Vol 69, No 1 (2018)
Original paper
Published online: 2017-12-21
A preliminary study on the expression and clinical value of platelet-derived growth factor BB, hypoxia inducible factor-1α and C-C motif chemokine receptor-2 in peripheral blood during the pathogenesis of Graves’ disease
Abstract
Introduction: Platelet-derived growth factor BB (PDGF-BB) plays an important role in the development of GD (Graves’ disease). However, it is still unknown whether PDGF-BB is expressed in peripheral blood and whether the expression of PDGF-BB contributes to GD. We aim to study the expression of PDGF-BB, hypoxia inducible factor (HIF)-1α and C-C motif chemokine receptor (CCR)-2 in peripheral blood of patients with GD and explore its effect and potential mechanism in pathogenesis.
Material and methods: 41 patients with GD (GD group) and forty-five healthy people (control group) were chosen. The concentration of PDGF-BB and HIF-1α in peripheral blood specimens were detected and compared between the two groups. The expression of CCR2 in macrophages in the peripheral blood specimens were examined using FCM (Flow Cytometry).
Results: Both PDGF-BB and HIF-1α were expressed in human peripheral blood from the two groups. Compared with specimens from healthy people, there were statistically increased concentrations of PDGF-BB and HIF-1α in the GD group (P < 0.05). The proportion of CCR2-positive macrophages in peripheral blood in the GD group was significantly higher than that in the control group (P < 0.05).
Conclusions: CCR2-positive macrophages may induce the expression of PDGF-BB through HIF-1α signal, and the high expression of PDGF-BB may be involved in the pathogenesis of GD.
Keywords: PDGF-BBGraves’ diseaseHIF-1αmacrophagesimmunology
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