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S. japonicum exosome-like vesicles LC-MS/MS

ABSTRACT: Secreted extracellular vesicles play an important role in pathogen-host interactions. Increased knowledge of schistosome extracellular vesicles could provide insights into schistosome-host interactions and enable the development of novel intervention strategies to inhibit parasitic processes and lessen disease transmission. Here, we describe biochemical characterization of Schistosoma japonicum exosome-like vesicles (S. japonicum EVs) by LC-MS/MS

INSTRUMENT(S): Q Exactive

ORGANISM(S): Schistosoma Japonicum (blood Fluke)

TISSUE(S): No

DISEASE(S): Schistosomiasis

SUBMITTER: Lihui Zhu

LAB HEAD: Guofeng Cheng

PROVIDER: PXD003364 | Pride | 2018-10-27

REPOSITORIES: Pride

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Molecular characterization of S. japonicum exosome-like vesicles reveals their regulatory roles in parasite-host interactions.

Zhu Lihui L Liu Juntao J Dao Jinwei J Lu Ke K Li Hao H Gu Huiming H Liu Jinming J Feng Xingang X Cheng Guofeng G

Scientific reports 20160513

Secreted extracellular vesicles play an important role in pathogen-host interactions. Increased knowledge of schistosome extracellular vesicles could provide insights into schistosome-host interactions and enable the development of novel intervention strategies to inhibit parasitic processes and lessen disease transmission. Here, we describe biochemical characterization of Schistosoma japonicum exosome-like vesicles (S. japonicum EVs). A total of 403 proteins were identified in S. japonicum EVs, ...[more]

PMID: 27172881

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LC/MS - Molecular characterization of S

Project description:Secreted extracellular vesicles play an important role in pathogen-host interactions. Increased knowledge of schistosome extracellular vesicles could provide insights into schistosome-host interactions and enable the development of novel intervention strategies to inhibit parasitic processes and lessen disease transmission. Here, we describe biochemical characterization of Schistosoma japonicum exosome-like vesicles (S. japonicum EVs).

2018-10-26 | PXD003368 | Pride

CD47-dependent immunomodulatory and angiogenic activities of extracellular vesicles produced by T cells

Project description:Intercellular communication is critical for integrating complex signals in multicellular eukaryotes. Vascular endothelial cells and T lymphocytes closely interact during the recirculation and trans-endothelial migration of T cells. In addition to direct cell-cell contact, we show that T cell derived extracellular vesicles can interact with endothelial cells and modulate their cellular functions. Thrombospondin-1 and its receptor CD47 are expressed on exosomes/ectosomes derived from T cells, and these extracellular vesicles are internalized and modulate signaling in both T cells and endothelial cells. Extracellular vesicles released from cells expressing or lacking CD47 differentially regulate activation of T cells induced by engaging the T cell receptor. Similarly, T cell-derived extracellular vesicles modulate endothelial cell responses to vascular endothelial growth factor and tube formation in a CD47-dependent manner. Uptake of T cell derived extracellular vesicles by recipient endothelial cells globally alters gene expression in a CD47-dependent manner. CD47 also regulates the mRNA content of extracellular vesicles in a manner consistent with some of the resulting alterations in target endothelial cell gene expression. Therefore, the thrombospondin-1 receptor CD47 directly or indirectly regulates intercellular communication mediated by the transfer of extracellular vesicles between vascular cells. HuVEC cells were cocultured with exosomes derived either from Jurkat or JinB8 cells culture media. Each condition was done in triplicate. Also, Exosome RNA from Jurkat or JINB8 cells were compared to each other in triplicate.

2014-09-01 | E-GEOD-56825 | biostudies-arrayexpress

Small RNA sequencing of plasma extracellular vesicles from HIV/HCV coinfected patients

Project description:We have analyzed six different extracelular vesicles isolation protocols from plasma of patients coinfected with human immunodeficiency virus and hepatitis C virus (HIV/HCV). In addition, two different RNA isolation kit were used for each protocol, one phenol-based and another pehenol-free kit. Same library kit was used for all samples. Small RNA, including miRNAs, piwiRNA, and sncRNAs were detected.

2020-08-14 | E-MTAB-8246 | biostudies-arrayexpress

Comparative analysis of microRNA expression profiles of adult Schistosoma japonicum isolated from water buffalo and yellow cattle

Project description:To investigate microRNAs (miRNAs) involving in the regulation of the schistosome development and survival, we compared miRNA expression profiles of adult Schistosoma japonicum derived from yellow cattle and water buffalo using high-throughput sequencing with Illumina Hiseq Xten.

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RNA-seq of miRNA and piRNA of Exosomes and whole cell lysates from CHO-K1 Cell Cultures at different growth phases

Project description:In biopharmaceutical production, Chinese hamster ovary (CHO) cells derived from Cricetulus griseus remain the most commonly used host cell for recombinant protein production, especially antibodies. Over the last decade in-depth multi-omics characterization of these CHO cells provided data for extensive cell line engineering and corresponding increases in productivity. exosomes, extracellular vesicles containing proteins and nucleic acids, are barely researched at all in CHO cells. Exosomes have been proven to be an ubiquitous mediator of intercellular communication and are proposed as new biopharmaceutical format for drug delivery, indicator reflecting host cell condition and anti-apoptotic factor in spent media. Here we sequenced non-coding RNA of Exosomes (EXO) and whole cell lysate (WCL) isolated from CHO-K1 Cell Cultures at different growth phases (logarithmic/exponential phase (log/exp), stationary phase (stat), as well as death phase at 80 % viability (80 % ) and 60 % viability (60 %)) via Lexogen Small RNA-Seq Library Prep Kit for Illumina on the Illumina MiSeq platform in PE mode 2 x 36nt.

