Sarcopoterium spinosum extract improved insulin sensitivity in mice models of glucose intolerance and diabetes

PloS One
Konstantin Rozenberg, Tovit Rosenzweig

Abstract

The glucose lowering properties of Sarcopoterium spinosum, a traditional medicinal plant, were previously validated by us using KK-Ay mice as a genetic model for type 2 diabetes (T2D). To clarify the effects of Sarcopoterium spinosum extract (SSE) on diet-induced glucose intolerance and to investigate SSE effects on carbohydrate and lipid metabolism in target tissues of both high-fat-diet (HFD)-fed and KK-Ay mice. Mice were given SSE (70 mg/day) for 6 weeks. SSE improved glucose tolerance and insulin sensitivity in HFD-fed mice as was demonstrated previously in KK-Ay mice. Higher insulin sensitivity was validated by lower serum insulin and activation of the insulin signaling cascade in skeletal muscle and liver of SSE-treated mice in both models. H&E staining of the livers demonstrated lower severity of steatosis in SSE-treated mice. Several model-specific effects of SSE were observed-mRNA expression of proinflammatory genes and CD36 was reduced in SSE-treated KK-Ay mice. Hepatic mRNA expression of PEPCK was also reduced in SSE-treated KK-Ay mice, while other genes involved in carbohydrates and lipid metabolism were not affected. HFD-fed mice treated by SSE had elevated hepatic glycogen stores. Gluconeogenic gene expression was...Continue Reading

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Citations

Jun 27, 2019·Nutrients·Michaella Ben-ShacharTovit Rosenzweig
Feb 13, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Alaa M Abu-Odeh, Wamidh H Talib

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Methods Mentioned

BETA
ELISA
electrophoresis
PCR
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