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https://www.readbyqxmd.com/read/27913436/erk-and-p38-mapk-activities-determine-sensitivity-to-pi3k-mtor-inhibition-via-regulation-of-myc-and-yap
#1
Taru Muranen, Laura M Selfors, Julie Hwang, Lisa L Gallegos, Jonathan L Coloff, Carson C Thoreen, Seong A Kang, David M Sabatini, Gordon B Mills, Joan S Brugge
Aberrant activation of the PI3K/mTOR pathway is a common feature of many cancers and an attractive target for therapy, but resistance inevitably evolves as is the case for any cancer cell-targeted therapy. In animal tumor models, chronic inhibition of PI3K/mTOR initially inhibits tumor growth, but over time, tumor cells escape inhibition. In this study, we identified a context-dependent mechanism of escape whereby tumor cells upregulated the proto-oncogene transcriptional regulators c-MYC and YAP1. This mechanism was dependent on both constitutive ERK activity as well as inhibition of the stress kinase p38...
October 20, 2016: Cancer Research
https://www.readbyqxmd.com/read/27913314/audiologic-characteristics-in-a-sample-of-recently-separated-military-veterans-the-noise-outcomes-in-servicemembers-epidemiology-study-noise-study
#2
J S Gordon, S E Griest, E J Thielman, K C Carlson, W J Helt, M S Lewis, C Blankenship, D Austin, S M Theodoroff, J A Henry
Military Service Members are often exposed to high levels of occupational noise, solvents, and other exposures that can be damaging to the auditory system. Little is known about hearing loss and how it progresses in Veterans following military service. This epidemiology study is designed to evaluate and monitor a cohort of Veterans for 20 years or more to determine how hearing loss changes over time and how those changes are related to noise exposure and other ototoxic exposures encountered during military service...
November 29, 2016: Hearing Research
https://www.readbyqxmd.com/read/27912146/inosine-acedoben-dimepranol-promotes-an-early-and-sustained-increase-in-the-natural-killer-cell-component-of-circulating-lymphocytes-a-clinical-trial-supporting-anti-viral-indications
#3
S Rumel Ahmed, Amy S Newman, James O'Daly, Sean Duffy, Gillian Grafton, Catherine A Brady, S John Curnow, Nicholas M Barnes, John Gordon
Inosine Acedoben Dimepranol (IAD), licensed for the treatment of cell-mediated immune deficiencies associated with viral infections, has been reported to impact a variety of immune parameters both in vitro and in vivo. Here we report the results from a clinical trial where multiple lymphocyte subsets - CD19+ B cells, CD3+ T cells, CD4+ T-helper cells, FoxP3(hi)/CD25(hi)/CD127(lo) regulatory T cells (Tregs), CD3-/CD56+ NK cells, and CD3+/CD56+ NKT cells - were, together with serum immunoglobulins and IgG subclasses, followed during 14days of IAD administration to ten healthy volunteers; these selected from 27 individuals pre-screened in vitro for their capacity to respond to IAD as gauged by increases in the percentage of Treg and/or NKT cells arising in PHA-stimulated cultures...
November 29, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27910703/co-calibration-of-two-self-reported-measures-of-adherence-to-antiretroviral-therapy
#4
Robin M Nance, J A Chris Delaney, Carol E Golin, Wendee M Wechsberg, Chinazo Cunningham, Frederick Altice, Katerina Christopoulos, Kevin Knight, Vu Quan, Michael S Gordon, Sandra Springer, Jeremy Young, Paul K Crane, Kenneth H Mayer, Michael J Mugavero, Carlos Del Rio, Richard A Kronmal, Heidi M Crane
Adherence to antiretroviral therapy (ART) is an important determinant of clinical success assessed in many HIV studies. Harmonizing adherence data from studies that use different measures is difficult without a co-calibration equation to convert between validated instruments. Our purpose was to co-calibrate two commonly used adherence measures: the AIDS Clinical Trials Group (ACTG) questionnaire and the Visual Analog Scale (VAS). We used robust linear regression to develop a co-calibration equation in a clinical care cohort...
December 2, 2016: AIDS Care
https://www.readbyqxmd.com/read/27909781/the-ability-of-low-magnitude-mechanical-signals-to-normalize-bone-turnover-in-adolescents-hospitalized-for-anorexia-nervosa
#5
A D DiVasta, H A Feldman, C T Rubin, J S Gallagher, N Stokes, D P Kiel, B D Snyder, C M Gordon
: We sought to determine whether low-magnitude mechanical stimulation (LMMS) normalizes bone turnover among adolescents hospitalized for anorexia nervosa (AN). Brief, daily LMMS prevents the decline in bone turnover typically seen during bed rest in AN. LMMS may have application for patients with AN in the inpatient setting to protect bone health. INTRODUCTION: Malnourished adolescents with AN requiring medical hospitalization are at high risk for rapid reduction in skeletal quality...
