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https://www.readbyqxmd.com/read/28822213/liberia-national-disaster-preparedness-coordination-exercise-implementing-lessons-learned-from-the-west-african-disaster-preparedness-initiative
#1
Melinda J Morton Hamer, Paul L Reed, Jane D Greulich, Charles W Beadling
OBJECTIVE: In light of the recent Ebola outbreak, there is a critical need for effective disaster management systems in Liberia and other West African nations. To this end, the West Africa Disaster Preparedness Initiative held a disaster management exercise in conjunction with the Liberian national government on November 24-25, 2015. DESIGN: During this tabletop exercise (TTX), interactions within and between the 15 counties and the Liberian national government were conducted and observed to refine and validate the county and national standard operating procedures (SOPs)...
January 2017: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28822012/mtor-co-targeting-strategies-for-head-and-neck-cancer-therapy
#2
Zhiyong Wang, Juan Callejas Valera, Xuefeng Zhao, Qianming Chen, J Silvio Gutkind
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common malignancy worldwide. There is an urgent need to develop effective therapeutic approaches to prevent and treat HNSCC. Recent deep sequencing of the HNSCC genomic landscape revealed a multiplicity and diversity of genetic alterations in this malignancy. Although a large variety of specific molecules were found altered in each individual tumor, they all participate in only a handful of driver signaling pathways. Among them, the PI3K/mTOR pathway is the most frequently activated, which plays a central role in cancer initiation and progression...
August 18, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28821884/the-atopic-dermatitis-blood-signature-is-characterized-by-increases-in-inflammatory-and-cardiovascular-risk-proteins
#3
Patrick M Brunner, Mayte Suárez-Fariñas, Helen He, Kunal Malik, Huei-Chi Wen, Juana Gonzalez, Tom Chih-Chieh Chan, Yeriel Estrada, Xiuzhong Zheng, Saakshi Khattri, Nancy Dattola, James G Krueger, Emma Guttman-Yassky
Beyond classic "allergic"/atopic comorbidities, atopic dermatitis (AD) emerges as systemic disease with increased cardiovascular risk. To better define serum inflammatory and cardiovascular risk proteins, we used an OLINK high-throughput proteomic assay to analyze moderate-to-severe AD (n = 59) compared to psoriasis (n = 22) and healthy controls (n = 18). Compared to controls, 10 proteins were increased in serum of both diseases, including Th1 (IFN-γ, CXCL9, TNF-β) and Th17 (CCL20) markers. 48 proteins each were uniquely upregulated in AD and psoriasis...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28820673/asymmetric-compression-of-representational-space-for-object-animacy-categorization-under-degraded-viewing-conditions
#4
Tijl Grootswagers, J Brendan Ritchie, Susan G Wardle, Andrew Heathcote, Thomas A Carlson
Animacy is a robust organizing principle among object category representations in the human brain. Using multivariate pattern analysis methods, it has been shown that distance to the decision boundary of a classifier trained to discriminate neural activation patterns for animate and inanimate objects correlates with observer RTs for the same animacy categorization task [Ritchie, J. B., Tovar, D. A., & Carlson, T. A. Emerging object representations in the visual system predict reaction times for categorization...
August 18, 2017: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/28819232/ensemble-of-thermostatically-controlled-loads-statistical-physics-approach
#5
Michael Chertkov, Vladimir Chernyak
Thermostatically controlled loads, e.g., air conditioners and heaters, are by far the most widespread consumers of electricity. Normally the devices are calibrated to provide the so-called bang-bang control - changing from on to off, and vice versa, depending on temperature. We considered aggregation of a large group of similar devices into a statistical ensemble, where the devices operate following the same dynamics, subject to stochastic perturbations and randomized, Poisson on/off switching policy. Using theoretical and computational tools of statistical physics, we analyzed how the ensemble relaxes to a stationary distribution and established a relationship between the relaxation and the statistics of the probability flux associated with devices' cycling in the mixed (discrete, switch on/off, and continuous temperature) phase space...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818861/auxin-signaling
#6
Ottoline Leyser
Auxin acts as a general co-ordinator of plant growth and development, transferring information over both long and short ranges. Auxin famously appears to be extraordinarily multi-functional, with different cells responding very differently to changes in auxin levels. There has been considerable progress over recent years in understanding how this complexity is encoded in the cellular auxin response machinery. Of central importance is an elegantly short but versatile signaling pathway through which auxin triggers changes in gene expression...
