Bos taurus
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ABSTRACT:
PROVIDER: PRJNA204977 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Evaluate the influence of maternal metabolism on gene expression profiles from extra-embryonic tissues at D18 Keyword: Holstein Heifers and Postpartum dairy cows, metabolism and energy status, elongation and gastrulation, extra-embryonic tissues, transcriptome, correlations between genes & metabolites?
2014-02-04 | GSE46940 | GEO
Project description:Evaluate the influence of maternal metabolism on gene expression profiles from extra-embryonic tissues at D18 Keyword: Holstein Heifers and Postpartum dairy cows, metabolism and energy status, elongation and gastrulation, extra-embryonic tissues, transcriptome, correlations between genes & metabolites? 8 replicates in GH, 11 replicates in ELC and 10 replicates in LLC (extra-embryonic tissues) per group of female (N=3) were hybridized (total N=29) against a placental reference that hybridized itself to 99% of the array. Hybridization design: 6 microarrays per experiment (N=5) were randomly hybridized to the EET from 2 conceptuses originating either from development in heifers, ELC or LLC. Extra-embryonic tissues were systematically labelled with Cy3 and Reference in Cy5.
2014-02-04 | E-GEOD-46940 | biostudies-arrayexpress
Project description:The hypothesis tested was that the uterine environment of lactating cows would affect conceptus gene expression. Approximately 65-75 days post-partum (dpp) the estrous cycles of non-lactating (dried off immediately post partum: n=12) and lactating (n=13) cows were synchronized and on Day 7 a high quality blastocyst derived from superovulated heifers was transferred. A control group of maiden heifers (n=8) were synchronized, inseminated to a standing heat and slaughtered on the same day as non-lactating and lactating recipients (Day 19; estrus=Day 0). The ipsilateral uterine horn was flushed with 10 ml PBS and the conceptus, when present, and uterine luminal fluid (ULF) snap frozen in liquid nitrogen prior to analysis. Gene expression analysis of the conceptus was performed by RNA sequencing analysis while amino acid (aa) composition of ULF was determined by High Performance Liquid Chromatography (HPLC). Eight differentially expressed genes (DEGs) were identified between conceptuses recovered from non-lactating cows versus heifers while 269 DEGs (100 up-regulated and 169 down-regulated) were identified between conceptuses recovered from lactating cows compared to heifers. The aa, alanine, glycine, serine and threonine, arginine, leucine and valine, were significantly lower in abundance in ULF recovered from heifers compared to both non-lactating or lactating cows. Glutamic acid, glutamine and lysine concentrations were lowest in heifers compared to both cow groups. This study demonstrates that exposure of a grade one embryo to a uterine environment that has been exposed to the metabolic stresses associated with lactation modifies the transcriptome of the conceptus and aa composition of the ULF.
2017-08-12 | GSE85563 | GEO
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