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Articles 1 - 5 of 5
Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Physiologically-Based Pharmacokinetic Modeling For Predicting Caffeine/Theophylline-Ciprofloxacin Interactions, David M. Ng, Ali Navid
Physiologically-Based Pharmacokinetic Modeling For Predicting Caffeine/Theophylline-Ciprofloxacin Interactions, David M. Ng, Ali Navid
STAR Program Research Presentations
Dynamics of interactions between the drugs caffeine, theophylline, and ciprofloxacin are predicted using physiologically-based pharmacokinetic (PBPK) modeling. Pharmacokinetic means the model determines where the drugs are distributed in the body over time. Physiologically-based means the anatomy and physiology of the human body are reflected in the structure and functioning of the model. Multiple drugs can interact to increase or decrease their beneficial and/or undesired effects. This is important because some common substances, such as caffeine in coffee, soft drinks, and energy drinks, are actually drugs that affect the body. Ciprofloxacin is an inhibitor of caffeine and theophylline metabolism; such inhibition …
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 …
Novel Cis-Restricted Β-Lactam Combretastatin A-4 Analogues Display Anti-Vascular And Anti-Metastatic Properties In Vitro, Seema M. Nathwani, Lisa M. Greene, Linda Hughes, Miriam Carr, Niamh O'Boyle, Susan Mcdonnell, Mary J. Meegan, Daniela M. Zisterer
Novel Cis-Restricted Β-Lactam Combretastatin A-4 Analogues Display Anti-Vascular And Anti-Metastatic Properties In Vitro, Seema M. Nathwani, Lisa M. Greene, Linda Hughes, Miriam Carr, Niamh O'Boyle, Susan Mcdonnell, Mary J. Meegan, Daniela M. Zisterer
Articles
No abstract provided.
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 …
Acidic Pericellular Ph: Effects On Proteolysis And Gene Expression As Determined In 3d Models Of Breast Carcinoma, Jennifer M. Rothberg
Acidic Pericellular Ph: Effects On Proteolysis And Gene Expression As Determined In 3d Models Of Breast Carcinoma, Jennifer M. Rothberg
Wayne State University Dissertations
Among the non-cellular microenvironmental factors that contribute to malignancy of solid tumors is an acidic peritumoral pH. The first objective was to determine if an acidic extracellular pH observed in vivo (i.e., pHe 6.8) affects the activity of proteases, such as cathepsin B, that contribute to degradation of collagen IV by tumor cells when grown in biologically relevant three-dimensional cultures. At pHe 6.8 there were increases in pericellular active cysteine cathepsins and in degradation of DQ-collagen IV, which was partially blocked by a cathepsin B inhibitor. Imaging probes for active cysteine cathepsins localized to tumors in vivo. The amount of …