Abstract:
OBJECTIVE:To assess whether plasma IGFBP-2 is independently associated with components of the lipoprotein-lipid profile and to suggest a cutoff value that could identify subjects with the features of the metabolic syndrome. METHODS:In this cross-sectional study, 379 Caucasian men from the general population and covering a wide range of BMI were recruited through the media. Subjects with type 2 diabetes, BMI values > 40 kg/m(2), or taking medication targeting glucose or lipid metabolism or blood pressure were excluded. Anthropometric data were collected and plasma IGFBP-2 concentrations, glucose tolerance and an extensive plasma lipid profile were determined after an overnight fast. RESULTS:Subjects with low IGFBP-2 levels were characterized by increased fat mass (p < 0.0001), impaired insulin sensitivity (p < 0.0001) and higher plasma triglyceride (TG) levels (p < 0.0001). When divided into 6 quantiles, only subjects with the highest IGFBP-2 levels (>221.5 ng/mL) did not meet the NCEP ATP III criteria for the clinical diagnosis of the metabolic syndrome. In addition, circulating IGFBP-2 levels were significantly associated with VLDL-TG (r = -0.51, p < 0.0001) and HDL-C (r = -0.27, p < 0.0001) levels. After adjustments, plasma IGFBP-2 was found to be independently associated with VLDL-TG levels but not with HDL-C concentrations. CONCLUSIONS:In our cohort, IGFBP-2 levels <221.5 ng/mL are incrementally associated with a detrimental plasma lipoprotein-lipid profile. After adjustment for covariates, IGFBP-2 remained independently associated with VLDL-TG but not HDL-C levels. This study supports further investigations in other populations and validation of IGFBP-2 as a biomarker of early dyslipidemia.
journal_name
Atherosclerosisjournal_title
Atherosclerosisauthors
Carter S,Li Z,Lemieux I,Alméras N,Tremblay A,Bergeron J,Poirier P,Deshaies Y,Després JP,Picard Fdoi
10.1016/j.atherosclerosis.2014.09.022subject
Has Abstractpub_date
2014-12-01 00:00:00pages
645-51issue
2eissn
0021-9150issn
1879-1484pii
S0021-9150(14)01424-5journal_volume
237pub_type
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