PMID: 7540610Apr 1, 1995Paper

A new extracellular type solution for lung preservation: "in vitro" comparison with Beltzer, low potassium Dextran and Euro-Collins solutions by means of human lung fibroblasts

The Journal of Cardiovascular Surgery
L SpaggiariA F Borghetti

Abstract

The attempt to synthesise efficacious solution to prolong lung preservation is, at present one of the most interesting challenges in transplant research. Recently, several issues emphasise the central role of ionic composition of lung-flush solutions, underlining, however, that colloid-free solutions are clearly detrimental. We have been studying a complex extracellular type solution (SPAL UP) synthesised to minimise the pathological events that occur during both preservation and reperfusion period. We report the results of toxicity of SPAL UP on normal human fibroblasts obtained from foetal lung (WI-38). WI-38 cells were seeded at 1.4 x 10(4)/cm2 in disposable plastic 12-well plates. After 3 days, cells were incubated in SPAL UP, Beltzer (UWS), Low Potassium Dextran (LPD) and Eurocollins (ECS) solutions for 6 hours at 10 degrees C. Cellular viability was evaluated by the rate of protein synthesis exploiting the incorporation of 35S-Methionine (2 microCi/ml) in growth medium with 10 mM unlabelled Methionine during 30 minutes incubation at 37 degrees C. The results were expressed as nmol. 35S-Methionine/mg of proteins/minute, and presented as means +/- SD of data of three (n = 3) well for each solution studied. the viability at ...Continue Reading

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