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https://www.readbyqxmd.com/read/28107552/reflections-on-the-history-of-indoor-air-science-focusing-on-the-last-50-years
#1
Jan Sundell
The scientific articles and Indoor Air conference publications of the indoor air sciences (IAS) during the last 50 years are summarized. In total 7524 presentations, from 79 countries, have been made at Indoor Air conferences held between 1978 (49 presentations) and 2014 (1049 presentations). In the Web of Science 26,992 articles on indoor air research (with the word "indoor" as a search term) have been found (as of 1 Jan 2016) of which 70% were published during the last 10 years. The modern scientific history started in the 1970s with a question: "did indoor air pose a threat to health as did outdoor air?" Soon it was recognized that indoor air is more important, from a health point of view, than outdoor air...
January 20, 2017: Indoor Air
https://www.readbyqxmd.com/read/28103971/-surgical-treatment-of-small-pulmonary-nodules-under-video-assisted-thoracoscopy-%C3%A2-a-report-of-129-cases
#2
Tong Wang, Tiansheng Yan, Feng Wan, Shaohua Ma, Keyi Wang, Jingdi Wang, Jintao Song, Wei He, Jie Bai, Liang Jin
BACKGROUND: The development of image technology has led to increasing detection of pulmonary small nodules year by year, but the determination of their nature before operation is difficult. This clinical study aimed to investigate the necessity and feasibility of surgical resection of pulmonary small nodules through a minimally invasive approach and the operational manner of non-small cell lung cancer (NSCLC). METHODS: The clinical data of 129 cases with pulmonary small nodule of 10 mm or less in diameter were retrospectively analyzed in our hospital from December 2013 to November 2016...
January 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28102334/cofe2o4-mil-100-fe-hybrid-magnetic-nanoparticles-exhibit-fast-and-selective-adsorption-of-arsenic-with-high-adsorption-capacity
#3
Ji-Chun Yang, Xue-Bo Yin
In this study, we report the synthesis and application of mesoporous CoFe2O4@MIL-100(Fe) hybrid magnetic nanoparticles (MNPs) for the simultaneous removal of inorganic arsenic (iAs). The hybrid adsorbent had a core-shell and mesoporous structure with an average diameter of 260 nm. The nanoscale size and mesoporous character impart a fast adsorption rate and high adsorption capacity for iAs. In total, 0.1 mg L(-1) As(V) and As(III) could be adsorbed within 2 min, and the maximum adsorption capacities were 114...
January 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28094582/effects-of-arsenic-on-porcine-dendritic-cells-in-vitro
#4
Jalil Mehrzad, Mohamad Hosein Mahmudy Gharaie, Masumeh Taheri
Exposure to arsenic (As) is an ongoing, and in some places increasing, health problem. Still, however, the effects of As exposure on the immune system are not well understood. Dendritic cells (DC) are a critical immune cell that bridges the innate and adaptive immune systems. To determine the impact of inorganic (i)As exposure on DC, the effects of (geo)anthropogenically relevant levels of NaAsO2 on the function of porcine monocyte-derived DC (MoDC) were evaluated in an in vitro model. The results showed a low dose of iAs reduced the phagocytic capacity of MoDC...
January 17, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28092963/mathematical-modeling-of-continuous-and-intermittent-androgen-suppression-for-the-treatment-of-advanced-prostate-cancer
#5
Alacia M Voth, John G Alford, Edward W Swim
Prostate cancer is one of the most prevalent types of cancer among men. It is stimulated by the androgens, or male sexual hormones, which circulate in the blood and diffuse into the tissue where they stimulate the prostate tumor to grow. One of the most important treatments for advanced prostate cancer has become androgen deprivation therapy (ADT). In this paper we present three different models of ADT for prostate cancer: continuous androgen suppression (CAS), intermittent androgen suppression (IAS), and periodic androgen suppression...
