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94 results about "Sirtuin" patented technology

Sirtuins are a class of proteins that possess either mono-ADP-ribosyltransferase, or deacylase activity, including deacetylase, desuccinylase, demalonylase, demyristoylase and depalmitoylase activity. The name Sir2 comes from the yeast gene 'silent mating-type information regulation 2', the gene responsible for cellular regulation in yeast.

Treatment and Prevention of Bone and Joint Disorders

The invention encompasses compositions and methods for effectively treating and / or preventing osteoporosis and related disorders such as osteoarthritis and rheumatoid arthritis, and for promoting overall bone and joint health. This is accomplished by totally addressing the multiple mechanisms that lead to such disorders. The invention includes compositions comprising a combination of agents that effectively suppress, regulate or interfere with the various biochemical processes and mechanisms that increase the risk for development of osteoporosis. The present compositions and methods simultaneously promote bone formation and reduce bone resorption by (a) stimulating osteoblast formation and osteogenesis; (b) suppressing adipocyte differentiation; (c) inhibiting osteoclast formation; and (d) increasing apoptosis of osteoclasts. The inventive compositions used for administration to human and other mammalian subjects having or at risk for development of osteoporosis comprise (1) at least one agent capable of modulating expression and / or activity of one or more of peroxisome activated protein receptor gamma (PPAR-γ), CAAT / enhancer binding protein-α (C / EBPα) and Sterol Regulatory Element-Binding Protein (SREBP-1); (2) at least one agent that activates expression and / or activity of one or more of the osteogenic transcription factors (Runx2 / Cbfα1, Dlx5, Osterix, Msx2); (3) at least one agent that activates expression and / or activity of one or more of bone morphogenetic proteins (BMPs: BMP 2 and 4), alkaline phosphatase (ALP), and osteocalcin; (4) at least one agent capable of activating Wnt / β-catenin signaling pathway; (5) at least one agent that inhibits the activity of pro-oxidants including reactive nitrogen species and reactive oxygen species (ROS); (6) at least one agent that suppresses one or more of inflammatory mediators including interleukins IL-1α, IL-1β, IL-6, NF-κB, TNF-α, matrix metalloproteinases (MMPs) and prostaglandin E2 (PGE2); and (7) at least one agent that induces the expression of and / or activates one or more of adenosine monophosphate-activated protein kinase (AMPK), sirtuin (SIRT1) and adiponectin (AP).
Owner:SUMMIT INNOVATION LABS LLC

Treatment and Prevention of Diabetes and Obesity

The invention encompasses compositions and methods for effectively treating and / or preventing diabetes and / or obesity. This is accomplished by totally addressing the multiple mechanisms that lead to such conditions. The invention includes compositions comprising a combination of agents that effectively suppress, regulate or interfere with the various biochemical processes and mechanisms that lead to diabetes and obesity. The inventive compositions used for administration to human and other mammalian subjects comprise (1) at least one agent capable of modulating expression and / or activity of one or more of peroxisome activated protein receptor gamma (PPAR-γ), CAAT / enhancer binding protein-α (C / EBPα) and Sterol Regulatory Element-Binding Protein (SREBP-1); (2) at least one agent capable of activating Wnt / β-catenin pathway; (3) at least one agent capable of activating the adenosine monophosphate-activated protein kinase (AMPK) signaling pathway; (4) at least one agent that inhibits the activity of pro-oxidants including reactive nitrogen species and reactive oxygen species (ROS); (5) at least one agent that suppresses one or more of inflammatory mediators including interleukins IL-1α, IL-1β, IL-6, NF-κB, TNF-α, matrix metalloproteinases (MMPs) and prostaglandin E2 (PGE2); (6) at least one agent capable of enhancing glucose transporter (GLUT4) and / or inhibiting glucose transporter GLUT2; (7) at least one agent that induces the expression of and / or activates adiponectin and (8) at least one agent that induces the expression of and / or activates sirtuin (SIRT1). The active agents for use herein are natural materials such as phytonutrients, vitamins and minerals. Compositions with combinations of such natural agents have the ability to prevent, reduce or treat diabetes and obesity by (a) clearing glucose and fatty acids from blood, (b) reducing the number of adipose cells and fat storage, (c) interfering with fat, glucose, and cholesterol biosynthesis, and (d) promoting fat and glucose oxidation.Since the present compositions are aimed toward normalizing metabolism and energy expenditure and managing oxidative stress and inflammation, they are also beneficial in relation to physical activity, in particular performance, endurance, fatigue and recovery during intensive and continuous exercise / exertion.
Owner:SUMMIT INNOVATION LABS LLC

Use of SIRT7 as novel cancer therapy target and method for treating cancer using the same

ActiveUS20150177248A1Facilitates intracellular releasePromote growthCompound screeningApoptosis detectionCancer cellCancer therapy
The present invention relates to the use of SIRT7 (sirtuin 7) as a marker for diagnosis of liver cancer. More specifically, the invention relates to a liver cancer diagnostic marker comprising SIRT7 gene, a liver cancer diagnostic composition, kit and microarray comprising the same, and a method of diagnosing liver cancer using the same. The invention also relates to a method for screening a substance capable of preventing or treating liver cancer by inhibiting the expression of SIRT7 gene or protein, and to a composition for preventing or treating liver cancer, which comprises the substance. The expression level of SIRT7 gene is higher in liver cancer tissue or cells than in non-liver cancer tissue or cells. Thus, when SIRT7 gene is used as a cancer diagnostic marker, cancer can be early diagnosed and predicted in a rapid and accurate manner, and it can be used as a target for development of an agent for preventing or treating cancer. Moreover, the invention is based on the finding that the expression of SIRT7 gene is indicative of the development and proliferation of cancer cells, and cell cycle transition, and thus the invention relates to the use of SIRT7 gene as a cancer diagnostic marker and to the anticancer use of inhibition of SIRT7 expression. In addition, the invention is based on the relationship between the SIRT7 expression and a specific miRNA, and thus relates to the use of the specific miRNA to regulate the cell cycle and inhibit tumor growth.
Owner:THE CATHOLIC UNIV OF KOREA IND ACADEMIC COOPERATION FOUND
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