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Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes [Agilent-018932]

ABSTRACT: We undertook gene expression microarray experiments to identify genes that are differentially expressed in different placental and fetal tissue, and resting and Pokeweed Mitogen (PWM) stimulated horse lymphocytes. Conceptus tissues were dissected to obtain chorionic girdle, chorion, and fetal tissue. Freshly isolated horse peripheral blood lymphocytes were split and harvested immediately, or stimulated with PWM and harvested over a five day period. These experiments utilized a custom Agilent horse array designed in house that featured >14,000 probes on an 8x15k array format. Several genes were selected from the results for validation by quantitative real-time PCR. QPCR results matched the microarray results very closely.

ORGANISM(S): Equus caballus

PROVIDER: GSE35741 | GEO | 2012/02/14

SECONDARY ACCESSION(S): PRJNA155667

REPOSITORIES: GEO

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Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes [Agilent-018932]

Project description:We undertook gene expression microarray experiments to identify genes that are differentially expressed in different placental and fetal tissue, and resting and Pokeweed Mitogen (PWM) stimulated horse lymphocytes. Conceptus tissues were dissected to obtain chorionic girdle, chorion, and fetal tissue. Freshly isolated horse peripheral blood lymphocytes were split and harvested immediately, or stimulated with PWM and harvested over a five day period. These experiments utilized a custom Agilent horse array designed in house that featured >14,000 probes on an 8x15k array format. Several genes were selected from the results for validation by quantitative real-time PCR. QPCR results matched the microarray results very closely. Four Day 33-35 chorionic girdle RNAs were compared to matching chorion RNAs, and fetal tissue from two of the conceptuses. Gene expression in resting lymphocytes was compared to gene expression in PWM treated lymphocytes.

2012-02-14 | E-GEOD-35741 | biostudies-arrayexpress

Gene expression variation in horse placental tissue, and resting and stimulated horse lymphocytes [Agilent-021322]

Project description:We undertook gene expression microarray experiments to identify genes that are differentially expressed in invasive (Chorionic Girdle) and non-invasive (Chorion) placental tissue, and resting and Pokeweed Mitogen (PWM) stimulated horse lymphocytes. Conceptus tissues were dissected to obtain chorionic girdle, and chorion. Freshly isolated horse peripheral blood lymphocytes were split and harvested immediately, or stimulated with PWM and harvested over a five day period. These experiments utilized a commercially available Agilent horse array that featured >43,000 probes on a 4x44k array format. Three day 33-35 chorionic girdle RNAs were compared to matching chorion RNAs. Gene expression in resting lymphocytes was compared to gene expression in PWM treated lymphocytes.

2012-02-14 | E-GEOD-35742 | biostudies-arrayexpress

Gene expression variation in horse placental tissue, and resting and stimulated horse lymphocytes [Agilent-021322]

2012-02-14 | GSE35742 | GEO

Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes

Project description:This SuperSeries is composed of the following subset Series: GSE35741: Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes [Agilent-018932] GSE35742: Gene expression variation in horse placental tissue, and resting and stimulated horse lymphocytes [Agilent-021322] Refer to individual Series

2012-02-14 | E-GEOD-35743 | biostudies-arrayexpress

Profiling of differential allelic expression in horse, donkey, mule, and hinny placental tissues.

Project description:In eutherian mammals, dosage compensation of X-linked genes is achieved by X chromosome inactivation. X inactivation is random in embryonic and adult tissues, but imprinted X inactivation (paternal X silencing) has been identified in the extraembryonic membranes of the mouse, rat, and cow. Few other species have been studied for this trait, and the data from studies of the human placenta have been discordant or inconclusive. Here, we quantify X inactivation using RNA sequencing of placental tissue from reciprocal hybrids of horse and donkey (mule and hinny). In placental tissue from the equid hybrids and the horse parent the allelic expression pattern was consistent with random X inactivation, and imprinted X inactivation can clearly be excluded. We characterized horse and donkey XIST gene, and demonstrated that XIST allelic expression in female hybrid placental and fetal tissues is negatively correlated with the other X-linked genes chromosome-wide, which is consistent with the XIST-mediated mechanism of X inactivation discovered previously in mice. As the most structurally and morphologically diverse organ in mammals, the placenta also appears to show diverse mechanisms for dosage compensation that may result in differences in conceptus development across species. Examine allelic expression from individual samples of invasive trophoblast tissue of the chorionic girdle from gestation day 33-34 conceptuses of 5 horses, 3 donkeys, 6 mules, and 1 hinny.

2012-05-29 | E-GEOD-36352 | biostudies-arrayexpress

Project description:Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes

| PRJNA152203 | ENA

Equus caballus

Project description:Gene expression variation in horse placental and fetal tissue, and resting and stimulated horse lymphocytes [Agilent-018932]

| PRJNA155667 | ENA

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Project description:The Origin of a Coastal Indigenous Horse Breed in China Revealed by Genome-Wide SNP Data

2019-03-16 | GSE128374 | GEO

Genome-wide SNP data of Chinese indigenous horse breed (additional horse samples)

Project description:The Origin of a Coastal Indigenous Horse Breed in China Revealed by Genome-Wide SNP Data

2019-03-16 | GSE128373 | GEO