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See detailMyasthenia gravis without chronic GVHD after allogeneic bone marrow transplantation.
Baron, Frédéric ULg; Sadzot, Bernard ULg; Wang, François-Charles ULg et al

in Bone Marrow Transplantation (1998), 22(2), 197-200

A 20-year-old man with aplastic anemia developed myasthenia gravis (MG) 7 months after bone marrow transplantation (BMT) from an HLA one locus-mismatched sister. Proximal muscle weakness (predominant in ... [more ▼]

A 20-year-old man with aplastic anemia developed myasthenia gravis (MG) 7 months after bone marrow transplantation (BMT) from an HLA one locus-mismatched sister. Proximal muscle weakness (predominant in the lower limbs) and dysphagia occurred without any other sign of graft-versus-host disease (GVHD), 1 month after cessation of immunosuppression with cyclosporine. The diagnosis of MG was based on clinical symptoms and on neurophysiologic investigations showing a significant increase of the Jitter in single-fiber electromyography and a significant decremental response during repetitive stimulation at slow rates, but antibodies against the acetylcholine receptor (AchRab) were negative. All clinical and neurophysiological signs normalized within 1 month of treatment with low-dose prednisolone and pyridostigmine, and the patient is perfectly well 1 year after cessation of all therapy. All cases of BMT-associated MG previously published are reviewed in comparison with ours. The originality of this new observation is that this case is the only one not associated with chronic GVHD and negative for AchRab. Alternatively, MG may have been the sole manifestation of chronic GVHD in this patient. [less ▲]

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See detailLes mycétomes, pathologies exotiques et maladies de nos pays
Hassounah, A.; Rurangirwa, A.; Bouillenne, J. C. et al

in Revue Médicale de Liège (1990), 45

Les mycétomes sont des infections bactériennes ou mycotiques. Ils sont le plus souvent rapportés dans les pays tropicaux et subtropicaux, mais ils peuvent se rencontrer dans nos régions. Nous en ... [more ▼]

Les mycétomes sont des infections bactériennes ou mycotiques. Ils sont le plus souvent rapportés dans les pays tropicaux et subtropicaux, mais ils peuvent se rencontrer dans nos régions. Nous en rapportons cinq cas pour discuter une actualisation des moyens de diagnostic et les approches thérapeutiques. Ces affections sont caractérisées cliniquement par la présence de fistules et d'écoulements purulents contenant des grains visibles à l'oeil nu. Le diagnostic différentiel est l'actinomycose. [less ▲]

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See detailMycobacteria infections , paratuberculosis or Johne's disease
Linden, Annick ULg

in Gavier-Widen, Dolores; Duff, Paul; Meredith, Anna (Eds.) Infectious Diseases of Wild Mammals and Birds in Europe (2012)

Paratuberculosis, or Johne’s disease, is a chronic granulomatous enteritis of ruminants found worldwide and caused by Mycobacterium avium subsp. paratuberculosis (Map). The disease remains a subject of ... [more ▼]

Paratuberculosis, or Johne’s disease, is a chronic granulomatous enteritis of ruminants found worldwide and caused by Mycobacterium avium subsp. paratuberculosis (Map). The disease remains a subject of concern in many countries because diagnosis and control in livestock are difficult and expensive and due to possible zoonotic links with Crohn’s disease. The table of contents of the chapter “Paratuberculosis in wildlife” is presented below: - Aetiology - Epidemiology - Pathogenesis, Pathology and Immunity - Clinical signs and treatment - Diagnosis - Management, control and regulations - Public health concern - Significance and implication for animal health - Acknowledgements - References [less ▲]

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See detailMycobacterium bovis meningitis in a cow with clinical signs of BSE.
Roels, S.; Walravens, K.; Saegerman, Claude ULg et al

in Veterinary Record : Journal of the British Veterinary Association (2003), 152(26), 807-8

