Abstract:
PURPOSE:Elevated aryl hydrocarbon receptor (AhR) transactivating (AHRT) activity and uremia in chronic kidney disease (CKD) may interact with each other, further complicating the disease course. In this study, we prospectively estimated serum AHRT activity using a highly sensitive cell-based AhR-dependent luciferase activity assay in CKD patients and compared differences therein according to treatment modality. MATERIALS AND METHODS:Patients undergoing peritoneal dialysis (PD) (n=22) and hemodialysis (HD) (n=38) and patients with pre-dialysis CKD stage IV or V (n=28) were included. AHRT activity and intracellular adenosine triphosphate (ATP) levels were measured. We performed a correlation analysis for AHRT activity, ATP levels, and various clinical parameters. RESULTS:AHRT activity and intracellular ATP levels were inversely correlated and differed according to treatment modalities. AHRT activity was higher in non-dialysis CKD patients than in patients undergoing dialysis and was higher in patients undergoing HD, compared to PD. AHRT activity decreased after HD treatment in HD patients. ATP levels were higher in healthy controls than in patients with pre-dialysis CKD and PD and were further decreased in patients with HD. We noted significant correlations between multiple clinical parameters associated with cardiovascular risk factors and AHRT activity. CONCLUSION:AHRT activity was elevated in CKD patients, while dialysis treatment reduced AHRT activity. Further studies are warranted to specify AHRT activity and to evaluate the precise roles thereof in patients with CKD.
journal_name
Yonsei Med Jjournal_title
Yonsei medical journalauthors
Kim JT,Kim SH,Min HK,Jeon SJ,Sung SA,Park WH,Lee HK,Choi HS,Pak YK,Lee SYdoi
10.3349/ymj.2020.61.1.56subject
Has Abstractpub_date
2020-01-01 00:00:00pages
56-63issue
1eissn
0513-5796issn
1976-2437pii
61.56journal_volume
61pub_type
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