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https://www.readbyqxmd.com/read/28109073/cyclin-dependent-kinase-inhibitor-3-promotes-cancer-cell-proliferation-and-tumorigenesis-in-nasopharyngeal-carcinoma-by-targeting-p27
#1
Huimin Wang, Hexin Chen, Hang Zhou, Wenfa Yu, Zhenmin Lu
Nasopharyngeal carcinoma (NPC) is a common head and neck malignancy with high invasion which arises from the nasopharynx epithelium. Cyclin-dependent kinase inhibitor 3 (CDKN3) belongs to the dual-specificity protein phosphatase family which plays a key role in regulating cell division. Abnormal expression of CDKN3 has been found in numerous types of cancer. In the current study, we explored the possible role of CDKN3 in cell proliferation, invasion ability and radiosensitivity in NPC cells. We reported that CDKN3 was upregulated and P27 was downregulated in NPC tissues and associated with worse patient prognosis...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28107813/prevalence-of-frailty-in-canadians-18-79-years-old-in-the-canadian-health-measures-survey
#2
Dustin Scott Kehler, Thomas Ferguson, Andrew N Stammers, Clara Bohm, Rakesh C Arora, Todd A Duhamel, Navdeep Tangri
BACKGROUND: There is little certainty as to the prevalence of frailty in Canadians in younger adulthood. This study examines and compares the prevalence of frailty in Canadians 18-79 years old using the Accumulation of Deficits and Fried models of frailty. METHODS: The Canadian Health Measures Study data were used to estimate the prevalence of frailty in adults 18-79 years old. A 23-item Frailty Index using the Accumulation of Deficits Model (cycles 1-3; n = 10,995) was developed; frailty was defined as having the presence of 25% or more indices, including symptoms, chronic conditions, and laboratory variables...
January 21, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28107697/egcg-a-tea-polyphenol-as-a-potential-mitigator-of-hematopoietic-radiation-injury-in-mice
#3
Mrinalini Tiwari, Bhakti Dixit, Suhel Parvez, Paban K Agrawala
Agents capable of providing protection, mitigation or therapy against radiation injuries have long been of interest of radiation biologists owing to the ever expanding application of radiation in our day to day life despite the well reported ill effects of exposure. The current study investigates radiomitigating potential of EGCG (epigallocatechin gallate), a tea polyphenol with known DNMT inhibitory property, in C57 Bl/6 mice model. Treatment with 0.1833mg/kg body weight EGCG, 1.5h post-irradiation to lethally whole body irradiated mice rendered 45% survival for 30days and also helped restoring the body weight of the animals...
January 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28107410/prognostic-impact-of-ct-quantified-muscle-and-fat-distribution-before-and-after-first-line-chemotherapy-in-lung-cancer-patients
#4
Johanna Nattenmüller, Raoul Wochner, Thomas Muley, Martin Steins, Simone Hummler, Birgit Teucher, Joachim Wiskemann, Hans-Ulrich Kauczor, Mark Oliver Wielpütz, Claus Peter Heussel
INTRODUCTION: Cachexia and sarcopenia are associated with poor outcome and increased chemotherapy-induced toxicity in lung cancer patients. However, the complex interplay of obesity, sarcopenia and cachexia, and its impact on survival in the context of first-line-chemotherapy is not yet understood. METHODS: In 200 consecutively recruited lung cancer patients (70 female, mean age 62y; mean BMI 25 kg/m2; median follow-up 15.97 months) with routine staging-CT before and after chemotherapy (CTX, mean interval: 4...
2017: PloS One
https://www.readbyqxmd.com/read/28106783/extract-of-polygala-tenuifolia-alleviates-stress-exacerbated-atopy-like-skin-dermatitis-through-the-modulation-of-protein-kinase-a-and-p38-mitogen-activated-protein-kinase-signaling-pathway
#5
Bongjun Sur, Bombi Lee, Ye Seul Yoon, Pooreum Lim, Riwon Hong, Mijung Yeom, Hyang Sook Lee, Hijoon Park, Insop Shim, Hyejung Lee, Young Pyo Jang, Dae-Hyun Hahm
Atopic dermatitis (AD) and stress create a vicious cycle: stress exacerbates atopic symptoms, and atopic disease elicits stress and anxiety. Targeting multiple pathways including stress and allergic inflammation is, therefore, important for treating AD. In this study, we investigated the remedial value of Polygala tenuifolia Willd. (PTW) for treating immobilization (IMO) stress-exacerbated atopy-like skin dermatitis and its underlying mechanism. Trimellitic anhydride (TMA) was applied to dorsal skin for sensitization and subsequently both ears for eliciting T-cell-dependent contact hypersensitivity in mice, which underwent 2 h-IMO stress and PTW administration for the latter 6 and 9 days in the ear exposure period of TMA, respectively...
