Abstract
Background
The most effective and common treatment for end-stage renal disease is kidney transplantation.
The personalized approach to kidney transplantation, which utilizes precision medicine principles, determines distinctive genomics characteristics of candidates/recipients that must be taken into account. Cytotoxic T lymphocyte associated protein 4 (CTLA4) may be a suitable candidate gene for studying allograft rejection. The aim of this study was to understand whether we can consider two common variants of the CTLA4 gene as a risk factor of transplant rejection in a group of Iranian population.
Methods
Totally, 169 kidney transplant recipients, including acute rejections (N=39) and non-rejection (N=130) groups who underwent transplantation were included in this study. The genotyping of rs5742909 (−318C/T) and rs231775 (+49A/G) variants of the CTLA4 gene were performed by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) technique.
Results
The AG genotype frequency of rs231775 variant was the same in both patients with and without a history of rejection while, none of those groups had homozygote genotype. In rs5742909, both CT and TT frequencies of patients with rejected transplant were lower than patients with a normal outcome.
Conclusions
The results of the presented study suggest that rs231775 and rs5742909 of CTLA4 genetic variants are not linked to acute rejection who underwent kidney transplantation. So, these variants cannot be considered as risk factors of acute allograft rejection in a group of Iranian renal transplantation recipients. However, the transplantation precision medicine may be an important area for the improvement of patients outcome as the precision medicine has already entered clinical practice in kidney transplantation.
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Data availability
This project’s data will be open to the public.
Abbreviations
- AR:
-
allograft rejection
- CTLA4:
-
cytotoxic T lymphocyte associated protein 4
- SNP:
-
single nucleotide polymorphism
- PCR-RFLP:
-
polymerase chain reaction-restriction fragment length polymorphism
- SD:
-
standard deviation
- BUN:
-
blood urea nitrogen
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The authors acknowledge all subjects that generously has agreed to participate in this study.
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MH managed the project and provided guidance to the research; AT and NS drafted the manuscript and performed lab genotyping; MA performed the statistical analysis; MS sample collection; MN provided clinical guidance to the research. All authors contributed to and approved the final version of the manuscript.
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Taleb, A., Afshari, M., Samzadeh, M. et al. Influence of cytotoxic T lymphocyte antigen 4 genetic variants on acute rejection in kidney transplant patients: precision medicine perspective. J Diabetes Metab Disord 21, 69–75 (2022). https://doi.org/10.1007/s40200-021-00936-7
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DOI: https://doi.org/10.1007/s40200-021-00936-7