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Cell Mol Immunol. 2015 May;12(3):258-63. doi: 10.1038/cmi.2014.79. Epub 2014 Sep 1.

The immune tolerant phase of chronic HBV infection: new perspectives on an old concept.

Author information

1
1] Emerging Infectious Diseases (EID) Program, Duke-NUS Graduate Medical School, Singapore [2] Viral Hepatitis Laboratory, Singapore Institute for Clinical Sciences, Agency of Science Technology and Research (A*STAR), Singapore.
2
Blizard Institute, Barts and The London School of Medicine & Dentistry, London, UK.

Abstract

Chronic hepatitis B virus (HBV) infection progresses through distinct disease phases that are strongly associated with patient age. The so-called immune tolerant (IT) phase represents the classical early phase of infection; it is associated with high levels of HBV replication and lack of clinical signs of liver Inflammation. Whether this phase of HBV infection is also associated with immunological features of "tolerance' has recently been challenged. Here, we review the data that dispute this concept of immune tolerance and then propose an alternative interpretation of the immunopathological events that take place during this early phase of CHB infection.

PMID:
25176526
PMCID:
PMC4654319
DOI:
10.1038/cmi.2014.79
[Indexed for MEDLINE]
Free PMC Article

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