January 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106759/sex-specific-muscular-maturation-responses-following-prenatal-exposure-to-methylation-related-micronutrients-in-pigs
#6
Michael Oster, Nares Trakooljul, Henry Reyer, Annette Zeyner, Eduard Muráni, Siriluck Ponsuksili, Klaus Wimmers
Supplementation of micronutrients involved in DNA methylation, particularly during pregnancy, is recommended because of its impacts on human health, but further evidence is needed regarding the effects of over-supplementation and differences between sexes. Here, a porcine model was used to assess effects of maternal supplementation with one-carbon-cycle compounds during prenatal and postnatal stages on offspring muscle development. Sows received either a standard diet (CON) or a standard diet supplemented with folate, B6, B12, methionine, choline, and zinc (MET) throughout gestation...
January 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28106735/mass-spectrometry-based-metabolomic-and-lipidomic-analyses-of-the-effects-of-dietary-platycodon-grandiflorum-on-liver-and-serum-of-obese-mice-under-a-high-fat-diet
#7
Hye Min Park, Kab-Tae Park, Edmond Changkyun Park, Seung Ii Kim, Myung Sook Choi, Kwang-Hyeon Liu, Choong Hwan Lee
We aimed to identify metabolites involved in the anti-obesity effects of Platycodon grandiflorum (PG) in high-fat diet (HFD)-fed mice using mass spectrometry (MS)-based metabolomic techniques. C57BL/6J mice were divided into four groups: normal diet (ND)-fed mice, HFD-fed mice, HFD with 1% PG extract-fed mice (HPGL), and HFD with 5% PG extract-fed mice (HPGH). After 8 weeks, the HFD group gained more weight than the ND group, while dietary 5% PG extract attenuated this change. The partial least squares discriminant analysis (PLS-DA) score plots showed a clear distinction between experimental groups in serum and liver markers...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28105486/immobilization-of-alkaline-polygalacturonate-lyase-from-bacillus-subtilis-on-the-surface-of-bacterial-polyhydroxyalkanoate-nano-granules
#8
GanQiao Ran, Dan Tan, WeiEr Dai, XinLiang Zhu, JiPing Zhao, Qi Ma, XiaoYun Lu
Alkaline polygalacturonate lyase (PGL), one of the pectinolytic enzymes, has been widely used for the bioscouring of cotton fibers, biodegumming, and biopulp production. In our study, PGL from Bacillus subtilis was successfully immobilized on the surface of polyhydroxyalkanoate (PHA) nanogranules by fusing PGL to the N-terminal of PHA synthase from Ralstonia eutropha via a designed linker. The PGL-decorated PHA beads could be simply achieved by recombinant fermentation and consequent centrifugation. The fused PGL occupied 0...
January 20, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28104750/gene-networks-in-skeletal-muscle-following-endurance-exercise-are-co-expressed-in-blood-neutrophils-and-linked-with-blood-inflammation-markers
#9
James A Broadbent, Dayle Sampson, Surendran Sabapathy, Luke J Haseler, Karl-Heinz Wagner, Andrew Cameron Bulmer, Jonathan M Peake, Oliver Neubauer
It remains incompletely understood whether there is an association between the transcriptome profiles of skeletal muscle and blood leukocytes in response to exercise or other physiological stressors. We have previously analyzed the changes in the muscle and blood neutrophil transcriptome in eight trained men before and 3 h, 48 h and 96 h after 2 h cycling and running. Because we collected muscle and blood in the same individuals and under the same conditions, we were able to directly compare gene expression between the muscle and blood neutrophils...
