The individual chemical components of commercial extract of Gymnema sylvestre, a medicinal plant used in the traditional systems of the Indian medicine for its antidiabetic and hypolipidemic properties, were isolated and evaluated for their capability to act as modulators of nuclear and membrane receptors involved in glucose and lipid homeostasis. The study disclosed for the first time that individual gymnemic acids are potent and selective antagonists for the β isoform of LXR. Indeed the above activity was shared by the most abundant aglycone gymnemagenin (10) whereas gymnestrogenin (11) was endowed with a dual LXRα/β antagonistic profile. Deep pharmacological investigation demonstrated that gymnestrogenin, reducing the expression of SREBP1c and ABCA1 in vitro, is able to decrease lipid accumulation in HepG2 cells. The results of this study substantiate the use of G. sylvestre extract in LXR mediated dislypidemic diseases.
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http://dx.doi.org/10.1016/j.steroids.2015.01.024 | DOI Listing |
Arch Biochem Biophys
January 2025
Department of Biotechnology, Maharaja Sriram Chandra Bhanjadeo University, (Erstwhile: North Orissa University), Baripada, Odisha 757003, India. Electronic address:
Our previous study revealed that lipid flip-flop inducing phytochemicals from Gymnema sylvestre increase membrane permeability of antimicrobials in S. aureus. However, their lipid flipping and membrane permeabilizing effect on methicillin resistant S.
View Article and Find Full Text PDFJ Nutr Biochem
November 2024
Chinese Academy of Sciences, Tianjin Institute of Industrial Biotechnology, Tianjin, China; TIB-UM Joint Laboratory of Synthetic Biology for Traditional Chinese Medicine, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, China. Electronic address:
Gut microbiota dysbiosis and gut barrier disruption are key events associated with high-fat diet (HFD)-induced systemic metabolic disorders. Gymnemic acid (GA) has been reported to have an important role in alleviating HFD-induced disorders of glycolipid metabolism, but its regulatory role in HFD-induced disorders of the gut microbiota and gut barrier function has not been elucidated. Here we showed that GA intervention in HFD-induced hamsters increased the relative abundance of short-chain fatty acid (SCFA)-producing microbes including Lactobacillus (P<.
View Article and Find Full Text PDFHeliyon
October 2023
Department of Psychobiology, Institute of Neurosciences, Centre for Biomedical Research, University of Granada, 18010, Granada, Spain.
The taste of food plays a crucial role in determining what and how much we eat. Thus, interventions that temporarily block sweet taste receptors offer a promising approach to addressing unhealthy behaviours associated with sugary foods. However, the relationship between reduced sweet taste response and food consumption remains unclear, with contradictory findings.
View Article and Find Full Text PDFInflammopharmacology
April 2023
Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Hyderabad, Telangana, 500007, India.
Acute respiratory distress syndrome (ARDS) is one of the major causes of mortality in COVID-19 patients, due to limited therapeutic options. This prompted us to explore natural sources to mitigate this condition. Gymnema Sylvestre (GS) is an ancient medicinal plant known to have various therapeutic effects.
View Article and Find Full Text PDFNutrients
December 2022
School of Sport, Nutrition and Exercise, Massey University, Auckland 0632, New Zealand.
Gymnemic-acids (GA) block lingual sweet taste receptors, thereby reducing pleasantness and intake of sweet food. Objective: To examine whether a 14-day gymnema-based intervention can reduce sweet foods and discretionary sugar intake in free-living adults. Healthy adults (n = 58) were randomly allocated to either the intervention group (INT) or control group (CON).
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