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https://www.readbyqxmd.com/read/28435337/treatment-strategies-for-the-female-athlete-triad-in-the-adolescent-athlete-current-perspectives
#1
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/28432843/vitamin-b1-in-critically-ill-patients-needs-and-challenges
#2
REVIEW
Jake T B Collie, Ronda F Greaves, Oliver A H Jones, Que Lam, Glenn M Eastwood, Rinaldo Bellomo
BACKGROUND: Thiamine has a crucial role in energy production, and consequently thiamine deficiency (TD) has been associated with cardiac failure, neurological disorders, oxidative stress (lactic acidosis and sepsis) and refeeding syndrome (RFS). This review aims to explore analytical methodologies of thiamine compound quantification and highlight similarities, variances and limitations of current techniques and how they may be relevant to patients. CONTENT: An electronic search of Medline, PubMed and Embase databases for original articles published in peer-reviewed journals was conducted...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28427343/loss-of-pericyte-smoothened-activity-in-mice-with-genetic-deficiency-of-leptin
#3
Guanhua Xie, Marzena Swiderska-Syn, Mark L Jewell, Mariana Verdelho Machado, Gregory A Michelotti, Richard T Premont, Anna Mae Diehl
BACKGROUND: Obesity is associated with multiple diseases, but it is unclear how obesity promotes progressive tissue damage. Recovery from injury requires repair, an energy-expensive process that is coupled to energy availability at the cellular level. The satiety factor, leptin, is a key component of the sensor that matches cellular energy utilization to available energy supplies. Leptin deficiency signals energy depletion, whereas activating the Hedgehog pathway drives energy-consuming activities...
April 20, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28414075/vitamin-b2-deficiency-enhances-the-pro-inflammatory-activity-of-adipocyte-consequences-for-insulin-resistance-and-metabolic-syndrome-development
#4
Agnieszka Irena Mazur-Bialy, Ewa Pocheć
AIMS: Adipose tissue is an endocrine organ important for regulation of such physiological processes as energy metabolism or lipids homeostasis. In an obesity state, it participates in the induction of chronic systemic inflammation accompanied by pro-inflammatory cytokines and fatty acid elevation. For this reasons, adipose tissue is involved in, e.g., insulin resistance, type 2 diabetes or hyperlipidemia development. In our previous study, we have shown that riboflavin deficiency induces a pathological pro-inflammatory response of macrophages, the main component of adipose tissue...
April 14, 2017: Life Sciences
https://www.readbyqxmd.com/read/28412412/autophagy-regulatory-molecule-tmem74-interacts-with-bik-and-inhibits-bik-induced-apoptosis
#5
Yizhe Sun, Qi Li, Jingyu Zhang, Zhongjiang Chen, Qihua He, Xi Liu, Ning Zhao, Ang Yin, He Huang, Minwei He, Lulu Cao, Lu Wang
TMEM74 (Transmembrane protein 74), a lysosome transmembrane protein, induces cell autophagy. Knockdown of TMEM74 abolished EBSS-induced autophagy. BIK, belonging to BOP (BH3-only protein) protein family, has been reported to induce cell apoptosis. Autophagy and apoptosis, as different pathways regulated by extra- or intra-cellular signals precisely, both play a crucial role in processes of intra-cellular substrates degradation, energy metabolism and cell survival. However, the relationship between autophagy and apoptosis still remains elusive...
