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https://www.readbyqxmd.com/read/28340328/the-role-of-auxin-response-factors-in-the-development-and-differential-growth-of-inflorescence-stems
#1
Nicholas S Carey, Naden T Krogan
Plants react to environmental cues by altering their growth and development, which can include organ tropic responses. These differential growth responses are triggered by the hormone auxin, and AUXIN RESPONSE FACTORs (ARFs) have been implicated in numerous organ tropisms in Arabidopsis thaliana. Surprisingly, despite being critical for light capture and overall plant morphology, inflorescence stem tropic responses remain relatively understudied, with presumed direct links to ARF function yet to be established...
March 24, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28333568/the-nature-of-competition-in-dietetics-education-a-narrative-review
#2
Jillian Ruhl, Daphne Lordly
The impact on student development associated with being part of a competitive program is an emerging finding in dietetics research. As such, a narrative review of relevant literature was conducted pertaining to competition in post-secondary programs and the educational experience of students with respect to developing a career in dietetics. The review was guided by 2 questions: How is competition experienced by students? What strategies can reduce competition among dietetics students within the educational experience? A refined literature screening process justified including 32 articles in the review...
March 23, 2017: Canadian Journal of Dietetic Practice and Research
https://www.readbyqxmd.com/read/28333284/revisiting-the-mutant-prevention-concentration-to-guide-dosing-in-childhood-tuberculosis
#3
Devan Jaganath, H Simon Schaaf, Peter R Donald
The mutant prevention concentration (MPC) is a well-known concept in the chemotherapy of many bacterial infections, but is seldom considered in relation to tuberculosis (TB) treatment, as the required concentrations are generally viewed as unachievable without undue toxicity. Early studies revealed single mutations conferring high MICs of first- and second-line anti-TB agents; however, the growing application of genomics and quantitative drug susceptibility testing in TB suggests a wide range of MICs often determined by specific mutations and strain type...
March 9, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28332464/distributing-development-assistance-for-health-simulating-the-implications-of-11-criteria
#4
Trygve Ottersen, Suerie Moon, John-Arne Røttingen
After years of unprecedented growth in development assistance for health (DAH), the DAH system is challenged on several fronts: by the economic downturn and stagnation of DAH, by the epidemiological transition and increase in non-communicable diseases and by the economic transition and rise of the middle-income countries. Central to any potent response is a fair and effective allocation of DAH across countries. A myriad of criteria has been proposed or is currently used, but there have been no comprehensive assessment of their distributional implications...
April 2017: Health Economics, Policy, and Law
https://www.readbyqxmd.com/read/28330808/germline-genetic-biomarkers-of-sunitinib-efficacy-in-advanced-renal-cell-carcinoma-results-from-the-renal-effect-trial
#5
Robert J Motzer, Robert A Figlin, Jean-François Martini, Subramanian Hariharan, Neeraj Agarwal, Chun Xiao Li, J Andrew Williams, Thomas E Hutson
BACKGROUND: Sunitinib, the vascular endothelial growth factor pathway inhibitor, is an established standard-of-care for advanced renal cell carcinoma (RCC). This study aimed to assess correlations between candidate germline single nucleotide polymorphisms (SNPs) and sunitinib efficacy in patients from the RENAL EFFECT trial (NCT00267748), a randomized phase II study in patients with metastatic RCC comparing the 4-weeks-on/2-weeks-off schedule and a continuous daily dosing schedule. PATIENTS AND METHODS: Informed consent for pharmacogenetics research was obtained from 202 out of 289 treated patients in the trial...
February 27, 2017: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/28329454/adult-congenital-cardiac-care
#6
Brian E Kogon, Kati Miller, Paula Miller, Bahaaldin Alsoufi, Joshua M Rosenblum
BACKGROUND: The Adult Congenital Heart Association (ACHA) is dedicated to supporting patients with congenital heart disease. To guide patients to qualified providers and programs, it maintains a publicly accessible directory of dedicated adult congenital cardiac programs. We analyzed the directory in 2006 and 2015, aiming to evaluate the growth of the directory as a whole and to evaluate the growth of individual programs within the directory. We also hope this raises awareness of the growing opportunities that exist in adult congenital cardiology and cardiac surgery...
