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https://www.readbyqxmd.com/read/28434200/land-use-for-animal-production-in-global-change-studies-defining-and-characterizing-a-framework
#1
Leanne N Phelps, Jed O Kaplan
Land use for animal production influences the earth system in a variety of ways, including local-scale modification to biodiversity, soils, and nutrient cycling; regional changes in albedo and hydrology; and global-scale changes in greenhouse gas and aerosol concentrations. Pasture is furthermore the single most extensive form of land cover, currently comprising about 22 - 26% of the earth's ice-free land surface. Despite the importance and variable expressions of animal production, distinctions among different systems are effectively absent from studies of land use and land cover change...
April 23, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28434192/modified-ipswich-procedure-patient-perceived-benefit-and-surgical-outcomes-in-a-series-of-ten-patients
#2
Blazej Staniszewski, Richard Green, Graeme Sharpe, Paul White
Acquired nasolacrimal duct obstruction (NLO) causes symptoms of epiphora which can be associated with stickiness, dacryocystitis and interference with tear film causing visual blurring [1]. The annual incidence rate of NLO is 20 per 100,000, with the majority of patients being females above the age of 66 years [2]. While the aetiology is usually unknown, the site of obstruction is more commonly distal and invariably amenable to treatment by DCR surgery [3-4]. Proximal NLO at the level of the cancaliculi is less common but may still be treatable by extended DCR techniques including canalulostomy...
April 23, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28434176/persistent-and-recurrent-hyperparathyroidism
#3
REVIEW
Carole Guerin, Nunzia Cinzia Paladino, Aoife Lowery, Fréderic Castinetti, David Taieb, Fréderic Sebag
Despite remarkable progress in imaging modalities and surgical management, persistence or recurrence of primary hyperparathyroidism (PHPT) still occurs in 2.5-5% of cases of PHPT. The aim of this review is to expose the management of persistent and recurrent hyperparathyroidism. A literature search was performed on MEDLINE using the search terms "recurrent" or "persistent" and "hyperparathyroidism" within the past 10 years. We also searched the reference lists of articles identified by this search strategy and selected those we judged relevant...
April 22, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28434147/increasing-the-safety-and-efficacy-of-chimeric-antigen-receptor-t-cell-therapy
#4
REVIEW
Hua Li, Yangbing Zhao
Chimeric antigen receptor (CAR) T cell therapy is a promising cancer treatment that has recently been undergoing rapid development. However, there are still some major challenges, including precise tumor targeting to avoid off-target or "on-target/off-tumor" toxicity, adequate T cell infiltration and migration to solid tumors and T cell proliferation and persistence across the physical and biochemical barriers of solid tumors. In this review, we focus on the primary challenges and strategies to design safe and effective CAR T cells, including using novel cutting-edge technologies for CAR and vector designs to increase both the safety and efficacy, further T cell modification to overcome the tumor-associated immune suppression, and using gene editing technologies to generate universal CAR T cells...
April 22, 2017: Protein & Cell
https://www.readbyqxmd.com/read/28434124/comparative-outcome-of-pfna-gamma-nails-pccp-medoff-plate-liss-and-dynamic-hip-screws-for-fixation-in-elderly-trochanteric-fractures-a-systematic-review-and-network-meta-analysis-of-randomized-controlled-trials
#5
Alisara Arirachakaran, Tanawat Amphansap, Pichaya Thanindratarn, Peerapong Piyapittayanun, Phutsapong Srisawat, Jatupon Kongtharvonskul
The ideal implant for the treatment of an unstable intertrochanteric femoral fracture is still a matter of discussion. The aim of this systematic review is to conduct a network meta-analysis of randomized controlled trials (RCTs) comparing clinical outcomes between dynamic hip screws (DHS), Medoff sliding plating, percutaneous compression plating (PCCP), proximal femoral nails (PFN), Gamma nails and less invasive stabilization system fixation in femoral trochanteric fractures in the elderly. These clinical outcomes consist of total intra-operative time, intra-operative fluoroscopy time, intra-operative blood loss, blood component transfusion, length of hospital stay, postoperative general complications, wound complications, late complications and reoperation rates...