2021-01-18 | E-MTAB-9894 | biostudies-arrayexpress

Neutrophils play a key role in schistosome-induced hepatic granuloma formation

Project description:The severity of schistosome egg-induced hepatic granulomatous pathology depends markedly on the nature of the mammalian host immune response. The local cellular and molecular mechanisms that co-ordinate hepatic granuloma formation during schistosome infection are still poorly understood. We used a combination of laser microdissection microscopy and microarray analysis to further our understanding of fibrogenesis and granuloma formation in C57BL/6 mice infected with Schistosoma japonicum. We compared hepatic gene expression profiles in histologically distinct zones both within, and directly proximal to, granulomas during the course of their development.

2012-11-01 | GSE41941 | GEO

Migrating Schistosoma japonicum schistosomula induce type-2 inflammation in the murine lung

Project description:Migrating schistosomula are an important stage of the schistosome lifecycle and represent a key target for elimination of infection by natural and vaccine induced host immune responses. To gain a better understanding of how these parasites initiate a primary host immune response we have characterised the host lung response to migrating Schistosoma japonicum schistosomula using a combination of histochemistry, microarrays and quantitative cytokine analysis. Our data suggest that, during a S. japonicum infection, actively migrating schistosomula induce a Type-2 cytokine response in the lung that may support the subsequent development of a CD4+ T helper 2 (Th2) response against egg antigens. This hypothesis is supported by the fact that schistosomula and schistosome eggs are known to express important Th2-inducing antigens such as omega-1, peroxiredoxin, kappa-5 and IPSE/alpha1. The host lung response to migrating schistosomula was associated with increased numbers of macrophages and expression of markers for alternatively activated macrophages (AAMφ) in the lung. Activation of AAMφ in the lung and at the systemic level could lead to the modulation of the host immune response to favour parasite survival. Induction of these cells could also contribute to diminished inflammatory responses to, for example, allergy and asthma that are known to be associated with helminth infections. These data enhance our understanding of the mechanisms whereby schistosomes may evade the immune response and the mechanisms by which schistosome infection can help influence the host response following exposure to allergenic stimuli. The gene expression profile of the murine lung was examined at 3 days weeks post infection with 500 Schistosoma japonicum cercariae in comparison to that of uninfected controls. Microarray analysis was performed on cRNA synthesised from total RNA derived from the lungs of 3 individual mice per group.

2011-02-10 | E-GEOD-27171 | biostudies-arrayexpress

Schistosoma japonicum gender-associated differentially expressed genes

Project description:Suppression subtractive hybridization(SSH) libraries of Schistosoma japanicum female and male worms were constructed by using Clontech PCR-selectTM cDNA subtraction kit. S.japonicum cDNA microarrays were fabricated using female and male cDNA clones originating from SSH libraries. female-associated and Male-associated differentially expressed gene clones were obtained, Analysis of gender-associated differentially expressed genes helps to determine which genes are important to sexual maturation of schistosome and better understand schistosome biology and host-parasite relationship, facilitate the discovery of novel gene products that could represent targets for the development of new drugs and vaccines to control chitosomiasis. Keywords: gender-associated Four Samples were analyzed about Schistosoma japonicum gender-associated differentially expressed genes

2012-03-05 | E-GEOD-3641 | biostudies-arrayexpress

Examine strain and gender associated gene expression in Schistosoma japonicum

Project description:We utilised a 22,575 feature custom oligonucleotide DNA microarray designed from public domain databases of schistosome expressed sequence tags to explore differential gene expression between the Philippine (SJP) and Chinese (SJC) strains of S. japonicum, and between male and female S. japonicum. We found that 593, 664 and 426 probes were differentially expressed between the two geographical strains when we compared mix sexed adults, male worms and female worms. Additionally, the study revealed that 1,163 male- and 1,016 femaleassociated probes were differentially expressed in SJP whereas 1,047 male- and 897 female-associated probes were differentially expressed in SJC. Keywords: Strain and Gender Comparison

2006-07-07 | GSE5234 | GEO

Determine the extent of inter-species hybridization in adult parasites.

Project description:We report the design, fabrication, and validation of a microarray covering the majority of the Schistosoma japonicum and Schistosoma mansoni transcriptomes. The oligonucleotide microarray contains 12,166 S. mansoni and 7055 S. japonicum target sequences. A confidence threshold of 0.001 (P value) was used in all analyses. The cross hybridization potential of the microarray was representative of 10,362 probes detected in both channels, while 12,052 probes hybridised to S. japonicum and 11,254 probes hybridised to S. mansoni. Differential hybridisation consisted of 3422 probes to S. mansoni mRNA and 3103 probes to S. japonicum mRNA. Important biological functions, such as transport, metabolism, immune evasion and host?parasite immunological interplay, cell communication, and sexual maturation are represented on this microarray. This is the first microarray commercially manufactured for studying schistosomes, and the large size and verified quality of the resource demonstrate its power for characterising the schistosome transcriptome. Keywords: Interspecies Comparison

2006-07-07 | GSE5191 | GEO

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