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Potential proteins targeted by let-7f-5p in HeLa cells
Yu Wang1,2, Xiujuan Chen1, Yi Zhang2
1Department of Gynecology and Obstetrics, Inner Mongolia Medical University affiliated Hospital.
Bioscience Trends
|April 20, 2017
Summary
MicroRNAs, like let-7f-5p, regulate gene expression. This study found let-7f-5p influences protein levels and may suppress IGF2BP1 in HeLa cells, impacting cell invasion and proliferation.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- MicroRNAs (miRNAs) are endogenous non-coding RNAs that regulate gene expression post-transcriptionally.
- The let-7 miRNA family is implicated in various cellular processes, including proliferation and invasion.
Purpose of the Study:
- To investigate the role of let-7f-5p in regulating gene expression, specifically its impact on cell invasion and proliferation.
- To identify target genes of let-7f-5p in HeLa cells.
Main Methods:
- Utilized isobaric tag for relative and absolute quantitation (iTRAQ) combined with let-7f-5p overexpression and silencing in HeLa cells.
- Analyzed differential protein expression profiles between experimental and control groups.
Main Results:
- Overexpression of let-7f-5p resulted in altered expression of 164 proteins.
- Silencing of let-7f-5p led to differential expression of 172 proteins.
- Identified insulin-like growth factor 2 mRNA binding protein 1 (IGF2BP1) as a potential target suppressed by let-7f-5p.
Conclusions:
- let-7f-5p plays a significant role in modulating protein expression in HeLa cells.
- let-7f-5p may exert its effects on cell invasion and proliferation by suppressing targets such as IGF2BP1.