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Feed-forward Inhibition of Androgen Receptor Activity by Glucocorticoid Action in Human Adipocytes

ABSTRACT: We compared transcriptomes of terminally differentiated mouse 3T3-L1 adipocytes [Series GSE14004] and human adipocytes to identify cell-specific differences. Gene expression and high content analysis (HCA) data identified the androgen receptor (AR) as both expressed and functional, exclusively during early human adipocyte differentiation. We used HCA to determine mechanisms of AR regulation and activity in human adipocytes. We found that AR is regulated in a feed-forward fashion by glucocorticoids. Total RNA isolated from human subcutaneous preadipocytes differentiated for up to 14 days.

ORGANISM(S): Homo sapiens

SUBMITTER: Scott Ochsner

PROVIDER: E-GEOD-39342 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Feed-forward Inhibition of Androgen Receptor Activity by Glucocorticoid Action in Human Adipocytes

Project description:We compared transcriptomes of terminally differentiated mouse 3T3-L1 adipocytes [Series GSE14004] and human adipocytes to identify cell-specific differences. Gene expression and high content analysis (HCA) data identified the androgen receptor (AR) as both expressed and functional, exclusively during early human adipocyte differentiation. We used HCA to determine mechanisms of AR regulation and activity in human adipocytes. We found that AR is regulated in a feed-forward fashion by glucocorticoids.

2012-07-13 | GSE39342 | GEO

Single-cell RNA-seq of de-differentiated mammary adipocytes during lactation

Project description:Adipose tissue in the mammary gland undergoes dramatic remodeling during reproduction. Adipocytes are replaced by mammary alveolar structures during pregnancy and lactation, then reappear upon weaning. Here, we reveal that adipocytes in the mammary gland de-differentiate into Pdgfrα+ preadipocyte- and fibroblast-like cells during pregnancy, and remain de-differentiated during lactation. Upon weaning, de-differentiated fibroblasts proliferate and re-differentiate into adipocytes. In order to determine the molecular signature of these de-differentiated adipocytes in the mammary gland, we compared these cells with classical adipocytes. Using the AdipoChaser-mT/mG system, we pre-labeled mature adipocytes with GFP expression to characterize the features of these de-differentiated adipocytes (Figure 4A), and then purified CD31-/CD45-/PDGFRα+/Tomato+ and CD31-/CD45-/PDGFRα+/GFP+ cells from the stromal vascular fraction (SVF) of lactating mammary gland at the peak of lactation through FACS. Gene expression analyses showed that the CD31-/CD45-/PDGFRα+/Tomato+ cells were indeed enriched with Tomato expression, while the CD31-/CD45-/PDGFRα+/GFP+ cells were enriched with GFP expression (Figure 4C). We then collected CD31-/CD45-/PDGFRα+/GFP+ cells as single cells for subsequent single cell RNA-sequencing analysis (Figure 4D-G, Supplemental. Figure S1A-G). After the flow sorting and single cell RNA amplification, 26 CD31-/CD45-/PDGFRα+/GFP+ cells passed the quality control, and these cells were used for single-cell RNA-sequencing analysis. Due to technical difficulties in sorting single mature white adipocyte through flow cytometry, adipocytes differentiated from the immortalized murine-derived brown pre-adipocyte cell line were used as mature adipocyte control (Pradhan et al., 2017). Additionally, we also included population RNA-seq experiments, i.e. three mature white adipocyte samples, two GFP+, and six GFP- ones.

2018-06-17 | E-MTAB-6818 | biostudies-arrayexpress

In situ promoter capture Hi-C data of differentiated SGBS human preadipocytes (days 0, 2, 8 and 16 of differentiation to adipocytes) and iPSC-derived hypothalamic neurons (days 12, 16 and 27 of differentiation)

Project description:Human SGBS preadipocytes were differentiated into adipocytes, and human iPSCs were differentiated into hypothalamic neurons. Cells were collected for in situ promoter capture Hi-C [PMID: 29988018] at several differentiation stages. The differentiations were performed in one biological replicate, with two technical replicates (different wells of the differentiation that were also processed individually during library preparation). SGBS Day0: Represents the preadipocyte state. SGBS Day2: Represents immature adipocytes. SGBS Day8: Represents early mature adipocytes. SGBS Day16: Represents mature adipocytes. Hypothalamic Day 12: Represents early hypothalamic neurons. Hypothalamic Day 16: Represents mid hypothalamic neurons. Hypothalamic Day 27: Represents mature hypothalamic neurons.

2021-05-29 | E-MTAB-10488 | biostudies-arrayexpress

Homo sapiens

Project description:GW7647 and Rosiglitazone treated human differentiated adipocytes

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Open chromatin profiling (ATAC-seq) of SGBS human preadipocytes (days 0, 2, 8 and 16 of differentiation to adipocytes) and iPSC-derived hypothalamic neurons (days 12, 16 and 27 of differentiation)

Project description:Human SGBS preadipocytes were differentiated into adipocytes, and human iPSCs were differentiated into hypothalamic neurons. Cells were collected for ATAC-seq at several differentiation stages. The differentiations were performed in one biological replicate, with two technical replicates (different wells of the differentiation that were also processed individually during library preparation). SGBS Day0: Represents the preadipocyte state. SGBS Day2: Represents immature adipocytes. SGBS Day8: Represents early mature adipocytes. SGBS Day16: Represents mature adipocytes. Hypothalamic Day 12: Represents early hypothalamic neurons. Hypothalamic Day 16: Represents mid hypothalamic neurons. Hypothalamic Day 27: Represents mature hypothalamic neurons.

2021-05-22 | E-MTAB-10462 | biostudies-arrayexpress

Noise propagation with interlinked feed-forward pathways.

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Feed-forward and feed-backward amplification model from cochlear cytoarchitecture: an interspecies comparison.

Project description: Not available

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Feed-forward regulation of phagocytosis by Entamoeba histolytica.

Project description: Not available

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Identification of active microRNA/transcription factor feed-forward loops during human adipogenesis

Project description:This SuperSeries is composed of the following subset Series: GSE29182: Identification of active microRNA/transcription factor feed-forward loops during human adipogenesis (mRNA) GSE29185: Identification of active microRNA/transcription factor feed-forward loops during human adipogenesis (miRNA) Refer to individual Series

2011-12-20 | E-GEOD-29186 | biostudies-arrayexpress

Histological Chorioamnionitis Induces Differential Gene Expression in Human Cord Blood Mononuclear Leukocytes from Term Neonates

Project description:Human transcriptome array analysis of human cord blood mononuclear leokocytes from neonates exposed to histological chorioamnionitis and compared with healthy neonates Histological chorioamnionitis (HCA) is an infection of fetal membranes and complicates 5.2% to 28.5% of all live births. Exposure to HCA may have long-term consequences including an increased risk for allergic disorders and asthma later in childhood, the mechanism(s) of which are still not yet well understood. Our objective was to determine the mRNA transcriptome of cord blood mononuclear leukocytes from term neonates and identify key genes and pathways involved in HCA. We found several key genes differentially expressed with exposure to HCA. These transcriptomes included novel genes and pathways associated with exposure to HCA. The differential gene expression included the key genes regulating inflammatory, immune, respiratory and neurological pathways, which may contribute to disorders in those pathways in neonates exposed to HCA.

2019-04-05 | GSE120855 | GEO

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