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https://www.readbyqxmd.com/read/29151152/a-maize-inbred-exhibits-resistance-against-western-corn-rootwoorm-diabrotica-virgifera-virgifera
#1
Lina Castano-Duque, Kenneth W Loades, John F Tooker, Kathleen M Brown, W Paul Williams, Dawn S Luthe
Insect resistance against root herbivores like the western corn rootworm (WCR, Diabrotica virgifera virgifera) is not well understood in non-transgenic maize. We studied the responses of two American maize inbreds, Mp708 and Tx601, to WCR infestation using biomechanical, molecular, biochemical analyses, and laser ablation tomography. Previous studies performed on several inbreds indicated that these two maize genotypes differed in resistance to pests including fall armyworm (Spodoptera frugiperda) and WCR. Our data confirmed that Mp708 shows resistance against WCR, and demonstrates that the resistance mechanism is based in a multi-trait phenotype that includes increased resistance to cutting in nodal roots, stable root growth during insect infestation, constitutive and induced expression of known herbivore-defense genes, including ribosomal inhibitor protein 2 (rip2), terpene synthase 23 (tps23) and maize insect resistance cysteine protease-1 (mir1), as well high constitutive levels of jasmonic acid and production of (E)-β-caryophyllene...
November 18, 2017: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/29151146/mapping-and-confirmation-of-loci-for-salt-tolerance-in-a-novel-soybean-germplasm-fiskeby-iii
#2
Tuyen D Do, Tri D Vuong, David Dunn, Scotty Smothers, Gunvant Patil, Dennis C Yungbluth, Pengyin Chen, Andrew Scaboo, Dong Xu, Thomas E Carter, Henry T Nguyen, J Grover Shannon
The confirmation of a major locus associated with salt tolerance and mapping of a new locus, which could be beneficial for improving salt tolerance in soybean. Breeding soybean for tolerance to high salt conditions is important in some regions of the USA and world. Soybean cultivar Fiskeby III (PI 438471) in maturity group 000 has been reported to be highly tolerant to multiple abiotic stress conditions, including salinity. In this study, a mapping population of 132 F2 families derived from a cross of cultivar Williams 82 (PI 518671, moderately salt sensitive) and Fiskeby III (salt tolerant) was analyzed to map salt tolerance genes...
November 18, 2017: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/29151133/treatment-of-relapsed-aml-and-mds-after-allogeneic-stem-cell-transplantation-with-decitabine-and-dli-a-retrospective-multicenter-analysis-on-behalf-of-the-german-cooperative-transplant-study-group
#3
Thomas Schroeder, Christina Rautenberg, William Krüger, Uwe Platzbecker, Gesine Bug, Juliane Steinmann, Stefan Klein, Olaf Hopfer, Kathrin Nachtkamp, Mustafa Kondakci, Stefanie Geyh, Rainer Haas, Ulrich Germing, Martin Bornhäuser, Guido Kobbe
In contrast to the evidence regarding azacitidine (Aza), there is limited knowledge about the combination of decitabine (DAC) and donor lymphocyte infusions as salvage therapy for relapse after allogeneic stem cell transplantation (allo-SCT) so far. We retrospectively analyzed data of 36 patients with hematological (n = 35) or molecular relapse (n = 1) of acute myeloid leukemia (AML, n = 29) or myelodysplastic syndrome (MDS, n = 7) collected from 6 German transplant centers. Patients were treated with a median of 2 cycles DAC (range, 1 to 11)...
November 18, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/29151058/nudging-informed-consent-and-bullshit
#4
William Simkulet
Some philosophers have argued that during the process of obtaining informed consent, physicians should try to nudge their patients towards consenting to the option the physician believes best, where a nudge is any influence that is expected to predictably alter a person's behaviour without (substantively) restricting her options. Some proponents of nudging even argue that it is a necessary and unavoidable part of securing informed consent. Here I argue that nudging is incompatible with obtaining informed consent...
