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Potential regulatory role of microRNAs in the development of bovine gastrointestinal tract during early life
Download2014
Liang, Guanxiang, Bao, Hua, Guan, Leluo, Griebel, Philip J., Stothard, Paul, McFadden, Thomas B., Malmuthuge, Nilusha
This study aimed to investigate the potential regulatory role of miRNAs in the development of gastrointestinal tract (GIT) during the early life of dairy calves. Rumen and small intestinal (mid-jejunum and ileum) tissue samples were collected from newborn (30 min after birth; n = 3), 7-day-old...
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Transcriptome microRNA profiling of bovine mammary epithelial cells challenged with Escherichia coli or Staphylococcus aureus bacteria reveals pathogen directed microRNA expression profiles
Download2014
Zhao, Xin, Liang, Guanxiang, Jin, Weiwu, Guan, Leluo, Beaudoin, Frédéric, Ibeagha-Awemu, Eveline M.
Background MicroRNAs (miRNAs) can post-transcriptionally regulate gene expression and have been shown to be critical regulators to the fine-tuning of epithelial immune responses. However, the role of miRNAs in bovine responses to E. coli and S. aureus, two mastitis causing pathogens, is not well...
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Roles of small RNAs in the effects of nutrition on apoptosis and spermatogenesis in the adult testis
Download2015
Malecki, Irek A., Martin, Graeme B., Cozens, Greg, Hawken, Penelope A.R., Liang, Guanxiang, Guan, Yongjuan, Vercoe, Philip E., Guan, Le Luo
We tested whether reductions in spermatozoal quality induced by under-nutrition are associated with increased germ cell apoptosis and disrupted spermatogenesis, and whether these effects are mediated by small RNAs. Groups of 8 male sheep were fed for a 10% increase or 10% decrease in body mass...
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The gut microbiome and its potential role in the development and function of newborn calf gastrointestinal tract
Download2015
Grebiel, Philip J., Malmuthuge, Nilusha, Guan, Leluo
A diverse microbial population colonizes the sterile mammalian gastrointestinal tract during and after the birth. There is increasing evidence that this complex microbiome plays a crucial role in the development of the mucosal immune system and influences newborn health. Microbial colonization is...
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Systematic microRNAome profiling reveals the roles of microRNAs in milk protein metabolism and quality: Insights on low-quality forage utilization
Download2016
Wang, Diming, Sun, Huizeng, Liu, Jianxin, Guan, Le Luo, Wang, Bing, Liang, Guanxiang
In this study, we investigated the molecular regulatory mechanisms of milk protein production in dairy cows by studying the miRNAomes of five key metabolic tissues involved in protein synthesis and metabolism from dairy cows fed high- and low-quality diets. In total, 340, 338, 337, 330, and 328...