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Tziastoudi M, Pissas G, Raptis G, Cholevas C, Eleftheriadis T, Dounousi E, Stefanidis I, Theoharides TC. A Systematic Review and Meta-Analysis of Pharmacogenetic Studies in Patients with Chronic Kidney Disease. Int J Mol Sci 2021; 22:ijms22094480. [PMID: 33923087 PMCID: PMC8123337 DOI: 10.3390/ijms22094480] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/18/2021] [Accepted: 04/22/2021] [Indexed: 12/13/2022] Open
Abstract
Chronic kidney disease (CKD) is an important global public health problem due to its high prevalence and morbidity. Although the treatment of nephrology patients has changed considerably, ineffectiveness and side effects of medications represent a major issue. In an effort to elucidate the contribution of genetic variants located in several genes in the response to treatment of patients with CKD, we performed a systematic review and meta-analysis of all available pharmacogenetics studies. The association between genotype distribution and response to medication was examined using the dominant, recessive, and additive inheritance models. Subgroup analysis based on ethnicity was also performed. In total, 29 studies were included in the meta-analysis, which examined the association of 11 genes (16 polymorphisms) with the response to treatment regarding CKD. Among the 29 studies, 18 studies included patients with renal transplantation, 8 involved patients with nephrotic syndrome, and 3 studies included patients with lupus nephritis. The present meta-analysis provides strong evidence for the contribution of variants harbored in the ABCB1, IL-10, ITPA, MIF, and TNF genes that creates some genetic predisposition that reduces effectiveness or is associated with adverse events of medications used in CKD.
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Affiliation(s)
- Maria Tziastoudi
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece; (G.P.); (T.E.); (I.S.)
- Correspondence: ; Tel.: +30-24-1350-1667; Fax: +30-24-1350-1015
| | - Georgios Pissas
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece; (G.P.); (T.E.); (I.S.)
| | | | - Christos Cholevas
- AHEPA Hospital, First Department of Ophthalmology, Faculty of Health Sciences, School of Medicine, Aristotle University of Thessaloniki, 54621 Thessaloniki, Greece;
| | - Theodoros Eleftheriadis
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece; (G.P.); (T.E.); (I.S.)
| | - Evangelia Dounousi
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Ioannina, 45110 Ioannina, Greece;
| | - Ioannis Stefanidis
- Department of Nephrology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece; (G.P.); (T.E.); (I.S.)
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Effect of ABCB1 3435C>T Genetic Polymorphism on Pharmacokinetic Variables of Tacrolimus in Adult Renal Transplant Recipients: A Systematic Review and Meta-analysis. Clin Ther 2020; 42:2049-2065. [DOI: 10.1016/j.clinthera.2020.07.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 07/28/2020] [Accepted: 07/28/2020] [Indexed: 11/22/2022]
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Shao S, Hu L, Han Z, Hou K, Fang H, Zhang G, Feng Y, Huang L. The effect of ABCB1 polymorphism on sirolimus in renal transplant recipients: a meta-analysis. Transl Androl Urol 2020; 9:673-683. [PMID: 32420174 PMCID: PMC7215018 DOI: 10.21037/tau.2020.03.42] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Background Sirolimus (SRL) is an immunosuppressive drug and substrate of the P-glycoprotein (P-GP) encoded by ABCB1. The relationship between ABCB1 polymorphism and the pharmacokinetics of SRL in different studies were conflicting in renal transplant recipients. Thus, this meta-analysis aims to investigate the influence of ABCB1 C3435T, C1236T, and G2677T/A polymorphisms on the dose-adjusted trough level (C/D) of SRL in renal transplant recipients. Methods PubMed, Embase, and the Cochrane Library were searched for relevant studies. The quality of each eligible study was assessed according to Newcastle-Ottawa Scale. The