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MicroRNAs and pro-inflammatory cytokines as candidate biomarkers for recent-onset psychosis
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MicroRNAs and pro-inflammatory cytokines as candidate biomarkers for recent-onset psychosis
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MicroRNAs and pro-inflammatory cytokines as candidate biomarkers for recent-onset psychosis
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Journal Article
MicroRNAs and pro-inflammatory cytokines as candidate biomarkers for recent-onset psychosis
2023
Overview
Background
Recent studies on the schizophrenia spectrum and other psychotic disorders showed that alternation of immune system components, particularly microRNAs (miRNAs) and pro-inflammatory compounds, plays a significant role in developing the illness. The study aimed to evaluate serum expression of the miRNA-26a, miRNA-106a, and miRNA-125b as genetic factors and serum levels of IL-6, IL-1β, and TNF-α as pro-inflammatory factors in an IranianAzeri population.
Methods
Forty patients with recent-onset non-affective psychosis and 40 healthy people as a control group were involved. Expression levels of miRNAs and serum levels of the cytokines were measured using RT-qPCR and ELISA, respectively. T-test, receiver operating characteristics (ROC), and spearman correlation coefficient were carried out data analysis.
Results
Findings showed higher levels of IL-6, IL-1β, TNF-α, miR-26a, and miR-106a in the plasma of the patients’ group compared with the control. miRNA-26a showed a statistically significant higher level (
p
< .003) compared to the control group, with AUC = 0.84 (95% CI: 0.77 to 0.93,
P
< .001) and cut-off point = 0.17 in comparison to other miRNAs as mentioned above; in this regard, it might be a suggestive biomarker for schizophrenia in the early stage of the illness. Moreover, miRNAs’ expression level was not substantially associated with the level of any measured cytokines above.
Conclusions
miR-26a might be a suggestive biomarker for schizophrenia in the early stage of the illness. Given that the relationship between other miRNAs and cytokines is not yet well understood; accordingly, there are encouragement and support for continued research in this fascinating field.
