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Altered mRNA expression due to acute mesenteric ischaemia in a porcine model
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2011 (Engelska)Ingår i: European Journal of Vascular and Endovascular Surgery, ISSN 1078-5884, E-ISSN 1532-2165, Vol. 41, nr 2, s. 281-287Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

INTRODUCTION: Messenger RNA (mRNA) changes in the small intestine in response to acute mesenteric ischaemia (AMI) could offer novel diagnostic possibilities, but have not been described. The aim was to characterize the mRNA response to experimental AMI.

MATERIALS AND METHODS: Twelve pigs underwent catheterisation of the superior mesenteric artery with injection of polivinylalcohol embolisation particles or sodium chloride. Laparotomy and intestinal tissue sampling were performed. Microarray analysis was performed using the GeneChip(®) whole porcine genome array.

RESULTS: Seven down-regulated cellular pathways were associated with protein, lipid and carbohydrate metabolism. Seventeen up-regulated pathways were associated with inflammatory and immunological activity, regulation of extracellular matrix and decreased cellular proliferation. Thrombospondin (THS), monocyte chemoattractant protein 1(MCP-1) and gap junction alpha 1(GJA-1) were consistently up-regulated in all embolised pigs. Genes encoding earlier proposed biomarkers for AMI were up-regulated, such as lactate dehydrogenase and creatine kinase, or down-regulated, such as intestinal fatty acid binding protein and glutathione S-transferase.

CONCLUSION: This study describes the intestinal tissue response on a gene expression level to AMI. THS, MCP-1 and GJA-1 were consistently up-regulated by ischaemia, whereas earlier proposed biomarkers for AMI were not. Gene expression may not be directly linked to the use of the corresponding proteins as potential clinical biomarkers.

Ort, förlag, år, upplaga, sidor
2011. Vol. 41, nr 2, s. 281-287
Nationell ämneskategori
Kardiologi Kirurgi
Identifikatorer
URN: urn:nbn:se:umu:diva-79795DOI: 10.1016/j.ejvs.2010.09.012ISI: 000288469000022PubMedID: 21095140OAI: oai:DiVA.org:umu-79795DiVA, id: diva2:644882
Tillgänglig från: 2013-09-02 Skapad: 2013-09-02 Senast uppdaterad: 2018-06-08Bibliografiskt granskad

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Nilsson, Torbjörn K

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Nilsson, Torbjörn K
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European Journal of Vascular and Endovascular Surgery
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