Abstract:
:In the present study, an analysis of whether expression of nm23-H1 and nm23-H2 proteins has prognostic significance was performed. A series of 95 renal cell carcinomas was analyzed for nuclear grade, tumor size (larger than 50 mm or not), staging in the Robson system and expression of nm23-H1 and nm23-H2, as well as patient survival. Immunohistochemical staining of nm23-H1 and nm23-H2 was found in 68.4 and 50.5% of the cases, respectively. Significant differences in nm23-H1, but not nm23-H2 expression were noted with regard to nuclear grade and tumor size. The patients with nm23-H1-expression-negative tumors sized < or = 50 mm had a significantly poorer prognosis than their positive counterparts. Multivariate analysis using the Cox proportional hazards regression model indicated that the staging in the Robson system and expression of nm23-H1 were significant and independent prognostic factors for survival. However, no significant correlation between the incidence of metastasis and expression of nm23-H1 or nm23-H2 was found. The results imply that reduced expression of nm23-H1 influences the prognosis of patients with renal cell carcinomas, but not the likelihood of metastasis. In small tumors sized < or = 50 mm, reduced expression of nm23-H1 protein was suggested to be an especially strong predictor of a poor prognosis.
journal_name
Oncologyjournal_title
Oncologyauthors
Nakagawa Y,Tsumatani K,Kurumatani N,Cho M,Kitahori Y,Konishi N,Ozono S,Okajima E,Hirao Y,Hiasa Ydoi
10.1159/000011880subject
Has Abstractpub_date
1998-07-01 00:00:00pages
370-6issue
4eissn
0030-2414issn
1423-0232pii
ocl55370journal_volume
55pub_type
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