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Rho-Kinase as a Therapeutic Target for Nonalcoholic Fatty Liver Diseases

Sousa-Lima I, Kim HJ, Jones J, Kim YB

Nonalcoholic fatty liver disease (NAFLD) is a major public health problem and the most common form of chronic liver disease, affecting 25% of the global population. Although NAFLD is closely...
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Differences in Body Weight, Dietary Efficiency, Brain Obesity Control Factor (AMPK), Reactive Oxygen Species (MDA), and Antioxidant Enzymes (SOD) in Young Mice According to the Intensity of Aerobic Exercise for 8 Weeks

Jeon MY

Purpose: The goal of this study was to see how different aerobic exercise intensities affected AMP-activated protein kinase (AMPK), reactive oxygen, and antioxidant enzymes in young mice during an 8-week...
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Hypoxia-Induced Suppression of Antiapoptotic Bcl-2 Expression in Human Bladder Tumor Cells Is Regulated by Caveolin-1-Dependent Adenosine Monophosphate-Activated Protein Kinase Activity

Cho TJ, Lee DH, Choi BH, Shinn HK, Park CS

Purpose: Adenosine monophosphate-activated protein kinase (AMPK) is thought to inhibit cell proliferation or promote cell death, but the details remain unclear. In this study, we propose that AMPK inhibits the...
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Zingerone Attenuates Pi-induced Vascular Calcification via AMPK-mediated TIMP4 Expression

Lim YJ, Min HY, Jang WG

Objective: Vascular calcification requires the differentiation of vascular smooth muscle cells (VSMCs) into osteoblast-like cells. This phenomenon can be enhanced by inflammation and oxidative stress. Zingerone is one of the...
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Folic acid supplementation prevents high fructose-induced non-alcoholic fatty liver disease by activating the AMPK and LKB1 signaling pathways

Kim H, Min H

BACKGROUND/OBJECTIVES: The present study aimed to evaluate the effects of folic acid supplementation in high-fructose-induced hepatic steatosis and clarify the underlying mechanism of folic acid supplementation. MATERIALS/METHODS: Male SD rats were...
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Therapeutic Effects of Fibroblast Growth Factor-21 on Diabetic Nephropathy and the Possible Mechanism in Type 1 Diabetes Mellitus Mice

Weng W, Ge T, Wang Y, He L, Liu T, Wang W, Zheng Z, Yu L, Zhang C, Lu X

BackgroundFibroblast growth factor 21 (FGF21) has been only reported to prevent type 1 diabetic nephropathy (DN) in the streptozotocin-induced type 1 diabetes mellitus (T1DM) mouse model. However, the FVB (Cg)-Tg...
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Cereblon Deletion Ameliorates Lipopolysaccharide-induced Proinflammatory Cytokines through 5′-Adenosine Monophosphate-Activated Protein Kinase/Heme Oxygenase-1 Activation in ARPE-19 Cells

Kim YK, Chae SC, Yang HJ, An DE, Lee S, Yeo MG, Lee KJ

Cereblon (CRBN), a negative modulator of AMP-activated protein kinase (AMPK), is highly expressed in the retina. We confirmed the expression of CRBN in ARPE-19 human retinal cells by Western blotting....
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Artemisia annua extract ameliorates high-fat diet-induced fatty liver by activating AMPK

Park SJ, Choi CY, Jeong JC, Lee RK, Hwang YP

Non-alcoholic fatty liver disease (NAFLD) is emerging as the most common liver disease in industrialized countries. Recently, natural compounds that may be beneficial for improving NAFLD have received increasing attention....
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Induction of cytoprotective autophagy by morusin via AMP-activated protein kinase activation in human non-small cell lung cancer cells

Park HJ, Park SH

BACKGROUND/OBJECTIVES: Morusin, a marker component of Morus alba L., possesses anticancer activity. The objective of this study was to determine autophagy-inducing effect of morusin in non-small cell lung cancer (NSCLC)...
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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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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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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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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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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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Diarylbutane-type Lignans from Myristica fragrans (Nutmeg) show the Cytotoxicity against Breast Cancer Cells through Activation of AMP-activated Protein Kinase

Le TV, Nguyen PH, Choi HS, Yang JL, Kang KW, Ahn SG, Oh WK

In our program to search for new AMP-activated protein kinase (AMPK) activators from plants that exert potential anticancer property, we found that an EtOAc extract of Myristica fragrans (nutmeg) activated...
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Rebound Feeding in the Wake of Short-Term Suspension of Food Intake Differs in the Presence of Estrous Cycle Peak versus Nadir Levels of Estradiol

Shakya M, Briski KP

BACKGROUND: Short-term interruption of feeding is ordinary in modern life but negatively impacts appetite control and body weight. Estradiol (E) imposes long-term inhibitory tonus on food consumption; however, E influence...
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New therapeutic agents in diabetic nephropathy

Kim Y, Park CW

Studies investigating diabetic nephropathy (DN) have mostly focused on interpreting the pathologic molecular mechanisms of DN, which may provide valuable tools for early diagnosis and prevention of disease onset and...
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