 0.89-0.98). In EBV post-LT primary infected cohort, patients with a viral load above 211 000 were 30 times more likely to develop PTLD than patients with a viral load below this value (OR 29.8; 3.7-241.1; p < 0.001). CONCLUSIONS The combination of pretransplant EBV serological status with EBV post-transplant viral load could be a powerful tool to stratify the risk of PTLD in pediatric LT patients.
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Affiliation(s)
- Jesus Quintero Bernabeu
- Pediatric Hepatology and Liver Transplant Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Javier Juamperez
- Pediatric Hepatology and Liver Transplant Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Maria Mercadal-Hally
- Pediatric Hepatology and Liver Transplant Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Mauricio Larrarte King
- Pediatric Hepatology and Liver Transplant Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Soledad Gallego Melcon
- Pediatric Oncology and Hematology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Luis Gros Subias
- Pediatric Oncology and Hematology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | | | - Pere Soler-Palacin
- Pediatric Infectious Diseases and Immunodeficiencies Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Susana Melendo Pérez
- Pediatric Infectious Diseases and Immunodeficiencies Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Juliana Esperalba
- Microbiology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | | | | | | | - Ernest Hidalgo Llompart
- HPB Surgery and Transplantation Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Itxarone Bilbao Aguirre
- HPB Surgery and Transplantation Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Ramón Charco Torra
- HPB Surgery and Transplantation Department, Vall d'Hebron University Hospital, Barcelona, Spain
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Vasco A, Di Dato F, Sierchio L, Iorio R, Savoia M. Detection of a monoclonal component after pediatric liver transplantation: a case report. Clin Chem Lab Med 2022; 60:e250-e252. [PMID: 35960728 DOI: 10.1515/cclm-2022-0503] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 08/03/2022] [Indexed: 11/15/2022]
Affiliation(s)
- Alessandra Vasco
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Naples, Italy.,CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy
| | - Fabiola Di Dato
- Dipartimento di Scienze Mediche Traslazionali, Sezione Pediatria, Università Federico II, Naples, Italy
| | - Lidia Sierchio
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Naples, Italy
| | - Raffaele Iorio
- Dipartimento di Scienze Mediche Traslazionali, Sezione Pediatria, Università Federico II, Naples, Italy.,U.O.S. di Epatologia Pediatrica, Azienda Ospedaliera Universitaria Federico II, Naples, Italy
| | - Marcella Savoia
- Dipartimento di Medicina Molecolare e Biotecnologie Mediche, Università Federico II, Naples, Italy.,CEINGE-Biotecnologie Avanzate Franco Salvatore, Naples, Italy.,D.A.I. Medicina di Laboratorio e Trasfusionale, Azienda Ospedaliera Universitaria Federico II, Naples, Italy
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Post-transplant Lymphoproliferative Disorder in Pediatric Liver Transplantation: A Population-based Study from Shiraz, Iran. SHIRAZ E-MEDICAL JOURNAL 2021. [DOI: 10.5812/semj.110017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Background: This study aimed to determine the prevalence of post-transplant lymphoproliferative disorder (PTLD) based on the clinical and epidemiological characteristics of donors and pediatric transplant recipients. Methods: This cross-sectional study was conducted on the patients who had experienced liver transplantation at Shiraz Transplant Center, Shiraz, Iran, from April 2007 to March 2017. Data on the epidemiological characteristics, underlying diseases, dosage of immunosuppressive drugs, and duration of drug consumption from the time of liver transplantation until the onset of PTLD for transplant recipients, and donors’ age, sex, and family relationship with recipients were collected using a data-gathering form. Log rank test was employed to determine the variations in the distribution of survival in different sex and age groups. Results: The study findings indicated that 49 out of the 1207 children who had undergone liver transplantation developed PTLD, revealing a prevalence of 4%. The results showed no significant relationship between gender and the incidence of PTLD (P = 0.13). However, the mean age of the cases with PTLD was 4.93 ± 1.07 years at the time of transplantation, while non-PTLD patients showed a higher mean age at that time (7.80 ± 5.54). The mean dose of the immunosuppressive drugs (dose/kg) consumed by the recipients was as follows: tacrolimus = 0.2753 ± 0.23435, prednisolone = 0.6761 ± 0.62218, cellcept = 0.0724 ± 0.12963, and sirolimus = 0.1078 ± 0.08813. The average consumption period of the above-mentioned drugs from the time of transplantation until the onset of PTLD was 14.7 ± 14.409 months. Based on the results, the five-year survival rate was much lower in the patients with PTLD compared to the non-PTLD patients (31% Vs. 72.7%). The survival distribution was significantly different based on sex and age groups (P = 0.59 and P = 0.06, respectively). Conclusions: The prevalence of the clinical and epidemiological features of the PTLD in the patients under the present investigation was similar to those of the patients in other hospitals. Recognizing the clinical and epidemiological characteristics of transplant recipients with and without PTLD and donors can provide a basis for managing these patients.
