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See detailLipofibromatous hamartoma of the median nerve. Three case reports.
Nardella, D; Sohawon, S; CARLIER, Alain ULg

in Journal of Plastic, Reconstructive and Aesthetic Surgery (2009), 62(9), 314-7

Nervous lipofibromatous hamartoma is a rare tumour-like condition involving the peripheral nerves, whereby the epineurium and perineurium are enlarged and distorted by excess fatty and fibrous tissues ... [more ▼]

Nervous lipofibromatous hamartoma is a rare tumour-like condition involving the peripheral nerves, whereby the epineurium and perineurium are enlarged and distorted by excess fatty and fibrous tissues that infiltrate between and around nerve boundaries. The median nerve is much more likely than other nerves to develop a hamartoma with a predilection for the carpal tunnel. In this article, we describe three cases of lipofibromatous hamartoma of the median nerve and discuss its management. [less ▲]

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See detailLipolyse electromagnetique et lipoatrophie semi-circulaire des cuisses
Flagothier, Caroline ULg; Quatresooz, Pascale ULg; Pierard, Gérald ULg

in Annales de Dermatologie et de Vénéréologie (2006), 133(6-7, Jun-Jul), 577-80

INTRODUCTION: The semicircular lipoatrophy of the thighs is a disorder whose incidence remained rare for years. Only recently, an "epidemic" situation emerged, affecting hundreds of subjects who shared a ... [more ▼]

INTRODUCTION: The semicircular lipoatrophy of the thighs is a disorder whose incidence remained rare for years. Only recently, an "epidemic" situation emerged, affecting hundreds of subjects who shared a status of administrative employee. OBSERVATION: The older etiopathogenic hypotheses give way to a newer one implying the electromagnetic fields generated by computers and their wirings. The resulting modifications in the intrinsic bioelectrical properties of the skin could influence the biology of macrophages exhibiting lipophagic activity in the hypodermis. The electroactivation of these cells could lead to TNF-alpha release. DISCUSSION: The semicircular lipoatrophy of the thighs is a problem that may affect an employee out of two. Rather than hoping an efficaceous drug therapy, prevention must be advocated by adapting the work conditions related to the use of computerized devices. [less ▲]

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See detailLipolysis inhibition by proteose-peptone : an interfaciale study.
Danthine, Sabine ULg; Blecker, Christophe ULg; Deroanne, Claude

Poster (2004, February 11)

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See detailLipomatose pelvienne associee a une cystite glandulaire: rapport de deux cas
Leruth, Elisabeth; Coppens, Luc ULg; Andrianne, Robert ULg et al

in Progrès en Urologie (2005), 15(1), 81-4

The authors report two cases of pelvic lipomatosis associated with glandular cystitis. This is a rare disease with variable and nonspecific clinical features. Complementary investigations useful for the ... [more ▼]

The authors report two cases of pelvic lipomatosis associated with glandular cystitis. This is a rare disease with variable and nonspecific clinical features. Complementary investigations useful for the diagnosis of pelvic lipomatosis are CT and especially MRI, intravenous urography and biopsies. The clinical features, radiological findings and therapeutic approach are discussed in the light of a review of the literature. [less ▲]

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See detailLipomatous hypertrophy of the interatrial septum: the typical echographic aspect is worth being known
ROYER, Ludovic ULg; HANS, Grégory ULg; CANIVET, Jean-Luc ULg et al

in Acta Anaesthesiologica Belgica (2011), 62(3), 157-159

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See detailLipopeptides alter Bacillus subtilis hydrophobicity by adsorbing onto cell surfaces
Ahimou, François; Razafindralambo, Hary ULg; Paquot, Michel ULg

Poster (1997, October 29)

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See detailLes lipopeptides de Bacillus subtilis dans le domaine des émulsions
Deleu, Magali ULg

in Triennale de la FABI: évolution technologique et emploi (1997)

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See detailThe lipopeptides mycosubtilin and surfactin enhance spreading of Bacillus subtilis strains by their surface-active properties.
Leclere, Valerie; Marti, Romain; Bechet, Max et al

in Archives of microbiology (2006), 186(6), 475-83

The colonizing behaviour and the pellicle formation of Bacillus subtilis strains producing different families of lipopeptides were evaluated under several cultural conditions. The pattern of lipopeptides ... [more ▼]

