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2018 ; 19
(3
): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
Twit Text #
English Wikipedia
SK-216, a Novel Inhibitor of Plasminogen Activator Inhibitor-1, Suppresses Lung
Metastasis of Human Osteosarcoma
#MMPMID29510576
Tsuge M
; Osaki M
; Sasaki R
; Hirahata M
; Okada F
Int J Mol Sci
2018[Mar]; 19
(3
): ä PMID29510576
show ga
Lung metastasis constitutes the leading cause of the death in patients with
osteosarcoma. We have previously reported that plasminogen activator inhibitor-1
(PAI-1) regulates the invasion and lung metastasis of osteosarcoma cells in a
mouse model and as well as in clinical samples. In the present study, we examined
the anti-metastatic effect of SK-216, a small compound PAI-1 inhibitor, in human
143B osteosarcoma cells. An in vitro study showed that SK-216 treatment
suppressed invasion activity by inhibiting PAI-1 expression in 143B cells, but
had no influence on their proliferation or migration. 143B cells treated with
SK-216 exhibited reduced matrix metalloproteinase-13 (MMP-13) secretion in a
dose-dependent manner. Moreover, intraperitoneal injection of SK-216 into mouse
models resulted in downregulation of PAI-1 expression levels in the primary
tumors and showed suppression of lung metastases without influencing the
proliferative activity of the tumor cells in the primary lesions. These results
indicate that SK-216, a PAI-1 inhibitor, may serve as a novel drug to prevent
lung metastasis in human osteosarcoma.
|Animals
[MESH]
|Antineoplastic Agents/administration & dosage/pharmacology/*therapeutic use
[MESH]
|Benzoxazoles/administration & dosage/pharmacology/*therapeutic use
[MESH]
|Cell Line, Tumor
[MESH]
|Dicarboxylic Acids/administration & dosage/pharmacology/*therapeutic use
[MESH]