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Heregulin-β1 Activates NF-E2-related Factor 2 and Induces Manganese Superoxide Dismutase Expression in Human Breast Cancer Cells via Protein Kinase B and Extracellular Signal-regulated Protein Kinase Signaling Pathways

Park JY, Saeidi S, Kim EH, Kim DH, Na HK, Keum JS, Surh YJ

Heregulin-β1, a ligand of ErbB-2 and ErbB-3/4 receptors, has been reported to potentiate oncogenicity and metastatic potential of breast cancer cells. In the present work, treatment of human mammary cancer...
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15-Deoxy-Δ12,14 -prostaglandin J2 Induces Epithelial-tomesenchymal Transition in Human Breast Cancer Cells and Promotes Fibroblast Activation

Choi 1 J, Suh JY, Kim DH, Na HK, Surh YJ

In inflammation-associated carcinogenesis, COX-2 is markedly overexpressed, resulting in accumulation of various prostaglandins. 15-deoxy-Δ 12,14 -prostaglandin J 2 (15d-PGJ2 ) is one of the terminal products of COX-2-catalyzed...
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15-Deoxy-Δ12,14-prostaglandin J2 Induces Apoptosis in Ha-ras-transformed Human Breast Epithelial Cells by Targeting IκB kinase–NF-κB Signaling

Na HK, Yang H, Surh YJ

15-Deoxy-Δ12,14-prostaglandin J2 (15d-PGJ2), an endogenous ligand for PPARγ, has differential effects on cancer cell proliferation and survival depending on the dose and the type of cells. In the present study, we...
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Effects of Genetic and Pharmacologic Inhibition of COX-2 on Colitis-associated Carcinogenesis in Mice

Lee JS, Kim HS, Hahm KB, Surh YJ

COX-2 has been inappropriately overexpressed in various human malignancies, and is considered as one of the representative targetsfor the chemoprevention of inflammation-associated cancer. In order to assess the role of...
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17β-Estradiol reduces inflammation and modulates antioxidant enzymes in colonic epithelial cells

Son HJ, Kim N, Song CH, Lee SM, Lee HN, Surh YJ

Background/Aims: Estrogen is known to have protective effect in colorectal cancer development. The aims of this study are to investigate whether estradiol treatment reduces inflammation in CCD841CoN, a female human...
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Interaction between Peptidyl-prolyl Cis-trans Isomerase NIMA-interacting 1 and GTP-H-Ras: Implications for Aggressiveness of Human Mammary Epithelial Cells and Drug Resistance

Saeidi S, Joo S, Kim SJ, Jagadeesh ASV, Surh YJ

Aberrant activation of Ras has been implicated in aggressiveness of breast cancer. Among Ras isoforms (H-, K-, and N-), H-Ras has been known to be primarily responsible for invasion and...
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Baicalein Inhibits Dextran Sulfate Sodium-induced Mouse Colitis

Zhong X, Surh YJ, Do SG, Shin E, Shim KS, Lee CK, Na HK

BACKGROUND: Baicalein is a bioactive flavone that is originally extracted from the root of Scutellaria baicalensis Georgi. This plant has long served as Chinese herbal medicine in the management of...
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Ajoene, a Major Organosulfide Found in Crushed Garlic, Induces NAD(P)H:quinone Oxidoreductase Expression Through Nuclear Factor E2-related Factor-2 Activation in Human Breast Epithelial Cells

Cho SJ, Ryu JH, Surh YJ

BACKGROUND: NAD(P)H:quinone oxidoreductase-1 (NQO1) is a widely-distributed flavin adenine dinucleotide-dependent flavoprotein that promotes obligatory 2-electron reductions of quinones, quinoneimines, nitroaromatics, and azo dyes. This reduces quinone levels and thereby minimizes...
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Effect of Estradiol in an Azoxymethane/Dextran Sulfate Sodium-Treated Mouse Model of Colorectal Cancer: Implication for Sex Difference in Colorectal Cancer Development

Son HJ, Sohn SH, Kim N, Lee HN, Lee SM, Nam RH, Park JH, Song CH, Shin E, Na HY, Kim JS, Lee DH, Surh YJ

PURPOSE: This study demonstrates that estradiol downregulates inflammation and inhibits colorectal cancer (CRC) development in azoxymethane/dextran sulfate sodium (AOM/DSS) mouse model. MATERIALS AND METHODS: AOM/DSS-treated male and female mice were sacrificed...
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Genistein Inhibits Proliferation of BRCA1 Mutated Breast Cancer Cells: The GPR30-Akt Axis as a Potential Target

