Dataset Information

Characterization of the Transcriptional Complexity of the Receptive and Pre-receptive Endometria of Dairy Goats.

ABSTRACT: Endometrium receptivity is essential for successful embryo implantation in mammals. However, the lack of genetic information remains an obstacle to understanding the mechanisms underlying the development of a receptive endometrium from the pre-receptive phase in dairy goats. In this study, more than 4 billion high-quality reads were generated and de novo assembled into 102,441 unigenes; these unigenes were annotated using published databases. A total of 3,255 unigenes that were differentially expressed (DEGs) between the PE and RE were discovered in this study (P-values < 0.05). In addition, 76,729-77,102 putative SNPs and 12,837 SSRs were discovered in this study. Bioinformatics analysis of the DEGs revealed a number of biological processes and pathways that are potentially involved in the establishment of the RE, notably including the GO terms proteolysis, apoptosis, and cell adhesion and the KEGG pathways Cell cycle and extracellular matrix (ECM)-receptor interaction. We speculated that ADCY8, VCAN, SPOCK1, THBS1, and THBS2 may play important roles in the development of endometrial receptivity. The de novo assembly provided a good starting point and will serve as a valuable resource for further investigations into endometrium receptivity in dairy goats and future studies on the genomes of goats and other related mammals.

SUBMITTER: Zhang L

PROVIDER: S-EPMC4571617 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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Characterization of the Transcriptional Complexity of the Receptive and Pre-receptive Endometria of Dairy Goats.

Zhang Lei L An Xiao-Peng XP Liu Xiao-Rui XR Fu Ming-Zhe MZ Han Peng P Peng Jia-Yin JY Hou Jing-Xing JX Zhou Zhan-Qin ZQ Cao Bin-Yun BY Song Yu-Xuan YX

Scientific reports 20150916

Endometrium receptivity is essential for successful embryo implantation in mammals. However, the lack of genetic information remains an obstacle to understanding the mechanisms underlying the development of a receptive endometrium from the pre-receptive phase in dairy goats. In this study, more than 4 billion high-quality reads were generated and de novo assembled into 102,441 unigenes; these unigenes were annotated using published databases. A total of 3,255 unigenes that were differentially ex ...[more]

PMID: 26373443

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Project description:The high propensity of dietary polyunsaturated fatty acids (PUFA) to oxidation can induce a cascade of cellular immune-oxidative imbalances. On the other hand, PUFA, namely docosapentaenoic acid (ω6-DPA) and docosahexaenoic acid (DHA) can exert immunomodulatory effects by suppressing a pro-inflammatory response. Thus, the objective of this study was to investigate the effect of dietary supplementation with Schizochytrium spp. levels, rich in both ω6-DPA and DHA on the transcriptional profiling of genes involved in oxidative homeostasis and innate immunity of dairy goats' monocytes and neutrophils. Twenty-four dairy goats were divided into four homogeneous sub-groups; the diet of the control group (CON) had no Schizochytrium spp. while those of the treated groups were supplemented daily with 20 (ALG20), 40 (ALG40), and 60 (ALG60) g/goat/day. The mRNA levels of MGST1 in neutrophils were downregulated (p = 0.037), while in monocytes, SOD2 and SOD3 were downregulated (p = 0.010 and p = 0.044, respectively) in ALG60 compared to the CON group. GPX2 mRNA levels were downregulated (p = 0.036) in ALG20 and ALG60 compared to the CON group in neutrophils. NOX1 was upregulated (p = 0.043) in the neutrophiles of ALG60-goats. NOX2 was upregulated (p = 0.042) in the monocytes of ALG40-fed goats, while higher (p = 0.045) levels were also found in the ALG60 group in neutrophils. The mRNA levels of COX2 were downregulated (p = 0.035) in monocytes of the ALG40 and ALG60 groups. The mRNA levels of PTGER2 were also downregulated (p = 0.004) in monocytes of Schizochytrium-fed goats, while in neutrophils, significant downregulation (p = 0.024) was only found for ALG60 compared to the CON group. ALOX5AP mRNA levels were significantly decreased (p = 0.033) in ALG60 compared to the CON group in monocytes. LTA4H mRNA levels were increased (p = 0.015) in ALG60 compared to ALG20 and ALG40 groups in monocytes, while in neutrophils, a significant downregulation (p = 0.028) was observed in ALG20 compared to the CON group. The inclusion of more than 20 g Schizochytrium spp./day in goats' diet induced imbalances in mechanisms that regulate the antioxidant system, while downregulated the expression of pro-inflammatory pathways in monocytes and neutrophils.

Dataset Information

Characterization of the Transcriptional Complexity of the Receptive and Pre-receptive Endometria of Dairy Goats.

Publications

Characterization of the Transcriptional Complexity of the Receptive and Pre-receptive Endometria of Dairy Goats.

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