期刊
JOURNAL OF NUTRITION HEALTH & AGING
卷 26, 期 4, 页码 360-367出版社
SPRINGER FRANCE
DOI: 10.1007/s12603-022-1763-2
关键词
Protein; carbohydrate; energy; intake; longevity
资金
- Spanish Ministry of Education [FPU14/04172, FPU15/03960, FPU19/01609]
- University of Granada UGR Research and Knowledge Transfer Fund (PPIT) 2016 (Excellence Actions Programme. Units of Scientific Excellence: Scientific Unit of Excellence on Excercise and Health [UCEES])
- Plan Propio de Investigacion 2019 -Programa Contratos-Puente, by the Regional Government of Andalusia, Regional Ministry of Economy, Knowledge, Entreprises and University
- European Regional Development Fund (ERDF) [SOMM17/6107/UGR]
- Redes Tematicas de Investigacion Cooperativa RETIC grant [Red SAMID RD16/0022]
- Junta de Andalucia, Consejeria de Conocimiento, Investigacion y Universidades (Proyectos de I+D+i en el marco del Programa Operativo FEDER Andalucia) [B-CTS-363-UGR18]
This study analyzed the association between energy intake, dietary energy density, macronutrient intake, and S-Klotho plasma levels in middle-aged sedentary adults. The results found that there was no association between energy, dietary energy density, or macronutrient intake and S-Klotho plasma levels in men. However, in women, there was an inverse association between energy, protein, and carbohydrate intake with S-Klotho plasma levels.
Background The ageing process can be influenced by energy intake and different macronutrients within the diet. The soluble form of the a-Klotho gene (called S-Klotho) is widely considered as a powerful anti-ageing biomarker. Objective To analyze the association of energy, dietary energy density and macronutrient intake with S-Klotho plasma levels in middle-aged sedentary adults. Methods A total of 72 (52.8% women) middle-aged sedentary adults (53.7 +/- 5.2 years old) participated in the study. Energy and macronutrients intake (i.e. fat, carbohydrate and protein) were assessed using three non-consecutive 24-h recalls. S-Klotho plasma levels were measured in the Ethylenediaminetetraacetic acid (EDTA) plasma using a solid-phase sandwich enzyme-linked immunosorbent assay. Results No association was observed between energy, dietary energy density or macronutrient intake and S-Klotho plasma levels in men (all P >= 0.1). We found an inverse association between energy, protein and carbohydrate intake with S-Klotho plasma levels in women (all P <= 0.043), which disappeared after controlling for age, lean mass index and sedentary time. An inverse association was observed between dietary energy density and S-Klotho plasma levels in women after controlling for covariates (all P <= 0.05). Conclusion In summary, the present study showed an inverse association of dietary energy density with S-Klotho plasma levels in middle-aged women. In addition, our data suggest that the associations between energy and macronutrient intake could be highly dependent on lean mass and sedentary time.
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