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See detailQuinze ans d'anti-TNF dans la maladie de Crohn: comment tirer le meilleur de cette revolution therapeutique?
Louis, Edouard ULg; REENAERS, Catherine ULg; Meuwis, Marie-Alice ULg et al

in Revue Médicale de Liège (2012), 67 Spec No

After fifteen years of use, the anti-TNF antibodies have become the corner stone of the treatment of moderate and severe Crohn's disease. The skill acquired over the years through experimental trials and ... [more ▼]

After fifteen years of use, the anti-TNF antibodies have become the corner stone of the treatment of moderate and severe Crohn's disease. The skill acquired over the years through experimental trials and clinical experience leads to increased therapeutic efficacy and minimized risks. These antibodies are introduced increasingly earlier in Crohn's disease as well as in a broader range of patients, aiming at changing the natural history of the diseases by avoiding the development of intestinal tissue damage and complications. [less ▲]

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See detailGenetique et environnement dans les maladies inflammatoires chroniques de l'intestin.
Louis, Edouard ULg; VAN KEMSEKE, Catherine ULg; LATOUR, Pascale ULg et al

in Revue Médicale de Liège (2012), 67(5-6), 298-304

Inflammatory bowel diseases are both environmental and genetic illnesses. More than one hundred genes or loci involved in the regulation of innate or acquired immune response as well as intestinal mucosa ... [more ▼]

Inflammatory bowel diseases are both environmental and genetic illnesses. More than one hundred genes or loci involved in the regulation of innate or acquired immune response as well as intestinal mucosa homeostasis have been identified. Environmental studies have been less numerous up to now and only smoking and appendectomy have been validated, as protector for ulcerative colitis, while smoking is clearly associated with an increased risk and more severe forms of Crohn's disease. An important role is also currently suspected for the intestinal flora and the dysbiosis described in inflammatory bowel disease could contribute to the triggering or the persistence of the inflammation. New therapeutic strategies are currently studied, particularly aiming at targeting immune, inflammatory or homeostatic pathways corresponding to the predisposing gene variants. [less ▲]

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See detailEpidemiology of inflammatory bowel diseases in the elderly in the province of Liege - A three-year prospective study
Piront, Patricia ULg; Louis, Edouard ULg; Latour, Pascale ULg et al

in Gastroentérologie Clinique et Biologique (2002), 26(2), 157-161

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See detailIncidence of Inflammatory Bowel Disease in the Area of Liege: A 3 Years Prospective Study (1993-1996)
Latour, Pascale ULg; Louis, Edouard ULg; Belaiche, Jacques ULg

in Acta Gastro-Enterologica Belgica (1998), 61(4, Oct-Dec), 410-3

A first prospective epidemiological study of IBD was conducted in the area of Liege. The duration of the study was short taking into account the small size of the population (1 million inhabitants ... [more ▼]

A first prospective epidemiological study of IBD was conducted in the area of Liege. The duration of the study was short taking into account the small size of the population (1 million inhabitants). Therefore we carried out a 3 years prospective study. METHOD: Private and public gastroenterologists completed a questionnaire for each new case they diagnosed between 01.06.1993 and 31.05.1996. RESULTS: During that period 270 IBD patients were identified: 137 (51%) had Crohn's disease (CD), 111 (41%) had ulcerative colitis (UC) including 32 proctitis (29% of UC) and 22 (8%) had unclassified colitis. The mean annual incidence per 10(5) was 4.5 for CD and 3.6 for UC. The female/male ratio was 1,6 for CD and 0,5 for UC. The median age at the time of diagnosis was 30 years for CD and 39 years for UC. The mean time between the onset of symptoms and the diagnosis was 6,5 months for CD and only 4,8 months for UC. Family history of IBD was found in 15% of patients with CD and in 7% of UC. CONCLUSIONS: These data show a high incidence of IBD in the area of Liege. These results confirm those reported during the first year of the prospective study which were similar to those observed in North-western France. Contrary to the other countries of Northern Europe, the incidence of UC is lower than the one of CD. Belgium appears to be a privileged country to undertake a national register and to study epidemiological aspects of IBD. [less ▲]

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See detailIncidence of Inflammatory Bowel Disease in the Province of Liege (Belgium). La Societe De Gastroenterologie Liegeoise
Latour, Pascale ULg; Belaiche, Jacques ULg; Louis, Edouard ULg et al

in Acta Gastro-Enterologica Belgica (1996), 59(1, Jan-Mar), 3-6

Up to now, as there is no national registry of patients with inflammatory bowel disease (IBD) in Belgium, the study of IBD epidemiology in our country is only possible through institutional or regional ... [more ▼]