April 12, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28412370/suppression-of-adenosine-monophosphate-activated-protein-kinase-selectively-triggers-apoptosis-in-activated-t-cells-and-ameliorates-immune-diseases
#6
Zijun Ouyang, Xingqi Wang, Qianqian Meng, Lili Feng, Yang Sun, Xuefeng Wu, Qiang Xu
Deficient apoptosis of activated T cells can result in immunological disorders. Molecules associated with energy and metabolisms are suggested to be involved in pathogenesis of immune diseases, but remain uninvestigated. In the present study we reported that glibenclamide exerted a new pharmacological effect on inflammatory responses by selectively triggering apoptosis of activated T cells. Glibenclamide demonstrated an inhibition on activated T lymphocytes, whereas showed no toxicity in the naive cells. This effect was mainly related with its ability to facilitate apoptosis in activated T cells with an up-regulation of cleaved-caspases and cleaved-PARP...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28412214/chinese-medicine-bu-fei-decoction-attenuates-epithelial-mesenchymal-transition-of-non-small-cell-lung-cancer-via-inhibition-of-transforming-growth-factor-%C3%AE-1-signaling-pathway-in-vitro-and-in-vivo
#7
Xi-Ran He, Shu-Yan Han, Xiao-Hong Li, Wen-Xian Zheng, Li-Na Pang, Shan-Tong Jiang, Ping-Ping Li
ETHNOPHARMACOLOGICAL RELEVANCE: Traditional Chinese medicine Bu-Fei decoction (BFD) has been utilized to treat patients with Qi deficiency for decades, with the advantages of invigorating vital energy, clearing heat-toxin and moistening lung, etc. According to previous clinical experience and trials, BFD has been found to indeed improve life quality of lung cancer patients and prolong survival time. Nevertheless, little is known on its potential mechanisms so far. Being regarded as a pivotal cytokine in the tumor microenvironment, transforming growth factor β (TGF-β) stands out as a robust regulator of epithelial-mesenchymal transition (EMT), which is closely linked to tumor progression...
April 12, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28408965/phospholipase-c-related-catalytically-inactive-protein-can-regulate-obesity-a-state-of-peripheral-inflammation
#8
REVIEW
Yosuke Yamawaki, Kana Oue, Satomi Shirawachi, Satoshi Asano, Kae Harada, Takashi Kanematsu
Obesity is defined as abnormal or excessive fat accumulation. Chronic inflammation in fat influences the development of obesity-related diseases. Many reports state that obesity increases the risk of morbidity in many diseases, including hypertension, dyslipidemia, type 2 diabetes, coronary heart disease, stroke, sleep apnea, and breast, prostate and colon cancers, leading to increased mortality. Obesity is also associated with chronic neuropathologic conditions such as depression and Alzheimer's disease. However, there is strong evidence that weight loss reduces these risks, by limiting blood pressure and improving levels of serum triglycerides, total cholesterol, low-density lipoprotein (LDL)-cholesterol, and high-density lipoprotein (HDL)-cholesterol...
February 2017: Japanese Dental Science Review
https://www.readbyqxmd.com/read/28406605/porous-nanobimetallic-fe-mn-cubes-with-high-valent-mn-and-highly-efficient-removal-of-arsenic-iii
#9
Gong Zhang, Xiufang Xu, Qinghua Ji, Ruiping Liu, Huijuan Liu, Jiuhui Qu, Jinghong Li
Iron (Fe) oxides are the most commonly used adsorbent materials for the aqueous removal of Arsenic (As), but they have deficiencies, including low uptake and poor removal of the relatively higher toxicity As(III). Introduction of transition metals into Fe-containing adsorbents, an inexpensive method of altering Fe chemical states, is likewise of interest for removing As(III) from water by means of adsorption. Porous cubic Fe-Mn structures with BET surface area of 450 m(2) g(-1) were herein prepared via chemical etching of Mn-substituted Prussian Blue analogues (PBAs)...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28404815/the-hepatokine-fgf21-is-crucial-for-peroxisome-proliferator-activated-receptor-%C3%AE-agonist-induced-amelioration-of-metabolic-disorders-in-obese-mice
#10
Tsuyoshi Goto, Mariko Hirata, Yumeko Aoki, Mari Iwase, Haruya Takahashi, Minji Kim, Yongjia Li, Huei-Fen Jheng, Wataru Nomura, Nobuyuki Takahashi, Chu-Sook Kim, Rina Yu, Shigeto Seno, Hideo Matsuda, Megumi Aizawa-Abe, Ken Ebihara, Nobuyuki Itoh, Teruo Kawada
Obesity causes excess fat accumulation in white adipose tissues (WAT) and also in other insulin-responsive organs such as the skeletal muscle, increasing the risk for insulin resistance, which can lead to obesity-related metabolic disorders. Peroxisome proliferator-activated receptor-α (PPARα) is a master regulator of fatty acid oxidation, whose activator is known to improve hyperlipidemia. However, the molecular mechanisms underlying PPARα activator-mediated reduction in adiposity and improvement of metabolic disorders are largely unknown...
