Hsa_circ_0005729 enhances the accuracy in diagnosing parathyroid carcinoma
Journal: 2022/January - Endocrine Connections
Abstract:
Background: Parathyroid carcinoma (PC), often misdiagnosed as parathyroid adenoma (PA), is prone to local relapse due to the initial surgery being restricted to parathyroid lesions instead of en bloc resection of parathyroid lesions with negative incision margins. However, it is very challenging to distinguish PC from PA preoperatively; hence, this study investigated an effective biomarker for increasing accuracy in PC diagnosis.
Method: First, differentially expressed the circular RNAs between three PC tissues and three PA tissues were screened by high-throughput circular RNA sequencing, and the expression of hsa_circ_0005729 was verified by qRT-PCR in 14 patients with PC and 40 patients with PA. Second, the receiver operating characteristic (ROC) curve and the area under the curve (AUC) were used to analyze the diagnostic efficiency of hsa_circ_0005729 in PC by combining with laboratory data. Third, RNF138 mRNA, the corresponding linear transcript of hsa_circ_0005729 was measured, and the relationship between hsa_circ_0005729 and RNF138 mRNA was analyzed in patients with PA and patients with PC.
Results: Hsa_circ_0005729 expression was significantly higher in patients with PC than in patients with PA. Serum calcium (p = 0.045), alkaline phosphatase (ALP) (p = 0.048), and creatinine levels (p = 0.036) were significantly higher in patients with PC than in patients with PA. The AUC increased to 0.86 when hsa_circ_0005729 combined with serum calcium, creatinine, and ALP. In addition, hsa_circ_0005729 was positively correlated with RNF138 mRNA in patients with PA but not in patients with PC.
Conclusion: The novel circular RNA hsa_circ_0005729 was found to have a higher expression in patients with PC, and indicating its usefulness for distinguishing PC from PA.
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