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https://www.readbyqxmd.com/read/28727907/novel-role-of-surfactant-protein-a-in-bacterial-sinusitis
#1
George T Noutsios, Amanda L Willis, Julie G Ledford, Eugene H Chang
BACKGROUND: Chronic rhinosinusitis (CRS) is a common inflammatory disorder of the upper airway characterized by chronic inflammation and significant sinonasal remodeling. CRS is comprised of 2 major subgroups, based on whether polyps are present or absent. In some cases, it is characterized by colonization with opportunistic pathogens such as Pseudomonas aeruginosa (PA), Staphylococcus aureus, and other bacteria. The innate immune system of the sinonasal epithelium is the first line of defense against inhaled pathogens...
July 20, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/28727829/functional-differentiation-and-spatial-temporal-co-expression-networks-of-the-nbs-encoding-gene-family-in-jilin-ginseng-panax-ginseng-c-a-meyer
#2
Rui Yin, Mingzhu Zhao, Kangyu Wang, Yanping Lin, Yanfang Wang, Chunyu Sun, Yi Wang, Meiping Zhang
Ginseng, Panax ginseng C.A. Meyer, is one of the most important medicinal plants for human health and medicine. It has been documented that over 80% of genes conferring resistance to bacteria, viruses, fungi and nematodes are contributed by the nucleotide binding site (NBS)-encoding gene family. Therefore, identification and characterization of NBS genes expressed in ginseng are paramount to its genetic improvement and breeding. However, little is known about the NBS-encoding genes in ginseng. Here we report genome-wide identification and systems analysis of the NBS genes actively expressed in ginseng (PgNBS genes)...
2017: PloS One
https://www.readbyqxmd.com/read/28727801/proponent-or-collaborative-physician-perspectives-and-approaches-to-disease-modifying-therapies-in-sickle-cell-disease
#3
Nitya Bakshi, Cynthia B Sinha, Diana Ross, Kirshma Khemani, George Loewenstein, Lakshmanan Krishnamurti
Sickle cell disease (SCD) is an inherited blood disorder that primarily affects African-American and other ethnic minority populations. There are three available disease-modifying therapies for sickle cell disease: hydroxyurea (HU), bone marrow transplantation (BMT), and chronic blood transfusion (CBT). Since these treatments vary in their therapeutic intent, efficacy in preventing progression of the disease, short and long-term adverse effects, costs and patient burden, the decision-making process regarding these therapies is complicated for both the patient and healthcare provider...
2017: PloS One
https://www.readbyqxmd.com/read/28727767/exploring-the-binding-pathways-of-the-14-3-3%C3%AE-protein-structural-and-free-energy-profiles-revealed-by-hamiltonian-replica-exchange-molecular-dynamics-with-distancefield-distance-restraints
#4
Gabor Nagy, Chris Oostenbrink, Jozef Hritz
The 14-3-3 protein family performs regulatory functions in eukaryotic organisms by binding to a large number of phosphorylated protein partners. Whilst the binding mode of the phosphopeptides within the primary 14-3-3 binding site is well established based on the crystal structures of their complexes, little is known about the binding process itself. We present a computational study of the process by which phosphopeptides bind to the 14-3-3ζ protein. Applying a novel scheme combining Hamiltonian replica exchange molecular dynamics and distancefield restraints allowed us to map and compare the most likely phosphopeptide-binding pathways to the 14-3-3ζ protein...
2017: PloS One
https://www.readbyqxmd.com/read/28727763/loss-of-receptor-activity-modifying-protein-2-in-mice-causes-placental-dysfunction-and-alters-pth1r-regulation
#5
Mahita Kadmiel, Brooke C Matson, Scott T Espenschied, Patricia M Lenhart, Kathleen M Caron
Receptor activity-modifying protein 2 (Ramp2) is a single-pass transmembrane protein that heterodimerizes with several family B G-protein coupled receptors to alter their function. Ramp2 has been primarily characterized in association with calcitonin receptor-like receptor (Calcrl, CLR), forming the canonical receptor complex for the endocrine peptide adrenomedullin (Adm, AM). However, we previously demonstrated that Ramp2+/- female mice display a constellation of endocrine-related phenotypes that are distinct from those of Adm+/- and Calcrl+/- mice, implying that RAMP2 has physiological functions beyond its canonical complex...
