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Examining Sex Differences in the Human Placental Transcriptome During the First Fetal Androgen Peak

ABSTRACT: Examining Sex Differences in the Human Placental Transcriptome During the First Fetal Androgen Peak

PROVIDER: PRJNA671739 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12893460.fastq.gz	Fastqsanger.gz
	SRR12893461.fastq.gz	Fastqsanger.gz
	SRR12893462.fastq.gz	Fastqsanger.gz
	SRR12893463.fastq.gz	Fastqsanger.gz
	SRR12893464.fastq.gz	Fastqsanger.gz

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Examining Sex Differences in the Human Placental Transcriptome During the First Fetal Androgen Peak

Project description:Sex differences in human placenta exist from early pregnancy to term. However, it is unclear whether these differences are driven solely by sex chromosome complement or are subject to differential sex hormonal regulation. Here, we survey the human chorionic villus (CV) transcriptome for sex-linked signatures from 11 to 16 gestational weeks, corresponding to the first window of increasing testis-derived androgen production in male fetuses.

2020-10-27 | GSE160076 | GEO

Transcription profiling of human placenta isolated from first time mothers with placental malaria

Project description:Chronic inflammation during placental malaria (PM) caused by Plasmodium falciparum is most frequent in first-time mothers and is associated with poor maternal and fetal outcomes. In the first genome wide analysis of the local human response to sequestered malaria parasites, we identified genes associated with chronic PM, then localized the corresponding proteins and immune cell subsets in placental cryosections. Experiment Overall Design: Placental samples from twenty first-time mothers were selected based on placental malaria (PM) status and RNA quality. Ten had active PM-episodes, seven of which had inflammatory cells on histology. Of the ten PM-negative women, five had histological evidence of a past PM-episode, including one with inflammatory cells.

2008-06-15 | E-GEOD-7586 | biostudies-arrayexpress

Whole-transcriptome profiling analysis of first trimester placental villi in Indian women

Project description:Whole-transcriptome profiles of individual human placental villi samples from twenty-five (25) Indian women with normal pregnancies during 6- to 8-weeks of gestation were examined using human whole genome expression arrays (NimbleGen 135K). The present study focused on the whole-transcriptome profiling using NimbleGen135K (070925_HG18_exp__12X135K) human whole genome expression arrays of individual human placental villi samples obtained from twenty-five (25) proven-fertile women bearing normal pregnancies voluntarily terminated between 6- and 8-weeks of gestation. Gestational age was estimated from menstrual history, physical and ultrasonographic evaluation. No case of complicated pregnancy from infection, and other significant fetal and maternal clinical indications was included. These twenty five (25) samples include biological replicates of 6, 7 and 8 weeks placental villi samples.

2013-01-09 | E-GEOD-37653 | biostudies-arrayexpress

46,XY sex reversed females with complete androgen insensitivity syndrome

Project description:This gene set contains skin fibroblasts from either labia majora of 46,XY sex reversed females having complete androgen insensitivity syndrome due to inactivation mutations of the androgen receptor gene and from the scrotum of normal males. Both, labia majora and scrotum origin from the same embryological anlagen, the labioscrotal swellings. The phenotypic difference is due to androgen dependent virilization in males. This is not possible in 46,XY patients with complete androgen insensitivity syndrome because the androgen receptor pathway is knocked out. A cell type comparison design experiment design type compares cells of different type for example different cell lines. Cell Line: genital skin fibroblasts from different locations mutant line: normal 46,XY male and 46,XY sex reversed female due to inactivating mutations of the androgen receptor gene Computed

2010-06-25 | E-GEOD-6797 | biostudies-arrayexpress

H. sapiens First trimester placental villous explant 0conditioned media; galectin-7/BSA treatment; 2% O2

Project description:Identification of factors in conditioned media of first-trimester placental villous explants. Explants were cultured under hypoxia (2% O2), 5% CO2 in serum-free DMEM/F12 and treated with recombinant galectin-7 (1ug/ml) or vehicle control (BSA) for 72h. Identification of factors in conditioned media of first-trimester placental villous explants. Explants were cultured under superoxia (20% O2), 5% CO2 in serum-free DMEM/F12 and treated with recombinant galectin-7 (1ug/ml) or vehicle control (BSA) for 72h.

2021-04-20 | PXD019331 | Pride

46,XY sex reversed females with complete androgen insensitivity syndrome

2007-10-20 | GSE6797 | GEO

Global placental gene expression profiling in the first and third trimesters of normal human pregnancy

Project description:The human placenta is a rapidly developing organ with a relatively short life span that performs multiple functions until birth. Investigations into molecular mechanisms that control placental plasticity during its maturation might be useful in understanding patho-physiology of pregnancy-specific disorders. We hypothesized that molecular rearrangements and phenotypic adaptations that are necessary for normal placental development and maturation are reflected in its genotype. Our objective was to investigate global gene expression profile in the first and third trimester normal human placentas. 21 women were recruited with uncomplicated pregnancies that were delivered at term and 16 healthy women undergoing surgical abortion at 9-12 weeks gestation. We compared global placental gene expression profile by Human Genome Survey Microarray v.2.0 (Applied Biosystems). A total of 37 hybridisations were performed applying direct comparison design.

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Prenatal Exposure to Metals Alters the Placental Inflammatory Proteome in a Sex-Dependent Manner in Extremely Low Gestational Age Newborns

Project description:Prenatal exposure to toxic metals is associated with altered placental function and adverse health outcomes. The underlying mechanisms linking in utero toxic metal exposures with later-in-life health remain unclear, though placental inflammation is posited as a potential driver. The aim of this study was to evaluate whether in utero metals presence is associated with sex-specific changes in placental protein expression. We hypothesized that sex-specific patterns of metal-associated placental protein expression would be observed, and metals presence would be positively associated with the altered expression of inflammation-associated pathways Using samples banked from the Extremely Low Gestational Age Newborn Study (ELGAN), umbilical cord tissue samples were analyzed via ICP-MS/MS for trace elements, and placental samples underwent a global untargeted proteomics analysis via LC-MS/MS. This work highlights the linkage between prenatal metals exposure and an altered placental proteome, revealing that metals in cord tissue were associated with largely distinct differences in placental protein expression, in a sexually-dimorphic manner.

2023-10-24 | PXD041694 | Pride

Sex Bias in CNS Autoimmune Disease Mediated by Androgen Control of Autoimmune Regulator

Project description:Male gender is protective against multiple sclerosis and other T cell-mediated autoimmune diseases. This protection may be due, in part, to higher androgen levels in males. Androgen binds to the androgen receptor (AR) to regulate gene expression, but how androgen protects against autoimmunity is not well-understood. Autoimmune Regulator (Aire) prevents autoimmunity by promoting self-antigen expression in medullary thymic epithelial cells, such that developing T cells that recognize these self-antigens within the thymus undergo clonal deletion. Here, we show that androgen upregulates Aire-mediated thymic tolerance to protect against autoimmunity. Androgen recruits AR to Aire promoter regions, with consequent enhancement of Aire transcription. In mice and humans, thymic Aire expression is higher in males compared to females. Androgen administration and male gender protect against autoimmunity in a multiple sclerosis mouse model in an Aire-dependent manner. Thus, androgen control of an intrathymic Aire-mediated tolerance mechanism contributes to gender differences in autoimmunity. RNA-seq comparison of male vs. female expression in mTEC cells. Pools of 10 mice each were used for each replicate (two for male and two for female)

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placental transcriptome

Project description:placental transcriptome

| PRJNA737774 | ENA