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Cellular signaling in tissue regeneration

Kim WJ

With recent progress in stem cell-based research, there has been tremendous interest in stem cell-based tissue regeneration. Stem cells can be differentiated into specialized cells/tissues by growth factors and cytokines....
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The physiological meaning of rapid responses to steroid hormones in epithelia

Harvey BJ

No abstract available.
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Functional Role of Serine Residues of Transmembrane Dopamin VII in Signal Transduction of CB2 Cannabinoid Receptor

Rhee MH

  • KMID: 1095120
  • J Vet Sci.
  • 2002 Sep;3(3):185-191.
Using site-directed mutagenesis technique, I have replaced serine 285 and serine 292 with the alanine, and assessed the binding of agonist and signaling such as the inhibition of adenylyl cyclase...
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Increased methylation of the cytosolic 20-kD protein is accompanied by liver regeneration in a hepatectomized rat

Kwon SY, Kim S, Lee K, Kim TJ, Lee SH, Lee KM, Park GH

  • KMID: 755670
  • Exp Mol Med.
  • 2004 Feb;36(1):85-92.
Arginine methylation has been implicated in the signal transduction pathway leading to cell growth. Here we show that a regenerating rat liver following partial hepatectomy exhibited elevated methyltransferase activity as...
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Biomedical significance of endothelial cell specific growth factor, angiopoietin

Koh GY, Kim I, Kwak HJ, Yun MJ, Leem JC

  • KMID: 1093591
  • Exp Mol Med.
  • 2002 Mar;34(1):1-11.
Until recently, vascular endothelial growth factor (VEGF) was the only growth factor proven to be specific and critical for blood vessel formation. Other long-known factors, such as the fibroblast growth...
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Molecular Mechanism of Insulin Resistance in Obesity and Type 2 Diabetes

Choi K, Kim YB

Insulin resistance is a major risk factor for developing type 2 diabetes caused by the inability of insulin-target tissues to respond properly to insulin, and contributes to the morbidity of...
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Human Papilloma Virus Type 16 E7 Genes Protect Astrocytes against Apoptotic and Necrotic Death Induced by Hydrogen Peroxide

Lee WT, Lee JE, Lee SH, Jang HS, Giffard RG, Park KA

Hydrogen peroxide is considered to be a dose- and time-dependent mediator in apoptotic and necrotic death. In this study, we examined the signaling of the E6 and E7 proteins with...
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Transcription of the protein kinase C-delta gene is activated by JNK through c-Jun and ATF2 in response to the anticancer agent doxorubicin

Min BW, Kim CG, Ko J, Lim Y, Lee YH, Shin SY

Expression of protein kinase C-delta (PKC delta) is up-regulated by apoptosis-inducing stimuli. However, very little is known about the signaling pathways that control PKC delta gene transcription. In the present...
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Porcine circovirus type 2 increases interleukin-1beta and interleukin-10 production via the MyD88–NF-kappa B signaling pathway in porcine alveolar macrophages in vitro

Han J, Zhang S, Zhang Y, Chen M, Lv Y

Porcine alveolar macrophages (PAMs) represent the first line of defense in the porcine lung after infection with porcine circovirus type 2 (PCV2) via the respiratory tract. However, PCV2 infection impairs...
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Growth promotion of HepG2 hepatoma cells by antisense-mediated knockdown of glypican-3 is independent of insulin-like growth factor 2 signaling

Sung YK, Hwang SY, Farooq M, Kim JC, Kim MK

  • KMID: 1109313
  • Exp Mol Med.
  • 2003 Aug;35(4):257-262.
Glypican-3 (GPC3) encodes a cell-surface heparan-sulfate proteoglycan and its expression is frequently silenced in ovarian cancer, mesotheliomas, and breast cancer cell lines and ectopic expression of GPC3 inhibited the growth...
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Prologation of c-Jun N-Terminal Kinase is Associated with Cell Death Induced by Tumor Necrosis Factor Alpha in Human Chondrocytes

Yoon HS, Kim HA

The aim of this study was to elucidate the role of JNK signaling pathway involved in tumor necrosis factor-alpha (TNF-alpha)-induced death of chondrocytes. Primary chondrocyte cultures were obtained from human...
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CD98 activation increases surface expression and clusteringof beta 1 integrins in MCF-7 cells through FAK/Src- and cytoskeleton-independent mechanisms

Kim SM, Hahn JH

CD98, a disulfide-linked 125-kDa heterodimeric type II transmembrane glycoprotein, regulates beta 1 integrin- mediated cell adhesion. However, the molecular mechanisms underlying CD98-mediated activation of beta 1 integrin are presently unclear....
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Morphine Postconditioning Attenuates ICAM-1 Expression on Endothelial Cells

Min TJ, Kim JI, Kim JH, Noh KH, Kim TW, Kim WY, Lee YS, Park YC

The purpose of this study is to determine 1) whether morphine postconditiong (MPostC) can attenuate the intercellular adhesion molecules-1 (ICAM-1) expression after reoxygenation injury and 2) the subtype(s) of the...
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Identification of high-affinity VEGFR3-binding peptides through a phage-displayed random peptide library

Shi LF, Wu Y, Li CY

OBJECTIVE: Vascular endothelial growth factor (VEGF) interaction with its receptor, VEGFR-3/Flt-4, regulates lymphangiogenesis. VEGFR-3/Flt-4 expression in cancer cells has been correlated with clinical stage, lymph node metastasis, and lymphatic invasion....
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Hypoxia-inducible factor (HIF-1)alpha: its protein stability and biological functions

Lee JW, Bae SH, Jeong JW, Kim SH, Kim KW

  • KMID: 755659
  • Exp Mol Med.
  • 2004 Feb;36(1):1-12.
Hypoxia-inducible factor (HIF-1) is an oxygen-dependent transcriptional activator, which plays crucial roles in the angiogenesis of tumors and mammalian development. HIF-1 consists of a constitutively expressed HIF-1beta subunit and one...
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Simvastatin inhibits induction of matrix metalloproteinase-9 in rat alveolar macrophages exposed to cigarette smoke extract

Kim SE, Thuy TT, Lee JH, Ro JY, Bae YA, Kong Y, Ahn JY, Lee DS, Oh YM, Lee SD, Lee YS

Matrix metalloproteinase-9 (MMP-9) may play an important role in emphysematous change in chronic obstructive pulmonary disease (COPD), one of the leading causes of mortality and morbidity worldwide. We previously reported...
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