Up to now, as there is no national registry of patients with inflammatory bowel disease (IBD) in Belgium, the study of IBD epidemiology in our country is only possible through institutional or regional series. Therefore we conducted a prospective epidemiologic study of IBD in the Province of Liege (1 million inhabitants). METHODS: 29 (out of 47) private and public gastroenterologists completed a standard questionnaire for each patient consulting for the first time with clinical symptoms compatible with IBD between 1/06/1993 and 31/05/1994. RESULTS: During that period 104 cases of IBD were recorded: 56 (54%) Crohn's disease (CD), 36 (35%) ulcerative colitis (UC) including 7 proctitis (19% of UC) and 12 (11%) unclassified colitis. The annual incidence was 5.5 per 100.000 for CD and 3.5 for UC. The sex ratio F/M was 1.7 for CD and 0.7 for UC. The median age at the time of diagnosis was 33.5 yrs for CD and 40 yrs for UC. The highest age specific incidence rate for CD and UC was between 20 and 29 yrs : 13.6 and 6.1, respectively. CONCLUSIONS: This first Belgian prospective study has shown an incidence rate for CD comparable with that seen in north European studies but lower than that seen for UC. These results were similar to those observed in the northern part of France. Belgium appears to be a privileged country to undertake a national register and to study epidemiological aspects of IBD. [less ▲]

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See detailEffects of Proglumide and Enprostil on Omeprazole-Induced Fundic Endocrine Cell Hyperplasia in Rats
Delwaide, Jean ULg; Latour, Pascale ULg; Gast, Pierrette ULg et al

in Gastroentérologie Clinique et Biologique (1993), 17(11), 792-6

Long-term treatment with omeprazole induces hyperplasia of enterochromaffin-like cells, closely related to hypergastrinemia. We studied whether proglumide, an antagonist of gastrin/CCK receptor, and ... [more ▼]

Long-term treatment with omeprazole induces hyperplasia of enterochromaffin-like cells, closely related to hypergastrinemia. We studied whether proglumide, an antagonist of gastrin/CCK receptor, and enprostil, a synthetic prostaglandin E2 derivative, might inhibit this hyperplasia. Six groups of 8 rats were treated for 10 weeks: a) untreated controls; b) omeprazole 10 mumol/kg; c) proglumide 500 mg/kg; d) enprostil 30 micrograms/kg; e) association of omeprazole and proglumide; f) association of omeprazole and enprostil. Serum gastrin levels were measured at different times during treatment. After sacrifice, fundic argyrophil cells were assessed by Grimelius' staining. Serum gastrin levels and argyrophil cell density were not modified in proglumide- and enprostil-treated groups, as compared with controls. Omeprazole increased significantly these two parameters. When given with omeprazole, proglumide decreased significantly serum gastrin levels and argyrophil cell density, as compared to omeprazole alone, while enprostil did not modify significantly these two parameters. These results indicate that proglumide, but not enprostil, can counteract the omeprazole-induced argyrophil cell hyperplasia in rats. [less ▲]

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See detailPhysiologie de la cellule enterochromaffin-like (ECL) dans la régulation de la sécrétion gastrique acide
Delwaide, Jean ULg; Belaiche, Jacques ULg; Latour, Pascale ULg

in Médecine & Chirurgie Digestives (1993), 22

Cette mise au point rappellera d'abord les grands mécanismes de la sécrétion gastrique acide en insistant sur le rôle pivot de l'histamine. Une question qui demeurait encore non résolue était de savoir ... [more ▼]

Cette mise au point rappellera d'abord les grands mécanismes de la sécrétion gastrique acide en insistant sur le rôle pivot de l'histamine. Une question qui demeurait encore non résolue était de savoir quelle était la cellule fundique qui produisait de l'histamine dans les conditions physiologiques. Deux cellules seront envisagées, les mastocytes et les cellules ECL qui sont des cellules endocrines exclusivement localisées dans le fundus. Quelques arguments seront développés, dont ceux provenant de notre expérience, permettant de penser que la cellule ECL contient de l'histamine. L'article se terminera par un essai d'intégration de la cellule ECL dans le schéma de la sécrétion gastrique acide en montrant son rôle essentiel potentiel. [less ▲]

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