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https://www.readbyqxmd.com/read/29161774/building-trophic-specializations-that-result-in-substantial-niche-partitioning-within-a-young-adaptive-radiation
#1
Luz Patricia Hernandez, Dominique Adriaens, Christopher H Martin, Peter C Wainwright, Bert Masschaele, Manuel Dierick
Dietary partitioning often accompanies the increased morphological diversity seen during adaptive radiations within aquatic systems. While such niche partitioning would be expected in older radiations, it is unclear how significant morphological divergence occurs within a shorter time period. Here we show how differential growth in key elements of the feeding mechanism can bring about pronounced functional differences among closely related species. An incredibly young adaptive radiation of three Cyprinodon species residing within hypersaline lakes in San Salvador Island, Bahamas, has recently been described...
November 21, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/29161589/mitosis-sans-mitosis-the-mitotic-oscillator-in-differentiation
#2
Miranda Stratton, Tim Stearns
Differentiation and proliferation are usually considered to be antagonistic partners in development. However, in a recent issue of Science, Al Jord et al. (2017) show that key regulators of the mitotic cycle are redeployed in differentiating multiciliated cells to promote ciliogenesis without mitotic progression.
November 20, 2017: Developmental Cell
https://www.readbyqxmd.com/read/29159192/sex-differences-in-lrrk2-g2019s-and-idiopathic-parkinson-s-disease
#3
Marta San Luciano, Cuiling Wang, Roberto A Ortega, Nir Giladi, Karen Marder, Susan Bressman, Rachel Saunders-Pullman
Objective: To evaluate sex differences and the relative effect of G2019S LRRK2 mutations in Parkinson's disease (PD). Methods: 530 LRRK2 PD carriers and 759 noncarrier PD (idiopathic, IPD) evaluated as part of the Fox Foundation (MJFF) Consortium were included. All participants completed a study visit including information on clinical features, treatment, examination, and motor and nonmotor questionnaires. Clinical features were compared between men and women separately for IPD and LRRK2 PD; and features were compared between IPD and LRRK2 PD separately for men and women...
November 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29158081/streptococcus-pyogenes-nuclease-a-spna-mediated-virulence-does-not-exclusively-depend-on-nuclease-activity
#4
Callum Chalmers, Adrina Hema J Khemlani, Chae Ryeong Sohn, Jacelyn Mei San Loh, Catherine Jia-Yun Tsai, Thomas Proft
BACKGROUND: Streptococcus pyogenes, or Group A Streptococcus (GAS), is a human pathogen that causes a wide range of diseases, including pharyngitis, necrotizing fasciitis and toxic shock syndrome. The bacterium produces a large arsenal of virulence factors, including the cell wall-anchored Streptococcus pyogenes nuclease A (SpnA), which facilitates immune evasion by degrading the DNA backbone of neutrophil extracellular traps. SpnA consists of a C-terminal endo/exonuclease domain and a N-terminal domain of unknown function...
November 13, 2017: Journal of Microbiology, Immunology, and Infection, Wei Mian Yu Gan Ran za Zhi
https://www.readbyqxmd.com/read/29157215/integration-of-rna-seq-data-with-heterogeneous-microarray-data-for-breast-cancer-profiling
#5
Daniel Castillo, Juan Manuel Gálvez, Luis Javier Herrera, Belén San Román, Fernando Rojas, Ignacio Rojas
BACKGROUND: Nowadays, many public repositories containing large microarray gene expression datasets are available. However, the problem lies in the fact that microarray technology are less powerful and accurate than more recent Next Generation Sequencing technologies, such as RNA-Seq. In any case, information from microarrays is truthful and robust, thus it can be exploited through the integration of microarray data with RNA-Seq data. Additionally, information extraction and acquisition of large number of samples in RNA-Seq still entails very high costs in terms of time and computational resources...
