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https://www.readbyqxmd.com/read/27906192/thematic-analysis-of-barriers-and-facilitators-to-implementation-of-neonatal-resuscitation-guideline-changes
#1
H C Lee, V Arora, T Brown, A Lyndon
OBJECTIVE: To evaluate experiences regarding implementation of Neonatal Resuscitation Program (NRP) guideline changes in the context of a collaborative quality improvement (QI) project. STUDY DESIGN: Focus groups were conducted with local QI leaders and providers from nine sites that participated in a QI collaborative. Thematic analysis identified facilitators and barriers to implementation of NRP guideline changes and QI in general. RESULTS: Facilitators for QI included comparative process measurement and data tracking...
December 1, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27895796/promotion-of-metastasis-of-thyroid-cancer-cells-via-nrp-2-mediated-induction
#2
Dom-Gene Tu, Wen-Wei Chang, Ming-Shiou Jan, Chi-Wen Tu, Yin-Che Lu, Chien-Kuo Tai
Tumor-node-metastasis is one of the leading causes of morbidity and mortality in thyroid cancer patients. Upregulation of vascular endothelial growth factor-C (VEGF-C) increases the migratory ability of thyroid cancer cells to lymph nodes. Expression of neuropilin-2 (NRP-2), the co-receptor of VEGF-C, has been reported to be correlated with lymph node metastasis in human thyroid cancer. The present study investigated the role of VEGF-C/NRP-2 signaling in the regulation of metastasis of two different types of human thyroid cancer cells...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27889287/structure-activity-relationship-study-of-a-small-cyclic-peptide-h-c-lys-pro-glu-arg-oh-a-potent-inhibitor-of-vascular-endothelial-growth-factor-interaction-with-neuropilin-1
#3
Karolina Grabowska, Anna K Puszko, Piotr F J Lipiński, Anna K Laskowska, Beata Wileńska, Ewa Witkowska, Gerard Y Perret, Aleksandra Misicka
Inhibition of angiogenesis is one of the most promising approaches in anticancer therapy. It was recently suggested that Neuropilin-1 (NRP-1) in tumour cells may serve as a separate receptor for Vascular Endothelial Growth Factor-165 (VEGF165) which is one of the main pro-angiogenic agents in the organism. Therefore molecules inhibiting VEGF165 binding to NRP-1 could be potential candidates for new antiangiogenic and anticancer drugs. Here we present a structure-activity relationship study of the peptide H-c[Lys-Pro-Glu]-Arg-OH which showed high inhibitory effect on VEGF165/NRP-1 binding (IC50=0...
November 14, 2016: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/27862301/participants-opinions-of-the-limited-impact-of-an-adapted-neonatal-resuscitation-course-in-a-low-resource-setting
#4
Maria Elena Cavicchiolo, Marco Daverio, Paolo Lanzoni, Giulia Segafredo, Damiano Pizzol, Giovanni Putoto, Daniele Trevisanuto
In Mozambique, midwives provide neonatal resuscitation at birth. On January 2014, we held an adapted one-day neonatal resuscitation programme (NRP) course, based on lectures, skill stations and practical scenarios, for the 16 midwives at the Central Hospital of Beira (1), the country's second largest hospital, with about 4,500 deliveries per year. This article is protected by copyright. All rights reserved.
November 10, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27856319/elucidation-of-biocontrol-mechanisms-of-trichoderma-harzianum-against-different-plant-fungal-pathogens-universal-yet-host-specific-response
#5
Vivek Sharma, Richa Salwan, Prem N Sharma, S S Kanwar
In the present study, different transcripts of Trichoderma harzianum ThHP-3 were evaluated for their response against four fungal pathogens Fusarium oxysporum, Colletotrichum capsici, Colletotrichum truncatum and Gloesercospora sorghi using RT-qPCR. The time course study of T. harzianum transcripts related to signal transduction, lytic enzymes, secondary metabolites and various transporters revealed variation in expression against four fungal pathogens. In a broader term, the transcripts were upregulated at various time intervals but the optimum expression of cyp3, abc, nrp, tga1, pmk, ech42 and glh20 varied with respect to host fungi...
