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https://www.readbyqxmd.com/read/28521775/genome-wide-association-study-of-subclinical-interstitial-lung-disease-in-mesa
#1
Ani Manichaikul, Xin-Qun Wang, Li Sun, Josée Dupuis, Alain C Borczuk, Jennifer N Nguyen, Ganesh Raghu, Eric A Hoffman, Suna Onengut-Gumuscu, Emily A Farber, Joel D Kaufman, Dan Rabinowitz, Karen D Hinckley Stukovsky, Steven M Kawut, Gary M Hunninghake, George R Washko, George T O'Connor, Stephen S Rich, R Graham Barr, David J Lederer
BACKGROUND: We conducted a genome-wide association study (GWAS) of subclinical interstitial lung disease (ILD), defined as high attenuation areas (HAA) on CT, in the population-based Multi-Ethnic Study of Atherosclerosis Study. METHODS: We measured the percentage of high attenuation areas (HAA) in the lung fields on cardiac CT scan defined as voxels with CT attenuation values between -600 and -250 HU. Genetic analyses were performed in MESA combined across race/ethnic groups: non-Hispanic White (n = 2,434), African American (n = 2,470), Hispanic (n = 2,065) and Chinese (n = 702), as well as stratified by race/ethnicity...
May 18, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28520786/a-systematic-genetic-screen-for-genes-involved-in-sensing-inorganic-phosphate-availability-in-saccharomyces-cerevisiae
#2
Joonhyuk Choi, Abbhirami Rajagopal, Yi-Fan Xu, Joshua D Rabinowitz, Erin K O'Shea
Saccharomyces cerevisiae responds to changes in extracellular inorganic phosphate (Pi) availability by regulating the activity of the phosphate-responsive (PHO) signaling pathway, enabling cells to maintain intracellular levels of the essential nutrient Pi. Pi-limitation induces upregulation of inositol heptakisphosphate (IP7) synthesized by the inositol hexakisphosphate kinase Vip1, triggering inhibition of the Pho80/Pho85 cyclin-cyclin dependent kinase (CDK) complex by the CDK inhibitor Pho81, which upregulates the PHO regulon through the CDK target and transcription factor Pho4...
2017: PloS One
https://www.readbyqxmd.com/read/28497978/extraction-and-quantitation-of-nad-p-h
#3
Wenyun Lu, Lin Wang, Li Chen, Sheng Hui, Joshua D Rabinowitz
AIMS: Accurate analysis of dinucleotide redox cofactors NADPH, NADP+, NADH, and NAD+ from biological samples is important to understanding cellular redox homeostasis. Here we aim to develop a simple protocol for quenching metabolism and extracting NADPH that avoids interconversion among the reduced forms and the oxidized forms. RESULTS: We compared seven different solvents for quenching and extraction of cultured mammalian cells and mouse tissues. Extracts were analyzed by liquid chromatography-mass spectrometry (LC-MS)...
May 12, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28486016/population-health-management-information-technology-the-view-from-the-trenches
#4
Betty Rabinowitz
No abstract text is available yet for this article.
May 9, 2017: Population Health Management
https://www.readbyqxmd.com/read/28471646/metabolite-spectral-accuracy-on-orbitraps
#5
Xiaoyang Su, Wenyun Lu, Joshua D Rabinowitz
Orbitraps are high-resolution ion-trap mass spectrometers that are widely used in metabolomics. While the mass accuracy and resolving power of orbitraps have been extensively documented, their spectral accuracy-i.e. accuracy in measuring the abundances of isotopic peaks-remains less studied. In analyzing spectra of unlabeled metabolites, we discovered a systematic under representation of heavier natural isotopic species, especially for high molecular weight metabolites (~20% underestimation of [M+1]/[M+0] ratio at m/z 600)...
