Search Results - "Boland, MP"

Oocyte and Embryo Quality: Effect of Origin, Culture Conditions and Gene Expression Patterns by Lonergan, P, Rizos, D, Gutierrez-Adan, A, Fair, T, Boland, MP

“…Contents In general, the majority of immature bovine oocytes fail to develop to the blastocyst stage following maturation, fertilization and culture in vitro…”
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Temporal sensitivity of bovine embryos to culture environment after fertilization and the implications for blastocyst quality by Lonergan, P, Rizos, D, Kanka, J, Nemcova, L, Mbaye, AM, Kingston, M, Wade, M, Duffy, P, Boland, MP

“…The aim of this study was to examine the temporal sensitivity of bovine embryos to culture environment after fertilization to determine which period, if any,…”
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Influence of nutrition on the effectiveness of superovulation programmes in ewes: effect on oocyte quality and post-fertilization development by Lozano, JM, Lonergan, P, Boland, MP, O'Callaghan, D

“…Two experiments were carried out to study the effect of nutrition on embryo development in two periods in superovulated ewes (Expt 1) and on oocyte…”
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Effect of nutrition and superovulation on oocyte morphology,follicular fluid composition and systemic hormone concentrations in ewes by O'Callaghan, D, Yaakub, H, Hyttel, P, Spicer, L.J, Boland, M.P

“…The objective was to determine the effect of dietary intake on follicle and oocyte morphology in unstimulated and superovulated ewes. Fifty-four ewes were fed…”
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Consequences of bovine oocyte maturation, fertilization or early embryo development in vitro versus in vivo: Implications for blastocyst yield and blastocyst quality by Rizos, Dimitrios, Ward, Fabian, Duffy, Pat, Boland, Maurice P., Lonergan, Patrick

“…The aim of this study is to examine the effect of bovine oocyte maturation, fertilization or culture in vivo or in vitro on the proportion of oocytes reaching…”
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Bovine embryo culture in the presence or absence serum: implications for blastocyst development, cryotolerance, and messenger RNA expression by Rizos, D, Gutierrez-Adan, A, Perez-Garnelo, S, Fuente, J. de la, Boland, M.P, Lonergan, P

“…We have previously shown that, while the intrinsic quality of the oocyte is the main factor affecting blastocyst yield during bovine embryo development in…”
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Factors affecting recovery and quality of oocytes for bovine embryo production in vitro using ovum pick-up technology by Ward, FA, Lonergan, P, Enright, BP, Boland, MP

“…In Experiment 1, different vacuum pressures (30, 50, 70 and 90 mm Hg) were used to aspirate 4156 bovine follicles in vitro, to assess their effect on flow rate…”
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Temporal Divergence in the Pattern of Messenger RNA Expression in Bovine Embryos Cultured from the Zygote to Blastocyst Stage In Vitro or In Vivo by LONERGAN, P, RIZOS, D, GUTIERREZ-ADAN, A, MOREIRA, P. M, PINTADO, B, DE LA FUENTE, J, BOLAND, M. P

“…The objective of this study was to examine the time during the postfertilization period that gene expression patterns in in vitro-cultured bovine embryos…”
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Analysis of Differential Messenger RNA Expression Between Bovine Blastocysts Produced in Different Culture Systems: Implications for Blastocyst Quality by RIZOS, D, LONERGAN, P, BOLAND, M. P, ARROYO-GARCIA, R, PINTADO, B, DE LA FUENTE, J, GUTIERREZ-ADAN, A

“…Using reverse transcriptase-amplified fragment length polymorphism (RT-AFLP) analysis of differential mRNA expression and semiquantitative reverse…”
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Effect of nutrition on endocrine parameters, ovarian physiology, and oocyte and embryo development by Boland, M.P., Lonergan, P., O'Callaghan, D.

