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https://www.readbyqxmd.com/read/28647805/a-comprehensive-health-profile-of-guyanese-immigrants-aged-18-64-in-schenectady-new-york
#1
Akiko S Hosler, Jamie R Kammer
Guyanese immigrants are the 5th largest foreign-born group in NY State, but sparse literature is available on their health status and health needs. A community-based health interview survey of Schenectady NY residents aged 18-64 (N = 1861) was analyzed. Bivariate comparisons between Guyanese respondents and White, Black, and Hispanic respondents were made for each variable to identify disparities. As predominantly low SES immigrants, Guyanese adults were less likely to be covered by health insurance, have a usual place for care, and receive cancer screenings...
June 24, 2017: Journal of Immigrant and Minority Health
https://www.readbyqxmd.com/read/28647654/the-clinical-features-and-surgical-outcomes-of-spinal-cord-tanycytic-ependymomas-a-report-of-40-cases
#2
Xiaogang Tao, Zonggang Hou, Shuyu Hao, Qi Zhang, Zhen Wu, Junting Zhang, Baiyun Liu
OBJECTIVE: Spinal cord tanycytic ependymomas (TEs) are rarely reported because of extremely low incidence. Understanding of this disease is therefore poor. The aim of this study was to analyze the incidence and clinical, radiological, pathological, and prognostic features of spinal cord TEs. METHODS: Approximately 4,000 spinal cord tumors were surgically resected in Beijing Tiantan Hospital between April 2009 and May 2016. We identified all cases of pathologically proved TEs among these patients...
June 21, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28647548/the-bioeconomy-in-poland-within-the-context-of-the-european-union
#3
REVIEW
Ewa Woźniak, Tomasz Twardowski
This article outlines the potential of the development of bioeconomy in Poland in the context of the European Union (EU). The analyses take into account the concept of bioeconomy, the overview of documents referring to the bioeconomy in the EU, including policy frameworks and agendas. Many countries including Poland emphasise the importance of bioeconomy, but have not yet developed a complex strategy. The state of bioeconomy in Poland is characterised by the sectors of agriculture, forestry and food production, as well as parts of the chemical, biotechnology and energy industries...
June 21, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28647482/isolation-and-structural-characterization-of-dihydrobenzofuran-congeners-of-licochalcone-a
#4
Charlotte Simmler, David C Lankin, Dejan Nikolić, Richard B van Breemen, Guido F Pauli
In an effort to explore the residual complexity of naturally occurring chalcones from the roots of Glycyrrhiza inflata (Fabaceae), two new licochalcone A (LicA) derivatives were isolated as trace metabolites from enriched fractions. Both constituents contain a dihydrofuran moiety linked to carbons C-4 and C-5 of the retrochalcone core. Compound 1 (LicAF1) represents a new chemical entity, whereas compound 2 (LicAF2) has previously been reported as a Lewis acid catalyzed rearrangement of LicA. Evaluation of chirality revealed that both dihydrofuran derivatives existed as a mixture of R and S enantiomers...
June 21, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28647474/antiviral-profiling-of-the-capsid-assembly-modulator-bay41-4109-on-full-length-hbv-genotype-a-h-clinical-isolates-and-core-site-directed-mutants-in-vitro
#5
Jan Martin Berke, Ying Tan, Thierry Verbinnen, Pascale Dehertogh, Karen Vergauwen, Ann Vos, Oliver Lenz, Frederik Pauwels
The HBV core protein represents an attractive target for new antiviral therapies due to its multiple functions within the viral life-cycle. Here, we report the antiviral activity of the capsid assembly modulator (CAM) BAY41-4109 and two nucleos(t)ide analogues (NAs) on a diverse panel of 54 HBV clinical isolates from genotype (GT) A-H and assessed the impact of core amino acid (aa) substitutions using site-directed mutants (SDMs). The median EC50 values of BAY41-4109 across genotypes ranged from 26 nM in GT G to 215 nM in GT F irrespective of the presence of NA resistance mutations compared to 43 nM for the GT D reference construct...