STATA 15.0 was adopted to perform the meta-analysis. The fixed-effects model was used for pooled results with low heterogeneity (I2 ≤50%); otherwise, the random-effects model was used. Results A total of 6 studies were included in the meta-analysis. Results of pooled analysis showed no significant association of SRL C/D ratio with ABCB1 C3435T polymorphism. The subgroup analysis based on different ethnic groups and different time-points after SRL initiation in renal transplant recipients were also conducted. No significant association was observed in these subgroups. Significant associations were showed between ABCB1 C1236T polymorphism and the C/D ratio of SRL in the homozygous model (TT vs. CC; WMD: −45.54; 95% CI: −75.15, −15.94; P=0.003), and also in subgroup of Caucasian (TT vs. CC; WMD: −46.57; 95% CI: −91.90, −1.25; P=0.044 and TT vs. CC + CT; WMD: −52.10; 95% CI: −95.38, −8.82; P=0.018). Significant differences were found in association between the ABCB1 G2677T/A polymorphism and the C/D ratio of SRL, including the homozygous model (TT vs. GG; WMD: −76.47; 95% CI: −126.37, −26.58; P= 0.003), the heterozygous model (GT vs. GG,WMD: 178.62; 95% CI: 125.03, 232.22; P= 0.000), the dominant model (GT + TT vs. GG; WMD: 82.23; 95% CI: 36.28, 128.17; P=0.000), the recessive model (TT vs. GG + GT; WMD: −179.38; 95% CI: −283.33, −75.42; P=0.001), and the over-dominant model (GT vs. GG + TT; WMD: 199.44; 95% CI: 84.84, 314.05; P=0.001). Conclusions No significant association exists between ABCB1 C3435T polymorphism and the C/D ratio of SRL in renal transplant recipients. To achieve target therapeutic concentrations, ABCB1 C1236T homozygous mutant TT genotype will require a higher dose of sirolimus than wild type GG, especially in Caucasian renal transplant recipients. ABCB1 G2677T/A TT genotype will also need a higher dose of sirolimus genotype. Genotyping of ABCB1 might help to improve the individualization of SRL for renal transplant recipients. Further studies are expected to provide high-quality evidence.
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Affiliation(s)
- Shuai Shao
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China.,Department of Pharmacy, Affiliated Hospital of Beihua University, Jilin 132011, China
| | - Lei Hu
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Zaigang Han
- Department of Pharmacy, Affiliated Hospital of Beihua University, Jilin 132011, China
| | - Kelu Hou
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Huihui Fang
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Guijie Zhang
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Yufei Feng
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Lin Huang
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
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Farouk SS, Rein JL. The Many Faces of Calcineurin Inhibitor Toxicity-What the FK? Adv Chronic Kidney Dis 2020; 27:56-66. [PMID: 32147003 DOI: 10.1053/j.ackd.2019.08.006] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Calcineurin inhibitors (CNIs) are both the savior and Achilles' heel of kidney transplantation. Although CNIs have significantly reduced rates of acute rejection, their numerous toxicities can plague kidney transplant recipients. By 10 years, virtually all allografts will have evidence of CNI nephrotoxicity. CNIs have been strongly associated with hypertension, dyslipidemia, and new onset of diabetes after transplantation-significantly contributing to cardiovascular risk in the kidney transplant recipient. Multiple electrolyte derangements including hyperkalemia, hypomagnesemia, hypercalciuria, metabolic acidosis, and hyperuricemia may be challenging to manage for the clinician. Finally, CNI-associated tremor, gingival hyperplasia, and defects in hair growth can have a significant impact on the transplant recipient's quality of life. In this review, the authors briefly discuss the pharmacokinetics of CNI and discuss the numerous clinically relevant toxicities of commonly used CNIs, cyclosporine and tacrolimus.
