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Immunoturbidimetric Method for Routine Determinations of Apolipoproteins A-I and B pp.1076-1077
Published Date 1991/11/1
DOI https://doi.org/10.11477/mf.1543900876
  • Abstract

 Clinical interest in measuring apolipoproteins has grown after the recognition of their physiological importance and utility in assessing an individual's atherosclerotic risk. Some studies suggest that apolipoprotein (apo) A-I and apo B-the major proteins of high-density lipoproteins (HDL) and low-density lipoproteins (LDL), respectively-are better blood markers for coronary heart disease than are the traditional lipid markers (total cholesterol, LDL cholesterol, HDL cholesterol, and triglycerides). Some authors today consider the apo A-I/ apo B ratio an even more effective indicator than the individual apolipoproteins.

 To favor the extension of apo A-I and apo B assays from researchor specialized centers to routine clinical laboratories, we developed animmunoturbidimetric method that is simple to use, yet reliable. Basedon the formation of immunocomplexes in the presence of PolyethyleneGlycol 6000, it overcomes many of the technical drawbacks shown byother methods, such as long incubation times and the need for specialequipment and skilled personnel. Like other methods we have described, this assay also is particularly suited to routine work: the testtime is short (10-20 min for manual assays and 5 min for fullyautomated assays); no sample blank is needed, even for grosslylipemic samples; the measurement range is broad (from~0.2 to 3.5 g/L for both apolipoproteins); and automation is easy. Here wedescribe characteristics and performances of this methods.


Copyright © 1991, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1375 印刷版ISSN 0301-2611 医学書院

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