Search Results - "Heyman, Y"

Large Offspring or Large Placenta Syndrome? Morphometric Analysis of Late Gestation Bovine Placentomes from Somatic Nuclear Transfer Pregnancies Complicated by Hydrallantois by Constant, F, Guillomot, M, Heyman, Y, Vignon, X, Laigre, P, Servely, J. L, Renard, J. P, Chavatte-Palmer, P

“…Somatic nuclear transfer (NT) in cattle is often complicated by fetal oversize (i.e., large offspring syndrome), hydrallantois, and placentomegaly in late…”
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Frequency and Occurrence of Late-Gestation Losses from Cattle Cloned Embryos by Heyman, Y, Chavatte-Palmer, P, LeBourhis, D, Camous, S, Vignon, X, Renard, J. P

“…Nuclear transfer from somatic cells still has limited efficiency in terms of live calves born due to high fetal loss after transfer. In this study, we…”
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Clinical, Hormonal, and Hematologic Characteristics of Bovine Calves Derived from Nuclei from Somatic Cells by Chavatte-Palmer, P, Heyman, Y, Richard, C, Monget, P, LeBourhis, D, Kann, G, Chilliard, Y, Vignon, X, Renard, J. P

“…Although healthy animals are born after nuclear transfer with somatic cells nuclei, the success of this procedure is generally poor (2%–10%) with high…”
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Transcervical collection of bovine embryos up to Day 21: An 8-year overview by Richard, C., Hue, I., Gelin, V., Neveux, A., Campion, E., Degrelle, S.A., Heyman, Y., Chavatte-Palmer, P.

“…Transcervical embryo collection is used routinely in the bovine species throughout the world to collect Day 6 to Day 9 embryos (early embryos) for genetic…”
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Altered secretion of pregnancy-associated glycoproteins during gestation in bovine somatic clones by Constant, F, Camous, S, Chavatte-Palmer, P, Heyman, Y, de Sousa, N, Richard, C, Beckers, J.F, Guillomot, M

“…Somatic nuclear transfer (NT) in cattle is often accompanied by severe placental anomalies, hypertrophy, and hydrallantois, which induce a high rate of…”
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In Vitro Embryo Production Efficiency in Cattle and Its Association with Oocyte Adenosine Triphosphate Content, Quantity of Mitochondrial DNA, and Mitochondrial DNA Haplogroup by Tamassia, M, Nuttinck, F, May-Panloup, P, Reynier, P, Heyman, Y, Charpigny, G, Stojkovic, M, Hiendleder, S, Renard, J-P, Chastant-Maillard, S

“…Mitochondria have a broad range of functions that affect reproduction, and structural as well as quantitative variation in mtDNA has been associated with…”
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Ultrasound fetal measurements and pregnancy associated glycoprotein secretion in early pregnancy in cattle recipients carrying somatic clones by Chavatte-Palmer, P., de Sousa, N., Laigre, P., Camous, S., Ponter, A.A., Beckers, J.-F., Heyman, Y.

“…Somatic cloning in the bovine species leads to high levels of fetal losses which occur throughout pregnancy. These losses are most often associated with fetal…”
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Characterization of thin poly(pyrrole-benzophenone) film morphologies electropolymerized on indium tin oxide coated optic fibers for electrochemical and optical biosensing by Konry, T., Heyman, Y., Cosnier, S., Gorgy, K., Marks, R.S.

“…We report that electropolymerization parameters (duration and voltage) modulate the properties and morphological structures of photoactive polymers which…”
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Social behavior and kin discrimination in a mixed group of cloned and non cloned heifers ( Bos taurus) by Coulon, M., Baudoin, C., Abdi, H., Heyman, Y., Deputte, B.L.

“…For more than ten years, reproductive biotechnologies using somatic cell nuclear transfer have made possible the production of cloned animals in various…”
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Onset of the First S-Phase Is Determined by a Paternal Effect During the G1-Phase in Bovine Zygotes by COMIZZOLI, P, MARQUANT-LE GUIENNE, B, HEYMAN, Y, RENARD, J. P

“…The aim of this study was to characterize the respective influences of the paternal and the maternal components on the timing of the first S-phase in the…”
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Nuclear transfer technologies: between successes and doubts by Renard, J.P., Zhou, Qi, LeBourhis, D., Chavatte-Palmer, P., Hue, I., Heyman, Y., Vignon, X.

