TY - JOUR A1 - Schindler, Cora Rebecca A1 - Woschek, Mathias A1 - Vollrath, Jan Tilmann A1 - Kontradowitz, Kerstin A1 - Lustenberger, Thomas A1 - Störmann, Philipp A1 - Marzi, Ingo A1 - Henrich, Dirk T1 - miR-142-3p expression is predictive for severe traumatic brain injury (TBI) in trauma patients T2 - International journal of molecular sciences N2 - Background: Predictive biomarkers in biofluids are the most commonly used diagnostic method, but established markers in trauma diagnostics lack accuracy. This study investigates promisingmicroRNAs(miRNA)releasedfromaffectedtissueafterseveretraumathathavepredictive values for the effects of the injury. Methods: A retrospective analysis of prospectively collected data and blood samples of n = 33 trauma patients (ISS≥16) is provided. Levels of miR-9-5p, -124-3p, -142-3p, -219a-5p, -338-3pand-423-3p inseverelyinjuredpatients (PT)withouttraumatic braininjury (TBI) or with severe TBI (PT + TBI) and patients with isolated TBI (isTBI) were measured within 6 h after trauma. Results: The highest miR-423-3p expression was detected in patients with severe isTBI, followed by patients with PT + TBI, and lowest levels were found in PT patients without TBI (2−∆∆Ct,p = 0.009). ApositivecorrelationbetweenmiR-423-3plevelandincreasingAIShead (p = 0.001) and risk of mortality (RISC II, p = 0.062) in trauma patients (n = 33) was found. ROC analysis of miR-423-3p levels revealed them as statistically significant to predict the severity of brain injury in trauma patients (p = 0.006). miR-124-3p was only found in patients with severe TBI, miR-338-3p was shown in all trauma groups. miR-9-5p, miR-142-3p and miR-219a-5p could not be detected in any of the four groups. Conclusion: miR-423-3p expression is significantly elevated after isolated traumatic braininjuryandpredictableforsevereTBIinthefirsthoursaftertrauma. miR-423-3pcouldrepresent a promising new biomarker to identify severe isolated TBI. KW - miR-142-3p KW - miRNA KW - serum KW - plasma KW - SNORD95 KW - traumaticbraininjury(TBI) KW - polytrauma KW - Injury Severity Score (ISS) Y1 - 2020 UR - http://publikationen.ub.uni-frankfurt.de/frontdoor/index/index/docId/55494 UR - https://nbn-resolving.org/urn:nbn:de:hebis:30:3-554942 N1 - © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). VL - 21 IS - 15, art. 5381 SP - 1 EP - 16 PB - MDPI CY - Basel ER -