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Main Title Colchicine Inhibits Elevations in Both Alveolar-Capillary Membrane Permeability and Lavage Surfactant After Exposure of the Rat to Phosgene.
Author Ghio, A. J. ; Hatch, G. E. ;
CORP Author Health Effects Research Lab., Research Triangle Park, NC. Inhalation Toxicology Div. ;Duke Univ., Durham, NC. Dept. of Medicine.
Publisher c1992
Year Published 1992
Report Number EPA/600/J-94/333;
Stock Number PB94-196987
Additional Subjects Colchicine ; Phosgene ; Pharmacology ; Pulmonary alveoli ; Capillary permeability ; Bronchoalveolar lavage fluid ; Pulmonary surfactants ; Proteins ; Neutrophils ; Phospholipids ; Reprints ;
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NTIS  PB94-196987 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 11p
Abstract The authors tested the hypothesis that colchicine diminishes the neutrophil influx and associated elevations in permeability of the alveolar-capillary membrane but does not affect lavage surfactant accumulation after COCl2 exposure. Rats were treated with either colchicine or saline prior to COCl2 at 0.5 ppm x 60 min. To measure membrane permeability, (125)I-labeled bovine serum albumin was injected via the tail vein immediately and 1 day after exposure. After 2 h, radioactivity of blood and lavage fluid was measured. Lavage surfactant was quantified as phospholipid immediately and 1 day after exposure. Permeability was elevated immediately but returned to normal values 1 day after inhalation. Phospholipid in the lavage fluid showed no immediate change but was increased 1 day after COCl2 inhalation. Colchicine inhibited both the immediate rise in the permeability index and the elevation of phospholipid 1 day after exposure to phosgene. The authors conclude that colchicine inhibited elevations in both alveolar-capillary membrane permeability and lavage surfactant after exposure to phosgene. (Copyright (c) 1992 by Hemisphere Publishing Corporation.)
Supplementary Notes Pub. in Inhalation Toxicology, v4 p383-392 1992. See also PB92-136332. Prepared in cooperation with Duke Univ., Durham, NC. Dept. of Medicine.
NTIS Title Notes Journal article.
Title Annotations Reprint: Colchicine Inhibits Elevations in Both Alveolar-Capillary Membrane Permeability and Lavage Surfactant After Exposure of the Rat to Phosgene.
Category Codes 57Q; 57Y
NTIS Prices PC A03/MF A01
Primary Description 600/10
Document Type NT
Cataloging Source NTIS/MT
Control Number 425927134
Origin NTIS
Type CAT