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Leino AD, Pai MP. Maintenance Immunosuppression in Solid Organ Transplantation: Integrating Novel Pharmacodynamic Biomarkers to Inform Calcineurin Inhibitor Dose Selection. Clin Pharmacokinet 2020; 59:1317-1334. [PMID: 32720300 DOI: 10.1007/s40262-020-00923-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Calcineurin inhibitors, the primary immunosuppressive therapy used to prevent alloreactivity of transplanted organs, have a narrow therapeutic index. Currently, treatment is individualized based on clinical assessment of the risk of rejection or toxicity guided by trough concentration monitoring. Advances in immune monitoring have identified potential markers that may have value in understanding calcineurin inhibitor pharmacodynamics. Integration of these markers has the potential to complement therapeutic drug monitoring. Existing pharmacokinetic-pharmacodynamic (PK-PD) data is largely limited to correlation between the biomarker and trough concentrations at single time points. Immune related gene expression currently has the most evidence supporting PK-PD integration. Novel biomarker-based approaches to pharmacodynamic monitoring including development of enhanced PK-PD models are proposed to realize the full clinical benefit.
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Affiliation(s)
- Abbie D Leino
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, 428 Church Street, Rm 3569, Ann Arbor, MI, 48109, USA
| | - Manjunath P Pai
- Department of Clinical Pharmacy, College of Pharmacy, University of Michigan, 428 Church Street, Rm 3569, Ann Arbor, MI, 48109, USA.
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Higher Concentrations of Cyclosporine Metabolites in Liver Transplant Recipients With a History of Viral and Bacterial Infections. Transplant Proc 2020; 52:2503-2506. [PMID: 32493678 DOI: 10.1016/j.transproceed.2020.03.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/08/2020] [Accepted: 03/30/2020] [Indexed: 11/23/2022]
Abstract
BACKGROUND Infection remains a serious clinical problem in liver transplant (LTX) recipients. A higher risk of infection is connected with immunosuppression therapy. The aim of the study was to assess the relationships between infections' incidence and concentrations of cyclosporine (CsA) metabolites after LTX. METHODS Forty-three liver transplant recipients receiving CsA were included in the study. With the use of liquid chromatography combined with tandem mass spectrometry, concentrations of CsA and its metabolites were measured: dihydroxylated cyclosporine metabolites (DiHCsA), trihydroxylated cyclosporine metabolites (TriHCsA), demethylcarboxylated cyclosporine metabolites (DemCarbCsA), AM1, AM9, and AM4N. The study protocol conformed with the Declaration of Helsinki. RESULTS Patients with a history of Epstein-Barr virus (EBV) infection had higher DiHCsA, TriHCsA, DemCarbCsA, AM1/CsA, DiHCsA/CsA, TriHCsA/CsA i DemCarbCsA/CsA in comparison with group without such infection (P = .049, P = .037, P = .006, P = .018, P = .005, P = .027, and P = .026, respectively). LTX recipients with a history of all viral infections had higher DiHCsA, TriHCsA, DiHCsA/CsA, TriHCsA/CsA than patients without viral infections (P = .013, P = .021, P = .013, and P = .048, respectively). Multivariable analysis showed that AM1, DiHCsA, TriHCsA, DemCarbCsA, AM4N/CsA had positively influence on the incidence of all viral infections (β = 0.0302, P = .0328; β = 0.0699, P = .0453; β = 0.6781, P = .0382; β = 0.6767, P = .0414; and β = 0.8307, P = .0267, respectively). In multivariable analysis, patients with a history of all bacterial infections had higher AM1 and higher AM1/CsA in comparison with LTX recipients without such infections (β = 0.0118, P = .0279; and β = 0.0099, P = .036, respectively). CONCLUSION In liver transplant recipients with a history of viral or bacterial infections higher concentrations of CsA metabolites were found. Possibly CsA metabolites could be used to assess the risk of infection in patients after liver transplantation. It should be confirmed in further investigations.
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