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Sökning: hsv:(MEDICIN OCH HÄLSOVETENSKAP) hsv:(Klinisk medicin) hsv:(Gastroenterologi) > (2010-2019) > Högskolan Dalarna

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1.
  • Henriksson, C., et al. (författare)
  • What effect does breastfeeding have on coeliac disease? : A systematic review update
  • 2013
  • Ingår i: Evidence-Based Medicine. - : BMJ. - 1356-5524 .- 1473-6810. ; 18:3, s. 98-103
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To update the evidence published in a previous systematic review and meta-analysis that compared the effect of breastfeeding on risk of coeliac disease (CD). Material and methods: A systematic review of observational studies published between 1966 and May 2004 on the subject was conducted in 2005. This update is a systematic review of observational studies published between June 2004 and April 2011. Pubmed, EMBASE and Cinahl were searched for published studies that examined the association between breastfeeding and CD. Results: After duplicates were removed 90 citations were screened. Four observational studies were included in the review. Two of three studies which had examined the duration of breastfeeding and CD reported significant associations between longer duration of breastfeeding and later onset of CD (OR ranged from 0.18 to 0.665). Breastfeeding during the introduction of gluten to the infant was reported to have a protective effect in two studies. Conclusions: Our findings support previous published findings that breastfeeding seems to offer a protection against the development of CD in predisposed infants. Breastfeeding at time of gluten introduction is the most significant variable in reducing the risk. Timing of gluten introduction may also be a factor in the development of CD.
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2.
  • Webb, Dominic-Luc, et al. (författare)
  • The type 2 CCK/gastrin receptor antagonist YF476 acutely prevents NSAID-induced gastric ulceration while increasing iNOS expression
  • 2013
  • Ingår i: Naunyn-Schmiedeberg's Archives of Pharmacology. - : Springer Verlag (Germany). - 0028-1298 .- 1432-1912. ; 386:1, s. 41-49
  • Tidskriftsartikel (refereegranskat)abstract
    • YF476 differs from the proton pump inhibitor (PPI) esomeprazole in mode of action by antagonizing the type 2 receptor of cholecystokinin/gastrin (CCK-2R). YF476 protection against diclofenac-induced gastric ulcers was compared to esomeprazole and correlated with plasma levels of hormones related to gastric pH (gastrin, ghrelin, and somatostatin), gastric gene expression of these hormones, their receptors, and inducible nitric oxide synthase (iNOS). YF476 or esomeprazole pretreatments were followed by diclofenac. Four hours later, gastric tissue was excised and analyzed for ulcer index. An intragastrically implanted Bravo capsule measured pH for 5 days during YF476 plus pentagastrin treatment. Changes in gene expression were assayed for gastrin, ghrelin, and somatostatin; their receptors; and iNOS. YF476 acutely (within 4 h) protected against diclofenac-induced gastric ulcers equivalent to esomeprazole. Gastric pH recorded during 5 days in the presence of pentagastrin was 1.83 (+/- 0.06). YF476 raised pH to 3.67 (+/- 0.09) and plasma ghrelin, gastrin, and somatostatin increased. YF476 increased gene expression of somatostatin receptor and gastrin, while ghrelin receptor decreased; transcripts coding ghrelin, somatostatin, and CCK-2R remained unchanged. In the presence of diclofenac, esomeprazole increased expression of all these transcripts and that of iNOS, while YF476 yielded only decreased CCK-2R and increased iNOS transcripts. YF476 is a potential new preventative treatment for patients at risk of nonsteroidal antiinflammatory drug (NSAID)-induced ulceration. Gastric gene expressions of ghrelin, gastrin, and somatostatin and their receptors differ between esomeprazole and YF476. Despite these differences and different modes of action to raise gastric pH, both drugs acutely increase iNOS, suggesting iNOS expression parallels pH.
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