June 1, 2017: Mathematical Biosciences and Engineering: MBE
https://www.readbyqxmd.com/read/28086900/the-role-of-birthplace-and-educational-attainment-on-induced-abortion-inequalities
#6
Yolanda González-Rábago, Elena Rodriguez-Alvarez, Luisa N Borrell, Unai Martín
BACKGROUND: Induced abortion (IA) has shown social inequality related to birthplace and education with higher rates of IAs in immigrant and in less educated women relative to their native and highly educated counterparts. This study examined the independent and joint effects of birthplace and education on IA, repeated and IA performed during the 2nd trimester of pregnancy among women residing in the Basque Country, Spain. METHODS: We conducted a cross-sectional population-based study of IA among women aged 25-49 years residing in the Basque Country, Spain, between 2011 and 2013...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28065543/mitigating-dietary-arsenic-exposure-current-status-in-the-united-states-and-recommendations-for-an-improved-path-forward
#7
Keeve E Nachman, Gary L Ginsberg, Mark D Miller, Carolyn J Murray, Anne E Nigra, Claire B Pendergrast
Inorganic arsenic (iAs) is a well-characterized carcinogen, and recent epidemiologic studies have linked chronic exposures to non-cancer health outcomes, including cardiovascular disease, diabetes, skin lesions and respiratory disorders. Greater vulnerability has been demonstrated with early life exposure for health effects including lung and bladder cancer, immunotoxicity and neurodevelopment. Despite its well-known toxicity, there are important gaps in the regulatory oversight of iAs in food and in risk communication...
January 5, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28057588/global-gene-expression-patterns-and-somatic-mutations-in-sporadic-intracranial-aneurysms
#8
Zhili Li, Haibin Tan, Yi Shi, Guangfu Huang, Zhenyu Wang, Ling Liu, Cheng Yin, Qi Wang
BACKGROUND: High-throughput sequencing technologies can expand our understanding of the pathological basis of intracranial aneurysms (IAs). Our study was aimed to decipher the gene expression signature and genetic factors associated with IAs. METHODS: We determined the gene expression levels of three cases of IAs by RNA sequencing. Bioinformatics analysis was conducted to identify the differentially expressed genes (DEGs) and uncover their biological function. Moreover, whole genome sequencing (WGS) on additional six cases of IAs was performed to detect the potential somatic alterations in DEGs...
January 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28054347/ano1-in-intramuscular-interstitial-cells-of-cajal-plays-a-key-role-in-the-generation-of-slow-waves-and-tone-in-the-internal-anal-sphincter
#9
C A Cobine, E E Hannah, M H Zhu, H E Lyle, J R Rock, K M Sanders, S M Ward, K D Keef
The mechanism underlying tone generation in the internal anal sphincter (IAS) is controversial. We examined the hypothesis that tone depends upon generation of electrical slow waves (SWs) initiated in intramuscular interstitial cells of Cajal (ICC-IM) by activation of Ca(2+) -activated Cl(-) channels (encoded by Ano1) and voltage-dependent L-type Ca(2+) channels (encoded by Cacna1c). Phasic contractions and tone in the IAS were nearly abolished by ANO1 and CavL antagonists. ANO1 antagonists also abolished SWs as well as transient depolarizations that persisted after addition of CavL antagonists...
January 4, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28051232/epidemiology-of-nosocomial-infections-about-70-cases
#10
Mohamed Hedfi, Hassen Khouni, Youssra Massoudi, Cherif Abdelhedi, Karim Sassi, Adnen Chouchen
Background - The infections associated with care (IAS) constitute a major public health problem by the morbi- mortality than they generate as well as by their cost to support. The prevention of these infections has become a priority for several years everywhere in the world and in the occurrence in Tunisia. Aim - The purpose of our study is to assess the prevalence of nosocomial infections as well as develop their microbiologic  profiles in the different departments of  the hospital of FSI  Marsa Tunisia and try to highlight the risk factors that can influence these infections Methods - It was a retrospective study about  patients with noscomila infection who were admitted in the different care unit of the Hospital of FSI  Marsa and this on a period of 6 years from 1 January 2009 to 31 December 2014 Results - We have identified seventy(70) patients having contracted a nososcomial infection during the period of study for 24600 hospital admission, with a prevalence rate of 0...
July 2016: La Tunisie Médicale
https://www.readbyqxmd.com/read/28033722/inorganic-arsenic-determination-in-food-a-review-of-analytical-proposals-and-quality-assessment-over-the-last-six-years
#11
Toni Llorente-Mirandes, Roser Rubio, José Fermín López-Sánchez
Here we review recent developments in analytical proposals for the assessment of inorganic arsenic (iAs) content in food products. Interest in the determination of iAs in products for human consumption such as food commodities, wine, and seaweed among others is fueled by the wide recognition of its toxic effects on humans, even at low concentrations. Currently, the need for robust and reliable analytical methods is recognized by various international safety and health agencies, and by organizations in charge of establishing acceptable tolerance levels of iAs in food...
