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pubmed:abstractText |
The aim of this study was to evaluate the relationship between renal function and the blood level of some tumor markers that are low molecular weight proteins, that is, tumor-associated trypsin inhibitor (TATI), squamous cells carcinoma antigen (SCC), cytokeratin 19 fragments (CYFRA 21-1), tissue polypeptide antigen (TPA), and M3-specific epitope of tissue polypeptide antigen (TPS). In 41 adult patients without evidence of neoplastic disease, glomerular filtration rate (GFR) and the blood levels of creatinine and of the tumor markers were determined. The decrease in GFR was accompanied by an increase in serum levels of TATI, SCC, CYFRA 21-1, and TPA. The serum level of tumor markers increased particularly when GFR fell below 40 ml/min. On the basis of these results, the renal function must be taken into account for the clinical evaluation of the studied tumor markers.
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