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https://www.readbyqxmd.com/read/28931157/is-nocturnal-foraging-in-a-tropical-bee-an-escape-from-interference-competition
#1
Adam R Smith, Shannon M Kitchen, Ryan M Toney, Christian Ziegler
Temporal niche partitioning may result from interference competition if animals shift their activity patterns to avoid aggressive competitors. If doing so also shifts food sources, it is difficult to distinguish the effects of interference and consumptive competition in selecting for temporal niche shift. Bees compete for pollen and nectar from flowers through both interference and consumptive competition, and some species of bees have evolved nocturnality. Here, we use tropical forest canopy towers to observe bees (the night-flying sweat bees Megalopta genalis and M...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28931095/-new-recommendations-in-oncocardiology
#2
Csaba András Nagy, Mária Lódi, Ingrid Balogh, Dániel Czuriga, Judit Kocsis
It is well-known that modern oncotherapy significantly reduced the mortality of malignant diseases. However, serious side effects of the applied cancer therapies have evolved, which may adversely affect the cardiovascular system. Early side effects often limit therapeutic success of oncotherapy and may require treatment interruption, while late-onset side effects can adversely influence the long-term survival of patients recovering from cancer. Oncocardiology is a new medical field gaining more and more attention...
September 20, 2017: Magyar Onkologia
https://www.readbyqxmd.com/read/28930998/in-vitro-ovule-cultivation-for-live-cell-imaging-of-zygote-polarization-and-embryo-patterning-in-arabidopsis-thaliana
#3
Daisuke Kurihara, Yusuke Kimata, Tetsuya Higashiyama, Minako Ueda
In most flowering plants, the zygote and embryo are hidden deep in the mother tissue, and thus it has long been a mystery of how they develop dynamically; for example, how the zygote polarizes to establish the body axis and how the embryo specifies various cell fates during organ formation. This manuscript describes an in vitro ovule culture method to perform live-cell imaging of developing zygotes and embryos of Arabidopsis thaliana. The optimized cultivation medium allows zygotes or early embryos to grow into fertile plants...
September 11, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28930483/breastfeeding-characteristics-of-late-preterm-infants-in-a-kangaroo-mother-care-unit
#4
Melissa Pike, Alta Kritzinger, Esedra Krüger
OBJECTIVE: To describe the breastfeeding characteristics of late-preterm infants (LPIs) in a kangaroo mother care (KMC) unit. MATERIALS AND METHODS: In a 20-bed KMC unit, the breastfeeding of 73 purposively-selected LPIs' (mean gestational age: 34.8 weeks) was observed once-off, using the Preterm Infant Breastfeeding Behavior Scale. Participants' mean age was 9.5 days, mean number of days in the unit was 3.1 days, and mean number of days breastfeeding was 7.5 on observation...
September 20, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28930287/exposure-to-human-alveolar-lining-fluid-enhances-mycobacterium-bovis-bcg-vaccine-efficacy-against-mycobacterium-tuberculosis-infection-in-a-cd8-t-cell-dependent-manner
#5
J I Moliva, A P Hossfeld, C H Canan, V Dwivedi, M D Wewers, G Beamer, J Turner, J B Torrelles
Current tuberculosis (TB) treatments include chemotherapy and preventative vaccination with Mycobacterium bovis Bacillus Calmette-Guérin (BCG). In humans, however, BCG vaccination fails to fully protect against pulmonary TB. Few studies have considered the impact of the human lung mucosa (alveolar lining fluid (ALF)), which modifies the Mycobacterium tuberculosis (M.tb) cell wall, revealing alternate antigenic epitopes on the bacterium surface that alter its pathogenicity. We hypothesized that ALF-induced modification of BCG would induce better protection against aerosol infection with M...
