Ontology highlight
ABSTRACT:
PROVIDER: PRJNA356146 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR5084100.fastq.gz | Fastqsanger.gz | |||
| SRR5084110.fastq.gz | Fastqsanger.gz | |||
| SRR5084120.fastq.gz | Fastqsanger.gz | |||
| SRR5084130.fastq.gz | Fastqsanger.gz | |||
| SRR5084140.fastq.gz | Fastqsanger.gz |
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Project description:Background: Schistosomiasis is a chronic neglected tropical disease that is characterized by continued inflammatory challenges to the exposed population, and it has been established as a possible risk factor in the aetiology of bladder cancer. Improved diagnosis of schistosomiasis and its associated pathology is possible through mass spectrometry to identify biomarkers among the infected population, which will influence early detection of the disease and its subtle morbidity. Methodology: A high-throughput proteomic approach was used to analyse human urine samples for 49 volunteers from Eggua, a schistosomiasis endemic community in South-West, Nigeria. The individuals were previously screened for Schistosoma haematobium and structural bladder pathologies via microscopy and ultrasonography respectively. Samples were categorised into schistosomiasis, schistosomiasis with bladder pathology, bladder pathology, and a normal healthy control group. These samples were analysed to identify potential protein biomarkers. Results: A total of 1306 proteins and 8752 unique peptides were observed in this study (FDR = 0.01). Fifty-four human proteins were found to be potential biomarkers for schistosomiasis and bladder pathologies due to schistosomiasis by label-free quantitative comparison between groups. Thirty-six (36) parasite-derived potential biomarkers were also identified, which include some existing putative schistosomiasis biomarkers that have been previously reported. Some of these proteins include Elongation factor 1 alpha, phosphopyruvate hydratase, histone H4 and heat shock proteins (HSP 60, HSP 70). Conclusion: These findings provide an in-depth analysis of potential schistosoma and human host protein biomarkers for diagnosis of chronic schistosomiasis caused by Schistosoma haematobium and its pathogenesis.
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Project description:Liver fibrosis is a poor outcome of patients with schistosomiasis, impacting the quality of life and even survival. Eggs deposited in the liver were the main pathogenic factors of hepatic fibrosis in Schistosomiasis japonica. However, the mechanism of hepatic fibrosis in schistosomiasis remains not well defined and there is no effective measure to prevent and treat schistosome-induced hepatic fibrosis. In this study, we applied single-cell sequencing to primarily explore the mechanism of hepatic fibrosis in murine schistosomiasis japonica(n=1) and normal mouse was served as control(n=1). A total of 10,403 cells were included in our analysis and grouped into 18 major cell clusters. Th2 cells and NKT cells were obviously increased and there was a close communication between NKT cells and FASLG signaling pathway. Flow cytometry analysis indicated that the expression of Fasl in NKT cells, CD8+ T cell and NK cell were higher in SJ groups. Arg1, Retnla and Chil3, marker genes of alternatively activated macrophages (M2), were mainly expressed in mononuclear phagocyte(1) (MP(1)), suggesting that Kupffer cells might undergo M2-like polarization in fibrotic liver of schistosomiasis. CXCL and CCL signaling pathway analysis with CellChat showed that Cxcl16-Cxcr6, Ccl6-Ccr2 and Ccl5-Ccr5 were the most dominant L−R and there were close interactions between T cells and MPs. Overall, our research profiled a preliminary immunological network of hepatic fibrosis in murine schistosomiasis japonica, which might contribute to a better understanding of the mechanisms of liver fibrosis in schistosomiasis. NKT cells and CXCL and CCL signaling pathway such as Cxcl16-Cxcr6, Ccl6-Ccr2 and Ccl5-Ccr5 might be potential targets to alleviate hepatic fibrosis of schistosomiasis.
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Project description:We have performed a genome wide transcriptional survey of liver biopsies obtained from patients in Hunan China, who have chronic schistosomiasis with and without past viral hepatitis history, compared to patients with no liver disease history or indicators. These results present a comprehensive transcriptional profile of chronic schistosomiasis japonica patients and demonstrate similarities and differences with other hepatic diseases. These unique features of gene expression, in conjunction with previous reports of the cellular composition of granuloma formation and recovery, present an improved understanding of the molecular immunopathology and general physiological status underlying hepatic schistosomiasis.
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Project description:We have performed a genome wide transcriptional survey of liver biopsies obtained from patients in Hunan China, who have chronic schistosomiasis with and without past viral hepatitis history, compared to patients with no liver disease history or indicators. These results present a comprehensive transcriptional profile of chronic schistosomiasis japonica patients and demonstrate similarities and differences with other hepatic diseases. These unique features of gene expression, in conjunction with previous reports of the cellular composition of granuloma formation and recovery, present an improved understanding of the molecular immunopathology and general physiological status underlying hepatic schistosomiasis. The gene expression profile of the human liver was examined for chronic patients with Schistosoma japonicum infections. Microarray analysis was performed on cRNA synthesised from total RNA derived from the liver biopsy tissue from huan China. Three groups were examined based on infections status [C] were without history or indicators of schistosomiasis or viral heapatitis controls ; [S] with a history or active for schistosomiasis but no indicators of viral heapatitis; and [S]
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