Alzheimer disease and associated disorders · 2026
Serum Expression of miR-106b-3p and Its Diagnostic Significance in Alzheimer Disease.
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Hou Dan, Hou Zhiyong, Qu Hong, Sun Ming, Wang Liping
Аннотация
BACKGROUND: MicroRNAs, as key regulators in gene expression, may hold the key to understanding Alzheimer disease (AD) pathogenesis and diagnosis.
AIMS: To explore the expression level of miR-106b-3p in the serum of AD patients, and evaluate its diagnostic value for AD.
METHODS: A total of 250 AD patients and 200 healthy controls were enrolled. Real-time quantitative PCR with fluorescence detection was used to determine the relative expression level of miR-106b-3p. Correlation was analyzed by the Pearson linear correlation analysis. The receiver operating characteristic was used to evaluate the diagnostic efficacy of serum miR-106b-3p for AD. In vitro AD cellular models were established to explore the potential mechanism of miR-106b-3p in AD.
RESULTS: The expression of miR-106b-3p in the serum of AD patients is significantly elevated, and its level is negatively correlated with the MMSE score. ROC curve analysis shows that it has certain diagnostic value. miR-106b-3p is a risk factor associated with AD. In addition, miR-106b-3p targets BDNF, affects the functions of SH-SY5Y cells, and promotes the occurrence and development of AD.
CONCLUSION: Serum miR-106b-3p is significantly elevated in AD and may serve as a diagnostic biomarker. Preliminary evidence suggests it promotes AD progression by targeting BDNF, highlighting its potential as a therapeutic target for early intervention.
AIMS: To explore the expression level of miR-106b-3p in the serum of AD patients, and evaluate its diagnostic value for AD.
METHODS: A total of 250 AD patients and 200 healthy controls were enrolled. Real-time quantitative PCR with fluorescence detection was used to determine the relative expression level of miR-106b-3p. Correlation was analyzed by the Pearson linear correlation analysis. The receiver operating characteristic was used to evaluate the diagnostic efficacy of serum miR-106b-3p for AD. In vitro AD cellular models were established to explore the potential mechanism of miR-106b-3p in AD.
RESULTS: The expression of miR-106b-3p in the serum of AD patients is significantly elevated, and its level is negatively correlated with the MMSE score. ROC curve analysis shows that it has certain diagnostic value. miR-106b-3p is a risk factor associated with AD. In addition, miR-106b-3p targets BDNF, affects the functions of SH-SY5Y cells, and promotes the occurrence and development of AD.
CONCLUSION: Serum miR-106b-3p is significantly elevated in AD and may serve as a diagnostic biomarker. Preliminary evidence suggests it promotes AD progression by targeting BDNF, highlighting its potential as a therapeutic target for early intervention.