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See detailMycophenolate mofetil monotherapy in stable liver transplant recipients with progressive renal failure
Detry, Olivier ULg; De Roover, Arnaud ULg; Honore, Pierre ULg et al

in Transplantation Proceedings (2002), 34(3), 782-783

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See detailMycophenolate mofetil versus cyclophosphamide for induction treatment of lupus nephritis
Appel, Gerald B; Contreras, Gabriel; Dooley, Mary Anne et al

in Clinical Journal of the American Society of Nephrology (2009), 20(5), 1103-1112

Recent studies have suggested that mycophenolate mofetil (MMF) may offer advantages over intravenous cyclophosphamide (IVC) for the treatment of lupus nephritis, but these therapies have not been compared ... [more ▼]

Recent studies have suggested that mycophenolate mofetil (MMF) may offer advantages over intravenous cyclophosphamide (IVC) for the treatment of lupus nephritis, but these therapies have not been compared in an international randomized, controlled trial. Here, we report the comparison of MMF and IVC as induction treatment for active lupus nephritis in a multinational, two-phase (induction and maintenance) study. We randomly assigned 370 patients with classes III through V lupus nephritis to open-label MMF (target dosage 3 g/d) or IVC (0.5 to 1.0 g/m(2) in monthly pulses) in a 24-wk induction study. Both groups received prednisone, tapered from a maximum starting dosage of 60 mg/d. The primary end point was a prespecified decrease in urine protein/creatinine ratio and stabilization or improvement in serum creatinine. Secondary end points included complete renal remission, systemic disease activity and damage, and safety. Overall, we did not detect a significantly different response rate between the two groups: 104 (56.2%) of 185 patients responded to MMF compared with 98 (53.0%) of 185 to IVC. Secondary end points were also similar between treatment groups. There were nine deaths in the MMF group and five in the IVC group. We did not detect significant differences between the MMF and IVC groups with regard to rates of adverse events, serious adverse events, or infections. Although most patients in both treatment groups experienced clinical improvement, the study did not meet its primary objective of showing that MMF was superior to IVC as induction treatment for lupus nephritis. [less ▲]

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See detailMycophenolate versus azathioprine as maintenance therapy for lupus nephritis
Dooley, M. A.; Jayne, D.; Ginzler, E. M. et al

in New England Journal of Medicine [=NEJM] (2011), 365(20), 1886-1895

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See detailMycoplasma bovis : synthèse des connaissances actuelles
Thomas, Anne; Mainil, Jacques ULg; Linden, Annick ULg

in Annales de Médecine Vétérinaire (2003), 147(1, FEB-MAR), 23-39

Mycoplasmas frequently infect cattle. Amongst them, M. Bovis is the most pathogenic species in countries free from contagious bovine pleuropneumonia because it is responsible for bronchopneumonia ... [more ▼]

Mycoplasmas frequently infect cattle. Amongst them, M. Bovis is the most pathogenic species in countries free from contagious bovine pleuropneumonia because it is responsible for bronchopneumonia, arthritis and mastitis, and is thus associated with strong economic losses. Several studies have shown the frequency of M. bovis in Europe and the spread of antibiotic-resistant strains. Considering the absence of vaccine in Europe, it is essential to understand this bacteria in order to control the infection in cattle. In this context, this paper aims at summarizing the current knowledge about M. bovis. [less ▲]

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See detailMycoplasma bovis dans le complexe respiratoire bovin et propriétés de cyto-adhésion in vitro
Thomas, Anne; Dizier, Isabelle ULg; Sachse, K. et al

in Annales de Médecine Vétérinaire (2003), 147(4, AUG-SEP), 267-272

Mycoplasmas frequently infect cattle, causing especially respiratory diseases. Mycoplasma bovis is the most important pathogenic species in countries free of bovine contagious pleuropneumonia. This ... [more ▼]

