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See detailProteomics in Myzus persicae: effect of aphid host plant switch.
Francis, Frédéric ULg; Gerkens, Pascal; Harmel, Nicolas ULg et al

in Insect Biochemistry and Molecular Biology (2006), 36(3), 219-27

Chemical ecology is the study of how particular chemicals are involved in interactions of organisms with each other and with their surroundings. In order to reduce insect attack, plants have evolved a ... [more ▼]

Chemical ecology is the study of how particular chemicals are involved in interactions of organisms with each other and with their surroundings. In order to reduce insect attack, plants have evolved a variety of defence mechanisms, both constitutive and inducible, while insects have evolved strategies to overcome these plant defences (such as detoxification enzymes). A major determinant of the influence of evolutionary arms races is the strategy of the insect: generalist insect herbivores, such as Myzus persicae aphid, need more complex adaptive mechanisms since they need to respond to a large array of different plant defensive chemicals. Here we studied the chemical ecology of M. persicae associated with different plant species, from Brassicaceae and Solanaceae families. To identify the involved adaptation systems to cope with the plant secondary substances and to assess the differential expression of these systems, a proteomic approach was developed. A non-restrictive approach was developed to identify all the potential adaptation systems toward the secondary metabolites from host plants. The complex protein mixtures were separated by two-dimensional electrophoresis methods and the related spots of proteins significantly varying were selected and identified by mass spectrometry (ESI MS/MS) coupled with data bank investigations. Fourteen aphid proteins were found to vary according to host plant switch; ten of them were down regulated (proteins involved in glycolysis, TCA cycle, protein and lipid synthesis) while four others were overexpressed (mainly related to the cytoskeleton). These techniques are very reliable to describe the proteome from organisms such as insects in response to particular environmental change such as host plant species of herbivores. [less ▲]

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See detailProteomics of aphid salivary proteins
Francis, Frédéric ULg; De Pauw, Edwin ULg; Vandermoten, Sophie ULg et al

Conference (2012, August)

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See detailProteomics of marine microorganisms
Voigt, B.; Hieu, C.X.; Wilmes, B. et al

Conference (2006)

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See detailProtéomique par SELDI-TOF-MS des maladies inflammatoires articulaires: identification des protéines S100 comme protéines d'intérêt
De Seny, Dominique ULg; Ribbens, Clio ULg; Cobraiville, Gaël ULg et al

in Revue Médicale de Liège (2009), 64(Spec No), 29-35

Clinical proteomics is a technical approach studying the entire proteome expressed by cells, tissues or organs. It describes the dynamics of cell regulation by detecting molecular events related to ... [more ▼]

Clinical proteomics is a technical approach studying the entire proteome expressed by cells, tissues or organs. It describes the dynamics of cell regulation by detecting molecular events related to diseases development. Proteomic techniques focus mainly on identification of new biomarkers or new therapeutic targets. It is a multidisciplinary approach using medical, biological, bioanalytical and bioinformatics knowledges. A strong collaboration between these fields allowed SELDI-TOF-MS proteomics studies to be performed at the CHU and the University of Liege, in GIGA-Research facilities. The aim of these studies was driven along three main axes of research related to the identification of biomarkers specific to a studied pathology, to a common biological pathway and, finally, to a treatment response. [less ▲]

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See detailThe Proterozoic record of early eukaryotes
Javaux, Emmanuelle ULg

Conference (2012, August)

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See detailProteus syndrome of the hand.
Fraiture, Anne Laure; Ihou, E David; Pierard, Gérald ULg

in Dermatology : International Journal for Clinical & Investigative Dermatology (2002), 204(4), 318-20

Proteus syndrome exhibits an expanded phenotype. We report a case with restricted macrodactyly and cerebriform hypertrophy of one palm. The differential diagnosis with macrodactyly and other hamartomatous ... [more ▼]

Proteus syndrome exhibits an expanded phenotype. We report a case with restricted macrodactyly and cerebriform hypertrophy of one palm. The differential diagnosis with macrodactyly and other hamartomatous overgrowth syndromes is discussed. [less ▲]

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See detailUne prothèse discale!? Ca marche ?! C'est remboursé ?!
Martin, Didier ULg

Scientific conference (2012, March 14)

