Long-Term Ketogenic Diet Induces Metabolic Acidosis, Anemia, and Oxidative Stress in Healthy Wistar Rats
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- Aryadi Arsyad
- Department of Physiology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
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- Irfan Idris
- Department of Physiology, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
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- Andi A. Rasyid
- Biomedical Science Study Program, Postgraduate School, Hasanuddin University, Makassar, Indonesia
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- Rezky A. Usman
- Biomedical Science Study Program, Postgraduate School, Hasanuddin University, Makassar, Indonesia
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- Kiki R. Faradillah
- Biomedical Science Study Program, Postgraduate School, Hasanuddin University, Makassar, Indonesia
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- Wa Ode U. Latif
- Biomedical Science Study Program, Postgraduate School, Hasanuddin University, Makassar, Indonesia
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- Zidni I. Lubis
- Department of Physiotherapy, Faculty of Health Science, University of Muhammadiyah Malang, Malang, Indonesia
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- Aminuddin Aminuddin
- Department of Nutrition, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
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- Ika Yustisia
- Department of Biochemistry, Faculty of Medicine, Hasanuddin University, Makassar, Indonesia
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- Yulia Y. Djabir
- Laboratory of Clinical Pharmacy, Faculty of Pharmacy, Hasanuddin University, Makassar, Indonesia
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<jats:p><jats:italic>Background</jats:italic>. Ketogenic diet has been used as supportive therapy in a range of conditions including epilepsy, diabetes mellitus, and cancer. <jats:italic>Objective</jats:italic>. This study aimed to investigate the effects of long-term consumption of ketogenic diet on blood gas, hematological profiles, organ functions, and superoxide dismutase level in a rat model. <jats:italic>Materials and Methods</jats:italic>. Fifteen male Wistar rats were divided into control (<jats:italic>n</jats:italic> = 8) and ketogenic (<jats:italic>n</jats:italic> = 7) groups. Controls received standard diet contained 52.20% of carbohydrates, 7.00% fat, and 15.25% protein; meanwhile, the ketogenic group received a high-fat-low-carbohydrate diet which contained 5.66% of carbohydrate, 86.19% fat, and 8.15% protein. All rats were caged individually and received 30g of either standard or high-fat-low-carbohydrate pellets. The experiment was carried out for 60 days before the blood samples were taken and analyzed to obtain blood gas, cell counts, organ biomarkers, and plasma antioxidant superoxide dismutase (SOD) levels. <jats:italic>Results</jats:italic>. The rats subjected to ketogenic diet experienced a marked decrease in body weight, blood sugar, and increased blood ketones (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M1"><mml:mi>p</mml:mi><mml:mo><</mml:mo><mml:mn>0.05</mml:mn></mml:math>). The average blood pH was 7.36 ± 0.02 and base excess was −5.57 ± 2.39 mOsm/L, which were significantly lower than controls (<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" id="M2"><mml:mi>p</mml:mi><mml:mo><</mml:mo><mml:mn>0.05</mml:mn></mml:math>). Hematological analysis showed significantly lower erythrocyte, hemoglobin, and hematocrit levels. No significant changes were found in alanine aminotransferase, aspartate aminotransferase, urea, and creatinine levels, indicating normal liver and kidney functions. Nevertheless, plasma SOD level significantly reduced with ketogenic diet. <jats:italic>Conclusion</jats:italic>. Long-term ketogenic diet induces metabolic acidosis, anemia, and reduced antioxidant enzyme level in rats following 60 days of consuming high-fat-low-carbohydrate diet.</jats:p>
収録刊行物
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- Journal of Nutrition and Metabolism
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Journal of Nutrition and Metabolism 2020 1-7, 2020-06-29
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