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14-3-3epsilon protein increases matrix metalloproteinase-2 gene expression via p38 MAPK signaling in NIH3T3 fibroblast cells

Lee EK, Lee YS, Lee H, Choi CY, Park SH

One of the 14-3-3 protein isoforms, 14-3-3epsilon, was previously shown to be increased during skin aging. We suggest here a possible role for the 14-3-3epsilon protein in skin aging by...
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Regulation of ATP-citrate lyase gene transcription

Kim KS, Kang JG, Moon YA, Park SW, Kim YS

It has been suggested that glucose metabolites and insulin are the most important factors inducing ATP-citrate lyase (ACL) by a high carbohydrate diet. We have used a primary culture of...
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Regulation of fatty acid synthase at transcriptional and post-transcriptional levels in rat liver

Kim KS, Park SW, Kim YS

The regulation of fatty acid synthase in rat liver was investigated at transcriptional and post-transcriptional levels. When rats were fasted for 3 days and refed on a high-carbohydrate diet, the...
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Hydrogenosomal activity of Trichomonas vaginalis cultivated under different iron conditions

Kim YS, Song HO, Choi IH, Park SJ, Ryu JS

To evaluate whether iron concentration in TYM medium influence on hydrogenosomal enzyme gene expression and hydrogenosomal membrane potential of Trichomonas vaginalis, trophozoites were cultivated in irondepleted, normal and iron-supplemented TYM...
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Pim-1: A serine/threonine kinase with a role in cell survival, proliferation, differentiation and tumorigenesis

Wang Z, Bhattacharya N, Weaver M, Petersen K, Meyer M, Gapter L, Magnuson N

  • KMID: 1119212
  • J Vet Sci.
  • 2001 Dec;2(3):167-179.
Pim-1 belongs to a family of serine/threonine protein kinases that are highly conserved through evolution in multicellular organisms. Originally identified from moloney murine leukemia virus (MuLV)-induced T-cell lymphomas in mice,...
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Hydrogen peroxide mediates doxorubicin-induced transglutaminase 2 expression in PC-14 human lung cancer cell line

Han JA, Park SC

  • KMID: 1029936
  • Exp Mol Med.
  • 1999 Jun;31(2):83-88.
Increased expression of Transglutaminases 2 (TGase 2, TGase C) was observed in PC-14 human lung cancer cells in association with doxorubicin resistance and the reduction of the enzyme expression was correlated with...
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Differential changes in the expression of cyclic nucleotide phosphodiesterase isoforms in rat brains by chronic treatment with electroconvulsive shock

Cho CH, Cho DH, Seo MR, Juhnn YS

  • KMID: 755073
  • Exp Mol Med.
  • 2000 Sep;32(3):110-114.
Electroconvulsive shock (ECS) has been suggested to affect cAMP signaling pathways to exert therapeutic effects. ECS was recently reported to increase the expression of PDE4 isoforms in rat brain,...
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Expression of MT-1 MMP, MMP2, MMP9 and TIMP2 mRNAs in Ductal Carcinoma in Situ and Invasive Ductal Carcinoma of the Breast

Kim HJ, Park CI, Park BW, Lee HD, Jung WH

We investigated the expression of membrane type-1 (MT1)-MMP, MMP2, MMP9 and TIMP2 mRNAs and their roles in ductal carcinoma in situ (DCIS) and T1 and T2 invasive ductal carcinoma of...
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Regulation of expression of matrix metalloproteinase-9 by JNK in Raw 264.7 cells: presence of inhibitory factor(s) suppressing MMP-9 induction in serum and conditioned media

Lee YS, Lan Tran H, Van Ta Q

Matrix metalloproteinase-9 (MMP-9) secreted from macrophages plays an important role in tissue destruction and inflammation through degradation of matrix proteins and proteolytic activation of cytokines/chemokines. Whereas the MEK-ERK and PI3K-Akt...
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Regulation of mammalian pyruvate dehydrogenase complex by phosphorylation: complexity of multiple phosphorylation sites and kinases

Patel MS, Korotchkina LG

  • KMID: 1457529
  • Exp Mol Med.
  • 2001 Dec;33(4):191-197.
This review summarizes the recent developments on the regulation of human pyruvate dehydrogenase complex (PDC) by site-specific phosphorylation by four kinases. Mutagenic analysis of the three phosphorylation sites of human...
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Regulation of matrix metalloproteinase-9 protein expression by 1alpha,25-(OH)2D3 during osteoclast differentiation

