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Potential Role of Sirtuin as a Therapeutic Target for Neurodegenerative Diseases

Han SH

The sirtuins (SIRTs) are protein-modifying enzymes that are distributed ubiquitously in all organisms. SIRT1 is a mammalian homologue of yeast nicotinamide-adenine-dinucleotide-dependent deacetylase silent information regulator 2 (known as Sir2), which...
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Sirt1 as a New Therapeutic Target in Metabolic and Age-Related Diseases

Lee DH

Sirt1 among the mammalian sirtuins has generated intense scientific interest in recent years, mainly because of its effects on longevity, metabolism, and other aging-related processes. Via nicotinamide adenine dinucleotide (NAD)-dependent...
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Molecular Links between Caloric Restriction and Sir2/SIRT1 Activation

Wang Y

Ageing is the most significant risk factor for a range of prevalent diseases, including cancer, cardiovascular disease, and diabetes. Accordingly, interventions are needed for delaying or preventing disorders associated with...
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Carcinogenic Compounds, 2-nitrofluorene and Clonidine Can Modulate the Level of Sirtuin mRNAs Expression in Human Adipose Tissue-derived Stem Cells

Lee J, Lee CY, Kwon Y, Kim H, Kim H

Sirtuins (SIRTs) are involved in multiple cellular processes. And they are involved in cellular pathways related aging, cancer, and a variety of cellular functions including cell cycle, DNA repair and...
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Mitochondrial Mechanisms in Diabetic Cardiomyopathy

Gollmer J, Zirlik A, Bugger H

Mitochondrial medicine is increasingly discussed as a promising therapeutic approach, given that mitochondrial defects are thought to contribute to many prevalent diseases and their complications. In individuals with diabetes mellitus...
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Expression of SIRT1 and SIRT3 varies according to age in mice

Kwon Y, Kim J, Lee CY, Kim H

Sirtuins (SIRTs) are involved in multiple cellular processes including those related to aging, cancer, and a variety of cellular functions including cell cycle progression, DNA repair, and cellular proliferation. SIRTs...
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Prognostic Significance of Sirtuins Expression in Papillary Thyroid Carcinoma

Kang YE, Shong M, Kim JM, Koo BS

BACKGROUND AND OBJECTIVES: Sirtuins (SIRTs) play important roles in cellular and organismal homeostasis. They have distinct gene expression patterns in various cancers; however, the relationship between SIRT expression and the...
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Duodenal-Jejunal Bypass Surgery Stimulates the Expressions of Hepatic Sirtuin1 and 3 and Hypothalamic Sirtuin1

Ha E, Kang JY, Park KS, Seo YK, Ha TK

BACKGROUND: Sirtuins mediate metabolic responses to nutrient availability and slow aging and accompanying decline in health. This study was designed to assess the expressions of sirtuin1 (SIRT1) and sirtuin3 (SIRT3)...
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Luteolin and fisetin suppress oxidative stress by modulating sirtuins and forkhead box O3a expression under in vitro diabetic conditions

Kim A, Lee W, Yun JM

BACKGROUND/OBJECTIVE: Chronic hyperglycemia induces oxidative stress via accumulation of reactive oxygen species (ROS) and contributes to diabetic complications. Hyperglycemia induces mitochondrial superoxide anion production through the increased activity of nicotinamide...
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Emodin exerts protective effect against palmitic acid-induced endoplasmic reticulum stress in HepG2 cells

Thomas SS, Park S, Cha YS, Kim KA

PURPOSE: Protein overloading in the endoplasmic reticulum (ER) leads to endoplasmic reticulum stress, which exacerbates various disease conditions. Emodin, an anthraquinone compound, is known to have several health benefits. The...
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Supplementation with psyllium seed husk reduces myocardial damage in a rat model of ischemia/reperfusion

Lim SH, Lee J

BACKGROUND/OBJECTIVES: Myocardial infarction (MI) is caused by extensive myocardial damage attributed to the occlusion of coronary arteries. Our previous study in a rat model of ischemia/reperfusion (I/R) demonstrated that administration...
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AMP-activated protein kinase as a key molecular link between metabolism and clockwork

Lee Y, Kim EK

  • KMID: 2154252
  • Exp Mol Med.
  • 2013 Jul;45(7):e33.
Circadian clocks regulate behavioral, physiological and biochemical processes in a day/night cycle. Circadian oscillators have an essential role in the coordination of physiological processes with the cyclic changes in the...
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Nicotinamide riboside regulates inflammation and mitochondrial markers in AML12 hepatocytes

Lee HJ, Yang SJ

BACKGROUND/OBJECTIVES: The NAD+ precursor nicotinamide riboside (NR) is a type of vitamin B3 found in cow's milk and yeast-containing food products such as beer. Recent studies suggested that NR prevents...
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Rejuvenating Aged Hematopoietic Stem Cells Through Improvement of Mitochondrial Function

Moon J, Kim HR, Shin MG

Mitochondria are the powerhouses of the cell as well as the primary site of hematopoiesis, which also occurs in the cytoplasm. Hematopoietic stem cells (HSCs) are characterized by a very...
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SIRT1 promotes DNA repair activity and deacetylation of Ku70

Jeong J, Juhn K, Lee H, Kim SH, Min BH, Lee KM, Cho MH, Park GH, Lee KH

  • KMID: 1103676
  • Exp Mol Med.
  • 2007 Feb;39(1):8-13.
Human SIRT1 controls various physiological responses including cell fate, stress, and aging, through deacetylation of its specific substrate protein. In processing DNA damage signaling, SIRT1 attenuates a cellular apoptotic response...
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