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https://www.readbyqxmd.com/read/28722097/-research-progress-of-the-association-of-hydrogen-sulfide-with-colorectal-cancer-and-its-associated-anti-tumor-drugs
#1
Shanwen Chen, Pengyuan Wang, Yucun Liu
As the third confirmed gaseous transmitters, hydrogen sulfide was found to play a vital role in the eternal milieu both physiologically and pathologically. What's intriguing is that, there exists a debate about the role of hydrogen sulfide in the pathogenesis of cancer, especially colorectal cancer. In this manuscript, progress of the effect of low and high dose hydrogen sulfide on the tumorigenesis of colorectal cancer and research on the antitumor new drugs stemmed from the function of hydrogen sulfide is summarized...
July 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28719565/burnout-in-orthopaedic-surgeons-a-challenge-for-leaders-learners-and-colleagues-aoa-critical-issues
#2
S Elizabeth Ames, James B Cowan, Keith Kenter, Sanford Emery, David Halsey
Burnout, depression, suicidal ideation, and dissatisfaction with work-life balance have been reported in all medical specialties and at all stages of medical education and practice experience. Burnout consists of progressive emotional, attitudinal, and physical exhaustion. Physicians with burnout may treat patients as objects and feel emotionally depleted. Burnout is characterized by a loss of enthusiasm for work (emotional exhaustion), feelings of cynicism (depersonalization), and a low sense of personal accomplishment...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28714423/distinctive-neuropsychological-profiles-differentiate-patients-with-functional-memory-disorder-from-patients-with-amnestic-mild-cognitive-impairment
#3
Sarah J Wakefield, Daniel J Blackburn, Kirsty Harkness, Aijaz Khan, Markus Reuber, Annalena Venneri
OBJECTIVES: Patients with functional memory disorder (FMD) report significant memory failures in everyday life. Differentiating these patients from those with memory difficulties due to early stage neurodegenerative conditions is clinically challenging. The current study explored whether distinctive neuropsychological profiles could be established, suitable to differentiate patients with FMD from healthy individuals and those experiencing amnestic mild cognitive impairment (a-MCI). METHODS: Patients with a clinical diagnosis of FMD were compared with patients with a-MCI, and healthy matched controls on several tests assessing different cognitive functions...
July 17, 2017: Acta Neuropsychiatrica
https://www.readbyqxmd.com/read/28713363/geographic-distribution-of-ammonia-oxidizing-archaea-along-the-kuril-islands-in-the-western-subarctic-pacific
#4
Hongmei Jing, Shunyan Cheung, Xiaomin Xia, Koji Suzuki, Jun Nishioka, Hongbin Liu
Community composition and abundance of ammonia-oxidizing archaea (AOA) in the ocean were affected by different physicochemical conditions, but their responses to physical barriers (such as a chain of islands) were largely unknown. In our study, geographic distribution of the AOA from the surface photic zone to the deep bathypelagic waters in the western subarctic Pacific adjacent to the Kuril Islands was investigated using pyrosequencing based on the ammonia monooxygenase subunit A (amoA) gene. Genotypes of clusters A and B dominated in the upper euphotic zone and the deep waters, respectively...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28711720/onset-age-of-l2-acquisition-influences-language-network-in-early-and-late-cantonese-mandarin-bilinguals
#5
Xiaojin Liu, Liu Tu, Junjing Wang, Bo Jiang, Wei Gao, Ximin Pan, Meng Li, Miao Zhong, Zhenzhen Zhu, Meiqi Niu, Yanyan Li, Ling Zhao, Xiaoxi Chen, Chang Liu, Zhi Lu, Ruiwang Huang
Early second language (L2) experience influences the neural organization of L2 in neuro-plastic terms. Previous studies tried to reveal these plastic effects of age of second language acquisition (AoA-L2) and proficiency-level in L2 (PL-L2) on the neural basis of language processing in bilinguals. Although different activation patterns have been observed during language processing in early and late bilinguals by task-fMRI, few studies reported the effect of AoA-L2 and high PL-L2 on language network at resting state...
