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Pre-diagnostic levels of adiponectin and soluble vascular cell adhesion molecule-1 are associated with colorectal cancer risk

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World Journal of Gastroenterology 2012年第22期18卷 2805-2812页

作者： Mathilde Touvier Léopold Fezeu Namanjeet Ahluwalia Chantal Julia nathalie charnaux Angela Sutton Caroline Méjean Paule Latino-Martel Serge Hercberg Pilar Galan Sébastien Czernichow INSERM U577(National Institute of Health and Medical Research) Inra Cnam University of Paris 13 (UREN) SMBH 74 rue Marcel Cachin F-93017 Bobigny France Department of Biochemistry Jean Verdier Hospital F-93140 Bondy France INSERM U698 University of Paris 13 F-93017 Bobigny France Department of Public Health Avicenne Hospital (AP-HP) University of Paris 13 F-93017 Bobigny France Department of Nutrition Ambroise Paré Hospital (AP-HP) University of Versailles Saint Quentin F-92100 Boulogne-Billancourt France

AIM: To examine the relationships between pre-diagnostic biomarkers and colorectal cancer risk and assess their relevance in predictive ***: A nested case-control study was designed to include all first primary incident colorectal cancer cases diagnosed between inclusion in the SUpplémentation en VItamines et Minéraux AntioXydants cohort in 1994 and the end of follow-up in 2007. Cases (n = 50) were matched with two randomly selected controls (n = 100). Conditional logistic regression models were used to investigate the associations between pre-diagnostic levels of hs-CRP, adiponectin, leptin, soluble vascular cell adhesion molecule-1 (sVCAM-1), soluble intercellular adhesion molecule-1, E-selectin, monocyte chemoattractant protein-1 and colorectal cancer risk. Area under the receiver operating curves (AUC) and relative integrated discrimination improvement (RIDI) statistics were used to assess the discriminatory potential of the models. RESULTS: Plasma adiponectin level was associated with decreased colorectal cancer risk (P for linear trend = 0.03). Quartiles of sVCAM-1 were associated with increased colorectal cancer risk (P for linear trend = 0.02). No association was observed with any of the other biomarkers. Compared to standard models with known risk factors, those including both adiponectin and sVCAM-1 had substantially improved performance for colorectal cancer risk prediction (P for AUC improvement = 0.01, RIDI = 26.5%). CONCLUSION: These results suggest that pre-diagnostic plasma adiponectin and sVCAM-1 levels are associated with decreased and increased colorectal cancer risk, respectively. These relationships must be confirmed in large validation studies.

关键词：细胞粘附分子危险因素大肠癌脂联素可溶性诊断断水 Logistic回归模型

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Chemokine system polymorphisms, survival and hepatocellular carcinoma occurrence in patients with hepatitis C virus-related cirrhosis

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World Journal of Gastroenterology 2008年第5期14卷 713-719页

作者： Pierre Nahon Angela Sutton Pierre Rufat Chantal Simon Jean-Claude Trinchet Liliane Gattegno Michel Beaugrand nathalie charnaux Department of Hepatology Jean Verdier Hospital (AP-HP) Bondy 93140 France Department of Biochemistry Jean Verdier Hospital (AP-HP) Bondy 93140 France Department of Public Health Pitié-Salpetrière Hospital (AP-HP) Paris 75013 France

AIM:To explore the influence of polymorphisms in genes encoding for the chemokines Stromal cell-Derived Factor-1 (SDF-1)/CXCL12 and Monocyte Chemotactic Protein-1 (MCP-1)/CCL2 , or for the chemokine receptor CCR5 on the risks of liver-related death and hepatocellular carcinoma (HCC) occurrence in hepatitis C virus (HCV)-infected patients. METHODS:SDF-1 3'A, MCP-1 (-2518) and CCR5-32 polymorphisms, SDF-1α, Regulated upon Activation Normal T cells Expressed and Secreted (RANTES)/CCL5 and MCP-1 serum levels were determined in 120 HCV-infected patients, included at time of cirrhosis diagnosis and prospectively followed-up. RESULTS:During follow-up, 23/120 (19.1%) patients died and 47/120 (39.1%) developed HCC. Carriers and noncarriers of each genetic marker had similar baseline characteristics estimating the severity of liver disease. The occurrence of death or HCC during follow-up was similar among carriers and noncarriers of each polymorphism. There was no association between the carriage of mutated alleles and chemokine serum levels and the latter were not associated with the risks of death or HCC. CONCLUSION:This study suggests the lack of association of SDF-1 3'A , MCP-1 (-2518) , CCR5-32 polymorphisms with death and HCC occurrence in cirrhotic HCV-infected patients.

关键词：多态现象丙肝肝硬化患者

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