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Aerobic resistence

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https://www.readbyqxmd.com/read/28107459/associations-of-health-club-membership-with-physical-activity-and-cardiovascular-health
#1
Elizabeth C Schroeder, Gregory J Welk, Warren D Franke, Duck-Chul Lee
INTRODUCTION: This study evaluates whether a health club membership is associated with meeting the US physical activity (PA) guidelines and/or favorable cardiovascular health. METHODS: Using cross-sectional data of health club members (n = 204) and non-members (n = 201) from April to August 2013, this is the first study to our knowledge to examine a health club membership in relation to objectively measured cardiovascular health indicators including resting blood pressure, resting heart rate, body mass index, waist circumference, and cardiorespiratory fitness based on a non-exercise test algorithm...
2017: PloS One
https://www.readbyqxmd.com/read/28104391/na-h-exchanger-mediated-hydrogen-ion-extrusion-as-a-carcinogenic-signal-in-triple-negative-breast-cancer-etiopathogenesis-and-prospects-for-its-inhibition-in-therapeutics
#2
REVIEW
Schammim Ray Amith, Larry Fliegel
Breast cancer is the leading cause of cancer-related death in women in Europe and North America, and metastasis is the primary cause of fatality in patients with breast cancer. While some breast cancers are quite treatable, the triple-negative breast cancers are more metastatic and resistant to chemotherapy. There is clearly an urgent need for better treatments for this form of the disease. Breast cancer is characterized by genetically complex intra-tumour heterogeneity, particularly within the triple-negative clinical subtype...
January 16, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28099473/the-staphylococcus-aureus-srrab-regulatory-system-modulates-hydrogen-peroxide-resistance-factors-which-imparts-protection-to-aconitase-during-aerobic-growth
#3
Ameya A Mashruwala, Jeffrey M Boyd
The SrrAB two-component regulatory system (TCRS) positively influences the transcription of genes involved in aerobic respiration in response to changes in respiratory flux. Hydrogen peroxide (H2O2) can arise as a byproduct of spontaneous interactions between dioxygen and components of respiratory pathways. H2O2 damages cellular factors including protein associated iron-sulfur cluster prosthetic groups. We found that a Staphylococcus aureus strain lacking the SrrAB two-component regulatory system (TCRS) is sensitive to H2O2 intoxication...
2017: PloS One
https://www.readbyqxmd.com/read/28095104/the-relative-efficacy-of-land-based-and-water-based-exercise-training-on-macro-and-micro-vascular-functions-in-older-patients-with-type-2-diabetes
#4
Saowaluck Suntraluck, Hirofumi Tanaka, Daroonwan Suksom
Microvascular and macrovascular dysfunction plays an important role in the pathogenesis of diabetic vascular disease. Twenty-nine older patients with type 2 diabetes were randomly assigned into the land-based (LB; n=14) or water-based (WB; n=15) groups. Both groups completed supervised aerobic cycling exercises 3 times per week for 12 weeks. The WB group performed cycling exercise training in warm water (36°C) immersed to the hip level. After 12 weeks, blood glucose concentration and insulin resistance did not change but hemoglobin A1c levels decreased (P<0...
January 17, 2017: Journal of Aging and Physical Activity
https://www.readbyqxmd.com/read/28094552/glucose-metabolism-in-cancer-and-ischemia-possible-therapeutic-consequences-of-the-warburg-effect
#5
Spela Salamon, Eva Podbregar, Peter Kubatka, Dietrich Büsselberg, Martin Caprnda, Radka Opatrilova, Vanda Valentova, Mariusz Adamek, Peter Kruzliak, Matej Podbregar
The Warburg effect states that the main source of energy for cancer cells is not aerobic respiration, but glycolysis-even in normoxia. The shift from one to the other is governed by mutually counteracting enzymes: pyruvate dehydrogenase and pyruvate dehydrogenase kinase (PDK). Anaerobic metabolism of cancer cells promotes cell proliferation, local tissue immunosuppression, resistance to hypoxic conditions, and metastatic processes. By switching glucose back to oxidative metabolism, these effects might be reversed...