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Therapeutic Drug Monitoring of Tacrolimus-Personalized Therapy: Second Consensus Report. Ther Drug Monit 2019; 41:261-307. [DOI: 10.1097/ftd.0000000000000640] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Brunet M, van Gelder T, Åsberg A, Haufroid V, Hesselink DA, Langman L, Lemaitre F, Marquet P, Seger C, Shipkova M, Vinks A, Wallemacq P, Wieland E, Woillard JB, Barten MJ, Budde K, Colom H, Dieterlen MT, Elens L, Johnson-Davis KL, Kunicki PK, MacPhee I, Masuda S, Mathew BS, Millán O, Mizuno T, Moes DJAR, Monchaud C, Noceti O, Pawinski T, Picard N, van Schaik R, Sommerer C, Vethe NT, de Winter B, Christians U, Bergan S. Therapeutic Drug Monitoring of Tacrolimus-Personalized Therapy: Second Consensus Report. Ther Drug Monit 2019. [DOI: 10.1097/ftd.0000000000000640
expr 845143713 + 809233716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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Abstract
The transport of specific molecules across lipid membranes is an essential function of all living organisms. The processes are usually mediated by specific transporters. One of the largest transporter families is the ATP-binding cassette (ABC) family. More than 40 ABC transporters have been identified in human, which are divided into 7 subfamilies (ABCA to ABCG) based on their gene structure, amino acid sequence, domain organization, and phylogenetic analysis. Of them, at least 11 ABC transporters including P-glycoprotein (P-GP/ABCB1), multidrug resistance-associated proteins (MRPs/ABCCs), and breast cancer resistance protein (BCRP/ABCG2) are involved in multidrug resistance (MDR) development. These ABC transporters are expressed in various tissues such as the liver, intestine, kidney, and brain, playing important roles in absorption, distribution, and excretion of drugs. Some ABC transporters are also involved in diverse cellular processes such as maintenance of osmotic homeostasis, antigen processing, cell division, immunity, cholesterol, and lipid trafficking. Several human diseases such as cystic fibrosis, sitosterolemia, Tangier disease, intrahepatic cholestasis, and retinal degeneration are associated with mutations in corresponding transporters. This chapter will describe function and expression of several ABC transporters (such as P-GP, BCRP, and MRPs), their substrates and inhibitors, as well as their clinical significance.
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Affiliation(s)
- Xiaodong Liu
- China Pharmaceutical University, Nanjing, China.
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Yang L, de Winter BCM, van Schaik RHN, Xie RX, Li Y, Andrews LM, Shuker N, Bahmany S, Koch B, van Gelder T, Hesselink DA. CYP3A5 and ABCB1 polymorphisms in living donors do not impact clinical outcome after kidney transplantation. Pharmacogenomics 2018; 19:895-903. [PMID: 29991328 DOI: 10.2217/pgs-2018-0066] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Aim: To investigate the association between donor CYP3A5 and ABCB1 polymorphisms and tacrolimus (Tac)-induced nephrotoxicity and renal function in kidney transplant recipients. Methods: The CYP3A5 6986A>G and ABCB1 3435C>T polymorphisms were determined in 237 recipients and donors. Results: There was no significant association between Tac-related nephrotoxicity and donor CYP3A5 and ABCB1 genotype. The donor ABCB1 3435C>T polymorphism was associated with estimated glomerular filtration rate on day 7 and month 1. The combined donor–recipient ABCB1 genotype (3435C>T polymorphism) was significantly related with estimated glomerular filtration rate on day 3 and 7 in univariate analysis. However, these differences were no longer statistically significant in multivariate analysis. Conclusion: A genetic analysis of ABCB1 and CYP3A5 of kidney transplant donors is not helpful to improve renal transplant outcomes.
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Affiliation(s)
- Lin Yang
- Department of Pharmacy, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, PR China
| | - Brenda CM de Winter
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Ron HN van Schaik
- Department of Clinical Chemistry, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Rui-Xiang Xie
- Department of Pharmacy, Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, PR China
| | - Yi Li
- Department of Laboratory Medicine, West China Hospital of Sichuan University, Chengdu, PR China
| | - Louise M Andrews
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Nauras Shuker
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Soma Bahmany
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Birgit Koch
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Teun van Gelder
- Department of Hospital Pharmacy, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
- Department of Internal Medicine, Division of Nephrology & Transplantation, Rotterdam Transplant Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Dennis A Hesselink
- Department of Internal Medicine, Division of Nephrology & Transplantation, Rotterdam Transplant Group, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
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Thishya K, Vattam KK, Naushad SM, Raju SB, Kutala VK. Artificial neural network model for predicting the bioavailability of tacrolimus in patients with renal transplantation. PLoS One 2018; 13:e0191921. [PMID: 29621269 PMCID: PMC5886400 DOI: 10.1371/journal.pone.0191921] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 01/12/2018] [Indexed: 02/06/2023] Open
Abstract
