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논문 기본 정보

자료유형
학술저널
저자정보
저널정보
대한간학회 Clinical and Molecular Hepatology Clinical and Molecular Hepatology 제20권 제1호
발행연도
2014.1
수록면
28 - 37 (10page)

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Background/Aims: The role of prostaglandin E2 (PGE2) in the modulation of cell growth is well established incolorectal cancer. The aim of this study was to elucidate the significance of 15-hydroxyprostaglandin dehydrogenase(15-PGDH) down-regulation on the prognosis of hepatocellular carcinoma (HCC) patients. Methods: The expression of 15-PGDH in HCC cell lines and resected HCC tissues was investigated, and the correlationbetween 15-PGDH expression and HCC cell-line proliferation and patient survival was explored. Results: The interleukin-1-β-induced suppression of 15-PGDH did not change the proliferation of PLC and Huh-7cells in the MTS [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide] assay. The induction of 15-PGDH bytransfection in HepG2 cells without baseline 15-PGDH expression was suppressed at day 2 of proliferation comparedwith empty-vector transfection, but there was no difference at day 3. Among the 153 patients who received curativeHCC resection between 2003 and 2004 at our institution, 15-PGDH expression was observed in resected HCC tissues in56 (36.6%), but the 5-year survival rate did not differ from that of the remaining 97 non-15-PGDH-expressing patients(57.1% vs 59.8%; P=0.93). Among 50 patients who exhibited baseline 15-PGDH expression in adjacent nontumor livertissues, 28 (56%) exhibited a reduction in 15-PGDH expression score in HCC tissues, and there was a trend towardfewer long-term survivors compared with the remaining 22 with the same or increment in their 15-PGDH expressionscore in HCC tissues. Conclusions: The prognostic significance of 15-PGDH down-regulation in HCC was not established in this study. However, maintenance of 15-PGDH expression could be a potential therapeutic target for a subgroup of HCC patientswith baseline 15-PGDH expression in adjacent nontumor liver tissue.
#Hepatocellular carcinoma #15-hydroxyprostaglandin dehydrogenase #Transfection #Immunohistochemistry #Survival analysis

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참고문헌 (25)

참고문헌 신청
Abiru S / 2002 / Aspirin and NS-398 inhibit hepatocyte growth factor-induced invasiveness of human hepatoma cells / Hepatology 35 : 1117 ~ 1124 google schola Backlund MG / 2005 / 15-Hydroxyprostaglandin dehydrogenase is down-regulated in colorectal cancer / J Biol Chem 280 : 3217 ~ 3223 google schola Bresalier RS / 2005 / Cardiovascular events associated with rofecoxib in a colorectal adenoma chemoprevention trial / N Engl J Med 352 : 1092 ~ 1102 google schola Casado M / 2001 / Contribution of cyclooxygenase 2 to liver regeneration after partial hepatectomy / FASEB J 15 : 2016 ~ 2018 google schola Castro-Sanchez L / 2013 / Regulation of 15-hydroxyprostaglandin dehydrogenase expression in hepatocellular carcinoma / Int J Biochem Cell Biol 45 : 2501 ~ 2511 google schola

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