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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Polymorphonuclear leukocyte integrins in chronic renal failure.

Patients with chronic renal failure (CRF), in comparison with general population, show a higher cardiovascular mortality, not fully explained by the "traditional" risk factors. Among the new factors that have been hypothesized, leukocytes might play an important role. In a group of patients with mild CRF we determined, at baseline and after in vitro activation with 4-phorbol-12-myristate-13-acetate (PMA) and N-formyl-methionyl-leucyl-phenylalanine (fMLP), the polymorphonuclear leukocytes (PMN) beta2-integrin pattern (CD11a, CD11b, CD11c and CD18) by using indirect immunofluorescence with a flow cytometer. At baseline we observed an increase in the phenotypical expression of CD11b, CD11c and CD18 in CRF patients. In normal subjects, after activation with both agents, we noted an increase of all adhesion molecules, while in CRF patients we found an increase in the expression of CD11b, CD11c and CD18 but not of CD11a. The altered behaviour of the PMN integrin pattern in mild CRF patients, likely reflecting a state of PMN activation, might have a pathophysiological significance, considering the high incidence of cardiovascular events in CRF.[1]


  1. Polymorphonuclear leukocyte integrins in chronic renal failure. Caimi, G., Montana, M., Carollo, C., Porretto, F., Vaccaro, F., Canino, B., Lo Presti, R. Clin. Hemorheol. Microcirc. (2005) [Pubmed]
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