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https://www.readbyqxmd.com/read/29158790/synergy-of-purine-scaffold-tlr7-agonist-with-doxorubicin-on-systemic-inhibition-of-lymphoma-in-mouse-model
#1
Dong Gao, Wang Li, Wanmin Wang, Yongguang Cai, Yuhuan Wang, Xiaoling Luo, Chih-Chang Wei
Chemo- and radio-therapy suffer from certain well-recognized drawbacks for lymphoma therapy. Passive immunotherapy with monoclonal antibody has improved outcome for patients with CD20(+) B cell lymphoma, but not for T cell lymphoma. Therefore, novel treatment approaches are clearly required for T cell lymphoma. To date, the combined application targeting TLR7, 8 and 9 has established long-term antitumor immunity. We previously synthesized a purine-scaffold TLR7 agonist named GD5. Here, we report that the intratumoral administration of GD5 combined with doxorubicin (DOX), a conventional chemotherapeutic agent in T cell lymphoma...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/29156850/harness-the-synergy-between-targeted-therapy-and-immunotherapy-what-have-we-learned-and-where-are-we-headed
#2
REVIEW
Xiaoyan Liu, Qing Zhou, Yan Xu, Minjiang Chen, Jing Zhao, Mengzhao Wang
Since the introduction of imatinib for the treatment of chronic myelogenous leukemia, several oncogenic mutations have been identified in various malignancies that can serve as targets for therapy. More recently, a deeper insight into the mechanism of antitumor immunity and tumor immunoevasion have facilitated the development of novel immunotherapy agents. Certain targeted agents have the ability of inhibiting tumor growth without causing severe lymphocytopenia and amplifying antitumor immune response by increasing tumor antigenicity, enhancing intratumoral T cell infiltration, and altering the tumor immune microenvironment, which provides a rationale for combining targeted therapy with immunotherapy...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29155655/synergies-between-communicable-and-noncommunicable-disease-programs-to-enhance-global-health-security
#3
Deliana Kostova, Muhammad J Husain, David Sugerman, Yuling Hong, Mona Saraiya, Jennifer Keltz, Samira Asma
Noncommunicable diseases are the leading cause of death and disability worldwide. Initiatives that advance the prevention and control of noncommunicable diseases support the goals of global health security in several ways. First, in addressing health needs that typically require long-term care, these programs can strengthen health delivery and health monitoring systems, which can serve as necessary platforms for emergency preparedness in low-resource environments. Second, by improving population health, the programs might help to reduce susceptibility to infectious outbreaks...
December 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29155639/when-machines-think-radiology-s-next-frontier
#4
Keith J Dreyer, J Raymond Geis
Artificial intelligence (AI), machine learning, and deep learning are terms now seen frequently, all of which refer to computer algorithms that change as they are exposed to more data. Many of these algorithms are surprisingly good at recognizing objects in images. The combination of large amounts of machine-consumable digital data, increased and cheaper computing power, and increasingly sophisticated statistical models combine to enable machines to find patterns in data in ways that are not only cost-effective but also potentially beyond humans' abilities...
December 2017: Radiology
https://www.readbyqxmd.com/read/29155563/cellular-effects-and-delivery-propensity-of-penetratin-is-influenced-by-conjugation-to-parathyroid-hormone-fragment-1-34-in-synergy-with-ph
#5
Mie Kristensen, Line Hagner Nielsen, Kinga Zór, Anja Boisen, Malene Vinther Christensen, Jens Berthelsen, Hanne Mørck Nielsen
The cell-penetrating peptide (CPP) penetratin, has demonstrated potential as a carrier for transepithelial delivery of cargo peptides, such as the therapeutically relevant part of parathyroid hormone, i.e. PTH(1-34). The purpose of the present study was to elucidate the relevance of modifying the pH for PTH(1-34)-penetratin conjugates and for co-administered penetratin with PTH(1-34) in terms of transepithelial permeation of PTH(1-34) and cellular effects. Transepithelial permeation was assessed using monolayers of the Caco-2 cell culture model, and effects on Caco-2 cellular viability kinetics were evaluated by using the Real-Time-GLO assay as well as by microscopy following Tryphan blue staining...
