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https://www.readbyqxmd.com/read/28941390/severe-forms-of-food-allergy
#1
REVIEW
Emanuel Sávio Cavalcanti Sarinho, Maria das Graças Moura Lins
OBJECTIVES: To guide the diagnostic and therapeutic management of severe forms of food allergy. DATA SOURCES: Search in the Medline database using the terms "severe food allergy," "anaphylaxis and food allergy," "generalized urticaria and food allergy," and "food protein-induced enterocolitis syndrome" in the last ten years, searching in the title, abstract, or keyword fields. SUMMARY OF DATA: Food allergy can be serious and life-threatening...
September 20, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28937250/role-of-exercise-induced-calmodulin-protein-kinase-camk-ii-activation-in-the-regulation-of-omega-6-fatty-acids-and-lipid-metabolism-genes-in-rat-skeletal-muscle
#2
J S Joseph, A O Ayeleso, E Mukwevho
Activation of calmodulin dependent protein kinase (CaMK)II by exercise is beneficial in controlling membrane lipids associated with type 2 diabetes and obesity. Regulation of lipid metabolism is crucial in the improvement of type 2 diabetes and obesity associated symptoms. The role of CaMKII in membrane associated lipid metabolism was the focus of this study. Five to six weeks old male Wistar rats were used in this study. GC×GC-TOFMS technique was used to determine the levels of polyunsaturated fatty acids (linoleic acid, arachidonic acid and 11,14-eicosadienoic acid)...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28935884/muscle-hypertrophy-in-hypoxia-with-inflammation-is-controlled-by-bromodomain-and-extra-terminal-domain-proteins
#3
Clovis Chabert, Saadi Khochbin, Sophie Rousseaux, Rebecca Furze, Nicholas Smithers, Rab Prinjha, Uwe Schlattner, Christophe Pison, Hervé Dubouchaud
Some of the Chronic Obstructive Pulmonary Disease (COPD) patients engaged in exercise-based muscle rehabilitation programs are unresponsive. To unravel the respective role of chronic hypoxia and pulmonary inflammation on soleus muscle hypertrophic capacities, we challenged male Wistar rats to repeated lipopolysaccharide instillations, associated or not with a chronic hypoxia exposure. Muscle hypertrophy was initiated by bilateral ablation of soleus agonists 1 week before sacrifice. To understand the role played by the histone acetylation, we also treated our animals with an inhibitor of bromodomains and extra terminal proteins (I-BET) during the week after surgery...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28935828/daily-resistance-type-exercise-stimulates-overall-muscle-protein-synthesis-rates-in-vivo-in-young-males
#4
Andrew M Holwerda, Kevin J M Paulussen, Maarten Overkamp, Joey S J Smeets, Annemie P Gijsen, Joy P B Goessens, Lex B Verdijk, Luc J C van Loon
BACKGROUND: Resistance-type exercise increases muscle protein synthesis rates during acute post-exercise recovery. The impact of resistance-type exercise training on (local) muscle protein synthesis rates under free living conditions on a day-to-day basis remains unclear. OBJECTIVE: To determine the impact of daily unilateral resistance-type exercise on local myofibrillar protein synthesis rates during a three-day period. METHODS: Twelve healthy young males (22±1 y) were recruited to participate in this study where they performed daily, unilateral resistance-type exercise during a three-day intervention period...
September 21, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28935827/short-term-dietary-curcumin-supplementation-reduces-gastrointestinal-barrier-damage-and-physiological-strain-responses-during-exertional-heat-stress
#5
Mandy C Szymanski, Trevor L Gillum, Lacey M Gould, David S Morin, Matthew R Kuennen
PURPOSE: This work investigated the effect of 3d of 500mg/d dietary curcumin supplementation on gastrointestinal (GI) barrier damage and systems-physiology responses to exertional heat stress in non-heat acclimated humans. METHODS: Eight participants ran (65%VO2max) for 60min in a Darwin® chamber (37°C/25%RH) two times (Curcumin/Placebo). Intestinal fatty acid binding protein (I-FABP) and associated pro-inflammatory (MCP-1, TNFα, IL-6) and anti-inflammatory (IL-1RA, IL-10) cytokines were assayed from plasma collected before (Pre), after (Post), 1hr (1-Post), and 4hrs after (4-Post) exercise...
