Browse
Submit Data
Databases
API
Help

Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

16 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

Filarial nematode AsnRS interacts with interleukin 8 receptors in iDCs but causes different gene expression patterns compared to iDCs stimulated by interleukin 8.

ABSTRACT: Nematode derived substances are known to down regulate host immune responses in order to survive in the human host. Brugia malayi is a parasitic nematode responsible for long lasting and disabling infection known as lymphatic filariasis in humans. The therapeutic benefit of a controlled parasitic nematode infection on the course of inflammatory bowel disease (IBD) has been demonstrated in both animal and human models. However the inability of individual purified nematode proteins to recreate this beneficial effect has limited the application of component immunotherapy to human disease. This experiment addresses the hypothesis that the genes regulated by IL8 and recombinant Brugia malayi AsnRS (rBmAsnRS) are different even though it is known that both molecules interact with IL-8 receptors. Furthermore, we theorize that the signal transduction pathways activated by IL-8 and rBmAsnRS are different because it is known that the extracellular G protein loops utilized by IL-8 and rBmAsnRS to activate IL8 receptors, are different. These results obtained with a single recombinant nematode protein, rBmAsnRS, share immunological features with those observed in a whole nematode infection and include desirable features for treatment of idiopathic inflammatory diseases, such as IBD. The immune reaction of human host in response to most abundant nematode expressed protein Asparaginyl t RNA Synthetase was compared with reaction of human immature dendritic cells to IL-8 stimulation or no stimulation.

ORGANISM(S): Homo sapiens

SUBMITTER: Michael Kron

PROVIDER: E-GEOD-39999 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

ACCESS DATA

Json Xml

Similar Datasets

Filarial nematode AsnRS interacts with interleukin 8 receptors in iDCs but causes different gene expression patterns compared to iDCs stimulated by interleukin 8.

Project description:Nematode derived substances are known to down regulate host immune responses in order to survive in the human host. Brugia malayi is a parasitic nematode responsible for long lasting and disabling infection known as lymphatic filariasis in humans. The therapeutic benefit of a controlled parasitic nematode infection on the course of inflammatory bowel disease (IBD) has been demonstrated in both animal and human models. However the inability of individual purified nematode proteins to recreate this beneficial effect has limited the application of component immunotherapy to human disease. This experiment addresses the hypothesis that the genes regulated by IL8 and recombinant Brugia malayi AsnRS (rBmAsnRS) are different even though it is known that both molecules interact with IL-8 receptors. Furthermore, we theorize that the signal transduction pathways activated by IL-8 and rBmAsnRS are different because it is known that the extracellular G protein loops utilized by IL-8 and rBmAsnRS to activate IL8 receptors, are different. These results obtained with a single recombinant nematode protein, rBmAsnRS, share immunological features with those observed in a whole nematode infection and include desirable features for treatment of idiopathic inflammatory diseases, such as IBD.

2012-12-08 | GSE39999 | GEO

Brugia pahangi transcriptomics

Project description:Brugia pahangi is a parasitic nematode that is closely related to B. malayi and Wuchereria bancrofti. B. malayi and W. bancrofti are responsible for lymphatic filariasis, affecting around 120 million people in 73 countries worldwide.This project aims to undertake high-throughput sequencing of Brugia pahangi transcriptome. The objective is to use transcriptomics to support gene finding and to recognize genes expressed in given life stages.

2013-01-25 | E-ERAD-68 | biostudies-arrayexpress

Identification of cross-species microRNA-based Communication in Brugia malayi with its endosymbiont Wolbachia

Project description:Brugia malayi is a parasitic nematode that causes lymphatic filariasis in humans. A total of 178 novel microRNA were identified from short read transcriptional data, which when combined with known Brugia microRNAs yielded a total of 284 microRNA. Of these, 123 microRNA sequences (43%) are differentially expressed over the mammalian life stages of B. malayi that we examined. Putative targets of these microRNA were identified from inversely expressed target clusters that contain valid seed sequences for the corresponding microRNAs. The largest identified cluster is downregulated in adult females and enriched in zinc finger domains, helicase domains, and DNA binding domains suggesting this microRNA cluster may have regulatory control over a large proportion of adult female specific mRNA genes. MicroRNA-like molecules are identified as produced by the Wolbachia endosymbiont, providing evidence for direct nucleic acid-based interdomain communication between filarial nematodes and their bacterial obligate endosymbiont.