September 20, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28929821/effects-of-a-translational-community-based-multimodal-exercise-program-on-quality-of-life-and-the-influence-of-start-delay-on-physical-function-and-quality-of-life-in-breast-cancer-survivors-a-pilot-study
#6
Michael Paul Foley, Scott Michael Hasson, Eydie Kendall
The purpose of this investigation was 2-fold: (1) to investigate the effects of a translational 12-week community-based multimodal exercise program on quality of life (QoL) in breast cancer survivors (BCS) and (2) to examine the influence of a start delay on physical function and QoL in BCS. Fifty-two female BCS completed a 12-week program consisting of 90-minute supervised exercise sessions at a frequency of 2 supervised sessions per week. Exercise sessions consisted of three 30-minute components: (1) aerobic conditioning, (2) resistance exercise training, and (3) balance and flexibility training...
September 1, 2017: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/28929527/music-exposure-and-maturation-of-late-preterm-sleep-wake-cycles-a-randomized-crossover-trial
#7
Adia Stokes, Alexander G Agthe, Dina El Metwally
AIM: To determine the effect of music on sleep-wake cycle (SWC) patterns in late preterm neonates. METHODS: In a masked crossover study, infants between 32-36 6/7 weeks gestation were randomized to music exposure either during the first six or last six hours of a 12-hour observation period. SWC characteristics were determined by continuous amplitude integrated electroencephalography (aEEG) read by two coders masked to exposure sequence. Analysis was done in paired comparisons...
September 20, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28929310/postoperative-radiotherapy-for-prostate-cancer-morbidity-of-local-only-or-local-plus-pelvic-radiotherapy
#8
Cora Waldstein, Wolfgang Dörr, Richard Pötter, Joachim Widder, Gregor Goldner
PURPOSE: The aim of this work was to characterise actuarial incidence and prevalence of early and late side effects of local versus pelvic three-dimensional conformal postoperative radiotherapy for prostate cancer. MATERIALS AND METHODS: Based on a risk-adapted protocol, 575 patients received either local (n = 447) or local-plus-pelvic (n = 128) radiotherapy. Gastrointestinal (GI) and genitourinary (GU) side effects (≥grade 2 RTOG/EORTC criteria) were prospectively assessed...
September 19, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28929209/upper-urinary-tract-effects-after-irreversible-electroporation-ire-of-human-localised-renal-cell-carcinoma-rcc-in-the-irene-pilot-phase-2a-ablate-and-resect-study
#9
J J Wendler, M Pech, J Köllermann, B Friebe, S Siedentopf, S Blaschke, D Schindele, M Porsch, D Baumunk, J Jürgens, F Fischbach, J Ricke, M Schostak, M Böhm, U B Liehr
PURPOSE: Irreversible electroporation (IRE) is a new potential ablation modality for small renal masses. Animal experiments have shown preservation of the urine-collecting system (UCS). The purpose of this clinical study was to perform the first evaluation and comparison of IRE's effects on the renal UCS by using urinary cytology, magnetic-resonance imaging, and resection histology in men after IRE of pT1a renal-cell carcinoma (RCC). METHODS: Seven patients with biopsy-proven RCC pT1a cN0cM0 underwent IRE in a phase 2a pilot ablate-and-resect study (IRENE trial)...
September 19, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28929120/sulodexide-protects-renal-tubular-epithelial-cells-from-oxidative-stress-induced-injury-via-upregulating-klotho-expression-at-an-early-stage-of-diabetic-kidney-disease
#10
Yu Ning Liu, Jingwei Zhou, Tingting Li, Jing Wu, Shu Hua Xie, Hua-Feng Liu, Zhangsuo Liu, Tae Sun Park, Yaoxian Wang, Wei Jing Liu
The hypoalbuminuric effect of sulodexide (SDX) on diabetic kidney disease (DKD) was suggested by some clinical trials but was denied by the Collaborative Study Group. In this study, the diabetic rats were treated with SDX either from week 0 to 24 or from week 13 to 24. We found that 24-week treatment significantly decreased the urinary protein and HAVCR1 excretion, inhibited the interstitial expansion, and downregulated the renal cell apoptosis and interstitial fibrosis. Renoprotection was also associated with a reduction in renocortical/urinary oxidative activity and the normalization of renal klotho expression...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28929077/late-temporal-lobe-extensive-osteoradionecrosis-post-radiation-for-nasopharyngeal-carcinoma-case-series
#11
Chian Ling Tang, Ramesh Kumar, Charng Jeng Toh, Shahizon Azura, Geok Chin Tan, Balwant Singh Gendeh
Osteoradionecrosis is one of the most serious complications of radiotherapy for nasopharyngeal carcinoma. We report three cases of osteoradionecrosis in temporal lobe who presented differently few years after completion of radiotherapy. Cranial magnetic resonance image showed lesions in temporal lobe either unilateral or bilateral with mass effect. One of the cases even showed disease progression few years after the initial diagnosis of osteoradionecrosis. Diagnosis of osteoradionecrosis for all three patients was confirmed by biopsy...