July 13, 2017: Brain and Language
https://www.readbyqxmd.com/read/28707243/research-trends-and-hotspots-related-to-ammonia-oxidation-based-on-bibliometric-analysis
#6
Maosheng Zheng, Hui-Zhen Fu, Yuh-Shan Ho
Ammonia oxidation is the rate-limiting and central step in global biogeochemistry cycle of nitrogen. A bibliometric analysis based on 4314 articles extracted from Science Citation Index Expanded database was carried out to provide insights into publication performances and research trends of ammonia oxidation in the period 1991-2014. These articles were originated from a wide range of 602 journals and 95 Web of Science Categories, among which Applied and Environmental Microbiology and Environmental Sciences took the leading position, respectively...
July 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28689119/long-term-net-transformation-and-quantitative-molecular-mechanisms-of-soil-nitrogen-during-natural-vegetation-recovery-of-abandoned-farmland-on-the-loess-plateau-of-china
#7
Honglei Wang, Na Deng, Duoyang Wu, Shu Hu, Meng Kou
The availability of nitrogen (N) can alter vegetation species composition and diversity in degraded ecosystems. A comprehensive understanding of the dynamic fate of ammonium (NH4(+)-N) and nitrate (NO3(-)-N) processing and the underlying mechanisms are still lacking, particularly in arid to semi-arid degraded ecosystems. We compared and quantified the changes in the rates of net ammonification (Ra), nitrification (Rn) and total mineralization (Rm) and the abundance of bacteria, archaea, and microbial genes related to N transformation on the northern Loess Plateau of China across a 40-year chronosequence of farmland undergoing spontaneous restoration...
July 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28681108/unravelling-riverine-microbial-communities-under-wastewater-treatment-plant-effluent-discharge-in-large-urban-areas
#8
Yang Huo, Yaohui Bai, Jiuhui Qu
In many highly urbanized areas, effluent from wastewater treatment plants (WWTPs) represents a significant proportion of the water source for receiving rivers. Microbial communities are major components of riverine ecosystems and mediate the processes of nutrients and organic matter produced by treated and untreated WWTP effluent. To date, the impacts of WWTP effluent discharge on riverine microbial communities remain poorly understood. Based on 16S rRNA gene sequencing and water quality analysis, we investigated the microbial community compositions and predicted functions in the effluents of five municipal WWTPs and their receiving rivers...
July 5, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28678133/the-fourth-year-of-medical-school-time-for-reassessment-aoa-critical-issues
#9
Benjamin A Alman, James J Purtill, Vincent D Pellegrini, Peter Scoles
Most U.S. medical schools follow the 4-year model, consisting of 2 preclinical years, core clinical experience, and a fourth year intended to permit students to increase clinical competency, to explore specialty areas, and to transition to residency. Although the design and delivery of Years 1 through 3 have evolved to meet new challenges and expectations, the structure of Year 4 remains largely unchanged. For most students considering a career in orthopaedics, Year 4 is a series of elective rotations in which educational objectives become secondary to interviewing for residency programs...
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28678128/what-s-important-preparing-for-the-transition-to-value-based-health-care-an-american-orthopaedic-association-aoa-2016-orthotalk
#10
Kevin J Bozic
No abstract text is available yet for this article.
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28675148/owl-inspired-leading-edge-serrations-play-a-crucial-role-in-aerodynamic-force-production-and-sound-suppression
#11
Chen Rao, Teruaki Ikeda, Toshiyuki Nakata, Hao Liu
Owls are widely known for silent flight, achieving remarkably low noise gliding and flapping flights owing to their unique wing morphologies, which are normally characterized by leading-edge serrations, trailing-edge fringes and velvet-like surfaces. How these morphological features affect aerodynamic force production and sound suppression or noise reduction, however, is still not well known. Here we address an integrated study of owl-inspired single feather wing models with and without leading-edge serrations by combining large-eddy simulations (LES) with particle-image velocimetry (PIV) and force measurements in a low-speed wind tunnel...