December 1, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27909227/castration-alters-protein-balance-following-high-frequency-muscle-contraction
#6
Jennifer L Steiner, David H Fukuda, Michael L Rossetti, Jay R Hoffman, Bradley S Gordon
Resistance exercise increases muscle mass by shifting protein balance in favor of protein accretion. Androgens independently alter protein balance, but it is unknown whether androgens alter this measure following resistance exercise. To answer this, male mice were subjected to sham or castration surgery 7-8 weeks prior to undergoing a bout of unilateral, high frequency, electrically induced muscle contractions in the fasted or refed state. Puromycin was injected 30 min prior to sacrifice to measure protein synthesis...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27908085/age-effects-in-discrimination-of-intervals-within-accented-tone-sequences-differing-in-accent-type-and-sequence-presentation-rate
#7
Peter J Fitzgibbons, Sandra Gordon-Salant
The study measured listener sensitivity to increments in the duration of one or two target silent intervals embedded within unaccented tone sequences and sequences that featured a single accented component. The baseline unaccented sequences consisted of six 1000-Hz 40-ms tone bursts that were separated equally by silent intervals to establish a slower tone sequence rate, with tonal inter-onset intervals (IOIs) set to 200 ms, or a faster rate with tonal IOIs set to 100 ms. Stimulus accent was created by doubling the baseline duration of a single sequence component, either the second tone burst (tonal accent), or the second tonal IOI (interval accent)...
November 2016: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/27906090/muscle-specific-deletion-of-socs3-increases-the-early-inflammatory-response-but-does-not-affect-regeneration-after-myotoxic-injury
#8
Kristy Swiderski, Savant S Thakur, Timur Naim, Jennifer Trieu, Annabel Chee, David I Stapleton, René Koopman, Gordon S Lynch
BACKGROUND: Muscles of old animals are injured more easily and regenerate poorly, attributed in part to increased levels of circulating pro-inflammatory cytokines. The Janus kinase/signal transducers and activators of transcription (JAK/STAT) signaling cascade is a key mediator of inflammatory cytokine action, and signaling via this pathway is increased in muscles with aging. As a negative regulator of JAK/STAT signaling, a key mediator of myogenic proliferation and differentiation, altered expression of suppressor of cytokine signaling (SOCS3) is likely to have important consequences for muscle regeneration...
October 24, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27903966/pde5-inhibitors-enhance-the-lethality-of-pemetrexed-through-inhibition-of-multiple-chaperone-proteins-and-via-the-actions-of-cyclic-gmp-and-nitric-oxide
#9
Laurence Booth, Jane L Roberts, Andrew Poklepovic, Sarah Gordon, Paul Dent
Phosphodiesterase 5 (PDE5) inhibitors prevent the breakdown of cGMP that results in prolonged protein kinase G activation and the generation of nitric oxide. PDE5 inhibitors enhanced the anti-NSCLC cell effects of the NSCLC therapeutic pemetrexed. [Pemetrexed + sildenafil] activated an eIF2α - ATF4 - CHOP - Beclin1 pathway causing formation of toxic autophagosomes; activated a protective IRE1 - XBP-1 - chaperone induction pathway; and activated a toxic eIF2α - CHOP - DR4 / DR5 / CD95 induction pathway. [Pemetrexed + sildenafil] reduced the expression of c-FLIP-s, MCL-1 and BCL-XL that was blocked in a cell-type -dependent fashion by either over-expression of HSP90 / GRP78 / HSP70 / HSP27 or by blockade of eIF2α-CHOP signaling...
November 26, 2016: Oncotarget
https://www.readbyqxmd.com/read/27899627/improvements-to-patric-the-all-bacterial-bioinformatics-database-and-analysis-resource-center
#10
Alice R Wattam, James J Davis, Rida Assaf, Sébastien Boisvert, Thomas Brettin, Christopher Bun, Neal Conrad, Emily M Dietrich, Terry Disz, Joseph L Gabbard, Svetlana Gerdes, Christopher S Henry, Ronald W Kenyon, Dustin Machi, Chunhong Mao, Eric K Nordberg, Gary J Olsen, Daniel E Murphy-Olson, Robert Olson, Ross Overbeek, Bruce Parrello, Gordon D Pusch, Maulik Shukla, Veronika Vonstein, Andrew Warren, Fangfang Xia, Hyunseung Yoo, Rick L Stevens
The Pathosystems Resource Integration Center (PATRIC) is the bacterial Bioinformatics Resource Center (https://www.patricbrc.org). Recent changes to PATRIC include a redesign of the web interface and some new services that provide users with a platform that takes them from raw reads to an integrated analysis experience. The redesigned interface allows researchers direct access to tools and data, and the emphasis has changed to user-created genome-groups, with detailed summaries and views of the data that researchers have selected...
