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HIV-1 Tat Protein Promotes Amyloid beta Generation and Tau Phosphorylation in Rat Hippocampal Slices

Lee EO, Jhang KA, An YW, Ju W, Chong YH

HIV-1 Tat protein has been implicated as a causative agent in the pathogenesis of HIV-1-associated neurocognitive disorder (HAND) and Alzheimer's disease (AD)-like pathology in HIV-1 infected patients. Here, we provide...
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HIV-1 Tat Protein-dependent Cytotoxicity is Attenated by 15-deoxy-Delta12,14-Prostaglandin J2 in Rat Hippocampal Slices: Involvement of the ERK1/2 Signaling Pathway

Lee EO, Yang JH, Kim JH, Woo SY, Chong YH

15-deoxy-delta12,14 prostaglandin J2 (15d-PGJ2) may hold promise in treatment of the pathologies associated with human immunodeficiency virus (HIV) infection of the central nervous system. However, its precise role and neuroprotective...
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HIV-1 Infection Causes Intracellular Expression of p53, Which Induces PKR Expression, Followed by Inhibition of HIV-1 Tat Activity

Yoon CH, Woo JY, Bae YS

  • KMID: 2055008
  • J Bacteriol Virol.
  • 2004 Jun;34(2):157-166.
Few papers have reported that the HIV-1 replication was inhibited by p53 in the infected cells. However, the detail mechanism for the p53-medicated HIV-1 suppression has not yet been clearly...
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Extracellular HIV-1 Tat enhances monocyte adhesion by up-regulation of ICAM-1 and VCAM-1 gene expression via ROS-dependent NF-kappaB activation in astrocytes

Song HY, Ryu J, Ju SM, Park LJ, Lee JA, Choi SY, Park J

  • KMID: 1103678
  • Exp Mol Med.
  • 2007 Feb;39(1):27-37.
One of characteristic features of AIDS-related encephalitis and dementia is the infiltration of monocytes into the CNS. HIV-1 Tat was demonstrated to facilitate monocyte entry into the CNS. In this...
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Suppression of HIV-1 Tat-induced monocyte adhesiveness by a cell-permeable superoxide dismutase in astrocytes

Song HY, Ju SM, Lee JA, Kwon HJ, Eum WS, Jang SH, Choi SY, Park J

  • KMID: 1091072
  • Exp Mol Med.
  • 2007 Dec;39(6):778-786.
HIV-1 Tat is considered to be one of key players to facilitate monocyte entry into the CNS, which is characteristic feature of AIDS-related encephalitis and dementia. This study was performed...
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Bone regenerative effects of recombinant human bone morphogenetic protein-2 employed protein transduction domain

Jung SW, Kim NH, Yook JI, Kim CS, Kim HJ, Cho KS

Bone morphogenetic proteins(BMPs) are regarded as members of the transforming growth factor-beta superfamily with characteristic features in their amino acid sequences. A number of studies have demonstrated the biologic activities...
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Transduction of yeast cytosine deaminase mediated by HIV-1 Tat basic domain into tumor cells induces chemosensitivity to 5-fluorocytosine

Lee H, Ryu J, Kim KA, Lee KS, Lee JY, Park JB, Park J, Choi SY

  • KMID: 755664
  • Exp Mol Med.
  • 2004 Feb;36(1):43-51.
Enzyme/prodrug approach is one of the actively developing areas for cancer therapy. In an effort to develop more effective enzyme/prodrug systems, cell-permeable cytosine deaminase was produced by fusing yeast cytosine...
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Labeling Efficacy of Superparamagnetic Iron Oxide Nanoparticles to Human Neural Stem Cells: Comparison of Ferumoxides, Monocrystalline Iron Oxide, Cross-linked Iron Oxide (CLIO)-NH2 and tat-CLIO

Song M, Moon WK, Kim Y, Lim D, Song IC, Yoon BW

OBJECTIVE: We wanted to compare the human neural stem cell (hNSC) labeling efficacy of different superparamagnetic iron oxide nanoparticles (SPIONs), namely, ferumoxides, monocrystalline iron oxide (MION), cross-linked iron oxide (CLIO)-NH2...
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