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restrictive lung disease

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https://www.readbyqxmd.com/read/28645111/intersecting-transcriptomic-profiling-technologies-and-long-non-coding-rna-function-in-lung-adenocarcinoma-discovery-mechanisms-and-therapeutic-applications
#1
REVIEW
Jonathan Castillo, Theresa R Stueve, Crystal N Marconett
Previously thought of as junk transcripts and pseudogene remnants, long non-coding RNAs (lncRNAs) have come into their own over the last decade as an essential component of cellular activity, regulating a plethora of functions within multicellular organisms. lncRNAs are now known to participate in development, cellular homeostasis, immunological processes, and the development of disease. With the advent of next generation sequencing technology, hundreds of thousands of lncRNAs have been identified. However, movement beyond mere discovery to the understanding of molecular processes has been stymied by the complicated genomic structure, tissue-restricted expression, and diverse regulatory roles lncRNAs play...
June 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28644254/sporadic-creutzfeldt-jakob-disease-with-unilateral-symptoms-in-the-setting-of-metastatic-renal-cell-carcinoma
#2
Kyle C Rossi, Christine M Stahl, Pengfei Zhang, John W Liang, Lara V Marcuse, Fred Lublin
INTRODUCTION: Although it is not rare for magnetic resonance imaging findings in Creutzfeldt-Jakob disease to be asymmetric, unilateral clinical syndromes are uncommonly reported and may confound diagnosis. In addition, neurological paraneoplastic syndromes are not common in renal cell carcinoma, though there are cases reported, often without an offending antibody isolated. CASE REPORT: A 66-year-old man was admitted with 1 month of left-sided numbness and "loss of control" of the left arm...
July 2017: Neurologist
https://www.readbyqxmd.com/read/28631159/distinctive-pathological-and-clinical-features-of-lung-carcinoids-with-high-proliferation-index
#3
Caterina Marchiò, Gaia Gatti, Federica Massa, Luca Bertero, Pierluigi Filosso, Giuseppe Pelosi, Paola Cassoni, Marco Volante, Mauro Papotti
Typical (TCs) and atypical carcinoids (ACs) are defined based on morphological criteria, and no grading system is currently accepted to further stratify these entities. The 2015 WHO classification restricts the Ki-67 role to biopsy or cytology samples, rather than for prognostic prediction. We aimed to investigate whether values and patterns of Ki-67 alone would allow for a clinically meaningful stratification of lung carcinoids, regardless of histological typing. Ki-67 proliferation index and pattern (homogeneous versus heterogeneous expression) were assessed in a cohort of 171 TCs and 68 ACs...
June 19, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28630471/candidatus-mycoplasma-girerdii-replicates-diversifies-and-co-occurs-with-trichomonas-vaginalis-in-the-oral-cavity-of-a-premature-infant
#4
Elizabeth K Costello, Christine L Sun, Erica M Carlisle, Michael J Morowitz, Jillian F Banfield, David A Relman
Genital mycoplasmas, which can be vertically transmitted, have been implicated in preterm birth, neonatal infections, and chronic lung disease of prematurity. Our prior work uncovered 16S rRNA genes belonging to a novel, as-yet-uncultivated mycoplasma (lineage 'Mnola') in the oral cavity of a premature neonate. Here, we characterize the organism's associated community, growth status, metabolic potential, and population diversity. Sequencing of genomic DNA from the infant's saliva yielded 1.44 Gbp of high-quality, non-human read data, from which we recovered three essentially complete (including 'Mnola') and three partial draft genomes (including Trichomonas vaginalis)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629359/forced-expiration-measurements-in-mouse-models-of-obstructive-and-restrictive-lung-diseases
#5
Fien C Devos, André Maaske, Annette Robichaud, Lore Pollaris, Sven Seys, Carolina Aznar Lopez, Erik Verbeken, Matthias Tenbusch, Rik Lories, Benoit Nemery, Peter Hm Hoet, Jeroen Aj Vanoirbeek
BACKGROUND: Pulmonary function measurements are important when studying respiratory disease models. Both resistance and compliance have been used to assess lung function in mice. Yet, it is not always clear how these parameters relate to forced expiration (FE)-related parameters, most commonly used in humans. We aimed to characterize FE measurements in four well-established mouse models of lung diseases. METHOD: Detailed respiratory mechanics and FE measurements were assessed concurrently in Balb/c mice, using the forced oscillation and negative pressure-driven forced expiration techniques, respectively...