June 21, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28647366/crystal-structure-of-the-crenarchaeal-exoiii-ap-endonuclease-sisexoiii-reveals-a-conserved-disulfide-bond-endowing-the-protein-with-thermostability
#6
Zhou Yan, Zenglin Yuan, Jinfeng Ni, Lichuan Gu, Yulong Shen
AP endonuclease recognizes and cleaves apurinic/apyrimidinic (AP) sites and plays a critical role in base excision repair. Many ExoIII and EndoIV family AP endonucleases have been characterized both biochemically and structurally in Eukaryote and Bacteria. However, relatively fewer have been studied in Euryarchaeota and there is no such report on an AP endonuclease from Crenarchaeota. Here we report, for the first time, the crystal structure of a crenarchaeal ExoIII AP endonuclease, SisExoIII, from Sulfolobus islandicus REY15A...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28647364/crystal-structures-of-the-isochorismatase-domains-from-vibrio-anguillarum
#7
Jiansen Du, Tian Deng, Qingjun Ma
Antibiotic resistance is becoming a global threat and overuse of antibiotics in aquaculture disease control worsens the situation. To reduce the risk of drug resistance developed in aquaculture, safer biocontrol programs are needed. Antivirulence therapy, with less chance for developing drug resistance, is a promising approach. To facilitate antivirulence inhibitor design against Vibrio anguillarum, a serious aquaculture pathogen, we present crystal structures for isochorismatase domains of AngB and VabB, which are required to synthesize siderophore, a critical virulence factor...
June 21, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28647303/the-predictors-of-metabolic-syndrome-based-on-walker-health-promoting-lifestyle-in-iran-2016
#8
REVIEW
Maryam Mohammadi, Ali Ramezankhani, Shabnam Mohammadi, Shakiba Zahed, Farahnaz Khabiri, Soheila Khodakarim, Mohsen Roshani, Majid Ghayur
BACKGROUND: Understanding the metabolic syndrome has been the center of attention in recent years as a major risk factor of many diseases. Given the rising incidence of this disease and as the patient can compete against this disease with choosing healthy lifestyle, in the present study, we investigated the predictors of metabolic syndrome, based on Walker's health-promoting lifestyle in two large cities in Iran, in 2016. METHODS: This cross-sectional study used two-stage cluster sampling to select 1128 patients, among patients who referred to health centers in Isfahan and Yazd...
May 17, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28647189/ethnobotanical-profiling-of-the-medicinal-flora-of-kotli-azad-jammu-and-kashmir-pakistan-empirical-reflections-on-multinomial-logit-specifications
#9
Muhammad Shoaib Amjad, Muhammad Arshad, Abdul Saboor, Sue Page, Sunbal Khalil Chaudhari
OBJECTIVE: To report the indigenous people's uses of plants from a multidimensional perspective in a remote area where strong ethnobotanical cultural practices prevail. METHODS: An ethnobotanical survey was conducted in the field during 2014-2016. Ethnobotanical data were gathered from 182 informants through oral interviews and semi-structured questionnaires. The distribution of plants was explored using both descriptive and graphical methods. Further, a Multinomial Logit Specification was applied to find out the probability of the occurrence of diverse utilization of plants in multipurpose domains...
May 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28647027/targeting-of-stem-cell-niches-using-unconventional-genetic-tools
#10
Vasily V Shinin, Andrey A Panteleyev
Maintenance of hair follicle (HF) stem cell quiescence and self-renewal are key functions of a specific cellular niche represented by the HF bulge and adjacent cell populations. The unique context of this niche is crucial for normal HF functioning, but mechanisms implicated in its maintenance are still not quite clear. The Letter to the Editor by Sada et al. introduces a novel Slc1a3-CreER genetic mouse model which, in contrast to previously reported marking tools, selectively and highly efficiently demarcates the telogen bulge inner layer, one of the critical structural components of the bulge stem cell niche...
July 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28646897/an-exploration-of-facilitators-and-challenges-in-the-scale-up-of-a-national-public-sector-community-health-worker-cadre-in-zambia-a-qualitative-study
#11
Sydney Chauwa Phiri, Margaret Lippitt Prust, Caroline Phiri Chibawe, Ronald Misapa, Jan Willem van den Broek, Nikhil Wilmink
BACKGROUND: In 2010 a public sector cadre of community health workers called Community Health Assistants (CHAs) was created in Zambia through the National Community Health Worker Strategy to expand access to health services. This cadre continues to be scaled up to meet the growing demands of Zambia's rural population. We summarize factors that have facilitated the scale-up of the CHA program into a nationwide CHW cadre and the challenges of introducing and institutionalizing the cadre within the Zambian health system...
