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Prolyl hydroxylase-3 is a novel renal cell carcinoma biomarker

Authors
 Kwang Hyun Kim  ;  Hyung Ho Lee  ;  Young Eun Yoon  ;  Joon Chae Na  ;  Kyung Sup Kim  ;  Woong Kyu Han 
Citation
 INVESTIGATIVE AND CLINICAL UROLOGY, Vol.60(6) : 425-431, 2019 
Journal Title
 INVESTIGATIVE AND CLINICAL UROLOGY 
ISSN
 2466-0493 
Issue Date
2019
Keywords
Area under curve ; Carcinoma, renal cell ; Early diagnosis ; Nephrectomy
Abstract
Purpose: The aim of this study was to determine the suitability of serum prolyl hydroxylase-3 (PHD3) as a diagnostic or monitoring biomarker of renal cell carcinoma (RCC). Materials and Methods: Between October 2013 and March 2015, we prospectively recruited study participants. The RCC group consisted of 56 patients who underwent radical or partial nephrectomy. The control group included 56 healthy kidney donors and 13 patients with benign renal masses. Blood from the RCC patients was sampled prior to surgery and again 1 and 3 months after the operation. Serum PHD3 levels were measured via enzyme-linked immunosorbent assay and compared between RCC patients and controls. Results: RCC patients had higher serum PHD3 levels than controls (0.79±0.17 ng/mL vs. 0.73±0.09 ng/mL, p=0.023), with an area under curve (AUC) of 0.668. With a cutoff value of 0.761 ng/ml, the sensitivity, specificity, positive predictive value, and negative predictive value were 66.1%, 68.1%, 28.8%, and 37.3%, respectively. No significant difference in PHD3 level was observed between healthy kidney donors and patients with benign renal masses. The predictive performance of PHD3 was improved in subgroup analyses of RCC patients with a tumor size >2 cm (n=40) or clear-cell histology (n=44), with AUCs of 0.709 and 0.688, respectively. Among 37 patients with PHD3 levels greater than the cutoff value of 0.761 ng/mL, the postoperative PHD3 levels at 1 and 3 months were significantly lower than the preoperative PHD3 levels (both p<0.001). Conclusions: Serum PHD3 represents a novel RCC biomarker that shows acceptable diagnostic performance.
Files in This Item:
T201904621.pdf Download
DOI
10.4111/icu.2019.60.6.425
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Biochemistry and Molecular Biology (생화학-분자생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Sup(김경섭) ORCID logo https://orcid.org/0000-0001-8483-8537
Na, Joon Chae(나준채) ORCID logo https://orcid.org/0000-0003-4449-8472
Han, Woong Kyu(한웅규) ORCID logo https://orcid.org/0000-0002-2527-4046
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/173422
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