Mycoplasmas frequently infect cattle, causing especially respiratory diseases. Mycoplasma bovis is the most important pathogenic species in countries free of bovine contagious pleuropneumonia. This species was frequently isolated in Belgium from cattle with respiratory disease. Furthermore, associations were often observed with pasteurellas and bovine respiratory syncytial virus. Of these M. bovis isolates, many were resistant to several antimicrobial agents which are used in cattle practice, except to fluoroquinolones. Inasmuch the high frequency of M. bovis isolation and antibiotic resistances, it is very important to understand the pathogenicity of this bacteria in order to optimize prophylactic tools. Therefore, the study of the cytadherence of M. bovis is essential since it represents the first step of the bacterial infection. According to our experimental results, PG45 is not representative of field isolates because of its low adherence rates to various cell lines. This could be explained by the high number of subcultures of this pathogenic strain underwent since its first isolation, which sharply contrasts with other isolates. M. bovis adheres specifically to bovine bronchial epithelial cells in primary culture. Proteins such as variable surface proteins C and F are involved in this step as observed by decreased adherence rates after trypsinization of mycoplasma cells or addition of monoclonal antibodies. [less ▲]

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See detailMycoplasma bovis shares insertion sequences with Mycoplasma agalactiae and Mycoplasma mycoides subsp mycoides SC: Evolutionary and developmental aspects
Thomas, Anne; Linden, Annick ULg; Mainil, Jacques ULg et al

in FEMS Microbiology Letters (2005), 245(2), 249-255

Three new insertion elements, IS Mbov1, ISMbov2 and ISMbov3, which are closely related to ISMag1 (Mycoplasma agalactiae), ISMmy1 and IS1634 (both Mycoplasma in mycoides subsp. in mycoides SC ... [more ▼]

Three new insertion elements, IS Mbov1, ISMbov2 and ISMbov3, which are closely related to ISMag1 (Mycoplasma agalactiae), ISMmy1 and IS1634 (both Mycoplasma in mycoides subsp. in mycoides SC), respectively, have been discovered in Mycoplasma bovis, an important pathogen of cattle. Southern blotting showed that the genome of M. bovis harbours 6-12 copies of ISMbov1, 11-15 copies of ISMbov2 and 4-10 copies of ISMbov3, depending on the strain. A fourth insertion element, the IS30-like element, is present in 4-8 copies. This high number of IS elements in AI bovis, which represent a substantial part of its genome, and their relatedness with IS elements of both M. agalactiae and M. mycoides subsp. mycoides SC suggest the occurrence of two evolutionary events: (i) a divergent evolution into ill. agalactiae and M. bovis upon infection of different hosts; (ii) a horizontal transfer of IS elements during co-infection with M. mycoides subsp. mycoides SC and Ad. bovis of a same bovine host. (c) 2005 Federation of European Microbiological Societies. Published by Elsevier B.V. All rights reserved. [less ▲]

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See detailLes mycoplasmes respiratoires bovins: prévalence et propriétés de cyto-adhésion
Thomas, A.; Dizier, Isabelle ULg; SACHSE, K. et al

in Annales de Médecine Vétérinaire (2003), 147(4), 267-272

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See detailLes mycoplasmes respiratoires des bovins : I. Clinique, diagnostic et traitement
Linden, Annick ULg; Thomas, A.; Mainil, Jacques ULg

in Annales de Médecine Vétérinaire (1998), 142

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See detailLes mycoplasmes respiratoires des bovins : II. Propriétés de virulence et vaccination
Mainil, Jacques ULg; Thomas, A.; Linden, Annick ULg

in Annales de Médecine Vétérinaire (1998), 142

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See detailmycoses
PIERARD, Gérald ULg; QUATRESOOZ, Pascale ULg; PIERARD-FRANCHIMONT, Claudine ULg

in Dermatologie et infections sexuellement transmissibles (2009)

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See detailLe mycosis fongoide et son paradigme renove.
Quatresooz, Pascale ULg; Pierard, Gérald ULg

in Revue Médicale de Liège (2010), 65(3), 147-51

Primary cutaneous lymphomas are distinguished by singular clinical, histological and prognostic features that are not shared by other lymphomas originating from the lymphoid tissues. This review is an ... [more ▼]

