Abstract
Objective
This study aimed to explore the expression of lncRNA MALAT1 in patients with T2DM and its clinical significance. A total of 25 normal controls and 69 patients with T2DM were selected.
Methods
Real-time polymerase chain reaction was used to determine the expression level of lncRNA MALAT1 in blood leukocytes of the two groups.
Results
The expression level of lncRNA MALAT1 in patients with T2DM was significantly higher than that in the control group (p < 0.001). The binary regression analysis revealed that lncRNA MALAT1 (p < 0.001, OR = 11.667) and superoxide dismutase (SOD) (p = 0.018, OR = 0.958) were the risk factors for the onset of T2DM. Spearman correlation analysis showed that the expression level of lncRNA MALAT1 correlated positively with cortisol (8 AM), hemoglobin, and blood glucose levels (60, 120, and 180 min) and negatively with SOD and insulin levels after 60 min in the oral glucose tolerance test. The receiver operating characteristic (ROC) results demonstrated that the area under the curve of ROC was 0.804, sensitivity was 78.3%, and specificity was 84% (p < 0.001).
Conclusion
LncRNA MALAT1 was highly expressed in patients with T2DM, and high expression of lncRNA MALAT1 is associated with decreased insulin secretion under hyperglycemic stress.
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Funding
This study was supported by the Natural Science Foundation of China (No. 81960875).
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All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the World Medical Association Declaration of Helsinki or comparable ethical standards. The study was approved by the ethics committee of the hospital, and all participants signed an informed consent form.
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Yang, Dw., Zhou, L., Huang, Q. et al. High expression of lncRNA MALAT1 is associated with decreased insulin secretion under hyperglycemic stress in patients with type 2 diabetes mellitus. Int J Diabetes Dev Ctries 42, 70–76 (2022). https://doi.org/10.1007/s13410-021-00945-5
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DOI: https://doi.org/10.1007/s13410-021-00945-5