2017: PloS One
https://www.readbyqxmd.com/read/28726932/cationic-all-halogen-bonding-rotaxanes-for-halide-anion-recognition
#6
Xiaoxiong Li, Jason Y C Lim, Paul D Beer
A family of cationic halogen bonding [2]rotaxanes have been synthesised via an active-metal template synthetic strategy. (1)H NMR spectroscopic anion titration investigations reveal these interlocked host systems recognize halides selectively over oxoanions in aqueous-organic solvent media. Furthermore, systematically modulating the rigidity and size of the rotaxanes' anion binding cavities via metal complexation, as well as by varying the number of halogen bond-donor groups in the axle component, was found to dramatically influence halide anion selectivity...
July 20, 2017: Faraday Discussions
https://www.readbyqxmd.com/read/28726906/influence-of-local-structure-on-photoluminescence-properties-of-eu-3-doped-ceo2-red-phosphors-through-induced-oxygen-vacancies-by-contrasting-rare-earth-substitutions
#7
Athira K V Raj, P Prabhakar Rao, T S Sreena, T R Aju Thara
A new family of red phosphors, Ce0.9-xRExO2-δ:0.1Eu(3+) (RE = Y and La; x = 0, 0.20, 0.40, 0.60, 0.80, and 0.90), was synthesized by a conventional solid-state route. The influence of contrasting rare earth substitutions (Y and La) in the system was investigated on the local structure and associated photoluminescence properties by various characterization techniques. Both trivalent ion substitutions lead to the same kind of variation during phase transformation from fluorite to the respective parent oxide structure (x ≥ 0...
July 20, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28726785/jun-is-important-for-ocular-hypertension-induced-retinal-ganglion-cell-degeneration
#8
Stephanie B Syc-Mazurek, Kimberly A Fernandes, Richard T Libby
Ocular hypertension, a major risk factor for glaucoma, is thought to trigger glaucomatous neurodegeneration through injury to retinal ganglion cell (RGC) axons. The molecular signaling pathway leading from ocular hypertension to RGC degeneration, however, is not well defined. JNK signaling, a component of the mitogen-activated protein kinase (MAPK) family, and its canonical target, the transcription factor JUN, have been shown to regulate neurodegeneration in many different systems. JUN is expressed after glaucoma-relevant injuries and Jun deficiency protects RGCs after mechanical injury to the optic nerve...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28726736/protozoadb-2-0-a-trypanosoma-brucei-case-study
#9
Rodrigo Jardim, Diogo Tschoeke, Alberto M R Da Vila
Over the last decade new species of Protozoa have been sequenced and deposited in GenBank. Analyzing large amounts of genomic data, especially using Next Generation Sequencing (NGS), is not a trivial task, considering that researchers used to deal or focus their studies on few genes or gene families or even small genomes. To facilitate the information extraction process from genomic data, we developed a database system called ProtozoaDB that included five genomes of Protozoa in its first version. In the present study, we present a new version of ProtozoaDB called ProtozoaDB 2...
July 20, 2017: Pathogens
https://www.readbyqxmd.com/read/28726635/as-cath1-6-novel-cathelicidins-with-potent-antimicrobial-and-immunomodulatory-properties-from-alligator-sinensis-play-pivotal-roles-in-host-anti-microbial-immune-responses
#10
Yan Chen, Shasha Cai, Xue Qiao, Mali Wu, Zhilai Guo, Renping Wang, Yi-Qun Kuang, Haining Yu, Yipeng Wang
Crocodilians are regarded as possessing a powerful immune system. However, the composition and action of crocodilian immune system has remained unclear until now. Cathelicidins, the principal family of host defense peptides, play pivotal roles in vertebrate immune defense against microbial invasions. However, cathelicidins from crocodilians have not been extensively studied to date. In the present study, six novel cathelicidins (As-CATH1~6) were identified and characterized from the endangered Chinese Alligator ( Alligator sinensis )...
