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Pitt-Hopkins Syndrome: intellectual disability due to loss of TCF4-regulated gene transcription

Sweatt JD

  • KMID: 2154240
  • Exp Mol Med.
  • 2013 May;45(5):e21.
TCF4 (transcription factor 4; E2-2, ITF2) is a transcription factor that when haplo-insufficient causes Pitt-Hopkins Syndrome (PTHS), an autism-spectrum disorder that is associated with pervasive developmental delay and severe intellectual...
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Insulin-dependent suppression of cholesterol 7alpha-hydroxlase is a possible link between glucose and cholesterol metabolisms

Park WH, Pak YK

Cholesterol 7alpha-hydroxylase (CYP7A1) regulates the balance between cholesterol supply and metabolism by catalyzing the rate-limiting step of bile acid biosynthesis. The transcriptional activity of CYP7A1 is tightly controlled by various...
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Overexpression of SOX9 in mouse embryonic stem cells directs the immediate chondrogenic commitment

Kim JH, Do HJ, Yang HM, Oh JH, Choi SJ, Kim DK, Cha KY, Chung HM

  • KMID: 1093460
  • Exp Mol Med.
  • 2005 Aug;37(4):261-268.
Mouse embryonic stem (mES) cells are capable of undergoing chondrogenesis in vitro. To enhance this process, the human SOX9 (hSOX9) cDNA was delivered into mES cells and the clones overexpressing...
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Regulatory Role of Hypoxia Inducible Factor in the Biological Behavior of Nucleus Pulposus Cells

Li H, Liang CZ, Chen QX

Intervertebral disc (IVD) degeneration is implicated as a major cause of low back pain. The alternated phenotypes, reduced cell survival, decreased metabolic activity, loss of matrix production and dystrophic mineralization...
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Early growth response protein 1 acts as an activator of SOX18 promoter

Petrovic I, Kovacevic-Grujicic N, Stevanovic M

Sex-determining region Y box 18 (Sox18/SOX18) gene is an important regulator of vascular development playing a role in endothelial cell specification or differentiation, angiogenesis and atherogenesis. The aim of this...
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p53 overexpression represses androgen-mediated induction of NKX3.1 in a prostate cancer cell line

Jiang A, Yu C, Zhang P, Chen W, Liu W, Hu X, Zhang J

  • KMID: 1115940
  • Exp Mol Med.
  • 2006 Dec;38(6):625-633.
Prostate cancer is a disease involving complicated multiple-gene alterations. Both NKX3.1 and p53 are related to prostate cancer and play crucial roles in prostate cancer progression. However, little is known...
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Inhibition of BETA2/NeuroD by Id2

Ghil SH, Jeon YJ, Suh-Kim H

  • KMID: 755209
  • Exp Mol Med.
  • 2002 Nov;34(5):367-373.
Id (Inhibitor of Differentiation) proteins belong to a family of transcriptional modulators that are characterized by a helix loop helix (HLH) region but lack the basic amino acid domain. Id...
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Rolipram, a Phosphodiesterase 4 Inhibitor, Stimulates Inducible cAMP Early Repressor Expression in Osteoblasts

Cho ES, Yu JH, Kim MS, Yim M

Phosphodiesterase (PDE) 4 inhibitors have been shown to induce the cAMP-mediated signaling pathway by inhibiting cAMP hydrolysis. This study investigated the effect of a PDE4 inhibitor on the expression of...
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Long Non-Coding RNA TUG1 Promotes Proliferation and Inhibits Apoptosis of Osteosarcoma Cells by Sponging miR-132-3p and Upregulating SOX4 Expression

Li G, Liu K, Du X

PURPOSE: Long non-coding RNA taurine upregulated gene 1 (TUG1) is reported to be a vital regulator of the progression of various cancers. This study aimed to explore the exact roles...
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Acetyl-CoA carboxylase beta expression mediated by MyoD and muscle regulatory factor 4 is differentially affected by retinoic acid receptor and retinoid X receptor

Kim JY, Lee JJ, Kim KS

  • KMID: 1088654
  • Exp Mol Med.
  • 2003 Feb;35(1):23-29.
Mammals have two major isoforms of acetyl-CoA carboxyase (ACC). The 275 kDa beta-form (ACC beta) is predominantly in heart and skeletal muscle while the 265 kDa alpha-form (ACC alpha) is...
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Pax5 expression in Non-Hodgkin's Lymphomas and Acute Leukemias

