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Peer Reviewed
See detailIdentification of novel prolactin releasing peptide receptors of Cyprinus carpio and Salmo salar expressed in the pituitary gland
Romero, A. P.; Montefusco, R.; Lopez, Mauricio et al

in Journal of Experimental Zoology. Part A, Comparative Experimental Biology (2006, February 01), 305A(2), 171

Detailed reference viewed: 34 (1 ULg)
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See detailIdentification of novel secreted proteases during extracellular proteolysis by dermatophytes at acidic pH
Sriranganadane, D.; Waridel, P.; Salamin, K. et al

in Proteomics (2011), 11(22), 4422-4433

Detailed reference viewed: 28 (8 ULg)
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See detailIdentification of odour sources in an industrial park from resident diaries statistics
Nicolas, Jacques ULg; Cors, M.; Romain, Anne-Claude ULg et al

in Atmospheric Environment (2010), 44

A methodology based on social participation through the use of resident diaries was applied to evaluate the odour annoyance in the surroundings of an industrial park in Belgium during one year. The ... [more ▼]

A methodology based on social participation through the use of resident diaries was applied to evaluate the odour annoyance in the surroundings of an industrial park in Belgium during one year. The studied area covers about 8 km2 and includes13 potential odour emitting facilities. The network involved 44 residents in the survey, among whom 19 were particularly considered for a detailed analysis. The questionnaire aimed at providing an odour rating twice-daily on a 6-level scale together with an odour type. The fact that the response rate corresponding to “no-odour” was high (79%) is particularly discussed. Some tests are proposed to check the plausibility of the answers, the coherence within clusters of residents and the individual performance of respondents to discriminate among odour ratings. The odour rose is presented as an attractive and visual tool, particularly suited in the case of multi-source areas, to map the different odour emissions, to point out the most worrying ones, to identify others creating less annoyance and possibly new unpredicted ones. The resident diary method has proven to be particularly useful, conjointly to other ones, to the case of multi-sources facilities in large areas, when the purpose is the assessment of the long-term evolution of odour annoyance. [less ▲]

Detailed reference viewed: 88 (5 ULg)
Peer Reviewed
See detailIdentification of orphan G protein-coupled receptors
Vassart, G.; Parmentier, M.; Libert, M. et al

in Clinical Neuropharmacology (1992), 15

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See detailIdentification of patients at high risk for recurrence of sustained ventricular tachycardia after healing of acute myocardial infarction.
Rodriguez, L M; Oyarzun, R; Smeets, J et al

in American Journal of Cardiology (1992), 69(5), 462-4

A prognostic index for nonfatal recurrences of ventricular tachycardia (VT) was developed using a retrospective analysis of a group of 206 patients with sustained monomorphic VT or ventricular ... [more ▼]

A prognostic index for nonfatal recurrences of ventricular tachycardia (VT) was developed using a retrospective analysis of a group of 206 patients with sustained monomorphic VT or ventricular fibrillation (VF) after healing of acute myocardial infarction. 74 patients (36%) (64 with VT and 10 with VF) had recurrences of sustained monomorphic VT during 3.4 +/- 9 years of follow-up. Three clinical variables were selected and weighted by stepwise logistic discriminant analysis of the study group. They were coded as follows: interval of myocardial infarction to arrhythmia (less than 2 months = 1; 2 to 6 months = 2; greater than 6 months = 3), drug therapy with or without sotalol (with = 1, without = 2), and VT or VF as the presenting arrhythmia (VT = 1, VF = 2). The prognostic index was: 3.41 - (0.56 x interval) - (1.94 x therapy) + (0.86 x arrhythmia). This index was validated prospectively in a test group of 158 consecutive patients with VT or VF after healing of acute myocardial infarction. Patients were allocated into different classes with decreasing prognostic index values associated with increasing risk for recurrences of VT. In the test group, 27 of 158 (17%) patients (22 with VT and 5 with VF) had recurrences of VT (follow-up of 2 +/- 2 years). Two risk classes of patients were identified: high risk for recurrences of VT (61%) corresponding to patients with a negative index; and low risk (4%) consisting of those with a positive index. Thus, using O as the cutoff point, the sensitivity, specificity, and positive and negative predictive values were 81, 89, 62 and 96%, respectively.(ABSTRACT TRUNCATED AT 250 WORDS) [less ▲]