January 19, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28102159/x-rays-for-acute-knee-injuries-pre-and-post-pittsburgh-decision-rules-implementation-a-district-general-hospital-experience
#10
Saad R El Ashry, Tarek A El Gamal, Sudhakar R Challagundla, Chara A Ntala, Ahmed M Nagy, Evan O Crane
BACKGROUND: We wanted to assess the number of unnecessary radiographs done for acute knee injury patients and the accuracy of the Pittsburgh decision rules. MATERIAL AND METHODS: A retrospective observational study was done to look at the acute knee injury patients presented to a district general hospital Accident and Emergency Department from August 2011 till August 2013. We assessed the following parameters: sex, age, mechanism of injury, weight-bearing status and incidence of fractures in patients subjected to plain radiograph...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28100843/pathophysiology-and-molecular-basis-of-selected-metabolic-abnormalities-in-huntington-s-disease
#11
Jolanta Krzysztoń-Russjan
Huntington's disease (HD) is an incurable, devastating neurodegenerative disease with a known genetic background and autosomally dominant inheritance pattern. HTT gene mutation (mHTT) is associated with polymorphic fragment elongation above 35 repeats of the CAG triplet. The mHTT product is an altered protein with a poly-Q elongated fragment, with the highest expression determined in the central nervous system (CNS) and with differentiated expression outside the CNS. A drastic loss of striatal and deeper layers of the cerebral cortex neurons was determined in the CNS, but muscle and body weight mass loss with dysfunction of many organs was also observed...
December 30, 2016: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28100416/a-retrospective-analysis-of-the-clinical-effects-of-neoadjuvant-combination-therapy-with-full-dose-gemcitabine-and-radiation-therapy-in-patients-with-biliary-tract-cancer
#12
S Kobayashi, A Tomokuni, K Gotoh, H Takahashi, H Akita, S Marubashi, T Yamada, T Teshima, K Fukui, Y Fujiwara, M Sakon
PURPOSE: This study aims to evaluate survival and the objective response to neoadjuvant combination therapy with gemcitabine and radiation therapy in patients with biliary tract cancer. METHODS: The chemoradiation therapy regimen consisted of 3 cycles of full-dose gemcitabine (1000 mg/m(2) at days 1, 8, and 15, every 4 weeks) with 50-60 Gy radiation. We compared 27 patients who received neoadjuvant chemoradiation therapy and 79 patients who were treated without neoadjuvant therapy...
January 11, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28099477/chronic-maternal-low-protein-diet-in-mice-affects-anxiety-night-time-energy-expenditure-and-sleep-patterns-but-not-circadian-rhythm-in-male-offspring
#13
Randy F Crossland, Alfred Balasa, Rajesh Ramakrishnan, Sangeetha K Mahadevan, Marta L Fiorotto, Ignatia B Van den Veyver
Offspring of murine dams chronically fed a protein-restricted diet have an increased risk for metabolic and neurobehavioral disorders. Previously we showed that adult offspring, developmentally exposed to a chronic maternal low-protein (MLP) diet, had lower body and hind-leg muscle weights and decreased liver enzyme serum levels. We conducted energy expenditure, neurobehavioral and circadian rhythm assays in male offspring to examine mechanisms for the body-weight phenotype and assess neurodevelopmental implications of MLP exposure...
2017: PloS One
https://www.readbyqxmd.com/read/28099421/estimation-of-adult-and-neonatal-rbc-lifespans-in-anemic-neonates-using-rbcs-labeled-at-several-discrete-biotin-densities
#14
Denison J Kuruvilla, John A Widness, Demet Nalbant, Robert L Schmidt, Donald M Mock, Guohua An, Peter Veng-Pedersen
BACKGROUND: Prior conclusions that autologous neonatal red blood cells (RBC) have substantially shorter lifespans than allogeneic adult RBCs were not based on direct comparison of autologous neonatal vs. allogeneic adult RBCs performed concurrently in the same infant. Biotin labeling of autologous neonatal RBCs and allogeneic adult donor RBCs permits concurrent direct comparison of autologous vs. allogeneic RBC lifespan. METHODS: RBCs from 15 allogeneic adult donors and from 15 very low birth weight (VLBW) neonates were labeled at separate biotin densities and transfused simultaneously into the 15 neonates...
January 18, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28099126/aminoguanidine-pretreatment-prevents-methotrexate-induced-small-intestinal-injury-in-the-rat-by-attenuating-nitrosative-stress-and-restoring-the-activities-of-vital-mitochondrial-enzymes
#15
Kasthuri Natarajan, Premila Abraham, Rekha Kota, Dhayakani Selvakumar
BACKGROUND: One of the major toxic side effects of methotrexate (MTX) is enterocolitis, for which there is no efficient standard treatment. Nitric oxide overproduction has been reported to play an important role in MTX-induced mucositis. This study was designed to investigate whether pretreatment with aminoguanidine (AG) - a selective iNOS inhibitor - prevents MTX-induced mucositis in rats. MATERIALS AND METHODS: Rats were pretreated with AG (30 and 50 mg/kg body weight) i...
