Soluble intercellular adhesion molecule-1 and E-selectin in patients with asthma exacerbation.
Soluble intercellular adhesion molecule-1 (sICAM-1) and soluble E-selectin (sE-selectin) are important factors in immunological processes of inflammatory cell buildup in target tissues. Studies have suggested that these molecules could be important markers of inflammatory diseases. This study was undertaken to assess the levels of sICAM-1 and sE-selectin during an acute attack of asthma in adults and children and to establish normal values (95th percentile) in healthy control subjects. We analyzed serum levels of ICAM-1 and E-selectin in 120 children and adults obtained during an acute attack of asthma: 40 with severe and 80 with moderately severe attack, and 50 healthy subjects as controls by ELISA (enzyme linked immunosorbent assay). sICAM-1 from patients with asthma was significantly higher than healthy controls (P < 0.001) but not for sE-selectin (P = 0.778). Significant differences were observed in moderately severe attack versus controls and severe attack of asthma for sICAM-1. With 95th percentile levels as cutoff for normal values (sICAM-1 = 585.08 ng/ml, sE-selectin = 160.87 ng/ml), it was observed that 88.3% of subjects (sICAM-1) and 98.5% of subjects (sE-selectin) with an acute attack of asthma had levels within the normal range. Although mean serum levels of sICAM-1 are higher in asthmatics than normal controls, it may be necessary to establish individual baseline values for serial estimation to evaluate their clinical relevance.
Bijanzadeh
Mahdi
M
Human Genetics Laboratory, Department of Studies in Zoology, University of Mysore, Manasagangothri, Mysore, 570 006, Karnataka, India.
Ramachandra
Nallur B
NB
Mahesh
P A
PA
Savitha
Mysore R
MR
Vijayakumar
G S
GS
Kumar
Pradeep
P
Manjunath
B S
BS
Jayaraj
B S
BS
D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000175:diagnosis / Q000276:immunology*; D015415:Biomarkers / Q000097:blood; D016022:Case-Control Studies; D002648:Child; D002675:Child, Preschool; D019040:E-Selectin / Q000097:blood*; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006801:Humans; D007194:India; D007223:Infant; D018836:Inflammation Mediators / Q000097:blood*; D018799:Intercellular Adhesion Molecule-1 / Q000097:blood*; D008297:Male; D008875:Middle Aged; D011237:Predictive Value of Tests; D012720:Severity of Illness Index; D015854:Up-Regulation; D055815:Young Adult
D015415:Biomarkers; D019040:E-Selectin; D018836:Inflammation Mediators; D018799:Intercellular Adhesion Molecule-1
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