September 21, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28935825/effect-of-tapering-after-a-period-of-high-volume-sprint-interval-training-on-running-performance-and-muscular-adaptations-in-moderately-trained-runners
#6
Casper Skovgaard, Nicki Winfield Almquist, Thue Kvorning, Peter Møller Christensen, Jens Bangsbo
The effect of tapering following a period of high-volume sprint interval training (SIT) and a basic volume of aerobic training on performance and muscle adaptations in moderately trained runners was examined. Eleven (8 males, 3 females) runners (maximum oxygen uptake (VO2-max): 56.8±2.9 mL·min(-1)·kg(-1); mean±SD) conducted high-volume SIT (HV; 20 SIT sessions; 8-12 x 30-s all-out) for 40 days followed by 18 days of tapering (TAP; 4 SIT sessions; 4 x 30-s all-out). Before and after HV as well as midway through and at the end of TAP, the subjects completed a 10-km running test and a repeated running test at 90% of vVO2-max to exhaustion (RRT)...
September 21, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28933133/the-effect-of-nerve-mobilization-exercise-in-patients-with-rheumatoid-arthritis-a-pilot-study
#7
C-N Lo, G Xia, B P Leung
Rheumatoid arthritis (RA) is an autoimmune disorder characterized by chronic inflammation of the joints. The neurogenic inflammatory mechanism plays an important role in the inflammatory process of RA, and pathological changes in neural tissues in RA have also been noted. We aim to investigate treatment of the nervous system to relieve joint pain and inflammation in RA. Nerve mobilization, a nervous system-specific therapeutic exercise, was applied on RA patients to determine the effect of nerve mobilization on joint inflammation...
September 21, 2017: Reumatismo
https://www.readbyqxmd.com/read/28929535/extracellular-acidosis-selectively-inhibits-pharmacomechanical-coupling-induced-by-carbachol-in-strips-of-rat-gastric-fundus
#8
Daniel Maia Nogueira de Oliveira, Francisco José Batista-Lima, Emanuella Carvalho Feitosa, Alexandre Havt, Moisés Tolentino Bento da Silva, Armênio Aguiar Dos Santos, Pedro Jorge Caldas Magalhães
Acute acidosis that results from short-term exercise delays gastric emptying in rats and decreases the responsiveness to carbachol in gastric fundus strips. The regulation of cytosolic Ca(2+) levels appears to be a mechanism of action of acidosis. The present study investigated the way in which acidosis interferes with gastric smooth muscle contractions. Rat gastric fundus isolated strips at pH 6.0 presented a lower magnitude of carbachol-induced contractions compared with preparations at pH 7.4. This lower magnitude was absent in carbachol-stimulated duodenum and KCl-stimulated gastric fundus strips...
September 19, 2017: Experimental Physiology
https://www.readbyqxmd.com/read/28928208/picornaviruses-and-apoptosis-subversion-of-cell-death
#9
REVIEW
Sarah N Croft, Erin J Walker, Reena Ghildyal
Infected cells can undergo apoptosis as a protective response to viral infection, thereby limiting viral infection. As viruses require a viable cell for replication, the death of the cell limits cellular functions that are required for virus replication and propagation. Picornaviruses are single-stranded RNA viruses that modify the host cell apoptotic response, probably in order to promote viral replication, largely as a function of the viral proteases 2A, 3C, and 3CD. These proteases are essential for viral polyprotein processing and also cleave cellular proteins...
September 19, 2017: MBio
https://www.readbyqxmd.com/read/28924423/vegan-diets-practical-advice-for-athletes-and-exercisers
#10
REVIEW
David Rogerson
With the growth of social media as a platform to share information, veganism is becoming more visible, and could be becoming more accepted in sports and in the health and fitness industry. However, to date, there appears to be a lack of literature that discusses how to manage vegan diets for athletic purposes. This article attempted to review literature in order to provide recommendations for how to construct a vegan diet for athletes and exercisers. While little data could be found in the sports nutrition literature specifically, it was revealed elsewhere that veganism creates challenges that need to be accounted for when designing a nutritious diet...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28920922/g%C3%AE-13-ablation-reprograms-myofibers-to-oxidative-phenotype-and-enhances-whole-body-metabolism
#11
Ja Hyun Koo, Tae Hyun Kim, Shi-Young Park, Min Sung Joo, Chang Yeob Han, Cheol Soo Choi, Sang Geon Kim
Skeletal muscle is a key organ in energy homeostasis owing to its high requirement for nutrients. Heterotrimeric G proteins converge signals from cell-surface receptors to potentiate or blunt responses against environmental changes. Here, we show that muscle-specific ablation of Gα13 in mice promotes reprogramming of myofibers to the oxidative type, with resultant increases in mitochondrial biogenesis and cellular respiration. Mechanistically, Gα13 and its downstream effector RhoA suppressed nuclear factor of activated T cells 1 (NFATc1), a chief regulator of myofiber conversion, by increasing Rho-associated kinase 2-mediated (Rock2-mediated) phosphorylation at Ser243...
