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Published in: Journal of Clinical Immunology 1/2010

01-01-2010

The −174 G/C Polymorphism in Interleukin-6 (IL-6) Promoter Region is Associated with Serum IL-6 and Carcinoembryonic Antigen Levels in Patients with Colorectal Cancers in Taiwan

Authors: Kun-Yun Yeh, Ying-Ying Li, Ling-Ling Hsieh, Jim-Ray Chen, Rei-Ping Tang

Published in: Journal of Clinical Immunology | Issue 1/2010

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Abstract

Introduction

We investigated the associations between −174 G/C polymorphism of interleukin-6 (IL-6) gene promoter and serum IL-6 and carcinoembryonic antigen (CEA) levels in Taiwanese patients with colorectal cancer (CRC).

Results and Discussion

The frequency of the G allele was only 0.043, which is significantly lower compared to Western analogs. On grouping genotypes as G-positive (GG and CG) and G-negative (GG), the average IL-6 level and CEA levels were significantly lower in G-positive patients than in G-negative analogs (IL-6, 3.56 ± 4.38 vs. 15.38 ± 9.52 pg/ml, P = 0.021; CEA, 27.7 ± 25.7 vs. 157.7 ± 59.6 ng/ml, P = 0.012). The patients without the G allele had higher incidences of synchronous cancers of other origins (P = 0.003).

Conclusion

In conclusion, ethnicity affects the status of −174 G/C IL-6 polymorphism. This polymorphism status consequently influences the expressions of serum IL-6 and CEA and incidences of synchronous cancers of other origins.
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Metadata
Title
The −174 G/C Polymorphism in Interleukin-6 (IL-6) Promoter Region is Associated with Serum IL-6 and Carcinoembryonic Antigen Levels in Patients with Colorectal Cancers in Taiwan
Authors
Kun-Yun Yeh
Ying-Ying Li
Ling-Ling Hsieh
Jim-Ray Chen
Rei-Ping Tang
Publication date
01-01-2010
Publisher
Springer US
Published in
Journal of Clinical Immunology / Issue 1/2010
Print ISSN: 0271-9142
Electronic ISSN: 1573-2592
DOI
https://doi.org/10.1007/s10875-009-9324-6

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