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Expression of serum miR-224-5p in pancreatic ductal adenocarcinoma and its significance in early diagnosis / 中华胰腺病杂志
Article in Chinese | WPRIM | ID: wpr-908789
Responsible library: WPRO
ABSTRACT

Objective:

To explore the expression of serum miR-224-5p in PDAC and its significance for early clinical diagnosis.

Methods:

From August 2018 to April 2020, 40 patients with PDAC (11 patients with early PDAC, 29 patients with advanced PDAC), 21 patients with chronic pancreatitis and 40 healthy volunteer controls admitted in Qingdao Municipal Hospital were enrolled. The level of serum miR-224-5p in each group was detected by qRT-PCR method, and the correlation with clinicopathological parameters was analyzed. The receiver-operating characteristic (ROC) curve of miR-224-5p, CA19-9 and miR-224-5p combined with CA19-9 were drawn, and the sensitivity and specificity of the diagnosis were calculated.

Results:

The serum miR-224-5p levels in early PDAC group, middle and late PDAC group, chronic pancreatitis group and healthy control group were 3.21(2.01, 4.60), 4.70(3.50, 8.26), 1.72(1.02, 2.78) and 1.38(0.89, 2.11), respectively; and the level of serum miR-224-5p in the middle and late PDAC group was significantly higher than that in the early PDAC group, and that in the early PDAC group was significantly higher than that in the chronic pancreatitis group and the healthy control group, and all the differences were statistically significant ( P<0.05). The sensitivity of serum miR-224-5p combined with CA19-9, miR-224-5p, and CA19-9 in the diagnosis of overall PDAC was 95.0%, 85.0% and 67.5%, respectively; and the specificity was 70.0%, 82.5% and 87.5%, respectively. The sensitivity for early PDAC was 90.9%, 72.7% and 63.6%, and the specificity was 85.0%, 72.5% and 87.5%, respectively. MiR-224-5p combined with CA19-9 has the highest specificity in the diagnosis of PDAC. The level of serum miR-224-5p in patients with PDAC was correlated with TNM stage, lymph node metastasis and distant metastasis (all P values <0.05).

Conclusions:

The expression of serum miR-224-5p was significantly up-regulated in patients with early PDAC, and The level of serum miR-224-5p in patients with PDAC was correlated with TNM stage, lymph node metastasis and distant metastasis. The sensitity of serum miR-224-5p and miR-224-5p combined with CA19-9 for early PDAC diagnosis were superior to CA19-9 alone, which can be used as a potential sensitive biological marker for early screening of PDAC.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pancreatology Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Pancreatology Year: 2020 Type: Article