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Articles 1 - 18 of 18
Full-Text Articles in Physiology
The Metabolic And Physiological Demands Of A Simulated Fire Ground Test Versus A Live-Fire Training Evolution In Professional Firefighters, Drew Edward Gonzalez, Hunter Waldman, Matthew J. Mcallister
The Metabolic And Physiological Demands Of A Simulated Fire Ground Test Versus A Live-Fire Training Evolution In Professional Firefighters, Drew Edward Gonzalez, Hunter Waldman, Matthew J. Mcallister
International Journal of Exercise Science
International Journal of Exercise Science 16(7): 230-241, 2023. Objective: This study examined the similarities in metabolic and physiological demands of a fire ground test (FGT) and a live fire training evolution. Methods: Twenty-seven firefighters completed either a FGT (n = 13) or a live fire training evolution (n = 14). Salivary samples were collected pre, immediately post, and 30-minutes post FGT and live fire training evolution, and analyzed for cortisol, uric acid, and interleukin-1β (IL-1β). Heart rate (HR) was measured pre- and post-task. Results: Both tasks resulted in significant elevations in cortisol, IL-1β, and HR. Conclusions: Both the …
Effects Of Glucocorticoids Upon Pro-Inflammatory Responses To Acute Sleep Fragmentation, Hunter Weaver
Effects Of Glucocorticoids Upon Pro-Inflammatory Responses To Acute Sleep Fragmentation, Hunter Weaver
Masters Theses & Specialist Projects
Sleep loss is a common problem in humans who suffer from obstructive sleep apnea. Sleep aids in the regulation of immune responses, some of which induce inflammatory responses. Cytokines regulate the inflammatory process and are released in response to sleep fragmentation (SF) in mice. Glucocorticoids are hormones that are released from the adrenal cortices during a stress response and are considered to be anti-inflammatory and immunosuppressive at high doses but may stimulate immune function on an acute level. The first hypothesis tested was that normal physiological expression of glucocorticoids (Sham) will display increased IL-1β and TNFα expression levels, while high …
Sickness Behaviors Across Vertebrate Taxa: Proximate And Ultimate Mechanisms, Patricia C. Lopes, Susannah S. French, Douglas C. Woodhams, Sandra A. Binning
Sickness Behaviors Across Vertebrate Taxa: Proximate And Ultimate Mechanisms, Patricia C. Lopes, Susannah S. French, Douglas C. Woodhams, Sandra A. Binning
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
There is nothing like a pandemic to get the world thinking about how infectious diseases affect individual behavior. In this respect, sick animals can behave in ways that are dramatically different from healthy animals: altered social interactions and changes to patterns of eating and drinking are all hallmarks of sickness. As a result, behavioral changes associated with inflammatory responses (i.e. sickness behaviors) have important implications for disease spread by affecting contacts with others and with common resources, including water and/or sleeping sites. In this Review, we summarize the behavioral modifications, including changes to thermoregulatory behaviors, known to occur in vertebrates …
Potential Involvement Of Micro Vesicle Particles In The Synergistic Effects Of Ultraviolet-B Radiation And Platelet -Activating Factor Receptor Agonists On Cytokine Production, Shweta Bhadri
Browse all Theses and Dissertations
Cytokines play a pivotal role in regulating inflammation, which is a condition that makes the tissue vulnerable to different pathological and physiological conditions. Thus, how cytokines are regulated is an important area of study. Skin that receives ultraviolet B radiation (UVB), a major pro-oxidative stressor, results in the release of multiple cytokines and chemokines like tumor necrosis factor (TNF)-alpha and interleukin (IL)-8. Previous studies from our group and others have demonstrated synergistic release of TNF-alpha when UVB is combined with IL-1 or the lipid mediator Platelet-activating factor (PAF). Of interest, subcellular microvesicle particles (MVP) have been proposed to play an …
Effect Of Acute Sleep Fragmentation Upon Inflammatory Response Of Brown And White Adipose Tissue In Male Mice, Zach Wriedt
Effect Of Acute Sleep Fragmentation Upon Inflammatory Response Of Brown And White Adipose Tissue In Male Mice, Zach Wriedt
Mahurin Honors College Capstone Experience/Thesis Projects
Sleep is an important process required for vertebrates, including humans, to function. When sleep is disrupted, it leads to deleterious effects such as inflammatory responses throughout the body. Past studies have shown that acute (24 h) sleep fragmentation (SF) leads to an inflammatory response in white adipose tissue. However, whether brown adipose tissue responds in a similar fashion is unknown. Male adult (>8 weeks of age) C57BL/6j mice were subjected to SF for 24 h using a cage outfitted with a bar that moves horizontally across the cage every 2 min to periodically awaken mice (N =10). Controls were …
Morphological Changes In Dorsal Root Ganglia Macrophages Associated With Neuropathic Pain Mechanisms Suggest A Novel Target For Chronic Pain Therapy, Emily Kussick
CMC Senior Theses
The present study examined morphological changes in the dorsal root ganglia (DRG) following an innate immune stimulus. The importance of the DRG has increasingly become recognized in pain processing as more than just the home of primary afferent cell bodies. All sensory information passes through the DRG via the primary afferents, and on to the spinal cord. The primary afferents synapse with second-order neurons in the spinal cord that ascend towards the brain, where they transmit the pain signal to the limbic forebrain and/or the somatosensory cortex for processing. The DRG is an interesting niche to study at as it …
