Screening of schizophrenia associated miRNAs and the regulation of miR-320a-3p on integrin β1

Medicine
Yuhan WangYuanshuai Huang

Abstract

Schizophrenia is one of the most severe chronic psychiatric disorders, which lacks of objective and effective diagnosis and observation indicators.In this work, the serum miRNA profiles of schizophrenic patients were analyzed. Targets of abnormal miRNAs, and their regulatory mechanisms were studied. A miRNA array was used to analyze the serum from 3 schizophrenic patients without treatment, 3 clinically cured patients and 3 healthy controls. The findings from the array were confirmed by real-time PCR in a larger cohort, including 59 patients and 60 healthy controls. The candidate miRNAs were analyzed using bioinformatics tools. Their potential targets were studied through in vitro cellular experiments.MiR-320a-3p and miR-320b were found to be down-regulated in patients compared with cured patients and controls in the miRNA array, which was also confirmed by real-time PCR in the larger cohort. Integrin β1 (ITG β1) was found to be one of the targets of miR-320a-3p. An enzyme-linked immune sorbent assay demonstrated that the ITG β1 concentration increased significantly in the patients' serum, and the in vitro study confirmed that miR-320a-3p targeted the 3' UTR of ITG β1 mRNA and reduced its expression.Our results demonstrated tha...Continue Reading

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Citations

May 28, 2020·Frontiers in Psychiatry·Zexuan LiYong Xu
Jul 29, 2021·Epigenomics·Hamid Mostafavi AbdolmalekySam Thiagalingam

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Methods Mentioned

BETA
PCR
Reverse Transcription
transfection
protein assay
ChIP
ELISA
fluorescence microscopy

Software Mentioned

miranda
GraphPad Prism
Significance Analysis of Microarrays [ ( SAM )
Targetscan

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