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2018 ; 15
(5
): 7817-7827
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Tristetraprolin: A novel target of diallyl disulfide that inhibits the
progression of breast cancer
#MMPMID29725473
Xiong T
; Liu XW
; Huang XL
; Xu XF
; Xie WQ
; Zhang SJ
; Tu J
Oncol Lett
2018[May]; 15
(5
): 7817-7827
PMID29725473
show ga
Diallyl disulfide (DADS), a volatile component of garlic oil, has various
biological properties, including antioxidant, antiangiogenic and anticancer
effects. The present study aimed to explore novel targets of DADS that may slow
or stop the progression of breast cancer. First, xenograft tumor models were
created by subcutaneously injecting MCF-7 and MDA-MB-231 breast cancer cells into
nude mice. Subsequently, western blot analysis was performed to investigate the
expression of tristetraprolin (TTP), urokinase-type plasminogen activator (uPA)
and matrix metalloproteinase-9 (MMP-9) in the xenograft tumors, and cell
cultures. Tablet cloning, Transwell and wound healing assays revealed that DADS
treatment significantly inhibited the proliferation, invasion and migration of
breast cancer cells. In addition, DADS treatment led to significant
downregulation of uPA and MMP-9 protein expression, but significantly upregulated
TTP expression in vivo and in vitro. Knocking down TTP expression using small
interfering RNA reversed the aforementioned effects of DADS, which suggests TTP
is a key target of DADS in inhibiting the progression of breast cancer.