Modulation of antigen-presenting cells by HDAC inhibitors: Implications in autoimmunity and cancer

Karrune V. Woan, Eva Sahakian, Eduardo M. Sotomayor, Edward Seto, Alejandro Villagra

Research output: Contribution to journalReview articlepeer-review

49 Scopus citations

Abstract

There is a growing body of evidence to support the use of histone deacetylase inhibitors (HDACi) in the treatment of diverse conditions from autoimmunity to cancer. In this context, HDACi have been ascribed many immunomodulatory effects, assigning novel and promising roles to these compounds. This review summarizes the current observations arising from both pre-clinical and clinical studies in these pathological conditions. However, it is left to be explained how a single agent can have both proand anti-inflammatory effects in either physiological or pathological conditions. This question is explored in greater detail by focusing on the effects of HDACi on antigen-presenting cells (APCs), key regulators of immune activation. In particular, HDACi modulation of mo\lecules involved in antigen processing and presentation, as well as co-stimulatory and adhesion molecules, and cytokines will be discussed in the context of both professional and non-professional APCs. Professional APCs encompass classic immune cells; however, it is increasingly evident that other somatic cells, including cancer cells, are not immunologically inert and can display functions similar to professional APCs, a challenging feature that needs to be explored as a potential therapeutic target. In this way, professional and non-professional APCs can regulate their particular micro-environmental niche, affecting either a pro- or anti-inflammatory milieu.

Original languageEnglish (US)
Pages (from-to)55-65
Number of pages11
JournalImmunology and Cell Biology
Volume90
Issue number1
DOIs
StatePublished - Jan 2012

Keywords

  • HDAC
  • HDAC inhibitor
  • autoimmunity

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