Network-guided genetic screening for metastasis-related microRNA-200c in breast cancer

Sheng Wang, Ying Qun Xiao, Zhuo Qi Liu, Xiao Hong Yang, Xiao Liang Xiong, Wei Feng Zhu, Huidong Shi, Da Ya Luo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

To screen for the gene network regulated by breast cancer metastasis-related miR- 200c (microRNA-200c) using bioinformatics means. Methods: The miRNAs differentially expressed in 12 types of breast cell lines were screened out using Affymetrix® miRNA Array. Lipofectamine was supplied in the transfection of miR-200c mimic into four breast cancer cell lines with high-metastatic capability (BT549, HS578T, MDA-MB-231 and SUM159PT cells). The genes differentially expressed in these four breast cancer cell lines were screened through mRNA expression profiling. The signalling pathways and the gene network regulated by miR-200c were screened using MAS (Molecule Annotation System) (CapitalBio Molecule Annotation System). Results: Nine miRNAs were differentially expressed among 12 types of breast cell lines (P < 0.01, fold change ≥20 or ≤-20), and the expression of miR-200c was decreased most significantly in breast cancer cell lines of high metastatic potential. There were 33 co-upregulated genes and 13 codownregulated genes shared through the four breast cancer cell lines of high metastatic potential after transfection with miR-200c mimic. The results of real-time fluorescence quantitative PCR and Western blotting confirmed that the expressions of ZEB1 (zinc finger E-box binding homeobox 1) mRNA and protein were decreased in four transfected cell lines. The bioinformatics analysis using MAS suggested that the common signalling pathways related to the genes differentially expressed in breast cancer cells transfected with miR-200c mimic included pathways olfactory transduction, cytokine-cytokine receptor interaction, cell adhesion molecules, etc . The different signalling pathways could be in interconnection with each other through co-regulated genes, and co-regulated genes had a close interrelationship within a specific pathway. Conclusion: Based on high-throughput screening using Biochip technology, the bioinformatics analysis is able to demonstrate the gene network regulated by miR-200c and provide an explicit direction for further mechanism research on miR-200c.

Original languageEnglish (US)
Pages (from-to)111-118
Number of pages8
JournalTumor
Volume33
Issue number2
DOIs
StatePublished - Dec 9 2013

Fingerprint

Genetic Testing
MicroRNAs
Breast Neoplasms
Neoplasm Metastasis
Cell Line
Gene Regulatory Networks
Computational Biology
Genes
Transfection
Breast
Olfactory Pathways
Messenger RNA
Cytokine Receptors
Cell Adhesion Molecules
Real-Time Polymerase Chain Reaction
Fluorescence
Western Blotting
Cytokines
Technology
Research

Keywords

  • Breast neoplasms
  • MicroRNAs
  • Neoplasm metastasis
  • Systems biology

ASJC Scopus subject areas

  • Epidemiology
  • Oncology
  • Cancer Research

Cite this

Wang, S., Xiao, Y. Q., Liu, Z. Q., Yang, X. H., Xiong, X. L., Zhu, W. F., ... Luo, D. Y. (2013). Network-guided genetic screening for metastasis-related microRNA-200c in breast cancer. Tumor, 33(2), 111-118. https://doi.org/10.3781/j.issn.1000-7431.2013.02.002

Network-guided genetic screening for metastasis-related microRNA-200c in breast cancer. / Wang, Sheng; Xiao, Ying Qun; Liu, Zhuo Qi; Yang, Xiao Hong; Xiong, Xiao Liang; Zhu, Wei Feng; Shi, Huidong; Luo, Da Ya.

In: Tumor, Vol. 33, No. 2, 09.12.2013, p. 111-118.

Research output: Contribution to journalArticle

Wang, S, Xiao, YQ, Liu, ZQ, Yang, XH, Xiong, XL, Zhu, WF, Shi, H & Luo, DY 2013, 'Network-guided genetic screening for metastasis-related microRNA-200c in breast cancer', Tumor, vol. 33, no. 2, pp. 111-118. https://doi.org/10.3781/j.issn.1000-7431.2013.02.002
Wang, Sheng ; Xiao, Ying Qun ; Liu, Zhuo Qi ; Yang, Xiao Hong ; Xiong, Xiao Liang ; Zhu, Wei Feng ; Shi, Huidong ; Luo, Da Ya. / Network-guided genetic screening for metastasis-related microRNA-200c in breast cancer. In: Tumor. 2013 ; Vol. 33, No. 2. pp. 111-118.
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abstract = "To screen for the gene network regulated by breast cancer metastasis-related miR- 200c (microRNA-200c) using bioinformatics means. Methods: The miRNAs differentially expressed in 12 types of breast cell lines were screened out using Affymetrix{\circledR} miRNA Array. Lipofectamine was supplied in the transfection of miR-200c mimic into four breast cancer cell lines with high-metastatic capability (BT549, HS578T, MDA-MB-231 and SUM159PT cells). The genes differentially expressed in these four breast cancer cell lines were screened through mRNA expression profiling. The signalling pathways and the gene network regulated by miR-200c were screened using MAS (Molecule Annotation System) (CapitalBio Molecule Annotation System). Results: Nine miRNAs were differentially expressed among 12 types of breast cell lines (P < 0.01, fold change ≥20 or ≤-20), and the expression of miR-200c was decreased most significantly in breast cancer cell lines of high metastatic potential. There were 33 co-upregulated genes and 13 codownregulated genes shared through the four breast cancer cell lines of high metastatic potential after transfection with miR-200c mimic. The results of real-time fluorescence quantitative PCR and Western blotting confirmed that the expressions of ZEB1 (zinc finger E-box binding homeobox 1) mRNA and protein were decreased in four transfected cell lines. The bioinformatics analysis using MAS suggested that the common signalling pathways related to the genes differentially expressed in breast cancer cells transfected with miR-200c mimic included pathways olfactory transduction, cytokine-cytokine receptor interaction, cell adhesion molecules, etc . The different signalling pathways could be in interconnection with each other through co-regulated genes, and co-regulated genes had a close interrelationship within a specific pathway. Conclusion: Based on high-throughput screening using Biochip technology, the bioinformatics analysis is able to demonstrate the gene network regulated by miR-200c and provide an explicit direction for further mechanism research on miR-200c.",
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