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Genome-wide chromatin accessibility profiling of cardiomyocyte differentiation from human ES cells and iPS cells under exposure to sublethal of isotretinoin (ATAC-seq)

ABSTRACT: In this study, isotretinoin (INN)-induced alternations in genome-wide open-chromatin regions during cardiomyocyte differentiation were investigated. H1-hESC and C15-hiPSC were differentiated to caidiomyocytes under exposure to sublethal level of INN, and cells were collected at day 0 (undifferentiated cellsl) day 2 (mesoderm) and day 6 (cardiac progenitors) for genome-wide open-chromatin profiling by ATAC-seq.

ORGANISM(S): Homo sapiens

PROVIDER: GSE85879 | GEO | 2018/08/28

REPOSITORIES: GEO

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Genome-wide transcriptomic profiling of cardiomyocyte differentiation from human ES cells and iPS cells under exposure to sublethal of isotretinoin (RNA-seq)

Project description:In this study, isotretinoin (INN)-induced alternations in transcriptome during caidiomyocyte differentiation derived from human hESCs and hiPSCs were investigated. H1-hESC and C15-hiPSC were differentiated to caidiomyocytes under exposure to sublethal level of INN, and cells were collected at day 0 (undifferentiated cellsl) day 2 (mesoderm) and day 6 (cardiac progenitors) for genome-wide transcriptomic profiling by RNA-seq.

2018-08-28 | GSE85880 | GEO

ES cells and iPS cells under exposure to sublethal of isotretinoin

Project description:ES cells and iPS cells under exposure to sublethal of isotretinoin

| PRJNA339623 | ENA

Genome-wide chromatin accessibility profiling of cardiomyocyte differentiation from human embryonic stem cells and iPS cells (ATAC-seq)

Project description:In this study, time-course genome-wide chromatin accessibility of caidiomyocyte differentiation derived from human hESCs and hiPSCs was profiled. Two hiPSC lines (C15 and C20) and two hESC lines (H1 and H9) were differentiated to caidiomyocytes by ATAC-seq. The cells were collected for ATAC-seq at day 0(undifferentiated cells) day 2 (mesoderm), day 4 (cardiac mesoderm) and day 30 (cardiomyocytes).

2017-07-10 | GSE85330 | GEO

Transcription profiling of human skin before and 8 weeks after isotretinoin treatment

Project description:The pathogenesis of acne has been linked to multiple factors such as increased sebum production, inflammation, follicular hyperkeratinization, and the action of Propionibacterium acnes within the follicle. 13-cis Retinoic Acid (13-cis RA, isotretinoin) is the most potent agent in acne treatment. Surprisingly, its mechanism of action in acne is still unknown. Gene expression profiling of skin from 8 patients treated with isotretinoin was performed to gain insights into its mechanism of action. Skin biopsies were obtained from the patients at baseline and at 8 weeks isotretinoin treatment. Gene array expression profiling was conducted using Affymetrix HG-U133A 2.0 arrays in order to examine changes in gene expression as a result of treatment. After treatment, 784 genes were significantly changed: 197 up-regulated and 587 down-regulated. The majority of genes that were up-regulated at 8 weeks encode structural proteins of the extracellular matrix such as collagens, fibulin and fibronectin. The preponderance of genes that were down-regulated at 8 weeks are involved in the metabolism of steroids, cholesterol and fatty acids. Experiment Overall Design: Total 16 chips: 8 baseline/before isotretinoin and 8 after 8 weeks isotretinoin treatment.

2009-01-13 | E-GEOD-11792 | biostudies-arrayexpress

ES cells and iPS cells under exposure to sublethal of isotretinoin

Project description:This SuperSeries is composed of the SubSeries listed below.

2018-08-28 | GSE85881 | GEO

Human Skin: Before and 1 week after Isotretinoin Treatment

Project description:The pathogenesis of acne has been linked to multiple factors such as increased sebum production, inflammation, follicular hyperkeratinization, and the action of Propionibacterium acnes within the follicle. 13-cis Retinoic Acid (13-cis RA, isotretinoin) is the most potent agent in acne treatment. Surprisingly, its mechanism of action in acne is still unknown. Gene expression profiling of skin from 6 patients treated with isotretinoin was performed to gain insights into its mechanism of action. Skin biopsies were obtained from the patients at baseline and at one-week isotretinoin treatment. Gene array expression profiling was conducted using Affymetrix HG-U133A 2.0 arrays in order to examine changes in gene expression as a result of treatment. After treatment, 43 genes were significantly changed: 38 up-regulated and 5 down-regulated. A significant proportion of these genes are involved in pathways that regulate differentiation, tumor suppression, serine proteases, serine protease inhibitors and solute transfer. These studies are the first describing the initial changes in gene expression associated with isotretinoin therapy and are valuable in identifying potential therapeutic targets in acne. Keywords: drug treatment effects