November 29, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27899528/relationship-between-outdoor-temperature-and-cardiovascular-disease-risk-factors-in-older-people
#11
Claudio Sartini, Sarah Je Barry, Peter H Whincup, S Goya Wannamethee, Gordon DO Lowe, Barbara J Jefferis, Lucy Lennon, Paul Welsh, Ian Ford, Naveed Sattar, Richard W Morris
BACKGROUND: Previous studies demonstrated that lower outdoor temperatures increase the levels of established cardiovascular disease risk factors, such as blood pressure and lipids. Whether or not low temperatures increase novel cardiovascular disease risk factors levels is not well studied. The aim was to investigate associations of outdoor temperature with a comprehensive range of established and novel cardiovascular disease risk factors in two large Northern European studies of older adults, in whom cardiovascular disease risk is increased...
November 29, 2016: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/27896344/thermodynamics-and-kinetics-of-graphene-chemistry-a-graphene-hydrogenation-prototype-study
#12
Buu Q Pham, Mark S Gordon
The thermodynamic and kinetic controls of graphene chemistry are studied computationally using a graphene hydrogenation reaction and polyaromatic hydrocarbons to represent the graphene surface. Hydrogen atoms are concertedly chemisorped onto the surface of graphene models of different shapes (i.e., all-zigzag, all-armchair, zigzag-armchair mixed edges) and sizes (i.e., from 16-42 carbon atoms). The second-order Z-averaged perturbation theory (ZAPT2) method combined with Pople double and triple zeta basis sets are used for all calculations...
November 29, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27895111/discovery-and-genotyping-of-structural-variation-from-long-read-haploid-genome-sequence-data
#13
John Huddleston, Mark Jp Chaisson, Karyn Meltz Steinberg, Wes Warren, Kendra Hoekzema, David S Gordon, Tina A Graves-Lindsay, Katherine M Munson, Zev N Kronenberg, Laura Vives, Paul Peluso, Matthew Boitano, Chen-Shin Chin, Jonas Korlach, Richard K Wilson, Evan E Eichler
In an effort to more fully understand the full spectrum of human genetic variation, we generated deep single-molecule, real-time (SMRT) sequencing data from two haploid human genomes. Using an assembly-based approach (SMRT-SV), we systematically assessed each genome independently for structural variants (SVs) and indels resolving the sequence structure of 461,553 genetic variants from 2 bp to 28 kbp in length. We find that >89% of these variants have been missed as part of analysis of the 1000 Genomes Project even after adjusting for more common variants (MAF >1%)...
November 28, 2016: Genome Research
https://www.readbyqxmd.com/read/27891830/a-randomized-trial-examining-the-impact-of-communicating-genetic-and-lifestyle-risks-for-obesity
#14
Catharine Wang, Erynn S Gordon, Tricia Norkunas, Lisa Wawak, Ching-Ti Liu, Michael Winter, Rachel S Kasper, Michael F Christman, Robert C Green, Deborah J Bowen
OBJECTIVE: Genetic testing for obesity is available directly to consumers, yet little is understood about its behavioral impact and its added value to nongenetic risk communication efforts based on lifestyle factors. METHODS: A randomized trial examined the short-term impact of providing personalized obesity risk information, using a 2 × 2 factorial design. Participants were recruited from the Coriell Personalized Medicine Collaborative (CPMC) and randomized to receive (1) no risk information (control), (2) genetic risk, (3) lifestyle risk, or (4) combined genetic/lifestyle risks...
December 2016: Obesity
https://www.readbyqxmd.com/read/27891647/a-roadmap-for-improving-the-representation-of-photosynthesis-in-earth-system-models
#15
Alistair Rogers, Belinda E Medlyn, Jeffrey S Dukes, Gordon Bonan, Susanne von Caemmerer, Michael C Dietze, Jens Kattge, Andrew D B Leakey, Lina M Mercado, Ülo Niinemets, I Colin Prentice, Shawn P Serbin, Stephen Sitch, Danielle A Way, Sönke Zaehle
Accurate representation of photosynthesis in terrestrial biosphere models (TBMs) is essential for robust projections of global change. However, current representations vary markedly between TBMs, contributing uncertainty to projections of global carbon fluxes. Here we compared the representation of photosynthesis in seven TBMs by examining leaf and canopy level responses of photosynthetic CO2 assimilation (A) to key environmental variables: light, temperature, CO2 concentration, vapor pressure deficit and soil water content...
