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Cited by 494

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

CD56brightCD16− Killer Ig-Like Receptor− NK Cells Display Longer Telomeres and Acquire Features of CD56dim NK Cells upon Activation

Open access
Romagnani, Chiara, Juelke, Kerstin, Falco, Michela, Morandi, Barbara, D’Agostino, Antonella, Costa, Roberta, Ratto, Giovanni, Forte, Giuseppe, Carrega, Paolo, Lui, Gabrielle, Conte, Romana, Strowig, Till, Moretta, Alessandro, Münz, Christian, Thiel, Andreas, Moretta, Lorenzo, Ferlazzo, Guido·2007·The Journal of Immunology

Abstract

Human NK cells can be divided into CD56dimCD16+ killer Ig-like receptors (KIR)+/− and CD56brightCD16− KIR− subsets that have been characterized extensively regarding their different functions, phenotype, and tissue localization. Nonetheless, the developmental relationship between these two NK cell subsets remains controversial. We report that, upon cytokine activation, peripheral blood (PB)-CD56bright NK cells mainly gain the signature of CD56dim NK cells. Remarkably, KIR can be induced not only on CD56bright, but also on CD56dim KIR− NK cells, and their expression correlates with lower proliferative response. In addition, we demonstrate for the first time that PB-CD56dim display shorter telomeres than PB- and lymph node (LN)-derived CD56bright NK cells. Along this line, although human NK cells collected from nonreactive LN display almost no KIR and CD16 expression, NK cells derived from highly reactive LN, efferent lymph, and PB express significant amounts of KIR and CD16, implying that CD56bright NK cells could acquire these molecules in the LN during inflammation and then circulate through the efferent lymph into PB as KIR+CD16+ NK cells. Altogether, our results suggest that CD56brightCD16− KIR− and CD56dimCD16+KIR+/− NK cells correspond to sequential steps of differentiation and support the hypothesis that secondary lymphoid organs can be sites of NK cell final maturation and self-tolerance acquisition during immune reaction.

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Metadata

Authors
Romagnani, C., Juelke, K., Falco, M., Morandi, B., D’Agostino, A., Costa, R., Ratto, G., Forte, G., Carrega, P., Lui, G., Conte, R., Strowig, T., Moretta, A., Münz, C., Thiel, A., Moretta, L., & Ferlazzo, G.
Venue
The Journal of Immunology
Published
2007-04
Volume
178
Issue
8
Pages
4947-4955
ISSN
  • 0022-1767 (ISSN-L)
  • 1550-6606
OpenAlex
W1845250843
Cited by
494
References
38
FWCI
10.42
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: CD56brightCD16− Killer Ig-Like Receptor− NK Cells Display Longer Telomeres and Acquire Features of CD56dim NK Cells upon Activation. https://app.cochat.ai/papers/10.4049/jimmunol.178.8.4947
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Romagnani, C., Juelke, K., Falco, M., Morandi, B., D’Agostino, A., Costa, R., Ratto, G., Forte, G., Carrega, P., Lui, G., Conte, R., Strowig, T., Moretta, A., Münz, C., Thiel, A., Moretta, L., & Ferlazzo, G. (2007). CD56brightCD16− Killer Ig-Like Receptor− NK Cells Display Longer Telomeres and Acquire Features of CD56dim NK Cells upon Activation. The Journal of Immunology. https://doi.org/10.4049/jimmunol.178.8.4947

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.