RBM3 and CIRP expressions in targeted temperature management treated cardiac arrest patients—A prospective single center study

English version

Autoři: Lisa-Maria Rosenthal ^aff001; Christoph Leithner ^aff003; Giang Tong ^aff001; Kaspar Josche Streitberger ^aff002; Jana Krech ^aff001; Christian Storm ^aff004; Katharina Rose Luise Schmitt ^aff001
Působiště autorů: Dept. for Congenital Heart Disease/Pediatric Cardiology, Deutsches Herzzentrum Berlin, Berlin, Germany ^aff001; Berlin Institute of Health, Berlin, Germany ^aff002; Dept. of Neurology, Charité Universtitätsmedizin Berlin, Berlin, Germany ^aff003; Dept. of Internal Medicine, Nephrology and Intensive Care, Charité Universitätsmedizin Berlin, Berlin, Germany ^aff004; Dept. for Pediatric Cardiology, Charité Universitätsmedizin Berlin, Berlin, Germany ^aff005; DHZK (German Centre for Cardiovascular Research), Berlin, Germany ^aff006
Vyšlo v časopise: PLoS ONE 14(12)
Kategorie: Research Article
prolekare.web.journal.doi_sk: https://doi.org/10.1371/journal.pone.0226005

Souhrn

Background

Management of cardiac arrest patients includes active body temperature control and strict prevention of fever to avoid further neurological damage. Cold-shock proteins RNA-binding motif 3 (RBM3) and cold inducible RNA-binding protein (CIRP) expressions are induced in vitro in response to hypothermia and play a key role in hypothermia-induced neuroprotection.

Objective

To measure gene expressions of RBM3, CIRP, and inflammatory biomarkers in whole blood samples from targeted temperature management (TTM)-treated post-cardiac arrest patients for the potential application as clinical biomarkers for the efficacy of TTM treatment.

Methods

A prospective single center trial with the inclusion of 22 cardiac arrest patients who were treated with TTM (33°C for 24 hours) after ROSC was performed. RBM3, CIRP, interleukin 6 (IL-6), monocyte chemotactic protein 1 (MCP-1), and inducible nitric oxide synthase (iNOS) mRNA expressions were quantified by RT-qPCR. Serum RBM3 protein concentration was quantified using an enzyme-linked immunosorbent assay (ELISA).

Results

RBM3 mRNA expression was significantly induced in post-cardiac arrest patients in response to TTM. RBM3 mRNA was increased 2.2-fold compared to before TTM. A similar expression kinetic of 1.4-fold increase was observed for CIRP mRNA, but did not reached significancy. Serum RBM3 protein was not increased in response to TTM. IL-6 and MCP-1 expression peaked after ROSC and then significantly decreased. iNOS expression was significantly increased 24h after return of spontaneous circulation (ROSC) and TTM.

Conclusions

RBM3 is temperature regulated in patients treated with TTM after CA and ROSC. RBM3 is a possible biomarker candidate to ensure the efficacy of TTM treatment in post-cardiac arrest patients and its pharmacological induction could be a potential future intervention strategy that warrants further research.

Klíčová slova:

Gene expression – Inflammation – Enzyme-linked immunoassays – Protein expression – Serum proteins – Body temperature – Cardiac arrest – Neuronal death

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