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Full-Text Articles in Medicine and Health Sciences
Effects Of Adipocyte Aryl Hydrocarbon Receptor Deficiency On Pcb-Induced Disruption Of Glucose Homeostasis In Lean And Obese Mice, Nicki A. Baker, Robin Shoemaker, Victoria English, Nika Larian, Manjula Sunkara, Andrew J. Morris, Mary Walker, Frederique Yiannikouris, Lisa A. Cassis
Effects Of Adipocyte Aryl Hydrocarbon Receptor Deficiency On Pcb-Induced Disruption Of Glucose Homeostasis In Lean And Obese Mice, Nicki A. Baker, Robin Shoemaker, Victoria English, Nika Larian, Manjula Sunkara, Andrew J. Morris, Mary Walker, Frederique Yiannikouris, Lisa A. Cassis
Saha Cardiovascular Research Center Faculty Publications
BACKGROUND: Coplanar polychlorinated biphenyls (PCBs) promote adipocyte inflammation and impair glucose homeostasis in lean mice. The diabetes-promoting effects of lipophilic PCBs have been observed only during weight loss in obese mice. The molecular mechanisms linking PCB exposures to impaired glucose metabolism are unclear.
OBJECTIVES: In this study we tested the hypothesis that coplanar PCBs act at adipocyte aryl hydrocarbon receptors (AhRs) to promote adipose inflammation and impair glucose homeostasis in lean mice and in obese mice during weight loss.
METHODS AND RESULTS: PCB-77 administration impaired glucose and insulin tolerance in LF (low fat diet)-fed control (AhRfl/fl) mice …