July 4, 2017: Bioinspiration & Biomimetics
https://www.readbyqxmd.com/read/28663746/marine-group-ii-dominates-planktonic-archaea-in-water-column-of-the-northeastern-south-china-sea
#12
Haodong Liu, Chuanlun L Zhang, Chunyan Yang, Songze Chen, Zhiwei Cao, Zhiwei Zhang, Jiwei Tian
Temperature, nutrients, and salinity are among the important factors constraining the distribution and abundance of microorganisms in the ocean. Marine Group II (MGII) belonging to Euryarchaeota commonly dominates the planktonic archaeal community in shallow water and Marine Group I (MGI, now is called Thaumarchaeota) in deeper water in global oceans. Results of quantitative PCR (qPCR) and 454 sequencing in our study, however, showed the dominance of MGII in planktonic archaea throughout the water column of the northeastern South China Sea (SCS) that is characterized by strong water mixing...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28662554/proposed-amendments-to-the-aoa-constitution-bylaws-and-code-of-ethics-reprint
#13
(no author information available yet)
No abstract text is available yet for this article.
July 1, 2017: Journal of the American Osteopathic Association
https://www.readbyqxmd.com/read/28660655/association-between-total-globozoospermia-and-sperm-chromatin-defects
#14
N Eskandari, M Tavalaee, D Zohrabi, M H Nasr-Esfahani
Globozoospermia is a severe sperm morphological anomaly leading to primary infertility and low fertilisation following intracytoplasmic sperm injection (ICSI). This phenotype is observed in less than 0.1% of infertile men and is determined by small, round-headed spermatozoa with absence of an acrosomal cap, acrosome protease and also cytoskeletal proteins. Failure of oocyte activation is considered as the main cause of fertilisation failure in these individuals post-ICSI. Therefore, artificial oocyte activation (AOA) along with ICSI is commonly implemented...
June 29, 2017: Andrologia
https://www.readbyqxmd.com/read/28657554/meeting-acgme-standards-under-a-unified-accreditation-system-challenges-for-osteopathic-graduate-medical-education-programs
#15
Mark Cummings
In 2014, the American Osteopathic Association (AOA) and the American Association of Colleges of Osteopathic Medicine signed a memorandum of understanding (MOU) with the Accreditation Council for Graduate Medical Education (ACGME) to create a unified accreditation system for graduate medical education (GME) under the ACGME. The AOA will cease to accredit GME programs on June 30, 2020. By then, AOA-accredited programs need to apply for and achieve ACGME initial accreditation. The terms of the MOU also made it advantageous for some formerly nonteaching hospitals to establish AOA programs, chiefly in primary care, as a step toward future ACGME accreditation...
July 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28647293/dynapenic-obesity-as-an-associated-factor-to-lipid-and-glucose-metabolism-disorders-and-metabolic-syndrome-in-older-adults%C3%A2-%C3%A2-findings-from-sabe-study
#16
Tiago da Silva Alexandre, Mylène Aubertin-Leheudre, Lívia Pinheiro Carvalho, Roberta de Oliveira Máximo, Ligiana Pires Corona, Tábatta Renata Pereira de Brito, Daniella Pires Nunes, Jair Licio Ferreira Santos, Yeda Aparecida de Oliveira Duarte, Maria Lúcia Lebrão
BACKGROUND & AIMS: There is little evidence showing that dynapenic obesity is associated with lipid and glucose metabolism disorders, high blood pressure, chronic disease and metabolic syndrome. Our aim was to analyze whether dynapenic abdominal obesity can be associated with lipid and glucose metabolism disorders, high blood pressure, metabolic syndrome and cardiovascular diseases in older adults living in São Paulo. METHODS: This cross-sectional study included 833 older adults who took part of the third wave of the Health, Well-being and Aging Study in 2010...
