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Caloric Test

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https://www.readbyqxmd.com/read/28436247/effects-of-peripheral-vestibular-dysfunction-on-dynamic-postural-stability-measured-by-the-functional-reach-test-and-timed-up-and-go-test
#1
Toshiko Nishi, Teru Kamogashira, Chisato Fujimoto, Makoto Kinoshita, Naoya Egami, Keiko Sugasawa, Tatsuya Yamasoba, Shinichi Iwasaki
OBJECTIVE: To investigate the influence of vestibular function on dynamic postural stability assessed by the functional reach test (FRT) and the timed up and go test (TUG). STUDY DESIGN: Retrospective study. SETTING: Tertiary referral center. SUBJECTS AND METHODS: The FRT and TUG were performed in 399 patients with dizziness. The effects of peripheral vestibular dysfunction assessed by the caloric test and cervical vestibular evoked myogenic potentials (cVEMPs) to air-conducted sound (500 Hz, tone burst) on the results of FRT and TUG were analyzed...
June 2017: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#2
REVIEW
Jill Thein-Nissenbaum, Erin Hammer
Since the passage of Title IX in 1972, female sports participation has dramatically increased. The benefits of physical activity, including decreased risk for heart disease and diabetes as well as improved body image and self-esteem, far outweigh the risks. However, a select population of adolescent and young adult females may experience symptoms related to the female athlete triad (Triad), which refers to the interrelatedness of energy availability, menstrual function, and bone mineral density (BMD). These conditions often manifest clinically as disordered eating behaviors, menstrual irregularity, and stress fractures; an individual may suffer from 1 or all of the Triad components simultaneously...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28433470/daily-supplementation-of-dietary-protein-improves-the-metabolic-effects-of-glp-1-based-pharmacotherapy-in-lean-and-obese-rats
#3
Elizabeth G Mietlicki-Baase, Kieran Koch-Laskowski, Lauren E McGrath, Joanna Krawczyk, Tram Pham, Rinzin Lhamo, David J Reiner, Matthew R Hayes
Glucagon-like peptide-1 (GLP-1) is an incretin hormone released from intestinal L-cells in response to food entering into the gastrointestinal tract. GLP-1-based pharmaceuticals improve blood glucose regulation and reduce feeding. Specific macronutrients, when ingested, may trigger GLP-1 secretion and enhance the effects of systemic sitagliptin, a pharmacological inhibitor of DPP-IV (an enzyme that rapidly degrades GLP-1). In particular, macronutrient constituents found in dairy foods may act as potent secretagogues for GLP-1, and acute preclinical trials show that ingestion of dairy protein may represent a promising adjunct behavioral therapy in combination with sitagliptin...
April 19, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28432007/caloric-compensation-in-preschool-children-relationships-with-body-mass-and-differences-by-food-category
#4
S Carnell, L Benson, E L Gibson, L A Mais, S Warkentin
Maintaining a healthy weight may involve compensating for previously consumed calories at subsequent meals. To test whether heavier children demonstrated poorer caloric compensation across a range of conditions, and to explore whether compensation failure was the result of inadequate adjustment of overall intake or specific over-consumption of highly palatable, high energy-density 'junk' foods, we administered two compensation tests to a sample of 4-5 y olds. For Test A, preloads varied only in carbohydrate content and were organoleptically indistinguishable (200 ml orange-flavored beverage [0 kcal vs...
April 18, 2017: Appetite
https://www.readbyqxmd.com/read/28422031/the-importance-of-labyrinthine-examination-in-the-prognosis-and-therapy-for-balance-in-spinocerebellar-ataxia
#5
João Henrique Faryniuk, Bianca Simone Zeigelboim, Hélio Afonso Ghizoni Teive, Vinicius Ribas Fo, Paulo Breno Noronha Liberalesso, Jair Mendes Marques
INTRODUCTION: Spinocerebellar ataxias (SCAs) are a heterogeneous group of neurodegenerative diseases that are characterized by the presence of progressive cerebellar ataxia. OBJECTIVE: Identify vestibular disorders and demonstrate the importance of labyrinthine examination in the prognosis and therapy for balance in patients with SCAs. MATERIALS AND METHODS: The study had a retrospective cross-sectional design and evaluated 57 patients, mean age of 41...
