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https://www.readbyqxmd.com/read/28437538/effects-of-diagnosis-by-newborn-screening-for-cystic-fibrosis-on-weight-and-length-in-the-first-year-of-life
#1
Daniel H Leung, Sonya L Heltshe, Drucy Borowitz, Daniel Gelfond, Margaret Kloster, James E Heubi, Michael Stalvey, Bonnie W Ramsey
Importance: Since the implementation of universal newborn screening (NBS) for cystic fibrosis (CF), the timing and magnitude of growth deficiency or its association with correlates of disease among infants with CF who underwent NBS has not been well described. Objective: To examine incremental weight gain, linear growth, and clinical features in the first year of life among infants with CF who underwent NBS. Design, Setting, and Participants: The Baby Observational and Nutrition Study (BONUS), a multicenter, longitudinal, observational cohort study, was conducted during regular CF clinic visits in the first 12 months of life at 28 US Cystic Fibrosis Foundation-accredited Care Centers from January 7, 2012, through May 31, 2015...
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28436863/optimization-of-camera-arrangement-using-correspondence-field-to-improve-depth-estimation
#2
Shichao Fu, Farzad Safaei, Wanqing Li
Stereo matching algorithms attempt to estimate depth from the images obtained by two cameras. In most cases, the arrangement of cameras (their locations and orientations with respect to the scene) are determined based on human experience. In this paper, it is shown that the camera arrangement can be optimized using the concept of correspondence field (CF) for better acquisition of depth. Specifically, the paper demonstrates the relationship between the correspondence field of a pair of cameras and depth estimation accuracy and presents a method to optimize their arrangement based on the gradient of CF...
April 18, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28436621/risk-factors-for-mortality-before-age-18-years-in-cystic-fibrosis
#3
Susanna A McColley, Michael S Schechter, Wayne J Morgan, David J Pasta, Marcia L Craib, Michael W Konstan
BACKGROUND: Understanding early-life risk factors for childhood death in cystic fibrosis (CF) is important for clinical care, including the identification of effective interventions. METHODS: Data from the Epidemiologic Study of Cystic Fibrosis (ESCF) collected 1994-2005 were linked with the Cystic Fibrosis Foundation Patient Registry (CFFPR) demographic and mortality data from 2013. Inclusion criteria were ≥1 visit annually at age 3-5 years and ≥1 FEV1 measurement at age 6-8 years...
April 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28436419/nontuberculous-mycobacteria-in-gastrostomy-fed-patients-with-cystic-fibrosis
#4
H Al-Momani, A Perry, R Jones, S Bourke, S Doe, J Perry, A Anderson, T Forrest, I Forrest, M Griffin, M Brodlie, J Pearson, C Ward
Multi-drug resistant Mycobacterium abscessus complex (MABSC) is a form of Nontuberculous mycobacteria (NTM) of special, international concern in Cystic Fibrosis (CF). We hypothesised that gastric juice and percutaneous endoscopic gastrostomy (PEG) feeding devices might yield MABSC isolates. Gastric juice and sputa from sixteen adult PEG fed CF patients and five replaced PEG tubes were studied. Bacterial and fungal isolates were cultured. Mycobacterium were identified by rpoB, sodA and hsp65 gene sequencing and strain typed using variable number tandem repeat...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28435705/a-triclinic-polymorph-of-tri-cyclo-hexyl-phosphane-sulfide-crystal-structure-and-hirshfeld-surface-analysis
#5
Yi Jiun Tan, Chien Ing Yeo, Nathan R Halcovitch, Mukesh M Jotani, Edward R T Tiekink
The title compound, (C6H11)3PS (systematic name: tri-cyclo-hexyl-λ(5)-phosphane-thione), is a triclinic (P-1, Z' = 1) polymorph of the previously reported ortho-rhom-bic form (Pnma, Z' = 1/2) [Kerr et al. (1977 ▸). Can. J. Chem. 55, 3081-3085; Reibenspies et al. (1996 ▸). Z. Kristallogr. 211, 400]. While conformational differences exist between the non-symmetric mol-ecule in the triclinic polymorph, cf. the mirror-symmetric mol-ecule in the ortho-rhom-bic form, these differences are not chemically significant...