April 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28434101/predicting-dream-recall-eeg-activation-during-nrem-sleep-or-shared-mechanisms-with-wakefulness
#6
Serena Scarpelli, Aurora D'Atri, Anastasia Mangiaruga, Cristina Marzano, Maurizio Gorgoni, Cinzia Schiappa, Michele Ferrara, Luigi De Gennaro
The common knowledge of a uniqueness of REM sleep as a privileged scenario of dreaming still persists, although consolidated empirical evidence shows that the assumption that dreaming is just an epiphenomenon of REM sleep is no longer tenable. However, the brain mechanisms underlying dream generation and its encoding in memory during NREM sleep are still mostly unknown. In fact, only few studies have investigated on the mechanisms of dream phenomenology related to NREM sleep. For this reason, our study is specifically aimed to elucidate the electrophysiological (EEG) correlates of dream recall (DR) upon NREM sleep awakenings...
April 22, 2017: Brain Topography
https://www.readbyqxmd.com/read/28434057/predictive-control-of-intersegmental-tarsal-movements-in-an-insect
#7
Alicia Costalago-Meruelo, David M Simpson, Sandor M Veres, Philip L Newland
In many animals intersegmental reflexes are important for postural and movement control but are still poorly undesrtood. Mathematical methods can be used to model the responses to stimulation, and thus go beyond a simple description of responses to specific inputs. Here we analyse an intersegmental reflex of the foot (tarsus) of the locust hind leg, which raises the tarsus when the tibia is flexed and depresses it when the tibia is extended. A novel method is described to measure and quantify the intersegmental responses of the tarsus to a stimulus to the femoro-tibial chordotonal organ...
April 22, 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28434047/late-renal-toxicity-of-treatment-for-childhood-malignancy-risk-factors-long-term-outcomes-and-surveillance
#8
Roderick Skinner
Chronic glomerular and tubular nephrotoxicity is reported in 20-50% and 20-25%, respectively, of children and adolescents treated with ifosfamide and 60-80% and 10-30%, respectively, of those given cisplatin. Up to 20% of children display evidence of chronic glomerular damage after unilateral nephrectomy for a renal tumour. Overall, childhood cancer survivors have a ninefold higher risk of developing renal failure compared with their siblings. Such chronic nephrotoxicity may have multiple causes, including chemotherapy, radiotherapy exposure to kidneys, renal surgery, supportive care drugs and tumour-related factors...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28434019/recent-developments-in-olive-olea-europaea-l-genetics-and-genomics-applications-in-taxonomy-varietal-identification-traceability-and-breeding
#9
REVIEW
L Sebastiani, M Busconi
The latest results in DNA markers application and genomic studies in olive. Olive (Olea europaea L.) is among the most ancient tree crops worldwide and the source of oil beneficial for human health. Despite this, few data on olive genetics are available in comparison with other cultivated plant species. Molecular information is mainly linked to molecular markers and their application to the study of DNA variation in the Olea europaea complex. In terms of genomic research, efforts have been made in sequencing, heralding the era of olive genomic...
April 22, 2017: Plant Cell Reports
https://www.readbyqxmd.com/read/28434015/low-lymphatic-vessel-density-associates-with-chronic-rhinosinusitis-with-nasal-polyps
#10
A Luukkainen, M Seppälä, J Renkonen, R Renkonen, J Hagström, H Huhtala, M Rautiainen, J Myller, T Paavonen, A Ranta, T Torkkeli, S Toppila-Salmi
OBJECTIVES: Chronic rhinosinusitis with and without nasal polyps (CRSwNP and CRSsNP) and antrochoanal polyps (ACP) are different upper airway inflammation phenotypes with different pathomechanisms. In order to understand the development of tissue edema, the present study aimed to evaluate lymphatic vessel density in CRSsNP, CRSwNP and ACP. MATERIALS AND METHODS: 120 retrospective nasal and maxillary sinus specimens were stained immunohistochemically with a von Willebrand factor polyclonal antibody recognizing vascular and lymphatic endothelium, and with a podoplanin monoclonal antibody recognizing lymphatic endothelium...