July 18, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28726443/contextualizing-risk-and-protection-perceptions-of-bedouin-mothers-from-unrecognized-villages-in-the-naqab
#11
Ibtisam Marey-Sarwan, Dorit Roer-Strier, Hiltrud Otto
This qualitative study utilizes ecological theory, a context-informed perspective, and an interactive model to study minority children, while considering structural factors, oppression, segregation, power dynamics, and awareness of the political context. It examines perceptions of risk and protection using "snowball" sampling of 33 Bedouin mothers, citizens of Israel, from the unrecognized villages (UVs) in the Naqab in Southern Israel. Data were collected via in-depth, semistructured interviews during 2011 to 2013...
July 20, 2017: American Journal of Orthopsychiatry
https://www.readbyqxmd.com/read/28726266/survival-among-children-with-lethal-congenital-contracture-syndrome-11-caused-by-novel-mutations-in-the-gliomedin-gene-gldn
#12
Jennifer A Wambach, Georg M Stettner, Tobias B Haack, Karin Writzl, Andreja Škofljanec, Aleš Maver, Francina Munell, Stephan Ossowski, Mattia Bosio, Daniel J Wegner, Marwan Shinawi, Dustin Baldridge, Bader Alhaddad, Tim M Strom, Dorothy K Grange, Ekkehard Wilichowski, Robin Troxell, James Collins, Barbara B Warner, Robert E Schmidt, Alan Pestronk, F Sessions Cole, Robert Steinfeld
Biallelic GLDN mutations have recently been identified among infants with lethal congenital contracture syndrome 11 (LCCS11). GLDN encodes gliomedin, a protein required for the formation of the nodes of Ranvier and development of the human peripheral nervous system. We report 6 infants and children from 4 unrelated families with biallelic GLDN mutations, 4 of whom survived beyond the neonatal period into infancy, childhood, and late adolescence with intensive care and chronic respiratory and nutritional support...
July 20, 2017: Human Mutation
https://www.readbyqxmd.com/read/28726252/central-amygdala-relaxin-3-rxfp3-signalling-modulates-alcohol-seeking-in-rats
#13
Leigh C Walker, Hanna E Kastman, Elena Krstew, Andrew L Gundlach, Andrew J Lawrence
BACKGROUND AND PURPOSE: Alcohol use disorders are a leading cause of preventable deaths worldwide and stress is a major trigger of relapse. The neuropeptide relaxin-3 and its cognate receptor, relaxin family peptide receptor 3 (RXFP3), modulate stress-induced relapse to alcohol seeking in rats and while the bed nucleus of the stria terminalis has been implicated in this regard, the central nucleus of the amygdala (CeA) also receives a relaxin-3 innervation and CeA neurons densely express RXFP3 mRNA...
July 20, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28726123/rapidly-progressive-white-matter-involvement-in-early-childhood-the-expanding-phenotype-of-infantile-onset-pompe
#14
A Broomfield, J Fletcher, P Hensman, R Wright, H Prunty, J Pavaine, S A Jones
Glycogen accumulation in the central nervous system of patients with classical infantile onset Pompe disease (IOPD) has been a consistent finding on the few post-mortems performed. While delays in myelination and a possible reduction in processing speed have previously been noted, it has only been recently that the potential for clinically significant progressive white matter disease has been noted. The limited reports thus far published infer that in some IOPD patients, this manifests as intellectual decline in the second decade of life...
July 20, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28726068/cardiac-complications-of-congenital-disorders-of-glycosylation-cdg-a-systematic-review-of-the-literature
#15
REVIEW
D Marques-da-Silva, R Francisco, D Webster, V Dos Reis Ferreira, J Jaeken, T Pulinilkunnil
Congenital disorders of glycosylation (CDG) are inborn errors of metabolism due to protein and lipid hypoglycosylation. This rapidly growing family of genetic diseases comprises 103 CDG types, with a broad phenotypic diversity ranging from mild to severe poly-organ -system dysfunction. This literature review summarizes cardiac involvement, reported in 20% of CDG. CDG with cardiac involvement were divided according to the associated type of glycosylation: N-glycosylation, O-glycosylation, dolichol synthesis, glycosylphosphatidylinositol (GPI)-anchor biosynthesis, COG complex, V-ATPase complex, and other glycosylation pathways...