April 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28435675/microbiome-effects-on-immunity-health-and-disease-in-the-lung
#6
REVIEW
Shakti D Shukla, Kurtis F Budden, Rachael Neal, Philip M Hansbro
Chronic respiratory diseases, including asthma, chronic obstructive pulmonary disease (COPD) and cystic fibrosis (CF), are among the leading causes of mortality and morbidity worldwide. In the past decade, the interest in the role of microbiome in maintaining lung health and in respiratory diseases has grown exponentially. The advent of sophisticated multiomics techniques has enabled the identification and characterisation of microbiota and their roles in respiratory health and disease. Furthermore, associations between the microbiome of the lung and gut, as well as the immune cells and mediators that may link these two mucosal sites, appear to be important in the pathogenesis of lung conditions...
March 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28435234/strengthening-care-teams-to-improve-adherence-in-cystic-fibrosis-a-qualitative-practice-assessment-and-quality-improvement-initiative
#7
Allison J Gardner, Alice L Gray, Staci Self, Jeffrey S Wagener
BACKGROUND: Treatment regimens for patients with cystic fibrosis (CF) are complex, time consuming, and burdensome, and adherence to CF treatment is suboptimal. CF care teams play a critical role in supporting patients' chronic self-management skills, but there is no uniform method for assessing patients' adherence to treatment or standard interventions to help patients improve when necessary. METHODS: Between May 2015 and March 2016, care team members from 10 CF centers in the USA participated in a practice assessment and quality improvement (QI) initiative...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/28434214/chitinimonas-naiadis-sp-nov-isolated-from-a-freshwater-river
#8
Shalem Raj Padakandla, Jong-Chan Chae
A rod shaped, aerobic, Gram-stain-negative, and motile bacterium, strain AR2(T), was isolated from a water sample of Yeongsan river, Republic of Korea. Strain AR2(T) clustered closely with the members of the genus Chitinimonas and showed the highest 16S rRNA gene sequence similarity with Chitinimonas prasina LY03(T) (96.4%), Chitinimonas viridis HMD2169(T) (96.4%), Chitinimonas taiwanensis cf(T) (96.2%), and Chitinimonas koreensis R2A43-10(T) (94.2%). The predominant fatty acids of strain AR2(T) were identified to be summed feature 3 (comprising C16:1ω7c and/or C16:1ω6c), C16:0, and C10:03-OH...
April 21, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28434211/health-conditions-and-motivations-for-marijuana-use-among-young-adult-medical-marijuana-patients-and-non-patient-marijuana-users
#9
Stephen E Lankenau, Janna Ataiants, Salini Mohanty, Sheree Schrager, Ellen Iverson, Carolyn F Wong
INTRODUCTION: While marijuana has been legal for medical purposes in California since 1996, little is known about the health histories of young adult medical marijuana patients who are a significant proportion of medical marijuana patients. We examined whether young adult medical marijuana patients reported health conditions and motivations for use that were consistent with medical use of marijuana in California. METHODS: Young adults (N = 366) aged 18 to 26 years were sampled in Los Angeles in 2014-2015 and segmented into medical marijuana 'patients' (n = 210), marijuana users with a current recommendation, and non-patient users or 'non-patients' (n = 156), marijuana users who never had a medical marijuana recommendation...
April 23, 2017: Drug and Alcohol Review
https://www.readbyqxmd.com/read/28431880/photo-controlled-release-of-fipronil-from-a-coumarin-triggered-precursor
#10
Zhenhong Gao, Pengtao Yuan, Donghui Wang, Zhiping Xu, Zhong Li, Xusheng Shao
Developing efficient controlled release system of insecticide can facilitate the better use of insecticide. We described here a first example of photo-controlled release of an insecticide by linking fipronil with photoresponsive coumarin covalently. The generated coumarin-fipronil (CF) precursor could undergo cleavage to release free fipronil in the presence of blue light (420nm) or sunlight. Photophysical studies of CF showed that it exhibited strong fluorescence properties. The CF had no obvious activity against mosquito larvae under dark, but it can be activated by light inside the mosquito larvae...