August 17, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28818509/the-use-of-high-flow-nasal-cannula-in-the-pediatric-emergency-department
#7
REVIEW
Katherine N Slain, Steven L Shein, Alexandre T Rotta
OBJECTIVES: To summarize the current literature describing high-flow nasal cannula (HFNC) use in children, the components and mechanisms of action of a HFNC system, the appropriate clinical applications, and its role in the pediatric emergency department (ED). SOURCES: A computer-based search of PubMed/MEDLINE and Google Scholar for literature on HFNC use in children was performed. DATA SUMMARY: HFNC, a non-invasive respiratory support modality, provides heated and fully humidified gas mixtures to patients via a nasal cannula interface...
August 14, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28817755/measuring-toxic-effects-and-time-to-treatment-failure-for-nivolumab-plus-ipilimumab-in-melanoma
#8
Alexander N Shoushtari, Claire F Friedman, Pedram Navid-Azarbaijani, Michael A Postow, Margaret K Callahan, Parisa Momtaz, Katherine S Panageas, Jedd D Wolchok, Paul B Chapman
Importance: Nivolumab plus ipilimumab (nivo + ipi) is a standard treatment of advanced melanoma. Two randomized trials describe high objective response rates by Response Evaluation Criteria in Solid Tumors. The trials assessed toxic effects using the Common Terminology Criteria for Adverse Events (CTCAE), which may underestimate incidence of clinically significant immune-related adverse events (AEs). Objective: To describe detailed toxic effects and time to treatment failure of patients with melanoma treated with nivo + ipi in a prospective cohort...
August 17, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28816716/novel-androgen-axis-systemic-therapies-for-metastatic-hormone-sensitive-prostate-cancer
#9
Andrew W Hahn, Peter Hale, Nityam Rathi, Neeraj Agarwal
PURPOSE OF REVIEW: Upfront docetaxel and androgen deprivation therapy (ADT) has improved outcomes over ADT alone in men with metastatic hormone-sensitive prostate cancer (mHSPC). Here in, we review the emerging role of novel androgen axis inhibitors in the treatment of men with mHSPC. RECENT FINDINGS: Recently two studies, LATITUDE and STAMPEDE arm G, showed improved survival with addition of abiraterone acetate with prednisone or prednisolone to ADT in men with hormone-naïve advanced prostate cancer...
August 14, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28815913/metastatic-triple-negative-breast-cancer-optimizing-treatment-options-new-and-emerging-targeted-therapies
#10
REVIEW
Parham Khosravi-Shahi, Luis Cabezón-Gutiérrez, Sara Custodio-Cabello
Triple negative breast cancer (TNBC) is a heterogeneous disease, not only on the molecular level, but also on the pathologic and clinical levels. It also has a distinct epidemiology. TNBCs are frequently of high histologic grade, typically more aggressive and difficult to treat than hormone receptor-positive tumors, and they are associated with a higher risk of early relapse with visceral metastasis after surgery, chemotherapy and/or radiotherapy. The lack of estrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 expression precludes the use of targeted therapies in advanced stages, and the only approved systemic treatment option is chemotherapy with or without bevacizumab...