The objective of the current study was to explore the role of ABCB1 and CYP3A5 genetic polymorphisms in predicting the bioavailability of tacrolimus and the risk for post-transplant diabetes. Artificial neural network (ANN) and logistic regression (LR) models were used to predict the bioavailability of tacrolimus and risk for post-transplant diabetes, respectively. The five-fold cross-validation of ANN model showed good correlation with the experimental data of bioavailability (r2 = 0.93-0.96). Younger age, male gender, optimal body mass index were shown to exhibit lower bioavailability of tacrolimus. ABCB1 1236 C>T and 2677G>T/A showed inverse association while CYP3A5*3 showed a positive association with the bioavailability of tacrolimus. Gender bias was observed in the association with ABCB1 3435 C>T polymorphism. CYP3A5*3 was shown to interact synergistically in increasing the bioavailability in combination with ABCB1 1236 TT or 2677GG genotypes. LR model showed an independent association of ABCB1 2677 G>T/A with post transplant diabetes (OR: 4.83, 95% CI: 1.22-19.03). Multifactor dimensionality reduction analysis (MDR) revealed that synergistic interactions between CYP3A5*3 and ABCB1 2677 G>T/A as the determinants of risk for post-transplant diabetes. To conclude, the ANN and MDR models explore both individual and synergistic effects of variables in modulating the bioavailability of tacrolimus and risk for post-transplant diabetes.
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Affiliation(s)
- Kalluri Thishya
- Departments of Clinical Pharmacology and Therapeutics, Nizam's Institute of Medical Sciences Hyderabad, Telangana, India
| | | | | | - Shree Bhushan Raju
- Department of Nephrology, Nizam's Institute of Medical Sciences, Hyderabad, Telanagana, India
| | - Vijay Kumar Kutala
- Departments of Clinical Pharmacology and Therapeutics, Nizam's Institute of Medical Sciences Hyderabad, Telangana, India
- * E-mail:
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Meng HY, Luo ZH, Hu B, Jin WL, Yan CK, Li ZB, Xue YY, Liu Y, Luo YE, Xu LQ, Yang H. SNPs affecting the clinical outcomes of regularly used immunosuppressants. Pharmacogenomics 2018. [PMID: 29517418 DOI: 10.2217/pgs-2017-0182] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Recent studies have suggested that genomic diversity may play a key role in different clinical outcomes, and the importance of SNPs is becoming increasingly clear. In this article, we summarize the bioactivity of SNPs that may affect the sensitivity to or possibility of drug reactions that occur among the signaling pathways of regularly used immunosuppressants, such as glucocorticoids, azathioprine, tacrolimus, mycophenolate mofetil, cyclophosphamide and methotrexate. The development of bioinformatics, including machine learning models, has enabled prediction of the proper immunosuppressant dosage with minimal adverse drug reactions for patients after organ transplantation or for those with autoimmune diseases. This article provides a theoretical basis for the personalized use of immunosuppressants in the future.
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Affiliation(s)
- Huan-Yu Meng
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Zhao-Hui Luo
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Bo Hu
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Wan-Lin Jin
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Cheng-Kai Yan
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Zhi-Bin Li
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Yuan-Yuan Xue
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Yu Liu
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Yi-En Luo
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Li-Qun Xu
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
| | - Huan Yang
- Department of Neurology, Xiangya Hospital of Central South University, Changsha, PR China
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Wolking S, Schaeffeler E, Lerche H, Schwab M, Nies AT. Impact of Genetic Polymorphisms of ABCB1 (MDR1, P-Glycoprotein) on Drug Disposition and Potential Clinical Implications: Update of the Literature. Clin Pharmacokinet 2016; 54:709-35. [PMID: 25860377 DOI: 10.1007/s40262-015-0267-1] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
ATP-binding cassette transporter B1 (ABCB1; P-glycoprotein; multidrug resistance protein 1) is an adenosine triphosphate (ATP)-dependent efflux transporter located in the plasma membrane of many different cell types. Numerous structurally unrelated compounds, including drugs and environmental toxins, have been identified as substrates. ABCB1 limits the absorption of xenobiotics from the gut lumen, protects sensitive tissues (e.g. the brain, fetus and testes) from xenobiotics and is involved in biliary and renal secretion of its substrates. In recent years, a large number of polymorphisms of the ABCB1 [ATP-binding cassette, sub-family B (MDR/TAP), member 1] gene have been described. The variants 1236C>T (rs1128503, p.G412G), 2677G>T/A (rs2032582, p.A893S/T) and 3435C>T (rs1045642, p.I1145I) occur at high allele frequencies and create a common haplotype; therefore, they have been most widely studied. This review provides an overview of clinical studies published between 2002 and March 2015. In summary, the effect of ABCB1 variation on P-glycoprotein expression (messenger RNA and protein expression) and/or activity in various tissues (e.g. the liver, gut and heart) appears to be small. Although polymorphisms and haplotypes of ABCB1 have been associated with alterations in drug disposition and drug response, including adverse events with various ABCB1 substrates in different ethnic populations, the results have been majorly conflicting, with limited clinical relevance. Future research activities are warranted, considering a deep-sequencing approach, as well as well-designed clinical studies with appropriate sample sizes to elucidate the impact of rare ABCB1 variants and their potential consequences for effect sizes.