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See detailIDENTIFICATION OF PLACENTAL HUMAN GROWTH-HORMONE AS THE GROWTH HORMONE-V GENE-EXPRESSION PRODUCT
Frankenne, Francis ULg; Scippo, Marie-Louise ULg; Van Beeumen, Jos et al

in Journal Of Clinical Endocrinology And Metabolism (1990), 71(1), 15-18

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See detailIdentification of plasma growth hormone binding proteins (GHBPs) in cattle
Devolder, Anne; Renaville, Robert ULg; Massart, Serge et al

Poster (1992)

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See detailIdentification of pleiotropic genetic effects on obesity and brain anatomy.
Curran, Joanne E.; McKay, D. Reese; Winkler, Anderson ULg et al

in Human Heredity (2013), 75(2-4), 136-43

BACKGROUND/AIMS: Obesity is a major contributor to the global burden of chronic disease and disability, though current knowledge of causal biologic underpinnings is lacking. Through the regulation of ... [more ▼]

BACKGROUND/AIMS: Obesity is a major contributor to the global burden of chronic disease and disability, though current knowledge of causal biologic underpinnings is lacking. Through the regulation of energy homeostasis and interactions with adiposity and gut signals, the brain is thought to play a significant role in the development of this disorder. While neuroanatomical variation has been associated with obesity, it is unclear if this relationship is influenced by common genetic mechanisms. In this study, we sought genetic components that influence both brain anatomy and body mass index (BMI) to provide further insight into the role of the brain in energy homeostasis and obesity. METHODS: MRI images of brain anatomy were acquired in 839 Mexican American individuals from large extended pedigrees. Bivariate linkage and quantitative analyses were performed in SOLAR. RESULTS: Genetic factors associated with an increased BMI were also associated with a reduced cortical surface area and subcortical volume. We identified two genome-wide quantitative trait loci that influenced BMI and the ventral diencephalon volume, and BMI and the supramarginal gyrus surface area, respectively. CONCLUSIONS: This study represents the first genetic analysis seeking evidence of pleiotropic effects acting on both brain anatomy and BMI. Our results suggest that a region on chromosome 17 contributes to the development of obesity, potentially through leptin-induced signaling in the hypothalamus, and that a region on chromosome 3 appears to jointly influence the food-related reward circuitry and the supramarginal gyrus. [less ▲]

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See detailIdentification of pollutant gases with a multisensorial arrange.
Negri, Martin; Reich, S.; Fernandez, D. et al

in Weimar, Udo (Ed.) proceedings of ISOEN 99 (1999)

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See detailIdentification of Post-Transplant Anti-Alpha 5 (Iv) Collagen Alloantibodies in X-Linked Alport Syndrome
Dehan, Pierre ULg; Van den Heuvel, L. P.; Smeets, H. J. et al

in Nephrology Dialysis Transplantation (1996), 11(10), 1983-8

X-linked Alport syndrome (AS) is a heritable disorder which is associated with mutations in the type IV collagen alpha 5 (IV) chain gene (COL4A5) located on chromosome X. Following renal transplantation ... [more ▼]

X-linked Alport syndrome (AS) is a heritable disorder which is associated with mutations in the type IV collagen alpha 5 (IV) chain gene (COL4A5) located on chromosome X. Following renal transplantation, an average of 6% of male AS patients develop anti-GBM nephritis. We studied the specificity of the antibodies against type IV collagen in the serum of a patient with COL4A5 partial deletion. The specificity of these alloantibodies was determined against collagenase-digested GBM, as well as against recombinant non-collagenous (NC1) domains of the type IV collagen alpha 1(IV)-alpha 6(IV) chains expressed in escherichia coli. Immunoblotting and ELISA demonstrated that these antibodies bound specifically to the NC1 domain of alpha 5(IV) collagen. There was no binding to the NC1 domain of the other chains, including the Goodpasture antigen. Competitive ELISA confirmed the results obtained by ELISA and immunoblotting. This patient developed alloantibodies directed against antigens present in the grafted kidney, but absent from his Alport kidney. The pathogenesis of post-transplantation glomerulonephritis in the Alport patient studied is thus similar to that of Goodpasture syndrome, with the exception that the pathogenic antibodies are targeted to another alpha chain of type IV collagen. [less ▲]

