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目的:探讨脂质(甘油三酯、总胆固醇)和脂蛋白(高密度脂蛋白胆固醇、低密度脂蛋白胆固醇)在癌形成中的作用。方法:测定56例癌症患者和27例健康对照血清甘油三酯(TG)、总胆固醇(TC)、高密度脂蛋白胆固醇(HDL-C)、低密度脂蛋白胆固醇(LDL-C)和脂质过氧化终末产物丙二醛(MDA,以此作为脂质过氧化程度标志)浓度。结果:癌症患者TG、TC、LDL-C明显高于对照组,P值均<0.01,同时伴HDL-C(P=0.000)下降。但胃癌患者HDL-C(P=0.085)和结肠癌患者TG(P=0.655)与健康对照无差异。脂质过氧化产物MDA癌症组明显高于对照组(P=0.000),且各癌肿均比对照组高。结论:脂质和脂蛋白可能在癌症形成过程中起着重要作用。
Objective: To investigate the role of lipids (triglycerides, total cholesterol) and lipoproteins (high density lipoprotein cholesterol, low density lipoprotein cholesterol) in carcinogenesis. Methods: Serum levels of triglyceride (TG), total cholesterol (TC), high density lipoprotein cholesterol (HDL-C), low density lipoprotein cholesterol (LDL-C) and lipids in 56 cancer patients and 27 healthy controls were measured. Malondialdehyde (MDA, a marker of the degree of lipid peroxidation) as a final peroxide product. Results: The levels of TG, TC and LDL-C in cancer patients were significantly higher than those in the control group (P <0.01), accompanied by the decrease of HDL-C (P = 0.000) However, HDL-C (P = 0.085) in gastric cancer patients and TG (P = 0.655) in colon cancer patients were not different from those in healthy controls. The lipid peroxidation product of MDA cancer group was significantly higher than that of the control group (P = 0.000), and each cancer was higher than the control group. Conclusion: Lipids and lipoproteins may play an important role in the development of cancer.