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[Establishment of a quantitative detection method for Golgi protein73].

[Article in Chinese]

Abstract

OBJECTIVE:

To establish enzyme-linked immunosorbent assay (ELISA) for quantitative detection of Golgi protein73 (GP73) in serum.

METHODS:

A sandwich reaction was preformed with horseradish peroxidase labeled monoclonal antibody of GP73 as the catalytic enzyme. Several reactions liquid's concentration and reaction conditions were optimized. The method was evaluated in all aspects such as linear range, sensitivity, specificity, stability and so on.

RESULTS:

The linear range was 25-500 ng/ml. The detection limit was 18.5 ng/ml. Inter-assay and intra-assay RSD were both less than 10%. The recoveries of three different spiked concentration samples were 95.3%, 92.6% and 103.7%. After stored at 4 degrees C and 37 degrees C for 3, 5, 7 days, the analysis showed correlation coefficient higher than 0.98 and RSD lower than 10%.

CONCLUSION:

Established ELISA for quantity determination of serum GP73 has high accuracy, sensitivity and repeatability.

PMID:
24645330
[Indexed for MEDLINE]
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