Mus musculus
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA243031 | ENA |
REPOSITORIES: ENA
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Project description:Comparison of epigenome and Tcf1 occupancy between control and Tcf1/Lef1-deficient CD8 T cells Control mice or those are deficient for Tcf1 and Lef1 transcription factors (deleted by CD4-Cre) were used to isolate thymocytes. The thymocytes were surface-stained to identify TCRbeta high, CD69â, CD24â CD8+ subsets. These cells were sorted for ChIPseq analysis of various histone marks. Control mice or those are deficient for Tcf1 (deleted by CD4-Cre) were used to isolate thymocytes. The splenocytes were surface-stained to identify TCRbeta high, CD8+ subsets. These cells were sorted for ChIPseq analysis of Tcf1 binding locations.
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Project description:Over-activation of the aryl hydrocarbon receptor by TCDD in mice leads among other phenotypes to a severe thymic atrophy accompanied by immunosuppression. TCDD causes a block in thymocyte maturation and a preferential emigration of immature CD4-CD8- DN thymocytes (recent thymic emigrants) into the periphery. As part of this study gene expression profiles from DN thymocytes and thymic emigrants were generated from TCDD and solvent control mice Keywords: Affymetrix, TCDD, CD4-CD8- thymocytes, Thymus involution, thymic emigration, Ahr Female, 6-8 week old C57BL6 mice were i.p. injected with 10 M-BM-5g/kg TCDD. After 5 days mice were anesthezised and FITC injected into their thymi. after 24h mice were sacrificed and CD4-CD8-FITC+ cells isolated from thymus (thymocytes) and spleen (recent thymus emigrants).
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