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Subclinical Pregnancy Toxemia-Induced Gene Expression Changes in Ovine Placenta and Uterus.


ABSTRACT: The objective was to elucidate gene expression differences in uterus, caruncle, and cotyledon of ewes with subclinical pregnancy toxemia (SCPT) and healthy ewes, and to identify associated biological functions and pathways involved in pregnancy toxemia. On Day 136 (±1?day) post-breeding, ewes (n?=?18) had body condition score (BCS; 1-5; 1, emaciated; 5, obese) assessed, and blood samples were collected for plasma glucose and ?-hydroxybutyrate (BHBA) analyses. The ewes were euthanized, and tissue samples were collected from the gravid uterus and placentomes. Based on BCS (2.0?±?0.02), glucose (2.4?±?0.33), and BHBA (0.97?±?0.06) concentrations, ewes (n?=?10) were grouped as healthy (n?=?5) and subclinical SCPT (n?=?5) ewes. The mRNA expressions were determined by quantitative PCR method, and prediction of miRNA partners and target genes for the predicted miRNA were identified using miRDB (http://mirdb.org/miRDB/). Top ranked target genes were used to identify associated biological functions and pathways in response to SPCT using PANTHER. The angiogenesis genes VEGF and PlGF, and AdipoQ, AdipoR2, PPARG, LEP, IGF1, IGF2, IL1b, and TNF? mRNA expressions were lower in abundances, whereas hypoxia genes eNOS, HIF1a, and HIF 2a, and sFlt1 and KDR mRNA expressions were greater in abundances in uterus and placenta of SCPT ewes compared to healthy ewes (P?

SUBMITTER: Kasimanickam RK 

PROVIDER: S-EPMC5003868 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Subclinical Pregnancy Toxemia-Induced Gene Expression Changes in Ovine Placenta and Uterus.

Kasimanickam Ramanathan K RK  

Frontiers in veterinary science 20160830


The objective was to elucidate gene expression differences in uterus, caruncle, and cotyledon of ewes with subclinical pregnancy toxemia (SCPT) and healthy ewes, and to identify associated biological functions and pathways involved in pregnancy toxemia. On Day 136 (±1 day) post-breeding, ewes (n = 18) had body condition score (BCS; 1-5; 1, emaciated; 5, obese) assessed, and blood samples were collected for plasma glucose and β-hydroxybutyrate (BHBA) analyses. The ewes were euthanized, and tissue  ...[more]

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