Selected article for: "cell cycle and virus type"
Author: Maseko, Sibusiso B.; Van Molle, Inge; Blibek, Karim; Gorgulla, Christoph; Olivet, Julien; Blavier, Jeremy; Vandermeulen, Charlotte; Skupiewski, Stéphanie; Saha, Deeya; Ntombela, Thandokuhle; Lim, Julianne; Lembo, Frederique; Beauvois, Aurelie; Hamaidia, Malik; Borg, Jean-Paul; Zimmermann, Pascale; Delvigne, Frank; Willems, Luc; Van Weyenbergh, Johan; Kim, Dae-Kyum; Dequiedt, Franck; Arthanari, Haribabu; Volkov, Alexander N.; Twizere, Jean-Claude
Title: Interactome and structural basis for targeting the human T-cell leukemia virus Tax oncoprotein
  • Cord-id: xpidn7k6
  • Document date: 2021_8_25
    • ID: xpidn7k6
    Snippet: Human T-cell leukemia virus type-1 (HTLV-1) is the first pathogenic retrovirus discovered in human. Although HTLV-1-induced diseases are well characterized and linked to the encoded Tax-1 protein, there is currently no strategy to target Tax-1 functions with small molecules. Here, we report a comprehensive interaction map between Tax-1 and human PDZ domain-containing proteins (hPDZome), and we show that Tax-1 interacts with one-third of them. This includes proteins involved in cell cycle, cell-c
    Document: Human T-cell leukemia virus type-1 (HTLV-1) is the first pathogenic retrovirus discovered in human. Although HTLV-1-induced diseases are well characterized and linked to the encoded Tax-1 protein, there is currently no strategy to target Tax-1 functions with small molecules. Here, we report a comprehensive interaction map between Tax-1 and human PDZ domain-containing proteins (hPDZome), and we show that Tax-1 interacts with one-third of them. This includes proteins involved in cell cycle, cell-cell junction and cytoskeleton organization, as well as in membrane complexes assembly. Using nuclear magnetic resonance (NMR) spectroscopy, we have determined the structural basis of the interaction between the C-terminal PDZ binding motif (PBM) of Tax-1, and the PDZ domains of DLG1 and syntenin-1. Finally, we have used molecular modeling and mammalian cell-based assays to demonstrate that Tax-1/PDZ-domain interactions are amenable to small-molecule inhibition. Thus, our work provides a framework for the design of targeted therapies for HTLV-1-induced diseases. Highlights comprehensive interactome map of HTLV-1 Tax / human PDZ proteins basis of Tax-1 PBM binding to human DLG1 and syntenin-1 PDZ domains”. significance of inhibiting Tax-1 functions of the Tax-1 / PDZ interface Graphical abstract

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