September 2017: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/28928960/the-relationship-between-mucosal-immunity-nasopharyngeal-carriage-asymptomatic-transmission-and-the-resurgence-of-bordetella-pertussis
#12
REVIEW
Christopher Gill, Pejman Rohani, Donald M Thea
The incidence of whooping cough in the US has been rising slowly since the 1970s, but the pace of this has accelerated sharply since acellular pertussis vaccines replaced the earlier whole cell vaccines in the late 1990s. A similar trend occurred in many other countries, including the UK, Canada, Australia, Ireland, and Spain, following the switch to acellular vaccines. The key question is why. Two leading theories (short duration of protective immunologic persistence and evolutionary shifts in the pathogen to evade the vaccine) explain some but not all of these shifts, suggesting that other factors may also be important...
2017: F1000Research
https://www.readbyqxmd.com/read/28928755/different-preclimacteric-events-in-apple-cultivars-with-modified-ripening-physiology
#13
Vikram Singh, Asya Weksler, Haya Friedman
"Anna" is an early season apple cultivar exhibiting a fast softening and juiciness loss during storage, in comparison to two mid-late season cultivars "Galaxy" and "GD." The poor storage capacity of "Anna" was correlated with high lipid oxidation-related autoluminescence, high respiration and ethylene production rates, associated with high expression of MdACO1, 2, 4, 7, and MdACS1. All cultivars at harvest responded to exogenous ethylene by enhancing ethylene production, typical of system-II. The contribution of pre-climacteric events to the poor storage capacity of "Anna" was examined by comparing respiration and ethylene production rates, response to exogenous ethylene, expression of genes responsible for ethylene biosynthesis and response, and developmental regulators in the three cultivars throughout fruit development...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28928709/insight-into-metabolic-1-h-mrs-changes-in-natalizumab-induced-progressive-multifocal-leukoencephalopathy-brain-lesions
#14
Ruth Schneider, Barbara Bellenberg, Robert Hoepner, Gisa Ellrichmann, Ralf Gold, Carsten Lukas
BACKGROUND: Progressive multifocal leukoencephalopathy (PML) is a severe complication of immunosuppressive therapies, especially of natalizumab in relapsing-remitting multiple sclerosis (MS). Metabolic changes within PML lesions have not yet been described in natalizumab-associated PML in MS patients. OBJECTIVE: To study metabolic profiles in natalizumab-associated PML lesions of MS patients by (1)H magnetic resonance spectroscopy ((1)H-MRS) at different stages during the PML course...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28928676/effects-of-immune-activation-during-early-or-late-gestation-on-n-methyl-d-aspartate-receptor-measures-in-adult-rat-offspring
#15
Tasnim Rahman, Katerina Zavitsanou, Tertia Purves-Tyson, Lauren R Harms, Crystal Meehan, Ulrich Schall, Juanita Todd, Deborah M Hodgson, Patricia T Michie, Cyndi Shannon Weickert
BACKGROUND: Glutamatergic receptor [N-methyl-d-aspartate receptor (NMDAR)] alterations within cortex, hippocampus, and striatum are linked to schizophrenia pathology. Maternal immune activation (MIA) is an environmental risk factor for the development of schizophrenia in offspring. In rodents, gestational timing of MIA may result in distinct behavioral outcomes in adulthood, but how timing of MIA may impact the nature and extent of NMDAR-related changes in brain is not known. We hypothesize that NMDAR-related molecular changes in rat cortex, striatum, and hippocampus are induced by MIA and are dependent on the timing of gestational inflammation and sex of the offspring...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28928653/age-related-decline-in-anticipatory-motor-planning-and-its-relation-to-cognitive-and-motor-skill-proficiency
#16
Tino Stöckel, Kathrin Wunsch, Charmayne M L Hughes