November 18, 2017: Journal of Medical Ethics
https://www.readbyqxmd.com/read/29151036/combination-therapy-is-superior-to-sequential-monotherapy-for-the-initial-treatment-of-hypertension-a-double-blind-randomized-controlled-trial
#5
Thomas M MacDonald, Bryan Williams, David J Webb, Steve Morant, Mark Caulfield, J Kennedy Cruickshank, Ian Ford, Peter Sever, Isla S Mackenzie, Sandosh Padmanabhan, Gerald P McCann, Jackie Salsbury, Gordon McInnes, Morris J Brown
BACKGROUND: Guidelines for hypertension vary in their preference for initial combination therapy or initial monotherapy, stratified by patient profile; therefore, we compared the efficacy and tolerability of these approaches. METHODS AND RESULTS: We performed a 1-year, double-blind, randomized controlled trial in 605 untreated patients aged 18 to 79 years with systolic blood pressure (BP) ≥150 mm Hg or diastolic BP ≥95 mm Hg. In phase 1 (weeks 0-16), patients were randomly assigned to initial monotherapy (losartan 50-100 mg or hydrochlorothiazide 12...
November 18, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29151013/decreasing-the-incidence-of-surgical-site-infections-following-joint-replacement-surgery
#6
Lorraine Hutzler, Jarrett Williams
OBJECTIVE: Despite the generalized use of prophylactic antibiotics in orthopaedic surgery, Surgical Site Infections (SSIs) are still a major source of morbidity, mortality, and hospital cost. This is due in part to the increasing prevalence of antibiotic resistant organisms. METHODS: A review of local epidemiology, the importance of an antibiotic stewardship program, patient optimization, and risk stratification options to reduce SSIs. RESULTS: The proportion of revisions due to infection is projected to rise rapidly over the next 25 years...
December 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29151009/risk-stratification-triage-and-implementation-of-an-expedited-hip-fracture-treatment-protocol-is-it-safe-and-effective
#7
William Zelenty, Richard Yoon, Lorraine Hutzler, Nirmal Tejwani, Joseph Bosco
INTRODUCTION: The population of patients in the USA over the age of 65 is expected to significantly increase over the next 40 years. These patients are at increased risk for hip fractures and will pose a burden to providers in the near future. In order to provide high value care, providers will need to maintain positive outcomes, mitigate complications, and reduce overall cost burdens. This study was designed to investigate the safety and efficacy of a patient transfer protocol between a large academic medical center and a single specialty orthopaedic institution...
December 2017: Bulletin of the Hospital for Joint Diseases
https://www.readbyqxmd.com/read/29150988/patterns-and-correlates-of-grip-strength-in-older-americans
#8
Kimberly Forrest, Adelle Williams, Marcy Leeds, Joseph Robare, Thomas Bechard
BACKGROUND: Muscle strength is a sensitive indicator of morbidity and mortality in older adults. Loss of muscle strength contributes to a decline in physical functioning. Hand grip strength is a simple measurement but correlated with total body muscle strength. This study evaluated the patterns and correlates of grip strength among older adults in the United States. METHODS: The grip strength data were analyzed from the National Health and Nutrition Examination Survey...
November 16, 2017: Current Aging Science
https://www.readbyqxmd.com/read/29150870/acute-and-recurrent-facial-pustulosis-a-unique-clinical-entity
#9
Anthony K Guzman, Lisa K Pappas-Taffer, Dirk M Elston, William D James
We report a series of three patients encountered in a tertiary referral center that share a rare constellation of clinical and histopathologic findings. In each case, a healthy female patient reported recurrent episodes of rapidly-appearing, tightly-clustered, fine pustules on a background of light erythema involving the chin, forehead, cheeks, and neck (Figure 1). These episodic eruptions, which occurred approximately 4-6 episodes per year, were associated with mild pruritus, and relapsed and remitted within 5 days without therapeutic intervention...
November 17, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29150558/branched-pectic-galactan-in-phloem-sieve-element-cell-walls-implications-for-cell-mechanics
#10
Thomas A Torode, Rachel E O'Neill, Susan E Marcus, Valerie Cornuault, Sara Pose-Albacete, Rebecca P Lauder, Stjepan Kresimir Kracun, Maja Gro Rydahl, Mathias C F Andersen, William George Tycho Willats, Siobhan Ariel Braybrook, Belinda J Townsend, Mads H Clausen, J Paul Knox
A major question in plant biology concerns the specification and functional differentiation of cell types. This is in the context of constraints imposed by networks of cell walls that both adhere cells and contribute to the form and function of developing organs. Here, we report the identification of a glycan epitope that is specific to phloem sieve element cell walls in several systems. A monoclonal antibody, designated LM26, binds to the cell wall of phloem sieve elements in stems of Arabidopsis thaliana, Miscanthus x giganteus and notably sugar beet (Beta vulgaris) roots where phloem identification is an important factor for the study of phloem unloading of sucrose...