“…Reproductive efficiency in high yielding dairy cows has decreased over the past 50 years, despite significant gains in genetic selection for increased milk…”
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Effects of ovarian follicle ablation on FSH, oestradiol and inhibin A concentrations and growth of other follicles in sheep by Evans, AC, Flynn, JD, Duffy, P, Knight, PG, Boland, MP

“…The aim of this study was to examine the effect of removal of the largest follicle or all visible follicles during the first follicle wave on subsequent…”
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The Genes Induced by Signal Transducer and Activators of Transcription (STAT)3 and STAT5 in Mammary Epithelial Cells Define the Roles of these STATs in Mammary Development by Clarkson, Richard W. E, Boland, Marion P, Kritikou, Ekaterini A, Lee, Jennifer M, Freeman, Tom C, Tiffen, Paul G, Watson, Christine J

“…Prolactin and leukemia inhibitory factor (LIF) have different roles in the adult mammary gland, which are mediated in part by the signal transducers and…”
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Effects of superovulated heifer diet type and quantity on relative mRNA abundances and pyruvate metabolism in recovered embryos by WRENZYCKI, C, DE SOUSA, P, OVERSTRÖM, E. W, DUBY, R. T, HERRMANN, D, WATSON, A. J, NIEMANN, H, O'CALLAGHAN, D, BOLAND, M. P

“…This study investigated the effects of quantity and type of diet fed to superovulated donor heifers on molecular and metabolic indices of embryonic…”
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Developmental, qualitative, and ultrastructural differences between ovine and bovine embryos produced in vivo or in vitro by Rizos, Dimitrios, Fair, Trudee, Papadopoulos, Serafeim, Boland, Maurice P., Lonergan, Patrick

“…The objective of this study was to compare bovine and ovine oocytes in terms of (1) developmental rates following maturation, fertilization, and culture in…”
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Effect of speed of development on mRNA expression pattern in early bovine embryos cultured in vivo or in vitro by Gutiérrez-ad´n, A., Rizos, D., Fair, T., Moreira, P.N., Pintado, B., Fuente, J. de la, Boland, M.P., Lonergan, P.

“…Recent data have demonstrated that fast‐cleaving embryos produced in vitro are more likely to develop to blastocyst stage, and that the postfertilization…”
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STAT1: A modulator of chemotherapy-induced apoptosis by THOMAS, Michelle, FINNEGAN, Clodagh E, ROGERS, Katherine M.-A, PURCELL, James W, TRIMBLE, Anne, JOHNSTON, Patrick G, BOLAND, Marion P

“…The anthracyclines, such as doxorubicin, are widely used in the treatment of breast cancer. Previously, we showed that these drugs could activate the…”
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Suppressed expression of genes involved in transcription and translation in in vitro compared with in vivo cultured bovine embryos by Corcoran, D, Fair, T, Park, S, Rizos, D, Patel, O V, Smith, G W, Coussens, P M, Ireland, J J, Boland, M P, Evans, A C O, Lonergan, P

“…In vivo-derived bovine embryos are of higher quality than those derived in vitro. Many of the differences in quality can be related to culture…”
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Effect of nutrition and superovulation on oocyte morphology, follicular fluid composition and systemic hormone concentrations in ewes by O'Callaghan, D, Yaakub, H, Hyttel, P, Spicer, LJ, Boland, MP

“…The objective was to determine the effect of dietary intake on follicle and oocyte morphology in unstimulated and superovulated ewes. Fifty-four ewes were fed…”
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Effect of exogenous LH pulses on the fate of the first dominant follicle in postpartum beef cows nursing calves by DUFFY, P, CROWE, M. A, BOLAND, M. P, ROCHE, J. F

“…Prolonged postpartum anoestrus in beef cows is due to failure of early dominant follicles to ovulate. It is hypothesized that this failure to ovulate is due to…”
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Effect of time interval from insemination to first cleavage on the developmental characteristics, sex ratio and pregnancy rate after transfer of bovine embryos by Lonergan, P, Khatir, H, Piumi, F, Rieger, D, Humblot, P, Boland, M P

“…In vitro produced bovine zygotes show substantial variation in the time required to complete the first cell cycle and in their in vitro development potential…”
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