November 21, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/29156683/shycd-induces-ape1-ref-1-subcellular-localization-to-regulate-the-p53-apoptosis-signaling-pathway-in-the-prevention-and-treatment-of-acute-on-chronic-liver-failure
#6
Jianxin Diao, Haiye Li, Wei Huang, Wenxiao Ma, Huan Dai, Yawei Liu, Ming Wang, He Yu Hua, Jinying Ou, Xiaomin Sun, Xuegang Sun, Yungao Yang
Background & Aims: San huang yin chi decoction(SHYCD) is derived from the yin chen hao decoction, a well-known and canonical Chinese medicine formula from the "Treatise on Febrile Diseases". Over the past decade, SHYCD has been used to treat and prevent the liver cirrhosis and liver failure. In the present study, we investigated the effects of SHYCD for acute on chronic liver failure(ACLF) and explored its potential mechanism. an ACLF rat model, which induced by carbon tetrachloride (CCl4) combined with D-galactosamine (D-GalN) and lipopolysaccharide(LPS), was used and confirmed by B-ultrasound analysis...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156636/structural-electrical-magnetic-and-resistive-switching-properties-of-the-multiferroic-ferroelectric-bilayer-thin-films
#7
Ming-Cheng Kao, Hone-Zern Chen, San-Lin Young, Kai-Huang Chen, Jung-Lung Chiang, Jen-Bin Shi
Bi0.8Pr0.2Fe0.95Mn0.05O₃/Bi3.96Gd0.04Ti2.95W0.05O12 (BPFMO/BGTWO) bilayer thin films with Multiferroic/Ferroelectric (MF/FE) structures were deposited onto Pt(111)/Ti/SiO₂/Si(100) substrates by using the sol-gel method with rapid thermal annealing. The BPFMO/BGTWO thin films exhibited well-saturated ferromagnetic and ferroelectric hysteresis loops because of the electro-magnetic coupling induced by the MF/FE structure. The remnant magnetization (2Mr) and remnant polarization (2Pr) were 4.6 emu/cm³ and 62 μC/cm², respectively...
November 20, 2017: Materials
https://www.readbyqxmd.com/read/29156271/fresh-and-composted-industrial-sludge-restore-soil-functions-in-surface-soil-of-degraded-agricultural-land
#8
Muhammad Saleem Arif, Muhammad Riaz, Sher Muhammad Shahzad, Tahira Yasmeen, Muhammad Ashraf, Muhammad Siddique, Muhammad Salman Mubarik, Luca Bragazza, Alexandre Buttler
A field study was conducted to test the potential of 5-year consecutive application of fresh industrial sludge (FIS) and composted industrial sludge (CIS) to restore soil functions at surface (0-15cm) and subsurface (15-30cm) of the degraded agricultural land. Sludge amendments increased soil fertility parameters including total organic carbon (TOC), soil available nitrogen (SAN), soil available phosphorus (SAP) and soil available potassium (SAK) at 0-15cm depth. Soil enzyme activities i.e. dehydrogenase (DHA), β-glucosidase (BGA) and alkaline phosphatase (ALp) were significantly enhanced by FIS and CIS amendments in surface soil...
November 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29155941/new-graft-sizing-rings-for-aortic-valve-reimplantation-procedures
#9
Matija Jelenc, Blaž Jelenc, Ivan Kneževic, Tomislav Klokocovnik
OBJECTIVES: The objective was to design sizing rings that would enable proper sizing of the graft in reimplantation procedures and to perform leaflet repair before graft implantation. METHODS: The rings were designed in Autodesk Fusion 360 (San Rafael, CA, USA) and 3D printed using a commercial online 3D printing service. We designed incomplete rings with a low profile and complete rings with a high profile. The complete rings are best suited for reimplantation procedures, whereas low profile C rings are intended for isolated aortic valve repair, where the ascending aorta is not transected...
August 11, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29155597/aggregation-and-rheological-behavior-of-the-lavender-oil-pluronic-p123-microemulsions-in-water-ethanol-mixed-solvents
#10
Oyais Ahmad Chat, Nighat Nazir, Parvaiz Ahmad Bhat, Puthusserickal Abdulrahiman Hassan, Vinod Kumar Aswal, Aijaz Ahmad Dar
The effect of lavender oil on aggregation characteristics of P123 in aqueous-ethanolic solutions is investigated systematically by DLS, SANS and Rheology. The solubilization capacity of the formulation increased by increasing P123 concentration. The study unveiled the importance of the short chain alcohol-ethanol, as solubilization enhancer. The apparent hydrodynamic radius (Rh) increased significantly with increase in lavender oil concentration up to maximum oil solubilization capacity of the copolymer at a particular ethanol concentration...
