Small-molecule inhibitor of OGG1 suppresses proinflammatory gene expression and inflammation

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

Abstract

The onset of inflammation is associated with reactive oxygen species and oxidative damage to macromolecules like 7,8-dihydro-8-oxoguanine (8-oxoG) in DNA. Because 8-oxoguanine DNA glycosylase 1 (OGG1) binds 8-oxoG and because Ogg1-deficient mice are resistant to acute and systemic inflammation, we hypothesized that OGG1 inhibition may represent a strategy for the prevention and treatment of inflammation. We developed TH5487, a selective active-site inhibitor of OGG1, which hampers OGG1 binding to and repair of 8-oxoG and which is well tolerated by mice. TH5487 prevents tumor necrosis factor–a–induced OGG1-DNA interactions at guanine-rich promoters of proinflammatory genes. This, in turn, decreases DNA occupancy of nuclear factor kB and proinflammatory gene expression, resulting in decreased immune cell recruitment to mouse lungs. Thus, we present a proof of concept that targeting oxidative DNA repair can alleviate inflammatory conditions in vivo.

Detaljer

Författare
  • Torkild Visnes
  • Armando Cázares-Körner
  • Wenjing Hao
  • Olov Wallner
  • Geoffrey Masuyer
  • Olga Loseva
  • Oliver Mortusewicz
  • Elisée Wiita
  • Antonio Sarno
  • Aleksandr Manoilov
  • Juan Astorga-Wells
  • Ann Sofie Jemth
  • Lang Pan
  • Kumar Sanjiv
  • Stella Karsten
  • Camilla Gokturk
  • Maurice Grube
  • Evert J. Homan
  • Bishoy M.F. Hanna
  • Cynthia B.J. Paulin
  • Therese Pham
  • Azita Rasti
  • Ulrika Warpman Berglund
  • Catharina Von Nicolai
  • Carlos Benitez-Buelga
  • Tobias Koolmeister
  • Dag Ivanic
  • Petar Iliev
  • Martin Scobie
  • Hans E. Krokan
  • Pawel Baranczewski
  • Per Artursson
  • Mikael Altun
  • Annika Jenmalm Jensen
  • Christina Kalderén
  • Xueqing Ba
  • Roman A. Zubarev
  • Istvan Boldogh
  • Thomas Helleday
Enheter & grupper
Externa organisationer
  • Foundation for Scientific and Industrial Research (SINTEF)
  • University of Texas Medical Branch
  • Stockholms universitet
  • Norwegian University of Science and Technology
  • Karolinska Institute
  • Uppsala universitet, Historiska institutionen
  • I.M. Sechenov First Moscow State Medical University
  • Science for Life Laboratory
  • University of Sheffield
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Läkemedelskemi
  • Immunologi inom det medicinska området
Originalspråkengelska
Sidor (från-till)834-839
Antal sidor6
TidskriftScience
Volym362
Utgivningsnummer6416
StatusPublished - 2018 nov 16
PublikationskategoriForskning
Peer review utfördJa