Single-cell transcriptomic atlas of cystic echinococcosis reveals diversity roles of small extracellular vesicles derived from Echinococcus granulosus during liver infection
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ABSTRACT:
ORGANISM(S): Mus musculus
PROVIDER: GSE247521 | GEO | 2025/10/14
REPOSITORIES: GEO
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Project description:The cestodes Echinococcus granulosus and Echinococcus multilocularis, as the pathogens of cystic echinococcosis and alveolar echinococcosis respectively, can cause significant health problems to the host and considerable socio-economic losses as a consequence. Based on the genomic data regarding these two species available in public database recently, we carried out high-throughput mRNA and small RNA transcriptomic sequencing of them and generate enormous transcriptomic datasets. A total of 34,717,856 reads (79.79%) mapped to E. granulosus genome, and 38,882,179 reads (87.61%) mapped to E. multiloculari genome. A total of 24,550 (7,925 known and 16,625 novel transcripts) and 23,771 transcripts (8,432 known and 15,339 novel transcripts) were assembled for E. granulosus and E. multilocularis respectively, and the assembly yielded 11,330 genes (6,815 known and 4,515 novel genes) for E. granulosus and 10,101 genes (7,051 known and 3,050 novel genes) for E. multilocularis, compared with the reference genome data. Bioinformatic analysis identified 6,826 AS events from 3,774 E. granulosus genes (33.31%) and 6,644 AS events in 3,611 E. multilocularis genes (35.75%). A total of 76,674 distinct microRNAs of E. granulosus and 115,742 of E. multilocularis were also obtained from small RNA transcriptome sequencing reads. Of these, there were 20 microRNAs of E. granulosus and 22 microRNAs of E. multilocularis that belonged to 19 and 21 microRNA families common to other metazoan lineages separately. 76 and 90 novel microRNAs so far unique to E. granulosus and E. multilocularis were also identified respectively. This study represents an extensive mRNA and small RNA transcriptome dataset obtained from the deep sequencing of these two cestode species. The findings will facilitate a more fundamental understanding of cestode biology, evolution, the host-parasite interplay, and provide new insights into the pathophysiology of echinococcosis, contributing to the development of improved interventions for disease control.
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Project description:A cDNA microarray composed of 9065 uniEST probes was constructed and applied to detect the gene expression profile of protoscoleces of E. granulosus treated with albendazole and artemisinin in vitro, respectively. Compared with the untreated parasite, 7 genes were up-regulated and 38 genes were down-regulated in protoscoleces treated with albendazole and 100 genes were up-regulated and 6 genes were down-regulated in protoscoleces treated with artemisinin. The differential expression genes in protoscoleces induced by albendazole were clustered into energy metabolism, cell cycle and assembly of cell structure. And the differential expression genes affected by artemisinin were clustered into genetic information, the transduction of environmental signals, metabolism. Under transmission electron microscope observation, albendazole intervention damaged the cell structure, and form the heterochromatin in protoscoleces cells was mainly increased in the artemisinin group.
2014-06-03 | GSE58136 | GEO
Project description:A cDNA microarray composed of 9306 uniEST probes was constructed andapplied to detect the gene expression profile of protoscoleces of E. granulosus treated with dihydroartemisinin in vitro, respectively. Compared with the untreated protoscoleces, 752 genes were up-regulated and 269 genes were down-regulated in protoscoleces treated with dihydroartemisinin. The differential expression genes in protoscoleces induced by dihydroartemisinin were clustered into molecular metabolic process, cell development and differentiation, anatomical structure morphogenesis and formation, and were enriched in calcium signaling pathway, protein processing in endoplasmic reticulum (ER), molecular metabolism and synthesis, Wnt signaling pathway, MAPK signaling pathway, TGF-beta signaling pathway.
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Project description:Establishment of genetic affiliation of various types of echinococcosis pathogen to haplotypes circulating in the territory of Kazakhstan
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Project description:A cDNA microarray composed of 9065 uniEST probes was constructed and applied to detect the gene expression profile of protoscoleces of E. granulosus treated with albendazole and artemisinin in vitro, respectively. Compared with the untreated parasite, 7 genes were up-regulated and 38 genes were down-regulated in protoscoleces treated with albendazole and 100 genes were up-regulated and 6 genes were down-regulated in protoscoleces treated with artemisinin. The differential expression genes in protoscoleces induced by albendazole were clustered into energy metabolism, cell cycle and assembly of cell structure. And the differential expression genes affected by artemisinin were clustered into genetic information, the transduction of environmental signals, metabolism. Under transmission electron microscope observation, albendazole intervention damaged the cell structure, and form the heterochromatin in protoscoleces cells was mainly increased in the artemisinin group. Isolated E. granulosus protoscoleces were treated with albendazole and artemisinin respectively and was extracted of total RNA using the TRIZOL Reagent according to the manufacturer's instructions. Gene-expression profiling was performed for each RNA sample separately on the GeneChip of Echinococcus granulosus Genome Array (Capitalbio) at CapitalBio Corporation (Beijing, China).