January 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28093924/effects-of-an-adapted-cardiac-rehabilitation-programme-on-arterial-stiffness-in-patients-with-type-2-diabetes-without-cardiac-disease-diagnosis
#6
Anka P Brozic, Susan Marzolini, Jack M Goodman
PURPOSE: To determine the effects of a 12-week cardiac rehabilitation programme of aerobic and resistance exercise training on arterial stiffness, peak calf vasodilatory reserve, and haemostatic markers in patients with type 2 diabetes. METHODS: Observational cohort study examining effects of 12 weeks of exercise training in 23 subjects (13 men, 10 women; mean age of 56.1 ± 10.1 years) with type 2 diabetes mellitus. Subjects performed exercise training for 12 weeks [aerobic training 5 days/week, 70%-75% peak cardiovascular fitness (VO2peak) and resistance training 2-3 days/week, 60% of one repetition maximum]...
January 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28081148/characterization-of-multi-drug-resistant-enterococcus-faecalis-isolated-from-cephalic-recording-chambers-in-research-macaques-macaca-spp
#7
Stephanie E Woods, Mia T Lieberman, Francois Lebreton, Elise Trowel, César de la Fuente-Núñez, Joanne Dzink-Fox, Michael S Gilmore, James G Fox
Nonhuman primates are commonly used for cognitive neuroscience research and often surgically implanted with cephalic recording chambers for electrophysiological recording. Aerobic bacterial cultures from 25 macaques identified 72 bacterial isolates, including 15 Enterococcus faecalis isolates. The E. faecalis isolates displayed multi-drug resistant phenotypes, with resistance to ciprofloxacin, enrofloxacin, trimethoprim-sulfamethoxazole, tetracycline, chloramphenicol, bacitracin, and erythromycin, as well as high-level aminoglycoside resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28080910/use-of-computed-tomography-for-investigation-of-rhinitis-and-sinusitis-in-a-greater-rhea-rhea-americana
#8
Anne M Meyer, Kristen Phair, Gary West
Sinusitis is a common finding in avian species; however, it presents unique treatment challenges in ratites. A 6-yr-old male greater rhea ( Rhea americana ) presented acutely with right infraorbital sinus swelling and chemosis. Oral antibiotics were prescribed based on bacterial culture results with incomplete resolution of clinical signs. A computed tomography scan of the skull demonstrated a mixed-density soft tissue mass with extensive destruction of the right nasal bone, hard palate, maxilla, and frontal bone...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28078668/mitochondrial-adaptations-to-exercise-in-human-skeletal-muscle-a-possible-role-for-cristae-density-as-a-determinant-of-muscle-fitness
#9
Christopher G R Perry
Skeletal muscle possesses a remarkable plasticity in response to repeated exercise challenges (i.e. exercise 'training'). A hallmark phenotypic change is an increase in the ability to sustain contraction and resist fatigue. Such increased muscle endurance is linked, in part, to an improved ability to sustain ATP synthesis aerobically through coordinated enhancements in the delivery of oxygen (e.g. cardiorespiratory, vascular adaptations) and its utilization within skeletal muscle mitochondria for the oxidation of fat and carbohydrates...
January 11, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28078614/resistance-exercise-reduces-seizure-occurrence-attenuates-memory-deficits-and-restores-bdnf-signaling-in-rats-with-chronic-epilepsy
#10
Alexandre Aparecido de Almeida, Sérgio Gomes da Silva, Glauber Menezes Lopim, Diego Vannucci Campos, Jansen Fernandes, Francisco Romero Cabral, Ricardo Mario Arida
Epilepsy is a disease characterized by recurrent, unprovoked seizures. Cognitive impairment is an important comorbidity of chronic epilepsy. Human and animal model studies of epilepsy have shown that aerobic exercise induces beneficial structural and functional changes and reduces the number of seizures. However, little is yet understood about the effects of resistance exercise on epilepsy. We evaluated the effects of a resistance exercise program on the number of seizures, long-term memory and expression/activation of signaling proteins in rats with epilepsy...
January 11, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28076853/pyruvate-dehydrogenase-expression-is-negatively-associated-with-cell-stemness-and-worse-clinical-outcome-in-prostate-cancers
#11
Yali Zhong, Xiaoli Li, Yasai Ji, Xiaoran Li, Yaqing Li, Dandan Yu, Yuan Yuan, Jian Liu, Huixiang Li, Mingzhi Zhang, Zhenyu Ji, Dandan Fan, Jianguo Wen, Mariusz Adam Goscinski, Long Yuan, Bin Hao, Jahn M Nesland, Zhenhe Suo
Cells generate adenosine-5'-triphosphate (ATP), the major currency for energy-consuming reactions, through mitochondrial oxidative phosphorylation (OXPHOS) and glycolysis. One of the remarkable features of cancer cells is aerobic glycolysis, also known as the "Warburg Effect", in which cancer cells rely preferentially on glycolysis instead of mitochondrial OXPHOS as the main energy source even in the presence of high oxygen tension. One of the main players in controlling OXPHOS is the mitochondrial gatekeeperpyruvate dehydrogenase complex (PDHc) and its major subunit is E1α (PDHA1)...
