I love translating one language. Introduction
The Curcuma genus (Family Zingiberaceae) contains approximately 50 species Found in Southeast Asia. Curcuma xanthorrhiza Roxb., Commonly Known as temu Lawak or Javanese Turmeric in Indonesia, is a well-Known Traditional Medicinal Plant with ITS Anti-inflammatory (Ozaki, 1,990. ) and anticancer (Park et al., 2008) activities as well as protective effects against liver damage (Lin et al., 1995). Terpenoids and curcuminoids were reported as its most abundant compounds (Uehara et al., 1992 and Sukari et al. ., 2008). As part of our studies on C. xanthorrhiza, some novel sesquiterpenoids were reported (Zhang et al., 2014), and some of the sesquiterpenoids from C. xanthorrhiza showed acetylcholinesterase (AChE) inhibitory acitivities (Zhang et al. , 2013). AChE inhibitors are important medications that have passed FDA approval for the treatment of mild to moderate Alzheimer's disease (Lau and Brodney, 2008). The AChE inhibitory activities of sesquiterpenoids indicated the potential of C. xanthorrhiza in the therapy of Alzheimer's disease. . Discovering effective and Safe AChE inhibitors from Traditional Medicines is an important Way to Prevent and Treat Alzheimer's disease.
Further bioassay-Guided Investigation on C. xanthorrhiza LED to the isolation of Nine compounds for the First time, including one New Guaiane-Type Sesquiterpenoid 1. , four of which showed AChE inhibitory activities. To further explore the potential of C. xanthorrhiza against Alzheimer's disease, the SIRT1 (silent information regulator two homologue 1) promotion activities of the compounds were tested using HEK293 cell lines. SIRT1 is a member of the. sirtuin family that possesses NAD + -dependent deacetylase activity and regulates a variety of cellular processes such as energy metabolism, cell-cycle progression and aging (Raghavan and Shah, 2012). SIRT1 is becoming an important drug target for new therapies in the treatment of neurodegenerative. diseases (Huber and Superti-Furga, 2011, Braidy et al., 2012 and Min et al., 2013). Small molecule SIRT1 activators or compounds that promote its expression could be candidates for the treatment of aging and age-related diseases (Bonda. et al., 2011, Karagiannis and Ververis, 2012 and Hubbard and Sinclair, 2014).
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