Journal
TRENDS IN IMMUNOLOGY
Volume 31, Issue 11, Pages 401-406Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.it.2010.08.003
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Funding
- Swedish Research Council
- Swedish Cancer Society
- Stockholm County Council
- Karolinska Institutet
- Karolinska University Hospital
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Natural killer (NK) cells serve as a first line of defense against acute viral infections Immunogenetic association data suggest that NK cells also influence the course of chronic viral infections such as infections with HIV-1 and hepatitis C virus (HCV) Chronic stages of these infections have a negative impact on NK cell function and promote the appearance of phenotypically and functionally abnormal NK cells In this paper, we summarize available data on CD56(neg) NK cells, an aberrant NK cell subset found in small numbers in healthy individuals and at elevated levels in individuals chronically infected with HIV-1 and HCV We discuss current knowledge of CD56(neg) NK cells, with a particular emphasis on their accumulation during chronic infection and the possible consequences of this for the host
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