Influence of AHRR Pro189Ala polymorphism on kidney functions

Author:

Nakayama Kazuhiro1,Saito Shinichi23,Watanabe Kazuhisa1,Miyashita Hiroshi4,Nishijima Fuyuhiko5,Kamo Yoshie3,Tada Koji3,Ishizuka Satoshi3,Niwa Toshimitsu26,Iwamoto Sadahiko1,Shimizu Hidehisa237

Affiliation:

1. Division of Human Genetics, Center for Molecular Medicine, Jichi Medical University, Tochigi, Japan

2. Department of Advanced Medicine for Uremia, Nagoya University Graduate School of Medicine, Aichi, Japan

3. Division of Applied Bioscience, Research Faculty of Agriculture, Hokkaido University, Hokkaido, Japan

4. Health Care Center, Jichi Medical University, Tochigi, Japan

5. Biomedical Research Laboratories, Kureha Co., Tokyo, Japan

6. Faculty of Health and Nutrition, Shubun University, Aichi, Japan

7. Faculty of Life and Environmental Science, Department of Life Science and Biotechnology, Shimane University, Shimane, Japan

Abstract

Abstract The function of aryl hydrocarbon receptor repressor (AHRR) in the kidney is unclear. The present study investigated associations between AHRR Pro189Ala polymorphism and estimated glomerular filtration rates (eGFR), serum creatinine, and hemoglobin levels in 2775 Japanese adults without diabetes. In addition, we examined whether AHRR expression levels in the kidney of control and chronic kidney disease (CKD) rats were changed. Multiple linear regression analyses showed that carriers of the Ala allele had increased eGFR and lower concentrations of serum creatinine and hemoglobin (p < 0.05). Immunohistochemical analysis showed that the expression of AHRR was upregulated in the kidneys of rats with CKD. These findings suggest that AHRR plays distinct roles in kidney functions and hemoglobin values. The effects of the AHRR polymorphism might be intensified in the kidneys of patients with CKD.

Funder

Grants-in-Aid for Scientific Research

Publisher

Oxford University Press (OUP)

Subject

Organic Chemistry,Molecular Biology,Applied Microbiology and Biotechnology,General Medicine,Biochemistry,Analytical Chemistry,Biotechnology

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