The immunological milieu of the liver

Carlo Selmi, Ian R. Mackay, M. Eric Gershwin

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

From the immunology standpoint, the liver is a peculiar organ for several reasons that range from its anatomical location to its cytoarchitecture and its variety of specific functions. Receiving blood directly from the digestive system, the liver is the crossroad at which the majority of antigens enter the organism. Hence, the milieu of the liver must provide a finely tuned balance between generating tolerance to self as well as to nonpathogenic molecules and microorganisms and producing an appropriate immune response to pathogens. Knowledge of the mechanisms that effectively maintain this balance is critical to the understanding of the pathogenesis of chronic inflammatory liver diseases, infectious, autoimmune, and others. Several theories have been proposed to explain what causes one or another response to take precedence. Although no definitive answer is yet available, the critical elements include, for tolerance, the particular cytoarchitectural features and the intrahepatic existence of antigen-presenting cells and, for immunity, inflammatory expressions including type 1 cytokines and chemokines, notably CCR5. Herein we review the available data on immune responses in the liver with particular emphasis on the unique structural and functional features of this "lymphoid" organ.

Original languageEnglish (US)
Pages (from-to)129-139
Number of pages11
JournalSeminars in Liver Disease
Volume27
Issue number2
DOIs
StatePublished - May 2007

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Liver
Digestive System
Antigen-Presenting Cells
Allergy and Immunology
Chemokines
Liver Diseases
Immunity
Cytokines
Antigens

Keywords

  • Antigen presentation
  • Autoimmunity
  • Immune tolerance

ASJC Scopus subject areas

  • Hepatology

Cite this

The immunological milieu of the liver. / Selmi, Carlo; Mackay, Ian R.; Gershwin, M. Eric.

In: Seminars in Liver Disease, Vol. 27, No. 2, 05.2007, p. 129-139.

Research output: Contribution to journalArticle

Selmi, Carlo ; Mackay, Ian R. ; Gershwin, M. Eric. / The immunological milieu of the liver. In: Seminars in Liver Disease. 2007 ; Vol. 27, No. 2. pp. 129-139.
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