November 14, 2016: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/27853915/renal-cell-carcinoma-applicability-of-the-apparent-coefficient-of-the-diffusion-weighted-estimated-by-mri-for-improving-their-differential-diagnosis-histologic-subtyping-and-differentiation-grade
#6
Yulian Mytsyk, Ihor Dutka, Yuriy Borys, Iryna Komnatska, Iryna Shatynska-Mytsyk, Ammad Ahmad Farooqi, Katarina Gazdikova, Martin Caprnda, Luis Rodrigo, Peter Kruzliak
BACKGROUND: Renal cell carcinoma (RCC) represents the most common malignant epithelial neoplasm of the kidney. Accurate assessment of the renal masses, defining the histologic subtype and the grade of differentiation of the tumor, is vital to ensure an adequate case management as well as for staging and prognosis. Recently, diffusion-weighted imaging (DWI) magnetic resonance imaging (MRI) tends to be increasingly appealing for the clinicians as an imaging procedure of choice for the diagnosis and staging of the RCC, which is predetermined by several advantages over CT...
November 16, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27835904/tuftsin-prevents-the-negative-immunoregulation-of-neuropilin-1highcd4-cd25-regulatory-t-cells-and-improves-survival-rate-in-septic-mice
#7
Yu-Lei Gao, Mu-Ming Yu, Song-Tao Shou, Ying Yao, Yan-Cun Liu, Li-Jun Wang, Bin Lu, Yan-Fen Chai
Our previous research showed that neuropilin (Nrp) -1highCD4+CD25+Regulatory T cells (Tregs) exhibited primary negative immunoregulation in sepsis induced immune dysfunction. Tuftsin is the typical ligand of Nrp-1. Herein, we investigated the potential therapeutic value and mechanisms of tuftsin in sepsis. Sepsis per se markedly decreased the serum concentration of tuftsin, administration of tuftsin improved the survival rate of septic mice with cecal ligation and puncture (CLP). In vitro study, tuftsin prevented the negative immunoregulation of Nrp-1highCD4+CD25+Tregs, including weakening the expression of forkhead/winged helix transcription factor (Foxp)- 3/cytotoxic T lymphocyte associated antigen (CTLA)-4, inhibiting the secretion of transforming growth factor (TGF)-β, and weakening the immunosuppressive function of Nrp-1highCD4+CD25+Tregs to conventional CD4+CD25-T cells...
November 9, 2016: Oncotarget
https://www.readbyqxmd.com/read/27834904/chemical-and-genetic-diversity-of-nodularia-spumigena-from-the-baltic-sea
#8
Hanna Mazur-Marzec, Mireia Bertos-Fortis, Anna Toruńska-Sitarz, Anna Fidor, Catherine Legrand
Nodularia spumigena is a toxic, filamentous cyanobacterium occurring in brackish waters worldwide, yet forms extensive recurrent blooms in the Baltic Sea. N. spumigena produces several classes of non-ribosomal peptides (NRPs) that are active against several key metabolic enzymes. Previously, strains from geographically distant regions showed distinct NRP metabolic profiles. In this work, conspecific diversity in N. spumigena was studied using chemical and genetic approaches. NRP profiles were determined in 25 N...
November 10, 2016: Marine Drugs
https://www.readbyqxmd.com/read/27826240/the-pharmacological-potential-of-non-ribosomal-peptides-from-marine-sponge-and-tunicates
#9
REVIEW
Shivankar Agrawal, Alok Adholeya, Sunil K Deshmukh
Marine biodiversity is recognized by a wide and unique array of fascinating structures. The complex associations of marine microorganisms, especially with sponges, bryozoans, and tunicates, make it extremely difficult to define the biosynthetic source of marine natural products or to deduce their ecological significance. Marine sponges and tunicates are important source of novel compounds for drug discovery and development. Majority of these compounds are nitrogen containing and belong to non-ribosomal peptide (NRPs) or mixed polyketide-NRP natural products...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27815442/vegf-requires-the-receptor-nrp-1-to-inhibit-lipopolysaccharide-dependent-dendritic-cell-maturation
#10
Nougboli A E Oussa, Amina Dahmani, Marie Gomis, Manon Richaud, Emil Andreev, Ali-Reza Navab-Daneshmand, Julie Taillefer, Cédric Carli, Salix Boulet, Laurent Sabbagh, Nathalie Labrecque, Przemyslaw Sapieha, Jean-Sébastien Delisle
To stimulate a productive T cell response, dendritic cells (DC) must undergo maturation characterized by heightened cell surface expression of MHC and costimulatory molecules as well as cytokine production. Conversely, the inhibition of DC maturation is a central mechanism of immune tolerance. The control of the DC maturation process relies on the integration of several cellular stimulatory or inhibitory signals. The soluble factors and their receptors controlling this central aspect of DC biology are incompletely characterized...
