Raised immunoglobulin concentrations in bronchoalveolar lavage fluid of healthy granite workers
Thorax, ISSN: 0040-6376, Vol: 41, Issue: 4, Page: 266-273
1986
- 29Citations
- 4Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations29
- Citation Indexes28
- CrossRef28
- 24
- Policy Citations1
- Policy Citation1
- Captures4
- Readers4
Article Description
Immunoglobulin concentrations and lymphocyte counts were determined in bronchoalveolar fluid obtained from nine symptomless, healthy, non-smoking granite workers (mean age 45.6, range 22-56 years) and nine normal, non-smoking, non industrial controls (mean age 22.8, range 21-32 years). The proteins were measured in unconcentrated lavage fluid by means of a solid phase, enzyme linked immunosorbent assay. IgG and IgA concentrations were three times greater in lavage fluid from granite workers than the samples from non-industrial controls (p < 0.02). Eight of nine normal volunteers (89%) had no detectable IgM (<30 ng/ml) in the lavage fluid whereas eight of nine (89%) granite workers had detectable IgM (χ = 8, p < 0.01). Lymphocyte counts in lavage fluid from the workers were significantly greater (15.5%) than control counts (5.6%; p < 0.05). The normal albumin concentration suggests that differences in permeability do not account for all of the increased immunoglobulin concentrations found in granite workers' lavage fluid and that some immunoglobulin is locally synthesised. It is concluded that occupational exposure to granite dust is associated with an increased proportion of lymphocytes and an increased concentration of immunoglobulin in lavage fluid that may reflect a subclinical immune inflammatory response.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0022590307&origin=inward; http://dx.doi.org/10.1136/thx.41.4.266; http://www.ncbi.nlm.nih.gov/pubmed/3738846; https://thorax.bmj.com/lookup/doi/10.1136/thx.41.4.266; https://dx.doi.org/10.1136/thx.41.4.266; https://thorax.bmj.com/content/41/4/266
BMJ
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