April 1, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28431569/co-colonisation-with-aspergillus-fumigatus-and-pseudomonas-aeruginosa-is-associated-with-poorer-health-in-cystic-fibrosis-patients-an-irish-registry-analysis
#11
Emma Reece, Ricardo Segurado, Abaigeal Jackson, Siobhán McClean, Julie Renwick, Peter Greally
BACKGROUND: Pulmonary infection is the main cause of death in cystic fibrosis (CF). Aspergillus fumigatus (AF) and Pseudomonas aeruginosa (PA) are the most prevalent fungal and bacterial pathogens isolated from the CF airway, respectively. Our aim was to determine the effect of different colonisation profiles of AF and PA on the clinical status of patients with CF. METHODS: A retrospective analysis of data from the Cystic Fibrosis Registry of Ireland from 2013 was performed to determine the effect of intermittent and persistent colonisation with AF or PA or co-colonisation with both microorganisms on clinical outcome measures in patients with CF...
April 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28431308/hyperexcitability-of-inferior-colliculus-and-acoustic-startle-reflex-with-age-related-hearing-loss
#12
Binbin Xiong, Ana'am Alkharabsheh, Senthilvelan Manohar, Guang-Di Chen, Ning Yu, Xiaoming Zhao, Richard Salvi, Wei Sun
Chronic tinnitus and hyperacusis often develop with age-related hearing loss presumably due to aberrant neural activity in the central auditory system (CAS) induced by cochlear pathologies. However, the full spectrum of physiological changes that occur in the CAS as a result age-related hearing loss are still poorly understood. To address this issue, neurophysiological measures were obtained from the cochlea and the inferior colliculus (IC) of 2, 6 and 12 month old C57BL/6J mice, a mouse model for early age-related hearing loss...
March 27, 2017: Hearing Research
https://www.readbyqxmd.com/read/28430818/comparative-genomics-of-burkholderia-multivorans-a-ubiquitous-pathogen-with-a-highly-conserved-genomic-structure
#13
Charlotte Peeters, Vaughn S Cooper, Philip J Hatcher, Bart Verheyde, Aurélien Carlier, Peter Vandamme
The natural environment serves as a reservoir of opportunistic pathogens. A well-established method for studying the epidemiology of such opportunists is multilocus sequence typing, which in many cases has defined strains predisposed to causing infection. Burkholderia multivorans is an important pathogen in people with cystic fibrosis (CF) and its epidemiology suggests that strains are acquired from non-human sources such as the natural environment. This raises the central question of whether the isolation source (CF or environment) or the multilocus sequence type (ST) of B...
2017: PloS One
https://www.readbyqxmd.com/read/28430534/chronobiological-factors-for-compassion-satisfaction-and-fatigue-among-ambulatory-oncology-caregivers
#14
Daniela Bellicoso, Maureen Trudeau, Margaret I Fitch, Martin R Ralph
Primary caregivers for victims of chronic illness and or trauma experience both positive and negative emotional consequences. These are broadly classified as compassion satisfaction (CS) and compassion fatigue (CF). Because one of the components of CF, burnout, varies with chronotype and sleep quality, we assessed the influence of chronobiological features on the broader constructs of CS and CF. Responses from primary ambulatory care oncology staff working dayshifts were assessed for potential relationships of chronotype and sleep quality with CS and CF using the professional quality of life scale...
April 21, 2017: Chronobiology International
https://www.readbyqxmd.com/read/28430418/effects-of-small-polar-molecules-ma-and-h2o-on-degradation-processes-of-perovskite-solar-cells
#15
Chunqing Ma, Dong Shen, Jian Qing, Hrisheekesh Thachoth Chandran, Ming-Fai Lo, Chun-Sing Lee
Degradation mechanisms of methylammonium lead halide perovskite solar cells (PSCs) have drawn much attention recently. Herein, the bulk and surface degradation processes of the perovskite were differentiated for the first time by employing combinational studies using electrochemical impedance spectroscopy (EIS), capacitance frequency (CF), and X-ray diffraction (XRD) studies with particular attention on the roles of small polar molecules (MA(+) and H2O). CF study shows that short-circuit current density of the PSCs is increased by H2O at the beginning of the degradation process coupled with an increased surface capacitance...