Kim GY, Suh J, Jang JH, Kim DH, Park OJ, Park SK, Surh YJ

BACKGROUND: BRCA1 mutated breast cancer cells exhibit the elevated cell proliferation and the higher metastatic potential. G protein-coupled receptor 30 (GPR30) has been shown to regulate growth of hormonally responsive...
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Comparative Effects of Curcumin and Tetrahydrocurcumin on Dextran Sulfate Sodium-induced Colitis and Inflammatory Signaling in Mice

Yang JY, Zhong X, Kim SJ, Kim DH, Kim HS, Lee JS, Yum HW, Lee J, Na HK, Surh YJ

BACKGROUND: Curcumin, a yellow ingredient of turmeric (Curcuma longa Linn, Zingiberaceae), has long been used in traditional folk medicine in the management of inflammatory disorders. Although curcumin has been reported...
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Effects of 17β-Estradiol on Colonic Permeability and Inflammation in an Azoxymethane/Dextran Sulfate Sodium-Induced Colitis Mouse Model

Song CH, Kim N, Sohn SH, Lee SM, Nam RH, Na HY, Lee DH, Surh YJ

BACKGROUND/AIMS: Intestinal barrier dysfunction is a hallmark of inflammatory bowel diseases (IBDs) such as ulcerative colitis. This dysfunction is caused by increased permeability and the loss of tight junctions in...
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Açaí Berries Inhibit Colon Tumorigenesis in Azoxymethane/Dextran Sulfate Sodium-Treated Mice

Choi YJ, Choi YJ, Kim N, Nam RH, Lee S, Lee HS, Lee HN, Surh YJ, Lee DH

BACKGROUND/AIMS: The aim of this study was to investigate the protective effect of açaí against azoxymethane (AOM)/dextran sulfate sodium (DSS)-induced colorectal cancer development. METHODS: The effect of açaí on tumorigenesis was...
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Resveratrol Inhibits IL-6-Induced Transcriptional Activity of AR and STAT3 in Human Prostate Cancer LNCaP-FGC Cells

Lee MH, Kundu JK, Keum YS, Cho YY, Surh YJ, Choi BY

Prostate cancer is the most frequently diagnosed cancer. Although prostate tumors respond to androgen ablation therapy at an early stage, they often acquire the potential of androgen-independent growth. Elevated transcriptional...
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Neurotoxic Effects of Tetrahydroisoquinolines and Underlying Mechanisms

Surh YJ, Kim HJ

Tetrahydropapaveroline (THP), a neurotoxic tetrahydroisoquinoline alkaloid formed by condensation between dopamine and dopaldehyde, has been speculated to cause Parkinson's disease and also to contribute to alcohol dependence. Having two catechol...
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Inhibition of Phorbol Ester-induced Mouse Skin Tumor Promotion and COX-2 Expression by Celecoxib: C/EBP as a Potential Molecular Target

Chun KS, Kundu JK, Park KK, Chung WY, Surh YJ

  • KMID: 2166060
  • Cancer Res Treat.
  • 2006 Jun;38(3):152-158.
PURPOSE: Inflammation acts as a driving force for the development of cancer. Multiple lines of evidence suggest that nonsteroidal anti-inflammatory drugs, especially those that specifically target cyclooxygenase-2 (COX-2), are effective...
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Crossroad between inflammation and carcinogenesis in colon

Yeo M, Surh YJ, Hahm KB

  • KMID: 2081186
  • Korean J Med.
  • 2006 Feb;70(2):130-137.
Current evidences have expended the concept that chronic inflammation might play a crucial role in the development and progression of colorectal cancer. For instance, chronic ulcerative colitis (UC) is associated...
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Transcription Factors in the Cellular Signaling Network as Prime Targets of Chemopreventive Phytochemicals

Surh YJ

  • KMID: 1804561
  • Cancer Res Treat.
  • 2004 Oct;36(5):275-286.
Accumulating evidence from epidemiologic and laboratory studies support an inverse relationship between a regular consumption of fruits and vegetables and the risk of specific cancers. Numerous phytochemicals derived from edible...
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Molecular Mechanisms Underlying Anti-Tumor Promoting Activities of Heat-Processed Panax ginseng C.A. Meyer

Surh YJ, Na HK, Lee JY, Keum YS

Recently, there have been considerable efforts to search for naturally occurring substances that can inhibit, reverse, or retard the multi-stage carcinogenesis. A wide array of phenolic substances derived from edible...
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