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2015 ; 106
(1
): 94-101
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Phloroglucinol suppresses metastatic ability of breast cancer cells by inhibition
of epithelial-mesenchymal cell transition
#MMPMID25456733
Kim RK
; Suh Y
; Yoo KC
; Cui YH
; Hwang E
; Kim HJ
; Kang JS
; Kim MJ
; Lee YY
; Lee SJ
Cancer Sci
2015[Jan]; 106
(1
): 94-101
PMID25456733
show ga
Metastasis is a challenging clinical problem and the primary cause of death in
breast cancer patients. However, there is no therapeutic agent against metastasis
of breast cancer cells. Here we report that phloroglucinol, a natural
phlorotannin component of brown algae suppresses metastatic ability of breast
cancer cells. Treatment with phloroglucinol effectively inhibited mesenchymal
phenotypes of basal type breast cancer cells through downregulation of SLUG
without causing a cytotoxic effect. Importantly, phloroglucinol decreased SLUG
through inhibition of PI3K/AKT and RAS/RAF-1/ERK signaling. In agreement with in
vitro data, phloroglucinol was also effective against in vivo metastasis of
breast cancer cells, drastically suppressing their metastatic ability to lungs,
and extending the survival time of mice. Collectively, our findings demonstrate a
novel anticancer activity of phloroglucinol against metastasis of breast cancer
cells, implicating its clinical relevance.
|Animals
[MESH]
|Antineoplastic Agents/*pharmacology/therapeutic use
[MESH]