BRCA1 mutation influences progesterone response in human benign mammary organoids.
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE131640 | GEO | 2019/12/10
REPOSITORIES: GEO
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Project description:BRCA1 mutation influences progesterone response in human benign mammary organoids.
| PRJNA544257 | ENA
Project description:H9 Pluripotent Stem Cells (PSC) were differentiated to Endometrial Stromal Fibroblasts (PSC-ESF) in monolayer over the course of 12 days. Gene expression was measured at day 0, day 4, day 8, and day 12 of differentiation. At day 12, PSC-ESF were dissociated from monolayer culture for co-culture with endometrial epithelial organoids established from term decidua. Gene expression was also measured after 26 days in co-culture (Cycle 1, vehicle or cAMP/progesterone/estradiol) and after 52 days in co-culture (Cycle 2, vehicle or cAMP/progesterone/estradiol)
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Project description:In this study, we sought to understand the effects of excess adipose on the benign endometrium. We used a physiologic in vitro coculture system consisting of multicellular organoids of the benign human endometrium and adipose spheroids in the presence of estradiol, progesterone, and testosterone to mimic the menstrual cycle. Gene expression analysis of endometrial organoids under high adiposity conditions revealed downregulation of genes normally expressed in secretory endometrium, suggestive of an altered progesterone response. Genes associated with ion homeostasis and detoxification of reactive oxygen species were also downregulated, including the metallothionein (MT) family of genes. We demonstrated that MT gene expression in endometrial organoids was regulated by progesterone specifically in the epithelial cells, and that progesterone receptor is recruited to the promoters of MT genes in endometrial epithelial cells. We illustrated the impact of MT dysregulation by silencing MT genes in endometrial epithelial cells, resulting in increased DNA damage. Our results reveal that exposing the endometrium to high adiposity can compromise the protective effects of progesterone, dysregulate MT genes in the endometrial epithelium, and leave the endometrium vulnerable to ROS-induced DNA damage.
2024-04-19 | GSE240926 | GEO
Project description:Background: Endometrial organoids are useful tools for studying endometrial biology but are derived from endoemtrial tissue obtained invasively from biopsies and mostly from women not taking hormonal medication. To increase the proportion of women from which endometrial organoids can be obtained, we sought to compare endometrial organoids derived from menstrual fluid and hormone-treated endometrium with standard endometrial organoids. Purpose: To determine if organoids derived from menstrual fluid and hormone-treated endometrium share features with standard endometrial organoids. Methods: RNA sequencing was performed on passage 3 day 7 menstrual fluid organoids (MFO), endometrial organoids from women taking hormonal medication (EMO-H) and standard endometrial organoids (EMO) Results: to determine if organoids derived from menstrual fluid and hormone-treated endometrium share features with staandard endometrial organoids. Conclusions: MFO and EMO-H did not cluster distinctly to EMO, indicating that they share features with EMO and may enable population-wide disease modelling. This is the first publicly available data set demonstrating the transcriptome of EMO-H.
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Project description:Roblitz2013 - Menstrual Cycle following GnRH analogue administration
The model describes the menstrual cycle feedback mechanisms. GnRH, FSH, LH, E2, P4, inbibins A and B, and follicular development are modelled. The model predicts hormonal changes following GnRH analogue administration. Simulation results agree with measurements of hormone blood concentrations. The model gives insight into mechanisms underlying gonadotropin supression.
This model is described in the article:
A mathematical model of the human menstrual cycle for the administration of GnRH analogues.
Röblitz S, Stötzel C, Deuflhard P, Jones HM, Azulay DO, van der Graaf PH, Martin SW.
J. Theor. Biol. 2013 Mar; 321: 8-27
Abstract:
The paper presents a differential equation model for the feedback mechanisms between gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), development of follicles and corpus luteum, and the production of estradiol (E2), progesterone (P4), inhibin A (IhA), and inhibin B (IhB) during the female menstrual cycle. Compared to earlier human cycle models, there are three important differences: The model presented here (a) does not involve any delay equations, (b) is based on a deterministic modeling of the GnRH pulse pattern, and (c) contains less differential equations and less parameters. These differences allow for a faster simulation and parameter identification. The focus is on modeling GnRH-receptor binding, in particular, by inclusion of a pharmacokinetic/pharmacodynamic (PK/PD) model for a GnRH agonist, Nafarelin, and a GnRH antagonist, Cetrorelix, into the menstrual cycle model. The final mathematical model describes the hormone profiles (LH, FSH, P4, E2) throughout the menstrual cycle of 12 healthy women. It correctly predicts hormonal changes following single and multiple dose administration of Nafarelin or Cetrorelix at different stages in the cycle.
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2013-11-22 | BIOMD0000000494 | BioModels
Project description:ovariectomized mice treated with E2+Progesterone, E2+Progesterone+TPA, E2+Progesterone+RU486 and sham for 14 days, followed by isolation of luminal mature, luminal progenitor and mammary stem cells through FACS and RNASeq performed for each cell lineage population. TPA and RU486 treated mice show significant decline in mammary stem cell pool pulation comapared to EP treated mice
2020-02-26 | GSE127197 | GEO
Project description:The aim of the experiment was to investigate the effects of stimulation of human endometrial organoids with estrogen (E2) and progesterone (P4) In humans, the endometrium, the uterine mucosal lining, undergoes dynamic changes throughout the menstrual cycle and in pregnancy. We adapted conditions used to establish human adult stem cell-derived organoid cultures to generate 3D cultures of human endometrium. Unlike other mucosal epithelia, the endometrium responds dramatically to ovarian sex hormones, estrogen (E2) and progesterone (P4), which regulate cyclical proliferation and differentiation of endometrial glands with concomitant dynamic temporal and spatial expression of their receptors, ERalpha and PR.
2017-04-11 | GSE94723 | GEO
Project description:To obtain a global analysis of the effect of TPA on the Progesterone Receptor (PR) cistrome
2018-12-26 | GSE113607 | GEO
Project description:Purpose: The goal of this study was to compare transcriptome profiles (RNA seq) from the vaginas of uninfected mice. The mice have had ovariectomy surgeries and hormone replacement (estradiol, progesterone, vehicle, or a combination of estradiol and progesterone). Methods: 6 week old female C57Bl/6J mice had ovariectomy surgeries and a week later, started hormone replacement treatment as mentioned above. After a week of hormones, the vaginas of all mice were removed and total RNA was extracted. RNA samples were sent for RNA sequencing. Results: Upon analysis, vehicle and progesterone treated mice had similar profiles. The progesterone treated group also had progesterone stimulated genes upregulated. Estradiol regulated genes were upregulated in the estradiol treated group and the estradiol and progesterone group had a mixture of both progesterone and estradiol stimulated genes upregulated. Conclusion: This data provided a data to ensure that our hormone replacement treatments were working by the expression of certain genes based on treatment.
2018-11-16 | GSE122591 | GEO
Project description:The human menstrual cycle can be divided into two major phases by the event of ovulation. Before ovulation, in the proliferative or follicular phase, the endometrium proliferates under the influence of estradiol produced by growing ovarian follicles. After ovulation, in the secretory or luteal phase, ovarian progesterone produced by the newly formed corpus luteum drives a process of differentiation during which the endometrium becomes competent to receive and support the growth of the embryo. Single-cell analyses at the RNA level from our group and others have begun to decipher cell-type specific expression in the endometrium. How these events are controlled at the chromatin level remains elusive, however. In this study, we applied single-cell assay for transposase-accessible chromatin using sequencing (scATAC-seq) to profile the epigenetic landscapes of human endometrial samples across the menstrual cycle.
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