Whole blood mRNA levels of S1PR4 associated with cerebral vasospasm after subarachnoid hemorrhage
Résumé
OBJECTIVE: The authors sought to identify mRNA biomarkers of cerebral vasospasm in whole blood of patients suffering from aneurysmal subarachnoid hemorrhage (aSAH).
METHODS: A prospective transcriptomic study for vasospasm was conducted in whole blood samples of 44 aSAH patients who developed (VSP+ group, n = 22) or did not develop (VSP− group, n = 22) vasospasm. Samples from all patients were profiled for 21,460 mRNA probes using the Illumina Human HT12v4.0 array. Differential statistical analysis was performed using a linear mixed model.
RESULTS: Levels of sphingosine-1-phosphate receptor 4 (S1PR4) mRNA were significantly higher (p = 8.03 × 10−6) at presentation in patients who developed vasospasm after aSAH than in patients who did not.
CONCLUSIONS: The results, which are consistent with findings of previous experimental investigations conducted in animal models, support the role of S1PR4 and its ligand, sphingosine-1-phosphate (S1P), in arterial-associated vasoconstriction, which suggests that S1PR4 could be used as a biomarker for cerebral vasospasm in aSAH patients.
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Pulcrano-Nicolas et al. - 2019 - Whole blood levels of S1PR4 mRNA associated with c.pdf (343.47 Ko)
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