Annals of clinical and laboratory science · 2024
Correlation between Interleukin-10 Effects on Th1/Th2 Immune Balance and Pregnancy Induced Hypertension.
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Shi Yu, Han Bing, Li Xianchi, Yuan Xiaojing
Аннотация
OBJECTIVE: Pregnancy induced hypertension (PIH) is a common disease in obstetrics. CD4+ T cells can be divided into Th1 and Th2 sub-populations. Imbalance between Th1 and Th2 directly affects body immune status and participates in PIH occurrence and progression. Whether IL-10 affects Th1/Th2 immune balance as a negative regulator of immune response in PIH remains unknown. The aim of the present study was to investigate the role of IL-10 in PIH.
METHODS: A total of 52 PIH patients were recruited and divided into mild-moderate and severe PIH groups in parallel with 25 normal pregnant women as a control group. Real-time PCR was used to test mRNA levels of Th1 cytokines IL-2, tumor necrosis factor-α (TNF-α), and Th2 cytokines IL-4, IL-6, and IL-10. Enzyme linked immunosorbent assay (ELISA) tested serum levels of cytokines to analyze their correlation with disease progression.
RESULTS: Our results showed PIH patients had significantly elevated IL-2 and TNF-α levels and decreased IL-4, IL-6, or IL-10 expressions compared with the control group (p<0.05). With disease progression, IL-4, IL-6, and IL-10 expressions were further decreased while IL-2 and TNF-α were increased (p<0.05). Moreover, IL-10 was negatively correlated with Th1 cytokines IL-2 and TNF-α while being positively correlated with Th2 cytokines IL-4 and IL-6. In addition, IL-10 was negatively correlated with PIH severity (p<0.05).
CONCLUSION: IL-10 can affect Th1/Th2 immune balance and is associated with PIH severity, suggesting IL-10 might be a risk factor for PIH occurrence and progression.
METHODS: A total of 52 PIH patients were recruited and divided into mild-moderate and severe PIH groups in parallel with 25 normal pregnant women as a control group. Real-time PCR was used to test mRNA levels of Th1 cytokines IL-2, tumor necrosis factor-α (TNF-α), and Th2 cytokines IL-4, IL-6, and IL-10. Enzyme linked immunosorbent assay (ELISA) tested serum levels of cytokines to analyze their correlation with disease progression.
RESULTS: Our results showed PIH patients had significantly elevated IL-2 and TNF-α levels and decreased IL-4, IL-6, or IL-10 expressions compared with the control group (p<0.05). With disease progression, IL-4, IL-6, and IL-10 expressions were further decreased while IL-2 and TNF-α were increased (p<0.05). Moreover, IL-10 was negatively correlated with Th1 cytokines IL-2 and TNF-α while being positively correlated with Th2 cytokines IL-4 and IL-6. In addition, IL-10 was negatively correlated with PIH severity (p<0.05).
CONCLUSION: IL-10 can affect Th1/Th2 immune balance and is associated with PIH severity, suggesting IL-10 might be a risk factor for PIH occurrence and progression.