April 12, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28392102/creatine-phosphate-administration-in-cell-energy-impairment-conditions-a-summary-of-past-and-present-research
#11
REVIEW
A V Gaddi, P Galuppo, J Yang
BACKGROUND: Creatine phosphate (CrP) plays a fundamental physiological role by providing chemical energy for cell viability and activity, especially in muscle tissue. Numerous pathological conditions, caused by acute or chronic ischaemic situations, are related to its deficiency. For these reasons, it has been used as a cardioprotective agent in heart surgery and medical cardiology for many years. OBJECTIVE: This article gives a brief overview of the main characteristics of exogenous CrP...
March 14, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28388370/will-we-ever-agree-on-protein-requirements-in-the-intensive-care-unit
#12
L John Hoffer, Roland N Dickerson, Robert G Martindale, Stephen A McClave, Juan B Ochoa Gautier
The precise value of the normal adult protein requirement has long been debated. For many reasons-one of them being the difficulty of carrying out long-term nutrition experiments in free-living people-uncertainty is likely to persist indefinitely. By contrast, the controlled environment of the intensive care unit and relatively short trajectory of many critical illnesses make it feasible to use hard clinical outcome trials to determine protein requirements for critically ill patients in well-defined clinical situations...
April 2017: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/28388105/charge-transfer-excitations-from-particle-particle-random-phase-approximation-opportunities-and-challenges-arising-from-two-electron-deficient-systems
#13
Yang Yang, Adriel Dominguez, Du Zhang, Vitalij Lutsker, Thomas A Niehaus, Thomas Frauenheim, Weitao Yang
The particle-particle random phase approximation (pp-RPA) is a promising method for studying charge transfer(CT) excitations. Through a detailed analysis on two-electron deficient systems, we show that the pp-RPA is always able to recover the long-distance asymptotic -1/R trend for CT excitations as a result of the concerted effect between orbital energies and the pp-RPA kernel. We also provide quantitative results for systems with relatively short donor-acceptor distances. With conventional hybrid or range-separated functionals, the pp-RPA performs much better than time-dependent density functional theory (TDDFT), although it still gives underestimated results which are not as good as TDDFT with system-dependent tuned functionals...
March 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28386387/difference-in-food-and-nutrient-intakes-in-korean-elderly-people-according-to-chewing-difficulty-using-data-from-the-korea-national-health-and-nutrition-examination-survey-2013-6th
#14
Song Hee Kwon, Hae Ryun Park, Young Mi Lee, Soo Youn Kwon, Ok Sun Kim, Hee Young Kim, Young Suk Lim
BACKGROUND/OBJECTIVES: Chewing difficulty is a factor contributing to a poor nutritional status in the elderly. The aim of this study was to examine disparities in food and nutrition intakes among Korean elderly people with and without chewing difficulty. SUBJECTS/METHODS: This study utilized data from the sixth Korea National Health and Nutrition Examination Survey conducted in 2013. The study subjects included males and females over 65 years of age who were not required to adhere to a special diet due to disease or sickness...
