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Mitogen-activated Protein Kinases in Inflammation

Manzoor Z, Koh YS

Mitogen-activated protein kinases (MAPKs) play critical regulatory roles in the production of the pro-inflammatory cytokines and downstream signaling events which lead to inflammation. Inflammation is a primarily localized and protective...
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A Role of Mitogen Activated Protein Kinases and Inflammatory Responses in Gender Differences in Kidney Ischemia Injury

Park KM, Han HJ

  • KMID: 2285245
  • Korean J Physiol Pharmacol.
  • 2002 Jun;6(3):155-160.
It is not known whether gender differences play a role in susceptibility to ischemic acute renal failure. Thus, we examined if there were any differences in susceptibility between male and...
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Various Wavelengths of Light-Emitting Diode Light Regulate the Proliferation of Human Dermal Papilla Cells and Hair Follicles via Wnt/β-Catenin and the Extracellular Signal-Regulated Kinase Pathways

Joo HJ, Jeong KH, Kim JE, Kang H

BACKGROUND: The human dermal papilla cells (hDPCs) play an important role in regulation of hair cycling and growth. OBJECTIVE: The aim of this study was to investigate the effect of different...
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Curcumin Stimulates Proliferation of Spinal Cord Neural Progenitor Cells via a Mitogen-Activated Protein Kinase Signaling Pathway

Son S, Kim KT, Cho DC, Kim HJ, Sung JK, Bae JS

OBJECTIVE: The aims of our study are to evaluate the effect of curcumin on spinal cord neural progenitor cell (SC-NPC) proliferation and to clarify the mechanisms of mitogen-activated protein (MAP)...
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Sustained Intracellular Acidosis Triggers the Na⁺/H⁺ Exchager-1 Activation in Glutamate Excitotoxicity

Lee BK, Jung YS

The Na⁺/H⁺ exchanger-1 (NHE-1) is a ubiquitously expressed pH-regulatory membrane protein that functions in the brain, heart, and other organs. It is increased by intracellular acidosis through the interaction of...
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Impaired Expression of MAPK Is Associated with the Downregulation of TNF-alpha, IL-6, and IL-10 in Mycobacterium abscessus Lung Disease

Sim YS, Kim SY, Kim EJ, Shin SJ, Koh WJ

  • KMID: 2319798
  • Tuberc Respir Dis.
  • 2012 Mar;72(3):275-283.
BACKGROUND: Healthy individuals who develop nontuberculous mycobacteria (NTM) lung disease are likely to have specific susceptibility factors which can lead to a NTM infection. The aim of the present study...
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Phytoestrogen-Induced Phosphorylation of MAP Kinase in Osteoblasts is Mediated by Membrane Estrogen Receptor

Park YH, Park HK, Lee HJ, Park SM, Choi SW, Lee WJ

  • KMID: 2285247
  • Korean J Physiol Pharmacol.
  • 2002 Jun;6(3):165-170.
We have previously demonstrated that phytoestrogens isolated from safflower seeds significantly attenuated bone loss in ovariectomized rats, and directly stimulated proliferation and differentiation of cultured osteoblastic cells. In an attempt...
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Immunohistochemical Study of the Expression of pERK1/2 Protein in the Forebrains of Adult Rodents Following Hypoxia-ischemia injury

Han YJ, Ahn HC, Park JH, Yoo SJ

  • KMID: 2332438
  • J Korean Soc Emerg Med.
  • 2008 Jun;19(3):313-321.
PURPOSE: The purpose of this study was to evaluate spatiotemporal evaluation of pERK1/2 protein expression in the forebrain following hypoxic-ischemic (HI) injury in adult Sprague-Dawley rats. METHODS: HI injury was induced...
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Effect of Caffeic Acid Phenethyl Ester on Lipopolysaccharide-induced Murine Macrophage Activation

Lee SH, Li M, Lee DW, Lim DY, Jeong CW, Kwak SH

BACKGROUND: Caffeic acid phenethyl ester (CAPE) is an active component of propolis and is known to have anti-inflammatory properties. This study was performed to evaluate the effects of CAPE on...
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The effect of estrogen on extracellular signal-regulated kinases activation in uterine artery smooth muscle cells during pregnancy

