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Quercetin-induced apoptosis ameliorates vascular smooth muscle cell senescence through AMP-activated protein kinase signaling pathway

Kim SG, Sung JY, Kim JR, Choi HC

Aging is one of the risk factors for the development of cardiovascular diseases. During the progression of cellular senescence, cells enter a state of irreversible growth arrest and display resistance...
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Medium- and long-chain triglyceride propofol reduces the activity of acetyl-coenzyme A carboxylase in hepatic lipid metabolism in HepG2 and Huh7 cells

Wang LY, Wu J, Gao YF, Lin DM, Ma J

Medium- and long-chain triglyceride (MCT/LCT) propofol is widely used as an intravenous anesthetic, especially in the intensive care unit. The present study aimed to assess whether MCT/LCT propofol is safe...
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¹H-NMR Analysis of Metabolic Changes Induced by Snf1/AMP-Activated Protein Kinase During Environmental Stress Responses

Kim J, Oh J, Yoon DH, Sung GH

AMP-activated protein kinase sucrose non-fermenting 1 (Snf1) is a representative regulator of energy status that maintains cellular energy homeostasis. In addition, Snf1 is involved in the mediation of environmental stress...
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Anti-malarial Drugs Reduce Vascular Smooth Muscle Cell Proliferation via Activation of AMPK and Inhibition of Smad3 Signaling

Lee H, Han JH, Kim S, Kim S, Cho DH, Woo CH

OBJECTIVE: The aim of this study was to investigate the effects of 2 anti-malarial drugs, chloroquine (CQ) and hydroxychloroquine (HCQ), on inhibition of vascular smooth muscle cell (VSMC) proliferation both...
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Humanin suppresses receptor activator of nuclear factor-κB ligand-induced osteoclast differentiation via AMP-activated protein kinase activation

Kang N, Kim KW, Shin DM

Humanin (HN) is a mitochondrial peptide that exhibits cytoprotective actions against various stresses and diseases. HN has been shown to induce the phosphorylation of AMP-activated protein kinase (AMPK), which is...
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KIF11 Functions as an Oncogene and Is Associated with Poor Outcomes from Breast Cancer

Zhou J, Chen WR, Yang LC, Wang J, Sun JY, Zhang WW, He ZY, Wu SG

PURPOSE: The study aimed to search and identify genes that were differentially expressed in breast cancer, and their roles in cancer growth and progression. MATERIALS AND METHODS: The Gene Expression Omnibus...
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Effect of Manuka Honey on Transforming Growth Factor Beta-1-Induced Extracelluar Matrix Production in Nasal Polyp Derived Fibroblasts

Kil BK, Kim BM, Kang BJ, Ye MK, Shin SH

BACKGROUND AND OBJECTIVES: Manuka honey has anti-microbial, anti-inflammatory, and anti-proliferative action with a high concentration of methylglyoxal compound. It is also effective in killing Staphylococcus aureus biofilm and effective for...
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Metformin, an Activator of AMPK, Promotes the Growth of Hair Follicles via the AMPK/β-catenin Signaling Pathway

Moon HR, Park KY, Kang HJ, Lee WJ, Won CH, Chang SE, Lee MW, Choi JH, Park GH

  • KMID: 2449198
  • Korean J Dermatol.
  • 2019 May;57(4):175-181.
BACKGROUND: AMP-activated protein kinase (AMPK) is a serine/threonine protein kinase that plays a pivotal role in the balance of cellular energy metabolism. Recent studies have reported that AMPK has numerous...
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Metabolic Reprogramming by the Excessive AMPK Activation Exacerbates Antigen-Specific Memory CD8⁺ T Cell Differentiation after Acute Lymphocytic Choriomeningitis Virus Infection

Son J, Cho YW, Woo YJ, Baek YA, Kim EJ, Cho Y, Kim JY, Kim BS, Song JJ, Ha SJ

During virus infection, T cells must be adapted to activation and lineage differentiation states via metabolic reprogramming. Whereas effector CD8⁺ T cells preferentially use glycolysis for their rapid proliferation, memory...
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Asiatic Acid Induces Apoptosis and Autophagy and Reduces MiR-17 and MiR-21 Expression in Pancreatic Cancer Cell Lines

Jo YG, Kim M, Shin H, Lee KY, Lee EJ

This study investigated the cytotoxic effects and mechanism of action of asiatic acid in pancreatic cancer cell lines. First, we confirmed the cell viability of MIA PaCa-2 and PANC-1 cells...
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Metformin Ameliorates Lipotoxic β-Cell Dysfunction through a Concentration-Dependent Dual Mechanism of Action

