Long non-coding RNA MIAT promotes papillary thyroid cancer progression through upregulating LASP1

Cancer Cell International
Wei LiuZhilong Ai

Abstract

Accumulating evidences indicate that long non-coding RNAs (lncRNAs) play an important role in initiation and development of thyroid cancer. However, the underlying molecular mechanism remains elusive. To explore potential oncogenic and tumor suppressive lncRNAs in papillary thyroid cancer (PTC), we performed RNA sequencing to discover differentially expression lncRNAs between PTC tissues and matched normal tissues. RT-qPCR was used to validate differentially expressed lncRNAs. Bioinformatic analysis was performed to predicted potential miRNA and gene which might be regulated by MIAT. Cell proliferation, invasion and cycle assay were conducted to study the function of MIAT and LASP1 in PTC. Through analysis of RNA sequencing, we observed that lncRNA-MIAT was overexpressed in PTC tissues. The upregulation of MIAT was further confirmed in 40 pairs of PTC tissues and normal tissues we collected. In the function assays, results suggested that MIAT silencing led to inhibition of cell proliferation, invasion and disruption of cell cycle progression in PTC cells. Mechanistically, MIAT directly bound to miR-324-3p and upregulated LASP1 expression in PTC cells. In addition, expression of MIAT was positively correlated with LASP1 mRNA exp...Continue Reading

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Citations

Jan 20, 2020·Journal of Cellular and Molecular Medicine·Lin CongMingyuan Huang
Dec 8, 2020·Frontiers in Genetics·Xuedong ChenHongyan Ge
Jan 1, 2021·Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie·Soudeh Ghafouri-FardMohammad Taheri
Apr 1, 2021·Seminars in Cancer Biology·Rui-Xin LinHong Zhang
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Dec 11, 2021·Briefings in Bioinformatics·Eun-Gyeong ParkJin-Wu Nam

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Datasets Mentioned

BETA
GSE3467

Methods Mentioned

BETA
surgical resection
PCR
Illumina sequencing
flow cytometry
transfection
RNA-seq

Software Mentioned

cBioPortal
FlowJo
Graphpad Prism
GEO2R
TopHat2
RSEM

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