Association between SLCO1B1 rs4149056 and tegafur–uracil-induced hepatic dysfunction in breast cancer

Author:

Kamio Hidenori1,Uchiyama Toshitaka2,Kanno Hitoshi2,Onoe Yoshiko3,Saito Kayoko2,Kameoka Shingo1,Kamio Takako1,Okamoto Takahiro1

Affiliation:

1. Department of Surgery II, School of Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan

2. Institute of Medical Genetics, School of Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan

3. Department of Obstetrics & Gynecology, School of Medicine, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666, Japan

Abstract

Aim: The aim of this study was to identify pharmacogenomic biomarkers to predict tegafur–uracil (UFT)-induced liver dysfunction. Patients & methods: A total of 68 patients, who were administered UFT, were evaluated using a two-step pharmacogenomics analysis. Results: The first screening revealed the association between five SNPs and UFT-induced hepatic dysfunction. In the second step, SLCO1B1 (rs4149056) was found to be the only SNP associated with UFT treatment-related elevation of aspartate aminotransferase (odds ratio: C/C vs T/T = 7.8, C/T vs T/T = 5.7; p = 0.037) and alanine transaminase (odds ratio: C/C vs T/T = 12.2, C/T vs T/T = 4.1; p = 0.034) levels. Conclusion: The SLCO1B1 polymorphisms are possible predictors of UFT treatment-related hepatic dysfunction.

Publisher

Future Medicine Ltd

Subject

Pharmacology,Genetics,Molecular Medicine

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