Targeting heme oxygenase-1 and carbon monoxide for therapeutic modulation of inflammation. Review uri icon

Overview

MeSH

  • Animals
  • Genetic Therapy
  • Humans
  • Signal Transduction

MeSH Major

  • Anti-Inflammatory Agents
  • Carbon Monoxide
  • Heme Oxygenase-1
  • Inflammation

abstract

  • The heme oxygenase-1 (HO-1) enzyme system remains an attractive therapeutic target for the treatment of inflammatory conditions. HO-1, a cellular stress protein, serves a vital metabolic function as the rate-limiting step in the degradation of heme to generate carbon monoxide (CO), iron, and biliverdin-IXα (BV), the latter which is converted to bilirubin-IXα (BR). HO-1 may function as a pleiotropic regulator of inflammatory signaling programs through the generation of its biologically active end products, namely CO, BV and BR. CO, when applied exogenously, can affect apoptotic, proliferative, and inflammatory cellular programs. Specifically, CO can modulate the production of proinflammatory or anti-inflammatory cytokines and mediators. HO-1 and CO may also have immunomodulatory effects with respect to regulating the functions of antigen-presenting cells, dendritic cells, and regulatory T cells. Therapeutic strategies to modulate HO-1 in disease include the application of natural-inducing compounds and gene therapy approaches for the targeted genetic overexpression or knockdown of HO-1. Several compounds have been used therapeutically to inhibit HO activity, including competitive inhibitors of the metalloporphyrin series or noncompetitive isoform-selective derivatives of imidazole-dioxolanes. The end products of HO activity, CO, BV and BR may be used therapeutically as pharmacologic treatments. CO may be applied by inhalation or through the use of CO-releasing molecules. This review will discuss HO-1 as a therapeutic target in diseases involving inflammation, including lung and vascular injury, sepsis, ischemia-reperfusion injury, and transplant rejection. Copyright © 2016 Elsevier Inc. All rights reserved.

publication date

  • January 2016

has subject area

  • Animals
  • Anti-Inflammatory Agents
  • Carbon Monoxide
  • Genetic Therapy
  • Heme Oxygenase-1
  • Humans
  • Inflammation
  • Signal Transduction

Research

keywords

  • Journal Article
  • Review

Identity

Language

  • eng

PubMed Central ID

  • PMC4857893

Digital Object Identifier (DOI)

  • 10.1016/j.trsl.2015.06.011

PubMed ID

  • 26166253

Additional Document Info

start page

  • 7

end page

  • 34

volume

  • 167

number

  • 1