Effect of acute and chronic paraquat on rat lung collagen content.

Abstract

The effect of acute and chronic paraquat administration on rat lung collagen was studied. A single dose of paraquat (35 mg/kg, ip) produces a transient increase in lung collagen synthesis within the first several days. In animals sacrificed 18 days later, there is insignificant accumulation of collagen (9%). Three injections of paraquat (25 mg/kg) spaced at… (More)

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