November 20, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29154746/in-vitro-and-in-vivo-activity-of-fosfomycin-alone-and-in-combination-with-rifampin-and-tigecycline-against-gram-positive-cocci-isolated-from-surgical-wound-infections
#6
Oriana Simonetti, Gianluca Morroni, Roberto Ghiselli, Fiorenza Orlando, Andrea Brenciani, Ledia Xhuvelaj, Mauro Provinciali, Annamaria Offidani, Mario Guerrieri, Andrea Giacometti, Oscar Cirioni
Complicated skin and soft tissue infections constitute a heterogeneous group of severe disorders, with surgical site infections being the most common hospital-acquired ones. The aim of our study was to investigate the synergistic and bactericidal activities of antimicrobial combinations of fosfomycin with rifampicin and tigecycline against Enterococcus faecalis, Enterococcus faecium and methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, and also to evaluate their in vivo effects in a mouse wound infection model...
November 20, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29154274/cognitive-decline-in-preclinical-alzheimer-s-disease-amyloid-beta-versus-tauopathy
#7
Colin M Huber, Connor Yee, Taylor May, Apoorva Dhanala, Cassie S Mitchell
 We perform a large-scale meta-analysis of 51 peer-reviewed 3xTg-AD mouse publications to compare Alzheimer's disease (AD) quantitative clinical outcome measures, including amyloid-β (Aβ), total tau, and phosphorylated tau (pTau), with cognitive performance in Morris water maze (MWM) and Novel Object Recognition (NOR). "High" levels of Aβ (Aβ40, Aβ42) showed significant but weak trends with cognitive decline (MWM: slope = 0.336, R2 = 0.149, n = 259, p < 0.001; NOR: slope = 0.156, R2 = 0...
November 14, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29154215/error-propagation-of-partial-least-squares-for-parameters-optimization-in-nir-modeling
#8
Chenzhao Du, Shengyun Dai, Yanjiang Qiao, Zhisheng Wu
A novel methodology is proposed to determine the error propagation of partial least-square (PLS) for parameters optimization in near-infrared (NIR) modeling. The parameters include spectral pretreatment, latent variables and variable selection. In this paper, an open source dataset (corn) and a complicated dataset (Gardenia) were used to establish PLS models under different modeling parameters. And error propagation of modeling parameters for water quantity in corn and geniposide quantity in Gardenia were presented by both type І and type II error...
October 28, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29154094/ultrasonic-enhanced-fenton-like-degradation-of-bisphenol-a-using-a-bio-synthesized-schwertmannite-catalyst
#9
Xiang Li, Yongkui Zhang, Yi Xie, Yu Zeng, Panyu Li, Tonghui Xie, Yabo Wang
Schwertmannite (Sch) was synthesized by Acidithiobacillus ferrooxidans and used as Fenton-like catalyst for bisphenol A (BPA) degradation combining with ultrasonic technology (US). Physicochemical characterizations showed that the bio-synthesized Sch particles had a pompon-like morphology with high BET surface area of 92.92m(2)/g. The degradation reaction showed a two-stage pseudo-first-order kinetic process consisting of an induction period and a followed rapid degradation period. A synergistic effect existed between US and Sch on activating H2O2 and the synergy factor was calculated to be 2...
November 12, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/29150402/network-science-of-biological-systems-at-different-scales-a-review
#10
REVIEW
Marko Gosak, Rene Markovič, Jurij Dolenšek, Marjan Slak Rupnik, Marko Marhl, Andraž Stožer, Matjaž Perc
Network science is today established as a backbone for description of structure and function of various physical, chemical, biological, technological, and social systems. Here we review recent advances in the study of complex biological systems that were inspired and enabled by methods of network science. First, we present research highlights ranging from determination of the molecular interaction network within a cell to studies of architectural and functional properties of brain networks and biological transportation networks...