The Balance Between Prostaglandin E2 Ep3 And Ep4 Receptors Determines Severity Of Cardiac Damage In Myocardial Infarction And An Angiotensin Ii-Induced Model Of Hypertension, Timothy Dean Bryson
The Balance Between Prostaglandin E2 Ep3 And Ep4 Receptors Determines Severity Of Cardiac Damage In Myocardial Infarction And An Angiotensin Ii-Induced Model Of Hypertension, Timothy Dean Bryson
Wayne State University Dissertations
According to the center for disease control about 610,000 people die every year in the United States from heart disease, of which, coronary heart disease is the most common form. One major risk factor for heart attack is hypertension, which affects nearly half of all Americans [472, 473]. PGE2 plays an important role in regulating cardiovascular function and mediating inflammation, both of which contribute to the development of hypertension and/or heart disease. Prostaglandin E2 can act as a vasodilator or vasoconstrictor depending on which of its receptor subtypes are activated.
In general, activation of the EP1 and EP3 receptors is …
Serum Tumor Necrosis Factor-Alpha Associates With Myocardial Oxygen Demand And Exercise Tolerance In Postmenopausal Women, Stephen J. Carter, David R. Bryan, William H. Neumeier, Stephen P. Glasser, Gary R. Hunter
Serum Tumor Necrosis Factor-Alpha Associates With Myocardial Oxygen Demand And Exercise Tolerance In Postmenopausal Women, Stephen J. Carter, David R. Bryan, William H. Neumeier, Stephen P. Glasser, Gary R. Hunter
International Journal of Exercise Science
International Journal of Exercise Science 11(2): 42-54, 2018. The functional implications of serum tumor necrosis factor-alpha (TNF-a), a marker of oxidative stress, on hemodynamic parameters at rest and during physical exertion are unclear. The aims of this investigation were to examine the independent associations of TNF-a on myocardial oxygen demand at rest and during submaximal exercise, while also evaluating the association of TNF-a on exercise tolerance. Forty, postmenopausal women, provided blood samples and completed a modified-Balke protocol to measure maximal oxygen uptake (VO2max). Large artery compliance was measured by pulse contour analyses while rate-pressure product (RPP), an index …
Cycle Training Modulates Satellite Cell And Transcriptional Responses To A Bout Of Resistance Exercise, Kevin A. Murach, R. Grace Walton, Christopher S. Fry, Sami L. Michaelis, Jason S. Groshong, Brian S. Finlin, Philip A. Kern, Charlotte A. Peterson
Cycle Training Modulates Satellite Cell And Transcriptional Responses To A Bout Of Resistance Exercise, Kevin A. Murach, R. Grace Walton, Christopher S. Fry, Sami L. Michaelis, Jason S. Groshong, Brian S. Finlin, Philip A. Kern, Charlotte A. Peterson
Physical Therapy Faculty Publications
This investigation evaluated whether moderate‐intensity cycle ergometer training affects satellite cell and molecular responses to acute maximal concentric/eccentric resistance exercise in middle‐aged women. Baseline and 72 h postresistance exercise vastus lateralis biopsies were obtained from seven healthy middle‐aged women (56 ± 5 years, BMI 26 ± 1, VO2max 27 ± 4) before and after 12 weeks of cycle training. Myosin heavy chain (MyHC) I‐ and II‐associated satellite cell density and cross‐sectional area was determined via immunohistochemistry. Expression of 93 genes representative of the muscle‐remodeling environment was also measured via NanoString. Overall fiber size increased ~20% with cycle training ( …
The Development Of Skeletal Muscle In Young Horses: An Ultrasonography And Satellite Cell Approach, Emma K. Lavigne
The Development Of Skeletal Muscle In Young Horses: An Ultrasonography And Satellite Cell Approach, Emma K. Lavigne
Honors Scholar Theses
Muscle growth in young horses is characterized by an increase in muscle cross-sectional area, which can be accomplished through the activation and differentiation of satellite cells. Satellite cells can be stimulated or inhibited in response to different cytokines and growth factors and are key mediators of muscle hypertrophy and regeneration. The aim of this study was to investigate the growth of the longissimus dorsi (LD) muscle in horses under 5 years of age and to obtain preliminary data on satellite cell behavior in foals. The area, width, height, and subcutaneous fat were measured using ultrasonography at 6-month increments over the …
Using Dry Blood Spots To Evaluate Serum Cytokines And Chemokines In Humans Via Multiplex Technology, Eric A. Prado, Adam S. Venable, Andie L. Henning, Randall R. Williams, Brian K. Mcfarlin
Using Dry Blood Spots To Evaluate Serum Cytokines And Chemokines In Humans Via Multiplex Technology, Eric A. Prado, Adam S. Venable, Andie L. Henning, Randall R. Williams, Brian K. Mcfarlin
International Journal of Exercise Science: Conference Proceedings
Introduction: Dried Blood Spot (DBS) analysis has been used routinely since 1963 for the assessment of metabolic diseases in neonates; however, recent efforts have focused on the refinement and validation of DBS for other patient populations. The purpose of this study was to adapt existing DBS methods to analyze 38 serum cytokines/chemokines in human subjects. Validation will be completed by comparing DBS to serum for a given analyte.