March 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28328983/novel-keyword-co-occurrence-network-based-methods-to-foster-systematic-reviews-of-scientific-literature
#7
Srinivasan Radhakrishnan, Serkan Erbis, Jacqueline A Isaacs, Sagar Kamarthi
Systematic reviews of scientific literature are important for mapping the existing state of research and highlighting further growth channels in a field of study, but systematic reviews are inherently tedious, time consuming, and manual in nature. In recent years, keyword co-occurrence networks (KCNs) are exploited for knowledge mapping. In a KCN, each keyword is represented as a node and each co-occurrence of a pair of words is represented as a link. The number of times that a pair of words co-occurs in multiple articles constitutes the weight of the link connecting the pair...
2017: PloS One
https://www.readbyqxmd.com/read/28327149/release-kinetics-and-mitogenic-capacity-of-collagen-barrier-membranes-supplemented-with-secretome-of-activated-platelets-the-in-vitro-response-of-fibroblasts-of-the-periodontal-ligament-and-the-gingiva
#8
Eva-Maria Mozgan, Michael Edelmayer, Klara Janjić, Manuela Pensch, Michael B Fischer, Andreas Moritz, Hermann Agis
BACKGROUND: Platelet preparations can stimulate the healing process and have mitogenic properties. We hypothesized that collagen barrier membranes (CBM), clinically used in guided bone regeneration and guided tissue regeneration, can serve as carriers for platelet secretome. METHODS: Secretome was generated from washed platelets and unwashed platelets (washed/unwashed PSEC) and lyophilized onto CBM. Overall appearance of CBM was evaluated by scanning electron microscopy...
March 21, 2017: BMC Oral Health
https://www.readbyqxmd.com/read/28327089/uniform-fdg-pet-guided-gradient-dose-prescription-to-reduce-late-radiation-toxicity-upgrade-rt-study-protocol-for-a-randomized-clinical-trial-with-dose-reduction-to-the-elective-neck-in-head-and-neck-squamous-cell-carcinoma
#9
Sven van den Bosch, Tim Dijkema, Martina C Kunze-Busch, Chris H J Terhaard, Cornelis P J Raaijmakers, Patricia A H Doornaert, Frank J P Hoebers, Marije R Vergeer, Bas Kreike, Oda B Wijers, Wim J G Oyen, Johannes H A M Kaanders
BACKGROUND: In definitive radiation therapy for head and neck cancer, clinically uninvolved cervical lymph nodes are irradiated with a so-called 'elective dose' in order to achieve control of clinically occult metastases. As a consequence of high-resolution diagnostic imaging, occult tumor volume has significantly decreased in the last decades. Since the elective dose is dependent on occult tumor volume, the currently used elective dose may be higher than necessary. Because bilateral irradiation of the neck contributes to dysphagia, xerostomia and hypothyroidism in a dose dependent way, dose de-escalation to these regions can open a window of opportunity to reduce toxicity and improve quality of life after treatment...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28326729/-study-of-human-leucine-rich-amelogenin-peptide-and-its-regulation-of-mineralization-by-cryogenic-transmission-electron-microscopy
#10
Tian Kun, Feng Xiaoyun, Du Qin, Liao Chuhang, Ren Xiaohua
OBJECTIVE: Recombinant human leucine-rich amelogenin peptide (LRAP) was studied by cryogenic transmission electron microscopy (TEM); evaluation focused on its self-assembly and crystal growth in vitro. METHODS: Human LRAP was recombined through prokaryotic expression vector pCold-SUMO and transformed into Escherichia coli BL21plys to acquire purified proteins. Cryogen TEM recorded assembly and self-assembling of LRAP from pH 3.5 to pH 8.0, and the hydroxyapatite crystal growth in the mixture of LRAP protein solution and artificial saliva was observed using TEM and selected area electron diffraction...
