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2017 ; 14
(10
): 984-993
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Kaempferol Inhibits the Invasion and Migration of Renal Cancer Cells through the
Downregulation of AKT and FAK Pathways
#MMPMID28924370
Int J Med Sci
2017[]; 14
(10
): 984-993
PMID28924370
show ga
Kaempferol, which is isolated from several natural plants, is a polyphenol
belonging to the subgroup of flavonoids. Kaempferol exhibits various
pharmacological activities, including anti-inflammatory, antioxidant,
antimicrobial, and anticancer activities. In this study, kaempferol can
significantly inhibit the invasion and migration of 786-O renal cell carcinoma
(RCC) without cytotoxicity. We examined the potential mechanisms underlying its
anti-invasive activities on 786-O RCC cells. Western blot was performed, and the
results showed that kaempferol attenuates the manifestation of
metalloproteinase-2 (MMP-2) protein and activity. The inhibitive effect of
kaempferol on MMP-2 may be attributed to the downregulation of phosphorylation of
Akt and focal adhesion kinase (FAK). By examining the SCID mice model, we found
that kaempferol can safely inhibit the metastasis of the 786-O RCC cells into the
lungs by about 87.4% as compared to vehicle treated control animals. In addition,
the lung tumor masses of mice pretreated with 2-10 mg/kg kaempferol were reduced
about twofold to fourfold. These data suggested that kaempferol can play a
promising role in tumor prevention and cancer metastasis inhibition.
|Animals
[MESH]
|Antineoplastic Agents/*pharmacology/therapeutic use
[MESH]