- In this study quercetin has been found to not only counter the effects of hypoxia in fat cells, but but actually to overcompensate those effects and improve fat tissue oxygenation
- Hypoxia is a key cause of cellulite and quercetin proves once again a valuable tool in the fight against cellulite, warranting it's use in anti-cellulite creams and also in nutritional supplements
- In addition quercetin has been found to boost the levels of irisin and PAI-1, which fight adipogenesis and fibrosis, respectively
- Quercetin Impacts Expression of Metabolism- and Obesity-Associated Genes in SGBS Adipocytes.
- Abstract: Obesity is characterized by the rapid expansion of visceral adipose tissue, resulting in a hypoxic environment in adipose tissue which leads to a profound change of gene expression in adipocytes. As a consequence, there is a dysregulation of metabolism and adipokine secretion in adipose tissue leading to the development of systemic inflammation and finally resulting in the onset of metabolic diseases. The flavonoid quercetin as well as other secondary plant metabolites also referred to as phytochemicals have anti-oxidant, anti-inflammatory, and anti-diabetic effects known to be protective in view of obesity-related-diseases. Nevertheless, its underlying molecular mechanism is still obscure and thus the focus of this study was to explore the influence of quercetin on human SGBS (Simpson Golabi Behmel Syndrome) adipocytes' gene expression. We revealed for the first time that quercetin significantly changed expression of adipokine (Angptl4, adipsin, irisin and PAI-1) and glycolysis-involved (ENO2, PFKP and PFKFB4) genes, and that this effect not only antagonized but in part even overcompensated the effect mediated by hypoxia in adipocytes. Thus, these results are explained by the recently proposed hypothesis that the protective effect of quercetin is not solely due to its free radical-scavenging activity but also to a direct effect on mitochondrial processes, and they demonstrate that quercetin might have the potential to counteract the development of obesity-associated complications.
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