Gu JH, Tong XS, Chen GH, Liu XZ, Bian JC, Yuan Y, Liu ZP

To investigate 1alpha,25-(OH)2D3 regulation of matrix metalloproteinase-9 (MMP-9) protein expression during osteoclast formation and differentiation, receptor activator of nuclear factor kappaB ligand (RANKL) and macrophage colony-stimulating factor (M-CSF) were administered...
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Enhanced tyrosine hydroxylase expression in PC12 cells co-cultured with feline mesenchymal stem cells

Jin GZ, Yin XJ, Yu XF, Cho SJ, Lee HS, Lee HJ, Kong IK

Mesenchymal stem cells (MSCs) secrete a variety of neuroregulatory molecules, such as nerve growth factor, brain-derived neurotrophic factor, and glial cell-derived neurotrophic factor, which upregulate tyrosine hydroxylase (TH) gene expression...
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Role of tissue inhibitors of metalloproteinases (TIMPs) in colorectal carcinoma

Joo YE, Seo KS, Kim J, Kim HS, Rew JS, Park CS, Kim SJ

Increased production of matrix metalloproteinases (MMPs) has been associated with increases in invasive and metastatic potential in many types of human carcinoma. Tissue inhibitors of metalloproteinase (TIMP)-1 inhibits most interstitial...
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The Ketogenic Diet Suppresses the Cathepsin E Expression Induced by Kainic Acid in the Rat Brain

Jeong HJ, Kim H, Kim YK, Park SK, Kang DW, Yoon D

PURPOSE: The ketogenic diet has long been used to treat epilepsy, but its mechanism is not yet clearly understood. To explore the potential mechanism, we analyzed the changes in gene...
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Expression and Regulation of Endothelial Nitric Oxide Synthase by Vascular Endothelial Growth Factor in ECV 304 Cells

Park JS, Hong GR, Baek SW, Shin DG, Kim YJ, Shim BS

Nitric oxide (NO) seems to play a pivotal role in the vascular endothelial growth factor (VEGF)-induced endothelial cell proliferation. This study was designed to investigate the role and intracellular signal...
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Expression of hOGG1 protein during differentiation of HL-60 cells

Lee YS, Lee KH, Chung MH

  • KMID: 1097257
  • Exp Mol Med.
  • 2003 Apr;35(2):98-105.
Human 8-oxo-G-DNA glycosylase 1 (hOGG1) is a DNA glycosylase to cleave 8-oxo-7,8-dihydroguanine (8-oxo-G), a mutagenic DNA adduct formed by oxidant stresses. Here, we examined hOGG1 protein expression and repair activity...
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Effect of Nitric Oxide on the Expression of Matrix Metalloproteinase and Its Association with Migration of Cultured Trabecular Meshwork Cells

Kim JW

PURPOSE: To determine the effect of exogenous nitric oxide (NO) on the migration of trabecular meshwork (TM) cells and its association with expression of matrix metalloproteinases (MMPs). METHODS: Primary human TM...
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Triptolide inhibits ovarian cancer cell invasion by repression of matrix metalloproteinase 7 and 19 and upregulation of E-cadherin

Zhao H, Yang Z, Wang X, Zhang X, Wang M, Wang Y, Mei Q, Wang Z

  • KMID: 1401755
  • Exp Mol Med.
  • 2012 Nov;44(11):633-641.
Triptolide, a compound extracted from the traditional Chinese medicine preparation of Tripterygium wilfordii Hook F., has been reported to have anti-inflammatory and anti-cancer activities. However, its effect on ovarian cancer...
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Impacts of Cytosolic Phospholipase A2, 15-Prostaglandin Dehydrogenase, and Cyclooxygenase-2 Expressions on Tumor Progression in Colorectal Cancer

Lim SC, Cho H, Lee TB, Choi CH, Min YD, Kim SS, Kim KJ

PURPOSE: In addition to cyclooxygenase-2 (COX-2) which is related to prostaglandin E2 synthesis, other enzymes such as cytosolic phospholipase A2 (cPLA2), microsomal prostaglandin E2 synthase-1 (mPGES-1), and 15-prostaglandin dehydrogenase (15-PGDH)...
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Matrix metalloproteinases in human gliomas: activation of matrix metalloproteinase-2 (MMP-2) may be correlated with membrane-type-1 matrix metalloproteinase (MT1-MMP) expression

Hur JH, Park MJ, Park IC, Yi DH, Rhee CH, Hong SI, Lee SH

To evaluate possible roles of matrix metalloproteinase (MMP)-1, -2, tissue inhibitor of metalloproteinase (TIMP)-1, -2 and membrane-type-1 matrix metalloproteinase (MT1-MMP) in invasion of human gliomas, expressions of these proteins were...
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