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See detailProthèse fixée implanto-portée
LAMY, Marc ULg

in Postaire, Michel (Ed.) Les dernières dents... Garder ou extraire. Solutions cliniques (2011)

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See detailProthèse implantaire fixe scellée et vissée à l'heure du numérique
LAMY, Marc ULg

in Information Dentaire (L') (2011), 12

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See detailLa prothèse pénienne dans le traitement de l'impuissance: La décision du patient
Kempeneers, Philippe ULg; Andrianne, R.; Mormont, Christian ULg

in Cahiers de Sexologie Clinique (1994), 20(124), 31-36

In the population who look advice from our interdisciplinary team, penile prosthesis is estimated been indicated in about 13% of the cases. Among these 13% of patients to whom a penile implant was ... [more ▼]

In the population who look advice from our interdisciplinary team, penile prosthesis is estimated been indicated in about 13% of the cases. Among these 13% of patients to whom a penile implant was proposed, only 32% agreed to undergo the operation. From this statement, we wondered why some men require penile implantation and other ones resign. A follow-up survey allowed to compare the experience of 19 implants recipients to the experience of 17 patients who have refused this solution. The cost of the device appears being a very determinant argument in the decision to reject penile implantation. Our study fails to distinguls clearly the two groups of subjects on the basis of another motivation criterion. [less ▲]

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See detailLa prothèse pénienne: Contrariétés d'une virilité artificielle
Kempeneers, Philippe ULg; Andrianne, R.; Mormont, Christian ULg

in Sexologies (1994), 3(13), 26-30

Au cours d'une enquête de follow-up réalisée auprès de 25 patients implantés, nous avons constaté, en filigrane des réponses fournies par les sujets, un sentiment de malaise, voire d'humiliation lié à l ... [more ▼]

Au cours d'une enquête de follow-up réalisée auprès de 25 patients implantés, nous avons constaté, en filigrane des réponses fournies par les sujets, un sentiment de malaise, voire d'humiliation lié à l'usage d'une prothèse pénienne. Chez l'humain, l'érection comporte une valeur symbolique incontestable. Mise à mal par l'impuissance, l'image virile de l'homme ne se restaure pas entièrement avec l'installation d'une prothèse pénienne.Solution artificielle, celle-ci semble laisser subsister chez de nombreux patients des difficultés psychologiques à assumer la perte définitive de leurs capacités naturelles d'érection. [less ▲]

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See detailProthèses articulaires et risque d'endocardite
MAINJOT, Amélie ULg

Master's dissertation (1997)

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See detailProthèses d’épaule – Rééducation
Forthomme, Bénédicte ULg

in Livre des résumés du 24ème Colloque de médecine du sport et de l'appareil locomoteur (2010, November)

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See detailProthèses péniennes : taille du pénis implanté et dimensions de la virilité
Kempeneers, Philippe ULg; Andrianne, Robert ULg; Mormont, Christian ULg et al

in Cahiers de Sexologie Clinique (2001), 27(149), 18-27

The implantation of a penile prosthesis frequently results in a reduction of the erectile length compared with natural erections. Some patients complain about this fact and their satisfaction at ... [more ▼]

The implantation of a penile prosthesis frequently results in a reduction of the erectile length compared with natural erections. Some patients complain about this fact and their satisfaction at prosthesis assisted sexuality is significantly diminished. Obviously, the degree of complaint is not proportional to the objective degree of penile reduction. For an objective reality to lead to complaints, subjective criteria of appreciation have to intervene. A survey questionnaire completed by 39 implanted patients and 30 partners shows that complaints about the size of the implanted penis are mostly related to a social representation of sexuality which associates the male erotic value to criteria of erectile length, spontaneity and “naturalness”. This representation also tends to be projected in the partner’s mind, independently of her actual attitudes and feelings. Therefore, the injurious impact of penile reduction on satisfaction at the prosthetic device seems to be inseparable from a global representation of prosthetic sexuality which is experienced as a “parodic”, “reduced” virility. The reduced size of the penis focuses feelings of vexation which cannot be reduced to simple functional considerations, it embodies the painful and complex image of a lost virility. From this point of view, psychosexological counselling would be indicated in order to help some couples to improve their adaptation to penile prosthesis. Moreover, an Attitude scale towards Penile Implant (API) derived from the survey questionnaire might enable the identification of risk-patients. [less ▲]

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