Methods: After providing informed consent, subjects (N=21) provided a finger-stick DBS or venous serum sample using standard technique. Subjects were apparently healthy, non-obese, and had no known disease. Finger-stick capillary blood samples …
Changes Of Cytokines In Mouse Skeletal Muscle And Plasma By A Single Bout Of Endurance Exercise., Minjung Lee, Noriaki Kawanishi, Koichi Yada, Yungli Hung, Tsubasa Mizokami, Hiroyuki Niihara, Katsuhiko Suzuki
Changes Of Cytokines In Mouse Skeletal Muscle And Plasma By A Single Bout Of Endurance Exercise., Minjung Lee, Noriaki Kawanishi, Koichi Yada, Yungli Hung, Tsubasa Mizokami, Hiroyuki Niihara, Katsuhiko Suzuki
International Journal of Exercise Science: Conference Proceedings
Introduction: Exercise influences some cytokine levels, which is considered the body’s reaction against endogenous stress. Previous human studies demonstrated that high intensity exercise contributes to a dramatic increase of plasma cytokines like Interleukin-6 (IL-6) and Interleukin-1 receptor antagonist (IL-1ra) immediately after exercise. Recently, it has been identified that skeletal muscle produces cytokines and peptides and they exert both paracrine and endocrine effects. However, the sequential changes of cytokine production according to exercise conditions such as intensity, types and working time are still unclear. In this study, we identified the sequential changes of cytokines in both skeletal muscle and plasma after …
Comparison Of Two Different Sprint Interval Training Work-To-Rest Ratios On Acute Metabolic And Inflammatory Responses, Christopher R. Harnish
Comparison Of Two Different Sprint Interval Training Work-To-Rest Ratios On Acute Metabolic And Inflammatory Responses, Christopher R. Harnish
Theses and Dissertations
High intensity exercise is believed to yield greater results on health and human performance than moderate intensity exercise. Extensive research indicates that not only do high-intensity interval training (HIT) and sprint interval training (SIT) produce significant improvements in cardiovascular fitness and disease, they may be more effective at improving long-term metabolic function, including insulin sensitivity (Si), by producing more mitochondria. Moreover, compliance rates for HIT and SIT participation are reported to be the same or better than traditional moderate intensity exercise. Because lack of time is often cited as major hindrance to exercise participation, SIT is also seen as a …
Early Stage Drug Treatment That Normalizes Proinflammatory Cytokine Production Attenuates Synaptic Dysfunction In A Mouse Model That Exhibits Age-Dependent Progression Of Alzheimer's Disease-Related Pathology, Adam D. Bachstetter, Christopher M. Norris, Pradoldej Sompol, Donna M. Wilcock, Danielle Goulding, Janna H. Neltner, Daret St. Clair, D. Martin Watterson, Linda J. Van Eldik
Early Stage Drug Treatment That Normalizes Proinflammatory Cytokine Production Attenuates Synaptic Dysfunction In A Mouse Model That Exhibits Age-Dependent Progression Of Alzheimer's Disease-Related Pathology, Adam D. Bachstetter, Christopher M. Norris, Pradoldej Sompol, Donna M. Wilcock, Danielle Goulding, Janna H. Neltner, Daret St. Clair, D. Martin Watterson, Linda J. Van Eldik
Sanders-Brown Center on Aging Faculty Publications
Overproduction of proinflammatory cytokines in the CNS has been implicated as a key contributor to pathophysiology progression in Alzheimer's disease (AD), and extensive studies with animal models have shown that selective suppression of excessive glial proinflammatory cytokines can improve neurologic outcomes. The prior art, therefore, raises the logical postulation that intervention with drugs targeting dysregulated glial proinflammatory cytokine production might be effective disease-modifying therapeutics if used in the appropriate biological time window. To test the hypothesis that early stage intervention with such drugs might be therapeutically beneficial, we examined the impact of intervention with MW01-2-151SRM (MW-151), an experimental therapeutic that …
Circuit Resistance Training In Women: Body Composition And Serum Cytokines Levels, Fabiano Candido Ferreira, Alexandra Medeiros, Cristiane Nicioli, João Nunes