June 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28610911/airway-glucose-homeostasis-a-new-target-in-the-prevention-and-treatment-of-pulmonary-infection
#6
REVIEW
Emma H Baker, Deborah L Baines
In health, the glucose concentration of airway surface liquid (ASL) is 0.4mM, around 12 times lower than blood glucose concentration. Airway glucose homeostasis is a set of processes that actively maintain low ASL glucose concentration against the transepithelial gradient. Tight junctions between airway epithelial cells restrict paracellular glucose movement. Epithelial cellular glucose transport and metabolism removes glucose from ASL. Low ASL glucose concentrations make an important contribution to airways defence against infection, limiting bacterial growth by restricting nutrient availability...
June 10, 2017: Chest
https://www.readbyqxmd.com/read/28606585/cancer-in-primary-immunodeficiency-diseases-cancer-incidence-in-the-united-states-immune-deficiency-network-registry
#7
Paul C Mayor, Kevin H Eng, Kelly L Singel, Scott I Abrams, Kunle Odunsi, Kirsten B Moysich, Ramsay Fuleihan, Elizabeth Garabedian, Patricia Lugar, Hans D Ochs, Francisco A Bonilla, Rebecca H Buckley, Kathleen E Sullivan, Zuhair K Ballas, Charlotte Cunningham-Rundles, Brahm H Segal
BACKGROUND: We evaluated the overall and site-specific incidence of cancer in subjects with primary immunodeficiency diseases (PIDD) enrolled in the United States Immune Deficiency Network (USIDNET) registry compared with age-adjusted cancer incidence in the Surveillance, Epidemiology and End Results Program (SEER) database. We hypothesized that subjects with PIDD would have an increased incidence of cancer due to impaired immune function. METHODS: Overall and site-specific cancer incidence rates were evaluated in subjects with PIDD (n = 3,658) enrolled in the USIDNET registry from 2003-2015, and compared with age-adjusted incidence rates in the SEER database...
June 9, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28598732/pulmonary-function-tests-for-the-radiologist
#8
Hsiang-Jer Tseng, Travis S Henry, Srihari Veeraraghavan, Pardeep K Mittal, Brent P Little
Pulmonary function tests (PFTs) provide important quantitative information about lung function and can be used to elucidate pathologic conditions responsible for respiratory symptoms, assess the severity and course of disease, and evaluate the patient for suitability and timing for lung transplantation. They are typically used in tandem with chest imaging, along with other ancillary data, to arrive at a specific diagnosis. PFTs may provide the radiologist with clues to the diagnosis and grading of a wide variety of pulmonary diseases...
June 9, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/28594857/noninvasive-assessment-of-respiratory-muscle-strength-and-activity-in-myotonic-dystrophy
#9
Morgana de Araújo Evangelista, Fernando Augusto Lavezzo Dias, Mário Emílio Teixeira Dourado Júnior, George Carlos do Nascimento, Antonio Sarmento, Lucien Peroni Gualdi, Andrea Aliverti, Vanessa Resqueti, Guilherme Augusto de Freitas Fregonezi
OBJECTIVE: To evaluate sensitivity/specificity of the maximum relaxation rate (MRR) of inspiratory muscles, amplitude of electromyographic activity of the sternocleidomastoid (SCM), scalene (SCA), parasternal (2ndIS) and rectus abdominis (RA) muscles; lung function and respiratory muscle strength in subjects with Myotonic dystrophy type 1 (DM1) compared with healthy subjects. DESIGN AND METHODS: Quasi-experimental observational study with control group. MRR of inspiratory muscles, lung function and amplitude of the electromyographic activity of SCM, SCA, 2ndIS and RA muscles during maximum inspiratory pressure (PImax), maximum expiratory pressure (PEmax) and sniff nasal inspiratory pressure (SNIP) tests were assessed in eighteen DM1 subjects and eleven healthy...
2017: PloS One
https://www.readbyqxmd.com/read/28586598/an-unusual-pathogen-causing-native-valve-endocarditis
#10
Aneela Hussain, Nosheen Nasir, Bushra Jamil
We present the case of a gentleman who was being evaluated for restrictive lung disease and was incidentally found to have mitral valve stenosis on an HRCT. During the surgical procedure for valve replacement, he was found to have an abscess around the native mitral valve which was drained. Pus from the abscess as well as the valve tissue grew Propionibacterium acnes after holding the cultures long. The patient was treated with IV ceftriaxone with good response to therapy. While Propionibacterium acnes is known to cause prosthetic valve infections there are rare case reports with native valves...
