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Articles 1 - 11 of 11
Full-Text Articles in Physiology
Methylglyoxal Requires Ac1 And Trpa1 To Produce Pain And Spinal Neuron Activation, Ryan B. Griggs, Don E. Laird, Renee R. Donahue, Weisi Fu, Bradley K. Taylor
Methylglyoxal Requires Ac1 And Trpa1 To Produce Pain And Spinal Neuron Activation, Ryan B. Griggs, Don E. Laird, Renee R. Donahue, Weisi Fu, Bradley K. Taylor
Physiology Faculty Publications
Methylglyoxal (MG) is a metabolite of glucose that may contribute to peripheral neuropathy and pain in diabetic patients. MG increases intracellular calcium in sensory neurons and produces behavioral nociception via the cation channel transient receptor potential ankyrin 1 (TRPA1). However, rigorous characterization of an animal model of methylglyoxal-evoked pain is needed, including testing whether methylglyoxal promotes negative pain affect. Furthermore, it remains unknown whether methylglyoxal is sufficient to activate neurons in the spinal cord dorsal horn, whether this requires TRPA1, and if the calcium-sensitive adenylyl cyclase 1 isoform (AC1) contributes to MG-evoked pain. We administered intraplantar methylglyoxal and then evaluated …
Insights Into The Therapeutic Potential Of Salt Inducible Kinase 1: A Novel Mechanism Of Metabolic Control, Randi Fitzgibbon
Insights Into The Therapeutic Potential Of Salt Inducible Kinase 1: A Novel Mechanism Of Metabolic Control, Randi Fitzgibbon
Dissertations & Theses (Open Access)
Salt inducible kinase 1 (SIK1) has been considered a stress-inducible kinase since it was first cloned in 1999. Continued efforts since this time have been dedicated to characterizing the structure and function of SIK1. Such research has laid the ground work for our understanding of SIK1 action and regulation in tissue and stimuli dependent manners. The fundamental findings of this dissertation continue in this tradition and include investigations of SIK1 regulatory mechanisms in skeletal muscle cells, the cellular and physiological effects of SIK1 loss of function in vitro and in vivo, and intracellular metabolic and mitochondrial regulation by this …
Repeated Plyometric Exercise Attenuates Blood Glucose In Healthy Adults, Saldiam R. Barillas, Casey M. Watkins, Megan A. Wong, Ian J. Dobbs, David C. Archer, Cameron N. Munger, Andrew J. Galpin, Jared W. Coburn, Lee E. Brown
Repeated Plyometric Exercise Attenuates Blood Glucose In Healthy Adults, Saldiam R. Barillas, Casey M. Watkins, Megan A. Wong, Ian J. Dobbs, David C. Archer, Cameron N. Munger, Andrew J. Galpin, Jared W. Coburn, Lee E. Brown
International Journal of Exercise Science
International Journal of Exercise Science 10(7): 1076-1084, 2017. Plyometric exercise is popular in commercial exercise programs aiming to maximize energy expenditure for weight loss. However, the effect of plyometric exercise on blood glucose is unknown. The purpose of this study was to investigate the effect of relatively high intensity plyometric exercise on blood glucose. Thirteen subjects (6 females age= 21.8 ± 1.0 yrs.; height= 163.7 ± 7.8 cm; mass= 60.8 ± 6.7 kg and 7 males age= 22.0 ± 2.6 yrs.; height= 182.3 ± 3.6 cm; mass= 87.4 ± 12.5 kg) volunteered to participate. Subjects completed two random conditions on …
Prevention Of Renal Apob Retention Is Protective Against Diabetic Nephropathy: Role Of Tgf-Β Inhibition, Patricia G. Wilson, Joel C. Thompson, Meghan S. Yoder, Richard Charnigo, Lisa R. Tannock
Prevention Of Renal Apob Retention Is Protective Against Diabetic Nephropathy: Role Of Tgf-Β Inhibition, Patricia G. Wilson, Joel C. Thompson, Meghan S. Yoder, Richard Charnigo, Lisa R. Tannock
Internal Medicine Faculty Publications
Animal studies demonstrate that hyperlipidemia and renal lipid accumulation contribute to the pathogenesis of diabetic nephropathy (DN). We previously demonstrated that renal lipoproteins colocalize with biglycan, a renal proteoglycan. The purpose of this study was to determine whether prevention of renal lipid (apoB) accumulation attenuates DN. Biglycan-deficient and biglycan wild-type Ldlr−/− mice were made diabetic via streptozotocin and fed a high cholesterol diet. As biglycan deficiency is associated with elevated transforming growth factor-β (TGF-β), in some experiments mice were injected with either the TGF-β-neutralizing antibody, 1D11, or with 13C4, an irrelevant control antibody. Biglycan deficiency had no significant effect …
The Efficacy Of Tgfβ Inhibition Via Sgi-1252 In The Prevention And Reversal Of Diet-Induced Obesity And Diabetes, Blake Dallon, Benjamin Bikman
The Efficacy Of Tgfβ Inhibition Via Sgi-1252 In The Prevention And Reversal Of Diet-Induced Obesity And Diabetes, Blake Dallon, Benjamin Bikman
Journal of Undergraduate Research
The growing worldwide incidence of obesity and its associated pathologies, like type 2 diabetes, has received much deserved attention. However, despite this attention and substantial research efforts, little meaningful progress has been made in slowing or reversing the growing cost and trends of obesity worldwide.