November 17, 2017: Plant Physiology
https://www.readbyqxmd.com/read/29150555/reply-to-read-middle-stone-age-cultural-variability-and-the-risk-hypothesis
#11
Francesco d'Errico, William E Banks
No abstract text is available yet for this article.
November 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29150449/claudin-10-isoform-expression-and-cation-selectivity-change-with-salinity-in-salt-secreting-epithelia-of-f-heteroclitus
#12
William S Marshall, Jason P Breves, Ellen M Doohan, Christian K Tipsmark, Scott P Kelly, George N Robertson, Patricia M Schulte
To provide insight into claudin (Cldn) tight junction (TJ) protein contributions to branchial salt secretion in marine teleost fishes, this study examined cldn-10 TJ protein isoforms of a euryhaline teleost (mummichog; Fundulus heteroclitus) in association with salinity change and measurements of transepithelial cation selectivity. Mummichogs were transferred from fresh water (FW) to seawater (SW, 35 ‰) and from SW to hypersaline SW (2SW, 60 ‰) in a time course with transfer control groups (FW to FW and SW to SW)...
November 17, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29150443/kinetic-mechanism-of-controlled-fab-arm-exchange-for-the-formation-of-bispecific-immunoglobulin-g1-antibodies
#13
Dennis R Goulet, Steven J Orcutt, Adam Zwolak, Theo Rispens, Aran Labrijn, Rob N de Jong, William M Atkins, Mark L Chiu
Bispecific antibodies (bsAbs) combine the antigen specificities of two distinct Abs and demonstrate therapeutic promise based on novel mechanisms of action. Among the many platforms for creating bsAbs, controlled Fab-arm exchange (cFAE) has proven useful based on minimal changes to native Ab structure and the simplicity with which bsAbs can be formed from two parental Abs. Despite a published protocol for cFAE and its widespread use in the pharmaceutical industry, the reaction mechanism has not been determined...
November 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29150411/an-epithelial-biomarker-signature-for-idiopathic-pulmonary-fibrosis-an-analysis-from-the-multicentre-profile-cohort-study
#14
Toby M Maher, Eunice Oballa, Juliet K Simpson, Joanne Porte, Anthony Habgood, William A Fahy, Aiden Flynn, Philip L Molyneaux, Rebecca Braybrooke, Hrushikesh Divyateja, Helen Parfrey, Doris Rassl, Anne-Marie Russell, Gauri Saini, Elisabetta A Renzoni, Anne-Marie Duggan, Richard Hubbard, Athol U Wells, Pauline T Lukey, Richard P Marshall, R Gisli Jenkins
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive, fatal disorder with a variable disease trajectory. The aim of this study was to assess potential biomarkers to predict outcomes for people with IPF. METHOD: PROFILE is a large prospective longitudinal cohort of treatment-naive patients with IPF. We adopted a two-stage discovery and validation design using patients from the PROFILE cohort. For the discovery analysis, we examined 106 patients and 50 age and sex matched healthy controls from Nottingham University Hospitals NHS Trust and the Royal Brompton Hospital...
November 14, 2017: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29150398/glycyrrhiza-glabra-extract-and-quercetin-reverses-cisplatin-resistance-in-triple-negative-mda-mb-468-breast-cancer-cells-via-inhibition-of-cytochrome-p450-1b1-enzyme
#15
Rajni Sharma, Linda Gatchie, Ibidapo S Williams, Shreyans K Jain, Ram A Vishwakarma, Bhabatosh Chaudhuri, Sandip B Bharate
The development of multi-drug resistance to existing anticancer drugs is one of the major challenges in cancer treatment. The over-expression of cytochrome P450 1B1 enzyme has been reported to cause resistance to cisplatin. With an objective to discover cisplatin-resistance reversal agents, herein, we report the evaluation of Glycyrrhiza glabra (licorice) extracts and its twelve chemical constituents for inhibition of CYP1B1 (and CYP1A1) enzyme in Sacchrosomes and live human cells. The hydroalcoholic extract showed potent inhibition of CYP1B1 in both Sacchrosomes as well as in live cells with IC50 values of 21 and 16 µg/mL, respectively...
