期刊
JOURNAL OF CANCER RESEARCH AND CLINICAL ONCOLOGY
卷 137, 期 5, 页码 789-794出版社
SPRINGER
DOI: 10.1007/s00432-010-0940-6
关键词
Renal cell carcinoma; Tumor marker; Autoantibody; PHD3 protein
类别
资金
- Grants-in-Aid for Scientific Research [22791477, 21249025, 21590401, 22659235, 22659075] Funding Source: KAKEN
To verify the efficacy of a serum autoantibody against hypoxia-inducible factor prolyl hydroxylase-3 (PHD3) as a serological marker for RCC. Serum samples and surgically resected tumor tissue specimens were obtained from 22 patients with primary RCC, 15 of whom underwent radical nephrectomy and 7 partial nephrectomy. Preoperative serum samples were obtained just before tumor resection. Postoperative serum samples were obtained from 17 patients at least 1 month after tumor removal. Serum samples were also obtained from 26 healthy volunteers. Titers of the anti-PHD3 antibody (Ab) were determined by enzyme-linked immunosorbent assay. Serum anti-PHD3 Ab titers were significantly higher in patients with RCC than in healthy volunteers (0.610 +/- A 0.023 vs. 0.591 +/- A 0.031, P = 0.0001). Using a cutoff point of 0.599, sensitivity, specificity, and positivity for prediction of RCC were 86.4, 57.7, and 63.3%, respectively. In all 17 patients, titers of serum anti-PHD3 were decreased after the surgical resection compared with those before operation (0.622 +/- A 0.023 vs. 0.580 +/- A 0.024, P = 0.0003). The present study suggests that the anti-PHD3 Ab may be a novel serological marker for RCC and the titer may reflect the tumor burden in each individual.
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