PMID: 25760840Mar 12, 2015Paper

Roles of CXCR3 on lymphocytes and IP-10 of peripheral blood in infants with bronchiolitis

Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics
Li-Ping ZouWei Wang

Abstract

To study the roles of chemokine receptor 3 (CXCR3) on lymphocytes and interferon-γ-inducible protein-10 (IP-10) of peripheral blood in childhood bronchiolitis. Fifty-five children with bronchiolitis were classified into Group I (with allergic factors) and Group II (without allergic factors). Twenty-eight children with noninfectious diseases were enrolled randomly as the control group. The expression of CXCR3 (CD183 as its molecular marker) on lymphocytes of peripheral blood was detected by flow cytometry. Serum IP-10 level was measured using ELISA. The expression of CD183(+) cells on CD4(+) and CD8(+) lymphocytes in peripheral blood in children with bronchiolitis from both Group I and Group II was significantly higher than that in the control group (P<0.05), and Group I had higher expression of CD183(+) cells on CD4(+) and CD8(+) lymphocytes than Group II (P<0.05).Serum IP-10 levels in Group I and Group II were significantly higher than those in the control group (P<0.05). However, there was no significant difference in serum IP-10 levels between Group I and Group II. CXCR3 and IP-10 are involved in the pathogenesis of bronchiolitis, and CXCR3 is associated with allergic factors.

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