November 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29150383/the-diagnostic-clinical-value-of-thumb-metacarpal-grind-pressure-shear-flexion-and-extension-tests-for-carpometacarpal-osteoarthritis
#16
Yaron Sela, Jodi Seftchick, William L Wang, Mark E Baratz
STUDY DESIGN: Clinical measurement. INTRODUCTION: Common provocative maneuvers to differentiate thumb carpometacarpal (CMC) osteoarthritis from other sources of pain are the grind, metacarpal (MC) flexion, and MC extension tests. A maneuver known as the pressure-shear test is described here. PURPOSE OF THE STUDY: To compare the diagnostic value of the grind, metacarpal flexion, metacarpal extension, and pressure-shear tests for CMC osteoarthritis of the thumb...
November 14, 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/29150317/amp-activated-protein-kinase-regulation-of-the-nlrp3-inflammasome-during-aging
#17
REVIEW
Mario D Cordero, Matthew R Williams, Bernhard Ryffel
The NLRP3 inflammasome has recently emerged as an unexpected marker of stress and metabolic risk and has also been implicated in the development of major aging-related diseases such as gout, type 2 diabetes, obesity, cancer, and neurodegenerative and cardiovascular disorders. Several pathways regulating the NLRP3 inflammasome are currently being studied, but how the NLRP3 inflammasome is regulated remains unknown. AMP-activated protein kinase (AMPK), a central regulator of multiple metabolic pathways involved in the pathophysiology of aging and age-related diseases, has emerged as an important integrator of signals controlling inflammation including the inflammasome...
November 14, 2017: Trends in Endocrinology and Metabolism: TEM
https://www.readbyqxmd.com/read/29150292/neonatal-and-regressive-forms-of-autism-diseases-with-similar-symptoms-but-a-different-etiology
#18
William E Barbeau
Autistic Spectrum Disorder (ASD) can be a debilitating, life-long neurocognitive disease. ASD is caused by genetic and epigenetic factors and largely unknown and poorly understood environmental triggers. Signs and symptoms of ASD often appear in the first year of life while the disease strikes other infants who had previously been developing normally at around 2years of age. Ozonoff and her colleagues recently suggested that there are three different pathways or trajectories for the development of ASD in infants 6-24months of age...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150280/nk-cell-recruitment-and-exercise-potential-immunotherapeutic-role-of-shear-stress-and-endothelial-health
#19
William Evans
Positive cancer patient outcomes, including increased time to recurrent events, have been associated with increased counts and function of natural killer (NK) cells. NK cell counts and function are elevated following acute exercise, and the generally accepted mechanism of increased recruitment suggests that binding of epinephrine releases NK cells from endothelial tissue via decreases in adhesion molecules following. I propose that blood flow-induced shear stress may also play a role in NK cell recruitment from the endothelium...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150209/exploring-the-relationship-between-polio-type-2-serum-neutralizing-antibodies-and-intestinal-immunity-using-data-from-two-randomized-controlled-trials-of-new-bopv-ipv-immunization-schedules
#20
Ananda S Bandyopadhyay, Edwin J Asturias, Miguel O'Ryan, M Steven Oberste, William Weldon, Ralf Clemens, Ricardo Rüttimann, John F Modlin, Chris Gast
BACKGROUND: Inactivated polio vaccine (IPV) is now the only source of routine type 2 protection. The relationship, if any, between vaccine-induced type 2 humoral and intestinal immunity is poorly understood. METHODS: Two clinical trials in five Latin American countries of mixed or sequential bOPV-IPV schedules in 1640 infants provided data on serum neutralizing antibodies (NAb) and intestinal immunity, assessed as viral shedding following oral mOPV2 challenge. Analyses with generalized additive and quantile regression models examined the relationships between prechallenge NAb titers and proportion, duration and titers (magnitude) of viral shedding...
November 14, 2017: Vaccine
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