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- Title
The elevation of S100B and downregulation of circulating miR-602 in the sera of ischemic stroke (IS) patients: the emergence of novel diagnostic and prognostic markers.
- Authors
Rahmati, Mina; Azarpazhooh, Mahmoud Reza; Ehteram, Hassan; Ferns, Gordon A.; Ghayour-Mobarhan, Majid; Ghannadan, Hossein; Mobarra, Naser
- Abstract
Ischemic stroke (IS) is a major cause of mortality and disability. However, no reliable prognostic or diagnostic biomarker has been utilized to date. Here, we have evaluated the serum S100B concentration and miR-602 expression as potential biomarkers for IS. Fifty-two IS patients and 52 age- and sex-matched healthy volunteers were enrolled. Blood samples were collected from all patients at the time of admission, 24 and 48 h later, at the time of discharge, and 3 months later. Real-time (RT) PCR was used to measure the serum level of miR602. We also measured the serum concentration of S100B using ELISA. As compared with healthy subjects, IS patients had a higher level of serum S100B and lower serum miR-602. ROC curve analyses revealed that miR-602 (AUC = 0.8168; P < 0.0001) and S100B (AUC = 0.8699; P < 0.0001) had acceptable ability to differentiate between IS patients from healthy subjects. Furthermore, serum S100B was a reliable predictor of the survival outcome at 3 months (P = 0.021). The expression of miR-602 was significantly higher in patients with bigger NIHSS scores. The lower levels of miR-602 and higher concentration of S100B in the sera of IS patients could be associated with clinically significant diagnostic utilities. S100B could be also introduced as a reliable prognostic marker for stroke and implemented in future research.
- Subjects
STROKE; DOWNREGULATION; RECEIVER operating characteristic curves; HOSPITAL admission &; discharge; ALTITUDES
- Publication
Neurological Sciences, 2020, Vol 41, Issue 8, p2185
- ISSN
1590-1874
- Publication type
Article
- DOI
10.1007/s10072-020-04323-7