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Expression data of human decidual NK cells from gravid uteri and NK cells from cycling endometrium

ABSTRACT: Human NK cells from the decidua basalis of gravid uteri (dNK) and from cycling endometrium (eNK) of women undergoing hysterectomy were isolated and compared by gene expression profiling using Affymetrix microarrays with probes representing ~47,400 transcripts. Substantial differences indicate that these two types of NK cells represent distinct subsets. Freshly isolated NK cells were obtained by FACS sorting. 4 dNK and 5 eNK samples were obtained form independent donors. dNK cells were isolated from the decidua basalis of first trimester placentas and sorted as CD3-, CD16-, CD56+ cells. eNK cells were obtained from non-affected regions of cycling endometrium of donor women undergoing hysterectomy and were sorted as CD45+, CD56+, CD3- cells . The preliminary patient diagnoses included genital prolapse, fibroids, cervical dysplasia, or menorrhagia. All cycling endometrium samples were from the secretory phase of the cycle with exception of sample eNK_S6 that was from the proliferative phase.

ORGANISM(S): Homo sapiens

SUBMITTER: Hernan Kopcow

PROVIDER: E-GEOD-20499 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Human decidual NK cells from gravid uteri and NK cells from cycling endometrium are distinct NK cell subsets.

Kopcow H D HD Eriksson M M Mselle T F TF Damrauer S M SM Wira C R CR Sentman C L CL Strominger J L JL

Placenta 20100220 4

Human NK cells from the decidua basalis of gravid uteri and from the cycling endometrium of women undergoing hysterectomy were isolated and compared by gene expression profiling using Affymetrix microarrays with probes representing approximately 47,400 transcripts. Substantial differences indicate that these two types of NK cells represent distinct subsets. ...[more]

PMID: 20172608

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Expression data of human decidual NK cells from gravid uteri and NK cells from cycling endometrium

Project description:Human NK cells from the decidua basalis of gravid uteri (dNK) and from cycling endometrium (eNK) of women undergoing hysterectomy were isolated and compared by gene expression profiling using Affymetrix microarrays with probes representing ~47,400 transcripts. Substantial differences indicate that these two types of NK cells represent distinct subsets.

2010-02-25 | GSE20499 | GEO

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Decidual NK cells Xiong et al 2013

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Differential expression of Wnt signalling molecules between pre- and post-menopausal endometrial epithelial cells suggests that a population of putative epithelial stem/progenitor cells reside in the basalis layer

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2012-04-10 | E-GEOD-35221 | biostudies-arrayexpress

Epigenetic characterization of NKG2C high cells of primigravid decidual NK, multigravid decidual NK, nulligravid endometrial NK and multigravid endometrial NK

Project description:Natural killer cells (NKs) are abundant in the human decidua. Several diseases of poor placental development are associated with first pregnancies, and we thus looked to characterize differences in decidual NKs in first versus repeated pregnancies. We discovered a population unique to repeated pregnancies, which possesses a novel transcriptome and epigenetic signature, characterized with high expression levels of the receptors NKG2C and LILRB1. Activation of these receptors leads to increased production and secretion of IFNγ and VEGFa, the latter found to support vascular sprouting and trophoblast-tumor growth. We propose that this population represents NK “memory” of pregnancy, and have named these cells Pregnancy Trained decidual NK cells (PTdNKs). We further suggest that the precursors of PTdNKs are found in the endometrium. PTdNKs may prove useful in understanding and treating disorders of poor placentation.

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