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Genome-wide mRNA profiling of styrene oxide effects in human induced pluripotent stem cells-derived neurons

ABSTRACT: In this study, we used human cortical neurons derived from induced pluripotent stem cell lines (N1) to identify universal transcriptomic signatures of styrene oxide neurotoxicity, to highlight novel pathways responsible for its biological activity, and to unravel potential associations with autism spectrum disorders. Total RNA was extrated from cells after 24h exposure to 100μM styrene oxide or vehicle and subjected to RNA sequencing.

ORGANISM(S): Homo sapiens

PROVIDER: GSE151996 | GEO | 2021/06/01

REPOSITORIES: GEO

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Genome-wide mRNA profiling of Edaravone (MCI-186) effects in human induced pluripotent stem cells-derived motor neurons

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Gene expression by E. coli during the production of styrene and when exposed to externally added styrene

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1-day styrene inhalation dose response in C57BL/6 mice (liver)

Project description:This data set is #3 of three generated as part of a coordinated series of experiments to examine potential modes of action of Styrene inhalation on lung and liver in male C57Bl/6 mice. Styrene causes increased lung tumors in mice, but not in rats. Mouse lung tumors were found mostly at the conclusion of a life-time (104 weeks for males) exposure study and most were benign. Styrene is largely negative in genotoxicity assays. Styrene metabolism by CYP2F2 produced a different metabolite pattern in mouse lung than in liver or in rats or humans. The purpose of this study was to use genomic analyses to further investigate potential modes of action (MoA) of styrene in mice, using a total of three genomic data sets. Dataset #1 exposed C57BL/6 wild-type (WT), CYP2F2 knockout (-/-; KO) and CYP2F21 humanized (2F2-KO + 2F1,2A13,2B6-transgenic, TG) male mice to 0, 40 or 120 ppm styrene at 6 hr/day 5 days/wk for 1 or 4 wk. Lungs were analyzed by whole genome microarrays for each strain at each dose. The second part of the study examined a broader dose response and short term exposure. Male wild type C57Bl/6 mice were exposed to 6 inhalation concentrations of styrene: 0, 1, 5, 10, 20, 40, and 120 ppm for a single 6 hour exposure. This was intended to gain dose-response data at low-observed-adverse-effect-levels (LOAELs) of styrene (≥ 20 ppm) and at no-observed-adverse-effect-levels (NOAELs) of styrene (< 20 ppm). Dataset #2 examined lung gene expression, while dataset #3 examined liver gene expression data from the same animals.

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1-day styrene inhalation dose response in C57BL/6 mice (lung)

Project description:This data set is #2 of three generated as part of a coordinated series of experiments to examine potential modes of action of Styrene inhalation on lung and liver in male C57Bl/6 mice. Styrene causes increased lung tumors in mice, but not in rats. Mouse lung tumors were found mostly at the conclusion of a life-time (104 weeks for males) exposure study and most were benign. Styrene is largely negative in genotoxicity assays. Styrene metabolism by CYP2F2 produced a different metabolite pattern in mouse lung than in liver or in rats or humans. The purpose of this study was to use genomic analyses to further investigate potential modes of action (MoA) of styrene in mice, using a total of three genomic data sets. Dataset #1 exposed C57BL/6 wild-type (WT), CYP2F2 knockout (-/-; KO) and CYP2F21 humanized (2F2-KO + 2F1,2A13,2B6-transgenic, TG) male mice to 0, 40 or 120 ppm styrene at 6 hr/day 5 days/wk for 1 or 4 wk. Lungs were analyzed by whole genome microarrays for each strain at each dose. The second part of the study examined a broader dose response and short term exposure. Male wild type C57Bl/6 mice were exposed to 6 inhalation concentrations of styrene: 0, 1, 5, 10, 20, 40, and 120 ppm for a single 6 hour exposure. This was intended to gain dose-response data at low-observed-adverse-effect-levels (LOAELs) of styrene (≥ 20 ppm) and at no-observed-adverse-effect-levels (NOAELs) of styrene (< 20 ppm). Dataset #2 examined lung gene expression, while dataset #3 examined liver gene expression data from the same animals.