January 2017: New Phytologist
https://www.readbyqxmd.com/read/27888587/tuberculosis-caused-by-mycobacterium-orygis-in-dairy-cattle-and-captured-monkeys-in-bangladesh-a-new-scenario-of-tuberculosis-in-south-asia
#16
Z Rahim, J Thapa, Y Fukushima, A G M van der Zanden, S V Gordon, Y Suzuki, C Nakajima
Mycobacterium orygis, commonly known as the oryx bacillus and a newly proposed Mycobacterium tuberculosis complex subspecies, was isolated from 18 cattle in a dairy farm and two captured rhesus monkeys in a zoo in Bangladesh. All the infected animals had tuberculosis lesions in their lungs, suggesting transmission and infection with M. orygis by an airborne route. The 20 isolates were analysed using a range of conventional and molecular typing methods, and RD-deletion typing and sequencing of selected genes confirmed the isolates as M...
November 25, 2016: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/27887578/evaluation-of-an-international-educational-programme-for-health-care-professionals-on-best-practice-in-the-management-of-a-perinatal-death-improving-perinatal-mortality-review-and-outcomes-via-education-improve
#17
Paul A Gardiner, Alison L Kent, Viviana Rodriguez, Aleena M Wojcieszek, David Ellwood, Adrienne Gordon, Patricia A Wilson, Diana M Bond, Adrian Charles, Susan Arbuckle, Glenn J Gardener, Jeremy J Oats, Jan Jaap Erwich, Fleurisca J Korteweg, T H Nguyen Duc, Susannah Hopkins Leisher, Kamal Kishore, Robert M Silver, Alexander E Heazell, Claire Storey, Vicki Flenady
BACKGROUND: Stillbirths and neonatal deaths are devastating events for both parents and clinicians and are global public health concerns. Careful clinical management after these deaths is required, including appropriate investigation and assessment to determine cause (s) to prevent future losses, and to improve bereavement care for families. An educational programme for health care professionals working in maternal and child health has been designed to address these needs according to the Perinatal Society of Australia and New Zealand Guideline for Perinatal Mortality: IMproving Perinatal mortality Review and Outcomes Via Education (IMPROVE)...
November 25, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27883198/reflections-on-a-community-psychology-setting-and-the-future-of-the-field
#18
Joy S Kaufman, Christian M Connell, Cindy A Crusto, Derrick M Gordon, Carolyn E Sartor, Patricia Simon, Michael J Strambler, Tami P Sullivan, Nadia L Ward, Nicole Holland Weiss, Jacob Kraemer Tebes
The 50th anniversary of the Swampscott Conference offers an opportunity to reflect on a community psychology setting, The Consultation Center at Yale, that was formed in response to the 1963 Community Mental Health Act and the 1965 Swampscott Conference. The Center has flourished as a community psychology setting for practice, research, and training for 39 of the 50 years since Swampscott. Its creation and existence over this period offers an opportunity for reflection on the types of settings needed to sustain the field into the future...
November 24, 2016: American Journal of Community Psychology
https://www.readbyqxmd.com/read/27881825/effects-of-a-gut-pathobiont-in-a-gnotobiotic-mouse-model-of-childhood-undernutrition
#19
Vitas E Wagner, Neelendu Dey, Janaki Guruge, Ansel Hsiao, Philip P Ahern, Nicholas P Semenkovich, Laura V Blanton, Jiye Cheng, Nicholas Griffin, Thaddeus S Stappenbeck, Olga Ilkayeva, Christopher B Newgard, William Petri, Rashidul Haque, Tahmeed Ahmed, Jeffrey I Gordon
To model how interactions among enteropathogens and gut microbial community members contribute to undernutrition, we colonized gnotobiotic mice fed representative Bangladeshi diets with sequenced bacterial strains cultured from the fecal microbiota of two 24-month-old Bangladeshi children: one healthy and the other underweight. The undernourished donor's bacterial collection contained an enterotoxigenic Bacteroides fragilis strain (ETBF), whereas the healthy donor's bacterial collection contained two nontoxigenic strains of B...
November 23, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27879618/the-value-of-detecting-asymptomatic-signs-of-myocardial-ischemia-in-patients-with-coronary-artery-disease-in-outpatient-cardiac-rehabilitation
#20
Patricia Lounsbury, Ahmed S Elokda, Jennifer M Bunning, Ross Arena, Ellen E I Gordon
BACKGROUND: Electrocardiographic (ECG) monitored outpatient cardiac rehabilitation (OP-CR) is routinely performed following a variety of cardiovascular procedures and conditions. OBJECTIVE: The aim of this study is to determine if diagnostic-quality ECG monitoring in patients with coronary artery disease (CAD) during OP-CR is useful in identifying asymptomatic myocardial ischemia, resulting in change(s) in care or medical management. METHODS: A retrospective analysis of ECG monitoring was done on all OP-CR patients diagnosed with CAD (n = 1213) from January 2000 through June 2013...
November 22, 2016: Journal of Cardiovascular Nursing
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