June 24, 2017: Human Resources for Health
https://www.readbyqxmd.com/read/28646767/enhanced-photodegradation-of-2-4-dichlorophenoxyacetic-acid-using-a-novel-tio2-mgfe2o4-core-shell-structure
#12
Bui The Huy, Da-Som Jung, Nguyen Thi Kim Phuong, Yong-Ill Lee
A novel TiO2@MgO-Fe2O3 core-shell structure has been synthesized via a hydrolysis and co-precipitation method followed by calcination at 500 °C and has proven to be an efficient photocatalyst. The obtained TiO2@MgO-Fe2O3 core-shell was characterized by scanning electron microscopy, X-ray diffraction, and UV-Vis diffused reflectance techniques. Its photocatalytic activity toward 2,4-dichlorophenoxyacetic acid (2,4-D) was investigated in aqueous solutions with and without visible light irradiation in the presence and absence of hydrogen peroxide...
June 17, 2017: Chemosphere
https://www.readbyqxmd.com/read/28646761/regulation-on-the-aggregation-induced-emission-aie-of-dna-templated-silver-nanoclusters-by-bsa-and-its-hydrolysates
#13
Wei-Xian Wang, Yuqing Wu, Hong-Wei Li
The aggregation-induced emission (AIE) phenomenon of the metal nanoclusters (NCs) has been discovered quite recently, which is considered to be creative to improve the optical properties of NCs upon ligand aggregation. In the present study, we report an AIE system for double-stranded DNA-templated silver nanoclusters (AgNCs-dsDNA) by using bovine serum albumin (BSA) in solution, which induce a moderate emission enhancement of AgNCs (5-fold) and a blue-shift through a loosen interaction. In addition, significant luminescence enhancement (30-fold) is further stimulated by the addition of digestive enzyme to the system by altering the surface structure of the aggregated particles...
June 10, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28646729/the-structure-of-ptsd-symptoms-according-to-dsm-5-and-idc-11-proposal-a-multi-sample-analysis
#14
M Cyniak-Cieciura, K Staniaszek, A Popiel, E Pragłowska, B Zawadzki
Posttraumatic stress disorder (PTSD) symptoms structure is a subject of ongoing debate since its inclusion in DSM-III classification in 1980. Different research on PTSD symptoms structure proved the better fit of four-factor and five-factor models comparing to the one proposed by DSM-IV. With the publication of DSM-5 classification, which introduced significant changes to PTSD diagnosis, the question arises about the adequacy of the proposed criteria to the real structure of disorder symptoms. Recent analyses suggest that seven-factor hybrid model is the best reflection of symptoms structure proposed to date...
May 4, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28646566/structural-neuroimaging-correlates-of-alcohol-and-cannabis-use-in-adolescents-and-adults
#15
Rachel E Thayer, Sophie YorkWilliams, Hollis C Karoly, Amithrupa Sabbineni, Sarah Feldstein Ewing, Angela D Bryan, Kent E Hutchison
BACKGROUND AND AIMS: Chronic alcohol use is associated with lower gray matter volume, and we recently reported that alcohol use showed negative associations with widespread gray matter (GM) volume even among young adults. The current study aimed to test the strength of association between (1) alcohol use and GM volume; (2) alcohol use and white matter (WM) integrity; (3) cannabis use and GM volume; and (4) cannabis use and WM integrity among adults and adolescents. DESIGN AND SETTING: General linear models within large pooled cross-sectional samples of adolescents and adults who had participated in studies collecting substance use and neuroimaging data in the southwestern United States...
