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[Correlation between the Expression of microRNA 451 in Red Blood Cells and Chronic Mountain Sickness]
Zhuo-Ya Wang1, Fa-Man Yang1, Ji Liu1
1Second Department of Geriatrics, Affiliated Hospital of Qinghai University, Xining 810001, Qinghai Province, China.
Objective:
To investigate the correlation between the expression of microRNA-451 in red blood cells and chronic mountain sickness(CMS).
Methods:
Peripheral blood samples were collected from emigrant CMS patients (28 cases), localized CMS patients (12 case), emigrant healthy people (24 case) and localized healthy people (22 case). The microRNA-451 expression in red blood cells was measured by the RT-PCR. The results combined with the clinical data of patients were analysed.
Results:
The expression of microRNA-451 in emigrant CMS patients was higher than that in emigrant healthy people (P<0.05); the expression of microRNA-451 in localized CMS patients was higher than that in localized healthy people (P<0.05); the microRNA-451 expression had no statistical difference between emargant and localized healthy people. The level of hemoglobin in CMS patients was positively correlated with the expression of microRNA-451 in red cells (r=0.701).
Conclusion:
There is a certain level of microRNA-451 in healthy people, the expression of microRNA-451 in CMS patients is significantly higher than that in healthy people. MicroRNA-451 may play an important role in the process of chronic mountain sickness.
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