Zhang X, Lin Z, Kim I

The Pax5 gene encodes the B-cell-specific activator protein which is a key regulator in development and differentiation of B-cell. We studied the expression of Pax5 in hematologic malignancies to evaluate...
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Implication of Egr-1 in trifluoperazine-induced growth inhibition in human U87MG glioma cells

Shin SY, Kim CG, Hong DD, Kim JH, Lee YH

  • KMID: 1094083
  • Exp Mol Med.
  • 2004 Aug;36(4):380-386.
The early growth response gene-1 (Egr-1) is a tumor suppressor which plays an important role in cell growth, differentiation and apoptosis. Egr-1 has been shown to be down-regulated in many...
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Adiponectin and thiazolidinedione targets CRTC2 to regulate hepatic gluconeogenesis

Yoon YS, Ryu D, Lee MW, Hong S, Koo SH

During fasting periods, hepatic glucose production is enhanced by glucagon to provide fuels for other organs. This process is mediated via cAMP-dependent induction of the CREB regulated transcriptional coactivator (CRTC)...
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Enhanced proliferation and differentiation of Oct4- and Sox2-overexpressing human adipose tissue mesenchymal stem cells

Han SM, Han SH, Coh YR, Jang G, Chan Ra J, Kang SK, Lee HW, Youn HY

Mesenchymal stem cells (MSCs) are attractive candidates for clinical repair or regeneration of damaged tissues. Oct4 and Sox2, which are essential transcription factors for pluripotency and self-renewal, are naturally expressed...
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Multi-transmembrane protein K15 of Kaposi's sarcoma-associated herpesvirus targets Lyn kinase in the membrane raft and induces NFAT/AP1 activities

Cho NH, Choi YK, Choi JK

Viral proteins of gamma-2 herpesviruses, such as LMP2A of Epstein Barr virus (EBV) and Tip of herpesvirus saimiri (HVS) dysregulate lymphocyte signaling by interacting with Src family kinases. K15 open...
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Reactive oxygen species regulate context-dependent inhibition of NFAT5 target genes

Kim NH, Hong BK, Choi SY, Moo Kwon H, Cho CS, Yi EC, Kim WU

  • KMID: 2154251
  • Exp Mol Med.
  • 2013 Jul;45(7):e32.
The activation of nuclear factor of activated T cells 5 (NFAT5), a well-known osmoprotective factor, can be induced by isotonic stimuli, such as activated Toll-like receptors (TLRs). It is unclear,...
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Tanshinone IIA inhibits osteoclast differentiation through down-regulation of c-Fos and NFATc1

Kwak HB, Yang D, Ha H, Lee JH, Kim HN, Woo ER, Lee S, Kim HH, Lee ZH

  • KMID: 1094151
  • Exp Mol Med.
  • 2006 Jun;38(3):256-264.
Bone is a dynamic tissue that is regulated by the activity of bone-resorbing osteoclasts and bone-forming osteoblasts. Excessive osteoclast formation causes diseases such as osteoporosis and rheumatoid arthritis. Natural substances...
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Toll-like receptor 9-mediated inhibition of apoptosis occurs through suppression of FoxO3a activity and induction of FLIP expression

Lim EJ, Park DW, Lee JG, Lee CH, Bae YS, Hwang YC, Jeong JW, Chin BR, Baek SH

Synthetic oligodeoxynucleotides (ODN) with a CpG-motif are recognized by Toll-like receptor 9 (TLR9) and pleiotropic immune responses are elicited. Stimulation of macrophages with TLR9 agonist prevented apoptosis induced by serum...
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Kruppel-like factor 4 mediates lysophosphatidic acid-stimulated migration and proliferation of PC3M prostate cancer cells

Shin SH, Kwon YW, Heo SC, Jeong GO, Kim BR, Seo EJ, Kim JH

Prostate cancer is the most frequently diagnosed malignancy and the second leading cause of cancer mortality among men in the United States. Accumulating evidence suggests that lysophosphatidic acid (LPA) serves...
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Association of DNA-dependent protein kinase with hypoxia induciblefactor-1 and its implication inresistance to anticancer drugs in hypoxic tum or cells

Um JH, Kang CD, Bae JH, Shin GG, Kim DW, Kim DW, Chung BS, Kim SH

  • KMID: 1097105
  • Exp Mol Med.
  • 2004 Jun;36(3):233-242.
Tumor hypoxia contributes to the progression of a malignant phenotype and resistance to ionizing radiation and anticancer drug therapy. Many of these effects in hypoxic tumor cells are mediated by...
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