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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Am+J+Cancer+Res
2017 ; 7
(6
): 1389-1406
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Wnt signaling pathway protein LEF1 in cancer, as a biomarker for prognosis and a
target for treatment
#MMPMID28670499
Santiago L
; Daniels G
; Wang D
; Deng FM
; Lee P
Am J Cancer Res
2017[]; 7
(6
): 1389-1406
PMID28670499
show ga
Transcription factors are regulatory proteins that either activate or repress the
transcription of genes via binding to DNA regulatory sequences and regulating
recruitment of transcriptional complexes. Lymphoid enhancer-binding factor 1
(LEF1), a member of the T-cell Factor (TCF)/LEF1 family of high-mobility group
transcription factors, is a downstream mediator of the Wnt/?-catenin signaling
pathway, but can also modulate gene transcription independently. LEF1 is
essential in stem cell maintenance and organ development, especially in its role
in epithelial-mesenchymal transition (EMT) by activating the transcription of
hallmark EMT effectors including N-Cadherin, Vimentin, and Snail. Aberrant
expression of LEF1 is implicated in tumorigenesis and cancer cell proliferation,
migration, and invasion. LEF1's activity in particular cancer cell types, such as
chronic lymphocytic leukemia (CLL), Burkitt lymphoma (BL), acute lymphoblastic
leukemia (ALL), oral squamous cell carcinoma (OSCC), and colorectal cancer (CRC),
makes it a valuable biomarker in predicting patient prognosis. Additionally, due
to aberrant LEF1 activity resulting in cancer progression, knockdown and
inhibition treatments designed to target LEF1 have proven effective in
alleviating cancer growth, migration, and invasion in CLL, CRC, glioblastoma
multiforme (GBM), and renal cell carcinoma (RCC). In prostate cancer cells, LEF1
promotes androgen receptor expression and activity in an androgen-independent
manner, ultimately increasing prostate cancer growth regardless of androgen
ablation therapy. In this review, we review LEF1 regulation, its role in
tumorigenesis in several cancer types, and its clinical value as a biomarker for
predicting prognoses and as a target for treatment.