February 11, by David Mendosa Share You want to control your diabetes as much as possible. So you regularly check your A1C level. This is the best measurement of our blood glucose control that we have now. It tells us what percentage of our hemoglobin — the protein in our red blood cells that carry oxygen — has glucose sticking to it.
Stem Cell Biology and Toxicology 2: This session seeks to address this issue through outlining liver cell heath assays that are fit for purpose, and also outline the development of innovative preclinical test systems, which are both mechanism-based and of physiological, pharmacological, and pathological relevance to DILI in humans.
An iterative, tiered approach with respect to test compounds, test systems, bioanalysis, and mathematical systems analysis has been adopted to evaluate existing models, and develop new models that can provide validated test systems, with respect to the prediction of specific forms of DILI and further elucidation of mechanisms that relate to idiosyncratic DILI.
The approach encompasses completely characterised cell lines, well-defined, and physiologically stable hepatocytes, multi-cell type in vitro models and animal models.
Triangulation of human, in vitro and animal data is providing a fundamental understanding of how drugs can harm the liver, and how this relates to the idiosyncratic response.
The objectives of this symposium: Explore and understand the relationship between in vitro assay signals and DILI in vivo, in preclinical test species, and in man; 3.
Enhance shared understanding, between academia, pharma, and regulatory agencies, of the value and limitations of new and existing approaches for DILI hazard identification and risk assessment.
Richard Weaver, Servier, Paris, France. Mikael Persson, Astrazeneca, Gothenburg, Sweden. A Race against the Clocks Symposium 2: Cardiovascular Toxicology Specialty Section Inhalation and Respiratory Specialty Section Exposure to air pollution has emerged as one of the leading causes of death world-wide.
The World Health Organization WHO estimates that every year exposure to air pollution causes 7 million premature deaths. Extensive epidemiological studies have shown that exposure to polluted air increases the risk of pulmonary and cardiovascular diseases as well as metabolic disorders; however, the underlying pathophysiological mechanisms have remained elusive.
Air pollution exposure affects pulmonary, cardiac, and vascular functions that follow circadian rhythmicity and increases the risk for pulmonary and cardiovascular events that follow diurnal patterns. Recent studies have shown that exposures to air pollution disrupt pulmonary and cardiovascular molecular circadian clocks, changes circadian blood pressure pattern, and exacerbates the cardiometabolic effects of dyssynchrony misaligned circadian rhythm.
This symposium will highlight this research, identifying the circadian clocks and rhythms as a novel target of air pollution exposure, and will compare the effects of air pollution on circadian rhythmicity with circadian rhythm disruption induced by other stressors such as ischemia, virus infections and diabetes.
The circadian rhythm—defined as physiological, mental, and behavioral changes following a 24 h cycle—controls fundamental physiology, cellular and molecular processes, such as blood pressure, cell division, and DNA-repair that regulate physiological homeostasis.
Circadian rhythmicity is regulated by external signals such as light, temperature, food, or physical activity, called Zeitgeber. However, the normal circadian rhythmicities of these environmental factors are disrupted by our modern lifestyle choices. For instance, circadian dyssynchrony, the misalignment between the central clock supra chiasmatic nucleus, SCN in the hypothalamus and peripheral clocks by the disturbing the light cycle e.
Although the central pacemaker, the SCN has long been considered the primary regulator of circadian rhythm the discovery of clock gene expression, and function in peripheral tissues has challenged this dogma.
Peripheral circadian clocks play a critical role in optimizing the organization of cellular function in the lungs, and are directly involved in metabolic homeostasis and cardiovascular function.
The studies presented in this symposium will illustrate the importance of different peripheral circadian clocks in the development of pulmonary, cardiovascular, and metabolic disorders, and will provide evidence that exposure to different air pollution disrupt peripheral circadian clocks and circadian rhythm in pulmonary and cardiovascular tissues similar to the circadian misalignment induced by other stressors such as ischemia, virus infections, and diabetes.
The specific presentations of this symposium will show that: In summary, this symposium will provide novel aspects and new mechanistic insights to understand the adverse health effects originating from air pollutant exposure, and our modern lifestyle in association with circadian clock and rhythm disturbances.
Clock Control of Cardiovascular Physiology and Pathophysiology. Blood Pressure Circadian Rhythm. Fine Particulate Matter PM2. Immunotoxicology Specialty Section Neurotoxicology Specialty Section Interactions between the immune and nervous systems are critical to overall health and wellness.
These interactions are dynamic and vary throughout life, in part due to the age-dependent plasticity of these two complex and dispersed organ systems. In addition, early in development, the maternal immune system contributes to both normal and abnormal brain development of the offspring.
Evidence indicates that exogenous exposures to a variety of pressures such as stress, xenobiotics, including psychoactive substances, and infection can result in neuroimmune dyshomeostasis that is a core component in the etiology of many neurological disorders.
|Sign Up For Updates||To see any graphs, charts, graphics, images, and quotes to which Dr.|
Age and developmental stage are already recognized as key toxicity modifiers due to age-dependent differences in metabolism or barrier, i. However, perturbation of the integrity of the neuro-immune axis by environmental factors within the context of age is only a recent focus of investigation, and is largely underappreciated by the toxicology community.
The goal of this symposium is to highlight the importance of considering age and developmental stage in neuroimmunotoxicology by providing examples of neuroimmune dyshomeostasis caused by pollutants, pathogens, and psychoactive substances when exposures take place at different stages of life.
An Introduction to Neuroimmune Dyshomeostasis: Focus on Autism-Like Neurodevelopmental Disorders. Neuroimmune Interactions and Drugs of Abuse: Neuroimmunology of the Aged:“When insulin is released in the pancreas, a tiny squirt within the pancreas suppresses the glucagon.
This is lost in diabetes ” My personal theory is that it is lost because not all alpha-cells (glucagon producing) are in the pancreas, some are in the stomach.
The case study method of teaching applied to college science teaching, from The National Center for Case Study Teaching in Science.
The full text of this journal can be found in the EBSCOhost ™ and Al Manhal databases. The journal is now also Indexed in WEB OF SCIENCE. Type 1 diabetes is a chronic illness characterized by the body’s inability to produce insulin due to the autoimmune destruction of the beta cells in the pancreas.
Onset most often occurs in childhood, but the disease can also develop in adults in their late 30s and early 40s. Dear Twitpic Community - thank you for all the wonderful photos you have taken over the years. We have now placed Twitpic in an archived state.
Prediabetes and type 2 diabetes are caused by a drop in insulin sensitivity blamed on “intramyocellular lipid,” the buildup of fat inside our muscle cells.
Below is an approximation of this video’s audio content. To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may.