Circuit Resistance Training In Women: Body Composition And Serum Cytokines Levels, Fabiano Candido Ferreira, Alexandra Medeiros, Cristiane Nicioli, João Nunes
International Journal of Exercise Science: Conference Proceedings
Exercise can generate adjustments on body composition and elicit benefits or downregulation on the immunologic system. The aim of this study was to analyze the effects of circuit resistance training (CRT) on fat free mass (FFM), fat mass (FM) and cytokine responses in sedentary women, 39.71 ± 3.8 years old (n=14). The protocol consisted of 3 sessions/week of a circuit training of 9 stations with alternating muscle groups. In each session, the subjects performed the circuit 2 times with one set of 8-12 maximal repetitions (RM) in each station, during 10 weeks. The body composition was analyzed by DXA and, …
Inflammatory, Hematological And Oxidative Stress Responses In 160 To 246 Km Ultramarathons, Taisa Belli, Claudio Alexandre Gobatto
Inflammatory, Hematological And Oxidative Stress Responses In 160 To 246 Km Ultramarathons, Taisa Belli, Claudio Alexandre Gobatto
International Journal of Exercise Science: Conference Proceedings
Every race with distance higher than marathon is called ultramarathon. There are short ultramarathons, with a distance of 50 to 100km, such as the "Comrade Marathon" in South Africa (89km). On the other hand there are the long ultramarathons ranging from 100 to 1600km. Among these we can highlight the "Western States Endurance Run" (160km) in California/USA; the "Badwater Ultramarathon" (216 km) in California/USA and the "Spartahlon Ultramarathon" (246 km) in Greece. This literature review aimed to verify the inflammatory, hematological and oxidative stress responses particularly induced by these ultramarathons ranging from 160 to 246 km. These races present long …
Effect Of Eleven Weeks Training Program On Inflammatory, Hematological And Biochemical Parameters In Rat Skeletal Muscle, Liver And Serum, Fernando Oliveira Catanho Da Silva, Rejane Lucco, Rodrigo Ferraresso, Danilo Lopes Ferrucci
Effect Of Eleven Weeks Training Program On Inflammatory, Hematological And Biochemical Parameters In Rat Skeletal Muscle, Liver And Serum, Fernando Oliveira Catanho Da Silva, Rejane Lucco, Rodrigo Ferraresso, Danilo Lopes Ferrucci
International Journal of Exercise Science: Conference Proceedings
Physical exercise is known causer of acute traumas in biological structures. Chronically, physical training or can lead to a coherent sequence of traumas leading to Adaptation (Functional Overreaching – FOR) or to an imbalance between stimulus and recovery leading to Overtraining Syndrome (OTS). In the present study we analyzed muscle and hepatic cytokines concentration: Interleukin-6 (IL6), Tumor Necrose Factor-Alpha (TNF-α), Interleukin-1Beta (IL1-β) and Interleukin-10 (IL-10); muscle and serum concentration of glutamate (GLU) and glutamine (GLN); serum concentration of C-reactive Protein (CRP), Alpha-1 Glicoprotein Acid (AGA), Albumin (ALB), Uric Acid (UA), Ferric Reducing Ability of Plasma (FRAP), Creatine Kinase (CK), Red …
Acute Effects Of A Short-Term And High Intensity Exercise On Serum Cytokines Concentrations Of Sedentary Women Submitted To A Circuit Resistance Training, Cristiane Nicioli, João Elias Nunes, Gabriela Bombarda, Fabiano Candido Ferreira
Acute Effects Of A Short-Term And High Intensity Exercise On Serum Cytokines Concentrations Of Sedentary Women Submitted To A Circuit Resistance Training, Cristiane Nicioli, João Elias Nunes, Gabriela Bombarda, Fabiano Candido Ferreira
International Journal of Exercise Science: Conference Proceedings
The aim of this study was to evaluate the acute effects of short-term and high intensity exercise on serum cytokines concentrations, oxygen consumption and power of sedentary women pre and post 10 weeks of circuit resistance training (CRT). 14 women, 40.23 ± 3.9 years old, 164 ± 6.6 cm and 57.84 ± 7.7 kg were evaluated. Ventilatory threshold (WVT) and VO2peak (IVO2peak) were determined by ergoespirometric incremental test in a cycloergometer. In pre and post CRT, the women performed a test of cycling exercise with two stages: pedaling 30 minutes on WVT and 5 minutes on IVO2peak. The VO2peak was …