November 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29155431/chemical-synthesis-and-nmr-spectroscopy-of-long-stable-isotope-labelled-rna
#11
J Kremser, E Strebitzer, R Plangger, M A Juen, F Nußbaumer, H Glasner, K Breuker, C Kreutz
We showcase the high potential of the 2'-cyanoethoxymethyl (CEM) methodology to synthesize RNAs with naturally occurring modified residues carrying stable isotope (SI) labels for NMR spectroscopic applications. The method was applied to synthesize RNAs with sizes ranging between 60 to 80 nucleotides. The presented approach gives the possibility to selectively modify larger RNAs (>60 nucleotides) with atom-specifically (13)C/(15)N-labelled building blocks. The method harbors the unique potential to address structural as well as dynamic features of these RNAs with NMR spectroscopy but also using other biophysical methods, such as mass spectrometry (MS), or small angle neutron/X-ray scattering (SANS, SAXS)...
November 20, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/29155381/sinoatrial-and-atrioventricular-blocks-who-first-described-them-and-how-retrospectroscope
#12
Max E Valentinuzzi
The relationship among cardiac pacemakers is characterized by the fact that one pacemaker is usually dominant and all the others are subsidiary. The sinoatrial node acts as the dominant pacemaker, and all other potential pacemaker tissues are discharged by a conducted impulse before their respective diastolic depolarizations attain threshold. These pacemakers are called subsidiary to emphasize the fact that, under normal circumstances, they are engaged in conducting impulses, but, under abnormal circumstances, they may become actual pacemakers...
November 2017: IEEE Pulse
https://www.readbyqxmd.com/read/29155101/type-i-ifn-related-netosis-in-ataxia-telangiectasia-and-artemis-deficiency
#13
Ersin Gul, Esra Hazar Sayar, Bilgi Gungor, Fehime Kara Eroglu, Naz Surucu, Sevgi Keles, Sukru Nail Guner, Sıddıka Fındık, Esin Alpdündar, Ihsan Cihan Ayanoglu, Basak Kayaoglu, Busra Nur Geçkin, Hatice Asena Sanli, Tamer Kahraman, Cengiz Yakicier, Meltem Muftuoglu, Berna Oguz, Deniz Nazire Cagdas Ayvaz, Ihsan Gursel, Seza Ozen, Ismail Reisli, Mayda Gursel
BACKGROUND: Pathological inflammatory syndromes of unknown etiology are commonly observed in Ataxia telangiectasia (AT) and Artemis deficiency. Similar inflammatory manifestations also exist in STING-associated vasculopathy in infancy (SAVI) patients. OBJECTIVE: To test the hypothesis that the inflammation associated manifestations observed in AT and Artemis deficient patients stem from increased type I IFN signature leading to neutrophil mediated pathological damage...
November 15, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29154790/recognition-of-rare-hemoglobin-variants-by-hemoglobin-a1c-measurement-procedures
#14
Sydney W Strickland, Sean T Campbell, Randie R Little, David E Bruns, Lindsay A L Bazydlo
BACKGROUND: Unrecognized hemoglobinopathies can lead to measured hemoglobin A1c (Hb A1c) concentrations that are erroneous or misleading. We determined the effects of rare hemoglobin variants on capillary electrophoresis (CE) and HPLC methods for measurement of Hb A1c. METHODS: We prospectively investigated samples in which Hb A1c was measured by CE during a 14-month period. For samples in which the electropherograms suggested the presence of rare hemoglobinopathies, hemoglobin variants were identified by molecular analysis or by comparison with electropherograms of known variants...
November 14, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29153854/what-are-pharmacists-recommending-for-infant-teething-treatment
#15
Eric J Ip, Punam B Patel, Josephine J Chi, Bijal Shah-Manek, Bonnie Lau
OBJECTIVES: In 2011, the Food and Drug Administration issued a warning to avoid the use of any benzocaine-containing products for infant teething treatment owing to a risk of methemoglobinemia. Several benzocaine-containing products targeted for infant teething are currently available over the counter. Pharmacists are commonly asked for medical advice in the community, and there is no current literature evaluating what pharmacists are recommending for infant teething. The objectives of this study were to evaluate what pharmacists are currently recommending for infant teething treatment and assess what percentage would inappropriately recommend a benzocaine-containing product...