November 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27812802/biotechnological-potential-of-actinobacteria-from-canadian-and-azorean-volcanic-caves
#11
Cristina Riquelme, Maria de Lurdes Enes Dapkevicius, Ana Z Miller, Zachary Charlop-Powers, Sean Brady, Cohord Mason, Naowarat Cheeptham
Caves are regarded as extreme habitats with appropriate conditions for the development of Actinobacteria. In comparison with other habitats, caves have not yet been the target of intensive screening for bioactive secondary metabolites produced by actinomycetes. As a primary screening strategy, we conducted a metagenomic analysis of the diversity and richness of a key gene required for non-ribosomal peptide (NRP) biosynthesis, focusing on cave-derived sediments from two Canadian caves (a lava tube and a limestone cave) to help us predict whether different types of caves may harbor drug-producing actinobacteria...
November 3, 2016: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/27807434/perplexing-metabolomes-in-fungal-insect-trophic-interactions-a-terra-incognita-of-mycobiocontrol-mechanisms
#12
REVIEW
Digar Singh, Su Y Son, Choong H Lee
The trophic interactions of entomopathogenic fungi in different ecological niches viz., soil, plants, or insect themselves are effectively regulated by their maneuvered metabolomes and the plethora of metabotypes. In this article, we discuss a holistic framework of co-evolutionary metabolomes and metabotypes to model the interactions of biocontrol fungi especially with mycosed insects. Conventionally, the studies involving fungal biocontrol mechanisms are reported in the context of much aggrandized fungal entomotoxins while the adaptive response mechanisms of host insects are relatively overlooked...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27803667/wedelolactone-enhances-osteoblastogenesis-but-inhibits-osteoclastogenesis-through-sema3a-nrp1-plexina1-pathway
#13
Yan-Qiu Liu, Xiao-Fei Han, Jun-Xia Bo, Hui-Peng Ma
Bone remodeling balance is maintained by tight coupling of osteoblast-mediated bone formation and osteoclast-mediated bone resorption. Thus, agents with the capacity to regulate osteoblastogenesis and osteoclastogenesis have been investigated for therapy of bone-related diseases such as osteoporosis. In this study, we found that wedelolactone, a compound isolated from Ecliptae herba, and a 9-day incubation fraction of conditioned media obtained from wedelolactone-treated bone marrow mesenchymal stem cell (BMSC) significantly inhibited tartrate-resistant acid phosphatase (TRAP) activity in RANKL-stimulated osteoclastic RAW264...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27797175/liposome-based-systemic-glioma-targeted-drug-delivery-enabled-by-all-d-peptides
#14
Man Ying, Changyou Zhan, Songli Wang, Bingxin Yao, Xuefeng Hu, Xianfei Song, Mingfei Zhang, Xiaoli Wei, Yan Xiong, Weiyue Lu
As the most aggressive brain tumor, chemotherapy of malignant glioma remains to be extremely challenging in clinic. The blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB) are physiological and pathological barriers preventing therapeutic drugs from reaching the glioma region. In addition, vasculogenic mimicry (VM) formed by invasive glioma cells instead of endothelial cells and angiogenesis are very common in glioma, leading to the poor prognosis and recurrence of glioma. An ideal drug delivery system for glioma chemotherapy needs to traverse the BBB and BBTB and then target VM, angiogenesis, and glioma cells...
