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Papers of the Week

Papers: 30 Dec 2023 - 5 Jan 2024

2023 Dec 31

Ann Hum Genet


Exploring the clinical significance of miR-148 expression variations in distinct subtypes of irritable bowel syndrome.


Ji Q, Du F, Yu Y, Li Y


Irritable bowel syndrome (IBS) belongs to chronic functional gastrointestinal diseases featured by abdominal pain and changes in bowel habits. This study aimed to investigate the clinical significance of serum miR-148 expression in different subtypes of IBS. We enrolled 86 IBS patients and 55 healthy controls. miR-148 expression levels were assessed in IBS patients classified into IBS-constipation (IBS-C), IBS-diarrhea (IBS-D), and IBS-mixed stool pattern (IBS-M) subtypes. Receiver-operating characteristic (ROC) curves were employed to evaluate the diagnostic potential of miR-148 in distinguishing among IBS subtypes. Additionally, we analyzed the correlation between miR-148 expression and clinical characteristics, including IBS symptom severity. miR-148 expression was highest in IBS-D (diarrhea) group, followed by IBS-M and IBS-C. With the exception of the IBS-C group, miR-148 expression was elevated in IBS patients compared to controls. ROC curve analysis demonstrated that serum miR-148 exhibited higher diagnostic accuracy for discriminating IBS-C and IBS-D than IBS-M. Correlation analysis revealed a positive relationship between serum miR-148 relative expression and IBS symptom severity system scores. Univariate logistic analysis indicated a positive association between miR-148 expression and IBS-D and a negative correlation with IBS-C. miR-148 expression exhibits differential patterns among IBS subtypes and holds a potential to distinguish IBS-C and IBS-D. Furthermore, miR-148 expression correlates with the severity of IBS symptoms.