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Affiliation(s)
- Stefan Wolking
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler Strasse 3, 72076, Tübingen, Germany
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Yan L, Li Y, Tang JT, An YF, Wang LL, Shi YY. Donor ABCB1 3435 C>T genetic polymorphisms influence early renal function in kidney transplant recipients treated with tacrolimus. Pharmacogenomics 2016; 17:249-57. [PMID: 26784512 DOI: 10.2217/pgs.15.165] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
AIM Determine the effect of genetic variants of donors and recipients on early renal function and tacrolimus pharmacokinetics in kidney transplant recipients. PATIENTS & METHODS We measured CYP3A5 (6986A>G), ABCB1 (3435C>T, 2677G>T/A, 1236C>T) genetic polymorphisms in 120 renal transplant recipients and donors by high-resolution melting curve analysis. The renal function and tacrolimus trough concentrations were analyzed. RESULTS The genotype of CYP3A5 (6986A>G) in recipients showed strong influence on tacrolimus pharmacokinetics. The ABCB1 3435 CC genotype in donor was significantly associated with lower estimated glomerular filtration in recipients within 1 month (p < 0.05) and correlated with delayed creatinine recovery (p = 0.007). CONCLUSIONS ABCB1 3435 CC genotype in donor influences early renal function and creatinine recovery in tacrolimus-treated kidney transplant recipients.
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Affiliation(s)
- Lin Yan
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yi Li
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Jiang-Tao Tang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yun-Fei An
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Lan-Lan Wang
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Yun-Ying Shi
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu, China
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Shu WY, Li JL, Wang XD, Huang M. Pharmacogenomics and personalized medicine: a review focused on their application in the Chinese population. Acta Pharmacol Sin 2015; 36:535-43. [PMID: 25891088 DOI: 10.1038/aps.2015.10] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Accepted: 01/21/2015] [Indexed: 12/22/2022] Open
Abstract
The field of pharmacogenomics was initiated in the 1950s and began to thrive after the completion of the human genome project 10 years ago. Thus far, more than 100 drug labels and clinical guidelines referring to pharmacogenomic biomarkers have been published, and several key pharmacogenomic markers for either drug safety or efficacy have been identified and subsequently adopted in clinical practice as pre-treatment genetic tests. However, a tremendous variation of genetic backgrounds exists between different ethnic groups. The application of pharmacogenomics in the Chinese population is still a long way off, since the published guidelines issued by the organizations such as US Food and Drug Administration require further confirmation in the Chinese population. This review highlights important pharmacogenomic discoveries in the Chinese population and compares the Chinese population with other nations regarding the pharmacogenomics of five most commonly used drugs, ie, tacrolimus, cyclosporine A, warfarin, cyclophosphamide and azathioprine.
