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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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STAT3 and ERK Signaling Pathways Are Implicated in the Invasion Activity by Oncostatin M through Induction of Matrix Metalloproteinases 2 and 9

Ko HS, Park BJ, Choi SK, Kang HK, Kim A, Kim HS, Park IY, Shin JC

PURPOSE: Our previous studies have shown that oncostatin M (OSM) promotes trophoblast invasion activity through increased enzyme activity of matrix metalloproteinase (MMP)-2 and -9. We further investigated OSM-induced intracellular signaling...
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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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p21Cip/WAF1 activation is an important factor for the ERK pathway dependent anti-proliferation of colorectal cancer cells

Park KS, Jeon SH, Oh JW, Choi KY

  • KMID: 1103323
  • Exp Mol Med.
  • 2004 Dec;36(6):557-562.
p21Cip/WAF1, an important regulator of cell proliferation, is induced by both p53- and extracellular signal regulated kinase (ERK) pathways. The induction of p21Cip/WAF1 occurs by prolonged activation of the ERKs...
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Shank 2 expression coincides with neuronal differentiation in the developing retina

Kim JH, Kim JH, Yang E, Park JH, Yu YS, Kim KW

The retinal activity for vision requires a precise synaptic connectivity. Shank proteins at postsynaptic sites of excitatory synapses play roles in signal transmission into the postsynaptic neuron. However, the correlation...
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Downstream components of RhoA required for signal pathway of superoxide formation during phagocytosis of serum opsonized zymosans in macrophages

Kim JS, Kim JG, Jeon CY, Won HY, Moon MY, Seo JY, Kim JI, Kim J, Lee JY, Choi SY, Park J, Yoon Park , Ha KS, Kim PH, Park JB

  • KMID: 1116203
  • Exp Mol Med.
  • 2005 Dec;37(6):575-587.
Rac1 and Rac2 are essential for the control of oxidative burst catalyzed by NADPH oxidase. It was also documented that Rho is associated with the superoxide burst reaction during phagocytosis...
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Wnt5a stimulates chemotactic migration and chemokine production in human neutrophils

Jung YS, Lee HY, Kim SD, Park JS, Kim JK, Suh PG, Bae YS

  • KMID: 2154246
  • Exp Mol Med.
  • 2013 Jun;45(6):e27.
Wnt5a is a ligand that activates the noncanonical Wnt signaling pathways (beta-catenin-independent pathways). Human neutrophils expressed several Wnt5a receptors, such as Frizzled 2, 5 and 8. Stimulation of human neutrophils...
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Anti-Proliferative and Apoptotic Activities of Mullerian Inhibiting Substance Combined with Calcitriol in Ovarian Cancer Cell Lines

Jung YS, Kim HJ, Seo SK, Choi YS, Nam EJ, Kim S, Kim SW, Han HD, Kim JW, Kim YT

PURPOSE: This study aimed to investigate whether Mullerian inhibiting substance (MIS) in combination with calcitriol modulates proliferation and apoptosis of human ovarian cancer (OCa) cell lines (SKOV3, OVCAR3, and OVCA433)...
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Effects of Antioxidant on Reduction of Hindlimb Muscle Atrophy Induced by Cisplatin in Rats

Kim JI, Choe MA

PURPOSE: The purpose of this study was to examine the effects of Cu/Zn SOD on reduction of hindlimb muscular atrophy induced by cisplatin in rats. METHODS: Forty-two rats were assigned to...
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Ethyl Acetate Fraction from Cudrania Tricuspidata Inhibits IL-1beta-Stimulated Osteoclast Differentiation through Downregulation of MAPKs, c-Fos and NFATc1

Lee EG, Yun HJ, Lee SI, Yoo WH

BACKGROUND/AIMS: The present study was performed to determine the effects of the ethyl acetate extract of Cudrania tricuspidata (EACT) on interleukin (IL)-1beta-stimulated receptor activator of NF-kappaB ligand (RANKL)-mediated osteoclast differentiation....
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Activated protein C differentially regulates both viability and differentiation of osteoblasts mediated by bisphosphonates

Lee YJ, Jeong JK, Seol JW, Xue M, Jackson C, Park SY

  • KMID: 2154228
  • Exp Mol Med.
  • 2013 Feb;45(2):e9.
Activated protein C (APC) is a cytoprotective anticoagulant that can promote cutaneous healing. We examined the effect of APC on viability and differentiation of the osteoblastic line, MG63, in the...
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The Expression of Corticotropin-Releasing Factor in the Central Nucleus of the Amygdala, Induced by Colorectal Distension, is Attenuated by General Anesthesia

