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The effect of Aryl hydrocarbon receptor (AHR) inhibitor CH-223191 on differentiation of human colon organoids

ABSTRACT: To investigate the effect of AHR deficiency on organoid differentiation or in stem cell state we performed RNA-seq of human colon organoids treated with CH-223191 or DMSO in stem cell conditions or during differentiation

ORGANISM(S): Homo sapiens

PROVIDER: GSE229116 | GEO | 2024/03/22

REPOSITORIES: GEO

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Chromatin immunoprecipitation (ChIP) of aryl hydrocarbon receptor (AHR) in mouse colon stem cells

Project description:To identify direct targets of the environmental sensor AHR, a nuclear transcription factor, in the colonic stem cells, we have performed ChIP sequencing of AHR bound DNA in wildtype colon organoids. ChIP sequencing of AHR knockout organoids was used as a control to filter out non-specific antibody targets.

2022-02-09 | GSE179479 | GEO

Effect of aryl hydrocarbon receptor (Ahr) gene knockout on expression profiles of murine hematopoietic stem cells

Project description:As part of a study of the role of the aryl hydrocarbon receptor (Ahr) in maintenance and senescence of hematopoietic stem cells (HSC), global gene expression profiling was done with HSC isolated from Ahr-knockout and wild-type mice. HSC from young-adult (8 wk old) AhR-KO mice had changes in expression of many genes related to HSC maintenance, consistent with the phenotype observed in aging Ahr-KO mice: decreased survival rate, splenomegaly, increased circulating white blood cells, hematopoietic cell accumulation in tissues, anemia, increased numbers of stem/progenitor and lineage-committed cells in bone marrow, decreased erythroid progenitor cells in bone marrow, and decreased self-renewal capacity of HSC. 7 samples: 3 Ahr knockout, 4 wild-type

2013-11-08 | E-GEOD-46976 | biostudies-arrayexpress

Genome-wide Mapping and Analysis of Aryl Hydrocarbon Receptor (AHR) and Aryl Hydrocarbon Receptor Repressor (AHRR) by ChIP-Seq

Project description:In this study, we compared the genome-wide binding profiles of AHR and AHRR in MCF-7 human breast cancer cells treated for 24 h with TCDD using chromatin immunoprecipitation followed by next generation sequencing (ChIP-Seq). Overall, this study reveals that AHR and AHRR exhibit similar but also distinct genome-wide binding profiles, supporting the notion that AHRR is a context- and gene-specific repressor of AHR activity.

2017-07-08 | GSE90550 | GEO

Effect of aryl hydrocarbon receptor (Ahr) gene knockout on expression profiles of murine hematopoietic stem cells

2013-11-08 | GSE46976 | GEO

Effect of aryl hydrocarbon receptor (Ahr) gene knockout on expression profiles of aged (18-month-old) murine hematopoietic stem cells

Project description:As part of a study of the role of the aryl hydrocarbon receptor (Ahr) in maintenance and senescence of hematopoietic stem cells (HSC), global gene expression profiling was done with HSC isolated from 18-month-old Ahr-knockout and wild-type mice. HSC from aged AhR-KO mice had changes in expression of many genes related to HSC maintenance, consistent with the phenotype observed in aging Ahr-KO mice: decreased survival rate, splenomegaly, increased circulating white blood cells, hematopoietic cell accumulation in tissues, anemia, increased numbers of stem/progenitor and lineage-committed cells in bone marrow, decreased erythroid progenitor cells in bone marrow, and decreased self-renewal capacity of HSC. 10 samples: 5 Ahr knockout, 5 wild-type

2015-03-28 | E-GEOD-67378 | biostudies-arrayexpress

Mast cell expression data from murine aryl hydrocarbon receptor (AhR) null, AhR_d and normal control mice

2013-04-01 | GSE44715 | GEO

Rutaecarpine inhibits glioblastoma migration by activating the aryl hydrocarbon receptor (AhR) signaling pathway