April 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28352263/cold-stress-and-nitrogen-deficiency-affected-protein-expression-of-psychrotrophic-dyadobacter-psychrophilus-b2-and-pseudomonas-jessenii-mp1
#15
Deep C Suyal, Saurabh Kumar, Amit Yadav, Yogesh Shouche, Reeta Goel
Nitrogen (N) deficiency and low temperature conditions are the prominent facet of Western Himalayan agro-ecosystems. A slight change in the environment alters the protein expression of the microorganisms. Therefore, proteomes of the two psychrotrophs Dyadobacter psychrophilus B2 and Pseudomonas jessenii MP1 were analyzed using two dimensional electrophoresis and MALDI-TOF-MS, to determine the physiological response of altitudinally different but indigenous microorganisms in response to cold stress under N depleting conditions...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28345535/photoactivated-processes-in-optical-fibers-generation-and-conversion-mechanisms-of-twofold-coordinated-si-and-ge-atoms
#16
Luigi Giacomazzi, L Martin-Samos, A Boukenter, Y Ouerdane, S Girard, A Alessi, S de Gironcoli, N Richard
In this work we present an extensive investigation of nanoscale physical phenomena related to oxygen-deficient centers (ODCs) in silica and Ge-doped silica by means of first-principles calculations, including nudged-elastic band, electron paramagnetic resonance parameters calculations, and many-body perturbation theory (GW and Bethe-Salpeter equation) techniques. We show that by neutralizing positively charged oxygen monovacancies we can obtain model structures of twofold Si and Ge defects of which the calculated absorption spectra and singlet-to-triplet transitions are in excellent agreement with the experimental optical absorption and photo-luminescence data...
May 12, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28321633/dietary-intake-of-minerals-vitamins-and-trace-elements-among-geriatric-population-in-india
#17
Aakriti Gupta, Preetika Khenduja, Ravindra Mohan Pandey, Hem Chandra Sati, Nighat Yaseen Sofi, Umesh Kapil
The geriatric population is at a high risk of developing deficiencies of essential micronutrients such as minerals, vitamins, and trace elements and their related deficiency signs and symptoms. Scarce data is available on the dietary intake of essential micronutrients among geriatric subjects in India. Hence, to fill the gap in the existing knowledge, a community-based cross-sectional study was conducted during 2015-2016 in District Nainital, Uttarakhand State, India. A total of 255 geriatric subjects were enrolled from 30 clusters (villages) identified by using population proportionate to size sampling methodology...
March 20, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/28297948/fractally-fourier-decimated-homogeneous-turbulent-shear-flow-in-noninteger-dimensions
#18
Mani Fathali, Saber Khoei
Time evolution of the fully resolved incompressible homogeneous turbulent shear flow in noninteger Fourier dimensions is numerically investigated. The Fourier dimension of the flow field is extended from the integer value 3 to the noninteger values by projecting the Navier-Stokes equation on the fractal set of the active Fourier modes with dimensions 2.7≤d≤3.0. The results of this study revealed that the dynamics of both large and small scale structures are nontrivially influenced by changing the Fourier dimension d...
February 2017: Physical Review. E
https://www.readbyqxmd.com/read/28296314/effect-of-the-normalized-prescription-isodose-line-on-the-magnitude-of-monte-carlo-vs-pencil-beam-target-dose-differences-for-lung-stereotactic-body-radiotherapy
#19
Dandan Zheng, Qinghui Zhang, Xiaoying Liang, Xiaofeng Zhu, Vivek Verma, Shuo Wang, Sumin Zhou
In lung stereotactic body radiotherapy (SBRT) cases, the pencil beam (PB) dose calculation algorithm is known to overestimate target dose as compared to the more accurate Monte Carlo (MC) algorithm. We investigated whether changing the normalized prescription isodose line affected the magnitude of MC vs. PB target dose differences. Forty-eight patient plans and twenty virtual-tumor phantom plans were studied. For patient plans, four alternative plans prescribed to 60%, 70%, 80%, and 90% isodose lines were each created for 12 patients who previously received lung SBRT treatments...
July 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28267864/mitigating-nutrition-and-health-deficiencies-in-older-adults-a-role-for-food-innovation
#20
REVIEW
Sephora Baugreet, Ruth M Hamill, Joseph P Kerry, Sinéad N McCarthy
The aim of this review is to describe the factors contributing to diminished food intake, resulting in nutritional deficiencies and associated health conditions in older adults and proposes food innovation strategies to mitigate these. Research has provided convincing evidence of a link between healthy eating patterns and healthy aging. There is a need to target new food product development (NPD) with functional health benefits specifically designed to address the particular food-related needs of older consumers...
April 2017: Journal of Food Science
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