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Full-Text Articles in Pharmacology, Toxicology and Environmental Health
Molecular Mechanisms Underlying The Early Life Programming Of The Liver, Gurjeev Sohi
Molecular Mechanisms Underlying The Early Life Programming Of The Liver, Gurjeev Sohi
Electronic Thesis and Dissertation Repository
Clinical studies have demonstrated that intrauterine growth restriction (IUGR) offspring, faced with a nutritional mismatch postpartum, have an increased risk of developing the metabolic syndrome. The maternal protein restriction (MPR) rat model has been extensively studied to investigate the adverse effects of a nutritional mismatch in postnatal life of IUGR offspring. Previous studies have demonstrated that MPR leads to impaired function of the liver, an important metabolic organ. However the underlying mechanisms which predispose these offspring to the metabolic syndrome remain elusive. In the following studies, low protein diet during pregnancy and lactation led to IUGR offspring with decreased liver …
Regulation Of 7-Dehydrocholesterol Reductase By Vitamin D3, Ling Zou
Regulation Of 7-Dehydrocholesterol Reductase By Vitamin D3, Ling Zou
Theses and Dissertations--Pharmacy
7-Dehydrocholesterol (7-DHC) is the substrate of 7-dehydrocholesterol reductase (DHCR7) in the cholesterol synthesis pathway. Keratinocytes in human skin possess the enzymes necessary for cholesterol synthesis but are also responsible for vitamin D3 synthesis from 7-DHC by exposure to UVB irradiation. It has been well established that DHCR7 is regulated by the SREBP pathway in the regulation of cholesterol synthesis, but little is known about the regulation of DHCR7 by the vitamin D pathway. In this study, the regulation of DHCR7 activity by vitamin D was explored. Treatment of adult human epidermal keratinocyte (HEKa) cells with vitamin D3 resulted …