August 16, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28815589/tight-temporal-coupling-between-synaptic-rewiring-of-olfactory-glomeruli-and-the-emergence-of-odor-guided-behavior-in-xenopus-tadpoles
#11
Beatrice Terni, Paolo Pacciolla, Helena Masanas, Pau Gorostiza, Artur Llobet
Olfactory sensory neurons (OSNs) are chemoreceptors that establish excitatory synapses within glomeruli of the olfactory bulb. OSNs undergo continuous turnover throughout life, causing the constant replacement of their synaptic contacts. Using Xenopus tadpoles as an experimental system to investigate rewiring of glomerular connectivity, we show that novel OSN synapses can transfer information immediately after formation, mediating an olfactory-guided behavior. Tadpoles recover the ability to detect amino acids four days after bilateral olfactory nerve transection...
August 17, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28815218/capturing-the-systemic-immune-signature-of-a-norovirus-infection-an-n-of-1-case-study-within-a-clinical-trial
#12
Antony J Cutler, Joao Oliveira, Ricardo C Ferreira, Ben Challis, Neil M Walker, Sarah Caddy, Jia Lu, Helen E Stevens, Deborah J Smyth, Marcin L Pekalski, Jane Kennet, Kara M D Hunter, Ian Goodfellow, Linda S Wicker, John A Todd, Frank Waldron-Lynch
BACKGROUND:  The infection of a participant with norovirus during the adaptive study of interleukin-2 dose on regulatory T cells in type 1 diabetes (DILT1D) allowed a detailed insight into the cellular and cytokine immune responses to this prevalent gastrointestinal pathogen. METHODS:  Serial blood, serum and peripheral blood mononuclear cell (PBMC) samples were collected pre-, and post-development of the infection. To differentiate between the immune response to norovirus and to control for the administration of a single dose of aldesleukin (recombinant interleukin-2, rIL-2) alone, samples from five non-infected participants administered similar doses were analysed in parallel...
2017: Wellcome Open Research
https://www.readbyqxmd.com/read/28814608/parasite-altered-feeding-behavior-in-insects-integrating-functional-and-mechanistic-research-frontiers
#13
REVIEW
Melissa A Bernardo, Michael S Singer
Research on parasite-altered feeding behavior in insects is contributing to an emerging literature that considers possible adaptive consequences of altered feeding behavior for the host or the parasite. Several recent ecoimmunological studies show that insects can adaptively alter their foraging behavior in response to parasitism. Another body of recent work shows that infection by parasites can change the behavior of insect hosts to benefit the parasite; manipulations of host feeding behavior may be part of this phenomenon...
August 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28814408/intrinsic-maturational-neonatal-immune-deficiencies-and-susceptibility-to-group-b-streptococcus-infection
#14
REVIEW
Michelle L Korir, Shannon D Manning, H Dele Davies
Although a normal member of the gastrointestinal and vaginal microbiota, group B Streptococcus (GBS) can also occasionally be the cause of highly invasive neonatal disease and is an emerging pathogen in both elderly and immunocompromised adults. Neonatal GBS infections are typically transmitted from mother to baby either in utero or during passage through the birth canal and can lead to pneumonia, sepsis, and meningitis within the first few months of life. Compared to the adult immune system, the neonatal immune system has a number of deficiencies, making neonates more susceptible to infection...
October 2017: Clinical Microbiology Reviews
https://www.readbyqxmd.com/read/28814080/drug-delivery-from-a-multi-faceted-ultrasound-contrast-agent-influence-of-shell-composition
#15
Lauren J Jablonowski, Nutte T Teraphongphom, Margaret A Wheatley
Many cancer therapy regimes still rely heavily on the systemic administration of toxic chemotherapeutic agents. Ultrasound contrast agents consisting of microbubbles (MB) have emerged as a drug delivery vehicle to overcome the challenges associated with systemic chemotherapy. Here we describe the development of non-immunogenic, functionalized polylactic acid (PLA) MB for use in targeted cancer therapy. Our previous studies have shown that the balance between acoustic behavior and improved immune avoidance was scalable and successful to different degrees with two different PEGylation methods, and was best achieved using incorporation of PEG-PLA at 5 wt% and for a LipidPEG at 1 wt%...