2008-03-04 | GSE10433 | GEO

Human Skin: Before and 8 weeks after Isotretinoin Treatment

2008-11-30 | GSE11792 | GEO

Transcription profiling of human skin from patients with acne before and 1 week after isotretinoin (13-cis retinoic acid) treatment

Project description:The pathogenesis of acne has been linked to multiple factors such as increased sebum production, inflammation, follicular hyperkeratinization, and the action of Propionibacterium acnes within the follicle. 13-cis Retinoic Acid (13-cis RA, isotretinoin) is the most potent agent in acne treatment. Surprisingly, its mechanism of action in acne is still unknown. Gene expression profiling of skin from 6 patients treated with isotretinoin was performed to gain insights into its mechanism of action. Skin biopsies were obtained from the patients at baseline and at one-week isotretinoin treatment. Gene array expression profiling was conducted using Affymetrix HG-U133A 2.0 arrays in order to examine changes in gene expression as a result of treatment. After treatment, 43 genes were significantly changed: 38 up-regulated and 5 down-regulated. A significant proportion of these genes are involved in pathways that regulate differentiation, tumor suppression, serine proteases, serine protease inhibitors and solute transfer. These studies are the first describing the initial changes in gene expression associated with isotretinoin therapy and are valuable in identifying potential therapeutic targets in acne. Experiment Overall Design: Total 12 chips: 6 baseline/before isotretinoin and 6 after 1-week isotretinoin treatment.

2009-04-25 | E-GEOD-10433 | biostudies-arrayexpress

Spinetoram sublethal exposure stimulates Dengue virus replication in Aedes aegypti by dysregulating oxidative phosphorylation

Project description:Vector-borne diseases are closely linked to the environment by the ecology of the vectors and their hosts. Elucidating these causal relationships is one of the most pressing challenges faced by researchers and public health scientists as increasing anthropogenic alternations in the environment can drive shifts in vector-borne disease dynamics. However, as one of the major environmental stressors, the impact of sublethal exposure of insecticides on vector behavior remains poorly investigated. Here, we analyzed how sublethal exposure of the promising vector-control bioinsecticide spinetoram on Aedes aegypti larvae, the latest generation of the spinosyns that have been suggested as a promising new bioinsecticide for vector control, at the larval stage of Ae. aegypti alters adult performance and susceptibility to dengue virus (DENV) infection. While spinetoram sublethal exposure leads to extended immature development time, these survivors were significantly smaller and exhibited weaker blood-feeding capacity than normal females. More importantly, surviving females presented higher DENV susceptibility than the control group after spinetoram sublethal exposure on larvae. Mechanistically, the transcriptomic analysis showed that inhibition of oxidative phosphorylation (OXPHOS) may function in stimulating DENV production in adult Ae. aegypti. In vitro study revealed that spinetoram induces apoptosis via mitochondrial reactive oxygen species (mtROS)-regulated OXPHOS dysregulation in Aag2 cells, and thereby may stimulate DENV production through the metabolic switch between OXPHOS and glycolysis. Altogether, our data demonstrate that sublethal spinetoram exposure could act as a crucial factor on life traits and vector competence in Ae. aegypti. Given that other insecticides are known to induce mitochondrial dysfunction in mosquito vectors, this research may have wider implications.

2022-09-05 | GSE186219 | GEO

MS-275 and Isotretinoin in Treating Patients With Metastatic or Advanced Solid Tumors or Lymphomas

Project description:Phase I trial to study the effectiveness of combining MS-275 with isotretinoin in treating patients who have metastatic or advanced solid tumors or lymphomas. MS-275 may stop the growth of cancer cells by blocking the enzymes necessary for their growth. Isotretinoin may help cancer cells develop into normal cells. MS-275 may increase the effectiveness of isotretinoin by making cancer cells more sensitive to the drug. MS-275 and isotretinoin may also stop the growth of solid tumors or lymphomas by stopping blood flow to the cancer. Combining MS-275 with isotretinoin may kill more cancer cells

| 2011932 | ecrin-mdr-crc

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