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https://www.readbyqxmd.com/read/29166127/bat-biology-genomes-and-the-bat1k-project-to-generate-chromosome-level-genomes-for-all-living-bat-species
#1
Emma Teeling, Sonja Vernes, Liliana M Davalos, David A Ray, M Thomas P Gilbert, Eugene Myers, Bat K Consortium
Bats are unique among mammals, possessing some of the rarest mammalian adaptations, including true self-powered flight, laryngeal echolocation, exceptional longevity, unique immunity, contracted genomes, and vocal learning. They provide key ecosystem services, pollinating tropical plants, dispersing seeds, and controlling insect pest populations, thus driving healthy ecosystems. They account for more than 20% of all living mammalian diversity, and their crown-group evolutionary history dates back to the Eocene...
November 20, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/29162422/chlamydiales-anaplasma-and-bartonella-persistence-and-immune-escape-of-intracellular-bacteria
#2
Aurélie Scherler, Nicolas Jacquier, Gilbert Greub
Intracellular bacteria, such as Chlamydiales, Anaplasma or Bartonella, need to persist inside their host in order to complete their developmental cycle and to infect new hosts. In order to escape from the host immune system, intracellular bacteria have developed diverse mechanisms of persistence, which can directly impact the health of their host.
November 18, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29161065/from-nuremberg-to-guantanamo-bay-uses-of-physicians-in-the-war-on-terror
#3
Sondra S Crosby, Gilbert Benavidez
Seventy years after the Nuremberg Doctors' Trial, health professionals and lawyers working together after 9/11 played a critical role in designing, justifying, and carrying out the US state-sponsored torture program in the CIA "Black Sites" and US military detention centers, including Abu Ghraib, Bagram, and Guantanamo Bay, Cuba. We analyze the similarities between the Nazi doctors and health professionals in the War on Terror and address the question of how it happened that health professionals, including doctors, psychologists, physician assistants, and nurses, acted as agents of the state to utilize their medical and healing skills to cause harm and sanitize barbarous acts, similar to (though not on the scale of) how Nazi doctors were used by the Third Reich...
November 21, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/29160922/igf1r-signalling-in-testicular-germ-cell-tumour-cells-impacts-on-cell-survival-and-acquired-cisplatin-resistance
#4
Joanna Selfe, Neil C Goddard, Alan McIntyre, Kathryn R Taylor, Jane Renshaw, Sergey D Popov, Khin Thway, Brenda Summersgill, Robert A Huddart, Duncan C Gilbert, Janet M Shipley
Testicular germ cell tumours (TGCT) are the most frequent malignancy and cause of death from solid tumours in the 20-40 year age group. Although most cases show sensitivity to cis-platinum-based chemotherapy, this is associated with long-term toxicities and chemo-resistance. Roles for receptor tyrosine kinases other than KIT are largely unknown in TGCT. We therefore conducted a phosphoproteomic screen and identified the insulin growth factor receptor-1 (IGF1R) as both highly expressed and activated in TGCT cell lines representing the non-seminomatous subtype...
November 21, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/29157522/tricuspid-clip-step-by-step-and-clinical-data
#5
REVIEW
Gilbert H L Tang
Symptomatic severe tricuspid regurgitation (TR), if untreated, carries a dismal prognosis. These patients are at very high risk for surgical repair or replacement and transcatheter options to treat TR are emerging. More than 300 transcatheter tricuspid repairs with the MitraClip system have been performed worldwide with promising results. The TriClip system, with the MitraClip NT delivered via a dedicated tricuspid steerable guide catheter, is currently under investigation. This article describes the step-by-step technique on using the MitraClip system to perform transcatheter tricuspid repair using echocardiographic and fluoroscopic guidance...
January 2018: Interventional cardiology clinics
https://www.readbyqxmd.com/read/29156137/biologically-consistent-annotation-of-metabolomics-data
#6
Nicholas Alden, Smitha Krishnan, Vladimir Porokhin, Ravali Raju, Kyle McElearney, Alan Gilbert, Kyongbum Lee
Annotation of metabolites remains a major challenge in liquid chromatography-mass spectrometry (LC-MS) based untargeted metabolomics. The current gold standard for metabolite identification is to match the detected feature with an authentic standard analyzed on the same equipment and using the same method as the experimental samples. However, there are substantial practical challenges in applying this approach to large datasets. One widely used annotation approach is to search spectral libraries in reference databases for matching metabolites; however, this approach is limited by the incomplete coverage of these libraries...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29156024/transatlantic-editorial-thoracic-surgeons-need-recognition-of-competence-in-thoracic-oncology
#7
Gilbert Massard, Mara B Antonoff, Julie-Lynn Noel, Alessandro Brunelli, Farhood Farjah, Michael Lanuti, Dirk Van Raemdonck
No abstract text is available yet for this article.
