Hypertriglyceridemia and unusual lipoprotein subclass distributions associated with late pregnancy
Conference
·
· FASEB Journal (Federation of American Societies for Experimental Biology); (United States)
OSTI ID:5175666
- Lawrence Berkeley Lab., CA (United States)
In the human adult population elevated plasma triglyceride (TG) levels are associated with decreased high density lipoprotein-cholesterol (HDL-C) levels and decreased HDL and LDL particle sizes. Late pregnancy is a hypertriglyceridemic state where little is known about LDL and HDL subpopulation distribution. Plasma lipids, apolipoproteins (apo) and lipoprotein subpopulations were examined in 36 pregnant women at 36 wk pregnancy and 6 wk postpartum and correlated with HDL and LDL size. There was a significant decrease in LDL diameter at 36 wk pre, 25 {plus minus} 0.7 nm compared, with 6 wk post, 26.4 {plus minus} 0.8 nm. A total of 97% of the 36 wk pre subjects had small dense LDL which paralleled increases in apoB concentration. Unlike LDL HDL at 36 wks pre showed a significant increase in larger sized particles where HDL{sub 2b} predominated. There was a positive correlation between HDL{sub 2b} mass and apoAl and HDL-C concentrations. Late pregnancy is a metabolic state where the predominance of large, HDL{sub 2b} particles is discordant with the predominance of small LDL and elevated TG. This annual metabolic pattern may in part be due to hormonal changes occurring in late pregnancy.
- OSTI ID:
- 5175666
- Report Number(s):
- CONF-9104107--
- Conference Information:
- Journal Name: FASEB Journal (Federation of American Societies for Experimental Biology); (United States) Journal Volume: 5:5
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550900* -- Pathology
59 BASIC BIOLOGICAL SCIENCES
ANIMALS
BIOSYNTHESIS
CHOLESTEROL
DISEASES
ESTERS
FEMALES
HYDROXY COMPOUNDS
LIPIDS
LIPOPROTEINS
MAMMALS
MAN
METABOLIC DISEASES
ORGANIC COMPOUNDS
PARTICLE SIZE
PATHOGENESIS
PREGNANCY
PRIMATES
PROTEINS
SIZE
STEROIDS
STEROLS
SYNTHESIS
TRIGLYCERIDES
VERTEBRATES
WOMEN
59 BASIC BIOLOGICAL SCIENCES
ANIMALS
BIOSYNTHESIS
CHOLESTEROL
DISEASES
ESTERS
FEMALES
HYDROXY COMPOUNDS
LIPIDS
LIPOPROTEINS
MAMMALS
MAN
METABOLIC DISEASES
ORGANIC COMPOUNDS
PARTICLE SIZE
PATHOGENESIS
PREGNANCY
PRIMATES
PROTEINS
SIZE
STEROIDS
STEROLS
SYNTHESIS
TRIGLYCERIDES
VERTEBRATES
WOMEN