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See detailDémons iraniens : Actes du colloque international organisé à l'Université de Liège les 5 et 6 février 2009 à l'occasion des 65 ans de Jean Kellens
Swennen, Philippe ULg

Book published by Presses Universitaires de Liège (2015)

Ce volume rassemble les textes des communications prononcées lors du colloque organisé à Liège, les 5 et 6 février 2009, à l'occasion des 65 ans de Jean Kellens.

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See detailDemonstrating polymorphic miRNA-mediated gene regulation in vivo: application to the g+6223G->A mutation of Texel sheep.
Takeda, Haruko ULg; Charlier, Carole ULg; Farnir, Frédéric ULg et al

in RNA (New York, N.Y.) (2010), 16(9), 1854-63

We herein describe the development of a biochemical method to evaluate the effect of single nucleotide polymorphisms (SNPs) in target genes on their regulation by microRNAs in vivo. The method is based on ... [more ▼]

We herein describe the development of a biochemical method to evaluate the effect of single nucleotide polymorphisms (SNPs) in target genes on their regulation by microRNAs in vivo. The method is based on the detection of allelic imbalance in RNAs coimmunoprecipitated with AGO proteins from tissues of heterozygous individuals. We characterize the performances of our approach using a model system in a cell culture, and then apply it successfully to prove that the 3'UTR g+6223G-->A mutation operates by promoting RISC-dependent down-regulation of myostatin (MSTN) in skeletal muscle of Texel sheep. [less ▲]

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See detailDemonstrating the identification of nonlinear vibrating systems to undergraduate students
Dimitriadis, Grigorios ULg; Vio, Gareth Arthur

in International Journal of Mechanical Engineering Education (2007), 35(4), 336-360

The identification of nonlinear dynamic systems is increasingly becoming a necessary part of vibration testing and there is significant research effort devoted to it. However, as the current methodologies ... [more ▼]

The identification of nonlinear dynamic systems is increasingly becoming a necessary part of vibration testing and there is significant research effort devoted to it. However, as the current methodologies are still not suitable for the identification of general nonlinear systems the subject is very rarely introduced to undergraduate students. In this paper, recent progress in developing an expert approach to nonlinear system identification is used in order to demonstrate the subject within the context of an undergraduate course or as an introductory tool for postgraduate students. The demonstration is based around a software package of an Expert System designed to apply systematically a wide range of identification approaches to the system under investigation. It is shown that the software can be used to demonstrate the need for nonlinear system identification, the complexity of the procedure, the possibility of failure and the good chances of success when enough physical information about the system is available. [less ▲]

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See detailDemonstration by flow cytometry that CD5+CD8+ cells carry alcelaphine herpesvirus 1 in inoculated rabbits developing malignant catarrhal fever
Dewals, Benjamin G ULg; Gillet, Laurent ULg; Vanderplasschen, Alain ULg

Poster (2005, November 18)

Alcelaphine herpesvirus 1 (AlHV 1), carried by wildebeest (Connochaetes taurinus) asymptomatically, causes malignant catarrhal fever (MCF) when cross species transmitted to a variety of susceptible ... [more ▼]

Alcelaphine herpesvirus 1 (AlHV 1), carried by wildebeest (Connochaetes taurinus) asymptomatically, causes malignant catarrhal fever (MCF) when cross species transmitted to a variety of susceptible species of the Artiodactyla order. MCF is a fascinating disease described as a combination of lymphoproliferative and degenerative lesions. The study of MCF pathogenesis has been impeded by an inability to produce recombinant virus, due mainly to the fact that AlHV 1 becomes attenuated during passage in culture. Here, we have overcome these difficulties by (i) cloning the entire AlHV 1 genome as a stable, infectious and pathogenic bacterial artificial chromosome (BAC), and (ii) by using prokaryotic recombination technology for the production of an AlHV 1 recombinant. Firstly, the AlHV 1 genome was BAC cloned using one insertion site in a region containing no open reading frame. This insertion allowed the production of an AlHV 1 BAC clone stably maintained in bacteria and able to regenerate virions when transfected into permissive cells. BAC derived AlHV 1 virions induced MCF in rabbits comparably to the AlHV 1 wild type (WT) strain. Secondly, a two step mutagenesis procedure in E. coli was used to generate a recombinant strain expressing enhanced-green fluorescent protein (EGFP) as a reporter gene. After reconstitution of recombinant virions into permissive cells and excision of the BAC cassette, flow cytometry analyses were performed to validate the recombinant strain and to investigate the pathogenesis of MCF. The results of these analyses can be summarized as follows: (i) the validity of the EGFP expression cassette as a reporter gene has been demonstrated by in vitro infections; (ii) inoculation of rabbits revealed that the recombinant strain has retained the pathogenicity of its parental strain and that the cell types carrying AlHV-1 in peripheral blood mononuclear cells, lymph nodes and the spleen are mainly CD5+ CD8+ cells. [less ▲]

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See detailDémonstration d'un théorème d'arithmétique
Catalan, Eugène ULg

in Journal de Mathematiques Elémentaires (1887), 1

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See detailDémonstration d'un théorème d'arithmétique (solution de la question 1469)
Catalan, Eugène ULg

in Nouvelles Annales de Mathématiques : Journal des Candidats aux Ecoles Polytechnique et Normale (1884), 3

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See detailDémonstration d'un théorème d'arithmétique (solution de la question 1480)
Catalan, Eugène ULg

in Nouvelles Annales de Mathématiques : Journal des Candidats aux Ecoles Polytechnique et Normale (1884), 3

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See detailDémonstration d'un théorème d'arithmétique (solution de la question 1489)
Catalan, Eugène ULg

in Nouvelles Annales de Mathématiques : Journal des Candidats aux Ecoles Polytechnique et Normale (1885), 4

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See detailDémonstration d'un théorème relatif à la parabole
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1877), 3

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See detailDémonstration d'un théorème sur l'ellipse (solution de la question 422)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1878), 4

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See detailDémonstration d'une identité (solution de la question 41)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1879), 5

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See detailDémonstration d'une propriété sur les coniques (solution de la question 384)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1880), 6

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See detailDémonstration d'une propriété sur les courbes (solution de la question 311)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1879), 5

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See detailDémonstration d'une propriété sur les ellipses (solution de la question 125)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1879), 5

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See detailDémonstration d'une propriété sur les ellipses (solution de la question 422)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1879), 5

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See detailDémonstration d'une propriété sur les hexagones (solution de la question 443)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1879), 5

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See detailDémonstration d'une propriété sur les isopérimètres (solution de la question 65)
Catalan, Eugène ULg

in Mathesis : Recueil Mathématique à l'Usage des Ecoles Spéciales et des Etablissements d'Instruction Moyenne (1882), 2

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See detailDémonstration d'une propriété sur les nombres carrés impairs (solution de la question 846)
Catalan, Eugène ULg

in Mathesis : Recueil Mathématique à l'Usage des Ecoles Spéciales et des Etablissements d'Instruction Moyenne (1894), 4

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See detailDémonstration d'une propriété sur les nombres premiers (solution de la question 855)
Catalan, Eugène ULg

in Mathesis : Recueil Mathématique à l'Usage des Ecoles Spéciales et des Etablissements d'Instruction Moyenne (1893), 3

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See detailDémonstration d'une propriété sur les surfaces de révolution (solution de la question 584)
Catalan, Eugène ULg

in Nouvelle Correspondance Mathématique (1880), 6

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