Project description:Glioblastoma is the most frequent and aggressive primary astrocytoma in adults. The high migration ability of the tumor cells is an important reason for the high recurrence rate and poor prognosis of glioblastoma. Recently, emerging evidence has shown that the migration ability of glioblastoma cell was inhibited upon the activation of aryl hydrocarbon receptor (AhR), suggesting potential anti-tumor effects of AhR agonists. Rutaecarpine is a natural compound with potential tumor therapeutic effects which can possibly bind to AhR. However, its effect on the migration of glioblastoma is unclear. Therefore, we aim to explore the effects of rutaecarpine on the migration of human glioblastoma cells U87 and the involvements of the AhR signaling pathway. The results showed that: (i) compared with other structural related alkaloids, like evodiamine and dehydroevodiamine, rutaecarpine was a more potent AhR activator, and has stronger inhibitory effect on the glioblastoma cell migration; (ii) rutaecarpine decreased the migration ability of U87 cells in an AhR-dependent manner; (iii) AhR mediated the expression of a tumor suppressor interleukin 24 (IL24) induced by rutaecarpine, and AhR-IL24 axis was involved in the anti-migratoryeffects of rutaecarpine on the glioblastoma. Besides IL24, other motility related genes were proposed to participate in the migration regulation process of rutaecarpine by RNA-Seq analysis. These data suggest that rutaecarpine is a natural AhR agonist that could inhibit the migration of glioblastomaandbe a potential candidate for developing therapeutic drug against glioblatoma.

2021-12-07 | GSE183606 | GEO

Effect of bone marrow-specific aryl hydrocarbon receptor (Ahr) gene knockout on expression profiles of hematopoietic stem cells from young and old mice.

Project description:As part of a study of the role of the aryl hydrocarbon receptor (Ahr) in maintenance and senescence of hematopoietic stem cells (HSC), global gene expression profiling was done with HSC isolated from bone marrow restricted conditional Ahr-knockout and AhR floxed mice. HSC from young-adult (8 wk old) cAhR-KO mice had changes in expression of many genes related to HSC maintenance, consistent with the phenotype observed in Ahr-KO mice. Aged cAhR-KO mice (18 months old) also displayed alterations in peripheral white blood cell counts, serial repopulation potential and levels of ROS in bone marrow cells, consistent with previous observations on the role of AhR in the hematopoietic system. 22 samples: 5 young Ahr knockout, 6 old Ahr knockout, 5 young floxed Ahr, 6 old floxed Ahr

2016-06-30 | E-GEOD-76276 | biostudies-arrayexpress

Mast cell expression data from murine aryl hydrocarbon receptor (AhR) null, AhR_d and normal control mice

Project description:We found that AhR, a unique chemical sensor, is critical in controlling mast cell differentiation, growth and function in vitro and in vivo. This study seeks to further the understanding of the mechanisms of how AhR control mast cell homeostasis. Three different batches of bone marrow derived mast cells (BMMCs) from AhR null, AhR_d and normal control mice were cultured in 30% WEHI-3-conditioned medium. BMMCs were purified by negative selection with MicroBeads (Miltenyi Biotec) after 4 weeks in culture. 99% BMMCs were FcM-NM-5RI+ c-kit+ CD49b- by flow cytometry analysis. The cells were further rested in cytokine free medium for 4h. Subsequently, total RNA was collected. Gene expression profiling was performed on total RNA from mast cells using Illumina SentrixM-BM-. Murine Ref8_v2_R3 BeadChips. Details of the design and the gene signatures found are given in the paper associated with this GEO Series: Yufeng Zhou, Hui-Ying Tung, Ying-Ming Tsai, Shih-Chang Hsu, Hui-Wen Chang, Hirokazu Kawasaki, Hsiao-Chun Tseng, Beverly Plunkett, Peisong Gao, Chih-Hsin Hung, Becky M. Vonakis, and Shau-Ku Huang. M-bM-^@M-^\Aryl hydrocarbon receptor controls murine mast cell homeostasisM-bM-^@M-^], Blood 2013 Mar 5 [Epub ahead of print]

2013-04-01 | E-GEOD-44715 | biostudies-arrayexpress

Effect of aryl hydrocarbon receptor (Ahr) gene knockout on expression profiles of aged (18-month-old) murine hematopoietic stem cells

Project description:As part of a study of the role of the aryl hydrocarbon receptor (Ahr) in maintenance and senescence of hematopoietic stem cells (HSC), global gene expression profiling was done with HSC isolated from 18-month-old Ahr-knockout and wild-type mice. HSC from aged AhR-KO mice had changes in expression of many genes related to HSC maintenance, consistent with the phenotype observed in aging Ahr-KO mice: decreased survival rate, splenomegaly, increased circulating white blood cells, hematopoietic cell accumulation in tissues, anemia, increased numbers of stem/progenitor and lineage-committed cells in bone marrow, decreased erythroid progenitor cells in bone marrow, and decreased self-renewal capacity of HSC.

2015-03-28 | GSE67378 | GEO

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