2014-06-03 | E-GEOD-58136 | biostudies-arrayexpress
Project description:microRNAs (miRNAs), a class of small non-coding RNAs, are key regulators of gene expression at post-transcriptional level and play essential roles in fundamental biological processes such as development and metabolism. Here, we perform a comprehensive analysis of miRNAs in the zoonotic parasite E. canadensis G7, one of the causative agents of the neglected disease cystic echinococcosis. Small RNA libraries from protoscoleces and cyst walls of E. canadensis G7 and protoscoleces of E. granulosus sensu stricto G1 were sequenced using Illumina technology. As a result, we found transcriptional evidence of 37 miRNAs thus expanding the miRNA repertoire of E. canadensis G7. Differential expression analysis showed significant regulated miRNAs between life cycle stages of E. canadensis G7. We confirmed the remarkable loss of conserved miRNA families in E. canadensis, reflecting their low morphological complexity and high adaptation to parasitism. This study will provide valuable information for better understanding the complex biology of this parasite and could help to find new potential targets for therapy and/or diagnosis. Small RNA libraries from protoscoleces and cyst walls of E. canadensis G7 and protoscoleces of E. granulosus sensu stricto G1 were sequenced using Illumina technology. For each sample type, two libraries were constructed from two independent samples in order to have biological replicates.
2015-02-09 | E-GEOD-64705 | biostudies-arrayexpress
Project description:Cystic echinococcosis (CE) is a chronic zoonosis caused by infection with the larval stage(protoscoleces, PSCs) of the cestode Echinococcus granulosus. A unique characteristic of the PSC is an ability to develop bidirectionally into an adult worm in the definitive host or into a secondary hydatid cyst in the intermediate host. Furmore, the cestode has a complex life-cycle involving different development stages but the mechanisms underpinning this development. Many studies have demonstrated that some matrix proteins undergo posttranslational modifications, including phosphorylation and glycosylation, which have important regulatory effects on the functional properties of the proteins. Systematic analysis of the proteome, the phosphorylated modified proteome and the glycosylated modified proteome of the PSCs and adult worms was performed using a proteomics strategy. A total of 6407 phosphorylation sites and 1757 proteins were quantifiable. Of those, 2032 phosphorylation sites and 770 proteins were up-regulated, and 2993 phosphorylation sites and 1217 proteins were down-regulated in the PSCs compared with the adult worms. A total of 612 N-glycosylation sites within 392 N-glycoproteins were identified. Of which, 355 N-glycosylation sites and 212 N-glycoproteins were quantifiable. Of those, 90 N-glycosylation sites and 64 N-glycoproteins were up-regulated, and 171 N-glycosylation sites and 126 N-glycoproteins were down-regulated 6407 in the PSCs compared with the adult worms. GO enrichment analysis indicated that the differently expressed phosphoproteins were mainly enriched in regulation of oxidoreduction coenzyme metabolic process, myelin sheath and RNA helicase activity, while the differently expressed N-glycoproteins were enriched in the cellular response to unfolded protein, endoplasmic reticulum lumen and nucleic acid binding. KEGG enrichment analysis indicated that the differently expressed phosphoproteins were mainly enriched in RNA transport, Hypertrophic cardiomyopathy (HCM), Glycolysis/Gluconeogenesis, HIF-1 signaling pathway and Pyruvate metabolism. while the differently expressed N-glycoproteins were enriched in PI3K-Akt signaling pathway, ECM-receptor interaction and Protein processing in endoplasmic reticulum.
2023-11-01 | PXD043166 | Pride
Project description:microRNAs (miRNAs), a class of small non-coding RNAs, are key regulators of gene expression at post-transcriptional level and play essential roles in fundamental biological processes such as development and metabolism. Here, we perform a comprehensive analysis of miRNAs in the zoonotic parasite E. canadensis G7, one of the causative agents of the neglected disease cystic echinococcosis. Small RNA libraries from protoscoleces and cyst walls of E. canadensis G7 and protoscoleces of E. granulosus sensu stricto G1 were sequenced using Illumina technology. As a result, we found transcriptional evidence of 37 miRNAs thus expanding the miRNA repertoire of E. canadensis G7. Differential expression analysis showed significant regulated miRNAs between life cycle stages of E. canadensis G7. We confirmed the remarkable loss of conserved miRNA families in E. canadensis, reflecting their low morphological complexity and high adaptation to parasitism. This study will provide valuable information for better understanding the complex biology of this parasite and could help to find new potential targets for therapy and/or diagnosis.
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