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TGF-β signaling plays an important role in breast cancer progression and metastasis. Epithelial–mesenchymal transition (EMT) is an important step in the progression of solid tumors to metastatic disease. We previously reported that IN-1130, a novel transforming growth factor-β type I receptor kinase (ALK5) inhibitor, suppressed renal fibrosis in obstructive nephropathy (Moon et al., 2006). Here, we...
High aldehyde dehydrogenase (ALDH) activity has been recognized as a marker of cancer stem cells (CSCs) in breast cancer. In this study, we examined whether inhibition of ALDH activity suppresses stem-like cell properties in a 4T1 syngeneic mouse model of breast cancer. We found that ALDH-positive 4T1 cells showed stem cell-like properties in vitro and in vivo. Blockade of ALDH activity reduced the...
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