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- Apoptosis (1)
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- PULSATILE INSULIN-SECRETION; INDUCED ELECTRICAL-ACTIVITY; PURINE NUCLEOTIDE CYCLE; GLUCOSE-INDUCED OSCILLATIONS; MOUSE BETA-CELLS; CYTOPLASMIC CA2+; ENDOPLASMIC-RETICULUM; MUSCLE EXTRACTS; B-CELLS; PHOSPHOFRUCTOKINASE (1)
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Articles 1 - 3 of 3
Full-Text Articles in Medicine and Health Sciences
Interaction Of Glycolysis And Mitochondrial Respiration In Metabolic Oscillations Of Pancreatic Islets, Richard Bertram, Leslie S. Satin, Morten Gram Pedersen, Dan S. Luciani, Arthur Sherman
Interaction Of Glycolysis And Mitochondrial Respiration In Metabolic Oscillations Of Pancreatic Islets, Richard Bertram, Leslie S. Satin, Morten Gram Pedersen, Dan S. Luciani, Arthur Sherman
Pharmacology and Toxicology Publications
Abstract
Insulin secretion from pancreatic β-cells is oscillatory, with a typical period of 2–7 min, reflecting oscillations in membrane potential and the cytosolic Ca2+ concentration. Our central hypothesis is that the slow 2–7 min oscillations are due to glycolytic oscillations, whereas faster oscillations that are superimposed are due to Ca2+ feedback onto metabolism or ion channels. We extend a previous mathematical model based on this hypothesis to include a more detailed description of mitochondrial metabolism. We demonstrate that this model can account for typical oscillatory patterns of membrane potential and Ca2+ concentration in islets. It also …
The Substituted Pyrrole Jb-03-14 Induces Autophagic Cell Death And Growth Arrest In Breast Tumor Cells, Christopher Ryan Arthur
The Substituted Pyrrole Jb-03-14 Induces Autophagic Cell Death And Growth Arrest In Breast Tumor Cells, Christopher Ryan Arthur
Theses and Dissertations
The use of chemotherapy in the treatment of cancer has stimulated the demand for better chemotherapeutic agents that are more potent at destroying tumor cell populations and more selective for the specific tumor versus normal host tissues. This project is directed at discovering new anti-tumor agents that are effective against breast cancer based on structures derived from marine organisms, specifically brominated pyrroles. We utilized an in vitro breast cancer model to study the effects of pyrroles on tumor proliferation and survival, as well as growth arrest and cell death. Our findings indicate that the substituted pyrrole JG-03-14 induces time dependent …
A Comparision Of Delta-9-Tetrahydrocannabinol Dependence In C57bl/6j Mice And Fatty Acid Amide Hydrolase Knock Out Mice, Brittany Leigh Alice Carlson
A Comparision Of Delta-9-Tetrahydrocannabinol Dependence In C57bl/6j Mice And Fatty Acid Amide Hydrolase Knock Out Mice, Brittany Leigh Alice Carlson
Theses and Dissertations
The idea that humans and laboratory animals can become physically dependent on marijuana or its primary psychoactive constituent, delta-9-tetrahydrocannabinol (THC), is gaining acceptance. However, there are no currently approved pharmacotherapies to treat cannabinoid withdrawal. The objective of this thesis was to evaluate whether elevating endogenous anandamide levels using mice lacking fatty acid amide hydrolase (FAAH), the enzyme responsible for anandamide metabolism, would ameliorate THC dependence. Mice were treated subchronically with a low or high THC dosing regimen and challenged with the CB1 receptor antagonist, rimonabant, to precipitate withdrawal. Following subchronic THC treatment, rimonabant precipitated a significant increase in paw flutters …