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Sökning: onr:"swepub:oai:lup.lub.lu.se:da02d9ca-380e-402f-9a3d-f21bdf7fc323" > CD40L is not involv...

CD40L is not involved in acute experimental pancreatitis

Abdulla, Aree, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kirurgi, Surgery
Awla, Darbaz, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kirurgi, Surgery
Jeppsson, Bengt, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kirurgi, Surgery
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Regnér, Sara, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kirurgi, Surgery
Thorlacius, Henrik, (författare)
Forskargrupper vid Lunds universitet, Lund University Research Groups, Lunds universitet, Lund University, Kirurgi, Surgery
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2011
Engelska.
Ingår i: European Journal of Pharmacology. - Elsevier. - 1879-0712. ; 659:1, s. 85-88
  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • Recent data suggest that platelets not only control thrombosis and hemostasis but may also regulate inflammatory processes such as acute pancreatitis. However, the specific role of platelet-derived mediators in the pathophysiology of acute pancreatitis is not known. Herein, we examined the role of CD40 ligand (CD40L, CD154) in different models of acute pancreatitis. Acute pancreatitis was induced by repetitive caerulein administration (50 mu g/kg, i.p.) or infusion of sodium taurocholate (5%-10 mu l) into the pancreatic duct in wild-type C578L/6 and CD40L-deficient mice. Neutrophil infiltration, myeloperoxidase (MPO), macrophage inflammatory protein-2 (MIP-2) levels, acinar cell necrosis, edema and hemorrhage in the pancreas as well as serum amylase activity and lung levels of MPO were quantified 24 h after induction of acute pancreatitis. Caerulein and taurocholate challenge caused a clear-cut pancreatic damage characterized by increased acinar cell necrosis, neutrophil infiltration, focal hemorrhage, edema formation as well as increased levels of serum amylase and MIP-2 in the pancreas and lung MPO and histological damage. Notably, CD40L gene-deficient animals exhibited a similar phenotype as wild-type mice after challenge with caerulein and taurocholate. Similarly, administration of an antibody directed against CD40L had no effect against acute pancreatitis. Our data suggest that CD40L does not play a functional role in experimental acute pancreatitis. Thus, other candidates than CD40L needs to be explored in order to identify platelet-derived mediators in the pathophysiology of acute pancreatitis. (C) 2011 Elsevier B.V. All rights reserved.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Medicinska grundvetenskaper -- Farmakologi och toxikologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Basic Medicine -- Pharmacology and Toxicology (hsv//eng)

Nyckelord

Amylase
Chemokine
Inflammation
Neutrophil
Pancreatitis
Platelet

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