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15-Deoxy-Δ(12,14)-prostaglandin J₂ Upregulates the Expression of 15-Hydroxyprostaglandin Dehydrogenase by Inducing AP-1 Activation and Heme Oxygenase-1 Expression in Human Colon Cancer Cells

Park JM, Na HK

BACKGROUND: Abnormal upregulation of prostaglandin Eâ‚‚ (PGEâ‚‚) is considered to be a key oncogenic event in the development and progression of inflammation-associated human colon cancer. It has been reported that...
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The Effect of Adiponectin on the Regulation of Filaggrin Expression in Normal Human Epidermal Keratinocytes

Choi SY, Kim MJ, Ahn GR, Park KY, Lee MK, Seo SJ

BACKGROUND: Adiponectin, an adipokine secreted from adipocytes, affects energy metabolism and also shows anti-diabetic and anti-inflammatory properties. Recent studies have reported that adiponectin plays a role in regulating skin inflammation. OBJECTIVE:...
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Troglitazone Inhibits Matrix Metalloproteinase-9 Expression and Invasion of Breast Cancer Cell through a Peroxisome Proliferator-Activated Receptor γ-Dependent Mechanism

Hong OY, Youn HJ, Jang HY, Jung SH, Noh EM, Chae HS, Jeong YJ, Kim W, Kim CH, Kim JS

PURPOSE: Peroxisome proliferator-activated receptor γ (PPARγ) is involved in the pathology of numerous diseases including atherosclerosis, diabetes, obesity, and cancer. Matrix metalloproteinases (MMPs) play a significant role in tissue remodeling...
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Berberine Suppresses Fibronectin Expression through Inhibition of c-Jun Phosphorylation in Breast Cancer Cells

Jeong Y, You D, Kang HG, Yu J, Kim SW, Nam SJ, Lee JE, Kim S

PURPOSE: The exact mechanism regulating fibronectin (FN) expression in breast cancer cells has not been fully elucidated. In this study, we investigated the pharmacological mechanism of berberine (BBR) with respect...
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Crotonis Fructus Extract Inhibits 12-O-Tetradecanoylphorbol-13-Acetate-Induced Expression of Matrix Metalloproteinase-9 via the Activator Protein-1 Pathway in MCF-7 Cells

Song HK, Lee GS, Park SH, Noh EM, Kim JM, Ryu DG, Jung SH, Youn HJ, Lee YR, Kwon KB

PURPOSE: Metastatic cancers spread from the primary site of origin to other parts of the body. Matrix metalloproteinase-9 (MMP-9) is essential in metastatic cancers owing to its major role in...
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Inhibition of Lipopolysaccharide-stimulated Inflammatory Cytokine Production by LY303511 in Human Macrophagic THP-1 Cells

Kim SH, Paek YW, Kang IC

We have previously shown that the specific phosphatidylinositol 3-kinase inhibitor LY294002 (LY29), and its inactive analog LY303511 (LY30), inhibit a monocyte chemoattractant protein-1 (MCP-1) expression in human umbilical vein endothelial...
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Chemical Constituents Identified from Fruit Body of Cordyceps bassiana and Their Anti-Inflammatory Activity

Suh W, Nam G, Yang WS, Sung GH, Shim SH, Cho JY

Cordyceps bassiana is one of Cordyceps species with anti-oxidative, anti-cancer, anti-inflammatory, anti-diabetic, anti-obesity, anti-angiogenic, and anti-nociceptive activities. This mushroom has recently demonstrated to have an ability to reduce 2,4-dinitrofluorobenzene-induced atopic...
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Activation of NF-κB and AP-1 Mediates Hyperproliferation by Inducing β-Catenin and c-Myc in Helicobacter pylori-Infected Gastric Epithelial Cells

Byun E, Park B, Lim JW, Kim H

PURPOSE: In the gastric mucosa of Helicobacter pylori (H. pylori)-infected patients with gastritis or adenocarcinoma, proliferation of gastric epithelial cells is increased. Hyperproliferation is related to induction of oncogenes, such...
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Engagement of CD99 Reduces AP-1 Activity by Inducing BATF in the Human Multiple Myeloma Cell Line RPMI8226

Gil M, Pak HK, Park SJ, Lee AN, Park YS, Lee H, Lee H, Kim KE, Lee KJ, Yoon DH, Chung YS, Park CS

CD99 signaling is crucial to a diverse range of biological functions including survival and proliferation. CD99 engagement is reported to augment activator protein-1 (AP-1) activity through mitogen-activated protein (MAP) kinase...
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The Heterochromatin-1 Phosphorylation Contributes to TPA-Induced AP-1 Expression

Choi WJ

  • KMID: 2170624
  • Biomol Ther.
  • 2014 Jul;22(4):308-313.
Activator protein-1 (AP-1) is an inducible transcription factor that contributes to the generation of chronic inflammation in response to oxidative and electrophilic stress. Previous studies have demonstrated that the PI3K/Akt1...
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Luteolin and luteolin-7-O-glucoside inhibit lipopolysaccharide-induced inflammatory responses through modulation of NF-kappaB/AP-1/PI3K-Akt signaling cascades in RAW 264.7 cells

