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Memory like NK cells display stem cell like properties after Zika virus Infection

ABSTRACT: Here we show that Zika virus infection induces memory like NK cells that express CD27. This subset shared transcriptional changes with memory CD8 T cells, stem cells and stem like T cells. These NK cells with memory and stemness features which we term NK memory stem cells (SCMNK) demonstrated greater antiviral potential. Transcriptional data of SCMNK and non-memory NK cells is presented.

ORGANISM(S): Mus musculus

PROVIDER: GSE148205 | GEO | 2020/12/11

REPOSITORIES: GEO

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Memory like NK cells display stem cell like properties after Zika virus infection

Project description:In this study, we show that CD27+ memory like NK cells generated following Zika virus infection exhibited stem-like features viz., self-renewal pathway, differentiation into effector cells and longer telomeres, and greater therapeutic potential than CD27- and naive CD27+ NK cells when adoptively transferred to Zika virus infected mice. In addition, epigenetic landscape of CD27+ memory like NK is markedly different compared to CD27- NK cells.

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Memory like NK cells display stem cell like properties after Zika virus infection

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Memory like NK cells display stem cell like properties after Zika virus Infection

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Transcription profiling of mouse natural killer (NK) cell subsets defined by CD27 and CD11b expression

Project description:Previous reports have defined three subsets of mouse NK cells on the basis of the expression of CD27 and CD11b. The developmental relationship between these subsets was unclear. To address this issue, we evaluated the overall proximity between mouse NK cell subsets defined by CD27 and CD11b expression using pangenomic gene expression profiling. The results suggest that CD27+CD11b-, CD27+CD11b+ and CD27-CD11b+ correspond to three different intermediates stages of NK cell development. Experiment Overall Design: Spleen cells from RAG-/- mice have been isolated and stained with anti-NK1.1, anti CD27 and anti CD11b antibodies. NK1.1+ cells were sorted into CD27+ CD11b-, CD27+ CD11b+ and CD27- CD11b+ subsets by flow cytometry. There are two independent replicates for each sample. Total RNA was extracted with the RNeasy microkit (Qiagen) and gene expression profiles were performed according to manufacturer instructions (Affymetrix mouse 430 2.0).

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NK cells expressing CD27 and CD11b are mature NK intermediates with organ specific distribution in cynomolgus macaque

Project description:In this study, we aim to establish the means to characterize macaque natural killer (NK) cells, and to investigate whether the CD27/CD11b NK maturation model proposed in human and murine models is applicable to Macaca fascicularis (cynomolgus macaque) NK cells. The NK development studies performed in mice models have demonstrated four functionally distinct subsets defined by CD27 and CD11b, however this has not yet been established in nonhuman primates. The expression data of these macaque NK subsets will be associated with the antibody-dependent cellular cytotoxicity and missing-self responses produce by each subset.

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Id2-deficient NK cells acquire a naïve-like fate (Affymetrix data set)

Project description:All innate lymphoid cells (ILC) constitutively express and require the small helix-loop-helix protein ID2 but the functions of ID2 are not well understood in these cells. Here we show that natural killer (NK) cells, the prototypic ILC, can develop in the absence of ID2 but lose their innate properties and remain as CD27+CD11b- cells that fail to mature into cytotoxic effectors. We show that ID2 broadly limited chromatin accessibility at E protein binding sites near T lymphocyte-associated genes including multiple chemokine receptors, cytokine receptors, and signaling molecules. Moreover, ID2 prevented the conversion of CD27+CD11b- NK cells from a CD8 memory precursor-like chromatin accessibility state toward a naïve-like chromatin accessibility state, and altered their functional capacity. Finally, we demonstrate that increased expression of the naïve T cell-associated helix-loop-helix protein ID3 was required for development of ID2-deficient NK cells, indicating that completely unfettered E protein function is incompatible with NK cell development. These data solidify the roles of ID2 and ID3 as mediators of effector and naïve gene programs, respectively, and revealed a critical role for ID2 in promoting a chromatin state and transcriptional program in CD27+CD11b- NK cells that supports the innate properties of these cells and their ability to undergo cytotoxic effector differentiation.

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Id2-deficient NK cells acquire a naïve-like fate (ATAC-seq data set)

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NK cells expressing CD27 and CD11b are mature NK intermediates with organ specific distribution in cynomolgus macaque.

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