The colonizing behaviour and the pellicle formation of Bacillus subtilis strains producing different families of lipopeptides were evaluated under several cultural conditions. The pattern of lipopeptides produced determined the architecture of the colony on a swarming medium as well as the flotation and the thickness of the pellicle formed at the air/liquid interface. The overproduction of mycosubtilin, a lipopeptide of the iturin family, led to increased spreading but had no effect on pellicle formation. A physico-chemical approach was developed to gain an insight into the mode of action of the biosurfactants facilitating the colonization. A relationship between surface tension of the culture medium and spreading of a lipopeptide non-producing strain, B. subtilis 168, was established. Goniometry was used to highlight the modification of the in situ wettability in the area where spreading was enhanced. On a solid medium, co-cultures of a surfactin producing with other strains showed a diffusion ring of the surfactin around the colony. This ring characterized by a higher wettability favoured the propagation of other colonies. [less ▲]

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See detailLe lipopolysaccharide d’Escherichia coli : structure, biosynthèse et rôles
Szalo, Ioan Mihai ULg; Taminiau, Bernard ULg; Mainil, Jacques ULg

in Annales de Médecine Vétérinaire (2006), 150(2), 108-124

The lipopolysaccharide (LPS) is a major component of the surface of the Gram negative bacteria. The LPS is composed of three separately synthesized entities: the lipid A, the core oligosaccharide and the ... [more ▼]

The lipopolysaccharide (LPS) is a major component of the surface of the Gram negative bacteria. The LPS is composed of three separately synthesized entities: the lipid A, the core oligosaccharide and the O antigen, that will be linked together after their respective synthesis. The lipid A, embedded inside the outer membrane, is the proximal part of the LPS and the core is the medial part, whereas the O antigen represents the distal part free in the external environment. Amongst the Enterobacteriaceae family, the lipid A is structurally highly conserved and the variation in the structure of the core oligosaccharide is limited whereas the O antigen is the hypervariable region. Diverse biological activities have been associated with LPS, amongst which the endotoxinic activity carried by the lipid A, and the strain immunogenic specificity carried by the O antigen. In this review manuscript we summarize the state of knowledge on the structures and biosynthesis of the different components of the LPS of Escherichia coli and on their respective roles in the virulence of pathogenic bacteria. [less ▲]

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See detailLipopolysaccharide suppresses immune complex retention by follicular dendritic cells without cytological alterations.
Heinen, Ernst ULg; Cormann, N.; Kinet-Denoel, C. et al

in Immunology Letters (1986), 13(6), 323-7

Follicular dendritic cells (FDC) are peculiar cells only located inside lymph follicles and which may be characterized by complex dendritic evaginations retaining high quantities of immune complexes by Fc ... [more ▼]

Follicular dendritic cells (FDC) are peculiar cells only located inside lymph follicles and which may be characterized by complex dendritic evaginations retaining high quantities of immune complexes by Fc and C3b receptors. After lipopolysaccharide (LPS) injection in mice the retention of gold-labelled immune complexes was abolished in draining lymph nodes. In order to examine the possibility that the transport of immune complexes to lymph follicles was impaired, we isolated FDC from lymph nodes and incubated them in presence of gold-labelled complexes: no or strongly reduced retention was then observed at the ultrastructural level. This LPS-induced impairment of immune complex fixation by FDC is not due to morphological alteration to the cells but to the inhibition of their Fc and C3b receptors. Further, LPS induces changes in the composition of the lymphocyte population in lymph follicles as higher numbers of blast cells and plasmocytes are observed after treatment. [less ▲]

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See detailLipopolysaccharide-mediated interferon regulatory factor activation involves TBK1-IKK epsilon-dependent lys(63)-linked polyubiquitination and phosphorylation of TANK/I-TRAF
GATOT, Jean-Stéphane ULg; Gioia, Romain ULg; Chau, Tieu-Lan ULg et al

in Journal of Biological Chemistry (2007), 282(43), 31131-31146

Type I interferon gene induction relies on IKK-related kinase TBK1 and IKK epsilon-mediated phosphorylations of IRF3/7 through the Toll-like receptor-dependent signaling pathways. The scaffold proteins ... [more ▼]

