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Your Environment. Your Health.

Michigan State University: Dataset Details, ID=GSE148339

Superfund Research Program

Environmental, Microbial and Mammalian Biomolecular Responses to AhR Ligands

Center Director: Norbert E. Kaminski
Grant Number: P42ES004911
Funding Period: 1989-2027
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Title: Application of singe nuclei RNA sequencing to assess the hepatic effects of 2,3,7,8-tetrachlorodibenzo-p-dioxin

Accession Number: GSE148339

Link to Dataset:

Repository: Gene Expression Omnibus (GEO)

Data Type(s): Gene Expression

Experiment Type(s): Expression profiling by high throughput sequencing

Organism(s): Mus musculus

Summary: Cell-specific transcriptional responses are lost in the averages of bulk RNA sequencing. We performed single nuclei RNA sequencing (snSeq) on frozen liver samples from male C57BL/6 mice in response to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Approximately 19,907 hepatic genes were detected across 16,015 sequenced nuclei from control and treated samples. Eleven cell-(sub)types were identified including distinct hepatocyte sub-populations, consistent with the cell diversity of the liver. TCDD increased macrophages from 0.5 to 24.7 , while neutrophils were only present in treated samples. The number of differentially expressed genes correlated with the basal expression level of Ahr. In addition to expected functional enrichments within each cell-(sub)type, RAS signaling was enriched in nonparenchymal cells. snSeq also identified a Kupffer cell subtype highly expressing Gpnmb, consistent with a dietary NASH model. Overall, snSeq distinguished cell-specific transcriptional changes and population shifts consistent with the hepatotoxicity of TCDD.

Publication(s) associated with this dataset:
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