Br J Pharmacol
Sackler Institute of Pulmonary Pharmacology, Department of Thoracic Medicine, Kings College School of Medicine and Dentistry, London.
Published: April 1995
1. The effect of heparin and related glycosaminoglycans on bovine airway smooth muscle proliferation has been investigated. 2. Foetal bovine serum stimulated division of bovine trachealis smooth muscle cells in a concentration-dependent fashion at concentrations between 1 and 30%. 3. Heparin (0.1-100 micrograms ml-1), heparan sulphate (0.1-100 micrograms ml-1) and fragmin (0.1-100 micrograms ml-1) inhibited smooth muscle division in a concentration-dependent fashion between 0.1-100 micrograms ml-1. A heparin disaccharide did not exhibit inhibition of division at 100 micrograms ml-1. 4. Dextran sulphate at molecular weights of 5 x 10(3) and 5 x 10(5) concentration-dependently inhibited division between 0.1-100 micrograms ml-1. Dextran without sulphation did not exhibit inhibition of division at 100 micrograms ml-1. 5. The magnitude of inhibition of proliferation did not reach 100% for any compounds examined at concentrations up to 100 micrograms ml-1 during incubations for 5 and 14 days. IC50 values for inhibition of proliferation ranged between 1-5 micrograms ml-1. 6. These findings suggest that heparin and related glycosaminoglycans inhibit bovine airway smooth muscle cell division.
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http://dx.doi.org/10.1111/j.1476-5381.1995.tb13367.x | DOI Listing |
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