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Peer Reviewed
See detailLa méiose chez la femelle de mammifère
Ectors, Fabien ULg; Koulischer, Lucien

in Popescu, Paul; Hayes, Hélène; Dutrillaux, Bernard (Eds.) Techniques de cytogénétique animale (1998)

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See detailMeiotic Analysis of the Germplasm of three Medicinal Species from the Asteraceae Family
Olkoski, D; Laughinghouse IV, Haywood ULg; Silva, ACF et al

in Ciencia Rural (2008), 38(6), 1777-1780

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See detailMeiotic segregation analysis in cow heterozygotes for the t(1;29) Robertsonian translocation
Bonnet-Garnier, A; Lacaze, S; Beckers, Jean-François ULg et al

in Chromosome Research : An International Journal on the Molecular, Supramolecular and Evolutionary Aspects of Chromosome Biology (2007), 15(2), 87

Heterozygotes for Robertsonian translocations have usually a normal phenotype but show variable decrease in fertility. In humans, meiotic segregation studies carried out in male carriers reveal a majority ... [more ▼]

Heterozygotes for Robertsonian translocations have usually a normal phenotype but show variable decrease in fertility. In humans, meiotic segregation studies carried out in male carriers reveal a majority of balanced spermatozoa. The rate of unbalanced segregation products appears higher in females than in males, but the number of human oocytes analysed so far remains limited (about 100). The occurrence of the t(1;29) translocation in several cattle breeds makes bovines an interesting animal model to study the meiotic segregation in female carrier of Robertsonian translocations. The aim of our project is thus to assess the rates of unbalanced oocytes produced by four cows and to compare these values with those obtained in bulls carriers of the same translocation. The superstimulated cows were subjected to twenty um pick up (OPU) sessions. Dual colour whole chromosome painting probes for BTA1 and 29 were hybridized on oocytes preparations. To date, 649 oocytes have been matured in vitro and 500 successfully spread. Among the 266 oocytes analysed by FISH so far: 201 (75,5%) are balanced, including 105 translocated and 96 normal, 55 are diploid (20.7%), and 10 unbalanced (3.8%). The proportion of balanced oocytes is lower than the average proportion of balanced spermatozoa estimated for two heterozygous bulls (97.1%). This difference is essentially due to a higher rate of diploid oocytes (20.7% vs 0.04% diploid spermatozoa). The origin of observed differences in the segregation profiles of the two sexes, as well as the practical implications of these results for genetic counselling and cattle breeding are discussed. [less ▲]

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See detailMeiotic segregation analysis in cows carrying the t(1;29) Robertsonian translocation.
Bonnet-Garnier, A; Lacaze, S; Beckers, Jean-François ULg et al

in Cytogenetic & Genome Research (2008), 120

Heterozygous carriers of Robertsonian translocations generally have a normal phenotype but present reproductive failure. In cattle, the t(1;29) Robertsonian translocation is very common and carriers show ... [more ▼]

Heterozygous carriers of Robertsonian translocations generally have a normal phenotype but present reproductive failure. In cattle, the t(1;29) Robertsonian translocation is very common and carriers show a 3-5% decrease in fertility. Some data suggest that female carriers have a higher decrease than male carriers but no direct studies of the chromosome content of oocytes from a t(1;29) carrier cow have been performed so far. Four heterozygous carrier cows underwent hormonal stimulations and follicles punctions and about 800 oocytes were matured in vitro. Six hundred metaphase II preparations were obtained and analysed by fluorescent in situ hybridization with bovine chromosome 1 and 29 painting probes. Proportions of different kinds of oocytes were assessed: 74.11% (292/394) were normal and balanced, 4.06% (16/394) unbalanced and 21.83% (86/394) diploid. For all cows, the number of normal oocytes was not significantly different from the number of translocated oocytes but the diploidy and unbalanced rate were significantly different between them. As found in bulls, the meiotic segregation pattern in cows has shown a preponderance of alternate products. However, the frequency of unbalanced gametes determined in females (4.06%) was significantly higher than the frequency observed in males (2.76%). The divergence in the rate of diploid gametes (0.04% vs. 21.83%) is mainly explained by the difference between males and females. [less ▲]

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See detailHet meisje dat ik Ursula noem. Paul van Ostaijens 'Jong landschap' re-revisited
Spinoy, Erik ULg

in Kunst & Cultuur (1996), 29(2), 16-20

This is a rereading of a famous late poem by the Flemish expressionist Paul van Ostaijen.

Detailed reference viewed: 75 (1 ULg)
Peer Reviewed
See detailDe meisje heeft de boek niet gelezen, maar wel het krant. Genus in het Nederlands van anderstaligen
Rasier, Laurent ULg; Hiligsmann, Philippe

Conference (2009)

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Peer Reviewed
See detailMélancolie et dépression : étude phénoménologique
Ramackers, Amélia; Englebert, Jérôme ULg

Poster (2014, October 17)

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See detailLe mélange diphénylborate d'aminoéthanol-PEG 400: Un intéressant réactif de révélation des flavonoïdes
Brasseur, Thierry; Angenot, Luc ULg

in Journal of Chromatography (1986), 351

NP/PEG reagent is very useful for the chromatographic identification of various classes of flavonoids.

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See detailLe mélange épicéa-douglas, une association intéressante pour le sylviculteur ? 1ère partie
Colson, Vincent ULg; Claessens, Hugues ULg; Pauwels, D. et al

in Silva Belgica (2002), 109(3), 34-38

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See detailLe mélange épicéa-douglas, une association intéressante pour le sylviculteur ? 2e partie
Colson, Vincent ULg; Claessens, Hugues ULg; Pauwels, D. et al

in Silva Belgica (2002), 109(4), 25-31

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See detailMélanges fleuris et insectes auxiliaires
Francis, Frédéric ULg; Colignon, P.; Haubruge, Eric ULg

in Canard Déchaîné du Kauwberg (Le) (2004), 50

Detailed reference viewed: 38 (3 ULg)
See detailMélanges Fritz Sturm
Gerkens, Jean-François ULg

Book published by Editions Juridiques de l'Université de Liège (1999)

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See detailMélanges Fritz Sturm, compte rendu d’ouvrage
Langenaken, Evelyne ULg

in Actualités du droit (2001)

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Peer Reviewed
See detailMélanges Philippe Minguet
Duchesne, Jean-Patrick ULg

in Art&fact (1999), 18

Detailed reference viewed: 38 (4 ULg)
See detailMélanges Philippe Minguet
Duchesne, Jean-Patrick ULg; Durand, Pascal ULg; Steinmetz, Rudy ULg

Book published by Art&Fact (1999)

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Peer Reviewed
See detailMélanges Pierre Colman
Duchesne, Jean-Patrick ULg

in Art&fact (1996), 15

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See detailMelanin-concentrating hormone and immune function
Lakaye, Bernard ULg; Coumans, Bernard ULg; Harray, Sophie ULg et al

in Peptides (2009), 30

To date,melanin-concentrating hormone (MCH) has been generally considered as peptide acting almost exclusively in the central nervous system. In the present paper, we revise the experimental evidence ... [more ▼]

To date,melanin-concentrating hormone (MCH) has been generally considered as peptide acting almost exclusively in the central nervous system. In the present paper, we revise the experimental evidence, demonstrating that MCH and its receptors are expressed by cells of the immune system and directly influence the response of these cells in some circumstances. This therefore supports the idea that, as with other peptides, MCH could be considered as a modulator of the immune system. Moreover, we suggest that this could have important implications in several immune-mediated disorders and affirm that there is a clear need for further investigation [less ▲]

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