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See detailIs an alcoholic fixative fluid used for manual liquid-based cytology accurate to perform HPV tests?
Garbar, Christian; Mascaux, Corinne; De Graeve, Philippe et al

in Pathology and Laboratory Medicine International (2012), 4

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See detailIs an evidence-based approach unrealistic in NSCLC?
Coucke, Philippe ULg; Barthelemy, Nicole ULg; Bosquee, Léon ULg et al

in Belgian Journal of Medical Oncology [=BJMO] (2008), volume 2(6), 326-333

Summary Non-small cell lung cancer (NSCLC) is a heterogeneous tumour. A wide variety of treatment options is currently available. Surgery remains the mainstay of curative treatment and an operative ... [more ▼]

Summary Non-small cell lung cancer (NSCLC) is a heterogeneous tumour. A wide variety of treatment options is currently available. Surgery remains the mainstay of curative treatment and an operative approach will be selected in function of disease stage, tumour resectability and performance status of the patient. Adjuvant chemotherapy is considered standard at least for stage II and III disease. In stage III disease, resectability should be decided in function of the cytological/histological confirmation of N2 disease. If N2-disease cannot be highlighted at work-up, the patients are submitted to surgery followed by adjuvant chemotherapy. If patients are staged pN0-pN1 after surgery, ostoperative radiotherapy should not be given. However, if pN2 is discovered at surgery, there might be a place for postoperative radiotherapy but this still needs confirmation. In case of cytological/histological confirmation of pN2 disease prior to surgery, patients should not be operated but treated with a combination of oncomitant chemoradiotherapy. This treatment algorithm will be evaluated by reviewing the published evidence issued from randomized controlled trials. [less ▲]

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See detailIs Anosognosia in Alzheimer disease also observed for behavioural and personality changes?
Feyers, Dorothée ULg; Bastin, Christine ULg; Jaspar, Mathieu ULg et al

Poster (2010, May 28)

Anosognosia is a frequent manifestation in Alzheimer disease (AD) but its extent is not yet clearly established. While anosognosia for memory deficit has been widely reported, no study has simultaneously ... [more ▼]

Anosognosia is a frequent manifestation in Alzheimer disease (AD) but its extent is not yet clearly established. While anosognosia for memory deficit has been widely reported, no study has simultaneously explored anosognosia for personality and behaviour changes. We have tackled this question with 20 AD patients and 20 matched elderly subjects (ES). Participants (AD and ES) assessed their personality and their reactions in social situation both in current (S1) and past (S1_bef) time period. Assessment of these characteristics was also performed by relatives of the participants (R2 and R2_bef). Mann-Whitney test (p<0.05) were performed between discrepancy scores (calculated by comparing answers of subjects and relatives) obtained for AD and ES. A specific measure of anosognosia was also calculated by comparing S1 and R2. Statistical analyses demonstrated (1) that relatives of AD patients report more personality and behavioural changes across time (S1-S1_bef) than relatives of ES (R2–R2_bef); (2) that self-reported changes were not significantly different between AD patients and ES; (3) that anosognosia (S1-R2) was observed in AD patients for personality changes only. Results obtained support the hypothesis that anosognosia does not affect all domain in AD. Indeed, even if AD patients are no more able to assess their current personality, they perceive adequately their current reactions in social situations. [less ▲]

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See detailIs anthracene cofactor or spectator for the thermolysis of anthracenyl acylnitroso cycloadducts in the presence of a diene?
Monbaliu, Jean-Christophe ULg; Marchand-Brynaert, Jacqueline; Peeters, Daniel

in Tetrahedron Letters (2009), 50

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See detailIs aprotinin worth the risk in total hip replacement?
Janssens, Marc ULg; Joris, Jean ULg

in Anesthesiology (1994), 81(2), 518-519

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See detailIs artemisinin the only antiplasmodial compound in the Artemisia annua tea infusion? An in vitro study.
Mouton, Julia; Jansen, Olivia ULg; Frederich, Michel ULg et al

in Planta Medica (2013), 79(6), 468-70

In our ongoing investigation into Artemisia annua for the treatment of malaria, we decided to study the possibility that synergism might enhance the efficacy of artemisinin. Our main objective was to test ... [more ▼]

In our ongoing investigation into Artemisia annua for the treatment of malaria, we decided to study the possibility that synergism might enhance the efficacy of artemisinin. Our main objective was to test tea infusions and nonpolar extracts prepared from different A. annua varieties against Plasmodium falciparum in vitro in order to determine if synergism will increase the effectiveness of artemisinin in the samples as compared to pure artemisinin. We found that the IC50 of artemisinin in the tea and nonpolar extracts was not significantly different to the IC50 of pure artemisinin. We could show that the year and country of harvest or storage conditions did not have any influence on the activity and that it narrowly followed the concentration of artemisinin in all the extracts. In conclusion, based on these in vitro results, artemisinin seems to be the only active antiplasmodial compound in A. annua. [less ▲]

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See detailIs automatic disinfection between each endoscopy mandatory? Jury opinion
Delwaide, Jean ULg; Pelckmans, P.; Defrance, P. et al

in Acta Gastro-Enterologica Belgica (1998), 61(4), 429-430

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See detailIs bad group climate between girls a risky factor of aggression?
Mathys, Cécile ULg; Lanctôt, Nadine

Conference (2012)