May 4, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28467769/fear-of-vaginal-penetration-in-the-absence-of-pain-as-a-separate-category-of-female-sexual-dysfunction-a-conceptual-overview
#6
David Rabinowitz, Lior Lowenstein, Ilan Gruenwald
Functional sexual pain disorders in women are a particular challenge to the gynecologist, inasmuch as phobic avoidance and guarding on the part of the patient lead to difficulties in the gynecological examination and diagnosis. In some such cases examination may even be impossible. Vaginismus is the commonly diagnosed etiology of such cases. This article offers an overview of vaginismus and approaches to its treatment but also examines a subset of penetration-avoidant patients who do not appear to have a pain component...
April 28, 2017: Rambam Maimonides Medical Journal
https://www.readbyqxmd.com/read/28454495/prediction-value-of-anti-mullerian-hormone-amh-serum-levels-and-antral-follicle-count-afc-in-hormonal-contraceptive-hc-users-and-non-hc-users-undergoing-ivf-pgd-treatment
#7
Maayan Bas-Lando, Ron Rabinowitz, Rivka Farkash, Nurit Algur, Esther Rubinstein, Oshrat Schonberger, Talia Eldar-Geva
Use of hormone contraceptives (HC) is very popular in the reproductive age and, therefore, evaluation of ovarian reserve would be a useful tool to accurately evaluate the reproductive potential in HC users. We conducted a retrospective cohort study of 41 HC users compared to 57 non-HC users undergoing IVF-preimplantation genetic diagnosis (PGD) aiming to evaluate the effect of HC on the levels of anti-Mullerian hormone (AMH), small (2-5 mm), large (6-10 mm) and total antral follicle count (AFC) and the ability of these markers to predict IVF outcome...
April 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28445469/phylogenetic-ctdna-analysis-depicts-early-stage-lung-cancer-evolution
#8
Christopher Abbosh, Nicolai J Birkbak, Gareth A Wilson, Mariam Jamal-Hanjani, Tudor Constantin, Raheleh Salari, John Le Quesne, David A Moore, Selvaraju Veeriah, Rachel Rosenthal, Teresa Marafioti, Eser Kirkizlar, Thomas B K Watkins, Nicholas McGranahan, Sophia Ward, Luke Martinson, Joan Riley, Francesco Fraioli, Maise Al Bakir, Eva GrÖnroos, Francisco Zambrana, Raymondo Endozo, Wenya Linda Bi, Fiona M Fennessy, Nicole Sponer, Diana Johnson, Joanne Laycock, Seema Shafi, Justyna Czyzewska-Khan, Andrew Rowan, Tim Chambers, Nik Matthews, Samra Turajlic, Crispin Hiley, Siow Ming Lee, Martin D Forster, Tanya Ahmad, Mary Falzon, Elaine Borg, David Lawrence, Martin Hayward, Shyam Kolvekar, Nikolaos Panagiotopoulos, Sam M Janes, Ricky Thakrar, Asia Ahmed, Fiona Blackhall, Yvonne Summers, Dina Hafez, Ashwini Naik, Apratim Ganguly, Stephanie Kareht, Rajesh Shah, Leena Joseph, Anne Marie Quinn, Phil Crosbie, Babu Naidu, Gary Middleton, Gerald Langman, Simon Trotter, Marianne Nicolson, Hardy Remmen, Keith Kerr, Mahendran Chetty, Lesley Gomersall, Dean A Fennell, Apostolos Nakas, Sridhar Rathinam, Girija Anand, Sajid Khan, Peter Russell, Veni Ezhil, Babikir Ismail, Melanie Irvin-Sellers, Vineet Prakash, Jason F Lester, Malgorzata Kornaszewska, Richard Attanoos, Haydn Adams, Helen Davies, Dahmane Oukrif, Ayse U Akarca, John A Hartley, Helen L Lowe, Sara Lock, Natasha Iles, Harriet Bell, Yenting Ngai, Greg Elgar, Zoltan Szallasi, Roland F Schwarz, Javier Herrero, Aengus Stewart, Sergio A Quezada, Peter Van Loo, Caroline Dive, C Jimmy Lin, Matthew Rabinowitz, Hugo Jwl Aerts, Allan Hackshaw, Jacqui A Shaw, Bernhard G Zimmermann, Charles Swanton
The early detection of relapse following primary surgery for non-small cell lung cancer and the characterization of emerging subclones seeding metastatic sites might offer new therapeutic approaches to limit tumor recurrence. The potential to non-invasively track tumor evolutionary dynamics in ctDNA of early-stage lung cancer is not established. Here we conduct a tumour-specific phylogenetic approach to ctDNA profiling in the first 100 TRACERx (TRAcking non-small cell lung Cancer Evolution through therapy (Rx)) study participants, including one patient co-recruited to the PEACE (Posthumous Evaluation of Advanced Cancer Environment) post-mortem study...
