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Endocrine Abstracts (2019) 63 P18 | DOI: 10.1530/endoabs.63.P18

ECE2019 Poster Presentations Adrenal and Neuroendocrine Tumours 1 (60 abstracts)

Evaluating the applicability of urinary miR-483-5p as a non-invasive marker in adrenocortical cancer patients

Abel Decmann 1 , Irina Bancos 2 , Melinda A Thomas 2 , Péter Turai 1 , Pál Perge 1 , Miklós Tóth 1 , Attila Patócs 3 & Peter Igaz 1,


12nd Department of Internal Medicine, Faculty of Medicine, Semmelweis University, Budapest, Hungary; 2Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Internal Medicine, Mayo Clinic, Rochester, USA; 3Hereditary Endocrine Tumors Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary; 4MTA-SE Molecular Medicine Research Group, Hungarian Academy of Sciences and Semmelweis University, Budapest, Hungary.


Introduction: Minimally invasive blood-borne circulating microRNAs might be used for the preoperative differentiation of adrenocortical carcinoma (ACC) and adrenocortical adenoma (ACA). Circulating hsa-miR-483-5p is so far the best microRNA biomarker of ACC. To the best of our knowledge, there have been no studies concerning the potential applicability of urinary has-miR-483-5p as a non-invasive biomarker of ACC and its correlation with plasma hsa-miR-483-5p.

Aim: Our aim was to investigate the expression of urinary hsa-miR-483-5p and its correlation with its plasma counterpart.

Methods: Plasma and urinary samples from 23 ACC and 23 ACA patients were analysed using real-time RT-qPCR. To evaluate the diagnostic applicability of hsa-miR-483-5p, ROC-analysis was performed.

Results: Significant overexpression of hsa-miR-483-5p was observed in carcinoma patients’ plasma samples compared to adenoma patients’ (P<0.0001, sensitivity: 87%, specificity: 78.3%). In urinary samples, however, no significant difference could be detected between ACC and ACA patients.

Conclusions: Plasma hsa-miR-483-5p has been confirmed as significantly overexpressed in adrenocortical cancer patients and thus might be exploited as a minimally invasive preoperative marker of malignancy. The applicability of urinary hsa-miR-483-5p for the diagnosis of adrenocortical malignancy could not be confirmed.

Volume 63

21st European Congress of Endocrinology

Lyon, France
18 May 2019 - 21 May 2019

European Society of Endocrinology 

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