PMID- 22989852 OWN - NLM STAT- MEDLINE DCOM- 20130517 LR - 20220318 IS - 1873-3492 (Electronic) IS - 0009-8981 (Linking) VI - 414 DP - 2012 Dec 24 TI - Small dense LDL: An emerging risk factor for cardiovascular disease. PG - 215-24 LID - S0009-8981(12)00445-7 [pii] LID - 10.1016/j.cca.2012.09.010 [doi] AB - Although low-density lipoprotein cholesterol (LDL-C) is a strong risk factor for coronary artery disease (CAD), LDL-C levels are not always elevated in CAD patients. LDL consists of several subclasses with distinct sizes, densities, and physicochemical compositions. Thus, LDL subclasses can be separated by various laboratory procedures. Among them, ultracentrifugation and electrophoresis have been used most frequently for determining LDL subclasses. Accumulating evidence has shown that a predominance of small dense LDL (sd-LDL) is closely associated with CAD. Moreover, sd-LDL-cholesterol (sd-LDL-C) concentrations are elevated in groups at a high risk for CAD, such as patients with type 2 diabetes and metabolic syndrome. Therefore, sd-LDL concentration is recognized as a surrogate marker for CAD. However, some studies failed to show therapeutic modulation of sd-LDL, likely because separating methods and sd-LDL particle definitions have not yet been standardized. Recently, a detergent-based homogenous assay for sd-LDL-C has been developed. This method does not require any pretreatment, and the measured values are highly reproducible with an automated analyzer. These features are suitable for large-scale clinical studies. This homogeneous assay is a useful tool for clarifying whether sd-LDL-C is a superior marker to LDL-C, and whether sd-LDL-C lipid-lowering therapies decrease the incidence of CAD. CI - Copyright (c) 2012 Elsevier B.V. All rights reserved. FAU - Hirayama, Satoshi AU - Hirayama S AD - Department of Clinical Laboratory Medicine, Juntendo University Graduate School of Medicine, Hongo 2-1-1, Bunkyo-ku, Tokyo 113-8421, Japan. sthiraya@juntendo.ac.jp FAU - Miida, Takashi AU - Miida T LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Review DEP - 20120916 PL - Netherlands TA - Clin Chim Acta JT - Clinica chimica acta; international journal of clinical chemistry JID - 1302422 RN - 0 (Biomarkers) RN - 0 (Cholesterol, LDL) SB - IM MH - Animals MH - Biomarkers/blood/metabolism MH - Cardiovascular Diseases/*blood/metabolism/pathology MH - Cholesterol, LDL/*blood/metabolism MH - Humans MH - Risk Factors EDAT- 2012/09/20 06:00 MHDA- 2013/05/18 06:00 CRDT- 2012/09/20 06:00 PHST- 2012/06/05 00:00 [received] PHST- 2012/08/24 00:00 [revised] PHST- 2012/09/07 00:00 [accepted] PHST- 2012/09/20 06:00 [entrez] PHST- 2012/09/20 06:00 [pubmed] PHST- 2013/05/18 06:00 [medline] AID - S0009-8981(12)00445-7 [pii] AID - 10.1016/j.cca.2012.09.010 [doi] PST - ppublish SO - Clin Chim Acta. 2012 Dec 24;414:215-24. doi: 10.1016/j.cca.2012.09.010. Epub 2012 Sep 16.