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2017 ; 14
(4
): 4305-4310
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Andrographolide suppresses proliferation of human colon cancer SW620 cells
through the TLR4/NF-?B/MMP-9 signaling pathway
#MMPMID28943944
Zhang R
; Zhao J
; Xu J
; Jiao DX
; Wang J
; Gong ZQ
; Jia JH
Oncol Lett
2017[Oct]; 14
(4
): 4305-4310
PMID28943944
show ga
Modern pharmacological research has revealed that andrographolide has various
functions, including anti-bacterial, anti-inflammatory and anti-viral effects,
immunoregulation, treating cardiovascular and cerebrovascular diseases, and
prevention and treatment of alcoholic liver injury. The present study
investigated whether andrographolide suppresses the proliferation of human colon
cancer cell through the Toll-like receptor 4 (TLR4)/nuclear factor (NF)-?B/matrix
metalloproteinase-9 (MMP-9) signaling pathway. The MTT assay and lactate
dehydrogenase assay were used to evaluate the anticancer effects of
andrographolide on cell proliferation and cytotoxicity in human colon cancer
SW620 cells. Flow cytometry was used to analyze the anticancer effects of
andrographolide on apoptosis by Annexin V-fluorescein isothiocyanate/propidium
iodide kit. The effects of andrographolide on the activity of caspase-3/9 were
measured using ELISA. Western blot analysis was also used to analyze the protein
expression of TLR4, myeloid differentiation primary response gene 88 (MyD88),
NF-?B-p65 and MMP-9. In the present study, it was found that andrographolide
suppressed the cell proliferation, augmented cytotoxicity, evoked cell apoptosis
and activated caspase-3/9 activities in human colon cancer SW620 cells. The
results revealed that the anti-proliferation effects of andrographolide on the
SW620 cells was associated with the inhibition of TLR4, MyD88, NF-?B-p65 and
MMP-9 signaling activation. The results suggest that andrographolide is a
promising drug for treatment of human colon cancer via suppression of the
TLR4/NF-?B/MMP-9 signaling pathway.