Abstract:
BACKGROUND:The putative association between the novel oxidized low-density lipoprotein markers, serum amyloid A-LDL (SAA-LDL) and alpha1-antitrypsin-LDL (AT-LDL), and obesity and the metabolic syndrome (MetS) has not been previously studied. In the present report, we investigated the levels of SAA-LDL and AT-LDL in relation to the components of the MetS. We also assessed the effect of weight reduction therapy on serum SAA-LDL and AT-LDL levels among obese subjects. METHODS:The study population included 421 obese Japanese outpatients (185 men and 236 women, mean age: 51.1 years) enrolled in the multicenter Japan Obesity and Metabolic Syndrome Study (JOMS). The novel oxidized low-density lipoprotein markers, serum SAA-LDL and AT-LDL, were measured in all participants. RESULTS:Circulating SAA-LDL levels were independently associated with the presence and the number of components of the MetS. SAA-LDL levels were also significantly and independently correlated with high-sensitivity C-reactive protein. Notably, successful weight reduction resulted in a significant decrease in circulating SAA-LDL concentrations. Levels of AT-LDL were not associated with the MetS. CONCLUSIONS:We documented, for the first time, that serum SAA-LDL levels correlate positively with the number of components of the MetS and weight reduction. Whether SAA-LDL may be involved in the pathophysiology of MetS and atherosclerosis deserves further investigation.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Kotani K,Satoh N,Kato Y,Araki R,Koyama K,Okajima T,Tanabe M,Oishi M,Yamakage H,Yamada K,Hattori M,Shimatsu A,Japan Obesity and Metabolic Syndrome Study Group.doi
10.1016/j.atherosclerosis.2008.09.017subject
Has Abstractpub_date
2009-06-01 00:00:00pages
526-31issue
2eissn
0021-9150issn
1879-1484pii
S0021-9150(08)00673-4journal_volume
204pub_type
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