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2017 ; 13
(6
): 4794-4798
Nephropedia Template TP
Oncol Lett
2017[Jun]; 13
(6
): 4794-4798
PMID28588728
show ga
Maternal embryonic leucine zipper kinase (MELK) performs an important role in
self-renewal and proliferation of progenitor cells or tumor stem cells, and is
expressed in aggressive cancers, contributing to tumorigenesis. However, the
function of MELK in metastasis is unknown. In the present study, the lung cancer
A549 cell line was utilized in order to study the role of MELK in
epithelial-mesenchymal transitions (EMTs), the initial step of tumor metastasis.
It was identified that transforming growth factor-? (TGF-?) could downregulate
the expression of MELK, and that MELK could inhibit EMT by regulating TGF-?
signaling. MELK can interact with Smad proteins, which represses
TGF-?/Smad-mediated signaling activity. The findings of the present study
identified the effect of MELK in TGF-? signaling and the EMT process.