February 1, 2017: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28326464/meningiomas-in-pregnancy-timing-of-surgery-and-clinical-outcomes-as-observed-in-104-cases-and-establishment-of-a-best-management-strategy
#11
REVIEW
Yosef Laviv, Ahmed Bayoumi, Anand Mahadevan, Brett Young, Myles Boone, Ekkehard M Kasper
BACKGROUND: There is a strong correlation between the level of circulating female sex hormones and the parturient growth of meningiomas. As a result, rapid changes in meningioma size occur during pregnancy, putting both the mother and fetus at risk. Large, symptomatic meningiomas require surgical resection, regardless of the status of pregnancy. However, the preferred timing of such complex intervention is a matter of debate. The rarity of this clinical scenario and the absence of prospective trials make it difficult to reach evidence-based conclusions...
March 22, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28325308/inspired-by-efficient-cellulose-dissolving-system-facile-one-pot-synthesis-of-biomass-based-hydrothermal-magnetic-carbonaceous-materials
#12
Jian-Feng Ma, Jian-Xiong Xing, Kun Wang, Hai-Yan Yang, Ben-Hua Fei, Xing-E Liu
The core-shell structure of carbon encapsulated magnetic nanoparticles (CEMNs) displays unique properties. Enhancing the magnetization of iron core, in parallel, improving the encapsulation of carbon shell are the two major challenges in the synthesis of CEMNs. Inspired by efficient cellulose-dissolving system, carbon encapsulated magnetic nano-Fe3O4 particles (Fe3O4@C) with ∼10.0nm Fe3O4 cores and 1.9-3.3nm carbon shell, were successfully one-pot synthesized via a novel hydrothermal carbonization (HTC) process...
May 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28325079/dietary-guidelines-for-the-asia-pacific-region
#13
Colin W Binns, Mi Kyung Lee, Masaharu Kagawa, Wah Yun Low, Qiu Liqian, Georgia S Guldan, Tomiko Hokama, Keiko Nanishi, Sreymom Oy, Li Tang, Alfred Zerfas
Nutrition is a major determinant of health throughout all stages of life and together with smoking is the most important risk factor for morbidity and mortality in the Asia Pacific Region. The workshop participants examined Dietary Guidelines and Food Guides that are in use in our region, together with additional materials from the World Health Organization, UNICEF and the World Cancer Research Foundation. The resulting set of guidelines is meant as a reminder of the main issues to be covered in a general public health education program...
March 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28324899/infant-guided-co-regulated-feeding-in-the-neonatal-intensive-care-unit-part-i-theoretical-underpinnings-for-neuroprotection-and-safety
#14
Catherine S Shaker
The rapid progress in medical and technical innovations in the neonatal intensive care unit (NICU) has been accompanied by concern for outcomes of NICU graduates. Although advances in neonatal care have led to significant changes in survival rates of very small and extremely preterm neonates, early feeding difficulties with the transition from tube feeding to oral feeding are prominent and often persist beyond discharge to home. Progress in learning to feed in the NICU and continued growth in feeding skills after the NICU may be closely tied to fostering neuroprotection and safety...
April 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28323051/anticancer-and-anti-angiogenic-activities-of-extract-from-actinidia-eriantha-benth-root
#15
Jian-Guo Wu, Li Ma, Shui-Hua Lin, Yan-Bin Wu, Jun Yi, Bin-Jun Yang, Jin-Zhong Wu, Ka-Hing Wong
ETHNOPHARMACOLOGICAL RELEVANCE: The roots of Actinidia eriantha Benth (AER) are commonly used traditional folk medicine for the treatment of gastric carcinoma, nasopharyngeal carcinoma, and breast carcinoma. Besides, the anti-proliferative and immunomodulatory effects of AER polysaccharides on tumor-bearing mice have been reported previously. AIM OF THE STUDY: This work was carried out to investigate the anticancer and anti-angiogenic activities of AER. MATERIALS AND METHODS: The growth inhibitory effects of ethanol extracts from the leaves (EEL), stems (EES) and roots (EER) of A...
March 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28321604/suppression-of-the-smurf1-expression-inhibits-tumor-progression-in-gliomas
#16
Hao Chang, Jingning Zhang, Zengli Miao, Yasuo Ding, Xing Xu, Xudong Zhao, Peng Xu, Qing Wang, Yuchang Lin
Glioblastoma, one of the common malignant brain tumors, results in the highly death, but its underlying molecular mechanisms remain unclear. Smurf1, a member of Nedd4 family of HECT-type ligases, has been reported to contribute to tumorigenicity through several important biological pathways. Recently, it was also found to participate in modulate cellular processes, including morphogenesis, autophagy, growth, and cell migration. In this research, we reported the clinical guiding significance of the expression of Smurf1 in human glioma tissues and cell lines...
