Journal of nutritional science and vitaminology · 2020
SIRT1 as a Potential Biomarker for Obesity.
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Salim Stephen, Kartawidjajaputra Felicia, Suwanto Antonius
Аннотация
UNLABELLED: Asian people generally have thin figures; yet, they often suffer from hidden alarming metabolic conditions due to high visceral fat area (VFA). Therefore, it is crucial to have a biomarker to predict visceral obesity to prevent further complications. SIRT1, a NAD-dependent deacetylase gene, is responsible for upregulating lipolysis genes and is downregulated after acute high-fat meal consumption. However, the chronic exposure effect remains unknown. The purpose of this study was to assess the association between SIRT1 mRNA expression, fat intake, and visceral obesity in Indonesian population.
METHODS: This cross-sectional study involved 38 healthy subjects (20-30 y old, not suffering any chronic diseases or fever, not taking any medication or treatment, not smoking, not drinking alcohol frequently, not being pregnant, and not breastfeeding). Dietary patterns from 24-h food recall, physical activities fom international physical activity questionnaire (IPAQ), medical data from annual medical check-up, and body compositions were measured using InBody720 and compared with SIRT1 expression from peripheral blood mononuclear cells (PBMCs) samples.
RESULTS: Subjects with excessive percentage of body fat (PBF) had a significantly higher body mass index (BMI) (normal: 20.28±2.09, excessive: 23.86±3.71, p=0.023) and VFA (normal: 48.00±9.38, excessive: 79.17±16.14, p=5×1025). The SIRT1 mRNA expression was significantly higher in subjects with excessive PBF (normal: 1±0.43, excessive: 3.68±2.62, p=0.018) and positively correlated with PBF (ρ=0.376, p=0.045).
CONCLUSION: SIRT1 acted as a potential marker for obesity in the evaluated population.
METHODS: This cross-sectional study involved 38 healthy subjects (20-30 y old, not suffering any chronic diseases or fever, not taking any medication or treatment, not smoking, not drinking alcohol frequently, not being pregnant, and not breastfeeding). Dietary patterns from 24-h food recall, physical activities fom international physical activity questionnaire (IPAQ), medical data from annual medical check-up, and body compositions were measured using InBody720 and compared with SIRT1 expression from peripheral blood mononuclear cells (PBMCs) samples.
RESULTS: Subjects with excessive percentage of body fat (PBF) had a significantly higher body mass index (BMI) (normal: 20.28±2.09, excessive: 23.86±3.71, p=0.023) and VFA (normal: 48.00±9.38, excessive: 79.17±16.14, p=5×1025). The SIRT1 mRNA expression was significantly higher in subjects with excessive PBF (normal: 1±0.43, excessive: 3.68±2.62, p=0.018) and positively correlated with PBF (ρ=0.376, p=0.045).
CONCLUSION: SIRT1 acted as a potential marker for obesity in the evaluated population.