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Microsatellite Instability of Gastric and Colorectal Cancers as a Predictor of Synchronous Gastric or Colorectal Neoplasms

Kim YB, Lee SY, Kim JH, Sung IK, Park HS, Shim CS, Han HS

BACKGROUND/AIMS: Microsatellite instability (MSI) plays a crucial role in gastrointestinal carcinogenesis. The aim of this study was to clarify whether MSI is a useful marker for predicting synchronous gastric and...
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Characterization of Mutator Pathway in Younger-age-onset Colorectal Adenocarcinomas

Roh SA, Kim HC, Kim JS, Kim JC

The high-frequency microsatellite instability (MSI-H) phenotype, frequently identified in hereditary nonpolyposis colorectal cancer (HNPCC), also accounts for approximately 15% of sporadic colorectal cancers. Microsatellite instability (MSI) occurs from the mutational...
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Prognostic Significance of CpG Island Methylator Phenotype in Colorectal Cancer

Joo YE

No abstract available.
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Expression of Melanoma Antigen-Encoding Genes (MAGE) by Common Primers for MAGE-A1 to -A6 in Colorectal Carcinomas Among Koreans

Park MS, Park JW, Jeon CH, Lee KD, Chang HK

This study was to investigate Melanoma-antigen gene (MAGE) expression by reverse transcription-nested polymerase chain reaction (RT-nested PCR) with the original common primers of MAGE-A1 to -A6 and analysis of correlation...
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Clinicopathological Characteristics of Colorectal Cancer with Family History: an Evaluation of Family History as a Predictive Factor for Microsatellite Instability

Park IJ, Kim HC, Yoon YS, Yu CS, Jang SJ, Kim JC

To determine whether family history of cancer may be a risk factor for the mutator phenotype in colorectal cancer, we recruited 143 consecutive colorectal cancer patients with a family history...
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Estradiol regulates miR-135b and mismatch repair gene expressions via estrogen receptor-beta in colorectal cells

He YQ, Sheng JQ, Ling XL, Fu L, Jin P, Yen L, Rao J

  • KMID: 1402316
  • Exp Mol Med.
  • 2012 Dec;44(12):723-732.
Estrogen has anti-colorectal cancer effects which are thought to be mediated by mismatch repair gene (MMR) activity. Estrogen receptor (ER) expression is associated with microRNA (miRNA) expression in ER-positive tumors....
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Lack of Aberrant Methylation in an Adjacent Area of Left-Sided Colorectal Cancer

Sambuudash O, Kim HS, Cho MY

PURPOSE: The molecular nature and the rate-limiting step of epigenetic field defects in the evolution of left-sided colorectal cancer (LCA) remain uncertain. MATERIALS AND METHODS: The methylation status of 27 candidate...
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Impact of Interleukin-10 Gene Polymorphisms on Survival in Patients with Colorectal Cancer

Ting WC, Chen LM, Huang LC, Hour MJ, Lan YH, Lee HZ, You BJ, Chang TY, Bao BY

Chronic inflammation is thought to be the leading cause of colorectal cancer, and interleukin-10 (IL10) has been identified as a potent immunomodulatory cytokine that regulates inflammatory responses in the gastrointestinal...
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Clinical Implications of Microsatellite Instability in T1 Colorectal Cancer

Kang J, Lee HW, Kim IK, Kim NK, Sohn SK, Lee KY

PURPOSE: The estimation of regional lymph node metastasis (LNM) risk in T1 colorectal cancer is based on histologic examination and imaging of the primary tumor. High-frequency microsatellite instability (MSI-H) is...
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Cyclooxygenase-2 Polymorphisms and Susceptibility to Colorectal Cancer: A Meta-Analysis

Wang J, Guo X, Zhang J, Song J, Ji M, Yu S, Wang J, Cao Z, Dong W

PURPOSE: Four polymorphisms, -765G>C, -1195G>A, 8473T>C, and Val511Ala, in the cyclooxygenase-2 (COX-2) gene were identified to be associated with colorectal cancer (CRC) risk. However, the results are inconsistent. The objective...
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In vivo Recombinant Adenovirus-mediated p53 Gene Therapy in a Syngeneic Rat Model for Colorectal Cancer

Baek JH, Agarwal ML, Tubbs RR, Vladisavljevic A, Tomita H, Bukowski R, Milsom JW, Kim JM, Kwak JY

The p53 gene has a significant role in controlling genomic stability of cancer. The purpose of this study was to evaluate the tumor response of allograft colorectal tumor treated with...
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Loss of Heterozygosity and PCR Artifacts in a Microsatellite Analysis of Psoriasis and Colorectal Cancer

Hyun JS, Jo BK, Park CJ, Yi JY, Lee JY, Rhyu MG

Although a loss of heterozygosity (LOH) is commonly observed using microsatellite markers in a cell-proliferating malignant disorder, controversial findings of psoriasis, a keratinocyte-outgrowth disease, remain to be explained. It...
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Is C3435T Polymorphism of MDR1 Related to Inflammatory Bowel Disease or Colorectal Cancer in Korean?

Lee BI, Choi KY, Lee KM, Chung WC, Kim BW, Choi H, Cho SH, Kang HJ, Lee JS, Kim MS, Chae HS, Chun IS

  • KMID: 1079900
  • Korean J Gastroenterol.
  • 2006 Jan;47(1):22-29.
BACKGROUND/AIMS: Multidrug resistance 1 (MDR1) gene encodes P-glycoprotein in intestinal epithelium, which serves as a transmembrane efflux pump of various toxins. mdr1 knockout mice develop spontaneous colitis under specific...
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Quantitative Analysis of Cancer-associated Gene Methylation Connected to Risk Factors in Korean Colorectal Cancer Patients

Kang HJ, Kim EJ, Kim BG, You CH, Lee SY, Kim DI, Hong YS

OBJECTIVES: The purpose of this paper was to elucidate the potential methylation levels of adjacent normal and cancer tissues by comparing them with normal colorectal tissues, and to describe the...
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Clinicopathologic Impacts of Poorly Differentiated Cluster-Based Grading System in Colorectal Carcinoma

Kim JW, Shin MK, Kim BC

Differentiation-based histologic grading of colorectal carcinoma (CRC) is widely used, but its clinical impact is limited by insufficient prognostic value, interobserver disagreement, and the difficulty of its application to CRC...
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Is Immunohistochemistry for MLH1 and MSH2 Proteins a Useful Method for Detection of Microsatellite Instability in Sporadic Colorectal Cancer?

Do JH, Chang SK, Ahnn JY, Cha BK, Cheong SM, Kim DW, Cheong HR, Kim HJ, Kim JG, Lee TJ, Park ES, Park SM

  • KMID: 1112187
  • Korean J Gastroenterol.
  • 2003 Nov;42(5):369-376.
BACKGROUND/AIMS: In order to identify microsatellite instability (MSI), the test based on the polymerase chain reaction (PCR) can be used. However, PCR is not routinely performed in all hospital...
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The Role of the CpG Island Methylator Phenotype on Survival Outcome in Colon Cancer

Kang KJ, Min BH, Ryu KJ, Kim KM, Chang DK, Kim JJ, Rhee JC, Kim YH

BACKGROUND/AIMS: CpG island methylator phenotype (CIMP)- high colorectal cancers (CRCs) have distinct clinicopathological features from their CIMP-low/negative CRC counterparts. However, controversy exists regarding the prognosis of CRC according to the...
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