July 19, 2017: Journal of Inherited Metabolic Disease
https://www.readbyqxmd.com/read/28725482/systems-biology-driving-drug-development-from-design-to-the-clinical-testing-of-the-anti-erbb3-antibody-seribantumab-mm-121
#16
REVIEW
Birgit Schoeberl, Art Kudla, Kristina Masson, Ashish Kalra, Michael Curley, Gregory Finn, Emily Pace, Brian Harms, Jaeyeon Kim, Jeff Kearns, Aaron Fulgham, Olga Burenkova, Viara Grantcharova, Defne Yarar, Violette Paragas, Jonathan Fitzgerald, Marisa Wainszelbaum, Kip West, Sara Mathews, Rachel Nering, Bambang Adiwijaya, Gabriela Garcia, Bill Kubasek, Victor Moyo, Akos Czibere, Ulrik B Nielsen, Gavin MacBeath
The ErbB family of receptor tyrosine kinases comprises four members: epidermal growth factor receptor (EGFR/ErbB1), human EGFR 2 (HER2/ErbB2), ErbB3/HER3, and ErbB4/HER4. The first two members of this family, EGFR and HER2, have been implicated in tumorigenesis and cancer progression for several decades, and numerous drugs have now been approved that target these two proteins. Less attention, however, has been paid to the role of this family in mediating cancer cell survival and drug tolerance. To better understand the complex signal transduction network triggered by the ErbB receptor family, we built a computational model that quantitatively captures the dynamics of ErbB signaling...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28725255/transition-into-adult-care-factors-associated-with-level-of-preparedness-among-adolescents-living-with-hiv-in-cambodia
#17
Siyan Yi, Chanrith Ngin, Khuondyla Pal, Vohith Khol, Sovannary Tuot, Sokunmealiny Sau, Pheak Chhoun, Gitau Mburu, Sok Chamreun Choub, Kolab Chhim, Penhsun Ly
BACKGROUND: Preparing adolescents for transition into adult care and supporting their acquisition of self-health care management skills is a critical determinant of their post-transition HIV care outcomes. However, there is a scarcity of research on effective transition strategies. This study explores factors associated with adolescent preparedness for transition into adult care in Cambodia. METHODS: In August 2016, a cross-sectional study was conducted among 223 adolescents living with HIV aged 15-17, randomly selected from 11 antiretroviral therapy clinics, utilizing a structured questionnaire...
2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28725209/a-national-early-intervention-system-as-a-strategy-to-promote-inclusion-and-academic-achievement-in-portugal
#18
Vitor Franco, Madalena Melo, Graça Santos, Ana Apolónio, Leonor Amaral
Early intervention with children at risk or facing developmental problems is a practice defined by three fundamental characteristics: being family-centered, being based on the community and on the child's life context, and being conducted by a team with transdisciplinary practice. In this paper we wish to present how the SNIPI-National System of Early Intervention, implemented in Portugal over the past 15 years, contributes to promote maximum development and the full inclusion of children up to 6 years of age and works to prevent school failure...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28725205/school-functioning-of-a-particularly-vulnerable-group-children-and-young-people-in-residential-child-care
#19
Carla González-García, Susana Lázaro-Visa, Iriana Santos, Jorge F Del Valle, Amaia Bravo
A large proportion of the children and young people in residential child care in Spain are there as a consequence of abuse and neglect in their birth families. Research has shown that these types of adverse circumstances in childhood are risk factors for emotional and behavioral problems, as well as difficulties in adapting to different contexts. School achievement is related to this and represents one of the most affected areas. Children in residential child care exhibit extremely poor performance and difficulties in school functioning which affects their transition to adulthood and into the labor market...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28725181/impact-of-proestrus-on-gene-expression-in-the-medial-preoptic-area-of-mice
#20
Csaba Vastagh, Zsolt Liposits
The antero-ventral periventricular zone (AVPV) and medial preoptic area (MPOA) have been recognized as gonadal hormone receptive regions of the rodent brain that-via wiring to gonadotropin-releasing hormone (GnRH) neurons-contribute to orchestration of the preovulatory GnRH surge. We hypothesized that neural genes regulating the induction of GnRH surge show altered expression in proestrus. Therefore, we compared the expression of 48 genes obtained from intact proestrous and metestrous mice, respectively, by quantitative real-time PCR (qPCR) method...
2017: Frontiers in Cellular Neuroscience
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