Measurement of myeloid-derived suppressor cells and T-helper 17 cells in peripheral blood of young children with recurrent wheezing

WANG Pan; LV Jian-Ping; LV Jin-Quan

doi:10.7499/j.issn.1008-8830.2015.04.004

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Chinese Journal of Contemporary Pediatrics ›› 2015, Vol. 17 ›› Issue (4) : 312-316. DOI: 10.7499/j.issn.1008-8830.2015.04.004

CLINICAL RESEARCH

Measurement of myeloid-derived suppressor cells and T-helper 17 cells in peripheral blood of young children with recurrent wheezing

WANG Pan, LV Jian-Ping, LV Jin-Quan

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Abstract

Objective To determine the frequencies and significance of myeloid-derived suppressor cells (MDSCs) and T-helper 17 (Th17) cells in peripheral blood of young children with recurrent wheezing. Methods Thirty young children with an acute exacerbation of recurrent wheezing were randomly enrolled. Twenty age-matched children with bronchopneumonia (pneumonia group) and 23 age-matched preoperative children with non-infectious or nonneoplastic diseases (hernia or renal calculus) (control group) were selected. The frequencies of MDSCs and Th17 cells in the peripheral blood were measured using flow cytometry and their correlation was determined by the Spearman’s correlation coefficient. Results The percentage of MDSCs in nucleated cells was significantly higher in the wheezing group than in the pneumonia and control groups (P<0.05), and it was significantly higher in the pneumonia group than in the control group (P<0.05). The percentage of Th17 cells in mononuclear cells was significantly higher in the wheezing group than in the pneumonia and control groups (P<0.05), but it showed no significant difference between the pneumonia and control groups (P>0.05). The frequency of MDSCs was positively correlated with the frequency of Th17 cells in the wheezing group (r=0.645, P<0.01). Conclusions MDSCs and Th17 cells may contribute to the pathogenesis of recurrent wheezing in young children.

Key words

Wheezing / Myeloid-derived suppressor cell / T-helper17 cell / Young child

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WANG Pan, LV Jian-Ping, LV Jin-Quan. Measurement of myeloid-derived suppressor cells and T-helper 17 cells in peripheral blood of young children with recurrent wheezing[J]. Chinese Journal of Contemporary Pediatrics. 2015, 17(4): 312-316 https://doi.org/10.7499/j.issn.1008-8830.2015.04.004

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