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Purpose

This present study is aimed at exploring the FGB expression in breast cancer (BC) and the role of FGB in BC.

Methods

A total of 150 pairs of BC tissues and adjacent tissues from BC surgery patients were collected. RT-qPCR was utilized to evaluate the mRNA expression of FGB and miR-877-5p. Immunohistochemistry was applied to evaluate the protein expression of FGB. Chi-square test was performed to evaluate the relationship between FGB expression level and clinical characteristics. Cell proliferation was examined using CCK-8 assay. Cell invasion was evaluated by transwell assay. Flow cytometry assay was applied to measure cell apoptosis. The protein expression was evaluated by western blot. BALB/C nude mice were used to establish the xenograft tumor model.

Results

FGB was more highly expressed in BC tumor, and the expression of FGB was relevant to TNM stage and lymph node metastasis and showed a positive correlation. FGB was proved to be directly regulated via miR-877-5p and enhanced proliferation and invasion of BC cells. FGB downregulation markedly inhibited the tumor growth, including tumor weight and volume. In addition, the Ki-67 expression was observably declined in the sh-FGB group. The protein expression of E-cadherin was markedly raised in the sh-FGB group while the protein expression of N-cadherin and vimentin was markedly declined in the sh-FGB group.

Conclusion

In conclusion, miR-877-5p inhibits epithelial mesenchymal transformation, cell proliferation, and invasion of BC cells via downregulating FGB."xsd:string
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http://purl.uniprot.org/citations/36438895http://purl.uniprot.org/core/author"Mei Y."xsd:string
http://purl.uniprot.org/citations/36438895http://purl.uniprot.org/core/author"Xiang L."xsd:string
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http://purl.uniprot.org/citations/36438895http://purl.uniprot.org/core/title"miR-877-5p Inhibits Epithelial Mesenchymal Transformation of Breast Cancer Cells by Targeting FGB."xsd:string
http://purl.uniprot.org/citations/36438895http://purl.uniprot.org/core/volume"2022"xsd:string
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