April 26, 2017: Nature
https://www.readbyqxmd.com/read/28423326/rapid-molecular-profiling-of-defined-cell-types-using-viral-trap
#9
Alexander R Nectow, Maria V Moya, Mats I Ekstrand, Awni Mousa, Kelly L McGuire, Caroline E Sferrazza, Bianca C Field, Gabrielle S Rabinowitz, Kirsty Sawicka, Yupu Liang, Jeffrey M Friedman, Nathaniel Heintz, Eric F Schmidt
Translational profiling methodologies enable the systematic characterization of cell types in complex tissues, such as the mammalian brain, where neuronal isolation is exceptionally difficult. Here, we report a versatile strategy for profiling CNS cell types in a spatiotemporally restricted fashion by engineering a Cre-dependent adeno-associated virus expressing an EGFP-tagged ribosomal protein (AAV-FLEX-EGFPL10a) to access translating mRNAs by translating ribosome affinity purification (TRAP). We demonstrate the utility of this AAV to target a variety of genetically and anatomically defined neural populations expressing Cre recombinase and illustrate the ability of this viral TRAP (vTRAP) approach to recapitulate the molecular profiles obtained by bacTRAP in corticothalamic neurons across multiple serotypes...
April 18, 2017: Cell Reports
https://www.readbyqxmd.com/read/28422919/the-lung-rescue-unit-lru-does-a-dedicated-intensive-care-unit-for-veno-venous-extra-corporeal-membrane-oxygenation-vv-ecmo-improve-survival-to-discharge
#10
Jay Menaker, Katelyn Dolly, Raymond Rector, Joseph Kufera, Eugenia E Lee, Ali Tabatabai, Ronald P Rabinowitz, Zachary Kon, Pablo Sanchez, Si Pham, Daniel L Herr, James V O'Connor, Deborah M Stein, Thomas M Scalea
BACKGROUND: The use of veno-venous extra corporeal membrane oxygenation (VV ECMO) for acute respiratory failure/distress syndrome (ARF/ARDS) has increased since 2009. Specialized units for patients requiring VV ECMO are not standard and patients are often cohorted with other critically ill patients. The purpose of this study was to report the outcome of adult patients admitted in 2015 to the LRU, which, to our knowledge, is the first intensive care unit in the United States that has been specifically created to provide care for patients requiring VV ECMO...
April 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28339134/paranasal-sinus-lymphoma-retrospective-review-with-focus-on-clinical-features-histopathology-prognosis-and-relationship-to-systemic-lymphoma
#11
Brynn N Wajda, Mindy R Rabinowitz, Gurston G Nyquist, Stacey K Mardekian, Marc R Rosen, Michael P Rabinowitz
BACKGROUND: Paranasal sinus lymphoma is a rare clinical entity. METHODS: We conducted a retrospective case series of 68 patients with biopsy-confirmed paranasal sinus lymphoma with attention on systemic disease association. RESULTS: Of 63 patients with paranasal sinus lymphoma, 35 (56%) had systemic involvement. Four patient groups were identified: (1) primary paranasal sinus lymphoma (44%); (2) systemic disease occurring concurrently with paranasal sinus lymphoma (25%); (3) paranasal sinus lymphoma with relapse of preexisting systemic lymphoma (22%); and (4) progression to systemic disease after primary paranasal sinus lymphoma (8%)...