January 18, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28097927/assessment-and-comparison-of-three-high-aluminum-fly-ash-utilization-scenarios-in-inner-mongolia-china-using-an-eco-efficiency-indicator
#16
Shuo Yang, Ling Lin, Shao Peng Li, Qiang Li, Xiu Teng Wang, Liang Sun
Utilization of fly ash is of great importance in China in the context of resource and environmental crises. Different fly ash utilization processes are proposed, and some have been practically applied. However, none of these fly ash utilization pathways has been evaluated comprehensively by integrating both environmental and economic perspectives. In this study, three high-aluminum fly ash utilization methods in Mongolia were assessed and compared based on the concept of eco-efficiency. The environmental assessment was conducted in accordance with life-cycle assessment principles, and a monetization-weighting approach was applied to obtain social willingness-to-pay as a reflection of environmental impact...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28096251/healthcare-resource-consumption-for-intermittent-urinary-catheterisation-cost-effectiveness-of-hydrophilic-catheters-and-budget-impact-analyses
#17
Carla Rognoni, Rosanna Tarricone
OBJECTIVES: This study presents a cost-effectiveness analysis comparing hydrophilic coated to uncoated catheters for patients performing urinary intermittent catheterisation. A national budget impact analysis is also included to evaluate the impact of intermittent catheterisation for management of bladder dysfunctions over a period of 5 years. DESIGN: A Markov model (lifetime horizon, 1 year cycle length) was developed to project health outcomes (life years and quality-adjusted life years) and economic consequences related to patients using hydrophilic coated or uncoated catheters...
January 17, 2017: BMJ Open
https://www.readbyqxmd.com/read/28095303/gd-dtpa-induced-dynamic-metabonomic-changes-in-rat-biofluids
#18
Chuanling Wan, Youyang Zhan, Rong Xue, Yijie Wu, Xiaojing Li, Fengkui Pei
OBJECTIVES: The purposes of this study were (1) to detect the dynamic metabonomic changes induced by gadopentetate dimeglumine (Gd-DTPA) and (2) to investigate the potential metabolic disturbances associated with the pathogenesis of nephrogenic systemic fibrosis (NSF) at the early stage. METHODS: A nuclear magnetic resonance (NMR)-based metabolomics approach was used to investigate the urinary and serum metabolic changes induced by a single tail vein injection of Gd-DTPA (dosed at 2 and 5mmol/kg body weight) in rats...
January 14, 2017: Magnetic Resonance Imaging
https://www.readbyqxmd.com/read/28094804/six-years-in-the-life-of-a-mother-bear-the-longest-continuous-heart-rate-recordings-from-a-free-ranging-mammal
#19
Timothy G Laske, Paul A Iaizzo, David L Garshelis
Physiological monitoring of free-ranging wild animals is providing new insights into their adaptations to a changing environment. American black bears (Ursus americanus) are highly adaptable mammals, spending up to half the year hibernating, and the remainder of the year attempting to gain weight on a landscape with foods that vary seasonally and year to year. We recorded heart rate (HR) and corresponding activity of an adult female black bear over the course of six years, using an implanted monitor. Despite yearly differences in food, and an every-other year reproductive cycle, this bear exhibited remarkable consistency in HR and activity...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28092566/wake-up-exoskeleton-to-assist-children-with-cerebral-palsy-design-and-preliminary-evaluation-in-level-walking
#20
Fabrizio Patane, Stefano Rossi, Fausto Del Sette, Juri Taborri, Paolo Cappa
This paper presents the modular design and control of a novel compliant lower limb multi-joint exoskeleton for the rehabilitation of ankle knee mobility and locomotion of pediatric patients with neurological diseases, such as Cerebral Palsy (CP). The device consists of an untethered powered knee-ankle-foot orthosis (KAFO), addressed as WAKE-up (Wearable Ankle Knee Exoskeleton), characterized by a position control and capable of operating synchronously and synergistically with the human musculoskeletal system...
January 11, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
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