April 23, 2017: Rhinology
https://www.readbyqxmd.com/read/28434004/what-do-medical-students-know-about-deep-brain-stimulation
#11
Andreas Wloch, Assel Saryyeva, Hans E Heissler, Christoph Schrader, H Holger Capelle, Joachim K Krauss
BACKGROUND: Deep brain stimulation (DBS) is an established therapy for movement disorders. It is currently under investigation in neuropsychiatric disorders. Neurophobia is a common phenomenon that might have a negative impact in medical education. Little is known about medical students' knowledge about DBS when they enter university and what they learn about it during their medical formation. METHODS: A 10-item questionnaire was designed. Questions addressed indications for DBS, costs of DBS, complications, the percentage of Parkinson disease (PD) patients who might profit from DBS, etc...
April 22, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28433941/self-assembled-dual-responsive-micelles-stabilized-with-protein-for-co-delivery-of-drug-and-sirna-in-cancer-therapy
#12
M R Aji Alex, Chetan Nehate, Srivani Veeranarayanan, D Sakthi Kumar, Ritu Kulshreshtha, Veena Koul
Design of safe and efficient vehicles for the combinatorial delivery of drugs and genetic agents is an emerging requisite for achieving enhanced therapeutic effect in cancer. Even though several nanoplatforms have been explored for the co-delivery of drugs and genetic materials the translation of these systems to clinical phase is still a challenge, mainly due to tedious synthesis procedures, lack of serum stability, inefficient scalability etc. Here in, we report development of reduction and pH sensitive polymeric graft of low molecular weight poly (styrene -alt -maleic anhydride) and evaluation of its efficacy in co-delivering drug and siRNA...
April 17, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433938/imaging-lysosomal-highly-reactive-oxygen-species-and-lighting-up-cancer-cells-and-tumors-enabled-by-a-si-rhodamine-based-near-infrared-fluorescent-probe
#13
Hongxing Zhang, Jing Liu, Chenlu Liu, Pengcheng Yu, Minjia Sun, Xiaohan Yan, Jian-Ping Guo, Wei Guo
Lysosomes have recently been regarded as the attractive pharmacological targets for selectively killing of cancer cells via lysosomal cell death (LCD) pathway that is closely associated with reactive oxygen species (ROS). However, the details on the ROS-induced LCD of cancer cells are still poorly understood, partially due to the absence of a lysosome-targetable, robust, and biocompatible imaging tool for ROS. In this work, we brought forward a Si-rhodamine-based fluorescent probe, named PSiR, which could selectively and sensitively image the pathologically more relavent highly reactive oxygen species (hROS: HClO, HO, and ONOO(-)) in lysosomes of cancer cells...
April 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433937/perturbation-effect-of-reduced-graphene-oxide-quantum-dots-rgoqds-on-aryl-hydrocarbon-receptor-ahr-pathway-in-zebrafish
#14
Jing-Hui Zhang, Tai Sun, Aping Niu, Yu-Mei Tang, Shun Deng, Wei Luo, Qun Xu, Dapeng Wei, De-Sheng Pei
Graphene quantum dots (GQDs) has been widely used in enormous fields, however, the inherent molecular mechanism of GQDs for potential risks in biological system is still elusive to date. In this study, the outstanding reduced graphene quantum dots (rGOQDs) with the QY as high as 24.62% were successfully synthesized by the improved Hummers method and DMF hydrothermal treatment approach. The rGOQDs were N-doped photoluminescent nanomaterials with functional groups on the surface. The fluorescent bio-imaging was performed by exposing zebrafish in different concentrations of the as-prepared rGOQDs, and the distribution of rGOQDs was successfully observed...
April 15, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433921/a-contribution-to-the-phylogeny-of-agglutinating-arcellinida-amoebozoa-based-on-ssu-rrna-gene-sequences
#15
Fatma Gomaa, Daniel J G Lahr, Milcho Todorov, Jingchun Li, Enrique Lara
Arcellinid testate amoebae include a wide variety of amoeboid organisms whose test (shell) varies in shape, composition and size. A decade ago, we initiated molecular phylogenetic analyses based on SSU rRNA gene sequences and a taxonomic revision of Arcellinida. However, many lineages within Arcellinida still lack molecular data, and the phylogeny of this group is largely incomplete. In this study, we obtained SSU rRNA gene sequences from seven taxa, of which six have agglutinated shell (Difflugia oblonga, D...