April 19, 2017: International Tinnitus Journal
https://www.readbyqxmd.com/read/28415598/caloric-restriction-delays-early-phases-of-carcinogenesis-via-effects-on-the-tissue-microenvironment
#6
Erika Cadoni, Fabio Marongiu, Maura Fanti, Monica Serra, Ezio Laconi
Caloric restriction (CR) is an effective and consistent means to delay aging and the incidence of chronic diseases related to old age, including cancer. However, the precise mechanisms responsible for the beneficial effect of CR on carcinogenic process are yet to be identified.In the present studies the hypothesis was tested that the CR might delay carcinogenesis via modulatory effects exerted on the age-associated, neoplastic-prone tissue microenvironment. Using a well characterized, orthotopic cell transplantation (Tx) system in the rat, preneoplastic hepatocytes isolated from liver nodules were injected into either old syngeneic rats fed ad libitum (AL) or animals of the same age given a CR diet (70% of AL feeding)...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402876/mechanistic-models-fit-to-variable-temperature-calorimetric-data-provide-insights-into-cooperativity
#7
Elihu C Ihms, Ian R Kleckner, Paul Gollnick, Mark P Foster
Allostery pervades macromolecular function and drives cooperative binding of ligands to macromolecules. To decipher the mechanisms of cooperative ligand binding it is necessary to define at a microscopic level the structural and thermodynamic consequences of binding of each ligand to its allosterically coupled site(s). However, dynamic sampling of alternative conformations (microstates) in allosteric molecules complicates interpretation of both structural and thermodynamic data. Isothermal titration calorimetry has the potential to directly quantify the thermodynamics of allosteric interactions, but usually falls short of enabling mechanistic insight...
April 11, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28399791/highly-palatable-food-access-during-adolescence-increased-anxiety-depression-like-behaviors-in-male-but-not-in-female-rats
#8
Jin Young Kim, Doyun Kim, Kyungpyo Park, Jong-Ho Lee, Jeong Won Jahng
OBJECTIVES: This study was conducted to examine the sexual dimorphic effects of highly palatable food (HPF) access during adolescence on the neurochemistry and depression-/anxiety-like behaviors of rats. METHODS: Male and female Sprague-Dawley pups had free access to chocolate cookie rich in fat (HPF) from postnatal day 28 in addition to ad libitum chow, and the control groups received only chow. The food conditions were continued throughout the entire experimental period, and the neurochemical and behavioral measurements were performed during young adulthood...
April 11, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28399265/survival-of-the-house-fly-diptera-muscidae-on-truvia-and-other-sweeteners
#9
Michael L Fisher, Fallon E Fowler, Steven S Denning, David W Watson
The house fly, Musca domestica L. (Diptera: Muscidae), is a disease vector of mechanically transmitted pathogens including bacteria, viruses, and protozoans. Opportunities for pathogen transmission can increase as fly longevity increases. Dietary preferences play an important role in insect longevity; therefore, we investigated house fly preferences, sucrose availability, and caloric constraints on house fly longevity. Experimental goals were: 1) to test the effects of calorie restriction on survival of house flies by manipulating concentrations of erythritol (low caloric content) and sucrose (high caloric content), and comparing commercial sweeteners of differing calorie content, 2) to identify house fly preferences for either erythritol or sucrose, and 3) to evaluate the insecticidal activity or toxicity of erythritol on house flies...
April 5, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28397037/assessment-of-balance-and-vestibular-functions-in-patients-with-idiopathic-sudden-sensorineural-hearing-loss
#10
Jia Liu, Ren-Hong Zhou, Bo Liu, Yang-Ming Leng, Jing-Jing Liu, Dong-Dong Liu, Su-Lin Zhang, Wei-Jia Kong
This study investigated the relationship among the severity of hearing impairment, vestibular function and balance function in patients with idiopathic sudden sensorineural hearing loss (ISSNHL). A total of 35 ISSNHL patients (including 21 patients with vertigo) were enrolled. All of the patients underwent audiometry, sensory organization test (SOT), caloric test, cervical vestibular-evoked myogenic potential (cVEMP) test and ocular vestibular-evoked myogenic potential (oVEMP) test. Significant relationship was found between vertigo and hearing loss grade (P=0...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28396289/food-craving-food-choice-and-consumption-the-role-of-impulsivity-and-sham-controlled-tdcs-stimulation-of-the-right-dlpfc
#11
Claudio Georgii, Philipp Goldhofer, Adrian Meule, Anna Richard, Jens Blechert
BACKGROUND: Impulsivity has been found to be associated with overeating and obesity. Transcranial direct current stimulation (tDCS) may enhance inhibitory control while reducing food craving and intake. Thus, the aim of the present study was to investigate whether tDCS stimulation modifies food choice, craving and consumption as a function of trait impulsivity. METHODS: Forty-two predominantly healthy-weight women received active tDCS stimulation to the right dorsolateral prefrontal cortex and sham stimulation in a within participant design...
