Characterization of Circulating Natural Killer Cells in Neotropical Primates

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Characterization of Circulating Natural Killer Cells in Neotropical Primates

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Title: Characterization of Circulating Natural Killer Cells in Neotropical Primates
Author: Carville, Angela; Evans, Tristan I.; Reeves, R. Keith

Note: Order does not necessarily reflect citation order of authors.

Citation: Carville, Angela, Tristan I. Evans, and R. Keith Reeves. 2013. “Characterization of Circulating Natural Killer Cells in Neotropical Primates.” PLoS ONE 8 (11): e78793. doi:10.1371/journal.pone.0078793. http://dx.doi.org/10.1371/journal.pone.0078793.
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Abstract: Despite extensive use of nonhuman primates as models for infectious diseases and reproductive biology, imprecise phenotypic and functional definitions exist for natural killer (NK) cells. This deficit is particularly significant in the burgeoning use of small, less expensive New World primate species. Using polychromatic flow cytometry, we identified peripheral blood NK cells as CD3-negative and expressing a cluster of cell surface molecules characteristic of NK cells (i.e., NKG2A, NKp46, NKp30) in three New World primate species – common marmosets, cotton-top tamarins, and squirrel monkeys. We then assessed subset distribution using the classical NK markers, CD56 and CD16. In all species, similar to Old World primates, only a minor subset of NK cells was CD56+, and the dominant subset was CD56–CD16+. Interestingly, CD56+ NK cells were primarily cytokine-secreting cells, whereas CD56–CD16+ NK cells expressed significantly greater levels of intracellular perforin, suggesting these cells might have greater potential for cytotoxicity. New World primate species, like Old World primates, also had a minor CD56–CD16– NK cell subset that has no obvious counterpart in humans. Herein we present phenotypic profiles of New World primate NK cell subpopulations that are generally analogous to those found in humans. This conservation among species should support the further use of these species for biomedical research.
Published Version: doi:10.1371/journal.pone.0078793
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3823947/pdf/
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11879077
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