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2017 ; 7
(1
): 11501
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English Wikipedia
Semaphorin 3?C drives epithelial-to-mesenchymal transition, invasiveness, and
stem-like characteristics in prostate cells
#MMPMID28904399
Tam KJ
; Hui DHF
; Lee WW
; Dong M
; Tombe T
; Jiao IZF
; Khosravi S
; Takeuchi A
; Peacock JW
; Ivanova L
; Moskalev I
; Gleave ME
; Buttyan R
; Cox ME
; Ong CJ
Sci Rep
2017[Sep]; 7
(1
): 11501
PMID28904399
show ga
Prostate cancer (PCa) is among the most commonly-occurring cancers worldwide and
a leader in cancer-related deaths. Local non-invasive PCa is highly treatable but
limited treatment options exist for those with locally-advanced and metastatic
forms of the disease underscoring the need to identify mechanisms mediating PCa
progression. The semaphorins are a large grouping of membrane-associated or
secreted signalling proteins whose normal roles reside in embryogenesis and
neuronal development. In this context, semaphorins help establish chemotactic
gradients and direct cell movement. Various semaphorin family members have been
found to be up- and down-regulated in a number of cancers. One family member,
Semaphorin 3?C (SEMA3C), has been implicated in prostate, breast, ovarian,
gastric, lung, and pancreatic cancer as well as glioblastoma. Given SEMA3C's
roles in development and its augmented expression in PCa, we hypothesized that
SEMA3C promotes epithelial-to-mesenchymal transition (EMT) and stem-like
phenotypes in prostate cells. In the present study we show that ectopic
expression of SEMA3C in RWPE-1 promotes the upregulation of EMT and stem markers,
heightened sphere-formation, and cell plasticity. In addition, we show that
SEMA3C promotes migration and invasion in vitro and cell dissemination in vivo.