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2017 ; 23
(ä): 158-162
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Telomere Length Assessment for Prediction of Organ Transplantation Outcome
Future or Failure: A Review of the Literature
#MMPMID28076340
K?oda K
; Doma?ski L
; Mierzecki A
Med Sci Monit
2017[Jan]; 23
(ä): 158-162
PMID28076340
show ga
Telomeres are located at each end of eukaryotic chromosomes. Their functional
role is genomic stability maintenance. The protective role of telomeres depends
on various factors, including number of nucleotides repeats, telomere-binding
proteins, and telomerase activity. Organ transplantation is the preferred
replacement therapy in the case of chronic kidney disease and the only
possibility of sustaining recipients' life in the case of advanced liver failure.
While the prevalence of acute rejection is constantly decreasing, prevention of
transplanted organ long-term function loss is still challenging. It has been
demonstrated that post-transplant stressors accelerate aging of the allografts
manifested through telomere shortening. The aim of this paper was to evaluate the
importance of telomere length assessment for prediction of organ transplantation
outcome. Literature review included the 10 most important studies regarding
linkage between allograft function and telomere erosion, including 2 of our own
reports. Telomere length assessment is useful to predict organ transplantation
outcome. The importance of telomere length as a prediction marker depends on the
analyzed material. To obtain reliable results, both graft cells (donor material)
and lymphocytes (recipient material) should be examined. In the case of kidney
transplantation, assessment of telomere length in the early post-transplant
period allows prediction of the long-term function of the transplanted organ. To
increase the accuracy of transplantation outcome prediction, telomere length
assessment should be combined with evaluation of other aging biomarkers, like
CDKN2A (p16). Large-scale clinical studies regarding telomere length measurement,
including genome wide association analysis introducing relevant genetic factors,
are needed for the future.