Kim SH, Han JE, Hwang S, Oh DH

Corticotrophin-releasing factor (CRF), a key regulator of the hypothalamic-pituitary axis, is expressed in the central nucleus of the amygdala (CeA) and its expression is upregulated in stress-related disorders. We investigated...
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Modulation of cartilage differentiation by melanoma inhibiting activity/cartilage-derived retinoic acid-sensitive protein (MIA/CD-RAP)

Schubert T, Schlegel J, Schmid R, Opolka A, Grassel S, Humphries , Bosserhoff AK

Melanoma inhibiting activity/cartilage-derived retinoic acid-sensitive protein (MIA/CD-RAP) is a small soluble protein secreted from malignant melanoma cells and from chondrocytes. Recently, we revealed that MIA/CD-RAP can modulate bone morphogenetic protein...
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Toll-Like Receptor 4 Signaling is Involved in IgA-Stimulated Mesangial Cell Activation

Lim BJ, Lee D, Hong SW, Jeong HJ

PURPOSE: Deposition of polymeric IgA1 in the kidney mesangium is the hallmark of IgA nephropathy, but the molecular mechanisms of IgA-mediated mesangial responses and inflammatory injuries remain poorly understood. We...
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Effect of DHEA on Recovery of Muscle Atrophy Induced by Parkinson's Disease

Choe MA, An GJ, Koo BS, Jeon S

PURPOSE: The purpose of this study was to determine the effect of dehydroepiandrosterone (DHEA) on recovery of muscle atrophy induced by Parkinson's disease. METHODS: The rat model was established by direct...
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Pathobiological role of advanced glycation endproducts via mitogen-activated protein kinase dependent pathway in the diabetic vasculopathy

Yoon YW, Kang TS, Lee BK, Chang W, Hwang KC, Rhee JH, Min PK, Hong BK, Rim SJ, Kwon HM

Advanced glycation endproducts (AGEs) have been reported to play a role in neointimal formation and increase the rate of in-stent restenosis (ISR) in the diabetic coronary artery disease patients treated...
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Role of gamma-aminobutyric acid B (GABA B) receptors in the regulation of kainic acid-induced cell death in mouse hippocampus

Lee HK, Seo YJ, Choi SS, Kwon MS, Shim EJ, Lee JY, Suh HW

  • KMID: 1116198
  • Exp Mol Med.
  • 2005 Dec;37(6):533-545.
Kainic acid (KA) is well-known as an excitatory, neurotoxic substance. In mice, KA administered intracerebroventricularly (i.c.v.) lead to morphological damage of hippocampus expecially concentrated on the CA3 pyramidal neurons. In...
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Caveolin-1 is involved in reactive oxygen species-induced SHP-2 activation in astrocytes

Yun JH, Park SJ, Jo A, Kang JL, Jou I, Park JS, Choi YH

Recent evidence supports a neuroprotective role of Src homology 2-containing protein tyrosine phosphatase 2 (SHP-2) against ischemic brain injury. However, the molecular mechanisms of SHP-2 activation and those governing how...
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Could HBx Protein Expression Affect Signal Pathway Inhibition by Gefitinib or Selumetinib, a MEK Inhibitor, in Hepatocellular Carcinoma Cell Lines?

Park YK, Kim KM, Lee YJ, Kim KH, Lee SG, Lee D, Shim JH, Lim YS, Lee HC, Chung YH, Lee YS, Suh DJ

Hepatitis B virus X (HBx) protein has been known to play an important role in development of hepatocellular carcinoma (HCC). The aim of this study is to find out whether...
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Phytosphingosine-1-phosphate stimulates chemotactic migration of L2071 mouse fibroblasts via pertussis toxin-sensitive G-proteins

Kim MK, Park KS, Lee H, Kim YD, Yun J, Bae YS

  • KMID: 1094659
  • Exp Mol Med.
  • 2007 Apr;39(2):185-194.
Phytosphingosine-1-phosphate (PhS1P) was found to stimulate an intracellular calcium increase via phospholipase C but not pertussis toxin (PTX)- sensitive G-proteins in L2071 mouse fibroblasts. PhS1P also activated ERK and p38...
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