August 16, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28814067/neuro-immune-interactions-in-allergic-diseases-novel-targets-for-therapeutics
#16
Tiphaine Voisin, Amélie Bouvier, Isaac M Chiu
Recent studies have highlighted an emerging role for neuro-immune interactions in mediating allergic diseases. Allergies are caused by an overactive immune response to a foreign antigen. The peripheral sensory and autonomic nervous system densely innervates mucosal barrier tissues including the skin, respiratory tract and gastrointestinal (GI) tract that are exposed to allergens. It is increasingly clear that neurons actively communicate with and regulate the function of mast cells, dendritic cells, eosinophils, Th2 cells and type 2 innate lymphoid cells in allergic inflammation...
June 1, 2017: International Immunology
https://www.readbyqxmd.com/read/28813419/vaccine-driven-pharmacodynamic-dissection-and-mitigation-of-fenethylline-psychoactivity
#17
Cody J Wenthur, Bin Zhou, Kim D Janda
Fenethylline, also known by the trade name Captagon, is a synthetic psychoactive stimulant that has recently been linked to a substance-use disorder and 'pharmacoterrorism' in the Middle East. Although fenethylline shares a common phenethylamine core with other amphetamine-type stimulants, it also incorporates a covalently linked xanthine moiety into its parent structure. These independently active pharmacophores are liberated during metabolism, resulting in the release of a structurally diverse chemical mixture into the central nervous system...
August 16, 2017: Nature
https://www.readbyqxmd.com/read/28813307/the-innate-alarm-system-in-ptsd-conscious-and-subconscious-processing-of-threat
#18
REVIEW
Ruth A Lanius, Daniela Rabellino, Jenna E Boyd, Sherain Harricharan, Paul A Frewen, Margaret C McKinnon
The innate alarm system (IAS), comprised of functionally connected brain regions including the brainstem, amygdala, pulvinar, and frontotemporal cortex, is a fast subcortical brain network facilitating rapid responses to threat. Post-traumatic stress disorder (PTSD) features subconscious and conscious threat detection, together contributing to hyperarousal symptoms. Emerging literature identifies aberrant threat-related neurocircuitry involved in subconscious and conscious threat processing in PTSD. We review this literature, focusing on subconscious threat processing and its relation to the IAS...
April 2017: Current Opinion in Psychology
https://www.readbyqxmd.com/read/28812836/understanding-internal-accountability-in-nigeria-s-routine-immunization-system-perspectives-from-government-officials-at-the-national-state-and-local-levels
#19
Daniel J Erchick, Asha S George, Chukwunonso Umeh, Chizoba Wonodi
BACKGROUND: Routine immunization coverage in Nigeria has remained low, and studies have identified a lack of accountability as a barrier to high performance in the immunization system. Accountability lies at the heart of various health systems strengthening efforts recently launched in Nigeria, including those related to immunization. Our aim was to understand the views of health officials on the accountability challenges hindering immunization service delivery at various levels of government...
December 10, 2016: International Journal of Health Policy and Management
https://www.readbyqxmd.com/read/28812677/species-specific-responses-to-ocean-acidification-should-account-for-local-adaptation-and-adaptive-plasticity
#20
Cristian A Vargas, Nelson A Lagos, Marco A Lardies, Cristian Duarte, Patricio H Manríquez, Victor M Aguilera, Bernardo Broitman, Steve Widdicombe, Sam Dupont
Global stressors, such as ocean acidification, constitute a rapidly emerging and significant problem for marine organisms, ecosystem functioning and services. The coastal ecosystems of the Humboldt Current System (HCS) off Chile harbour a broad physical-chemical latitudinal and temporal gradient with considerable patchiness in local oceanographic conditions. This heterogeneity may, in turn, modulate the specific tolerances of organisms to climate stress in species with populations distributed along this environmental gradient...
March 13, 2017: Nature ecology & evolution
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