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Lee J, Wang R, Yang Y, Lu X, Zhang X, Wang L, Lou Y. The Effect of ABCB1 C3435T Polymorphism on Cyclosporine Dose Requirements in Kidney Transplant Recipients: A Meta-Analysis. Basic Clin Pharmacol Toxicol 2015; 117:117-25. [PMID: 25536375 DOI: 10.1111/bcpt.12371] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2014] [Accepted: 12/12/2014] [Indexed: 11/30/2022]
Abstract
Cyclosporine A (CsA) is a substrate of the multi-drug efflux pump P-glycoprotein (P-gp) encoded by ABCB1. Among the various single nucleotide polymorphisms (SNPs) of ABCB1, C3435T has been extensively investigated to determine the relationship with the pharmacokinetics of CsA. However, the results are controversial. This meta-analysis was designed to evaluate the influence of C3435T SNP on the dose-adjusted trough (C0 /D) and peak (Cmax /D) concentrations of CsA. Based on a literature search of four authoritative databases, 13 studies since 2001 concerning 1293 kidney transplant recipients were included. The results indicated a significant difference of C0 /D and Cmax /D between 3435CC and 3435TT genotype carriers (weighted mean difference (WMD) of C0 /D: 4.18 (ng ml(-1))/(mg kg(-1)), 95% CIs: 1.00-7.37, p = 0.01; WMD of Cmax /D: 20.85 (ng ml(-1))/(mg kg(-1)), 95% CIs: 2.25-39.46, p = 0.03). Subgroup analysis by ethnicity demonstrated that C0 /D was lower in Asian CC versus TT genotype carriers (WMD = 10.32 (ng ml(-1))/(mg kg(-1)), 95% CIs: 4.78-15.85, p = 0.0003) but did not vary by genotype for Caucasian recipients. Moreover, significant variation of C0 /D was found at 1 week and 1-3 months after transplantation between CC and TT genotype carriers. Therefore, this meta-analysis showed a correlation between ABCB1 C3435T polymorphism and the dose-adjusted concentration of CsA. Patients with 3435CC genotype will require a higher dose of CsA to achieve target therapeutic concentrations when compared with 3435TT carriers after kidney transplantation, especially in the Asian population and especially during the early and middle time periods after transplantation.
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Affiliation(s)
- Jun Lee
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Rongrong Wang
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yuan Yang
- Department of Clinical Pharmacology, Zhuji City Sixth People's Hospital, Zhuji, China
| | - Xiaoyang Lu
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Xingguo Zhang
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Linrun Wang
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yan Lou
- Department of Clinical Pharmacology, the First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
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Bruhn O, Cascorbi I. Polymorphisms of the drug transporters ABCB1, ABCG2, ABCC2 and ABCC3 and their impact on drug bioavailability and clinical relevance. Expert Opin Drug Metab Toxicol 2014; 10:1337-54. [PMID: 25162314 DOI: 10.1517/17425255.2014.952630] [Citation(s) in RCA: 96] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION Human ATP-binding cassette (ABC) transporters act as translocators of numerous substrates across extracellular and intracellular membranes, thereby contributing to bioavailability and consequently therapy response. Genetic polymorphisms are considered as critical determinants of expression level or activity and subsequently response to selected drugs. AREAS COVERED Here the influence of polymorphisms of the prominent ABC transporters P-glycoprotein (MDR1, ABCB1), breast cancer resistance protein (BCRP, ABCG2) and the multidrug resistance-associated protein (MRP) 2 (ABCC2) as well as MRP3 (ABCC3) on the pharmacokinetic of drugs and associated consequences on therapy response and clinical outcome is discussed. EXPERT OPINION ABC transporter genetic variants were assumed to affect interindividual differences in pharmacokinetics and subsequently clinical response. However, decades of medical research have not yielded in distinct and unconfined reproducible outcomes. Despite some unique results, the majority were inconsistent and dependent on the analyzed cohort or study design. Therefore, variability of bioavailability and drug response may be attributed only by a small amount to polymorphisms in transporter genes, whereas transcriptional regulation or post-transcriptional modification seems to be more critical. In our opinion, currently identified genetic variants of ABC efflux transporters can give some hints on the role of transporters at interfaces but are less suitable as biomarkers to predict therapeutic outcome.