Primary cutaneous lymphomas are distinguished by singular clinical, histological and prognostic features that are not shared by other lymphomas originating from the lymphoid tissues. This review is an update of the current concepts about the biology, diagnosis and treatment of mycosis fungoides, the most frequent entity among the primary cutaneous T cell lymphomas. It is currently established that mycosis fungoides originates from T lymphocytes normally homing the dermis. Such a situation implies that treatments at least in the initial stages of the disease, should primarily target the skin without searching for an impact on internal lymphoid tissues. [less ▲]

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See detailMycosis fungoides progression and chronic solvent exposure
Nikkels, Arjen ULg; Quatresooz, Pascale ULg; Delvenne, Philippe ULg et al

in Dermatology : International Journal for Clinical & Investigative Dermatology (2004), 208(2), 171-173

The effect of repeated exposure to specific chemicals on the initiation or progression of mycosis fungoides (MF) remains unsettled. A patient with low-grade patch stage MF progressively developed MF ... [more ▼]

The effect of repeated exposure to specific chemicals on the initiation or progression of mycosis fungoides (MF) remains unsettled. A patient with low-grade patch stage MF progressively developed MF plaques restricted to his arms, and a tumour on his right thigh. These areas were subject to repeated exposure to solvents. His thigh was indeed in close contact with his trousers pocket where he used to store a wiping rag drenched into white spirit and cellulosic thinner. Immunophenotyping these lesions revealed a dense LCA+, CD2+, CD3+, CD4+, CD5+, CD7+, CD45+, CD45RO+ T-cell infiltrate admixed with many factor XIIIa+ dendrocytes. T-cell receptor rearrangement analysis identified a monoclonal T-cell infiltrate. An internal work-up remained negative. Stopping further solvent exposure failed to improve his condition. Oral corticotherapy combined with low-dose interferon-alpha2a halted disease progression. This observation suggests that long-term solvent exposure may trigger MF and hasten its progression from the patch stage to the plaque and tumour stages. Copyright (C) 2004 S. Karger AG, Basel. [less ▲]

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See detailMycosubtilin and surfactin are efficient, low ecotoxicity molecules for the biocontrol of lettuce downy mildew.
Deravel, Jovana; Lemiere, Sebastien; Coutte, Francois et al

in Applied microbiology and biotechnology (2014), 98(14), 6255-64

The use of surfactin and mycosubtilin as an eco-friendly alternative to control lettuce downy mildew caused by the obligate pathogen Bremia lactucae was investigated. Preliminary ecotoxicity evaluations ... [more ▼]

The use of surfactin and mycosubtilin as an eco-friendly alternative to control lettuce downy mildew caused by the obligate pathogen Bremia lactucae was investigated. Preliminary ecotoxicity evaluations obtained from three different tests revealed the rather low toxicity of these lipopeptides separately or in combination. The EC50 (concentration estimated to cause a 50 % response by the exposed test organisms) was about 100 mg L(-1) in Microtox assays and 6 mg L(-1) in Daphnia magna immobilization tests for mycosubtilin and 125 mg L(-1) and 25 mg L(-1) for surfactin, respectively. The toxicity of the mixture mycosubtilin/surfactin (1:1, w/w) was close to that obtained with mycosubtilin alone. In addition, the very low phytotoxic effect of these lipopeptides has been observed on germination and root growth of garden cress Lepidium sativum L. While a surfactin treatment did not influence the development of B. lactucae on lettuce plantlets, treatment with 100 mg L(-1) of mycosubtilin produced about seven times more healthy plantlets than the control samples, indicating that mycosubtilin strongly reduced the development of B. lactucae. The mixture mycosubtilin/surfactin (50:50 mg L(-1)) gave the same result on B. lactucae development as 100 mg L(-1) of mycosubtilin. The results of ecotoxicity as well as those obtained in biocontrol experiments indicated that the presence of surfactin enhances the biological activities of mycosubtilin. Mycosubtilin and surfactin were thus found to be efficient compounds against lettuce downy mildew, with low toxicity compared to the toxicity values of chemical pesticides. This is the first time that Bacillus lipopeptides have been tested in vivo against an obligate pathogen and that ecotoxic values have been given for surfactin and mycosubtilin. [less ▲]

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