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Metabolomics profiling of visceral and abdominal subcutaneous adipose tissue in colorectal cancer patients: results from the ColoCare study.
Cancer Causes & Control ( IF 2.3 ) Pub Date : 2020-05-19 , DOI: 10.1007/s10552-020-01312-1
Jennifer Ose 1, 2 , Andreana N Holowatyj 1, 2 , Johanna Nattenmüller 3 , Biljana Gigic 4 , Tengda Lin 1 , Caroline Himbert 1, 2 , Nina Habermann 5 , David Achaintre 6 , Augustin Scalbert 6 , Pekka Keski-Rahkonen 6 , Jürgen Böhm 1 , Petra Schrotz-King 7 , Martin Schneider 4 , Alexis Ulrich 4 , Ellen Kampman 8 , Matty Weijenberg 9 , Andrea Gsur 10 , Per-Magne Ueland 11 , Hans-Ulrich Kauczor 3 , Cornelia M Ulrich 1, 2
Affiliation  

PURPOSE Underlying mechanisms of the relationship between body fatness and colorectal cancer remain unclear. This study investigated associations of circulating metabolites with visceral (VFA), abdominal subcutaneous (SFA), and total fat area (TFA) in colorectal cancer patients. METHODS Pre-surgery plasma samples from 212 patients (stage I-IV) from the ColoCare Study were used to perform targeted metabolomics. VFA, SFA, and TFA were quantified by computed tomography scans. Partial correlation and linear regression analyses of VFA, SFA, and TFA with metabolites were computed and corrected for multiple testing. Cox proportional hazards were used to assess 2-year survival. RESULTS In patients with metastatic tumors, SFA and TFA were statistically significantly inversely associated with 16 glycerophospholipids (SFA: pFDR range 0.017-0.049; TFA: pFDR range 0.029-0.048), while VFA was not. Doubling of ten of the aforementioned glycerophospholipids was associated with increased risk of death in patients with metastatic tumors, but not in patients with non-metastatic tumors (phet range: 0.00044-0.049). Doubling of PC ae C34:0 was associated with ninefold increased risk of death in metastatic tumors (Hazard Ratio [HR], 9.05; 95% confidence interval [CI] 2.17-37.80); an inverse association was observed in non-metastatic tumors (HR 0.17; 95% CI 0.04-0.87; phet = 0.00044). CONCLUSION These data provide initial evidence that glycerophospholipids in metastatic colorectal cancer are uniquely associated with subcutaneous adiposity, and may impact overall survival.

中文翻译:

大肠癌患者内脏和腹部皮下脂肪组织的代谢组学分析:ColoCare研究的结果。

目的体内脂肪与结直肠癌之间关系的潜在机制仍不清楚。这项研究调查了循环代谢产物与大肠癌患者内脏(VFA),腹部皮下(SFA)和总脂肪面积(TFA)的关联。方法采用ColoCare研究的212名患者的手术前血浆样品(I-IV期)进行靶向代谢组学研究。VFA,SFA和TFA通过计算机断层扫描进行定量。对VFA,SFA和TFA及其代谢物的偏相关和线性回归分析进行了计算并进行了多次测试校正。考克斯比例风险用于评估2年生存率。结果在转移性肿瘤患者中,SFA和TFA与16种甘油磷脂在统计学上呈显着负相关(SFA:pFDR范围为0.017-0.049; TFA:pFDR范围是0.029-0.048),而VFA则不是。在转移性肿瘤患者中,将上述十种甘油磷脂加倍与死亡风险增加相关,而在非转移性肿瘤患者中则无相关性(死亡范围:0.00044-0.049)。PC ae C34:0加倍与转移肿瘤死亡风险增加九倍相关(危险比[HR],9.05; 95%置信区间[CI] 2.17-37.80);在非转移性肿瘤中观察到负相关(HR 0.17; 95%CI 0.04-0.87; phet = 0.00044)。结论这些数据提供了转移性结直肠癌中甘油磷脂与皮下脂肪的独特联系,并可能影响总体生存率的初步证据。在转移性肿瘤患者中,将上述十种甘油磷脂加倍与死亡风险增加相关,而在非转移性肿瘤患者中则无相关性(死亡范围:0.00044-0.049)。PC ae C34:0加倍与转移肿瘤死亡风险增加九倍相关(危险比[HR],9.05; 95%置信区间[CI] 2.17-37.80);在非转移性肿瘤中观察到负相关(HR 0.17; 95%CI 0.04-0.87; phet = 0.00044)。结论这些数据提供了转移性结直肠癌中甘油磷脂与皮下脂肪的独特联系,并可能影响总体生存率的初步证据。在转移性肿瘤患者中,将上述十种甘油磷脂加倍与死亡风险增加相关,而在非转移性肿瘤患者中则无相关性(死亡范围:0.00044-0.049)。PC ae C34:0加倍与转移肿瘤死亡风险增加九倍相关(危险比[HR],9.05; 95%置信区间[CI] 2.17-37.80);在非转移性肿瘤中观察到负相关(HR 0.17; 95%CI 0.04-0.87; phet = 0.00044)。结论这些数据提供了转移性结直肠癌中甘油磷脂与皮下脂肪的独特联系,并可能影响总体生存率的初步证据。0与转移性肿瘤死亡风险增加九倍相关(危险比[HR],9.05; 95%置信区间[CI] 2.17-37.80);在非转移性肿瘤中观察到负相关(HR 0.17; 95%CI 0.04-0.87; phet = 0.00044)。结论这些数据提供了转移性结直肠癌中甘油磷脂与皮下脂肪的独特联系,并可能影响总体生存率的初步证据。0与转移性肿瘤死亡风险增加九倍相关(危险比[HR],9.05; 95%置信区间[CI] 2.17-37.80);在非转移性肿瘤中观察到负相关(HR 0.17; 95%CI 0.04-0.87; phet = 0.00044)。结论这些数据提供了转移性结直肠癌中甘油磷脂与皮下脂肪的独特联系,并可能影响总体生存率的初步证据。
更新日期:2020-05-19
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