October 1, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29151244/identification-of-rare-noncoding-sequence-variants-in-gamma-aminobutyric-acid-a-receptor-alpha-4-subunit-in-autism-spectrum-disorder
#8
Anthony J Griswold, Derek Van Booven, Michael L Cuccaro, Jonathan L Haines, John R Gilbert, Margaret A Pericak-Vance
Alterations of the gamma-aminobutyric acid (GABA) signaling system has been strongly linked to the pathophysiology of autism spectrum disorder (ASD). Genetic associations of common variants in GABA receptor subunits, in particular GABRA4 on chromosome 4p12, with ASD have been replicated by several studies. Moreover, molecular investigations have identified altered transcriptional and translational levels of this gene and protein in brains of ASD individuals. Since the genotyped common variants are likely not the functional variants contributing to the molecular consequences or underlying ASD phenotype, this study aims to examine rare sequence variants in GABRA4, including those outside the protein coding regions of the gene...
November 18, 2017: Neurogenetics
https://www.readbyqxmd.com/read/29149197/sieve-analysis-of-breakthrough-hiv-1-sequences-in-hvtn-505-identifies-vaccine-pressure-targeting-the-cd4-binding-site-of-env-gp120
#9
Allan C deCamp, Morgane Rolland, Paul T Edlefsen, Eric Sanders-Buell, Breana Hall, Craig A Magaret, Andrew J Fiore-Gartland, Michal Juraska, Lindsay N Carpp, Shelly T Karuna, Meera Bose, Steven LePore, Shana Miller, Annemarie O'Sullivan, Kultida Poltavee, Hongjun Bai, Kalpana Dommaraju, Hong Zhao, Kim Wong, Lennie Chen, Hasan Ahmed, Derrick Goodman, Matthew Z Tay, Raphael Gottardo, Richard A Koup, Robert Bailer, John R Mascola, Barney S Graham, Mario Roederer, Robert J O'Connell, Nelson L Michael, Merlin L Robb, Elizabeth Adams, Patricia D'Souza, James Kublin, Lawrence Corey, Daniel E Geraghty, Nicole Frahm, Georgia D Tomaras, M Juliana McElrath, Lisa Frenkel, Sheila Styrchak, Sodsai Tovanabutra, Magdalena E Sobieszczyk, Scott M Hammer, Jerome H Kim, James I Mullins, Peter B Gilbert
Although the HVTN 505 DNA/recombinant adenovirus type 5 vector HIV-1 vaccine trial showed no overall efficacy, analysis of breakthrough HIV-1 sequences in participants can help determine whether vaccine-induced immune responses impacted viruses that caused infection. We analyzed 480 HIV-1 genomes sampled from 27 vaccine and 20 placebo recipients and found that intra-host HIV-1 diversity was significantly lower in vaccine recipients (P ≤ 0.04, Q-values ≤ 0.09) in Gag, Pol, Vif and envelope glycoprotein gp120 (Env-gp120)...
2017: PloS One
https://www.readbyqxmd.com/read/29148338/comprehensive-support-for-family-caregivers-impact-on-veteran-health-care-utilization-and-costs
#10
Courtney Harold Van Houtven, Valerie A Smith, Karen M Stechuchak, Megan Shepherd-Banigan, Susan Nicole Hastings, Matthew L Maciejewski, Gilbert Darryl Wieland, Maren K Olsen, Katherine E M Miller, Margaret Kabat, Jennifer Henius, Margaret Campbell-Kotler, Eugene Z Oddone
This study aimed to examine the early impact of the Program of Comprehensive Assistance for Family Caregivers (PCAFC) on Veteran health care utilization and costs. A pre-post cohort design including a nonequivalent control group was used to understand how Veterans' use of Veteran Affairs health care and total health care costs changed in 6-month intervals up to 3 years after PCAFC enrollment. The control group was an inverse probability of treatment weighted sample of Veterans whose caregivers applied for, but were not accepted into, PCAFC...