April 8, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28395491/-the-significance-of-directional-preponderance-in-the-evaluation-of-vestibular-function-in-patients-with-vertigo
#12
J Wang, Y J Zhou, J Yu, J Gu
Objective: To analyze the relationship between directional preponderance (DP), spontaneous nystagmus(SN) and vestibular disorders, and to investigate the significance of DP in directing peripheral vestibular function in patients with vertigo. Methods: This was a retrospective analysis of 394 cases diagnosed with peripheral vestibular disease accompanied by vertigo from March 2012 to June 2014 in the Outpatient Department of the Eye & ENT Hospital of Fudan University. Results of static and dynamic posture equilibrium tests, SN, unilateral weakness(UW), and DP in videonystagmography(VNG) were analyzed and compared...
March 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28395489/-frequency-characteristics-of-the-semicicular-canals-damage-in-patients-with-meniere-disease
#13
K X Xu, T S Chen, W Wang, S S Li, Q Liu, C Wen, X Han, P Lin
Objective: To evaluate semicircular canal damage and its frequency characteristics in Meniere disease patients. Methods: Sixty-seven Meniere disease patients accepted the video-head impulse test(vHIT)which responses to semicircular canal function of high frequency area, head shaking test(HST) which responses to semicircular canal function of middle frequency area, and caloric test(CT) which responses to semicircular canal function of low frequency area.Preferences were recorded including the video head impulse test gain (vHIT-G), head shaking nystagmus (HSN) and parameters of the unilateral weakness (UW) as observation index, and results of all the three tests were analyzed according to Meniere disease patients...
March 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28391610/essential-amino-acid-mixtures-drive-cancer-cells-to-apoptosis-through-proteasome-inhibition-and-autophagy-activation
#14
Laura Bonfili, Valentina Cecarini, Massimiliano Cuccioloni, Mauro Angeletti, Vincenzo Flati, Giovanni Corsetti, Evasio Pasini, Francesco S Dioguardi, Anna Maria Eleuteri
Cancer cells require both energy and material to survive and duplicate in a competitive environment. Nutrients, such as amino acids (AAs), are not only a caloric source, as they can modulate cell metabolism and modify hormones homeostasis. Our hypothesis is that the environmental messages provided by AAs rule the dynamics of cancer cells life or death, and the alteration of the balance between essential (EAAs) and non-essential amino acids (NEAAs) (lower and higher than 50%, respectively) present in nutrients may represent a key instrument to alter environment-dependent messages thus mastering cancer cells destiny...
April 8, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28391531/efficacy-of-steroid-therapy-based-on-symptomatic-and-functional-improvement-in-patients-with-vestibular-neuritis-a-prospective-randomized-controlled-trial
#15
Myung Hoon Yoo, Chan Joo Yang, Shin Ae Kim, Marn Joon Park, Joong Ho Ahn, Jong Woo Chung, Hong Ju Park
The aim of this study was to examine the efficacy of methylprednisolone in vestibular neuritis (VN) by objective and subjective measures. This prospective controlled randomized study was conducted at one tertiary hospital. Twenty-nine VN patients were randomized to either the steroid (n = 15) or the control (n = 14) group. The steroid group received methylprednisolone for 2 weeks, whereas control patients did not; both groups underwent regular vestibular exercises and were prescribed a Ginkgo biloba...