“…Cloning of mammals by nuclear transfer can lead to the birth of healthy adult animals but more often compromises the development of the reconstructed embryos…”
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Assessing the quality of products from cloned cattle: An integrative approach by Heyman, Y., Chavatte-Palmer, P., Berthelot, V., Fromentin, G., Hocquette, J.F., Martignat, L., Renard, J.P.

“…Scientific expertise was developed during a 3-year study to evaluate a large number of bovine female clones ( n = 37; from 4 to 36 months of age) and their…”
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Low developmental capacity of in vitro matured and fertilized oocytes from calves compared with that of cows by Revel, F, Mermillod, P, Peynot, N, Renard, J P, Heyman, Y

“…The developmental competence of oocytes from 3-month-old calves was studied through in vitro maturation, fertilization and culture up to the blastocyst stage…”
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Evidence of oocyte donor cow effect over oocyte production and embryo development in vitro by Tamassia, M, Heyman, Y, Lavergne, Y, Richard, C, Gelin, V, Renard, JP, Chastant-Maillard, S

“…There have been few studies on a possible maternal influence on in vitro embryo production in cows. The objective of this study was to evaluate the maternal…”
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An in vivo culture system for human embryos using an encapsulation technology: a pilot study by Blockeel, C., Mock, P., Verheyen, G., Bouche, N., Le Goff, Ph, Heyman, Y., Wrenzycki, C., Höffmann, K., Niemann, H., Haentjens, P., de Los Santos, M.J., Fernandez-Sanchez, M., Velasco, M., Aebischer, P., Devroey, P., Simón, C.

“…BACKGROUND Animal studies have demonstrated better embryo development in vivo than in vitro. This pilot study tested the feasibility of using a novel in utero…”
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Sexing and multiple genotype analysis from a single cell of bovine embryo by Chrenek, P., Boulanger, L., Heyman, Y., Uhrin, P., Laurincik, J., Bulla, J., Renard, J.-P.

“…We described a procedure for multiple genotype analysis (determination of sex and of three genetic markers) from a single cell derived from bovine…”
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Expression of components of the insulin-like growth factor system and gonadotropin receptors in bovine cumulus–oocyte complexes during oocyte maturation by Nuttinck, F, Charpigny, G, Mermillod, P, Loosfelt, H, Meduri, G, Freret, S, Grimard, B, Heyman, Y

“…IGF system expression has been largely explored in the bovine follicular wall whereas it remains poorly studied in the COC. Using semi-quantitative RT–PCR and…”
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Comparison of cloned and non-cloned Holstein heifers in muscle contractile and metabolic characteristics by Jurie, C, Picard, B, Heyman, Y, Cassar-Malek, I, Chavatte-Palmer, P, Richard, C, Hocquette, J.F

“…Muscle contractile and metabolic characteristics were studied on nine cloned and eight non-cloned (control) heifers. The animals were submitted to repeated…”
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Quality and safety of bovine clones and their products by Heyman, Y., Chavatte-Palmer, P., Fromentin, G., Berthelot, V., Jurie, C., Bas, P., Dubarry, M., Mialot, J. P., Remy, D., Richard, C., Martignat, L., Vignon, X., Renard, J. P.

“…A multidisciplinary research programme was developed to get a scientific expertise for the quality assessment of products obtained from cloned livestock…”
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Attempt to rescue sex-reversal by transgenic expression of the PISRT1 gene in XX PIS-/- goats by Boulanger, L, Kocer, A, Daniel, N, Pannetier, M, Chesné, P, Heyman, Y, Renault, L, Mandon-Pépin, B, Chavatte-Palmer, P, Vignon, X, Vilotte, J-L, Cotinot, C, Renard, J-P, Pailhoux, E

“…The Polled Intersex Syndrome (PIS mutation) in goats leads to an absence of horn and to an early sex-reversal of the XX gonads. This mutation is a deletion of…”
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