The Relationship between Dietary Copper intake and Telomere Length in Hypertension - 17/12/24
, Jianghua Zhou 4
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Abstract |
Background |
More indications proved that diet might be involved in the telomere length, a marker of biological aging and chronic diseases. Copper is widely viewed as one of the essential elements in the diet. Therefore, this study aimed to evaluate the relationship between telomere length and dietary copper intake in hypertension and provide a basis for guiding dietary copper intake in patients with hypertension.
Methods |
The data was collected from the National Health and Nutrition Examination Survey (NHANES) in 1999–2000 and 2001–2002. The relevance between telomere length and dietary copper intake in hypertension is assessed using a multivariable linear regression model.
Results |
We gathered 1,867 participants with hypertension with assessed telomere length and dietary copper intake. We found that one unit increasing log-transformed dietary copper intake in hypertension was significantly associated with longer telomere length base pair (bp) (β = 112.20, 95% confidence interval [CI]: 5.48, 218.92), after controlling for covariates, including age, sex, ethnicity, body mass index (BMI), physical activity, and taking medication for hypertension. For the age group, we found that one unit increasing log-transformed dietary copper in hypertension was associated with longer telomere length (β = 237.95, 95% CI: 114.39, 361.51) in the age group >45 years. The grouping was based on whether the participants take medication for hypertension. We found that one unit increasing log-transformed dietary copper in hypertension was associated with longer telomere length (β = 116.47, 95% CI: 0.72, 232.21) in the group that takes medication for hypertension.
Conclusions |
This study demonstrates that dietary copper intake was associated with longer telomere length in patients with hypertension, which provides evidence for guiding dietary copper intake in patients with hypertension. However, further studies are needed to evaluate the effect of copper supplementation on telomere length in patients with hypertension in well-designed random control studies and prospective studies.
Le texte complet de cet article est disponible en PDF.Key words : Telomere length, dietary copper, hypertension, NHANES
Plan
Vol 26 - N° 5
P. 510-514 - mai 2022 Retour au numéro
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