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  • Title: Remnant-like particle cholesterol may indicate atherogenic risk in patients on chronic hemodialysis.
    Author: Oda H, Yorioka N, Okushin S, Nishida Y, Kushihata S, Ito T, Yamakido M.
    Journal: Nephron; 1997; 76(1):7-14. PubMed ID: 9171293.
    Abstract:
    Recently, involvement of remnant-like particle cholesterol (RLP-C) in atherosclerosis was reported, but this parameter has not been adequately investigated in hemodialysis (HD) patients. The present study investigated the relationship between the RLP-C level and total cholesterol (TC), triglycerides (TG), low density lipoprotein cholesterol (LDL-C), high density lipoprotein cholesterol (HDL-C), lipid peroxides (malone dialdehyde, MDA), apolipoprotein (Apo) A-I, and ApoB. In addition, the fractions of very low density lipoprotein (VLDL), intermediate density lipoprotein (IDL), LDL, and HDL in serum lipoproteins were determined by disk polyacrylamide gel electrophoresis. The relationship between the RLP-C level and three atherogenic indices was also studied. The RLP-C level in HD patients (8.2 +/- 6.7 mg/dl) was significantly higher than that in normal controls (2.7 +/- 1.3 mg/dl). The RLP-C level showed a significant positive correlation with the levels of TC, TG, LDL-C, MDA, ApoB, VLDL(%), and IDL(%), as well as a negative correlation with HDL(%). However, there was no correlation with age or the duration of HD. RLP-C also showed significant positive correlations with the (TC -HDL-C)/HDL-C ratio and the (VLDL + LDL)/HDL ratio, as well as a negative correlation with the ApoA-I/ApoB ratio. These results suggest that RLP-C may be a potential indicator of atherogenic risk in HD patients.
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