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2016 ; 7
(49
): 81026-81048
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Nerve growth factor modulates the tumor cells migration in ovarian cancer through
the WNT/?-catenin pathway
#MMPMID27835587
Li B
; Cai S
; Zhao Y
; He Q
; Yu X
; Cheng L
; Zhang Y
; Hu X
; Ke M
; Chen S
; Zou M
Oncotarget
2016[Dec]; 7
(49
): 81026-81048
PMID27835587
show ga
Nerve growth factor (NGF)/nerve growth factor receptors (NGFRs) axis and
canonical WNT/?-catenin pathway have shown to play crucial roles in tumor
initiation, progression and prognosis. But little did we know the relationship
between them in modulation of tumor progress. In this report, we found that
NGF/NGFRs and ?-catenin were coexpression in ovarian cancer cell lines, and NGF
can decrease the expression level of ?-catenin and affect its activities, which
may be related to the NGF-induced down-regulation of B-cell CLL/lymphoma 9-like
(BCL9L, BCL9-2). Furthermore, NGF can also increase or decrease the downstream
target gene expression levels of WNT/?-catenin depending on the cell types.
Especially, we created a novel in vitro cell growth model based on a microfluidic
device to intuitively observe the effects of NGF/NGFRs on the motility behaviors
of ovarian cancer cells. The results showed that the migration area and maximum
distance into three dimensional (3D) matrigel were decreased in CAOV3 and OVCAR3
cells, but increased in SKOV3 cells following the stimulation with NGF. In
addition, we found that the cell colony area was down-regulated in CAOV3 cells,
however, it was augmented in OVCAR3 cells after treatment with NGF. The
inhibitors of NGF/NGFRs, such as Ro 08-2750, K252a and LM11A-31,can all block
NGF-stimulated changes of gene expression or migratory behavior on ovarian cancer
cells. The different results among ovarian cancer cells illustrated the
heterogeneity and complexity of ovarian cancer. Collectively, our results
suggested for the first time that NGF is functionally linked to ?-catenin in the
migration of human ovarian cancer cells, which may be a novel therapeutic
perspective to prevent the spread of ovarian carcinomas by studying the
interaction between NGF/NGFRs and canonical WNT/?-catenin signaling.