Enrichment of CD56dimKIR+CD57+ highly cytotoxic NK cells in tumor infiltrated lymph nodes of melanoma patients

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Enrichment of CD56dimKIR+CD57+ highly cytotoxic NK cells in tumor infiltrated lymph nodes of melanoma patients

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Title: Enrichment of CD56dimKIR+CD57+ highly cytotoxic NK cells in tumor infiltrated lymph nodes of melanoma patients
Author: Ali, Talib Hassan; Pisanti, Simona; Ciaglia, Elena; Mortarini, Roberta; Anichini, Andrea; Garofalo, Cinzia; Tallerico, Rossana; Santinami, Mario; Gulletta, Elio; Ietto, Caterina; Galgani, Mario; Matarese, Giuseppe; Bifulco, Maurizio; Ferrone, Soldano; Colucci, Francesco; Moretta, Alessandro; Kärre, Klas; Carbone, Ennio

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

Citation: Ali, T. H., S. Pisanti, E. Ciaglia, R. Mortarini, A. Anichini, C. Garofalo, R. Tallerico, et al. 2014. “Enrichment of CD56dimKIR+CD57+ highly cytotoxic NK cells in tumor infiltrated lymph nodes of melanoma patients.” Nature communications 5 (1): 5639. doi:10.1038/ncomms6639. http://dx.doi.org/10.1038/ncomms6639.
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Abstract: An important checkpoint in the progression of melanoma is the metastasis to lymph nodes. Here, to investigate the role of lymph node NK cells in disease progression, we analyze frequency, phenotype and functions of NK cells from tumor-infiltrated (TILN) and tumor-free ipsilateral lymph nodes (TFLN) of the same patients. We show an expansion of CD56dimCD57dimCD69+CCR7+KIR+ NK cells in TILN. TILN NK cells display robust cytotoxic activity against autologous melanoma cells. In the blood of metastatic melanoma patients the frequency of NK cells expressing the receptors for CXCL8 receptor is increased compared to healthy subjects, and blood NK cells also express the receptors for CCL2 and IL6. These factors are produced in high amount in TILN and in vitro switch the phenotype of blood NK cells from healthy donors to the phenotype associated with TILN. Our data suggest that the microenvironment of TILN generates and/or recruits a particularly effective NK cell subset.
Published Version: doi:10.1038/ncomms6639
Other Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4338526/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:17295723
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