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Effect of Ixodes ricinus bites in skin gene expression [jejunum]

ABSTRACT: Tick bites often predispose to meat allergy. The mechanisms involved in this process is not fully understood. Here we investigated the changes in the gut induced by Ixodes ricinus bites.

ORGANISM(S): Mus musculus

PROVIDER: GSE247064 | GEO | 2024/11/21

REPOSITORIES: GEO

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Effect of Ixodes ricinus bites in skin gene expression [skin]

Project description:Tick bites often promote local allergic reactions in the skin. The mechanisms involved in this process is not fully understood. Here we investigated the local changes in the skin induced by Ixodes ricinus bites.

2024-11-21 | GSE247060 | GEO

Ixodes ricinus (tick)

Project description:Ixodes ricinus (tick), genomic data

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Tick-borne Pathogens Induce Differential Expression of Genes Promoting Cell Survival and Host Resistence in Ixodes ricinus Cells

Project description:There has been an emergence and expansion of tick-borne diseases in Europe, Asia and North America in recent years, including Lyme disease, tick-borne encephalitis, and human anaplasmosis. The primary tick vectors implicated are hard ticks of the Ixodes genera. Although much is known about the host response to these bacterial and viral pathogens, there is limited knowledge of the cellular responses to infection within the tick vector. The bacterium Anaplasma phagocytophilum (A. phagocytophilum), is able to bypass apoptotic processes in ticks, enabling infection to proceed. However, the tick cellular responses to infection with the flaviviruses tick-borne encephalitis virus (TBEV) and louping ill virus (LIV), which cause tick-borne encephalitis and louping ill respectively, are less clear. Infection of an Ixodes ricinus (I. ricinus) tick cell line with the viruses LIV and TBEV, and the bacterium A. phagocytophilum, identified activation of common and distinct cellular pathways. In particular, commonly-upregulated genes included those that modulate apoptotic pathways (HSP70), putative anti-pathogen genes (FKBP and XBL1), and genes that influence the tick innate immune response, including selective activation of toll genes. These data provide an insight into potentially key genes involved in the tick cellular response to viral or bacterial infection.

2017-01-01 | GSE85300 | GEO

Insight into the dynamics of Ixodes ricinus nymphal midgut proteome

Project description:The midgut of the tick is the most important tissue for the storage and digestion of host blood, which serves as the sole source of energy and nutrients for all tick development and reproduction. During feeding at each developmental stage, dynamic changes in the tick midgut epithelium reflect changes in physiological processes in this tissue. In addition, the midgut serves as the primary interface between the tick and tick-borne pathogens, which determines the vector competence of the tick. Several transcriptome data from Ixodes ricinus have been published, but few studies have examined tick proteomes. In contrast to transcriptome data, proteomics provides a deeper understanding of key cellular processes occurring in the investigated tissues. In this work, we present for the first time insight into proteomics of the midgut of I. ricinus nymph. Label-free quantitative proteomics was used to elucidate changes during blood meal and development in I. ricinus. A total of 1 534 I. ricinus-specific proteins were identified, with only a few host proteins detected. In addition, the proteins involved in the specific physiological processes of the tick were studied in detail to gain better insight into the ontogeny of the midgut of the nymph.

2023-11-10 | PXD042405 | Pride

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Project description:Ixodes ricinus transcriptome

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Tissue-specific signatures in the transcriptional response to Anaplasma phagocytophilum infection of Ixodes scapularis and Ixodes ricinus tick cell lines

Project description:We report differential gene expression with tissue-specific signatures in tick cell lines infected with Anaplasma phagocytophilum - transcriptional response to infection of I. scapularis ISE6 cells resembled that of tick hemocytes while the response in I. ricinus IRE/CTVM20 cells resembles that of tick midguts.

2017-01-01 | GSE76906 | GEO

Tick (Ixodes ricinus) salivary antigens by LC-MS/MS

Project description:Here, we challenged rabbits with repeated feeding of Ixodes ricinus adults and observed the formation of specific antibodies against several tick salivary proteins. To identify the salivary antigens, isolated immunoglobulins from repeatedly infested rabbits were utilised for a pull-down from the saliva of pilocarpine-treated ticks. Eluted antigens were separated on 1D SDS-PAGE and analysed by peptide mass fingerprinting. To increase the authenticity of immunogens identified, we also performed, for the first time, de novo assembly of the sialome from I. ricinus females fed for six days, a timepoint used for pilocarpine-salivation.

2021-09-09 | PXD021370 | Pride

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