November 3, 2017: Physics of Life Reviews
https://www.readbyqxmd.com/read/29150344/biomechanical-mechanism-of-lateral-trunk-lean-gait-for-knee-osteoarthritis-patients
#11
Kazuki Tokuda, Masaya Anan, Makoto Takahashi, Tomonori Sawada, Kenji Tanimoto, Nobuhiro Kito, Koichi Shinkoda
The biomechanical mechanism of lateral trunk lean gait employed to reduce external knee adduction moment (KAM) for knee osteoarthritis (OA) patients is not well known. This mechanism may relate to the center of mass (COM) motion. Moreover, lateral trunk lean gait may affect motor control of the COM displacement. Uncontrolled manifold (UCM) analysis is an evaluation index used to understand motor control and variability of the motor task. Here we aimed to clarify the biomechanical mechanism to reduce KAM during lateral trunk lean gait and how motor variability controls the COM displacement...
November 4, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/29150335/camptothecin-psammaplin-a-hybrids-as-topoisomerase-i-and-hdac-dual-action-inhibitors
#12
Raffaella Cincinelli, Loana Musso, Roberto Artali, Mario Guglielmi, Erminia Bianchino, Francesco Cardile, Fabiana Colelli, Claudio Pisano, Sabrina Dallavalle
Recent studies have demonstrated enhanced anticancer effects of combination therapy consisting of camptothecin derivatives and HDAC inhibitors. To exploit this synergy in a single active compound, we designed new dual-acting multivalent molecules simultaneously targeting topoisomerase I and HDAC. In particular, a selected compound containing a camptothecin and the psammaplin A scaffold showed a broad spectrum of antiproliferative activity, with IC50 values in the nanomolar range. Preliminary in vivo results indicated a strong antitumor activity on human mesothelioma primary cell line MM473 orthotopically xenografted in CD-1 nude mice and very high tolerability...
November 8, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29149660/a-systems-level-approach-for-investigating-organophosphorus-pesticide-toxicity
#13
Jingbo Zhu, Jing Wang, Yan Ding, Baoyue Liu, Wei Xiao
The full understanding of the single and joint toxicity of a variety of organophosphorus (OP) pesticides is still unavailable, because of the extreme complex mechanism of action. This study established a systems-level approach based on systems toxicology to investigate OP pesticide toxicity by incorporating ADME/T properties, protein prediction, and network and pathway analysis. The results showed that most OP pesticides are highly toxic according to the ADME/T parameters, and can interact with significant receptor proteins to cooperatively lead to various diseases by the established OP pesticide -protein and protein-disease networks...
November 14, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29148655/feframing-climate-change-for-environmental-health
#14
Caitlin Weems, Prithwi Raj Subramaniam
Repeated warnings by the scientific community on the dire consequences of climate change through global warming to the ecology and sustenance of our planet have not been give appropriate attention by the U.S. public. Research has shown that climate change is responsible for catastrophic weather occurrences--such as floods, tornadoes, hurricanes, and heat waves--resulting in environmental and public health issues. The purpose of this report is to examine factors influencing public views on climate change. Theoretical and political perspectives are examined to unpack opinions held by the public in the U...
April 2017: Journal of Environmental Health
https://www.readbyqxmd.com/read/29148244/real-life-experience-with-bioresorbable-polymer-everolimus-eluting-stents-is-this-an-answer-in-search-of-a-question
#15
EDITORIAL
Youssef Rahban, Carey Kimmelstiel
Stent thrombosis and clinically driven restenosis are rare in the era of newer generation DES. The Synergy bioresorbable polymer DES appears to be comparable to other durable polymer and other bioabsorbable polymer DES in terms of safety and efficacy at 1-year post implantation. Further long-term study is needed to determine the specific role of the Synergy stent and other DES with bioabsorbable polymers.