June 23, 2017: Addiction
https://www.readbyqxmd.com/read/28646508/hepatic-stimulator-substance-resists-hepatic-ischemia-reperfusion-injury-by-regulating-drp1-translocation-and-activation
#16
Chao Zhang, Jing Huang, Wei An
Ischemia-reperfusion injury (IRI), induced by abnormal mitochondrial fission related apoptosis, is a major concern in liver transplantation settings. Our previous studies have demonstrated that hepatic stimulator substance (HSS) is an anti-apoptotic effector and could protect liver from IRI. However, the underlying mechanism remains unclear. In the present study, we report that in vitro and in vivo HSS could regulate mitochondrial fission and hepatocyte apoptosis during liver IRI by orchestrating the translocation and activation of dynamin-related protein 1 (Drp1)...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28646497/geometrical-principles-of-homomeric-%C3%AE-barrels-and-%C3%AE-helices-application-to-modelling-amyloid-protofilaments
#17
Steven Hayward, E James Milner-White
Examples of homomeric β-helices and β-barrels have recently emerged. Here we generalise the theory for the shear number in β-barrels to encompass β-helices and homomeric structures. We introduce the concept of the "β-strip", the set of parallel or antiparallel neighbouring strands, from which the whole helix can be generated giving it n-fold rotational symmetry. In this context the shear number is interpreted as the sum around the helix of the fixed register shift between neighbouring identical β-strips...
June 24, 2017: Proteins
https://www.readbyqxmd.com/read/28646454/the-oswestry-disability-index-confirmatory-factor-analysis-in-a-sample-of-35-263-verifies-a-one-factor-structure-but-practicality-issues-remain
#18
Charles Philip Gabel, Antonio Cuesta-Vargas, Meihua Qian, Rok Vengust, Ulrich Berlemann, Emin Aghayev, Markus Melloh
PURPOSE: To analyze the factor structure of the Oswestry Disability Index (ODI) in a large symptomatic low back pain (LBP) population using exploratory (EFA) and confirmatory factor analysis (CFA). METHODS: Analysis of pooled baseline ODI LBP patient data from the international Spine Tango registry of EUROSPINE, the Spine Society of Europe. The sample, with n = 35,263 (55.2% female; age 15-99, median 59 years), included 76.1% of patients with a degenerative disease, and 23...
June 23, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28646447/microbial-transformations-of-selenite-by-methane-oxidizing-bacteria
#19
Abdurrahman S Eswayah, Thomas J Smith, Andreas C Scheinost, Nicole Hondow, Philip H E Gardiner
Methane-oxidizing bacteria are well known for their role in the global methane cycle and their potential for microbial transformation of wide range of hydrocarbon and chlorinated hydrocarbon pollution. Recently, it has also emerged that methane-oxidizing bacteria interact with inorganic pollutants in the environment. Here, we report what we believe to be the first study of the interaction of pure strains of methane-oxidizing bacteria with selenite. Results indicate that the commonly used laboratory model strains of methane-oxidizing bacteria, Methylococcus capsulatus (Bath) and Methylosinus trichosporium OB3b, are both able to reduce the toxic selenite (SeO3(2-)) but not selenate (SeO4(2-)) to red spherical nanoparticulate elemental selenium (Se(0)), which was characterized via energy-dispersive X-ray spectroscopy (EDXS), X-ray absorption near-edge structure (XANES) and extended X-ray absorption fine structure (EXAFS)...
June 23, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28646425/hydroxylamine-induced-oxidation-of-ferrous-carbonylated-truncated-hemoglobins-from-mycobacterium-tuberculosis-and-campylobacter-jejuni-is-limited-by-carbon-monoxide-dissociation
#20
Paolo Ascenzi, Chiara Ciaccio, Tecla Gasperi, Alessandra Pesce, Lucia Caporaso, Massimo Coletta
Hydroxylamine (HA) is an oxidant of ferrous globins and its action has been reported to be inhibited by CO, even though this mechanism has not been clarified. Here, kinetics of the HA-mediated oxidation of ferrous carbonylated Mycobacterium tuberculosis truncated hemoglobin N and O (Mt-trHbN(II)-CO and Mt-trHbO(II)-CO, respectively) and Campylobacter jejuni truncated hemoglobin P (Cj-trHbP(II)-CO), at pH 7.2 and 20.0 °C, are reported. Mixing Mt-trHbN(II)-CO, Mt-trHbO(II)-CO, and Cj-trHbP(II)-CO solution with the HA solution brings about absorption spectral changes reflecting the disappearance of the ferrous carbonylated derivatives with the concomitant formation of the ferric species...
June 23, 2017: Journal of Biological Inorganic Chemistry: JBIC
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