June 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28641404/ph-rather-than-nitrification-and-urease-inhibitors-determines-the-community-of-ammonia-oxidizers-in-a-vegetable-soil
#17
Ruijiao Xi, Xi-En Long, Sha Huang, Huaiying Yao
Nitrification inhibitors and urease inhibitors, such as nitrapyrin and N-(n-butyl) thiophosphoric triamide (NBPT), can improve the efficiencies of nitrogen fertilizers in cropland. However, their effects on ammonia-oxidizing archaea (AOA) and ammonia-oxidizing bacteria (AOB) across different soil pH levels are still unclear. In the present work, vegetable soils at four pH levels were tested to determine the impacts of nitrification and urease inhibitors on the nitrification activities, abundances and diversities of ammonia oxidizers at different pHs by real-time PCR, terminal restriction fragment length polymorphism (T-RFLP) and clone sequence analysis...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28632597/leadership-communication-and-negotiation-across-a-diverse-workforce-an-aoa-critical-issues-symposium
#18
Denis R Clohisy, Michael J Yaszemski, Joanne Lipman
The current workforce in the United States is rapidly changing and is increasingly inclusive of individuals from a broad range of ages, ethnicities, and cultural backgrounds. Engaging and leading a diverse workforce creates great opportunities for innovation and adaptation in our evolving medical economic and clinical care delivery environment. For optimal engagement of employees and partners, orthopaedic surgeons must develop the necessary skills for executing change inside complex organizations and across teams composed of a variety of providers and skilled workers...
June 21, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28629676/percutaneous-nephrolithotomy-puncture-and-tract-dilation-evidence-on-the-safety-of-approaches-to-the-infundibulum-of-the-middle-renal-calyx
#19
Panagiotis Kallidonis, Christina Kalogeropoulou, Iason Kyriazis, Dimitrios Apostolopoulos, Panagiotis Kitrou, Dimitrios Kotsiris, Panteleimon Ntasiotis, Evangelos Liatsikos
OBJECTIVES: To investigate the anatomical relations of the papillary, infundibular and pelvic approach to percutaneous nephrolithotomy (PCNL) and evaluate the amount of vascularization at the respective sites. MATERIALS: (99m)Tc-dimercaptosuccinic acid SPECT/CT renal scintigraphies or Computerized tomographies perfusion (CTP) were performed in 40 patients (prone n=20 or supine position n=20). The angle of approach (AoA) for access tracts the respective regions of interest (ROIs) to the mid-calyceal papilla and infundibulum as well as renal pelvis were designed and compared...
June 16, 2017: Urology
https://www.readbyqxmd.com/read/28611197/treatment-of-pancreatic-cancer-patient-derived-xenograft-panel-with-metabolic-inhibitors-reveals-efficacy-of-phenformin
#20
N V Rajeshkumar, Shinichi Yabuuchi, Shweta Pai, Elizabeth De Oliveira, Jurre J Kamphorst, Joshua D Rabinowitz, Héctor Tejero, Fatima Al-Shahrour, Manuel Hidalgo, Anirban Maitra, Chi V Dang
Purpose: To identify effective metabolic inhibitors to suppress the aggressive growth of pancreatic ductal adenocarcinoma (PDAC), we explored the in vivo anti-tumor efficacy of metabolic inhibitors in a panel of patient-derived PDAC xenograft models (PDXs), and investigated whether genomic alterations of tumors correlate with the sensitivity to metabolic inhibitors. <p>Experimental Design: Mice with PDAC tumors from six to thirteen individual PDXs were randomized and treated, once daily for 4 weeks, with either PBS (vehicle) or the glutaminase inhibitor BPTES, transaminase inhibitor aminooxyacetate (AOA), pyruvate dehydrogenase kinase inhibitor dichloroacetate (DCA), autophagy inhibitor chloroquine (CQ), mitochondrial complex I inhibitor phenformin/metformin...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
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