March 1, 2017: Medical Care Research and Review: MCRR
https://www.readbyqxmd.com/read/29147907/protein-repair-from-glycation-by-glyoxals-by-the-dj-1-family-maillard-deglycases
#11
Mouadh Mihoub, Jad Abdallah, Gilbert Richarme
DJ-1 and its prokaryotic homologs, Hsp31, YhbO and YajL from Escherichia coli and PfpI from Pyrococcus furiosus, repair proteins from glycation by glyoxals (R-CO-CHO), which constitute their major glycating agents. Glycation is a non-enzymatic covalent reaction discovered by Louis Camille Maillard in 1912, between reactive carbonyls (reducing sugars and glyoxals) and amino acids (cysteine, arginine and lysine), which inactivates proteins. By degrading Maillard adducts formed between carbonyls and thiols or amino groups, the DJ-1 family Maillard deglycases prevent the formation of the so-called advanced glycation end products (AGEs) that arise from Maillard adducts after dehydrations, oxidations and rearrangements...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29146814/natural-selection-shaped-the-rise-and-fall-of-passenger-pigeon-genomic-diversity
#12
Gemma G R Murray, André E R Soares, Ben J Novak, Nathan K Schaefer, James A Cahill, Allan J Baker, John R Demboski, Andrew Doll, Rute R Da Fonseca, Tara L Fulton, M Thomas P Gilbert, Peter D Heintzman, Brandon Letts, George McIntosh, Brendan L O'Connell, Mark Peck, Marie-Lorraine Pipes, Edward S Rice, Kathryn M Santos, A Gregory Sohrweide, Samuel H Vohr, Russell B Corbett-Detig, Richard E Green, Beth Shapiro
The extinct passenger pigeon was once the most abundant bird in North America, and possibly the world. Although theory predicts that large populations will be more genetically diverse, passenger pigeon genetic diversity was surprisingly low. To investigate this disconnect, we analyzed 41 mitochondrial and 4 nuclear genomes from passenger pigeons and 2 genomes from band-tailed pigeons, which are passenger pigeons' closest living relatives. Passenger pigeons' large population size appears to have allowed for faster adaptive evolution and removal of harmful mutations, driving a huge loss in their neutral genetic diversity...
November 17, 2017: Science
https://www.readbyqxmd.com/read/29145816/renal-failure-during-chemotherapy-renal-biopsy-for-assessing-subacute-nephrotoxicity-of-pemetrexed
#13
Maureen Assayag, Philippe Rouvier, Marion Gauthier, Ghania Costel, Philippe Cluzel, Lucile Mercadal, Gilbert Deray, Corinne Isnard Bagnis
BACKGROUND: Pemetrexed, a multitargeted antifolate cytotoxic agent, is currently used primarily in combination with cisplatin for metastatic non-small cell lung cancer and for malignant mesothelioma. Acute renal toxicity of pemetrexed has been recently described with polychemotherapy, in which the individual responsibility of each drug is difficult to establish. Only one recent report documents renal involvement in long-term exposed patients. CASE PRESENTATION: We report on a case of rapidly progressive nephropathy leading to the cessation of platinum salts and the secondary interruption of pemetrexed and bevacizumab...
November 16, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29144816/a-case-of-piezogenic-pedal-papules-in-a-man-with-acromegaly
#14
Kenyon C Bolton, Matthew P Gilbert
No abstract text is available yet for this article.
November 16, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/29143947/connexin-30-is-expressed-in-a-subtype-of-mouse-brain-pericytes
#15
Noémie Mazaré, Alice Gilbert, Anne-Cécile Boulay, Nathalie Rouach, Martine Cohen-Salmon
Pericytes are mural cells of blood microvessels which play a crucial role at the neurovascular interface of the central nervous system. They are involved in the regulation of blood-brain barrier integrity, angiogenesis, clearance of toxic metabolites, capillary hemodynamic responses, and neuroinflammation, and they demonstrate stem cell activity. Morphological and molecular studies to characterize brain pericytes recently pointed out some heterogeneity in pericyte population. Nevertheless, a clear definition of pericyte subtypes is still lacking...