September 18, 2017: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28919844/practical-nutritional-recovery-strategies-for-elite-soccer-players-when-limited-time-separates-repeated-matches
#12
REVIEW
Mayur Krachna Ranchordas, Joel T Dawson, Mark Russell
Specific guidelines that aim to facilitate the recovery of soccer players from the demands of training and a congested fixture schedule are lacking; especially in relation to evidence-based nutritional recommendations. The importance of repeated high level performance and injury avoidance while addressing the challenges of fixture scheduling, travel to away venues, and training commitments requires a strategic and practically feasible method of implementing specific nutritional strategies. Here we present evidence-based guidelines regarding nutritional recovery strategies within the context of soccer...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28919842/international-society-of-sports-nutrition-position-stand-nutrient-timing
#13
REVIEW
Chad M Kerksick, Shawn Arent, Brad J Schoenfeld, Jeffrey R Stout, Bill Campbell, Colin D Wilborn, Lem Taylor, Doug Kalman, Abbie E Smith-Ryan, Richard B Kreider, Darryn Willoughby, Paul J Arciero, Trisha A VanDusseldorp, Michael J Ormsbee, Robert Wildman, Mike Greenwood, Tim N Ziegenfuss, Alan A Aragon, Jose Antonio
The International Society of Sports Nutrition (ISSN) provides an objective and critical review regarding the timing of macronutrients in reference to healthy, exercising adults and in particular highly trained individuals on exercise performance and body composition. The following points summarize the position of the ISSN:Nutrient timing incorporates the use of methodical planning and eating of whole foods, fortified foods and dietary supplements. The timing of energy intake and the ratio of certain ingested macronutrients may enhance recovery and tissue repair, augment muscle protein synthesis (MPS), and improve mood states following high-volume or intense exercise...
2017: Journal of the International Society of Sports Nutrition
https://www.readbyqxmd.com/read/28916822/ampk-phosphorylation-of-ulk1-is-required-for-targeting-of-mitochondria-to-lysosomes-in-exercise-induced-mitophagy
#14
Rhianna C Laker, Joshua C Drake, Rebecca J Wilson, Vitor A Lira, Bevan M Lewellen, Karen A Ryall, Carleigh C Fisher, Mei Zhang, Jeffrey J Saucerman, Laurie J Goodyear, Mondira Kundu, Zhen Yan
Mitochondrial health is critical for skeletal muscle function and is improved by exercise training through both mitochondrial biogenesis and removal of damaged/dysfunctional mitochondria via mitophagy. The mechanisms underlying exercise-induced mitophagy have not been fully elucidated. Here, we show that acute treadmill running in mice causes mitochondrial oxidative stress at 3-12 h and mitophagy at 6 h post-exercise in skeletal muscle. These changes were monitored using a novel fluorescent reporter gene, pMitoTimer, that allows assessment of mitochondrial oxidative stress and mitophagy in vivo, and were preceded by increased phosphorylation of AMP activated protein kinase (Ampk) at tyrosine 172 and of unc-51 like autophagy activating kinase 1 (Ulk1) at serine 555...
September 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28916241/relationship-of-echocardiographic-epicardial-fat-thickness-and-epicardial-fat-volume-by-computed-tomography-with-coronary-artery-calcification-data-from-the-caesar-study
#15
Byung Jin Kim, Jung Gyu Kang, Sung Ho Lee, Jong Young Lee, Ki Chul Sung, Bum Soo Kim, Jin Ho Kang
BACKGROUND AND AIMS: No study has assessed the association between echocardiographic epicardial fat thickness (EFT) and computed tomography (CT)-based epicardial fat volume (EFV) and coronary artery calcification. The aim of this study is to evaluate the association between EFT and EFV and coronary artery calcification. METHODS: Among the 2,299 individuals enrolled in the CArdiometabolic risk, Epicardial fat, and Subclinical Atherosclerosis Registry (CAESAR) study, 2,276 (1,851 men; mean age 45 ± 8...
