Functional, biochemical and morphological studies on human bronchi after cryopreservation

British Journal of Pharmacology
B SarriáCharles Advenier

Abstract

1. Human isolated bronchi have been investigated as fresh tissue or after storage (7 and 30 days) at -196 degrees C in foetal calf serum containing 1.8 M dimethyl sulphoxide. 2. After cryopreservation, the maximal contractile response to acetylcholine (3 mM) was reduced (approximately 25%) but the difference did not reach significance statistically. Maximal responses to other spasmogens tested (histamine, [Nle10]NKA(4-10), bradykinin, leukotriene D4, U46619, and KCl) did not differ between unfrozen and frozen/thawed tissues. The sensitivity of cryopreserved tissues to the constrictor agents tested was similar to that of fresh tissues. 3. The accumulation of inositol phosphates produced by acetylcholine in human bronchus in vitro was similar in fresh and cryostored (30 days) tissues. 4. Relaxant responses of acetylcholine (0.3 microM)-precontracted preparations to theophylline, isoprenaline, rolipram and sodium nitroprusside were unchanged after storage with the exception of the sensitivity to rolipram which was diminished in the 30-days cryostorage group. 5. Light microscopic examination of sections taken from 30 days cryostored tissues indicates that the epithelium, submucosal tissue and smooth muscle were well preserved. 6. T...Continue Reading

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Citations

Jul 6, 2000·European Journal of Pharmacology·B SarriáE J Morcillo
Apr 1, 1997·British Journal of Pharmacology·E Müller-Schweinitzer, J R Fozard
Aug 1, 1997·British Journal of Pharmacology·J CortijoR C Small
Apr 24, 2001·American Journal of Respiratory and Critical Care Medicine·S AmadesiP Geppetti
Jan 23, 2010·Life Sciences·Cristina BallesterJulio Cortijo
Oct 4, 2005·Pulmonary Pharmacology & Therapeutics·Magnus BäckXavier Norel
Mar 6, 2007·The British Journal of Surgery·C BallesterJ Cortijo
Aug 10, 2018·American Journal of Physiology. Lung Cellular and Molecular Physiology·Gijs IjpmaAnne-Marie Lauzon
May 12, 1998·The Journal of Asthma : Official Journal of the Association for the Care of Asthma·E Müller-SchweinitzerW E Haefeli
Oct 12, 2002·American Journal of Physiology. Lung Cellular and Molecular Physiology·Benjamin SarriaEsteban J Morcillo
Nov 26, 2013·Respiratory Research·Stanislas Grassin-DelylePhilippe Devillier

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