October 2016: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28576879/robust-patient-derived-xenografts-of-mds-mpn-overlap-syndromes-capture-the-unique-characteristics-of-cmml-and-jmml
#11
Akihide Yoshimi, Maria E Balasis, Alexis Vedder, Kira Feldman, Yan Ma, Hailing Zhang, Stanley Chun-Wei Lee, Christopher Letson, Sandrine Niyongere, Sydney X Lu, Markus Ball, Justin Taylor, Qing Zhang, Yulong Zhao, Salma Youssef, Young Rock Chung, Xiao Jing Zhang, Benjamin H Durham, Wendy Yang, Alan F List, Mignon L Loh, Virginia Klimek, Michael F Berger, Elliot Stieglitz, Eric Padron, Omar Abdel-Wahab
Chronic myelomonocytic leukemia (CMML) and juvenile myelomonocytic leukemia (JMML) are characterized by monocytosis, myelodysplasia, and a characteristic hypersensitivity to GM-CSF. Currently, there are no available disease-modifying therapies for CMML, nor are there preclinical models that fully recapitulate the unique features of CMML. Through use of immunocompromised mice with transgenic expression of human GM-CSF, IL-3, and SCF in a NOD/SCID-IL2Rγ(null) background (NSGS mice), we demonstrate remarkable engraftment of CMML and JMML providing the first examples of serially transplantable and genetically accurate models of CMML...
June 2, 2017: Blood
https://www.readbyqxmd.com/read/28572686/use-of-patterned-collagen-coated-slides-to-study-normal-and-scleroderma-lung-fibroblast-migration
#12
Bahja Ahmed Abdi, Henry Lopez, Sarah Karrar, Elisabetta Renzoni, Athol Wells, Angela Tam, Oseme Etomi, J Justin Hsuan, George R Martin, Xu Shiwen, Christopher P Denton, David Abraham, Richard Stratton
Systemic sclerosis (SSc) is a spreading fibrotic disease affecting the skin and internal organs. We aimed to model pathogenic fibroblast migration in SSc in order to identify enhancing factors, measure the effect of migrating cells on underlying extracellular matrix (ECM) and test possible therapeutic inhibitors. Novel patterned collagen substrates were used to investigate alignment and migration of skin and lung fibroblasts from SSc patients and healthy controls. Normal lung but not skin fibroblasts consistently elongated and aligned with underlying collagen and migrated dependent on PDGF or serum...
June 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28572154/novel-role-of-npy-in-neuro-immune-interaction-and-lung-growth-after-intrauterine-growth-restriction
#13
Chansutha Thangaratnarajah, Katharina Dinger, Christina Vohlen, Christian Klaudt, Jawed Nawabi, Eva Lopez Garcia, Grazyna Kwapiszewska, Julia Dobner, Kai D Nuesken, Silke van Koningsbruggen-Rietschel, Stephan von Hoersten, Jörg Dötsch, Miguel Angel Alejandre Alcazar
Individuals with intrauterine growth restriction (IUGR) are at risk for chronic lung disease. Using a rat model, our previous studies showed that altered lung structure is related to IL-6/STAT3 signaling. As Neuropeptide Y (NPY), a co-neurotransmitter of the sympathetic nerve system, regulates proliferation and immune response, we hypothesized that dysregulated NPY after IUGR is linked to IL-6, impaired myofibroblast function, and alveolar growth. IUGR was induced in rats by isocaloric low-protein diet; lungs were analyzed on embryonic day (E) 21, postnatal day (P) 3, P12 and P23...
June 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28558711/sarcoidosis-as-a-rare-cause-for-symmetrical-giant-bullous-disease
#14
Wolfgang Jungraithmayr, Elisa Leggeri, Walter Weder, Bart Vrugt
BACKGROUND: Sarcoidosis presents with typical clinic-radiological findings and shows histologically non-caseating granulomas. Pulmonary manifestations of sarcoidosis can be diverse, involving the intrathoracic lymph nodes and pulmonary parenchyma. CASE PRESENTATION: We here describe a case of a 35-year-old patient who presented with a history of exertion dyspnoea and coughing for the past 20 years. At the age of 15, she was exposed to smoke emanating from a fire...
May 30, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28546266/health-related-quality-of-life-and-risk-factors-associated-with-spirometric-restriction
#15
Stefano Guerra, Anne-Elie Carsin, Dirk Keidel, Jordi Sunyer, Bénédicte Leynaert, Christer Janson, Debbie Jarvis, Daiana Stolz, Thomas Rothe, Marco Pons, Alexander Turk, Josep M Anto, Nicole Probst-Hensch
The restrictive spirometric pattern is associated with a substantial morbidity and mortality burden. We sought to determine to what extent spirometric restriction is associated with impaired quality of life.We used data from two large population-based European cohorts: 6698 European Community Respiratory Health Survey (ECRHS) and 6069 Swiss Cohort Study on Air Pollution and Lung and Heart Diseases in Adults (SAPALDIA) adult participants. The restrictive pattern was defined as forced expiratory volume in 1 s (FEV1)/forced vital capacity (FVC) ≥lower limit of normal (LLN) and FVC <LLN; an obstructive pattern was defined as FEV1/FVC <LLN independent of FVC...
