PMID: 11905501Mar 22, 2002Paper

Effect of perfusion and preservation on IL1-beta, IL-6, and IL-10 production in murine lung

Journal of Investigative Surgery : the Official Journal of the Academy of Surgical Research
A Sotres-VegaP Santillàn-Doherty

Abstract

We evaluated the production of the interleukins (ILs) IL-1beta, IL-6, and IL-10 in both the vasculature and pulmonary tissue before and after 24 h of lung preservation. The cardiopulmonary blocs of 21 Balb-c mice were divided into three study groups (7 mice/group) and were flushed through the pulmonary artery with Krebs-Henseleit buffer (K-Hb) at 4 degrees C at a rate of 0.2 mL/min as follows: Group 1, lung washout: lungs were flushed until pulmonary effluent was clear. Group 2, perfusion: After lungs were flushed until pulmonary effluent was clear, lungs were perfused during 30 min. Group 3, preservation: Lungs were flushed until pulmonary effluent was clear, and the cardiopulmonary bloc was preserved immersed into (K-Hb) at 4 degrees C. After 24 h of preservation, lungs were reperfused during 30 min. In all study groups the caudal lobe from the left lung was taken for microscopical study; all other lobes were homogenized with (K-Hb) and the supernatant was obtained. IL-1beta, IL-6, and IL-10 production in lung effluents (washout, perfusion, and reperfusion) and in lung tissue were measured by enzyme-linked immunosorbent assay (ELISA). In the lung effluent, there was no statistical difference between IL-1beta and IL-6 concentr...Continue Reading

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