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Microcystins are produced by the cyanobacteria, most commonly Microcystis aerµginosa. Upon ingestion, toxic microcystins are actively absorbed by fish, birds and mammals where they are primarily liver toxins. Groups of 4-6 rats were exposed to 0, 1, 10, 50 or 100 µg/kg microcystin-LR for 0.5, 1, 3 o...
ORGANISM(S): Rattus norvegicus 
Microcystin-LR (MCLR) exposure has been associated with development of hepatocellular carcinoma (HCC). Many of the carcinogenic mechanisms for MCLR have been attributed to the induction of cell survival and proliferation through altered protein phosphorylation pathways by inhibition of protein phosp...
ORGANISM(S): Homo sapiens (Human) 
2025-02-05 | PXD054405 | Pride
Microcystin-LR (MC-LR), the most toxic member of microcystin family, inhibits protein phosphatase PP2A, triggers oxidative stress and induces hepatotoxicity. Gene expression profiling of MC-LR treated larvae using DNA microarray analysis revealed effects in the retinal visual cycle and pigmentation ...
ORGANISM(S): Danio rerio 
2017-02-16 | GSE73739 | GEO
Differentially expressed genes in the livers of mice exposed to microcystin-LR (MC-LR)
The bacterium Novosphingobium sp. THN1 (THN1) is capable of degrading microcystin-LR (MCLR). To get an insight into genes expression during MCLR degradation and the regulation of different carbon concentrations on MCLR degradation, we performed RNA-seq of THN1 during MCLR degradation under different...
ORGANISM(S): Novosphingobium sp. THN1 
2019-01-30 | GSE125827 | GEO
Transcriptome analysis of Novosphingobium sp. THN1 during microcystin-LR degradation under different carbon concentrations
We report microcystin-LR, a cyclic heptapeptide that acts as a potent hepatotoxin and carcinogen, was used to induce the malignant transformation of the WRL-68 cell line and alterations in microRNA (miRNA) expression in the transformed cells.
ORGANISM(S): Murid gammaherpesvirus 4 Human gammaherpesvirus 8 Homo sapiens Mus musculus Human alphaherpesvirus 1 Human betaherpesvirus 5 Murid betaherpesvirus 1 Human immunodeficiency virus 1 Rattus norvegicus JC polyomavirus Betapolyomavirus hominis human gammaherpesvirus 4 Betapolyomavirus macacae 
2012-07-31 | GSE30560 | GEO
Human hepatocytes, HepaRG cells and HCC HepG2 cells were treated with 50nM of Microcystin-LR and cylindrospermopsin (CYN) to observe changes in gene expression.
ORGANISM(S): Homo sapiens 
Effect of Microcystin-LR and cylindrospermopsin (CYN) on gene expression in human hepatocytes, HepaRG cells and HCC HepG2 cells.
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