Journal
ANNALS OF DIAGNOSTIC PATHOLOGY
Volume 44, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.anndiagpath.2019.151436
Keywords
Glioma; Radiotherapy; Exosomal miRNAs; Potential biomarker
Categories
Funding
- Science, Technology and Innovation Commission of Shenzhen Municipality [JCYJ20180305180540801]
- key scientific research project for young people in Shenzhen People's Hospital [SYKYPY201931]
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Despite development in therapies, the high recurrence and low positivity of biomarkers for diagnosis still result in glioma with high mortality. In this study, we aimed to identify a potential miRNA signature to evaluate the effect of radiotherapy in glioma patients. MicroRNA (miRNA) sequencing was performed on miRNAs isolated from serum exosomes in a cohort of glioma patients before and after radiotherapy. A total of 18 up-regulated differentially expressed (DE) miRNAs and 16 down-regulated DE miRNAs were identified. Subsequently, the target genes of DE miRNAs were predicted based on multiple miRNA-target databases. Further, it was indicated that these targets were primarily involved in metabolic process, p53 signaling pathway and cancer pathways, suggesting that these miRNAs play a crucial role in glioma by regulating targets and affect the occurrence and development of the disease. In general, this study presented the variation of miRNAs in blood exosomes before and after radiotherapy. It can not only be helpful for the diagnosis of glioma, but also find new candidate biomarkers for monitoring the condition and evaluating the efficacy of radiotherapy in glioma. It provides a new idea for the diagnosis, treatment and prognosis evaluation of glioma.
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