As of 2008, almost 10% of medical costs in the United States were incurred due to obesity or other obesity-related diseases1, with a substantial amount of this cost stemming from the dramatically increased risk of diabetes with excess fat mass2. According to the US Centers for Disease Control and Prevention, more …
The Effect Of Acute Hyperglycemia On Muscular Strength, Power And Endurance, Franklin Lime-Ma, Joshua A. Cotter, Evan E. Schick
The Effect Of Acute Hyperglycemia On Muscular Strength, Power And Endurance, Franklin Lime-Ma, Joshua A. Cotter, Evan E. Schick
International Journal of Exercise Science
International Journal of Exercise Science 10(3): 390-396, 2017. The purpose of this study was to elucidate the impact of acute hyperglycemia on skeletal muscle strength, power, and endurance. Ten male collegiate athletes (age 21.5 ± 1.5 years, height 186 ± 2.03 cm, body mass 108.8 ± 7.6 kg) participated in 2 testing sessions, separated by 7 days and randomized for either high glucose (HG) or control (C) treatment conditions. HG consumed a high glucose drink (2 g glucose/kg body weight) while controls consumed an isocaloric nutrition bar (40% protein, 30% fat, and 30% carbohydrate). Blood glucose (BC) levels for HG …
Human Kinome In Skeletal Muscle Insulin Resistance, Yue Qi
Human Kinome In Skeletal Muscle Insulin Resistance, Yue Qi
Wayne State University Dissertations
Protein kinases play fundamental roles in regulation of biological processes and functions, such as insulin signaling and glucose metabolism. Dysregulation of protein kinases may cause impaired cell signaling and human diseases, such as metabolic syndrome and type 2 diabetes (T2D). Skeletal muscle is the main site responsible for insulin-stimulated glucose disposal, and insulin resistance in skeletal muscle is one of the key features of the pathogenesis of T2D. Therefore, malfunction of protein kinases and their interaction proteins may contribute to the molecular mechanism of insulin resistance in human skeletal muscle. However, no large scale profiling study has been reported to …
Remote Preconditioning: Evaluating The Efficacy Of Cardioprotection In Type-2 Diabetes And Exploring The Mechanistic Role Of Exosomes, Joseph Michael Wider
Remote Preconditioning: Evaluating The Efficacy Of Cardioprotection In Type-2 Diabetes And Exploring The Mechanistic Role Of Exosomes, Joseph Michael Wider
Wayne State University Dissertations
Remote preconditioning is a promising and robust treatment for myocardial
ischemia/reperfusion injury that evokes cardioprotection through endogenous neural
and/or humoral signaling. A recent study has reported that protective signaling is
mediated by exosomes through the circulation; however this concept is supported by
limited and inconsistent evidence. Despite overwhelming success in preclinical studies,
the efficacy of remote preconditioning in human studies is inconclusive. Importantly, the
majority of remote preconditioning studies use healthy animal models despite growing
evidence that comorbidities, such as type-2 diabetes, may negatively influence
outcomes. Nonetheless, the efficacy of remote preconditioning in the setting of type-2
diabetes has not …
Diabetes-Induced Expression And Regulation Of Glp-1 Levels By Bile Acid Receptors (Tgr5 & Fxr), Joseph R. Spengler
Diabetes-Induced Expression And Regulation Of Glp-1 Levels By Bile Acid Receptors (Tgr5 & Fxr), Joseph R. Spengler
Theses and Dissertations
Diabetes Mellitus has continued to drastically affect the health of the world and many complications can prove fatal. As long as this metabolic disease persist, research discoveries will need to continue to be made so that patient outcomes and healthcare are dramatically enhanced. In recent years, GLP-1 has been the topic of conversation for diabetes research, due to its promising effects in promoting insulin sensitivity. Furthermore, bile acids and their receptors (TGR5 & FXR) have shown promise in their actions in the regulation of GLP-1, and thus glucose homeostasis. Here we have shown the detection and increased expression of TGR5 …
Po2 Dependence Of Oxygen Consumption In Skeletal Muscle Of Diabetic And Non-Diabetic Rats, Alexander C. Liles
Po2 Dependence Of Oxygen Consumption In Skeletal Muscle Of Diabetic And Non-Diabetic Rats, Alexander C. Liles
Theses and Dissertations
Abstract
PO2 DEPENDENCE OF OXYGEN CONSUMPTION IN SKELETAL MUSCLE OF DIABETIC AND NON-DIABETIC RATS
By: Alexander C. Liles
A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science at the Medical College of Virginia Campus, Virginia Commonwealth University
Virginia Commonwealth University, 2017
Advisor: Roland N. Pittman, Ph.D.
Department of Physiology and Biophysics
Type 2 diabetes mellitus (T2DM) is a major medical problem around the world, affecting nearly 6% of the world’s population. This study was an attempt to better understand physiological changes the disease may cause to the microcirculation and more specifically, to …
Assessing For Awareness And Knowledge Regarding Diabetes In Pre-Diabetes Obese Patients, Remona Lysa Brown
Assessing For Awareness And Knowledge Regarding Diabetes In Pre-Diabetes Obese Patients, Remona Lysa Brown
Walden Dissertations and Doctoral Studies
Over the past few decades, there has been an increase in prevalence of diabetes in the United States. Prevention of diabetes and improving patients' knowledge and awareness of diabetes are crucial for healthcare providers. Using the Health Belief Model (HBM) as a theoretical foundation, the student used the National Diabetes Prevention Program (NDPP) from the Centers for Disease Control and Prevention (CDC), to improve awareness and knowledge of diabetes among obese individuals with prediabetes. The key research question of this project was to determine whether the patients' diabetes knowledge and awareness improved after the NDPP program. A convenience sample of …