September 12, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28915538/long-term-t3-and-t4-treatment-as-an-alternative-to-aerobic-exercise-training-in-improving-cardiac-function-post-myocardial-infarction
#16
Rayane Brinck Teixeira, Alexsandra Zimmer, Alexandre Luz de Castro, Bruna Gazzi de Lima-Seolin, Patrick Türck, Rafaela Siqueira, Adriane Belló-Klein, Pawan K Singal, Alex Sander da Rosa Araujo
Here we aimed to compare the beneficial effects of T3 and T4 hormone treatment to those provided by aerobic exercise training in Wistar rats post-myocardial infarction (MI). Rats in one group were SHAM-operated and in the other group were subjected to MI surgery. One week after surgery, the MI group animals either received T3 and T4 hormones by gavage or underwent a low intensity aerobic exercise training protocol on a treadmill, and both treatments lasted until 10 weeks after MI. Untreated SHAM-operated and MI groups were also followed for the same duration...
September 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28914426/resistance-training-status-modifies-inflammatory-response-to-explosive-and-hypertrophic-resistance-exercise-bouts
#17
Johanna K Ihalainen, Juha P Ahtiainen, Simon Walker, Gøran Paulsen, Harri Selänne, Mari Hämäläinen, Eeva Moilanen, Heikki Peltonen, Antti A Mero
The purpose of the present study was to examine the immediate and prolonged immune response in circulating cytokine and adipocytokine concentrations after two different resistance exercise bouts: hypertrophic (HYP1, 5 × 10, 80% of 1RM) and maximal explosive (POW1, 10 × 5, 60% of 1RM) resistance exercise bouts and how 12 weeks of resistance training (RT) modifies these responses (HYP2, POW2). Eight men completed the study. RE-induced interleukin-6 (IL-6), interleukin-1β (IL-1β), interleukin-1 receptor antagonist (IL-1ra), monocyte-chemoattractant protein-1 (MCP-1), leptin, resistin, and adiponectin were measured before (PRE) and immediately (POST0), 24 (POST24) and 48 (POST48) hours after RE bouts before and after RT...
September 15, 2017: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/28912360/influence-of-past-injurious-exercise-on-fiber-type-specific-acute-anabolic-response-to-resistance-exercise-in-skeletal-muscle
#18
Ryo Takagi, Riki Ogasawara, Junya Takegaki, Arata Tsutaki, Koichi Nakazato, Naokata Ishii
We investigated influence of past injurious exercise on anabolic response of skeletal muscle fibers to resistance exercise (RE). Wistar rats were divided into exercise (E) and exercise after injury (I-E) groups. At age 10 wk, the right gastrocnemius muscle in each rat in the I-E group was subjected to strenuous eccentric contractions. Subsequently, RE was imposed on the same muscle of each rat at 14 wk of age in both groups. Peak joint torque and total force generation per body mass during RE were similar between the groups...
September 14, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28911059/forcing-the-vicious-circle-sarcopenia-increases-toxicity-decreases-response-to-chemotherapy-and-worsens-with-chemotherapy
#19
F Bozzetti
Sarcopenia has recently emerged as a new condition that, independently from malnutrition, may adversely affect the prognosis of cancer patients. Purpose of this narrative review is to define the prevalence of sarcopenia in different primaries, its role in leading to chemotherapy toxicity and decreased compliance with the oncological therapy and the effect of some drugs on the onset of sarcopenia. Finally, the review aims to describe the current approaches to restore the muscle mass through nutrition, exercise and anti-inflammatory agents or multimodal programmes with a special emphasis on the results of randomized controlled trials...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28911021/effects-of-lifestyle-modification-on-an-exaggerated-blood-pressure-response-to-exercise-in-normotensive-females
#20
Ryoma Michishita, Masanori Ohta, Masaharu Ikeda, Ying Jiang, Hiroshi Yamato
BACKGROUND: This study was designed to examine the effects of a lifestyle modification on the improvement in an exaggerated systolic blood pressure (SBP) response to exercise in normotensive females. METHODS: The subjects were 78 normotensive females with (n = 25) and without (n = 53) an exaggerated SBP response to exercise who were not taking any medications. An exaggerated SBP response to exercise was defined according to the criteria of the Framingham Study (peak SBP: ≥190 mm Hg)...
October 1, 2017: American Journal of Hypertension
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