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See detailIdentification of Potential Biomarkers of Human Peripheral Blood Mononuclear Cell intoxication by dioxins
Brenez, Cécile; Cellier, Nicolas; Gerkens, Pascal et al

in Organohalogen Compounds (2005), 67

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See detailIdentification of predictive markers based on functional imaging of metastatic spreading at the time of surgery after neoadjuvant radiotherapy
LALLEMAND, François ULg; Leroi, Natacha ULg; Bahri, Mohamed Ali ULg et al

Poster (2015, January 27)

Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery are driven by the occurrence of side effects or the ... [more ▼]

Neoadjuvant radiotherapy (NeoRT) improves tumor local control and tumor resection in many cancers. The timing between the end of the NeoRT and surgery are driven by the occurrence of side effects or the tumor downsizing. Some studies demonstrated that the timing of surgery and the RT schedule could influence tumor dissemination. Our aim is to evaluate with functional MRI the impact of the radiation treatment on the tumor microenvironment and subsequently to determine the best timing to perform surgery. We used a model of NeoRT, 4T1 cells were implanted in the flank of BalbC mice. Seven days after, tumors were irradiated with 2x5Gy than we surgically removed this lesion 11 days after RT. Diffusion Weighted (DW) and Dynamic Contrast Enhancement (DCE) -MRI was performed every 2 days during 11 days between RT and surgery. We developed a homemade “portacath” specifically dedicated for mice and for repetitive I.V. contrast agent injection. For DW-MRI, we performed sequences with 10 different B-value to achieve IntraVoxel Incoherent Motion analysis. For DCE-MRI, we used FSEMS sequence for keeping the same slices as with DW-MRI. For both images, we performed analysis on the entire tumor volume. We obtained very promising preliminary results showing good uniformity in the ADC (Attenuation Diffusion Coefficient). We succeeded to follow mice with imaging during the 11 days without major troubles. We observed less variability of the ADC signal during the 11 days in the irradiated tumors compared to the control. The signal to noise ratio was relatively poor for the diffusion sequence and need to be improved. For the first time, we demonstrate the feasibility of repetitive MRI functional imaging in a mice model of NeoRT. These results open perspectives for studying modifications of the tumor microenvironment induced by neoadjuvant RT. The techniques need to be improved and correlated to the tumor dissemination in function of the RT schedule and timing of surgery. [less ▲]

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See detailIdentification of pregnancy-associated glycoprotein 1 (PAG-1) in zebu (Bos indicus) placenta
Melo de Sousa, Noelita ULg; Remy, Benoit; El Amiri, Bouchra et al

in Theriogenology (2001), 55(1), 327

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See detailIdentification of pregnancy-associated glycoproteins and alpha-fetoprotein in fallow deer (Dama dama) placenta
Bériot, Mathilde ULg; Tchimbou Njanjo, Aline Flora ULg; Barbato, Olimpia et al

in Acta Veterinaria Scandinavica (2014), 56(4), 1-11

Background: This paper describes the isolation and characterization of pregnancy-associated glycoproteins (PAG) from fetal cotyledonary tissue (FCT) and maternal caruncular tissue (MCT) collected from ... [more ▼]