January 2017: Applied Spectroscopy
https://www.readbyqxmd.com/read/28024553/sustained-performance-of-a-physicianless-system-of-automated-prehospital-stemi-diagnosis-and-catheterization-laboratory-activation
#12
Brian J Potter, Alexis Matteau, Samer Mansour, Charbel Naim, Mounir Riahi, Richard Essiambre, Martine Montigny, Isabelle Sareault, François Gobeil
BACKGROUND: Treatment times for primary percutaneous coronary intervention frequently exceed the recommended maximum delay. Automated "physicianless" systems of prehospital cardiac catheterization laboratory (CCL) activation show promise, but have been met with resistance over concerns regarding the potential for false positive and inappropriate activations (IAs). METHODS: From 2010 to 2015, first responders performed electrocardiograms (ECGs) in the field for all patients with a complaint of chest pain or dyspnea...
January 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28019054/interatrial-block-and-interatrial-septal-thickness-in-patients-with-paroxysmal-atrial-fibrillation-undergoing-catheter-ablation-long-term-follow-up-study
#13
Enes E Gul, Raveen Pal, Jane Caldwell, Usama Boles, Wilma Hopman, Benedict Glover, Kevin A Michael, Damian Redfearn, Chris Simpson, Hoshiar Abdollah, Adrian Baranchuk
BACKGROUND: Interatrial block (IAB) is a strong predictor of recurrence of atrial fibrillation (AF). IAB is a conduction delay through the Bachman region, which is located in the upper region of the interatrial space. During IAB, the impulse travels from the right atrium to the interatrial septum (IAS) and coronary sinus to finally reach the left atrium in a caudocranial direction. No relation between the presence of IAB and IAS thickness has been established yet. OBJECTIVE: To determine whether a correlation exists between the degree of IAB and the thickness of the IAS and to determine whether IAS thickness predicts AF recurrence...
December 25, 2016: Annals of Noninvasive Electrocardiology
https://www.readbyqxmd.com/read/28017912/differences-in-the-integrase-and-reverse-transcriptase-transmitted-resistance-patterns-in-northern-poland
#14
Miłosz Parczewski, Magdalena Leszczyszyn-Pynka, Anna Urbańska
INTRODUCTION: With the widespread introduction of the integrase (In) inhibitors into clinical practice, transmission of drug resistance to this class of antiretroviral medications may expand. The aim of this study was to analyze the recent patterns of In resistance in treatment naive individuals in Northern Poland and its association with transmitted protease (PR) and reverse transcriptase (RT) mutations. METHODS: Study included 172 PR, RT and InI sequences from antiretroviral treatment naive HIV-1 infected patients linked to care in Northern Poland from 2010 to 2015...
December 23, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28017554/trends-and-predictors-of-hiv-1-acquired-drug-resistance-in-minas-gerais-brazil-2002-2012
#15
Helena Duani, Agdemir Waleria Aleixo, Unaí Tupinambás
Several studies show that the prevalence of multidrug-resistant HIV-1 virus is declining over time. A retrospective cohort study was carried out to evaluate the trends of drug resistance in antiretroviral treatment-exposed (ART) individuals in a state of a middle-income country, Minas Gerais, southeast region of Brazil. We analyzed 2115 HIV-1 sequences from 2002 up to 2012, from 52 cities of Minas Gerais. The groups were analyzed according to the definitions: "IAS - 3 class mutations", if ≥1 drug resistance mutation from IAS 2015 list (DRM) was present in each class; "No fully susceptible drugs" as the absence of any fully susceptible drug in Stanford algorithm; and "GSS≥2", when a maximum calculated GSS (genotypic susceptibility score) was ≥2 or ≥3, counting only drugs available in Brazil and USA at given calendar years...