2022-01-15 | GSE143730 | GEO

Transcription profiling of of the human filarial nematode Brugia malayi across multiple life-cycle stages

Project description:High-throughput sequencing to profile the transcriptome of the human filarial nematode Brugia malayi, the causative agent of lymphatic filariasis, across multiple life-cycle stages.

2011-10-18 | E-MTAB-811 | biostudies-arrayexpress

High-throughput sequencing of small RNAs from Brugia pahangi and Haemonchus contortus

Project description:Illumina sequencing of small RNAs from Brugia pahangi and Haemonchus contortus 4 samples examined, larval stage 3 and mixed sex adults from two parasitic nematode species.

2011-12-20 | E-GEOD-34539 | biostudies-arrayexpress

Drug repurposing of bromodomain inhibitors as potential novel therapeutic leads for lymphatic filariasis guided by multi-species transcriptomics

Project description:Brugia malayi, Wolbachia (wBm), and Aedes aegypti transcriptome reads from across the B. malayi FR3 life cycle

2019-11-20 | GSE139965 | GEO

Microarray analysis of Brugia malayi microfilariae-derived extracellular vesicles (Evs) and supernatants

Project description:We report our microarray analysis of Brugia malayi microfilariae-derived miRNA comparing parasite-derived EVs and supernatants Microarray analysis was performed using isolated RNA from three biological replicates of Brugia malayi microfilariae with a focus on the parasite-derived EVs and supernatant

2021-01-12 | GSE157226 | GEO

Interleukin-27 is a potent inhibitor of cis HIV-1 replication in Monocyte-derived Dendritic Cells via a Type I Interferon-independent pathway

Project description:IL-27 treated DCs were shown to be highly potent inhibitors of cis HIV-1, particularly of CCR5 tropic strains. Microarray studies of IL-27 treated DCs showed no up-regulation of Type I (IFN) gene expression. Neutralization of the Type-I IFN receptor had no impact on the HIV inhibition. Lastly, IL-27 mediated inhibition was shown to act post-viral entry and prior to completion of reverse transcription. These results show for the first time that IL-27 is a potent inhibitor of cis HIV-1 infection in DCs by a Type I IFN independent mechanism. Gene expression microarrays from 3 samples of immature dendritic cells (iDCs) were compared with 3 samples of iDCs treated with IL-27

2013-03-29 | E-GEOD-44732 | biostudies-arrayexpress

Dual RNA-seq of parasite and host reveals gene expression dynamics during filarial worm-mosquito interactions

Project description:Parasite biology, by its very nature, cannot be understood without integrating it with that of the host, nor can the host response be adequately explained without considering the activity of the parasite. However, due to experimental limitations, molecular studies of parasite-host systems have been predominantly one-sided investigations focusing on either of the partners. Here we conduct a joint dual RNA-seq time course analysis of filarial parasite and host mosquito to better understand the parasite processes underlying development in, and interaction with, the host tissue from the establishment of infection to the emergence of infective-stage larva. Using the Brugia malayi-Aedes aegypti system, we report the parasite gene transcription dynamics, which exhibit a highly ordered developmental program consisting of a series of cyclical and state-transitioning temporal patterns. And, we contextualize these parasite data in relation to the concurrent dynamics of the host transcriptome. Comparative analyses using uninfected tissues and different host strains reveal the influence of parasite development on the host gene transcription as well as the influence of host environment on the parasite gene transcription. Furthermore, we critically evaluate the life-cycle transcriptome of B. malayi by comparing developmental stages in the mosquito relative to those in the mammalian host, providing insight into gene expression changes underpinning the mosquito-borne parasitic lifestyle of this heteroxenous parasite. Time-course mRNA profiles of filarial parasite Brugia malayi and host mosqutio Aedes aegypti were generated by deep sequencing using Illumina GAIIx.

2014-04-15 | E-GEOD-53664 | biostudies-arrayexpress

Effect of Doxycycline on Wolbachia and Brugia malayi adult female worms in vivo

Project description:Doxycycline treatment affects gene expression in Wolbachia and Brugia malayi adult female worms in vivo

2012-01-16 | GSE34976 | GEO