Lee YW, Kim HY, Park SM, Choi SR, Chung JY, Moon CS

OBJECTIVE: To explore the endothelium-independent mechanisms of estrogen induced uterine vasodilatation, this study was performed to determine whether uterine artery smooth muscle (UASM) cells are direct targets of estrogen, and...
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Effect of manassantin B, a lignan isolated from Saururus chinensis, on lipopolysaccharide-induced interleukin-1beta in RAW 264.7 cells

Park HC, Bae HB, Jeong CW, Lee SH, Jeung HJ, Kwak SH

BACKGROUND: Elevated systemic levels of pro-inflammatory cytokines cause hypotension during septic shock and induce capillary leakage in acute lung injury. Manassantin B has anti-inflammatory and anti-plasmoidal properties. This study examined...
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Dexamethasone Inhibits Interleukin-1beta-Induced Matrix Metalloproteinase-9 Expression in Cochlear Cells

Nam SI, Kwon TK

OBJECTIVES: To investigate the effect of interleukin (IL)-1beta on matrix metalloproteinase (MMP)-9 expression in cochlea and regulation of IL-1beta-mediated MMP-9 expression by dexamethasone and the molecular and signaling mechanisms involved. METHODS:...
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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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Suppression of CD81 promotes bladder cancer cell invasion through increased matrix metalloproteinase expression via extracellular signal-regulated kinase phosphorylation

Park HS, Lee S, Lee J, Shin HB, Yoo SM, Lee MS, Park J

PURPOSE: CD81 is a prognostic biomarker for high-grade bladder cancer (BC). In this study, we aimed to determine the functional mechanisms underlying the role of CD81 in BC progression. MATERIALS AND...
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Galangin Activates the ERK/AKT-Driven Nrf2 Signaling Pathway to Increase the Level of Reduced Glutathione in Human Keratinocytes

Hewage SR, Piao MJ, Kang KA, Ryu YS, Fernando P, Oh MC, Park JE, Shilnikova K, Moon YJ, Shin DO, Hyun JW

Previously, we demonstrated that galangin (3,5,7-trihydroxyflavone) protects human keratinocytes against ultraviolet B (UVB)-induced oxidative damage. In this study, we investigated the effect of galangin on induction of antioxidant enzymes involved...
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Lobaric Acid Inhibits VCAM-1 Expression in TNF-alpha-Stimulated Vascular Smooth Muscle Cells via Modulation of NF-kappaB and MAPK Signaling Pathways

Kwon IS, Yim JH, Lee HK, Pyo S

Lichens have been known to possess multiple biological activities, including anti-proliferative and anti-inflammatory activities. Vascular cell adhesion molecule-1 (VCAM-1) may play a role in the development of atherosclerosis. Hence, VCAM-1...
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The Effects of Extracellular pH on Proliferation and Differentiation of human Bone Marrow Stem Cells

Leem YH, Nam TS, Kim JH, Lee KS, Lee DH, Yun J, Chang JS

OBJECTIVES: The purpose of this study is to identify whether the change of pH affects the proliferation and the differentiation of human bone marrow stem cells (hBMSCs) and what mechanism...
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Kappa-opioid receptor activation during reperfusion limits myocardial infarction via ERK1/2 activation in isolated rat hearts

Kim JH, Jang YH, Chun KJ, Kim J, Park YH, Kim JS, Kim JM, Lee MY

BACKGROUND: We investigated whether p42/p44 extracellular signal-regulated kinases (ERK1/2) and/or phosphatidylinositol-3-OH kinase (PI3K)-Akt play a crucial role in cardioprotection by kappa-opioid receptor (KOP) activation. METHODS: Langendorff perfused rat hearts were subjected...
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Phospholipase D inhibitor enhances radiosensitivity of breast cancer cells

Son JC, Kang DW, Yang KM, Choi KY, Son TG, Min DS

  • KMID: 2154257
  • Exp Mol Med.
  • 2013 Aug;45(8):e38.
Radiation and drug resistance remain the major challenges and causes of mortality in the treatment of locally advanced, recurrent and metastatic breast cancer. Dysregulation of phospholipase D (PLD) has been...
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Neutrophil Elastase Causes MUC5AC Mucin Synthesis Via EGF Receptor, ERK and NF-kB Pathways in A549 Cells

Song JS, Cho KS, Yoon HK, Moon HS, Park SH

BACKGROUND: Neutrophil elastase (NE) was found to increase the respiratory mucin gene, MUC5AC, although the molecular mechanisms of this process remain unknown. We attempted to determine the signal transduction pathway...
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