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See detailPolyamine as innate immunity modulator
Peulen, Olivier ULg; Powroznik, Brigitte; Gharbi, Myriam ULg et al

in Pflügers Archiv : European Journal of Physiology (2004), 449

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See detailPolyamines as essential substances in metabolism
Dandrifosse, Anne-catherine; Deloyer, Patricia; Loret, Suzanne et al

in Trends in Comparative Biochemistry and Physiology (2002), 9

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See detailPolyamines as preventive agents of food allergy (CEE, COST 917)
Grandfils, Christian ULg; Peulen, Olivier ULg; Deloyer, P et al

Conference (1998, May)

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See detailPolyamines in gut inflammation and allergy
Peulen, Olivier ULg; Deloyer, Patricia; Deville, Christelle ULg et al

in Current Medicinal Chemistry - Anti-Inflammatory & Anti-Allergy Agents (2004), 3

The natural polyamines, named 1,4-diaminobutane, N-aminopropyl-1,4-diaminobutane and N,N'-bisaminopropyl- 1,4-diaminobutane, are also designated respectively as putrescine, spermidine and spermine. They ... [more ▼]

The natural polyamines, named 1,4-diaminobutane, N-aminopropyl-1,4-diaminobutane and N,N'-bisaminopropyl- 1,4-diaminobutane, are also designated respectively as putrescine, spermidine and spermine. They are polycationic compounds found in all eukaryotic cells. As they are deeply involved in cell functions, e.g. cellular growth, their concentration and their equilibrium in the intracellular pool are maintained in very narrow limits by regulatory mechanisms acting in a very fast, sensitive and precise way. These compounds are involved in gut inflammatory processes and in allergy. Indeed, they control the production of inflammatory mediators in several cell lines or tissues. Polyamine metabolism could be considered as a putative target for inflammation, allergy prevention or therapy. [less ▲]

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See detailPolyatomic molecules in late-type stars.
Swings, Polydore ULg; McKellar, A.

in Astrophysical Journal (1948), 108

Some general problems connected with the presence of polyatomic molecules in stellar atmospheres are noted, and, in particular, reasons are advanced in favor of attributing at least part of the intensity ... [more ▼]

Some general problems connected with the presence of polyatomic molecules in stellar atmospheres are noted, and, in particular, reasons are advanced in favor of attributing at least part of the intensity drop and fluctuations in the spectra of the N-type stars violetward of λ 4100 to the triatomic molecule CH2. [less ▲]

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See detailPolycaprolactone-based block copolymers. I - Synthesis by anionic-coordination type catalysts
Heuschen, J.; Jérôme, Robert ULg; Teyssié, Philippe

in Macromolecules (1981), 14(2), 242-246

Bimetallic µ-oxalok oxides are very active anionic coordination type catalysts in the living polymerization of t-caprolactone. These compounds have a well-defined composition which can be systematically ... [more ▼]

Bimetallic µ-oxalok oxides are very active anionic coordination type catalysts in the living polymerization of t-caprolactone. These compounds have a well-defined composition which can be systematically modified. It is proposed that at least half the alkoxy groups of these catalysts are replaced by carboxylate ones and the remaining alkoxy groups by any hydroxyl-terminated polymer PX. These new polymer PX-supported catalysts are powerful tools in tailoring poly(ε-capro1actone) block copolymers with well controlled molecular parameters. [less ▲]

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See detailPolycationes: interacciones con estructuras biológicas y futuras aplicationes
Grandfils, Christian ULg; Foresto, Patricia; Valverde, N et al

Conference (2004, December 02)

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See detailPolycations : relationship between chemical structure and biological behavior
Grandfils, Christian ULg; Peulen, Olivier ULg; Deloyer, Patricia et al

in Morgan, D.; White, A.; Sanchez-Jimenez, F. (Eds.) et al COST 917 Biologically active amines in food. Volume IV (2000)

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See detailPolycations and biological behaviour
Grandfils, Christian ULg

Scientific conference (2005, October 19)

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See detailPolycations: relationship between chemical structure and biological behaviour
Grandfils, Christian ULg; Peulen, Olivier ULg; Deloyer, P et al

in Biologically active amines in food (2000)

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See detailPolychlorinated Biphenyls affect Histological Appearance of European sea bass (Dicentrarchus labrax) Thyroids
Schnitzler, Joseph ULg; Klaren, Peter; Celis, Niko et al

Conference (2010)

Polychlorobiphenyls (PCBs) are well-described endocrine disrupters and of particular interest are effects on thyroid function. We propose here a thorough approach to assess effects of these compounds on ... [more ▼]

Polychlorobiphenyls (PCBs) are well-described endocrine disrupters and of particular interest are effects on thyroid function. We propose here a thorough approach to assess effects of these compounds on the thyroid function of European sea bass (Dicentrarchus labrax). An experimental exposure of sea bass to commercial PCB mixtures has been designed to understand underlying toxicity mechanisms and effects on the thyroid system. After 120 days of exposure histological appearance of thyroid tissue was assessed by light and electron microscopy. The follicle area, perimeter, diameter, length and with of every follicle cross section were interactively measured. The shape of the follicles was described with three dimensionless shape descriptors: roundness, form factor and aspect ratio. The histomorphometrical analysis showed a greater heterogeneity of thyroid follicle diameter and especially higher epithelial cell heights in sea bass exposed to environmental relevant doses of PCB (from 0.3 to 0.9 μg g-1 [7 ICES PCB]). Ultrastructural histological investigations showed that the epithelial cells surrounding the bigger follicles present an higher accumulation of colloid droplets. This was interpreted to be the result of increased stimulation of follicular cells. No differences in shape could be identified among the different treatment groups The size of the follicles and the form of the follicular cells gives an indication of the secretary activity of the gland. These observations support the hypothesis that the contamination of PCB mixtures can induce a hyperactivity of the thyroid tissue. These observations were confirmed by measurements of muscular thyroid hormone concentrations and activity thyroid hormone metabolism. [less ▲]

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See detailpolychlorinated biphenyls contamination in women with breast cancer
Charlier, Corinne ULg; Albert, Adelin ULg; Zhang, Lixin ULg et al

in Clinica Chimica Acta (2004), 347

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See detailPolyclonal Bovine Sera But Not Virus-Neutralizing Monoclonal Antibodies Block Bovine Leukemia Virus (Blv) Gp51 Binding To Recombinant Blv Receptor Blvrcp1
Orlik, O.; Ban, J.; Hlavaty, J. et al

in Journal of Virology (1997), 71(4),

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See detailLa polyendocrinopathie de type 1, de la clinique au gêne
Beckers, Albert ULg

Scientific conference (2001, November 23)

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See detailLes polyendocrinopathies de type I, aspect épidémiologique
Beckers, Albert ULg

Scientific conference (1993, May 14)

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