Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
1988-9-2
pubmed:abstractText
Cigarette smokers have an increased risk of developing a wide variety of lung diseases compared to non-smokers, and there have been many studies of the possible biochemical changes underlying this increased susceptibility. However, although epidemiological and physiological studies have shown that in the ex-smoker, the risk of smoking-related lung diseases falls between that of current and non-smokers, the biochemical and cellular mechanisms responsible for this intermediate status have not been investigated. In the present study, therefore, the extracellular elastolytic activities in lung lavage fluid from current, ex- and non-smokers have been compared. Elastolytic enzyme activity was investigated, since it is significantly elevated in lung lavage from smokers, and because it has been implicated in the development of pulmonary emphysema. In the subjects studied, extracellular elastolytic activities in lung lavage from ex-smokers were intermediate between those from current and non-smokers. There was no correlation between the time of abstinence from smoking, or the number of pack-years smoked and the extracellular elastolytic activities in ex-smokers' lung lavage. Elastolytic activity may remain elevated in ex-smokers' lungs for a number of reasons, including the persistence of particulate matter which may activate phagocytic cells on the lung surface. The possible significance of the raised elastolytic activity remains to be fully determined.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:issn
0024-3205
pubmed:author
pubmed:issnType
Print
pubmed:volume
43
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
459-64
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1988
pubmed:articleTitle
Comparison of elastolytic activity in lung lavage from current, ex- and non-smokers.
pubmed:affiliation
Department of Medicine, Charing Cross and Westminster Medical School, London.
pubmed:publicationType
Journal Article, Comparative Study