The immunobiology and pathophysiology of primary biliary cirrhosis

Gideon M. Hirschfield, M. Eric Gershwin

Research output: Contribution to journalArticle

158 Citations (Scopus)

Abstract

Primary biliary cirrhosis (PBC) is an autoimmune disease characterized by clinical homogeneity among patients, an overwhelming female predominance, production of a multilineage immune response to mitochondrial autoantigens, inflammation of small bile ducts, and in some patients the development of fibrosis and cirrhosis. The targets in this disease are small bile ducts, and the prototypic serologic response includes antimitochondrial antibodies (AMAs). Several key observations have greatly advanced our understanding of PBC. First, the multilineage immune response, including AMAs, is directed at the E2 component of the 2-oxo-dehydrogenase pathway, particularly PDC-E2. Second, such autoantibodies may be identified years before the clinical diagnosis of disease. Third, the autoreactive T cell precursor frequency for both CD4 and CD8 cells is significantly higher in liver and regional lymph node than in blood, so the multilineage antimitochondrial response may be required for the development of this disease. Fourth, the apotope of biliary cells contains intact PDC-E2; this apotope, in a setting that includes granulocyte macrophage colony-stimulating factor-stimulated macrophages and AMAs, produces an intense proinflammatory response. Fifth, several mouse models of PBC highlight the importance of loss of tolerance to PDC-E2 as well as a critical role for the interleukin (IL)-12 signaling pathway. Finally, genome-wide association studies suggest an important role for the IL-12 pathway in disease susceptibility. Taken together, these findings have resulted in a better understanding of the mechanism for selective biliary cell destruction and have also suggested unique pathways for therapeutic intervention.

Original languageEnglish (US)
Pages (from-to)303-330
Number of pages28
JournalAnnual Review of Pathology: Mechanisms of Disease
Volume8
DOIs
StatePublished - Jan 2013

Fingerprint

Biliary Liver Cirrhosis
pathophysiology
bile ducts
interleukin-12
Interleukin-12
antibodies
Antibodies
Fibrosis
Bile Duct Diseases
immune response
T-Lymphoid Precursor Cells
autoantigens
granulocyte-macrophage colony-stimulating factor
autoantibodies
autoimmune diseases
Genome-Wide Association Study
Disease Susceptibility
disease diagnosis
cells
Granulocyte-Macrophage Colony-Stimulating Factor

Keywords

  • Apoptosis
  • Genomics
  • Mitochondria
  • Tolerance

ASJC Scopus subject areas

  • Plant Science
  • Medicine(all)

Cite this

The immunobiology and pathophysiology of primary biliary cirrhosis. / Hirschfield, Gideon M.; Gershwin, M. Eric.

In: Annual Review of Pathology: Mechanisms of Disease, Vol. 8, 01.2013, p. 303-330.

Research output: Contribution to journalArticle

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