April 8, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28390903/obesity-is-associated-with-lack-of-inhibitory-control-and-impaired-heart-rate-variability-reactivity-and-recovery-in-response-to-food-stimuli
#16
Grazia Fernanda Spitoni, Cristina Ottaviani, Anna Maria Petta, Pietro Zingaretti, Massimiliano Aragona, Antonio Sarnicola, Gabriella Antonucci
Recent theories compare obesity with addiction in terms of lack of inhibitory control in both clinical populations. The present study hypothesized impaired inhibition in obese patients reflected both in executive functions and reduced vagal tone (indexed by a decrease in heart rate variability; HRV) in response to food stimuli. Twenty-four inpatients with obesity (19 women) and 37 controls (24 women) underwent ECG monitoring during baseline, food stimuli viewing, and a recovery phase. Tests and questionnaires assessing inhibitory control and psychopathological dispositions were also administered...
April 6, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28380527/modulation-of-intestinal-cell-differentiation-in-growing-pigs-is-dependent-on-the-fiber-source-in-the-diet
#17
M Saqui-Salces, Z Huang, M Ferrandis Vila, J Li, J A Mielke, P E Urriola, G C Shurson
Feeding high-fiber diets decreases cost, but also caloric and nutritional efficiency by modifying intestinal morphology and function. We analyzed the changes in intestinal cell composition, nutrient transporters and receptors, and cell differentiation induced by fibers from different sources. Forty-six finishing pigs (BW 84 ± 7 kg) were fed 1 of 4 diets: corn-soybean (Control; = 12), 23% wheat straw (WS; = 11), 55% corn distillers dried grains with solubles (DDGS; = 11), and 30% soybean hulls (SBH; = 12). Pigs were fed 2 meals daily to an amount equivalent to 2...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28378088/central-activation-of-the-a1-adenosine-receptor-in-fed-mice-recapitulates-only-some-of-the-attributes-of-daily-torpor
#18
Maria A Vicent, Ethan D Borre, Steven J Swoap
Mice enter bouts of daily torpor, drastically reducing metabolic rate, core body temperature (T b), and heart rate (HR), in response to reduced caloric intake. Because central adenosine activation has been shown to induce a torpor-like state in the arctic ground squirrel, and blocking the adenosine-1 (A1) receptor prevents daily torpor, we hypothesized that central activation of the A1 adenosine receptors would induce a bout of natural torpor in mice. To test the hypothesis, mice were subjected to four different hypothermia bouts: natural torpor, forced hypothermia (FH), isoflurane-anesthesia, and an intracerebroventricular injection of the selective A1 receptor agonist N(6-)cyclohexyladenosine (CHA)...
April 4, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28376930/predictors-of-hearing-recovery-in-patients-with-severe-sudden-sensorineural-hearing-loss
#19
Daniel Weiss, Armin Julius Böcker, Mario Koopmann, Eleftherios Savvas, Matthias Borowski, Claudia Rudack
BACKGROUND: Sudden sensorineural hearing loss (SSHL) is a disease, which severely affects the patient's social and relational life. The underlying pathomechanisms have not been finally clarified yet and outcome is not predictable. METHODS: We conducted a retrospective study in order to identify parameters that influence hearing recovery. The data base contains results of basic otoneurological tests and clinical parameters of 198 patients with idiopathic SSHL of at least 60 dB in at least four frequencies, diagnosed and treated at the University Hospital of Münster, Germany, between 1999 and 2015...
April 4, 2017: Journal of Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28366815/liraglutide-suppression-of-caloric-intake-competes-with-the-intake-promoting-effects-of-a-palatable-cafeteria-diet-but-does-not-impact-food-or-macronutrient-selection
#20
Kellie M Hyde, Ginger D Blonde, Carel W le Roux, Alan C Spector
Liraglutide, a Glucagon-Like Peptide-1 (GLP-1) receptor agonist, is used as a treatment for Type 2 diabetes mellitus and obesity because it improves glycemia and decreases food intake. Here, we tested whether chronic activation of the GLP-1 receptor system with liraglutide would induce decreases in intake accompanied by changes in proportional food or macronutrient intake similar to those seen following RYGB in rats when a variety of palatable food options are available. A "cafeteria diet" was used that included: laboratory rodent chow, refried beans (low-fat/low-sugar), low-fat yogurt (low-fat/high-sugar), peanut butter (high-fat/low-sugar) and sugar-fat whip (high-fat/high-sugar)...
March 30, 2017: Physiology & Behavior
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