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Association Between Dietary Intake, Profibrotic Markers, and Blood Pressure in Patients With Chronic Kidney Disease Publisher

Summary: Higher insoluble fiber intake may lower MMP-2 levels in CKD patients, while molybdenum intake correlates with DBP. More research is needed to confirm. #KidneyHealth #DietaryFiber

Mohtashamian A ; Soleimani A ; Reza Gilasi HR ; Kheiripour N ; Taba SMM ; Sharifi N
Authors

Source: Advanced Biomedical Research Published:2024


Abstract

Background: Among profibrotic and oxidant factors, matrix metalloproteinases (MMPs) and advanced glycation end products (AGEs) have a major impact on the progression of chronic kidney disease (CKD). However, very limited studies evaluated the relationships between nutrient intake and the mentioned factors in patients with CKD. Therefore, the present study aimed to investigate the correlation between dietary intake and the levels of MMPs, AGEs, and blood pressure (BP) in these patients. Materials and Methods: This cross‑sectional study was performed on 90 patients with CKD (stages 2–5). To evaluate the dietary intake of patients, three days of 24‑hour food recall were completed through face‑to‑face and telephone interviews. Measurement of MMP‑2 and MMP‑9 concentration was done by enzyme‑linked immunosorbent assay. The fluorimetric technique was used to measure the total serum AGEs. Results: The patients’ average dietary intake of sodium, potassium, phosphorus, energy, and protein was 725 mg/day, 1600 mg/day, 703 mg/day, 1825 kcal/day, and 64.83 g/day, respectively. After adjustment of confounding variables, a significant inverse relationship was observed between dietary intake of insoluble fiber and serum levels of MMP‑2 (β = ‑0.218, P = 0.05). In addition, a significant positive relationship was found between molybdenum (Mo) intake and diastolic BP (β =0.229, P = 0.036). Conclusion: A higher intake of insoluble fiber might be associated with lower serum levels of MMP‑2. Also, a higher Mo intake can be correlated to a higher DBP in patients with CKD. It is suggested to conduct future studies with longitudinal designs and among various populations to better elucidate the observed relationships. © 2025 Elsevier B.V., All rights reserved.
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