Type I interferon gene induction relies on IKK-related kinase TBK1 and IKK epsilon-mediated phosphorylations of IRF3/7 through the Toll-like receptor-dependent signaling pathways. The scaffold proteins that assemble these kinase complexes are poorly characterized. We show here that TANK/ITRAF is required for the TBK1- and IKK epsilon-mediated IRF3/7 phosphorylations through some Toll-like receptor-dependent pathways and is part of a TRAF3-containing complex. Moreover, TANK is dispensable for the early phase of double-stranded RNA-mediated IRF3 phosphorylation. Interestingly, TANK is heavily phosphorylated by TBK1-IKK epsilon upon lipopolysaccharide stimulation and is also subject to lipopolysaccharide- and TBK1-IKK epsilon-mediated Lys(63)-linked polyubiquitination, a mechanism that does not require TBK1-IKK epsilon kinase activity. Thus, we have identified TANK as a scaffold protein that assembles some but not all IRF3/7-phosphorylating TBK1-IKK epsilon complexes and demonstrated that these kinases possess two functions, namely the phosphorylation of both IRF3/7 and TANK as well as the recruitment of an E3 ligase for Lys63-linked polyubiquitination of their scaffold protein, TANK. [less ▲]

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See detailLiposome surface charge influence on skin penetration behaviour
Gillet, Aline ULg; Compère, Philippe ULg; Lecomte, Frédéric ULg et al

in International Journal of Pharmaceutics (2011), 411(1-2), 223-231

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See detailLiposomes and parameters affecting their skin penetration behaviour
Gillet, Aline ULg; Evrard, Brigitte ULg; Piel, Géraldine ULg

in Journal of Drug Delivery Science and Technology [=JDDST] (2011), 21

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See detailLiposomes loaded with diglyceride ester of methotrexate and mephalan: sutdies on stability and hemocompatibilit
Kuznetsova, N; Sevrin, Chantal ULg; Lespineux, David et al

Poster (2009, September 28)

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See detailLiposomes loaded with diglyceride esters of methotrexate and melphalan: studies on stability and hemocompatibility
Kuznetsova, N; Kandyba, A; Bovin, N et al

in Proceedings of the International Liposome Society 2009 Meeting (2009, December 12)

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See detailLiposomes loaded with diglyceride esters of methotrexate and mephalan studies on stability and hemocompatibility
Kuznetsova, N; Kandyba, A.K.; Bovin, N et al

in European Cells and Materials (2010, November 03), 20(3), 152

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See detailLiposomes loaded with diglyceride esters of methotrexate and mephalan studies on stability and hemocompatibility
Kuznetsova, N; Kandyba, A.K; Bovin, N et al

Poster (2010, August 24)

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See detailThe lipoxygenase metabolic pathway in plants: potential for industrial production of natural green leaf volatiles
Gigot, Cédric ULg; Ongena, Marc ULg; Fauconnier, Marie-Laure ULg et al

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2010), 14(3), 451-460

Lipoxygenase enzymatic pathway is a widely studied mechanism in the plant kingdom. Combined actions of three enzymes: lipase, lipoxygenase (LOX) and hydroperoxide lyase (HPL) convert lipidic substrates ... [more ▼]

Lipoxygenase enzymatic pathway is a widely studied mechanism in the plant kingdom. Combined actions of three enzymes: lipase, lipoxygenase (LOX) and hydroperoxide lyase (HPL) convert lipidic substrates such as C18:2 and C18:3 fatty acids into short chain volatiles. These reactions, triggered by cell membrane disruptions, produce compounds known as Green Leaf Volatiles (GLVs) which are C6 or C9-aldehydes and alcohols. These GLVs are commonly used as flavors to confer a fresh green odor of vegetable to food products. Therefore, competitive biocatalytic productions have been developed to meet the high demand in these natural flavors. Vegetable oils, chosen for their lipidic acid profile, are converted by soybean LOX and plant HPL into natural GLVs. However this second step of the bioconversion presents low yield due to the HPL instability and the inhibition by its substrate. This paper will shortly describe the different enzymes involved in this bioconversion with regards to their chemical and enzymatic properties. Biotechnological techniques to enhance their production potentialities will be discussed along with their implication in a complete bioprocess, from the lipid substrate to the corresponding aldehydic or alcoholic flavors. [less ▲]

Detailed reference viewed: 69 (15 ULg)