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Sökning: WFRF:(Lundell M) > (2010-2014)

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  • Aminoff, A, et al. (författare)
  • Allele-specific regulation of MTTP expression influences the risk of ischemic heart disease.
  • 2010
  • Ingår i: Journal of lipid research. - 0022-2275 .- 1539-7262. ; 51:1, s. 103-11
  • Tidskriftsartikel (refereegranskat)abstract
    • Promoter polymorphisms in microsomal triglyceride transfer protein (MTTP) have been associated with decreased plasma lipids but an increased risk for ischemic heart disease (IHD), indicating that MTTP influences the susceptibility for IHD independent of plasma lipids. The objective of this study was to characterize the functional promoter polymorphism in MTTP predisposing to IHD and its underlying mechanism. Use of pyrosequencing technology revealed that presence of the minor alleles of the promoter polymorphisms -493G>T and -164T>C result in lower transcription of MTTP in vivo in the heart, liver, and macrophages. In vitro experiments indicated that the minor -164C allele mediates the lower gene expression and that C/EBP binds to the polymorphic region in an allele-specific manner. Furthermore, homozygous carriers of the -164C were found to have increased risk for IHD as shown in a case-control study including a total of 544 IHD patients and 544 healthy control subjects. We concluded that carriers of the minor -164C allele have lower expression of MTTP in the heart, mediated at least partly by the transcription factor CCAAT/enhancer binding protein, and that reduced concentration of MTTP in the myocardium may contribute to IHD upon ischemic damage.
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  • Ericson, J, et al. (författare)
  • Large-diameter (30-35 mm) pneumatic balloon dilatation of the pylorus in patients with gastric outlet obstruction symptoms after esophagectomy
  • 2013
  • Ingår i: Scandinavian journal of surgery : SJS : official organ for the Finnish Surgical Society and the Scandinavian Surgical Society. - : SAGE Publications. - 1799-7267. ; 102:2, s. 83-86
  • Tidskriftsartikel (refereegranskat)abstract
    • Functional gastric outlet obstruction is a common problem after esophagectomy. The aim of this study was to evaluate the safety and efficacy of treating this group of patients with pneumatic dilatation of the pyloric sphincter region using a large-diameter (30–35 mm) balloon. Material and Methods: A review of all patients who had undergone pneumatic dilatation of the pylorus sphincter because of gastric outlet obstruction symptoms after esophagectomy at the Karolinska University Hospital from 2006–2011 was completed. Main outcomes were recordings of nausea, regurgitation and bloating. Results: A total of 13 patients received pneumatic dilatation after an esophagectomy. The median time between esophagectomy and the first dilatation was 100 days, and the patients underwent a total of 21 dilatations (1–3 per patient) to a final median diameter of 30 mm. No procedure-related complications occurred. The median follow-up time was 205 days, and nausea and regurgitation improved significantly (p < 0.001, Fisher’s test). Conclusions: Pneumatic dilatation of the pylorus using a large-diameter pneumatic balloon seems to be a safe and effective method for treating symptoms suggestive of gastric outlet obstruction after esophagectomy. To document its true effectiveness, a randomized and sham-controlled study is needed.
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