November 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29145599/a-role-for-thiopurine-metabolites-in-the-synergism-between-thiopurines-and-infliximab-in-inflammatory-bowel-disease
#16
Ditte V Mogensen, Jørn Brynskov, Mark A Ainsworth, Jacob Nersting, Kjeld Schmiegelow, Casper Steenholdt
Background: Interactions between principal cytotoxic thiopurine metabolites, 6-thioguanine nucleotides (6-TGN), and infliximab (IFX) and anti-IFX antibodies (Abs) may contribute to higher effectiveness of IFX-thiopurine-combination therapy than monotherapies in inflammatory bowel disease. Methods: To examine if thiopurine metabolites influenced trough IFX and anti-IFX Abs, 89 patients previously assessed for anti-IFX Abs were included. To assess if IFX influenced thiopurine metabolites, 8 patients having responded to 12 weeks of intensified IFX at a constant thiopurine dosing were included...
November 14, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29145050/can-farmers-mitigate-environmental-impacts-through-combined-production-of-food-fuel-and-feed-a-consequential-life-cycle-assessment-of-integrated-mixed-crop-livestock-system-with-a-green-biorefinery
#17
Ranjan Parajuli, Tommy Dalgaard, Morten Birkved
This study evaluates environmental impacts of an integrated mixed crop-livestock system with a green biorefinery (GBR). System integration included production of feed crops and green biomasses (Sys-I) to meet the demand of a livestock system (Sys-III) and to process green biomasses in a GBR system (Sys-II). Processing of grass-clover to produce feed protein was considered in Sys-II, particularly to substitute the imported soybean meal. Waste generated from the livestock and GBR systems were considered for the conversion to biomethane (Sys-IV)...
November 13, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29144958/isolation-of-blandm-producing-enterobacteriaceae-in-a-public-hospital-in-salvador-bahia-brazil
#18
Maria Goreth Barberino, Silvia de Araujo Cruvinel, Célio Faria, Marco Aurélio Salvino, Márcio Oliveira
Carbapenemases have great importance in the global epidemiological scenario since infections with carbapenemase-producing bacteria are associated with high mortality, especially in hospitalized patients in intensive care units. This study describes two microorganisms producers of the New Delhi Metallo-b-lactamase (NDM), Klebsiella pneumoniae and Citrobacter freundii, from two patients admitted to a public hospital in Salvador, Bahia. These are the first clinical cases of NDM described in microorganisms in the north and northeast Brazil...
November 13, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29144757/versatile-encapsulation-technology-based-on-tailored-ph-responsive-amphiphilic-polymers-emulsion-gels-and-capsules
#19
Clémentine Locatelli-Champagne, Jean-Marc Suau, Olivier Guerret, Charlotte Pellet, Michel Cloitre
We present a multipurpose technology to encapsulate hydrophobic substances in micron-size emulsion droplets and capsules. The encapsulating agent is a comb-like stimuli-responsive copolymer comprising side chain surfactants attached to a methacrylic acid/ethylacrylate polyelectrolyte backbone. The composition and structure of the hydrophobic moieties of the side chains are customized in order to tune the particle morphology and the processing conditions. The technology exploits the synergy of properties provided by the copolymer: interfacial activity, pH responsiveness, and viscoelasticity...
November 16, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/29144435/dysregulated-collagen-homeostasis-by-matrix-stiffening-and-tgf-%C3%AE-1-in-fibroblasts-from-idiopathic-pulmonary-fibrosis-patients-role-of-fak-akt
#20
Alícia Giménez, Paula Duch, Marta Puig, Marta Gabasa, Antoni Xaubet, Jordi Alcaraz
Idiopathic pulmonary fibrosis (IPF) is an aggressive disease in which normal lung parenchyma is replaced by a stiff dysfunctional scar rich in activated fibroblasts and collagen-I. We examined how the mechanochemical pro-fibrotic microenvironment provided by matrix stiffening and TGF-β1 cooperates in the transcriptional control of collagen homeostasis in normal and fibrotic conditions. For this purpose we cultured fibroblasts from IPF patients or control donors on hydrogels with tunable elasticity, including 3D collagen-I gels and 2D polyacrylamide (PAA) gels...
November 16, 2017: International Journal of Molecular Sciences
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