May 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28544706/exhaled-nitric-oxide-pulmonary-function-and-disease-activity-in-children-with-systemic-lupus-erythematosus
#16
Jitladda Deerojanawong, Pitchaya Leartphichalak, Ankanee Chanakul, Suchada Sritippayawan, Rujipat Samransamruajkit
AIM: To determine the association among fractional exhaled nitric oxide (FENO), pulmonary function, and disease activity in children with systemic lupus erythematosus (SLE). METHODS: Children aged 7-18 years, diagnosed with SLE under the criteria of the American Rheumatism Association (revised 2012), were enrolled. All eligible participants had disease activity, FENO, and pulmonary function evaluated and re-evaluated at 6-month follow-up. RESULTS: Twenty-four children (95...
May 22, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28525852/absolute-quantification-of-dna-methylation-using-microfluidic-chip-based-digital-pcr
#17
Zhenhua Wu, Yanan Bai, Zule Cheng, Fangming Liu, Ping Wang, Dawei Yang, Gang Li, Qinghui Jin, Hongju Mao, Jianlong Zhao
Hypermethylation of CpG islands in the promoter region of many tumor suppressor genes downregulates their expression and in a result promotes tumorigenesis. Therefore, detection of DNA methylation status is a convenient diagnostic tool for cancer detection. Here, we reported a novel method for the integrative detection of methylation by the microfluidic chip-based digital PCR. This method relies on methylation-sensitive restriction enzyme HpaII, which cleaves the unmethylated DNA strands while keeping the methylated ones intact...
May 12, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28516823/predictors-of-health-related-quality-of-life-in-children-with-chronic-heart-disease
#18
Mandy Niemitz, Diana C M Gunst, Hedwig H Hövels-Gürich, Michael Hofbeck, Renate Kaulitz, Christoph Galm, Felix Berger, Nicole Nagdyman, Brigitte Stiller, Thomas Borth-Bruhns, Ines Konzag, Christian Balmer, Lutz Goldbeck
OBJECTIVE: Chronic paediatric heart disease is often associated with residual symptoms, persisting functional restrictions, and late sequelae for psychosocial development. It is, therefore, increasingly important to evaluate the health-related quality of life of children and adolescents with chronic heart disease. The aim of this study was to determine medical and socio-demographic variables affecting health-related quality of life in school-aged children and adolescents with chronic heart disease...
May 18, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28516728/increased-heterogeneity-of-airway-calibre-in-adult-rats-after-hypoxia-induced-intrauterine-growth-restriction
#19
Kimberley C W Wang, Jude S Morton, Sandra T Davidge, Alexander N Larcombe, Alan L James, Graham M Donovan, Peter B Noble
BACKGROUND AND OBJECTIVE: Intrauterine growth restriction (IUGR) is associated with asthma development. We hypothesized that IUGR disrupts airway development leading to postnatal structural abnormalities of the airway that predispose to disease. This study therefore examined structural changes to the airway and lung in a rat model of maternal hypoxia-induced IUGR. METHODS: Pregnant rats were housed under hypoxic conditions (11.5% O2 ) from gestational days (GDs) 13 to 20 (pseudoglandular-canalicular stages, i...
May 17, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28513215/presence-of-air-trapping-and-mosaic-attenuation-on-chest-ct-predicts-survival-in-chronic-hypersensitivity-pneumonitis
#20
Jonathan H Chung, Xi Zhan, Mengshu Cao, Tilman L Koelsch, Diana C Gomez, Kevin K Brown, David A Lynch, Gloria Russell, Evans R Fernández Pérez
RATIONALE: Significant heterogeneity of computed tomography (CT) presentation exists within chronic hypersensitivity pneumonitis (CHP). There is limited data aimed at delineating the prognostic value of specific CT features, distribution, and patterns in CHP. OBJECTIVES: To examine whether the presence of CT mosaic attenuation and air-trapping, and the distribution or patterns of fibrosis impact survival in subjects with CHP. METHODS: From the National Jewish Health interstitial lung disease research database, we retrospectively identified 110 consecutively enrolled well-characterized biopsy-proven CHP adult subjects between 1982 and 2015...
May 17, 2017: Annals of the American Thoracic Society
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