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Updated: Oct 13, 2025
07:01
A Quantitative Detection Method for MicroRNAs in the Kidney of an Ischemic Kidney Injury Mouse Model
Published on: September 11, 2020
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Circulating RNA Profiling in Postreperfusion Plasma From Kidney Transplant Recipients
Sang In Lee1, Hyojun Park2, Sung Joo Kim3
1Department of Animal Biotechnology, Kyungpook National University, Sangju, Gyeongsangbuk-do, Republic of Korea.
Transplantation Proceedings
|November 13, 2021
Summary
This study identified specific microRNAs (miRNAs) that are altered in kidney transplant recipients after reperfusion. These findings offer insights into the early molecular changes of ischemia/reperfusion injury (IRI) in kidney transplantation.
Area of Science:
- Transplantation immunology
- Molecular biology
- Genomics
Background:
- Ischemia/reperfusion injury (IRI) is a significant complication in kidney transplantation (KT), impacting graft function and survival.
- Understanding the early molecular events of IRI is crucial for improving outcomes in KT.
- MicroRNAs (miRNAs) are key regulators involved in various pathological processes, including IRI.
Purpose of the Study:
- To investigate the differential expression of miRNAs in the early phase of kidney transplantation.
- To identify specific miRNA profiles associated with ischemia/reperfusion injury (IRI) in kidney transplant recipients.
Main Methods:
- Compared miRNA expression profiles in peripheral and gonadal vein blood plasma samples from 5 kidney transplant recipients immediately after reperfusion.
- Utilized RNA extraction and subsequent analysis to quantify miRNA levels.
Main Results:
- Observed higher total RNA yield in postreperfusion plasma.
- Identified a subset of upregulated miRNAs (e.g., miR-let-7a-3p) and downregulated miRNAs (e.g., let-7d-3p) in postreperfusion plasma.
- Gene ontology analysis indicated that targeted genes are involved in signal transduction and cellular components like exosomes.
Conclusions:
- Presented two distinct subsets of differentially expressed miRNAs in postreperfusion plasma.
- These findings contribute to understanding miRNA-mediated molecular events in the early stages of IRI in kidney transplantation.
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