April 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28429050/assessment-of-cr-ni-and-pb-pollution-in-rural-agricultural-soils-of-tonalite-trondjhemite-series-in-central-india
#16
Kriti Shukla, Bijendra Kumar, Rahul Agrawal, Kumari Priyanka, Madavi Venkatesh, Anshumali
Chromium (Cr), nickel (Ni) and lead (Pb) contamination was investigated in wheat cultivated rain-fed and irrigated rural agricultural soils (n = 31) of Tonalite-Trondjhemite Series in Central India. The soil sampling was carried out by using stratified random sampling method. The mean concentrations of Cr, Ni and Pb were 54.8, 38.1 and 68.9 mg/kg, respectively. The average values of enrichment factor (EF), geoaccumulation index (I geo ) and contamination factor (CF) followed the order as: Pb > Ni > Cr...
April 20, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28428948/understanding-the-entanglement-neutrophil-extracellular-traps-nets-in-cystic-fibrosis
#17
REVIEW
Saira R Martínez-Alemán, Lizbeth Campos-García, José P Palma-Nicolas, Romel Hernández-Bello, Gloria M González, Alejandro Sánchez-González
Cystic fibrosis (CF) is an autosomal recessive disorder caused by mutations in the gene that codes for the CF trans-membrane conductance regulator. These mutations result in abnormal secretions viscous airways of the lungs, favoring pulmonary infection and inflammation in the middle of neutrophil recruitment. Recently it was described that neutrophils can contribute with disease pathology by extruding large amounts of nuclear material through a mechanism of cell death known as Neutrophil Extracellular Traps (NETs) into the airways of patients with CF...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28428011/cftr-dependent-defect-in-alternatively-activated-macrophages-in-cystic-fibrosis
#18
Abdullah A Tarique, Peter D Sly, Patrick G Holt, Anthony Bosco, Robert S Ware, Jayden Logan, Scott C Bell, Claire E Wainwright, Emmanuelle Fantino
BACKGROUND: The role of the macrophages in cystic fibrosis (CF) lung disease has been poorly studied. We hypothesized that alternatively activated M2 macrophages are abnormal in CF lung disease. METHODS: Blood samples were collected from adults (n=13) children (n=27) with CF on admission for acute pulmonary exacerbation and when clinically stable. Monocytes were differentiated into macrophages and polarized into classical (M1) and alternatively-activated (M2) phenotypes, function determined ex-vivo and compared with healthy controls...
April 17, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/28427567/benthic-dinoflagellate-integrator-bedi-a-new-method-for-the-quantification-of-benthic-harmful-algal-blooms
#19
Luisa Mangialajo, Anna Fricke, Gala Perez-Gutierrez, Daniela Catania, Cécile Jauzein, Rodolphe Lemee
Despite the potential negative human health, ecological and economic impact, the ecology of harmful benthic dinoflagellate blooms remains largely unknown. This is probably due to the complex interactions among biotic and abiotic drivers that influence blooms, but also to the difficulty in quantifying cell abundance in a comparable way over large spatial and temporal scales. One of the recognized priorities for bHABs (benthic Harmful Algal Blooms) assessment is developing and standardizing methods that can provide comparable data...
April 2017: Harmful Algae
https://www.readbyqxmd.com/read/28427548/autosomal-dominant-gain-of-function-stat1-mutation-and-severe-bronchiectasis
#20
Oded Breuer, Hagit Daum, Malena Cohen-Cymberknoh, Susanne Unger, David Shoseyov, Polina Stepensky, Baerbel Keller, Klaus Warnatz, Eitan Kerem
BACKGROUND: In a substantial number of patients with non-cystic fibrosis (CF) bronchiectasis an etiology cannot be found. Various complex immunodeficiency syndromes account for a significant portion of these patients but the mechanism elucidating the predisposition for suppurative lung disease often remains unknown. OBJECTIVE: To investigate the cause and mechanism predisposing a patient to severe bronchiectasis. METHODS: A patient presenting with severe non-CF bronchiectasis was investigated...
May 2017: Respiratory Medicine
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