January 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28076590/effect-of-maternal-exercises-on-biophysical-fetal-and-maternal-parameters-a-transversal-study
#12
Caroline Mombaque Dos Santos, Wendel Mombaque Dos Santos, Francisco Maximiliano Pancich Gallarreta, Camila Pigatto, Luiz Osório Cruz Portela, Edson Nunes de Morais
Objective: To evaluate the acute effects of maternal and fetal hemodynamic responses in pregnant women submitted to fetal Doppler and an aerobic physical exercise test according to the degree of effort during the activity and the impact on the well-being. Methods: Transversal study with low risk pregnant women, obtained by convenience sample with gestational age between 26 to 34 weeks. The participants carry out a progressive exercise test. Results: After the exercise session, reduced resistance (p=0...
October 2016: Einstein
https://www.readbyqxmd.com/read/28071679/novel-long-chain-compounds-with-both-immunomodulatory-and-mena-inhibitory-activities-against-staphylococcus-aureus-and-its-biofilm
#13
Seoung-Ryoung Choi, Joel Frandsen, Prabagaran Narayanasamy
Menaquinone (MK) biosynthesis pathway is a potential target for evaluating antimicrobials in gram-positive bacteria. Here, 1,4-dihydroxy-2-naphthoate prenyltransferase (MenA) was targeted to reduce methicillin-resistant Staphylococcus aureus (MRSA) growth. MenA inhibiting, long chain-based compounds were designed, synthesized and evaluated against MRSA and menaquinone utilizing bacteria in aerobic conditions. The results showed that these bacteria were susceptible to most of the compounds. Menaquinone (MK-4) supplementation rescued MRSA growth, suggesting these compounds inhibit MK biosynthesis...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070562/biological-and-chemical-adaptation-to-endogenous-hydrogen-peroxide-production-in-streptococcus-pneumoniae-d39
#14
John P Lisher, Ho-Ching Tiffany Tsui, Smirla Ramos-Montañez, Kristy L Hentchel, Julia E Martin, Jonathan C Trinidad, Malcolm E Winkler, David P Giedroc
The catalase-negative, facultative anaerobe Streptococcus pneumoniae D39 is naturally resistant to hydrogen peroxide (H2O2) produced endogenously by pyruvate oxidase (SpxB). Here, we investigate the adaptive response to endogenously produced H2O2. We show that lactate oxidase, which converts lactate to pyruvate, positively impacts pyruvate flux through SpxB and that ΔlctO mutants produce significantly lower H2O2. In addition, both the SpxB pathway and a candidate pyruvate dehydrogenase complex (PDHC) pathway contribute to acetyl coenzyme A (acetyl-CoA) production during aerobic growth, and the pyruvate format lyase (PFL) pathway is the major acetyl-CoA pathway during anaerobic growth...
January 2017: MSphere
https://www.readbyqxmd.com/read/28070486/genome-sequencing-and-annotation-of-geobacillus-sp-1017-a-hydrocarbon-oxidizing-thermophilic-bacterium-isolated-from-a-heavy-oil-reservoir-china
#15
Vitaly V Kadnikov, Andrey V Mardanov, Andrey B Poltaraus, Diyana S Sokolova, Ekaterina M Semenova, Nikolay V Ravin, Tatiyana P Tourova, Tamara N Nazina
The draft genome sequence of Geobacillus sp. strain 1017, a thermophilic aerobic oil-oxidizing bacterium isolated from formation water of the Dagang high-temperature oilfield, China, is presented here. The genome comprised 3.6 Mbp, with the G + C content of 51.74%. The strain had a number of genes responsible for numerous metabolic and transport systems, exopolysaccharide biosynthesis, and decomposition of sugars and aromatic compounds, as well as the genes related to resistance to metals and metalloids...
