Highlights
Differential expression analysis showed a total of 304 differentially expressed genes, which were mainly related to proteoglycans in cancer, the PI3K/Akt signaling pathway, and the TGF-beta signaling pathway.
The survival-related linear risk assessment model consisting of eight genes (FERMT2, ITGA5, ITGB1, MCAM, CEMIP, HGF, TGFBR1, F2RL2) was constructed. The survival rates of high-risk patients were significantly lower than that of the low-risk group, and the 3-, 5-, and 10-year AUCs were satisfactory.
BMP2, BMPR2
, and
GREM1
were differentially expressed in both data sets of breast cancer bone metastasis.
In GSE20685 and GSE45255, significant differences in immune infiltration patterns were found between high- and low-risk groups.
BMP-2 may regulate the immune infiltration process in breast cancer tissues through the PI3K/Akt signaling pathway.
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