Anticipatory motor planning abilities mature as children grow older, develop throughout childhood and are likely to be stable till the late sixties. In the seventh decade of life, motor planning performance dramatically declines, with anticipatory motor planning abilities falling to levels of those exhibited by children. At present, the processes enabling successful anticipatory motor planning in general, as do the cognitive processes mediating these age-related changes, remain elusive. Thus, the aim of the present study was (a) to identify cognitive and motor functions that are most affected by normal aging and (b) to elucidate key (cognitive and motor) factors that are critical for successful motor planning performance in young (n = 40, mean age = 23...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28928087/complement-factor-h-in-amd-bridging-genetic-associations-and-pathobiology
#17
REVIEW
Christopher B Toomey, Lincoln V Johnson, Catherine Bowes Rickman
AMD is a complex multifactorial disease characterized in its early stages by lipoprotein accumulations in BrM, seen on fundoscopic exam as drusen, and in its late forms by neovascularization ("wet") or geographic atrophy of the RPE cell layer ("dry"). Genetic studies have strongly supported a relationship between the alternative complement cascade, in particular the common H402 variant in Complement Factor H (CFH) and development of AMD. However, the functional significance of the CFH Y402H polymorphism remains elusive...
September 16, 2017: Progress in Retinal and Eye Research
https://www.readbyqxmd.com/read/28928044/electrocardiographic-biomarkers-to-confirm-drug-s-electrophysiological-effects-used-for-proarrhythmic-risk-prediction-under-cipa
#18
Jose Vicente, Meisam Hosseini, Lars Johannesen, David G Strauss
The ECG plays a critical role in the thorough QT study. This clinical study is part of the assessment of proarrhythmic potential of drugs under the current regulatory paradigm. While the current paradigm has been successful in preventing drugs with unexpected QT prolongation or torsade risk from reaching the market, the focus on QT prolongation has likely resulted in potentially beneficial compounds with minimal torsade risk being dropped from development. The Comprehensive in vitro Proarrhythmia Assay (CiPA) initiative is developing and validating a new mechanistic-based paradigm for cardiac safety evaluation of drugs...
August 9, 2017: Journal of Electrocardiology
https://www.readbyqxmd.com/read/28928038/reach-and-effectiveness-of-the-national-diabetes-prevention-program-for-young-women
#19
Natalie D Ritchie, Katherine A Sauder, Stefka Fabbri
INTRODUCTION: Reducing obesity and diabetes risks among women of child-bearing age is urgently needed to halt the transgenerational cycle of disease. Interventions among pregnant women have largely been ineffective and may be initiated too late to improve maternal and child health. The National Diabetes Prevention Program is a widely disseminated lifestyle intervention that may help mitigate risks before pregnancy. However, the program has targeted relatively older adults, and effectiveness among women of child-bearing age remains largely unknown...
September 16, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28927806/-aging-prevention-new-surgical-techniques-and-future-options-for-facial-rejuvenation
#20
C Le Louarn
Prevention of aging is mainly obtained through appropriate health practices, modulated by the genetic causes of aging. Causes of facial structural aging include gravity, volume loss, contraction of the mimic muscles and obviously biological aging of tissues. Among the very numerous new surgical technique of facial rejuvenation, we could point out: for the frontal region, obviously we are focus on the endoscopic and non-endoscopic frontal lifts. But also, we should note the transcutaneous Brow Shaping which with a well defined, step by step technique is indeed a simple way to improve a possible difficult situation; concerning the mid-face lift, as the main risk is the secondary eyelid malposition, a high Smas or a temporo-malar lift can be performed...
September 15, 2017: Annales de Chirurgie Plastique et Esthétique
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