期刊
PATHOLOGY RESEARCH AND PRACTICE
卷 251, 期 -, 页码 -出版社
ELSEVIER GMBH
DOI: 10.1016/j.prp.2023.154838
关键词
Breast cancer; CeRNA; LncRNA; MiRNA; Biomarker
类别
In this study, an in-silico approach was developed to identify the RNA network in breast cancer, which revealed differentially expressed mRNAs, lncRNAs, and miRNAs. Pathway analysis indicated the involvement of various pathways in breast cancer. Furthermore, a ceRNA network consisting of lncRNAs, mRNAs, and miRNAs was constructed, suggesting its potential as a target for anti-cancer therapy and identification of novel markers for breast cancer.
The interaction between long non-coding RNAs (lncRNAs), miRNAs and mRNAs has implications in the patho-genesis of different cancer, including breast cancer. In the current study, we developed an in-silico approach to ascertain the competing endogenous RNA (ceRNA) network in breast cancer. Our approach led to identification of 1816 differentially expressed (DE) mRNAs, including 1039 downregulated DEmRNAs (such as LEP and ADIPOQ) and 777 upregulated DEmRNAs (such as COL11A1 and COL10A1), 19 DElncRNAs, including 15 downregulated DElncRNAs (such as CARMN and COPG2IT1) and 4 upregulated DElncRNAs (such as MALAT1 and NRAV) and 27 DEmiRNAs, including 15 downregulated DEmiRNAs (such as MIR452 and MIR224) and 12 upregulated DEmiRNAs (such as MIR6787 and MIR21). Pathway analysis revealed down-regulation of PPAR, Fatty acid metabolism, Adipocytokine, Vascular smooth muscle contraction and Metabolism of xenobiotics by cytochrome P450, while up-regulation of Pyrimidine metabolism, p53 signaling pathway, Cell cycle, Oocyte meiosis and RNA transport pathways in breast cancer. Finally, we constructed an lncRNA/miRNA/mRNA ceRNA network consisted of 2 lncRNAs, 15 mRNAs, and 4 miRNAs. This network represents an appropriate target for design of anti-cancer modalities and documentation of novel markers for breast cancer.
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