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Clinicopathological Analysis of miRNA Expression in Breast Cancer Tissues by Using miRNA In Situ Hybridization
Published on: June 7, 2016
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Methods for predicting single-cell miRNA in breast cancer
Chengkui Zhao1, Qi Cheng1, Weixin Xie1
1Institute of Intelligent System and Bioinformatics, College of Intelligent Systems Science and Engineering, Harbin Engineering University, Harbin 150001, China.
Genomics
|April 1, 2022
Summary
Researchers developed computational methods to infer single-cell microRNA (miRNA) expression from target gene data. This approach aids in understanding miRNA roles in cell processes and identifying cancer markers.
Area of Science:
- Biochemistry and Molecular Biology
- Genomics and Bioinformatics
- Cancer Research
Background:
- MicroRNAs (miRNAs) regulate crucial biological processes like cell proliferation, differentiation, and apoptosis.
- Quantifying miRNA expression at the single-cell level remains a significant challenge despite advances in single-cell RNA sequencing (scRNA-seq).
Purpose of the Study:
- To develop and validate computational methods for inferring single-cell miRNA expression levels from target gene abundances.
- To identify novel miRNA markers for malignant cells in triple-negative breast cancer (TNBC) at the single-cell level.
Main Methods:
- Developed an enrichment-based approach integrating miRNA-mRNA regulatory information and correlation signals from TCGA datasets.
- Employed machine learning models to infer miRNA expression levels.
- Validated methods using simulated single-cell data to assess accuracy and robustness.
Main Results:
- The developed computational methods accurately infer single-cell miRNA expression.
- The approach successfully identified potential miRNA markers in single-cell RNA-seq data from TNBC patients.
Conclusions:
- The novel computational strategy effectively addresses the challenge of single-cell miRNA quantification.
- This method provides a valuable tool for discovering single-cell miRNA biomarkers, particularly in complex diseases like TNBC.
