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Title: Effects of polychlorinated biphenyls and lipemia on serum analytes

Journal Article · · J. Toxicol. Environ. Health; (United States)

Twelve serum analytes (triglycerides, cholesterol, total and conjugated bilirubin, high-density-lipoprotein cholesterol (HDL-C) alkaline phosphatase (AP), gammaglutamyl transferase (GGT), aspartate aminotransferase (AST), alanine aminotransferase (ALT), ..beta..-glucoronidase (..beta..-glu), alanine aminopeptidase (AAP), and 5'-nucleotidase (5'nuc)) were measured to investigate their correlation with exposure to polychlorinated biphenyls (PCBs) and 1,1,1-trichloro-2,2-bis(p-chlorophenyl)ethane (DDT). The relationship between serum lipids, lipophilic toxicants, and the analytes was also evaluated. The ..beta..-glue, 5'nuc, triglycerides, cholesterol, and total bilirubin correlated positively and significantly with log concentrations of serum total PCBs and 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene (DDE), a metabolite of DDT. The more highly chlorinated PCBs had significant, positive correlations with several serum analytes, but the less chlorinated PCBs correlated significantly and negatively only with HDL-cholesterol. Triglyercide- and cholesterol-rich lipoproteins were added to serum to determine the effects of lipids on these assays. Several were spuriously elevated. AP and ..beta..-glu were not affected by lipoprotein addition with the methods used in this study. AAP was increased significantly only at triglyceide concentrations exceeding 400 mg/dl.

Research Organization:
Centers for Disease Control, Atlanta, GA
OSTI ID:
6641308
Journal Information:
J. Toxicol. Environ. Health; (United States), Vol. 19:3
Country of Publication:
United States
Language:
English