Kim HI, Lee JS, Kwak BK, Hwang WM, Kim MJ, Kim YB, Chung SS, Park KS

BACKGROUND: Chronic exposure to elevated levels of free fatty acids contributes to pancreatic β-cell dysfunction. Although it is well known that metformin induces cellular energy depletion and a concomitant activation...
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Anti-proliferative Effect of 15,16-Dihydrotanshinone I Through Cell Cycle Arrest and the Regulation of AMP-activated Protein Kinase/Akt/mTOR and Mitogen-activated Protein Kinase Signaling Pathway in Human Hepatocellular Carcinoma Cells

Hong JY, Park SH, Park HJ, Lee SK

BACKGROUND: 15,16-dihydrotanshinone I (DHTS) is a natural abietane diterpenoid that is mainly found in the roots of Salvia miltiorrhiza Bunge (Labiatae). DHTS exhibits a potential anti-proliferative effect in various human...
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Quercetin Upregulates Uncoupling Protein 1 in White/Brown Adipose Tissues through Sympathetic Stimulation

Choi H, Kim CS, Yu R

BACKGROUND: Uncoupling protein 1 (UCP1) plays an important role in increasing energy expenditure; thus, it is being considered as a new target for preventing obesity and metabolic complications. In this...
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Compound K attenuates glucose intolerance and hepatic steatosis through AMPK-dependent pathways in type 2 diabetic OLETF rats

Hwang YC, Oh DH, Choi MC, Lee SY, Ahn KJ, Chung HY, Lim SJ, Chung SH, Jeong IK

BACKGROUND/AIMS: Non-alcoholic fatty liver disease is associated with insulin resistance. Compound K (CK) is the final metabolite of panaxadiol ginsenosides that have been shown to exert antidiabetic effects. However, the...
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Anti-hyperglycemic effects and signaling mechanism of Perilla frutescens sprout extract

Kim DH, Kim SJ, Yu KY, Jeong SI, Kim SY

BACKGROUND/OBJECTIVES: Perilla frutescens (L.) Britton var. (PF) sprout is a plant of the labiate family. We have previously reported the protective effects of PF sprout extract on cytokine-induced β-cell damage....
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The Improving Effect of HL271, a Chemical Derivative of Metformin, a Popular Drug for Type II Diabetes Mellitus, on Aging-induced Cognitive Decline

Bang E, Lee B, Park JO, Jang Y, Kim A, Kim S, Shin HS

In recent years, as the aging population grows, aging-induced cognitive impairments including dementia and Alzheimer's disease (AD) have become the biggest challenges for global public health and social care. Therefore,...
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Red pepper seed water extract inhibits preadipocyte differentiation and induces mature adipocyte apoptosis in 3T3-L1 cells

Kim HJ, You MK, Lee YH, Kim HJ, Adhikari D, Kim HA

BACKGROUND/OBJECTIVES: Reducing the number of adipocytes by inducing apoptosis of mature adipocytes as well as suppressing differentiation of preadipocytes plays an important role in preventing obesity. This study examines the...
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Quercetin induces cell death in cervical cancer by reducing O-GlcNAcylation of adenosine monophosphate-activated protein kinase

Ali A, Kim MJ, Kim MY, Lee HJ, Roh GS, Kim HJ, Cho GJ, Choi WS

Hyper-O-GlcNAcylation is a general feature of cancer which contributes to various cancer phenotypes, including cell proliferation and cell growth. Quercetin, a naturally occurring dietary flavonoid, has been reported to reduce...
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High-Dose Metformin Plus Temozolomide Shows Increased Anti-tumor Effects in Glioblastoma In Vitro and In vivo Compared with Monotherapy

Lee JE, Lim JH, Hong YK, Yang SH

PURPOSE: The purpose of the study is to investigate the efficacy of combined treatment with temozolomide (TMZ) and metformin for glioblastoma (GBM) in Vitro and in vivo. MATERIALS AND METHODS: We...
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The Novel Neuroprotective Compound KMS99220 Has an Early Anti-neuroinflammatory Effect via AMPK and HO-1, Independent of Nrf2

Lee JA, Kim HR, Kim J, Park KD, Kim DJ, Hwang O

We have previously reported a novel synthetic compound KMS99220 that prevented degeneration of the nigral dopaminergic neurons and the associated motor deficits, suggesting a neuroprotective therapeutic utility for Parkinson's disease....
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