2016-11-30 | GSE75157 | GEO

Genome-wide mRNA profiling of styrene oxide effects in human induced pluripotent stem cells-derived neurons

Project description:Genome-wide mRNA profiling of styrene oxide effects in human induced pluripotent stem cells-derived neurons

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Project description:Lung gene expression after long-term (26 weeks, 52 weeks, 78 weeks & 104 weeks) styrene inhalation exposure at a single concentration (120ppm) in three strains of C57BL/6 mice -- wild-type (WT), CYP2F2 knockout (KO), and CYP2F1 humanized (TG) mice, and CD-1 mice. These data examine transcriptomic changes in lung tissue after long-term styrene inhalation in male C57Bl/6 and CD-1 mice. Styrene causes increased lung tumors in mice, but not in rats. Mouse lung tumors were found mostly at the conclusion of a life-time (104 weeks for males) exposure study and most were benign. Styrene is largely negative in genotoxicity assays. Styrene metabolism by CYP2F2 produced a different metabolite pattern in mouse lung than in liver or in rats or humans. The purpose of this study was to use genomic analyses to further investigate potential modes of action (MoA) of styrene in mice after long-term exposure to styrene. Mice strains exposed were C57BL/6 wild-type (WT), CYP2F2 knockout (-/-; KO) and CYP2F21 humanized transgenic (2F2-KO + 2F1,2A13,2B6-transgenic, TG), and CD-1 male mice using 120 ppm styrene at 6 hr/day 5 days/wk for 26, 52, 78 and 104 weeks. Lungs were analyzed by Affymetrix whole genome microarrays for each strain relative to sample time-specific vehicle controls for each strain.

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Styrene BTF

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1-day styrene inhalation dose response in three strains of C57Bl/6 mice: wild-type (WT), CYP2F2 knockout (KO), and CYP2F1 humanized (TG) mice, and CD-1 mice

Project description:These data examine transcriptomic changes in Lung tissue after a single day's exposure to Styrene inhalation in male C57Bl/6 and CD-1 mice. Styrene causes increased lung tumors in mice, but not in rats. Mouse lung tumors were found mostly at the conclusion of a life-time (104 weeks for males) exposure study and most were benign. Styrene is largely negative in genotoxicity assays. Styrene metabolism by CYP2F2 produced a different metabolite pattern in mouse lung than in liver or in rats or humans. The purpose of this study was to use genomic analyses to further investigate potential modes of action (MoA) of styrene in mice after a short term exposure to styrene. Mice strains exposed were C57Bl/6 wild-type (WT), CYP2F2 knockout (-/-; KO) and CYP2F21 humanized transgenic (2F2-KO + 2F1,2A13,2B6-transgenic, TG), and CD-1 male mice using 10, 40 & 120 ppm styrene at 6 hr/day for a single day. Lungs were analyzed by Affymetrix whole genome microarrays for each strain relative to strain specific vehicle controls for each strain. Both RMA normalization and statistical analsis (ANOVA) was performed on each strain separately. Affymetrix control probes (AFFX-prefix, 104 probes) have been excluded from the data matrix.

2018-05-18 | GSE109076 | GEO

1 week & 4 week styrene inhalation exposure at 2 concentrations (40ppm & 120ppm) in three strains of C57BL/6 mice (lung): wild-type (WT), CYP2F2 knockout (KO), and CYP2F1 humanized (TG) mice

Project description:This data set is #1 of three generated as part of a coordinated series of experiments to examine potential modes of action of Styrene inhalation on lung and liver in male C57Bl/6 mice. Styrene causes increased lung tumors in mice, but not in rats. Mouse lung tumors were found mostly at the conclusion of a life-time (104 weeks for males) exposure study and most were benign. Styrene is largely negative in genotoxicity assays. Styrene metabolism by CYP2F2 produced a different metabolite pattern in mouse lung than in liver or in rats or humans. The purpose of this study was to use genomic analyses to further investigate potential modes of action (MoA) of styrene in mice, using a total of three genomic data sets. Dataset #1 exposed C57BL/6 wild-type (WT), CYP2F2 knockout (-/-; KO) and CYP2F21 humanized (2F2-KO + 2F1,2A13,2B6-transgenic, TG) male mice to 0, 40 or 120 ppm styrene at 6 hr/day 5 days/wk for 1 or 4 wk. Lungs were analyzed by whole genome microarrays for each strain at each dose. The second part of the study examined a broader dose response and short term exposure. Male wild type C57Bl/6 mice were exposed to 6 inhalation concentrations of styrene: 0, 1, 5, 10, 20, 40, and 120 ppm for a single 6 hour exposure. This was intended to gain dose-response data at low-observed-adverse-effect-levels (LOAELs) of styrene (≥ 20 ppm) and at no-observed-adverse-effect-levels (NOAELs) of styrene (< 20 ppm). Dataset #2 examined lung gene expression, while dataset #3 examined liver gene expression data from the same animals.

2016-11-30 | GSE75156 | GEO

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