March 24, 2017: Head & Neck
https://www.readbyqxmd.com/read/28328183/seroprevalence-of-bartonella-species-coxiella-burnetii-and-toxoplasma-gondii-among-patients-with-hematological-malignancies-a-pilot-study-in-romania
#12
C J Messinger, E S Gurzau, E B Breitschwerdt, C I Tomuleasa, S J Trufan, M M Flonta, R G Maggi, I Berindan-Neagoe, P M Rabinowitz
Patients receiving immunosuppressive cancer treatments in settings where there is a high degree of human-animal interaction may be at increased risk for opportunistic zoonotic infections or reactivation of latent infections. We sought to determine the seroprevalence of selected zoonotic pathogens among patients diagnosed with haematologic malignancies and undergoing chemotherapeutic treatments in Romania, where much of the general population lives and/or works in contact with livestock. A convenience sample of 51 patients with haematologic cancer undergoing chemotherapy at a referral clinic in Cluj-Napoca, Romania, was surveyed regarding animal exposures...
March 22, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28314375/inter-subject-variability-of-axonal-injury-in-diffuse-traumatic-brain-injury
#13
Jeffrey B Ware, Tessa Hart, John Whyte, Amanda Rabinowitz, John A Detre, Junghoon Kim
Traumatic brain injury (TBI) is a leading cause of cognitive morbidity worldwide for which reliable biomarkers are needed. Diffusion tensor imaging (DTI) is a promising biomarker of traumatic axonal injury (TAI); however, existing studies have been limited by a primary reliance on group-level analytic methods not well suited to account for inter-subject variability. In this study, 42 adults with TBI of at least moderate severity were examined 3 months following injury and compared with 35 healthy controls. DTI data were used for both traditional group-level comparison and subject-specific analysis using the distribution-corrected Z-score (DisCo-Z) approach...
May 3, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28294464/assessing-connectivity-related-injury-burden-in-diffuse-traumatic-brain-injury
#14
Berkan Solmaz, Birkan Tunç, Drew Parker, John Whyte, Tessa Hart, Amanda Rabinowitz, Morgan Rohrbach, Junghoon Kim, Ragini Verma
Many of the clinical and behavioral manifestations of traumatic brain injury (TBI) are thought to arise from disruption to the structural network of the brain due to diffuse axonal injury (DAI). However, a principled way of summarizing diffuse connectivity alterations to quantify injury burden is lacking. In this study, we developed a connectome injury score, Disruption Index of the Structural Connectome (DISC), which summarizes the cumulative effects of TBI-induced connectivity abnormalities across the entire brain...
June 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28292907/overcoming-catastrophic-forgetting-in-neural-networks
#15
James Kirkpatrick, Razvan Pascanu, Neil Rabinowitz, Joel Veness, Guillaume Desjardins, Andrei A Rusu, Kieran Milan, John Quan, Tiago Ramalho, Agnieszka Grabska-Barwinska, Demis Hassabis, Claudia Clopath, Dharshan Kumaran, Raia Hadsell
The ability to learn tasks in a sequential fashion is crucial to the development of artificial intelligence. Until now neural networks have not been capable of this and it has been widely thought that catastrophic forgetting is an inevitable feature of connectionist models. We show that it is possible to overcome this limitation and train networks that can maintain expertise on tasks that they have not experienced for a long time. Our approach remembers old tasks by selectively slowing down learning on the weights important for those tasks...
