Human natural interferon-alpha producing cells.

Pharmacol Ther

Department of Laboratory Medicine and Pathology, University of Medicine and Dentistry of New Jersey Medical School, Newark 07103.

Published: October 1993

Interferons (IFNs) are critical components of the host immune system, serving as antiviral agents, immunomodulators and inhibitors of cell growth. Among peripheral blood mononuclear cells, the primary IFN-alpha-producing cell is a light density, HLA-DR+ cell negative for cell surface markers typical for T cells, B cells, monocytes, natural-killer or progenitor cells and has been tentatively termed the 'natural IFN-producing cell' or NIPC. Although present in very low frequency (approximately 1:1000 among peripheral blood mononuclear cells), the NIPC are very potent, with an individual cell able to produce 1-2 IU of IFN. In this review, the characteristics, phenotype, regulation and relationship of NIPC to human disease are discussed.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7133642PMC
http://dx.doi.org/10.1016/0163-7258(93)90021-5DOI Listing

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