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Search: authors:"Jong-Young Kwak"

4 papers found.
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Melittin Suppresses HIF-1α/VEGF Expression through Inhibition of ERK and mTOR/p70S6K Pathway in Human Cervical Carcinoma Cells

Objective Melittin (MEL), a major component of bee venom, has been associated with various diseases including arthritis, rheumatism and various cancers. In this study, the anti-angiogenic effects of MEL in CaSki cells that were responsive to the epidermal growth factor (EGF) were examined. Methodology/Principal Findings MEL decreased the EGF-induced hypoxia-inducible factor-1α ...

Ascofuranone suppresses PMA-mediated matrix metalloproteinase-9 gene activation through the Ras/Raf/MEK/ERK- and Ap1-dependent mechanisms

The expression of matrix metalloproteinase-9 (MMP-9) has been implicated in the invasion and metastasis of cancer cells. Here, we found that an antitumor antibiotic, ascofuranone, inhibits invasion and MMP-9 induction induced by phorbol myristate acetate (PMA) in human cell lines. Ascofuranone also inhibits the protein expression and transcription of MMP-9 induced by tumor necrosis ...

Modulation of neutrophil apoptosis by plasma and peritoneal fluid from patients with advanced endometriosis

BACKGROUND: The increased production of pro-inflammatory chemoattractant cytokines for neutrophils in endometriosis suggests that changes in the immune system play an important role in the pathophysiology of endometriosis. The effects of plasma and peritoneal fluid from patients with advanced endometriosis on the apoptosis of neutrophils were investigated. METHODS: Apoptotic ...

Effects of peritoneal fluid from endometriosis patients on the release of vascular endothelial growth factor by neutrophils and monocytes

BACKGROUND: An increase in the level of the vascular endothelial growth factor (VEGF) production has been reported in the peritoneal fluid (PF) of endometriosis patients. This suggests that changes in the vascular permeability and angiogenesis play an important role in the pathophysiology of this disease. This study examined the effects of the PF obtained from endometriosis ...