November 15, 2017: Journal of the American Pharmacists Association: JAPhA
https://www.readbyqxmd.com/read/29153491/measures-of-human-immunodeficiency-virus-hiv-community-viral-load-and-hiv-incidence-among-people-who-inject-drugs
#16
Cristie Glasheen, Eric O Johnson, Jennifer Lorvick, Alex H Kral
PURPOSE: To evaluate the measures of community human immunodeficiency virus (HIV) viral load (VL) and the association with HIV incidence among people who inject drugs (PWID). METHODS: Data were from 1986 to 1999 Urban Health Study conducted among PWID in the San Francisco Bay Area. Extant measures of community VL use mean VL among HIV + study participants, not accounting for the proportion of HIV- individuals. We compared the strength of the associations between HIV incidence and the traditionally measured mean community VL and a new prevalence-adjusted community VL, calculated by dividing the sum of VL among HIV + participants by the total participants irrespective of HIV status...
November 3, 2017: Annals of Epidemiology
https://www.readbyqxmd.com/read/29153368/diagnostic-value-of-cone-beam-computed-tomography-cbct-in-occult-scaphoid-and-wrist-fractures
#17
Christophe Borel, Ahmed Larbi, Stephanie Delclaux, Franck Lapegue, Helene Chiavassa-Gandois, Nicolas Sans, Marie Faruch-Bilfeld
OBJECTIVE: Evaluate the diagnostic value of cone beam computed tomography (CBCT) for scaphoid and wrist fractures that are missed on standard radiographs. MATERIALS AND METHODS: Between September 2014 and October 2015, we prospectively enrolled 49 patients with a clinically suspected scaphoid fracture following an acute injury but had normal radiographs. Each patients underwent radiographs, CBCT and (magnetic resonance imaging) MRI within 7days of the initial injury event...
December 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/29153347/autologous-stem-cell-transplantation-and-stem-cell-mobilization-kinetics-in-elderly-patients-with-b-cell-non-hodgkin-lymphoma
#18
REVIEW
Mehmet Hilmi Dogu, Seçkin Çagirgan, Serkan Ocakci, Ali Hakan Kaya, Kadir Ilkkilic, Neslihan Mandaci Sanli, Selda Kahraman, Rafet Eren, Emre Tekgunduz, Sibel Hacioglu, Leylagul Kaynar, Mehmet Ali Erkurt, Fevzi Altuntas
As known, the world population is aging and as the life span increases the number of advanced-age lymphomas also shows an upward trend. Autologous hematopoietic stem cell transplantation (HSCT) is the standard treatment modality in chemotherapy-sensitive relapsed or refractory aggressive lymphomas. Increased morbidity and mortality related to both the transplant itself and comorbid diseases can be observed in elderly lymphoma patients. Patients who are 65 years or older and underwent autologous HSCT with B-cell non-Hodgkin lymphoma were retrospectively included in our study...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29152090/gynostemma-pentaphyllum-saponins-attenuate-inflammation-in-vitro-and-in-vivo-by-inhibition-of-nf-%C3%AE%C2%BAb-and-stat3-signaling
#19
Wing-Yan Wong, Magnolia Muk-Lan Lee, Brandon Dow Chan, Victor Wan-San Ma, Wenchun Zhang, Timothy Tak-Chun Yip, Wing-Tak Wong, William Chi-Shing Tai
Recent advances in the development of anti-inflammatory agents have improved their therapeutic outcome in inflammatory bowel disease (IBD), however, the presence of side effects and limited effectiveness hinder their widespread use. Therefore, novel compounds with strong anti-inflammatory efficacy are still required. In this study, we investigated the anti-inflammatory effect and potential mechanisms of Gynostemma pentaphyllum (Thunb.) Makino saponins (GpS), a major component of the herbal medicine widely used in Asian countries...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151972/comparable-survival-between-additional-radiotherapy-and-local-surgery-in-occult-breast-cancer-after-axillary-lymph-node-dissection-a-population-based-analysis
#20
San-Gang Wu, Wen-Wen Zhang, Jia-Yuan Sun, Feng-Yan Li, Huan-Xin Lin, Yong-Xiong Chen, Zhen-Yu He
Purpose: To investigate the clinical value of additional local treatment strategies in occult breast cancer (OBC) after axillary lymph node dissection (ALND). Methods: Patients diagnosed with OBC between 1990 and 2013 were included from the Surveillance, Epidemiology, and End Results registry database. The significant risk factors of cause-specific survival (CSS) and overall survival (OS) were identified using univariate and multivariate Cox regression analyses. Results: We identified 980 patients, including 219 (22...
2017: Journal of Cancer
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