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Affiliation(s)
- Oliver Bruhn
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein , Campus Kiel, Arnold-Heller-Str. 3, 24105 Kiel , Germany +49 431 597 3500 ; +49 431 597 3522 ;
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Provenzani A, Santeusanio A, Mathis E, Notarbartolo M, Labbozzetta M, Poma P, Provenzani A, Polidori C, Vizzini G, Polidori P, D’Alessandro N. Pharmacogenetic considerations for optimizing tacrolimus dosing in liver and kidney transplant patients. World J Gastroenterol 2013; 19:9156-9173. [PMID: 24409044 PMCID: PMC3882390 DOI: 10.3748/wjg.v19.i48.9156] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Revised: 10/16/2013] [Accepted: 10/22/2013] [Indexed: 02/06/2023] Open
Abstract
The introduction of tacrolimus in clinical practice has improved patient survival after organ transplant. However, despite the long use of tacrolimus in clinical practice, the best way to use this agent is still a matter of intense debate. The start of the genomic era has generated new research areas, such as pharmacogenetics, which studies the variability of drug response in relation to the genetic factors involved in the processes responsible for the pharmacokinetics and/or the action mechanism of a drug in the body. This variability seems to be correlated with the presence of genetic polymorphisms. Genotyping is an attractive option especially for the initiation of the dosing of tacrolimus; also, unlike phenotypic tests, the genotype is a stable characteristic that needs to be determined only once for any given gene. However, prospective clinical studies must show that genotype determination before transplantation allows for better use of a given drug and improves the safety and clinical efficacy of that medication. At present, research has been able to reliably show that the CYP3A5 genotype, but not the CYP3A4 or ABCB1 ones, can modify the pharmacokinetics of tacrolimus. However, it has not been possible to incontrovertibly show that the corresponding changes in the pharmacokinetic profile are linked with different patient outcomes regarding tacrolimus efficacy and toxicity. For these reasons, pharmacogenetics and individualized medicine remain a fascinating area for further study and may ultimately become the face of future medical practice and drug dosing.
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Bosó V, Herrero MJ, Bea S, Galiana M, Marrero P, Marqués MR, Hernández J, Sánchez-Plumed J, Poveda JL, Aliño SF. Increased Hospital Stay and Allograft Disfunction in Renal Transplant Recipients with Cyp2c19 AA Variant in SNP rs4244285. Drug Metab Dispos 2012; 41:480-7. [DOI: 10.1124/dmd.112.047977] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
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Shi Y, Li Y, Tang J, Zhang J, Zou Y, Cai B, Wang L. Influence of CYP3A4, CYP3A5 and MDR-1 polymorphisms on tacrolimus pharmacokinetics and early renal dysfunction in liver transplant recipients. Gene 2012; 512:226-31. [PMID: 23107770 DOI: 10.1016/j.gene.2012.10.048] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2012] [Revised: 08/02/2012] [Accepted: 10/10/2012] [Indexed: 02/08/2023]
Abstract
OBJECTIVES Tacrolimus is a widely used immunosuppressive drug in organ transplantation. The oral bioavailability of tacrolimus varies greatly between individuals and depends largely on the activity of both the cytochrome P450 3A (CYP3A) subfamily and P-glycoprotein (P-gp). The possible influence of single nucleotide polymorphisms (SNPs) of CYP3A subfamily and P-gp (MDR-1) in liver transplant recipients has recently been indicated as one of the most important variables affecting the pharmacokinetics of tacrolimus and the renal injury induced by tacrolimus. METHODS A total of 216 liver transplant recipients were enrolled in this study. The recipients' mean follow-up time was 52 mo (range from 16 to 96 mo). All liver transplant recipients were all in a stable stage with normal serum creatinine (SCr). All liver transplant recipients treated with tacrolimus were genotyped for CYP3A5 (6986A>G), CYP3A4 intron 6 (CYP3A4*22), MDR-1 exon 26 (3435C>T) and exon 12 (1236 C>T) SNPs by HRM analysis (high-resolution melting curve analysis). Recipients were defined as the early renal injury by the elevation of different microproteins in the urine including microalbumin (MA), urine immunoglobulin G (IGU), urine transferrin (TRU) and α1-microglobulin (A1M). RESULTS The daily dose of tacrolimus was higher for recipients with CYP3A5 1/1 (AA) genotype than those with CYP3A5 3/ 3 (GG) genotype [3.0 (2.0-4.0) versus 2.0 (1.5-2.5) mg/d, P<0.05]. The concentration/dose ratio of recipients with CYP3A5 1 homozygotes was lowest compared to recipients with CYP3A5 3/ 3 and CYP3A5 1/ 3 genotypes. Furthermore, the recipients carrying CYP3A5 3 allele were associated with increased risk of early renal glomerular injury compared to the recipients carrying CYP3A5 1 allele (P=0.01). MDR-1 polymorphisms were not related with tacrolimus pharmacokinetics and early renal injury. CONCLUSION CYP3A5 6986A>G genetic polymorphism affected daily dose requirements, concentration and nephrotoxicity of tacrolimus. Screening for this single nucleotide polymorphism before the transplantation might be helpful for the selection of adequate initial daily dose and to achieve the desired immunosuppression outcome.