Background: This paper describes the isolation and characterization of pregnancy-associated glycoproteins (PAG) from fetal cotyledonary tissue (FCT) and maternal caruncular tissue (MCT) collected from fallow deer (Dama dama) pregnant females. Proteins issued from FCT and MCT were submitted to affinity chromatographies by using Vicia villosa agarose (VVA) or anti-bovine PAG-2 (R#438) coupled to Sepharose 4B gel. Finally, they were characterized by SDSPAGE and N-terminal microsequencing. Results: Four distinct fallow deer PAG (fdPAG) sequences were identified and submitted to Swiss-Prot database. Comparison of fdPAG with PAG sequences identified in other ruminant species exhibited 64 to 83% identity. Additionally, alpha-fetoprotein was identified in fetal and maternal tissues. Conclusion: Our results demonstrate the efficacy of VVA and bovine PAG-2 affinity chromatographies for the isolation of PAG molecules expressed in deer placenta. This is the first report giving four specific amino acid sequences of PAG isolated from feto-maternal junction (FCT and MCT) in the Cervidae family. [less ▲]

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See detailIdentification of protein biomarkers associated with cardiac ischemia by a proteomic approach.
Fillet, Marianne ULg; Deroyer, Céline ULg; COBRAIVILLE, G. et al

in Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals (2013), 18(7), 614-24

Angina is chest pain induced by ischemia of the heart muscle, generally due to obstruction or spasm of the coronary arteries. People that suffer from average to severe cases of angina have an increased ... [more ▼]

Angina is chest pain induced by ischemia of the heart muscle, generally due to obstruction or spasm of the coronary arteries. People that suffer from average to severe cases of angina have an increased percentage of death before the age of 55, usually around 60%. Therefore, prevention of major complications, optimizing diagnosis, prognosis and therapeutics are of primary importance. The main objective of this study was to uncover biomarkers by comparing serum protein profiles of patients suffering from stable or unstable angina and controls. We identified by non-targeted proteomic approach and confirmed by the means of independent techniques, the differential expression of several proteins indicating significantly increased vascular inflammation response, disturbance in the lipid metabolism and in atherogenic plaques stability. [less ▲]

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See detailIdentification of protein networks involved in the disease course of experimental autoimmune encephalomyelitis, an animal model of multiple sclerosis.
Vanheel, Annelies; Daniels, Ruth; Plaisance, Stephane et al

in PLoS ONE (2012), 7(4), 35544

A more detailed insight into disease mechanisms of multiple sclerosis (MS) is crucial for the development of new and more effective therapies. MS is a chronic inflammatory autoimmune disease of the ... [more ▼]

A more detailed insight into disease mechanisms of multiple sclerosis (MS) is crucial for the development of new and more effective therapies. MS is a chronic inflammatory autoimmune disease of the central nervous system. The aim of this study is to identify novel disease associated proteins involved in the development of inflammatory brain lesions, to help unravel underlying disease processes. Brainstem proteins were obtained from rats with MBP induced acute experimental autoimmune encephalomyelitis (EAE), a well characterized disease model of MS. Samples were collected at different time points: just before onset of symptoms, at the top of the disease and following recovery. To analyze changes in the brainstem proteome during the disease course, a quantitative proteomics study was performed using two-dimensional difference in-gel electrophoresis (2D-DIGE) followed by mass spectrometry. We identified 75 unique proteins in 92 spots with a significant abundance difference between the experimental groups. To find disease-related networks, these regulated proteins were mapped to existing biological networks by Ingenuity Pathway Analysis (IPA). The analysis revealed that 70% of these proteins have been described to take part in neurological disease. Furthermore, some focus networks were created by IPA. These networks suggest an integrated regulation of the identified proteins with the addition of some putative regulators. Post-synaptic density protein 95 (DLG4), a key player in neuronal signalling and calcium-activated potassium channel alpha 1 (KCNMA1), involved in neurotransmitter release, are 2 putative regulators connecting 64% of the identified proteins. Functional blocking of the KCNMA1 in macrophages was able to alter myelin phagocytosis, a disease mechanism highly involved in EAE and MS pathology. Quantitative analysis of differentially expressed brainstem proteins in an animal model of MS is a first step to identify disease-associated proteins and networks that warrant further research to study their actual contribution to disease pathology. [less ▲]

Detailed reference viewed: 84 (11 ULg)