Biological variation of serum neuron-specific enolase and carbohydrate antigen 724 tumor markers.

Abstract:

BACKGROUND:The aim of our study was to assess two tumor markers, carbohydrate antigen 724 (CA724) and neuron-specific enolase (NSE), in 20 healthy individuals. Then, we determined their average intra- and inter-individual biological variations (CVI and CVG ). METHODS:Blood samples were taken at weekly intervals for five weeks from 20 healthy subjects through a detailed questionnaire and physical examination. These samples were stored at -80°C and analyzed in a single run in duplicate. We calculated the biological variations, the reference change value (RCV), and the index of individuality (II) for the two tumor markers. RESULTS:The intra-individual and inter-individual biological variations were 50.3% and 103.4% for CA724, and 10.1% and 12.0% for NSE, respectively. The II values for CA724 and NSE were 0.48 and 0.85, respectively. CONCLUSION:We determined the biological variations and indices of individuality for CA724 and NSE among 20 healthy subjects. These results will improve clinical applications of the markers.

journal_name

J Clin Lab Anal

authors

Wang S,Zhao M,Mu R,Zhang X,Yun K,Shang H

doi

10.1002/jcla.22327

subject

Has Abstract

pub_date

2018-05-01 00:00:00

pages

e22327

issue

4

eissn

0887-8013

issn

1098-2825

journal_volume

32

pub_type

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