Cited by 131MicroRNA in disease regulationGene expression and cancer classificationCancer-related molecular mechanisms research

Cancer Diagnosis Through IsomiR Expression with Machine Learning Method

Liao, Zhijun, Li, Dapeng, Wang, Xinrui, Li, Lisheng, Zou, Quan·2018·Current Bioinformatics

Abstract

Background: IsomiR is an isoform of microRNA (miRNA), and its sequences vary from those of a reference miRNA, which arose with the advencements of deep sequencing, high miRNA variability has been detected from the same miRNA precursor. IsomiR exists in four main types formed through the following processes: 5' or 3' trimming, Nucleotide addition, Nucleotide removal, and posttranscriptional RNA editing. Objective: For cancer diagnosis, it needs to explore differential expression profiles which can be used to distinguish cancer and normal cell lines, especially in the isomiR-mRNA regulatory networks, because aberrant isomiR expression profiles may contribute to tumorigenesis. Method: We extracted five features of the isomiR read counts from RNA-SEQ data in TCGA, with a random forest classification algorithm, these features were applied to diagnose six cancers: breast invasive carcinoma, lung adenocarcinoma, squamous-cell carcinoma of the lung, stomach adenocarcinoma, thyroid carcinoma, and uterine corpus endometrial carcinoma. Results: Compare with the classifier libD3C, our method can be utilized to distinguish cancers from their normal counterparts by performance based on sn, sp, ACC and MCC measures. Conclusion: IsomiR can be successfully and effectively used to diagnose cancer through machine learning method from high-throughput data. Keywords: MicroRNA, isomiR, cancer, machine learning, high-throughput data, RNA-SEQ data.

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Crossref · 10.2174/1574893611666160609081155

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  • Several researches proved that coding genes, noncoding RNAs, and proteins are related to diseases, including AD.

    “Several researches proved that coding genes/noncoding RNAs/proteins were related to diseases, including AD [29,30,31,32,33,34,35,36].”

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Authors
Liao, Z., Li, D., Wang, X., Li, L., & Zou, Q.
Affiliations
  • Fujian Medical University (CN)
  • Department of Internal Medicine-Oncology, The Fourth Hospital in Qinhuangdao, Qinhuangdao, China
  • Tianjin University (CN)
Corresponding author
Zou, Quan
Venue
Current Bioinformatics
Published
2018-02-19
Volume
13
Issue
1
Pages
57-63
ISSN
1574-8936 (ISSN-L)
OpenAlex
W2427122612
Cited by
130
References
0
Citations by year
2025: 2 · 2024: 6 · 2023: 10 · 2022: 13 · 2021: 19 · 2020: 46 · 2019: 26 · 2018: 8
FWCI
4.73
Type
journal article
Language
en
Open access
closed
Locations
Current Bioinformatics (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gene expression and cancer classification
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
isomiRs, microRNA isoforms, cancer diagnosis, random forest classification, RNA-seq, invasive breast cancer, lung adenocarcinoma, lung squamous cell carcinoma, gastric adenocarcinoma, thyroid cancer, uterine corpus endometrial carcinoma, TCGA

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