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Identification of microRNAs with the potential role in progression of thioacetamide-induced liver fibrosis in mouse

ABSTRACT: We applied Solexa deep sequencing technology to identify which miRNAs were regulated in thioacetamide-induced fibrotic liver tissue

ORGANISM(S): Mus musculus

PROVIDER: GSE79865 | GEO | 2016/04/15

SECONDARY ACCESSION(S): PRJNA317267

REPOSITORIES: GEO

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scRNA sequencing revealed the effect of celecoxib on thioacetamide-induced liver fibrosis in mice

Project description:Aims: We sought to discover the effect of celecoxib on thioacetamide-induced liver fibrosis in mice with single cell RNA sequencing (scRNA-seq). Methods: A fibrotic mouse model was established by intraperitoneal injection of thioacetamide, and celecoxib was used as the treatment. Mice livers were collected and analyzed with scENA-seq. Results: scRNA-seq revealed prominent transcriptomic changes especially in B cells in liver fibrosis and after celecoxib treatment. KEGG pathways of the B-cell receptor signaling pathway and antigen processing and presentation were enriched, and the gene expression of receptors such as CXCR4 was altered. Conclusions: Celecoxib might modulate intrahepatic B cells to ameliorate liver fibrosis.

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2021-09-29 | E-MTAB-10547 | biostudies-arrayexpress

The identification of putative circulating miRNA biomarkers of Thioacetamide-induced hepatotoxicity.

Project description:The Thioacetamide-treated rat was first identified as a model of hepatotoxicity by Gupta in 1956 and is now well-established, not least because the histopathogical output closely mimics that seen in humans with chronic liver disease. Acute treatment of rats with Thioacetamide causes pronounced necrosis and inflammation. Animals received intraperitoneal (ip) doses of vehicle-only (0.9% (v/v) saline) (n=3), or 100 mg/kg Thioacetamide (n=3) and were sacrificed after 24 hours. Blood was withdrawn via the descending vena cava and immediately transferred into potassium/EDTA tubes. Following centrifugation (16,100g, 4M-BM-0C, 5 min) the plasma was collected and stored at -80M-BM-0C. miRNA microarray profiling of RNA extracted from the plasma of rats treated with Thioacetamide revealed that a subset of miRNAs were differentially expressed following treatment. These miRNAs appeared to mediate pathways involved in hepatic fibrosis and stellate cell activation, suggesting that they might function as predictive biomarkers following compound-induced hepatotoxicity. The changes correlated well with increases in ALT levels, which are the current gold standard method for determining the extent of liver injury. Furthermore, it is hypothesised that particular aetiologies of liver damage might cause differing expression profiles of miRNAs, thus certain miRNAs could be implemented in a panel-type expression study to distinguish between different types of hepatic injury. Single channel miRNA microarrays were performed on n= 3 samples, 2 treatment groups; control and test. Control animals received vehicle-only (0.9% (v/v) saline) via the ip route. Test animals received 100 mg/kg Thioacetamide dissolved in 0.9% (v/v) saline, via the ip route. 24 h after dosing animals were sacrificed using decapitation under terminal anaesthesia.

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Project description:In this study we tested the ability to predict organ injury from transcriptomic data in Hartley guinea pigs at early time points after exposure to thioacetamide (9 and 33 hours). We selected thioacetamide, a compound extensively used in animal studies for its ability to cause liver damage.

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Project description:In this study we tested the ability to predict liver injury from in vitro human pooled hepatocyte data after exposure to thioacetamide (24 hour). We selected thioacetamide, a compound extensively used in various studies for its ability to cause liver injury.

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In vitro transcriptomic responses to thioacetamide-S-oxide exposure in human primary hepatocytes, renal tube epithelial, and cardiomyocytes

Project description:In this study we tested the ability to predict organ injury endpoints from in vitro transcriptomics responses at early time points (9 and 24 hours) after to thioacetamide-S-oxide treatment, the toxic metabolite of thioacetamide. Thioacetamide, an organosulfur compound, have been extensively used in animal studies as a hepatotoxin and carcinogen for its ability to cause acute liver damage.

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Expression profiles of liver tissues from wild-type and AID transgenic mice exposed to thioacetamide hepatotoxicity

Project description:AID is an intrinsic DNA mutator enzyme and contributes to tumorigenesis through the accumulation of genetic aberrations. To examine whether mutagenesis induced by AID during inflammation-associated hepatocarcinogenesis depends on the transcriptional levels of the target genes, we performed the gene expression profiling of liver tissues from AID transgenic mice and wild-type mice with and without thioacetamide treatment. AID transgenic mice and wild-type mice were administered with thioacetamide in drinking water for 6 months, and the gene expression levels of their livers are compared.

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In vitro transcriptomic responses to thioacetamide-S-oxide exposure in Sprague-Dawley rat primary hepatocytes, renal tube epithelial, and cardiomyocytes

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The identification of putative circulating miRNA biomarkers of Thioacetamide-induced hepatotoxicity.

Project description:The Thioacetamide-treated rat was first identified as a model of hepatotoxicity by Gupta in 1956 and is now well-established, not least because the histopathogical output closely mimics that seen in humans with chronic liver disease. Acute treatment of rats with Thioacetamide causes pronounced necrosis and inflammation. Animals received intraperitoneal (ip) doses of vehicle-only (0.9% (v/v) saline) (n=3), or 100 mg/kg Thioacetamide (n=3) and were sacrificed after 24 hours. Blood was withdrawn via the descending vena cava and immediately transferred into potassium/EDTA tubes. Following centrifugation (16,100g, 4°C, 5 min) the plasma was collected and stored at -80°C. miRNA microarray profiling of RNA extracted from the plasma of rats treated with Thioacetamide revealed that a subset of miRNAs were differentially expressed following treatment. These miRNAs appeared to mediate pathways involved in hepatic fibrosis and stellate cell activation, suggesting that they might function as predictive biomarkers following compound-induced hepatotoxicity. The changes correlated well with increases in ALT levels, which are the current gold standard method for determining the extent of liver injury. Furthermore, it is hypothesised that particular aetiologies of liver damage might cause differing expression profiles of miRNAs, thus certain miRNAs could be implemented in a panel-type expression study to distinguish between different types of hepatic injury.

2014-03-14 | GSE55885 | GEO

In the livers of rats treated with thioacetamide for 28 days

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