October 31, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27787843/plate-based-assay-for-measuring-direct-semaphorin-neuropilin-interactions
#15
Matthew W Parker, Craig W Vander Kooi
The semaphorins are an essential family of axon guidance molecules that can be either secreted or are transmembrane proteins. Class 3 semaphorin (Sema3) family members are secreted and provide long-range guidance cues through two receptor families: neuropilins (Nrp) and plexins. Nrp is uniquely required for high-affinity Sema3 binding and signaling. Therefore, characterizing the molecular details of the Sema3/Nrp interaction is important for understanding the broader physiological and pathological role of the Sema3 family of proteins...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27783454/successful-donation-after-cardiac-death-liver-transplants-with-prolonged-warm-ischemia-time-using-normothermic-regional-perfusion
#16
R De Carlis, S Di Sandro, A Lauterio, F Ferla, A Dell'Acqua, M Zanierato, L De Carlis
The role of donation after cardiac death (DCD) in expanding the donor pool is mainly limited by the incidence of primary non-function (PNF) and ischemia-related complications. Even greater concern exists towards uncontrolled DCD, which represents the largest potential pool of DCD donors. We recently started the first Italian series of DCD liver transplantation, using normothermic regional perfusion (NRP) in 6 uncontrolled donors and in 1 controlled case to deal with the legally required no-touch period of 20 minutes...
October 26, 2016: Liver Transplantation
https://www.readbyqxmd.com/read/27772760/role-of-rho-mediated-rock-semaphorin3a-signaling-pathway-in-the-pathogenesis-of-parkinson-s-disease-in-a-mouse-model
#17
Li Qi, Yong-Gang Tang, Lin Wang, Wei He, Hong-Hua Pan, Rong-Rong Nie, Yan Can
OBJECTIVE: The present study aims to elucidate the role of Rho-mediated ROCK-Semaphorin3A signaling pathway in the pathogenesis of Parkinson's disease (PD) in a mouse model. METHODS: One-hundred twelve eight-week male C57BL/6 mice were selected. The mouse model of PD was constructed by intraperitoneal injection of MPTP. All mice were divided into four groups (28 mice in each group): Blank group, Model group, Rho knockout (Rho+/-) group and ROCK knockout (ROCK+/-) group...
November 15, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27760211/biological-role-of-paenilarvins-iturin-like-lipopeptide-secondary-metabolites-produced-by-the-honey-bee-pathogen-paenibacillus-larvae
#18
Gillian Hertlein, Marlene Seiffert, Sebastian Gensel, Eva Garcia-Gonzalez, Julia Ebeling, Ranko Skobalj, Anja Kuthning, Roderich D Süssmuth, Elke Genersch
The Gram-positive bacterium Paenibacillus larvae (P. larvae) is the causative agent of a deadly honey bee brood disease called American Foulbrood (AFB). AFB is a notifiable epizootic in most countries and, hence, P. larvae is of considerable relevance for veterinarians and apiculturists alike. Over the last decade, much progress has been made in the understanding of the (patho)biology of P. larvae. Recently, several non-ribosomally produced peptides (NRP) and peptide/polyketide (NRP/PK) hybrids produced by P...
2016: PloS One
https://www.readbyqxmd.com/read/27736304/the-role-of-sema4a-in-angiogenesis-immune-responses-carcinogenesis-and-retinal-systems
#19
Daisuke Ito, Atsushi Kumanogoh
Semaphorins were originally identified as axon guidance cues that regulate the functional activity of axons in the nervous system. In addition, accumulating evidence indicates that semaphorins have multiple functions in physiological and pathogenic processes, including vascular development, tumor progression, and immune responses. Sema4A is a semaphorin expressed in immune cells, and is thus termed an "immune semaphorin." Sema4A has four types of receptors: Plexin D family, Plexin B family, Tim-2, and Nrp-1...
October 13, 2016: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/27735032/intensive-training-accelerates-the-recovery-of-motor-functions-following-cerebral-ischemia-reperfusion-in-mcao-rats
#20
G Wang, P-P Wang, P-P Meng, C Han, S-W Yue
OBJECTIVE: Cerebral ischemia-reperfusion is the major pathophysiological process in stroke and can cause severe and lasting sequel. However, an intensive exercise training can potentially effect a quick and efficient recovery. We used swimming training on rats with cerebral ischemia-reperfusion (CIR) and explore the underlying neuroprotective mechanism(s), including the effects of intensive training on the expression of semaphorin 3A (Sema3A) and its receptor Neuropilin-1 (NRP-1). MATERIALS AND METHODS: The middle cerebral artery occlusion/reperfusion (MCAO/R) model was established by inserting a thread into the middle cerebral artery of Sprague-Dawley (SD) rats, and randomly dividing into the control group and training groups for different training intensities...
September 2016: European Review for Medical and Pharmacological Sciences
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