[Comparative study of secretory IgA].
作者信息
Rico Méndez F G, Massey L F, Rendón L, Múgica J J, Alvarez L
机构信息
Unidad de Investigación e Información de Enfermedades Respiratorias, Hospital General, CMN La Raza, IMSS, México.
出版信息
Rev Alerg Mex. 1998 Jan-Feb;45(1):13-5.
OBJECTIVE
The aim of this study was measure and compare Secretory IgA levels in the respiratory tract.
DESIGN
Cross-sectional study.
SETTING
Neumology Department of General Hospital. La Raza Medical Center Mexico.
MATERIAL AND METHOD
There were 35 volunteers. Samples of sputum, washings nasopharyngeal and bronchial was obtained from thirty five patients with COPD. Measurement of SIgA levels was performed by nephelometric technique. Results is reported as ratio of SIgA concentration/Total proteins concentration named SIgA relative concentration. Correlation index was obtained of three type of samples.
RESULTS
The SIgA values of sputum, washings nasopharyngeal and bronchial was similar similar +/- 0.011, 0.064 +/- 0.007 and 0.082 +/- 0.017 respectively). Multiple correlation was r = 0.508 (p < 0.01).
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