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Heligmosomoides polygyrus

ABSTRACT: Exosomes secreted by a nematode parasite transfer small RNAs to mammalian cells and regulate genes of the innate immune system [Heligmosomoides polygyrus]

PROVIDER: PRJNA241496 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR1197960.fastq.gz	Fastqsanger.gz
	SRR1197951.fastq.gz	Fastqsanger.gz
	SRR1197952.fastq.gz	Fastqsanger.gz
	SRR1197953.fastq.gz	Fastqsanger.gz
	SRR1197954.fastq.gz	Fastqsanger.gz

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Similar Datasets

Heligmosomoides polygyrus

Project description:Exosomes secreted by a nematode parasite transfer small RNAs to mammalian cells and regulate genes of the innate immune system [Heligmosomoides polygyrus]

| PRJNA241496 | ENA

Heligmosomoides polygyrus

Project description:Heligmosomoides polygyrus overview

| PRJNA301368 | ENA

Exosomes secreted by a nematode parasite transfer small RNAs to mammalian cells and regulate genes of the innate immune system [Heligmosomoides polygyrus]

Project description:In mammalian systems, extracellular small RNAs can operate in a paracrine manner to communicate information between cells, relying on transport within vesicles. “Foreign” small RNAs derived from bacteria, plants and parasites have also been detected in mammalian body fluids, sparking interest in whether these could mediate inter-species communication. However, there is no mechanistic framework for RNA-mediated interspecies communication and the active movement of RNA via vesicles has not been shown outside of mammals. Here we demonstrate that specific microRNAs and Y RNAs are packaged into vesicles secreted by a gastrointestinal nematode, Heligmosomoides polygyrus, which naturally infects mice. Total RNA was extracted from the secretion product of adult worms and compared to the profile of small RNAs in adult worms, eggs and infective larvae.

2014-11-25 | E-GEOD-55978 | biostudies-arrayexpress

Exosomes secreted by a nematode parasite transfer small RNAs to mammalian cells and regulate genes of the innate immune system [Heligmosomoides polygyrus]

2014-11-25 | GSE55978 | GEO

Genome sequencing of Heligmosomoides polygyrus bakeri

Project description:Genome sequencing of Heligmosomoides polygyrus bakeri

| PRJEB15396 | ENA

Gene expression analysis of ex-Foxp3 Th2 cells during Heligmosomoides polygyrus infection

Project description:Gene expression of Treg cells that have lost Foxp3 expression and acquired Il4 expression following adoptive transfer into T-cell deficient mice (HpTR-IL-4gfp+), cmpared to conventional Treg cells isolated from H. polygyrus-infected wild-type mice (HpTR) and Th2 cells generated from naïve T cells following adoptive transfer into H. polygyrus-infected T-cell deficient mice (nT-IL-4gfp+). Immunity to intestinal helminth infections requires the rapid activation of T helper 2 (Th2) cells. However, simultaneous expansion of regulatory CD4+Foxp3+ T (Treg) cells impedes protective responses, resulting in chronic infections. The ratio between regulatory and effector T cells can therefore determine the outcome of infection. The re-differentiation of Treg into T helper (Th) cells has been identified in hyper-inflammatory diseases. In this study, we asked whether ex-Treg Th2 cells develop and contribute to type 2 immunity. Using multi-gene reporter and fate-reporter systems we demonstrate that a significant proportion of Th2 cells derive from Foxp3+ cells following Heligmosomoides polygyrus infection and airway allergy. Ex-Foxp3 Th2 cells exhibit characteristic Th2 effector functions and provide immunity to H. polygyrus. Through selective deletion of Il4ra on Foxp3+ cells, we further demonstrate IL-4 is required for the development of ex-Foxp3 Th2 cells. Collectively, our findings indicate that converting Treg cells into Th2 cells could concomitantly enhance Th2 cells and limit Treg-mediated suppression.

2017-05-04 | GSE98518 | GEO

RNAseq of murine small intestinal organoid cultures treated with Type 1 (IFNg) or Type 2 (IL4+IL13) cytokines in the presence or absence of excretory/secretory (ES) products of the helminth parasite Heligmosomoides polygyrus

Project description:Heligmosomoides polygyrus is a natural intestinal parasite of mice which exerts wide ranging modulatory effects on the immune system. This experiment was designed to investigate its abillity to modify intestinal epithelial cells, which form part of its natural niche. We tested gene expression in vitro, in differentiating organoids of small intestinal origin, exposed to cytokines and the released products of the parasite, termed HpES.

2021-11-12 | E-MTAB-11118 | biostudies-arrayexpress

Genome-wide expression analysis of the effects of a parasitic nematode's secreted exosomes on mammalian cells.

Project description:We show that a gastrointestinal nematode that infects mice, Heligmosomoides polygyrus, secretes vesicles packaged with specific microRNAs (miRNAs) and Y RNAs as well as a nematode-specific Argonaute protein. The vesicles are of intestinal origin and are enriched for homologs of mammalian proteins found in exosomes, including heat shock proteins, tetraspanins and an ESCORT protein. The nematode-derived vesicles are internalized by mouse intestinal epithelial cells and mediate changes in expression of host genes involved in inflammation and immunity, including the receptor for the alarmin IL33 as well as a key regulator of MAPK signaling, DUSP1. A total of 12 samples were analyzed, from 4 different conditions: medium, exosome-treated, LPS and LPS+exosomes, each with 3 biological replicates. One of the 'medium' replicates was discarded due to outlier behaviour.

2014-12-24 | E-GEOD-55941 | biostudies-arrayexpress

Excretory/secretory microRNAs from the gastrointestinal nematode Heligmosomoides polygyrus bakeri in culture.

Project description:Excretory/secretory microRNAs from the gastrointestinal nematode Heligmosomoides polygyrus bakeri in culture.

| PRJNA362219 | ENA

The production of Excretory-Secretory molecules from Heligmosomoides polygyrus bakeri fourth stage larvae varies between mixed and single sex cultures.

Project description:In this study, the composition of ES of male and female L4 stage Heligmosomoides polygyrus bakeri in the presence (cultured together) or absence (cultured alone) of the opposite sex was examined using mass spectrometry.

2021-09-10 | PXD023759 | Pride

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