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Effects of enteral nutrition formulas with varying carbohydrate amounts on glycemic control in diabetic mice
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Yukari Miki, Kazuo Hino
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Received March 13, 2025 Accepted March 13, 2025 Published online March 21, 2025
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DOI: https://doi.org/10.15747/ACNM.25.0006
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 Abstract
 ePub
- Purpose
This study evaluated the effects of an 8‑week liquid diets with different carbohydrate contents–64% energy in HINE E‑Gel (ST) and 50% energy in HINE E‑Gel LC (LC)–on glycemic control and nutritional status in a mouse model of type 2 diabetes mellitus (db/db mice). The objective was to determine whether reducing carbohydrate intake within the Dietary Reference Intakes for Japanese people improves glycemic control indices, addressing the evidence gap in regarding the long‑term safety and efficacy of low‑carbohydrate enteral nutrition in patients with diabetes.
Methods
db/db mice (n=10 per group) and non‑diabetic db/m mice (n=4) as controls were fed ST, LC, or AIN‑93G diets ad libitum for 8 weeks. The diets primarily differed in carbohydrate content (64% in ST vs. 50% in LC). Blood glucose and glycated hemoglobin (HbA1c), plasma glucose and glycoalbumin, organ weights, and renal function markers were measured weekly or at 4 and 8 weeks. Histopathological examinations of the liver and kidneys were performed at 8 weeks.
Results
At 8 weeks, the LC group showed significantly lower plasma glucose (P=0.0051) and glycoalbumin (P=0.0013) levels compared to the ST group, with a trend toward lower HbA1c (P=0.0514). Although body weight was significantly higher in the LC group (P=0.0038), there were no significant differences between the ST and LC groups in caloric intake, renal function, or histopathological findings.
Conclusion
Reducing carbohydrate intake to 50% of total energy within dietary guidelines may improve glycemic control in diabetic mice, suggesting the need for further long‑term evaluation for clinical applications.
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