April 3, 2017: European Journal of Protistology
https://www.readbyqxmd.com/read/28433905/pretreating-wheat-straw-by-phosphoric-acid-plus-hydrogen-peroxide-for-enzymatic-saccharification-and-ethanol-production-at-high-solid-loading
#16
Jingwen Qiu, Lunjie Ma, Fei Shen, Gang Yang, Yanzong Zhang, Shihuai Deng, Jing Zhang, Yongmei Zeng, Yaodong Hu
Wheat straw was pretreated by phosphoric acid plus hydrogen peroxide (PHP) for enzymatic hydrolysis and ethanol fermentation at high solid loadings. Results indicated solid loading could reach 20% with 77.4% cellulose-glucose conversion and glucose concentration of 164.9g/L in hydrolysate, it even was promoted to 25% with only 3.4% decrease on cellulose-glucose conversion as the pretreated-wheat straw was dewatered by air-drying. 72.9% cellulose-glucose conversion still was achieved as the minimized enzyme input of 20mg protein/g cellulose was employed for hydrolysis at 20% solid loading...
April 12, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28433889/quantitative-proteomic-profiling-for-clarification-of-the-crucial-roles-of-lysosomes-in-microbial-infections
#17
Benhong Xu, Yanpan Gao, Shaohua Zhan, Wei Ge
Lysosomes play vital roles in both innate and adaptive immunity. It is widely accepted that lysosomes do not function exclusively as a digestive organelle. It is also involved in the process of immune cells against pathogens. However, the changes in the lysosomal proteome caused by infection with various microbes are still largely unknown, and our understanding of the proteome of the purified lysosome is another obstacle that needs to be resolved. Here, we performed a proteomic study on lysosomes enriched from THP1 cells after infection with Listeria monocytogenes (L...
April 20, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28433844/neurological-decline-in-an-elderly-with-repaired-myelomeningocele-complicated-with-lumbar-canal-stenosis-a-case-report
#18
Shingo Matsuda, Satoshi Yamaguchi, Yosuke Kajihara, Masaaki Takeda, Manish Kolakshyapati, Kaoru Kurisu
BACKGROUND: Tethered cord syndrome is a well-known complication after myelomeningocele (MMC) repair in childhood. However, late complications in adults with a repaired MMC are not well understood. In particular, the influence of a degenerative spinal deformity on a sustained tethered cord is still unclear. CASE DESCRIPTION: A 63-year-old man with a repaired MMC presented with a progressive gait disturbance and numbness in both lower limbs. Magnetic resonance images demonstrated that the tethered spinal cord was compressed by severe canal stenosis along the entire lumbar spine...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433818/spatial-temporal-variability-and-transportation-mechanism-of-polychlorinated-biphenyls-in-the-yangtze-river-estuary
#19
Lei Chen, Ye Yang, Jing Chen, Shuohan Gao, Shasha Qi, Cheng Sun, Zhenyao Shen
Although the variability of polychlorinated biphenyls (PCBs) is strongly dependent on the hydro-sediment pattern, the quantification of this interaction is still not well described, especially for estuary areas. In this study, both chemical analyses and numerical simulation were conducted to explain the temporal-spatial variability and transportation mechanism of PCBs in the Yangtze River Estuary (YRE). The impacts of the upstream Three Gorges Dam (TGD) on estuarine PCBs were also addressed with a simulated scenario...
April 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28433770/preparation-of-low-digestible-and-viscoelastic-tigernut-cyperus-esculentus-starch-by-bacillus-acidopullulyticus-pullulanase
#20
Xiaolei Li, Jingchao Fu, Yujuan Wang, Fumin Ma, Dan Li
Tigernut starch is an underutilized food resource. In this study, pullulanase (PUL) hydrolysis was used to change its physiochemical properties for different food applications. The content of low digestible fractions, resistant starch and slow digestible starch, in PUL modified tigernut starch significantly increased from 2.03% to 25.08% (P <0.05) using 120U/g starch of PUL in the debranching reaction. The paste or dispersion of PUL modified tigernut starch had a significantly decreased viscoelasticity (P <0...
April 19, 2017: International Journal of Biological Macromolecules
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