Oral Co-administration of Soy-derived Extracts with Alcohol or with Sugar-sweetened Beverages Exerts Liver and Sugar Protective Effects

Khoury, Tawfik; Rotnemer-Golinkin, Dvorah; Shabat, Yehudit; Zolotarovya, Lidya; Ilan, Yaron

doi:10.14218/jcth.2017.00019

Cited by 1 publication

(1 citation statement)

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“…These effects were attributed to the potential immunomodulatory effect of GSLs [19,37]. They also support a potential oralimmunotherapy-based mechanism of action recently described for several compounds [21,25,29,[37][38][39][40][41][42][43][44][45][46][47][48].…”

Section: Discussionsupporting

confidence: 81%

Increased hepatic Akt phosphorylation alleviated glucose intolerance and improved liver function in leptin-deficient mice

Adar¹,

Mizrahi²,

Lichtenstein³

et al. 2023

ceh

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Aim of the study: Akt is involved in upregulating the insulin-signaling pathways essential for maintaining glucose metabolism. Glycosphingolipids are involved in the pathogenesis of glucose intolerance and associated target organ injury. On the other hand, oral administration of β-glucosylceramide (GC) has been shown to alleviate insulin resistance. The present study aimed to determine the effects of oral administration of insulin and GC, separately and in combination, on Akt expression and the subsequent effect on metabolic syndrome characteristics in leptin-deficient mice. Material and methods: Four groups of leptin-deficient ob/ob mice were orally administered for four weeks: vehicle, GC, short-acting insulin, and GC combined with insulin. Mice were followed for hepatic Akt expression and changes in tumor necrosis factor α (TNF-α) level, hyperlipidemia, and liver damage. Results: In mice that received insulin or GC, particularly those that received both, the liver phosphorylation of Akt was significantly increased compared to those that received only vehicle. Serum TNF-α levels decreased in insulin-treated mice. These effects were associated with alleviating glucose intolerance and hyperlipidemia, as manifested by a significant glucose tolerance test improvement and reductions in serum triglyceride and cholesterol levels. Significant liver damage alleviation was noted by liver enzyme reductions in all treated groups, along with liver steatosis in the insulin-treated mice. Conclusions: These data established the potential use of oral insulin administration with glycosphingolipids to alleviate glucose intolerance and associated liver damage and hyperlipidemia via increased Akt expression in the liver. The data support targeting Akt as a potent therapeutic target for metabolic syndrome.

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