Mus musculus
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REPOSITORIES: ENA
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Project description:Acetaminophen is a widely used antipyretic and analgesic drug, and its overdose is the leading cause of drug-induced acute liver failure. This study aimed to investigate the effect and mechanism of Lacticaseibacillus casei Shirota (LcS), an extensively used and highly studied probiotic, on acetaminophen-induced acute liver injury. C57BL/6 mice were gavaged with LcS suspension or saline once daily for 7 days before the acute liver injury was induced via intraperitoneal injection of 300 mg/kg acetaminophen. The results showed that LcS significantly decreased acetaminophen-induced liver and ileum injury, as demonstrated by reductions in the increases in aspartate aminotransferase, total bile acids, total bilirubin, indirect bilirubin and hepatic cell necrosis. Moreover, LcS alleviated the acetaminophen-induced intestinal mucosal permeability, elevation in serum IL-1α and lipopolysaccharide, and decreased levels of serum eosinophil chemokine (eotaxin) and hepatic glutathione levels. Furthermore, analysis of the gut microbiota and metabolome showed that LcS reduced the acetaminophen-enriched levels of Cyanobacteria, Oxyphotobacteria, long-chain fatty acids, cholesterol and sugars in the gut. Additionally, the transcriptome and proteomics showed that LcS mitigated the downregulation of metabolism and immune pathways as well as glutathione formation during acetaminophen-induced acute liver injury. This is the first study showing that pretreatment with LcS alleviates acetaminophen-enriched acute liver injury, and it provides a reference for the application of LcS.
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Project description:We collected whole genome testis expression data from hybrid zone mice. We integrated GWAS mapping of testis expression traits and low testis weight to gain insight into the genetic basis of hybrid male sterility.
2014-12-04 | GSE61417 | GEO
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Project description:Human T-cell leukemia virus type 1 (HTLV-1) bZIP factor (HBZ) which is encoded in the minus strand of HTLV-1 provirus, possesses dual function as protein, and also as RNA. To know the effect of HBZ RNA and protein in primary T-cells, we introduced HBZ, or its mutant TTG (exclude protein activity), or SM (exclude RNA activity) with retrovirus vector into CD4 positive murine T cells, and analysed the transcriptome profiling. We found that HBZ RNA altered cell cycle progression, cell survival related genes, while HBZ protein altered immunology related genes. This microarray results demonstrated that HBZ RNA and protein possess distinct functions in primary cells. CD4 positive cells were enriched from murine splenocyte, and cultured with irradiated antigen presenting cells (APC). HBZ, or its mutant were introduced with retroviral vector. Forty eight hours after introduction, cells were washed and cultured with recombinant human IL-2. Further 48 hours after culture, virus infected cells were sorted and analysed by agilent microarray.
2016-04-01 | E-GEOD-70649 | biostudies-arrayexpress
Project description:Purpose: To study the alteration of whole transcriptome of Lewis lung carcinoma (LLC) cells after the decreasing of malignant properties of tumor by treatment of tumor-bearing mice with RNase A. Methods: Whole transcriptome profile of Lewis lung carcinoma before and after RNase A treatment were generated by deep sequencing using SOLiD 5.5. The sequence reads were mapped by Bioscope 1.3 software, differential expression was evaluated by Cufflinks v.2.0.1 package. Results: Difference in expression was found for 966 genes. Conclusions: Our study represents the first detailed analysis of alteration of transcriptome of Lewis lung carcinoma after the decrease of malignant prtoperties of the tumor (proliferation and invasion) by RNase A.
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