November 16, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/29141960/rapid-molecular-assays-to-study-human-centromere-genomics
#16
Rafael Contreras-Galindo, Sabrina Fischer, Anjan K Saha, John D Lundy, Patrick W Cervantes, Mohamad Mourad, Claire Wang, Brian Qian, Manhong Dai, Fan Meng, Arul Chinnaiyan, Gilbert S Omenn, Mark H Kaplan, David M Markovitz
The centromere is the structural unit responsible for the faithful segregation of chromosomes. Although regulation of centromeric function by epigenetic factors has been well-studied, the contributions of the underlying DNA sequences have been much less well defined, and existing methodologies for studying centromere genomics in biology are laborious. We have identified specific markers in the centromere of 23 of the 24 human chromosomes that allow for rapid PCR assays capable of capturing the genomic landscape of human centromeres at a given time...
November 15, 2017: Genome Research
https://www.readbyqxmd.com/read/29141767/acute-q-fever-case-detection-among-acute-febrile-illness-patients-thailand-2002-2005
#17
Ashley L Greiner, Saithip Bhengsri, Matthieu Million, Sophie Edouard, Somsak Thamthitiwat, Kevin Clarke, Gilbert J Kersh, Christopher J Gregory, Didier Raoult, Philippe Parola
Acute Q fever cases were identified from a hospital-based acute febrile illness study conducted in six community hospitals in rural north and northeast Thailand from 2002 to 2005. Of 1,784 participants that underwent Coxiella burnetii testing, nine (0.5%) participants were identified in this case-series as acute Q fever cases. Eight case-patients were located in one province. Four case-patients were hospitalized. Median age was 13 years (range: 7-69); five were male. The proportion of children with acute Q fever infection was similar to adults (P = 0...
November 6, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29141708/sensitive-detection-of-neonicotinoid-insecticides-and-other-selected-pesticides-in-pollen-and-nectar-using-nanoflow-liquid-chromatography-orbitrap-tandem-mass-spectrometry
#18
David Moreno-González, Jaime Alcántara-Durán, Bienvenida Gilbert-López, Miriam Beneito-Cambra, Víctor M Cutillas, Łukasz Rajski, Antonio Molina-Díaz, Juan F García-Reyes
In this work, a new method based on nanoflow LC with high-resolution MS was developed for the determination ofeight pesticides in pollen and nectar samples, including neonicotinoid insecticides and other selected pesticides commonly found in bees and beeswax. Detection was undertaken with a hybrid quadrupole-Orbitrap mass spectrometer (Q Exactive™) equipped with a commercial nanospray ion source. The extraction of pesticides from pollen samples was performed by a modified micro-QuEChERS method scaled down to Eppendorf tubes, whereas nectar samples were simply diluted with a water–methanol (95 + 5, v/v) solution...
November 15, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29138237/natural-variation-in-ser1-and-ena6-underlie-condition-specific-growth-defects-in-saccharomyces%C3%A2-cerevisiae
#19
Amy Sirr, Adrian C Scott, Gareth A Cromie, Catherine L Ludlow, Vida Ahyong, Trey S Morgan, Teresa Gilbert, Aimée M Dudley
Despite their ubiquitous use in laboratory strains, naturally occurring loss-of-function mutations in genes encoding core metabolic enzymes are relatively rare in wild isolates of Saccharomyces cerevisiae Here, we identify a naturally occurring serine auxotrophy in a sake brewing strain from Japan. Through a cross with a honey wine (white tecc) brewing strain from Ethiopia, we map the minimal medium growth defect to SER1, which encodes 3-phosphoserine aminotransferase and is orthologous to the human disease gene, PSAT1 To investigate the impact of this polymorphism under conditions of abundant external nutrients, we examine growth in rich medium alone or with additional stresses, including the drugs caffeine and rapamycin and relatively high concentrations of copper, salt, and ethanol...
November 14, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/29138112/dentists-decision-strategies-for-suspicious-occlusal-caries-lesions-in-a-national-dental-pbrn-study
#20
Sonia K Makhija, Michael E Robinson, James D Bader, Daniel A Shugars, Mark S Litaker, Hong R Im, D Brad Rindal, Daniel J Pihlstrom, Cyril Meyerowitz, Valeria V Gordan, Meredith K Buchberg, Gregg H Gilbert
OBJECTIVE: Case presentations (vignettes) were completed by dentists in the National Dental Practice-Based Research Network study "Decision Aids for the Management of Suspicious Occlusal Caries Lesions (SOCLs)". The objective was to determine dentists' decision strategies for SOCLs). METHODS: 107 dentists viewed a series of 16 vignettes that represented all combinations of 4 clinical cues: color, luster, lesion roughness, and patient-level caries risk. Each vignette included a patient description and a photograph of a tooth presenting the 4 cues...
November 11, 2017: Journal of Dentistry
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