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Background

The expression of p38 MAPK is high in breast cancer while its subunit p38γ had been rarely reported. We aimed to explain the effect of p38γ in breast cancer from the perspective of metabolomics.

Methods

In this study, we detected the expression of p38γ in 28 breast carcinoma and para-tumor samples. Following MDA-MB-231 cell transfection with p38γ siRNAs and pc-DNA-3.1, cell viability, apoptosis, metastasis were determined through CCK-8, the cytometry analysis, transwell assay and wound healing assay. Finally, gas chromatograph-mass spectrometer (GC-MS) was used for analysis the differential metabolites.

Results

The expression of p38γ was significantly up-regulated in breast cancer tissues. The transfection of si-p38γs could inhibit MDA-MB-231 cell propagation, metastasis, and induced cell apoptosis while overexpressed p38γ could promote the cell propagation, metastasis, and inhibit cell apoptosis. A total of 238 metabolites were identified and 72 of them differentially expressed in three groups (all P < 0.05, FDR < 0.05). Then the metabolites were enriched in the metabolism pathway, 85 pathways were included and 27 were significant (all P < 0.05, FDR < 0.05).

Conclusions

p38γ was up-regulated in breast cancer, which exerts a great influence on the cell growth, cell mobility, invasiveness, and apoptosis of MDA-MB-231 cells and also affected the metabolism."xsd:string
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http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/author"Chen H."xsd:string
http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/author"He J."xsd:string
http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/author"Guo F."xsd:string
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http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/author"Wang X."xsd:string
http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/author"Peng D."xsd:string
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http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/title"Impact of p38gamma mitogen-activated protein kinase (MAPK) on MDA-MB-231 breast cancer cells using metabolomic approach."xsd:string
http://purl.uniprot.org/citations/30447427http://purl.uniprot.org/core/volume"107"xsd:string
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