March 2017: Genomics Data
https://www.readbyqxmd.com/read/28064148/community-weight-loss-to-combat-obesity-and-disability-in-at-risk-older-adults
#16
W Jack Rejeski, Walter T Ambrosius, Jonathan H Burdette, Michael P Walkup, Anthony P Marsh
BACKGROUND: Among older, overweight, and obese adults with either cardiovascular disease or the metabolic syndrome, reduced mobility and loss of leg strength are important risk factors for morbidity, disability, and mortality. It is unclear whether community-based approaches to weight loss may be an effective solution to this public health challenge. METHODS: An 18-month three-site, randomized controlled trial conducted by YMCA staff, with blinded assessors, enrolled 249 older, overweight, and obese adults with either cardiovascular disease or metabolic syndrome with randomization to three interventions: weight loss alone (WL), weight loss + aerobic training (WL + AT), and weight loss + resistance training (WT + RT)...
January 6, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28062459/biofilm-composition-and-threshold-concentration-for-growth-of-legionella-pneumophila-on-surfaces-exposed-to-flowing-warm-tap-water-without-disinfectant
#17
Dick van der Kooij, Geo L Bakker, Ronald Italiaander, Harm R Veenendaal, Bart A Wullings
: Legionella pneumophila in potable-water installations poses a potential health risk, but quantitative information about its replication in biofilms in relation to water quality is scarce. Therefore, biofilm formation on surfaces of glass and chlorinated polyvinyl chloride (CPVC) in contact with tap water at 34-39°C was investigated under controlled hydraulic conditions in a model system inoculated with biofilm-grown L. pneumophila The biofilm on glass (average steady-state concentration: 23 ± 9 pg ATP cm(-2)) exposed to treated aerobic groundwater [0...
January 6, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28060442/effects-of-6%C3%A2-months-of-aerobic-and-resistance-exercise-training-on-carotid-artery-intima-media-thickness-in-overweight-and-obese-older-women
#18
Jinkee Park, Hyuntea Park
AIM: We studied the effects of exercise on carotid intima-media thickness, luminal diameter, and flow velocity in overweight and obese older women, and the associations between carotid parameters changes and other variables. METHODS: A total of 41 overweight and obese older women (aged 65-77 years, fat mass percent ≥ 32%), who were divided into a control group (n = 20) and a supervised combined exercise group (n = 21). The 24-week combined exercise program (aerobic and resistance exercise) consisted of sessions 40-80 min in length 5 days per week under the supervision of an exercise specialist...
January 6, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28057418/improving-the-product-stability-and-fertilizer-value-of-cattle-slurry-solid-fraction-through-co-composting-or-co-ensiling
#19
Jarinda Viaene, Victoria Nelissen, Bert Reubens, Koen Willekens, Frank Driehuis, Stefaan De Neve, Bart Vandecasteele
Separating dairy cattle slurry in a liquid and solid fraction (SF) is gaining more interest, since it enables a more targeted use of both fractions. However, the valorization of the SF is limited on P-rich soils, due to its high P content, and the export or use as bedding material requires sanitation. Therefore, we investigated the influence of composting or ensiling the SF, whether or not mixed with bulking agents, on the product quality in terms of fertilizer value, sanitation and stability. Ensiling can be considered as a controlled storage method for conserving C and nutrients...
January 2, 2017: Waste Management
https://www.readbyqxmd.com/read/28053820/effects-of-different-concurrent-resistance-and-aerobic-training-frequencies-on-muscle-power-and-muscle-quality-in-trained-elderly-men-a-randomized-clinical-trial
#20
Rodrigo Ferrari, Sandra C Fuchs, Luiz Fernando Martins Kruel, Eduardo Lusa Cadore, Cristine Lima Alberton, Ronei Silveira Pinto, Régis Radaelli, Maira Schoenell, Mikel Izquierdo, Hirofumi Tanaka, Daniel Umpierre
Muscle power is a strong predictor of functional status in the elderly population and is required to perform different daily activities. To compare the effects of different weekly training frequencies on muscle power and muscle quality induced by concurrent training (resistance + aerobic) in previously trained elderly men. Twenty-four trained elderly men (65 ± 4 years), previously engaged in a regular concurrent training program, three times per week, for the previous five months, were randomly allocated to concurrent training programs in which training was performed either twice a week (2·week(-1), n = 12) or three times per week (3·week(-1), n = 12)...
December 2016: Aging and Disease
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