March 20, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28320936/high-capacity-low-tortuosity-and-channel-guided-lithium-metal-anode
#17
Ying Zhang, Wei Luo, Chengwei Wang, Yiju Li, Chaoji Chen, Jianwei Song, Jiaqi Dai, Emily M Hitz, Shaomao Xu, Chunpeng Yang, Yanbin Wang, Liangbing Hu
Lithium metal anode with the highest capacity and lowest anode potential is extremely attractive to battery technologies, but infinite volume change during the Li stripping/plating process results in cracks and fractures of the solid electrolyte interphase, low Coulombic efficiency, and dendritic growth of Li. Here, we use a carbonized wood (C-wood) as a 3D, highly porous (73% porosity) conductive framework with well-aligned channels as Li host material. We discovered that molten Li metal can infuse into the straight channels of C-wood to form a Li/C-wood electrode after surface treatment...
March 20, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28320584/growth-charts-for-brazilian-children-with-down-syndrome-birth-to-20-years-of-age
#18
Fabio Bertapelli, Stamatis Agiovlasitis, Maira Rossmann Machado, Raísa do Val Roso, Gil Guerra-Junior
BACKGROUND: The growth of youth with Down syndrome (DS) differs from that of youth without DS, and growth charts specific to DS have been developed. However, little is known about the growth of Brazilian youth with DS. The objective of this study was to construct growth charts for Brazilian youth with DS and compare the growth data with the Child Growth Standards of the World Health Organization (WHO) and charts for children with DS from other studies. METHODS: Mixed longitudinal and cross-sectional data were collected at University of Campinas, 48 specialized centers for people with intellectual disabilities, and two foundations for people with DS between 2012 and 2015...
March 17, 2017: Journal of Epidemiology
https://www.readbyqxmd.com/read/28319113/combinatorial-crispr-cas9-screens-for-de-novo-mapping-of-genetic-interactions
#19
John Paul Shen, Dongxin Zhao, Roman Sasik, Jens Luebeck, Amanda Birmingham, Ana Bojorquez-Gomez, Katherine Licon, Kristin Klepper, Daniel Pekin, Alex N Beckett, Kyle Salinas Sanchez, Alex Thomas, Chih-Chung Kuo, Dan Du, Assen Roguev, Nathan E Lewis, Aaron N Chang, Jason F Kreisberg, Nevan Krogan, Lei Qi, Trey Ideker, Prashant Mali
We developed a systematic approach to map human genetic networks by combinatorial CRISPR-Cas9 perturbations coupled to robust analysis of growth kinetics. We targeted all pairs of 73 cancer genes with dual guide RNAs in three cell lines, comprising 141,912 tests of interaction. Numerous therapeutically relevant interactions were identified, and these patterns replicated with combinatorial drugs at 75% precision. From these results, we anticipate that cellular context will be critical to synthetic-lethal therapies...
March 20, 2017: Nature Methods
https://www.readbyqxmd.com/read/28315949/-89-zr-onartuzumab-pet-imaging-of-c-met-receptor-dynamics
#20
Martin Pool, Anton G T Terwisscha van Scheltinga, Arjan Kol, Danique Giesen, Elisabeth G E de Vries, Marjolijn N Lub-de Hooge
PURPOSE: c-MET and its ligand hepatocyte growth factor are often dysregulated in human cancers. Dynamic changes in c-MET expression occur and might predict drug efficacy or emergence of resistance. Noninvasive visualization of c-MET dynamics could therefore potentially guide c-MET-directed therapies. We investigated the feasibility of (89)Zr-labelled one-armed c-MET antibody onartuzumab PET for detecting relevant changes in c-MET levels induced by c-MET-mediated epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor erlotinib resistance or heat shock protein-90 (HSP90) inhibitor NVP-AUY-922 treatment in human non-small-cell lung cancer (NSCLC) xenografts...
March 19, 2017: European Journal of Nuclear Medicine and Molecular Imaging
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