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See detailIs behavior still a relevant variable ?
Richelle, Marc ULg

in Psychiatry, the state of the art. Vol.1. clinical psychopathology : nomenclature and classification (1985)

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See detailIs Belgium lagging behind in sustainability management? An international empirical analysis
Crutzen, Nathalie ULg; Hoerisch, Jacob

Conference (2013, September)

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See detailIs bounce juggling easier in a parabolic billiard than in a wedge
Chang, Dong Eui; Ronsse, Renaud; Sepulchre, Rodolphe ULg

in Proceedings of the 5th Euromech nonlinear dynamics conference (2005)

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See detailIs brain activity during a Stroop inhibitory task modulated by the kind of cognitive control required?
Collette, Fabienne ULg; D'Ostilio, Kevin ULg; D'Argembeau, Arnaud ULg et al

Conference (2011)

Performance on the Stroop task is associated to a large antero-posterior cerebral network involving notably the anterior cingulate and dorsolateral prefrontal cortex. In this study, we used a mixed-BOLD ... [more ▼]

Performance on the Stroop task is associated to a large antero-posterior cerebral network involving notably the anterior cingulate and dorsolateral prefrontal cortex. In this study, we used a mixed-BOLD-fMRI design (N=25) to determine the neural substrates of inhibitory functioning in a Stroop task according to contextual information. Consequently, two task-contexts were created: (1) congruent context with a majority of facilitator items, (2) non-congruent context with mainly interfering items. Based on the dual cognitive control model, we postulated that the non-congruent blocks will involve proactive control, which is anticipatory, sustained, and involved when a large number of interfering items are successively presented. On the contrary, congruent blocks were assumed to involve reactive control, which occurs when few interfering items are presented, and just after the presentation of these items only. On this basis, we hypothesized that the kind of cognitive control modulates cerebral activity associated to inhibitory functioning. For behavioral data, we obtained faster response times for interfering items in the non-congruent vs. congruent condition, indicating proactive control specific to the congruent condition only. Functional neuro-imaging data showed an increased transient activity for interfering vs neutral items in a fronto-parietal network more important in the congruent than in the neutral condition. A similar contrast in the non-congruent condition showed no significant brain activity at the statistical threshold used. These data indicate the existence of a modulation of the cerebral areas associated to inhibitory functioning according to the kind of cognitive control necessary to perform the task. [less ▲]

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See detailIs brain estradiol a hormone or a neurotransmitter?
Balthazart, Jacques ULg; Ball, G. F.

in Trends in Neurosciences (2006), 29(5), 241-249

Mounting evidence indicates that, besides their well-known hormonal mode of action at the genetic level, estrogens such as 17 beta-estradiol also influence brain function by direct effects on neuronal ... [more ▼]

Mounting evidence indicates that, besides their well-known hormonal mode of action at the genetic level, estrogens such as 17 beta-estradiol also influence brain function by direct effects on neuronal membranes. Experimentally induced rapid changes in estradiol bioavailability in the brain have been shown to alter the expression of male sexual behavior significantly within minutes - probably too quickly to be accounted for by conventional genetic mechanisms. In parallel, recent studies indicate that aromatase, the enzyme that converts testosterone to estradiol in the brain, is expressed in presynaptic terminals and modulated within minutes by Ca2+-dependent phosphorylation. In this article, we develop the hypothesis that brain estrogens display many, if not all, functional characteristics of neuromodulators or even neurotransmitters. [less ▲]

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See detailIs canine eosinophilic bronchopneumopathy an asthmatic disease ?
Clercx, Cécile ULg

in 12th ESVIM Meeting - Münich - Allemagne (2002, September)

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See detailIs chronic migraine a never-ending migraine attack?
Schoenen, Jean ULg

in Pain (2011), 152(2), 239-40

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See detailIs conspecific substrate marking a long-term external memory of previously colonized overwintering sites in Harmonia axyridis?
Durieux, Delphine ULg; Fassotte, Bérénice ULg; Vanderplanck, Maryse et al

in Journal of Applied Entomology (2014), 138(5), 338-345

The multicoloured Asian ladybeetle, Harmonia axyridis (Pallas), aggregates inside dwellings during winters to survive the cold. This beetle uses chemical cues coming from congeners to select an ... [more ▼]

The multicoloured Asian ladybeetle, Harmonia axyridis (Pallas), aggregates inside dwellings during winters to survive the cold. This beetle uses chemical cues coming from congeners to select an overwintering site. Recent research has shown that they preferentially gather at places where conspecifics previously laid a substrate marking made up of saturated and unsaturated hydrocarbons. Some authors have reported that H. axyridis colonizes the same overwintering sites from 1 year to another. Herein, the hypothesis that this substrate marking is used by H. axyridis to settle in the same aggregation sites from one winter to another was tested. To this aim, the temporal modification in the chemical profile of the hydrocarbon marking was studied by performing chromatographic analyses. After 1 year, the overall profile was modified qualitatively and quantitatively: the unsaturated hydrocarbons were no longer detected while some saturated hydrocarbons were still present in large quantities. In a behavioural assay conducted in the laboratory, the 12-month-old marking did not induce the aggregation of H. axyridis. This result indicates that the chemical markings left by conspecifics during a previous aggregation period in an overwintering site are not sufficient to induce the gathering of the newly arriving individuals. [less ▲]

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