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Affiliation(s)
- Yunying Shi
- Department of Nephrology, West China Hospital, Sichuan University, Chengdu 610041, People's Republic of China
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Pharmacokinetics in stable kidney transplant recipients after conversion from twice-daily to once-daily tacrolimus formulations. Ther Drug Monit 2012; 34:46-52. [PMID: 22249344 DOI: 10.1097/ftd.0b013e318244a7fd] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND A prolonged-release formulation of tacrolimus for once-daily administration (Tacrolimus QD) has been developed to offer potential improvements in patient adherence. This study compared the pharmacokinetics (PK) of tacrolimus in stable kidney transplant recipients before and after conversion from twice-daily tacrolimus (Tacrolimus BID) to Tacrolimus QD. METHODS This was an open-label, multicenter replicate design study in stable adult kidney transplant recipients (≥6 months posttransplantation) maintained on Tacrolimus BID. Patients underwent four sequential 14-day treatment periods of alternating Tacrolimus BID and QD (mg:mg conversion). Four 24-hour PK profiles were collected, one on the last day of each treatment period. Adverse events were also reported. RESULTS A total of 60 of 69 patients completed all 4 PK profiles. Steady-state tacrolimus area under the curve from 0 to 24 hours and Cmin were comparable for both formulations, with treatment ratio means (90% confidence intervals) of 92.9% (89.8%-96.0%) and 90.9% (87.3%-94.6%), respectively (acceptance interval: 80%-125%). Both formulations were well tolerated, with renal function remaining stable over the 8-week period. There was a good correlation between area under the curve from 0 to 24 hours and Cmin for Tacrolimus QD and BID (r = 0.88 and 0.82, respectively). The relationship between these two parameters was also similar. CONCLUSIONS The results of this study provide evidence for safe conversion from Tacrolimus BID to QD with appropriate trough concentration monitoring.
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Li Y, Hu X, Cai B, Chen J, Bai Y, Tang J, Liao Y, Wang L. Meta-analysis of the effect of MDR1 C3435 polymorphism on tacrolimus pharmacokinetics in renal transplant recipients. Transpl Immunol 2012; 27:12-8. [PMID: 22504573 DOI: 10.1016/j.trim.2012.03.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2011] [Revised: 03/26/2012] [Accepted: 03/27/2012] [Indexed: 02/05/2023]
Abstract
BACKGROUND The published data revealed conflicting results of the polymorphism of MDR1 exon 26 SNP C3435T on the pharmacokinetics of tacrolimus in different post transplant times; thus, the aim was to perform a meta-analysis of different post transplant times to investigate the influence of SNP C3435T on the tacrolimus pharmacokinetics. METHODS A literature search was conducted to locate the relevant papers by using the PUBMED and EMBASE electronic source until 2011. The pharmacokinetic parameters, including dose administration, concentration and concentration to dose ratio were extracted and a meta-analysis was performed by using STATA10.0. RESULTS A total of 13 papers concerning 1327 individuals were included in the meta-analysis. The overall results showed SNP C3435T could influence the pharmacokinetic parameters in different post transplant times, the subjects with CC genotype had lower concentration dose ratio and need higher tacrolimus dose than the CT and TT genotype. CONCLUSIONS Our meta-analysis of available studies has demonstrated a definite correlation between the SNP C3435T in MDR1 gene and pharmacokinetics of tacrolimus. However, additional studies with large sample size and better study designs are warranted to verify our finding.
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Affiliation(s)
- Yi Li
- Department of Clinical Immunological Laboratory, West China Hospital, Sichuan University, Chengdu, People's Republic of China
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