miRNA	MicroRNA
CXCR4	Chemokine receptor 4
CSC	Cancer stem cell
3′-UTR	3′-untrnasltaed region
HER2/neu	Human epidermal growth factor receptor 2
Akt	Protein kinase B
EMT	Epithelial mesenchymal transition
FACS	Fluorescence-activated cell sorting
IDC	Invasive ductal carcinoma
LNM	Lymph node metastasis
LCM	Laser capture microdissection
qRT-PCR	Quantitative real-time PCR