Park CM, Song YS

  • KMID: 2313690
  • Nutr Res Pract.
  • 2013 Dec;7(6):423-429.
Luteolin is a flavonoid found in abundance in celery, green pepper, and dandelions. Previous studies have shown that luteolin is an anti-inflammatory and anti-oxidative agent. In this study, the anti-inflammatory...
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Kalopanaxsaponin A Exerts Anti-Inflammatory Effects in Lipopolysaccharide-Stimulated Microglia via Inhibition of JNK and NF-kappaB/AP-1 Pathways

Jeong YH, Hyun JW, Kim Van Le T, Kim DH, Kim HS

  • KMID: 2048302
  • Biomol Ther.
  • 2013 Sep;21(5):332-337.
Microglial activation plays an important role in the development and progression of various neurological disorders such as cerebral ischemia, multiple sclerosis, and Alzheimer's disease. Thus, controlling microglial activation can serve...
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2-(4-Hydroxyphenyl)-5-(3-Hydroxypropenyl)-7-Methoxybenzofuran, a Novel Ailanthoidol Derivative, Exerts Anti-Inflammatory Effect through Downregulation of Mitogen-Activated Protein Kinase in Lipopolysaccharide-Treated RAW 264.7 Cells

Kim HJ, Jun JG, Kim JK

We reported that ailanthoidol, a neolignan from Zanthoxylum ailanthoides and Salvia miltiorrhiza Bunge, inhibited inflammatory reactions by macrophages and protected mice from endotoxin shock. We examined the anti-inflammatory activity of...
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Galectin-3 increases the motility of mouse melanoma cells by regulating matrix metalloproteinase-1 expression

Wang YG, Kim SJ, Baek JH, Lee HW, Jeong SY, Chun KH

  • KMID: 1383801
  • Exp Mol Med.
  • 2012 Jun;44(6):387-393.
Although mounting evidence indicates the involvement of galectin-3 in cancer progression and metastasis, the underlying molecular mechanisms remain largely unknown. In this study, we investigated the effect and possible mechanism...
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Down-regulation of survivin suppresses uro-plasminogen activator through transcription factor JunB

Lee KH, Choi EY, Koh SA, Kim MK, Kim KO, Lee SH, Jang BI, Kim SW, Kim SW, Song SK, Choi JH, Kim JR

Survivin, a member of the inhibitors of apoptosis protein family, is expressed during development and in various human cancers. However, the clinical relevance of survivin in cancer is still a...
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Inhibitory effect of (-)-epigallocatechin gallate on titanium particle-induced TNF-alpha release and in vivo osteolysis

Jin S, Park JY, Hong JM, Kim TH, Shin HI, Park EK, Kim SY

Tumor necrosis factor-alpha (TNF-alpha) and inflammatory cytokines released from activated macrophages in response to particulate debris greatly impact periprosthetic bone loss and consequent implant failure. In the present study, we...
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Cholesterol, a Major Component of Caveolae, Down-regulates Matrix Metalloproteinase-1 Expression through ERK/JNK Pathway in Cultured Human Dermal Fibroblasts

Kim S, Han J, Lee DH, Cho KH, Kim KH, Chung JH

BACKGROUND: Cholesterol is a major component of specialized membrane microdomains known as lipid rafts or caveolae, which modulate the fluidity of biological membranes. Membrane cholesterol therefore plays an important role...
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IL-10 Inihibits VEGF Production in the Synovial Fibroblasts of RA Patients via Down-regulation of the ERK and AP-1 Pathways

Lee SY, Cho ML, Park MK, Oh HJ, Park SH, Kim HY

  • KMID: 2334866
  • J Korean Rheum Assoc.
  • 2009 Sep;16(3):213-222.
OBJECTIVE: Interleukin (IL)-10 has been demonstrated to have anti-inflammatory and anti-tumour activity. Because aberrant angiogenesis is a significant pathogenic component of tumor growth and chronic inflammation, we investigated the effect...
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Aldosterone-induced TGF-beta1 Expression is Regulated by Mitogen-Activated Protein Kinases and Activator Protein-1 in Mesangial Cells

Han JS, Cho BS, Yang CW, Kim YS

Aldosterone has been shown to stimulate renal TGF-beta1 expression. However, the mechanisms for aldosterone-induced TGF-beta1 expression have not been clearly determined in mesangial cells. We examined the role of extracellular-signal...
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Histone deacetylase inhibitor KBH-A42 inhibits cytokine production in RAW 264.7 macrophage cells and in vivo endotoxemia model

Choi Y, Park SK, Kim HM, Kang JS, Yoon YD, Han SB, Han JW, Yang JS, Han G

In light of the anti-inflammatory properties of histone deacetylase (HDAC) inhibitors, such as suberoylanilide hydroxamic acid (SAHA) and trichostatin A (TSA), we examined a new HDAC inhibitor KBH-A42 for its...
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