March 28, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28285023/consistency-checks-to-improve-measurement-with-the-positive-and-negative-syndrome-scale-panss
#16
Jonathan Rabinowitz, Nina R Schooler, Ariana Anderson, Lindsay Ayearst, David Daniel, Michael Davidson, Anzalee Khan, Bruce Kinon, Francois Menard, Lewis Opler, Mark Opler, Joanne B Severe, David Williamson, Christian Yavorsky, Jun Zhao
International Society for CNS Clinical Trials and Methodology convened an expert working-group that assembled consistency/inconsistency flags for the Positive and Negative Syndrome Scale (PANSS). Twenty-four flags were identified and divided based on extent to which they represent error (Possibly, Probably, Very probably or definitely). The flags were applied to assessments derived from the NEWMEDS data repository and the CATIE clinical trial data. Almost 40% of ratings had at least one inconsistency flag raised and 10% had two...
March 8, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28278595/father-and-youth-reported-family-affective-expression-differentially-predicts-youth-internalizing-and-externalizing-symptoms
#17
Jill A Rabinowitz, Ijeoma Osigwe, Ashley Byrne, Deborah A G Drabick, Maureen D Reynolds
Temperamental approach is associated with adolescent internalizing and externalizing symptoms. Negative family affective expression, or problematic communication about emotions, is also associated with youth's risk for symptoms. However, it is unclear whether negative family affective expression differentially predicts symptoms based on (a) youth's temperamental approach and (b) informants' perceptions of negative family affective expression. To address these issues, we explored whether mother-, father-, and youth-reported negative family affective expression moderated the relation between youth temperamental approach and symptoms...
March 2, 2017: Journal of Clinical Child and Adolescent Psychology
https://www.readbyqxmd.com/read/28228144/incorporating-one-health-into-medical-education
#18
Peter M Rabinowitz, Barbara J Natterson-Horowitz, Laura H Kahn, Richard Kock, Marguerite Pappaioanou
One Health is an emerging concept that stresses the linkages between human, animal, and environmental health, as well as the need for interdisciplinary communication and collaboration to address health issues including emerging zoonotic diseases, climate change impacts, and the human-animal bond. It promotes complex problem solving using a systems framework that considers interactions between humans, animals, and their shared environment. While many medical educators may not yet be familiar with the concept, the One Health approach has been endorsed by a number of major medical and public health organizations and is beginning to be implemented in a number of medical schools...
February 23, 2017: BMC Medical Education
https://www.readbyqxmd.com/read/28198716/incidence-of-cannula-associated-deep-vein-thrombosis-after-veno-venous-ecmo
#19
Jay Menaker, Ali Tabatabai, Raymond Rector, Katelyn Dolly, Joseph Kufera, Eugenia Lee, Zachary Kon, Pablo Sanchez, Si Pham, Daniel L Herr, Michael Mazzeffi, Ronald P Rabinowitz, James V OʼConnor, Deborah M Stein, Thomas M Scalea
Limited literature regarding the incidence of cannula associated deep vein thrombosis (CaDVT) following veno-venous extracorporeal membrane oxygenation (VV ECMO) exists. The purpose of this study was to identify the incidence of post decannulation CaDVT and identify any associated risk factors. Forty eight patients were admitted between August 2014 and January 2016 to the Lung Rescue Unit were included in the study. Protocolized anticoagulation levels (partial thromboplastin time 45-55 second) and routine post decannulation DVT screening were in place during the study period...
February 13, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/28176028/occupational-risks-and-exposures-among-wildlife-health-professionals
#20
Gemina Garland-Lewis, Christopher Whittier, Suzan Murray, Sally Trufan, Peter M Rabinowitz
Most emerging infectious diseases are zoonotic in origin, with wildlife a frequent source of zoonotic disease events. Although individuals with extensive wildlife contact may be at the greatest risk of contracting novel infectious agents, the occupational risk of those working closely with wildlife has not been well studied. This study assessed the occupational exposures among wildlife health professionals working in multiple countries worldwide. An occupational risk survey of past and present exposures was developed and administered online in a confidential manner to wildlife workers recruited through an ongoing international wildlife pathogen surveillance project...
February 7, 2017: EcoHealth
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