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Expression of MicroRNAs in Peripheral Blood of Patients with Primary Immune Thrombocytopenia and Its Correlation with the Imbalance of Th1/Th2 Cell / 中国实验血液学杂志
Journal of Experimental Hematology ; (6): 1570-1576, 2021.
Article in Chinese | WPRIM | ID: wpr-922297
ABSTRACT
OBJECTIVE@#To investigate the expressions of microRNAs in peripheral blood of patients with primary immune thrombocytopenia(ITP) and its correlation with the imbalance of Th1/Th2 cells.@*METHODS@#Thirty patients with ITP (ITP group) and 15 healthy people (control group) were enrolled.Real-time polymerase chain reaction (RT-PCR) was used to detect the expressions of six miRNAs (miR-107,miR-205-5p,miR-138-5p,miR-326,miR-1827,miR-185-5p) and Th1-specific transcription factor T-bet mRNA and Th2-specific transcription factor GATA-3 mRNA in the peripheral blood of the two groups. Th1 and Th2 cells were detected by flow cytometry. The expressions of Th1-cytokines TNF-α and IFN-γ and Th2-cytokines IL-4 and IL-10 were detected by AimPlex multiple immunoassays for Flow. The expression difference of miRNAs, mRNA, Th1, Th2 cells and cytokines of the two groups were compared, and the correlations of miRNAs to mRNA, Th1, Th2 cells and cytokines were analyzed in ITP group.@*RESULTS@#The expressions of miRNAs(miR-107, miR-205-5p, miR-138-5p, miR-326, miR-1827, miR-185-5p)and Th2-specific transcription factor GATA-3 mRNA of the patients in ITP group were significantly decreased (P<0.05) as compared with those in control, while the expressions of Th1 cells and Th1-specific transcription factor T-bet mRNA and Th1-cytokines TNF-α were significantly increased (P<0.05), also for the ratios of T-bet mRNA/GATA-3 mRNA and Th1/Th2 cells were significantly increased (P<0.05). The relative expressions of miR-107, miR-205-5p, miR-138-5p in ITP patients were negatively correlated with Th2 cells (r=-0.411, r=-0.593, r=-0.403,P<0.05) and the relative expression of miR-1827 was negatively correlated with TNF-α (r=-0.390).@*CONCLUSION@#The relative expressions of the six miRNAs in peripheral blood of patients with ITP are significantly decreased, which result in the increasing ratio of T-bet mRNA/GATA-3 mRNA, then lead to the imbalance of Th1/Th2.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: RNA, Messenger / Purpura, Thrombocytopenic, Idiopathic / Th2 Cells / Th1 Cells / MicroRNAs Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: RNA, Messenger / Purpura, Thrombocytopenic, Idiopathic / Th2 Cells / Th1 Cells / MicroRNAs Limits: Humans Language: Chinese Journal: Journal of Experimental Hematology Year: 2021 Type: Article