Danio rerio
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA138129 | ENA |
REPOSITORIES: ENA
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Project description:Dieldrin is a legacy pesticide that has multiple modes of action (MOA) that include being an estrogen receptor agonist, GABA receptor antagonist, and a chemical that disrupts mitochondrial function. There is also evidence that dieldrin exposure is significantly associated with an increased risk for neurodegeneration in humans. The objective of this thesis was to clarify the effects of dieldrin in the hypothalamus, the major neuroendocrine region of the brain, in the zebrafish (Danio rerio). Zebrafish were fed pellets containing 0.03, 0.15, or 1.8 µg/g dieldrin for 21 days and a global gene expression analysis was performed to characterize cellular processes and pathways affected by dieldrin.
2016-03-07 | GSE71638 | GEO
Project description:Global gene expression induced by CP1020 (Cyanopeptolin) in zebrafish eleuthero-embryo (Danio rerio)
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Project description:We analyzed if genomic responses of adult zebrafish tissues can reproduce the mammalian known inflammatory process induced by acute endotoxin stress. Although the strength of the inflammatory process was influenced by tissue nature, gene regulation was well conserved across evolution and zebrafish genomic responses highly correlated with mammals’ inflammatory reactions after lipopolysaccharide stimulation.
2016-09-18 | GSE73223 | GEO
Project description:Purpose: Construction of 3D zebrafish spatial transcriptomics data for studying the establishment of AP axis. Methods: We performed serial bulk RNA-seq data of zebrafish embryo at three development points. Using the published spatial transcriptomics data as references, we implemented Palette to infer spatial gene expression from bulk RNA-seq data and constructed 3D embryonic spatial transcriptomics. The constructed 3D transcriptomics data was then projected on zebrafish embryo images with 3D coordinates, establishing a spatial gene expression atlas named Danio rerio Asymmetrical Maps (DreAM). Results: DreAM provides a powerful platform for visualizing gene expression patterns on zebrafish morphology and investigating spatial cell-cell interactions. Conclusions: Our work used DreAM to explore the establishment of anteroposterior (AP) axis, and identified multiple morphogen gradients that played essential roles in determining cell AP positions. Finally, we difined a hox score, and comprehensively demonstrated the spatial collinearity of Hox genes at single-cell resolution during development.
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