December 22, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28017142/gliclazide-induced-insulin-autoimmune-syndrome-a-rare-case-report-and-review-on-literature
#16
Xiu Feng, Lu Yuan, Hu Yun, Yunqing Zhu, Fan Yang, Lanlan Jiang, Rengna Yan, Yong Luo, Enhui Zhao, Chenxiao Liu, Ying Wang, Qi Li, Xin Cao, Qian Li, Jianhua Ma
Insulin Autoimmune Syndrome (IAS) is a rare condition characterized by the combination of recurrent severely spontaneous hypoglycemia without evidence of exogenous insulin administration, high concentration of total serum insulin, and the presence of a high titer of insulin autoantibody (IAA)[ ]. But now we describe a case with IAS caused by gliclazide and hardly occuring hypoglycemia. A 70-year-old man with type 2 diabetes presented to our department with poor glycemic control without evidence of hypoglycemia, but the levels of serum insulin and IAA were very high...
December 23, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
https://www.readbyqxmd.com/read/28010730/from-antiretroviral-therapy-access-to-provision-of-third-line-regimens-evidence-of-hiv-drug-resistance-mutations-to-first-and-second-line-regimens-among-ugandan-adults
#17
Ivan Namakoola, Ivan Kasamba, Billy N Mayanja, Patrick Kazooba, Joseph Lutaakome, Fred Lyagoba, Anne A Kapaata, Pontiano Kaleebu, Paula Munderi
BACKGROUND: HIV care programs in resource-limited settings have hitherto concentrated on antiretroviral therapy (ART) access, but HIV drug resistance is emerging. In a cross-sectional study of HIV-positive adults on ART for ≥6 months enrolled into a prospective cohort in Uganda, plasma HIV RNA was measured and genotyped if ≥1000 copies/ml. Identified Drug resistance mutations (DRMs) were interpreted using the Stanford database, 2009 WHO list of DRMs and the IAS 2014 update on DRMs, and examined and tabulated by ART drug classes...
December 23, 2016: BMC Research Notes
https://www.readbyqxmd.com/read/28008671/reliability-of-reporting-the-presence-of-transformation-zone-material-in-papanicolaou-smears-using-an-automated-screening-system
#18
I Erbarut Seven, H Mollamemisoglu, F Eren
OBJECTIVE: This study was conducted to evaluate the reliability of using an interactive automated screening system (IAS) to determine the presence of endocervical and/or metaplastic cells (transformation zone material; TZM) in liquid-based cytology (LBC) Papanicolaou (Pap) smear slides. MATERIALS AND METHODS: A series of LBC Pap smears was manually screened to determine the presence or absence of TZM. The results were compared to those obtained through IAS. RESULTS: ThinPrep(®) Imaging System (Imager)-assisted screening indicated that 22...
December 23, 2016: Cytopathology: Official Journal of the British Society for Clinical Cytology
https://www.readbyqxmd.com/read/28007167/examination-of-in-vivo-mutagenicity-of-sodium-arsenite-and-dimethylarsinic-acid-in-gpt-delta-rats
#19
Masaki Fujioka, Min Gi, Satoko Kawachi, Kumiko Tatsumi, Naomi Ishii, Kenichiro Doi, Anna Kakehashi, Hideki Wanibuchi
Arsenic is a well-known human bladder and liver carcinogen, but its exact mechanism of carcinogenicity is not fully understood. Dimethylarsinic acid (DMA(V)) is a major urinary metabolite of sodium arsenite (iAs(III)) and induces urinary bladder cancers in rats. DMA(V) and iAs(III) are negative in in vitro mutagenicity tests. However, their in vivo mutagenicities have not been determined. The purpose of present study is to evaluate the in vivo mutagenicities of DMA(V) and iAs(III) in rat urinary bladder epithelium and liver using gpt delta F344 rats...
November 2016: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28007165/oxidation-state-specific-analysis-of-arsenic-species-in-tissues-of-wild-type-and-arsenic-3-oxidation-state-methyltransferase-knockout-mice
#20
Jenna M Currier, Christelle Douillet, Zuzana Drobná, Miroslav Stýblo
Arsenic methyltransferase (As3mt) catalyzes the conversion of inorganic arsenic (iAs) to its methylated metabolites, including toxic methylarsonite (MAs(III)) and dimethylarsinite (DMAs(III)). Knockout (KO) of As3mt was shown to reduce the capacity to methylate iAs in mice. However, no data are available on the oxidation states of As species in tissues of these mice. Here, we compare the oxidation states of As species in tissues of male C57BL/6 As3mt-KO and wild-type (WT) mice exposed to arsenite (iAs(III)) in drinking water...
November 2016: Journal of Environmental Sciences (China)
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