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. 2023 Jan;62(1):73-78.
doi: 10.1111/ijd.16343. Epub 2022 Jul 6.

Study of purine derivatives and their relation to renal disorders in patients with psoriasis

Heba A S Bazid  1 , Mohamed A Shoeib  1 , Samar El-Sayed  1 , Mohammad I Mostafa  2 , May M Shoeib  3 , Eman Salah Eldeen  4
Affiliations

Study of purine derivatives and their relation to renal disorders in patients with psoriasis

Heba A S Bazid et al. Int J Dermatol. 2023 Jan.

Abstract

Background: Psoriasis (Pso) is a chronic proliferative skin condition associated with hyperuricemia that may impair renal function.

Objectives: The current study investigates the correlation between purine derivatives (PDs) and renal function in patients with Pso.

Patients/methods: This case-control study comprises 30 psoriatic patients and 30 age- and sex-matched healthy controls. The enzyme-linked immunosorbent assay (ELISA) was used to assess serum xanthine oxidase (XO) and urine albumin levels. Serum uric acid (SUA) and urinary creatinine were measured using the colorimetric method.

Results: There was a rise in the related PDs levels in patients with Pso compared to controls, as evidenced by the enhanced SUA levels (p < 0.001) and XO levels (p < 0.001). The presence of the related PDs in the serum was linked to the severity of Pso, and there was also a connection between the related PDs levels in the blood and indicators of renal dysfunction. Moreover, SUA and urinary albumin creatinine ratio (UACR) were found to be significantly correlated (r = 0.371 and p = 0.044), as were XO and UACR (r = 0.422 and p = 0.020). In psoriatic patients with itching and palmoplantar affection, mean SUA levels were considerably more significant than those in other instances (p = 0.005 and p = 0.018, respectively).

Conclusion: Pso, being a hyperproliferative disease, is associated with hyperuricemia, which has a harmful effect on kidney function. The related PDs may be unique serological biomarkers for patients with Pso who are at high risk of developing renal abnormalities, especially with higher severity scores.

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