期刊
EXPERIMENTAL BIOLOGY AND MEDICINE
卷 245, 期 16, 页码 1437-1443出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/1535370220949139
关键词
Osteosarcoma; transcriptome; LEPROT; RNA sequencing; alternative splicing; osteogenic sarcoma
资金
- Estonian Research Agency [IUT20-46]
- [602398]
Alternative splicing of RNA is an essential mechanism that increases proteomic diversity in eukaryotic cells. Aberrant alternative splicing is often associated with various human diseases, including cancer. We conducted whole-transcriptome analysis of 18 osteosarcoma bone samples (paired normal-tumor biopsies). Using RNA-seq, we identified statistically significant (FDR <0.05) 26 differentially expressed transcript variants of leptin receptor overlapping transcript (LEPROT) gene. Some of the transcripts were overexpressed in normal cells, whereas others were overexpressed in tumor cells. The function ofLEPROTis not completely understood. Herein, we highlight a possible association between OS and aberrant alternative splicing events and its interaction with the expression ofLEPROT. We also discuss the role ofLEPROTin regulating growth hormone and its receptor, and the relationship with initiation and progression of OS. This research study may help to understand the association of alternative splicing mechanism in OS and in tumorigenesis more generally. Further,LEPROTgene can also be considered as a potential biomarker of osteosarcoma. Impact statement Osteosarcoma (OS, also known as osteogenic sarcoma) is the most common primary malignancy of bone in children and adolescents. The molecular mechanisms of OS are extremely complicated and its molecular mediators remain to be elucidated. We sequenced total RNA from 18 OS bone samples (paired normal-tumor biopsies). We found statistically significant (FDR <0.05) 26 differentially expressed transcript variants ofLEPROTgene with different expressions in normal and tumor samples. These findings contribute to the understanding of molecular mechanisms of OS development and provide encouragement to pursue further research.
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