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https://www.readbyqxmd.com/read/28432772/studies-on-the-chitin-chitosan-binding-properties-of-six-cuticular-proteins-analogous-to-peritrophin-3-from-bombyx-mori
#1
M Qu, Y Ren, Y Liu, Q Yang
Chitin deacetylation is required to make the cuticle rigid and compact through chitin chain crosslinking. Thus it is presumed that specialized proteins are required to bind deacetylated chitin chains together. However, deacetylated-chitin binding proteins have not ever been reported. In a previous work, six cuticular proteins analogous to peritrophin 3 (CPAP3s) were found to be abundant in the moulting fluid of Bombyx mori. In this study, these BmCPAP3s (BmCPAP3-A1, BmCPAP3-A2, BmCPAP3-B, BmCPAP3-C, BmCPAP3-D1 and BmCPAP3-D2) were cloned and expressed in Escherichia coli and purified using metal-chelating affinity chromatography...
April 22, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28432155/interactive-effects-of-oxygen-carbon-dioxide-and-flow-on-photosynthesis-and-respiration-in-the-scleractinian-coral-galaxea-fascicularis
#2
Ronald Osinga, Marlous Derksen-Hooijberg, Tim Wijgerde, Johan A J Verreth
Rates of dark respiration and net photosynthesis were measured on six replicate clonal fragments of the stony coral Galaxea fascicularis (Linnaeus 1767), which were incubated under twelve different combinations of dissolved oxygen (20%, 100% and 150% saturation), dissolved carbon dioxide (9.5 and 19.1 μmol L(-1)) and water flow (1-1.6 cm s(-1) versus 4-13 cm s(-1)) in a repeated measures design. Dark respiration was enhanced by increased flow and increased oxygen saturation in an interactive way, which relates to improved oxygen influx into the coral tissue...
April 21, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28430885/lesion-mapping-of-stroke-related-erectile-dysfunction
#3
Klemens Winder, Frank Seifert, Martin Köhrmann, Carl Crodel, Stephan Kloska, Arnd Dörfler, Katharina M Hösl, Stefan Schwab, Max J Hilz
Acute ischaemic stroke in brain areas contributing to male sexual function may impair erectile function depending on the lesion site. This study intended to determine associations between stroke-related erectile dysfunction and cerebral ischaemic lesion sites using voxel-based lesion mapping. In 52 males (mean age 60.5 ± 10.5 years) with first-ever ischaemic strokes, we assessed erectile function after and retrospectively 3 months prior to the stroke using scores of the 5-item International Index of Erectile Function-5 questionnaire...
April 18, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28430790/whole-genome-sequencing-suggests-mechanisms-for-22q11-2-deletion-associated-parkinson-s-disease
#4
Nancy J Butcher, Daniele Merico, Mehdi Zarrei, Lucas Ogura, Christian R Marshall, Eva W C Chow, Anthony E Lang, Stephen W Scherer, Anne S Bassett
OBJECTIVES: To investigate disease risk mechanisms of early-onset Parkinson's disease (PD) associated with the recurrent 22q11.2 deletion, a genetic risk factor for early-onset PD. METHODS: In a proof-of-principle study, we used whole-genome sequencing (WGS) to investigate sequence variants in nine adults with 22q11.2DS, three with neuropathologically confirmed early-onset PD and six without PD. Adopting an approach used recently to study schizophrenia in 22q11...
2017: PloS One
https://www.readbyqxmd.com/read/28430363/cerebrolysin-for-acute-ischaemic-stroke
#5
REVIEW
Liliya Eugenevna Ziganshina, Tatyana Abakumova, Ludivine Vernay
BACKGROUND: Cerebrolysin is a mixture of low-molecular-weight peptides and amino acids derived from pigs' brain tissue, which has potential neuroprotective and neurotrophic properties. It is widely used in the treatment of acute ischaemic stroke in Russia, Eastern Europe, China, and other Asian and post-Soviet countries. OBJECTIVES: To assess the benefits and risks of cerebrolysin for treating acute ischaemic stroke. SEARCH METHODS: In May 2016 we searched the Cochrane Stroke Group Trials Register, CENTRAL, MEDLINE, Embase, Web of Science Core Collection, with Science Citation Index, LILACS, OpenGrey, and a number of Russian Databases...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28430301/towards-a-bioengineered-kidney-recellularization-strategies-for-decellularized-native-kidney-scaffolds
#6
Michele Fedecostante, Oana G Onciu, Koen G C Westphal, Rosalinde Masereeuw
Patients with end-stage renal disease often undergo dialysis as a partial substitute for kidney function while waiting for their only treatment option: a kidney transplant. Several research directions emerged for alternatives in support of the ever-growing numbers of patients. Recent years brought big steps forward in the field, with researchers questioning and improving the current dialysis devices as well as moving towards the design of a bioengineered kidney. Whole-organ engineering is also being explored as a possibility, making use of animal or human kidney scaffolds for engineering a transplantable organ...
April 20, 2017: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/28429728/a-formulated-tlr7-8-agonist-is-a-flexible-highly-potent-and-effective-adjuvant-for-pandemic-influenza-vaccines
#7
Neal Van Hoeven, Christopher B Fox, Brian Granger, Tara Evers, Sharvari W Joshi, Ghislain I Nana, Sarah C Evans, Susan Lin, Hong Liang, Li Liang, Rie Nakajima, Philip L Felgner, Richard A Bowen, Nicole Marlenee, Airn Hartwig, Susan L Baldwin, Rhea N Coler, Mark Tomai, James Elvecrog, Steven G Reed, Darrick Carter
Since 1997, highly pathogenic avian influenza viruses of the H5N1 subtype have been transmitted from avian hosts to humans. The severity of H5N1 infection in humans, as well as the sporadic nature of H5N1 outbreaks, both geographically and temporally, make generation of an effective vaccine a global public health priority. An effective H5N1 vaccine must ultimately provide protection against viruses from diverse clades. Toll-like receptor (TLR) agonist adjuvant formulations have a demonstrated ability to broaden H5N1 vaccine responses in pre-clinical models...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429072/kidney-development-and-perspectives-for-organ-engineering
#8
REVIEW
Ganna Reint, Aleksandra Rak-Raszewska, Seppo J Vainio
Organ transplantation is currently the best strategy for treating end stage renal disease (ESRD) but the numbers of donor kidneys available are not sufficient to meet the needs of the ever-increasing ESRD population. Therefore, developments in the field of tissue engineering are necessary to provide alternative treatments. Decellularization and three-dimensional (3D) bioprinting strategies may serve as attractive novel options. Since successful tissue engineering requires an in -depth understanding of organ development and regulatory pathways, we discuss signaling in renal development and the composition of the renal extracellular matrix before presenting progress in the decellularization and 3D bioprinting fields...
April 20, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28428271/master-transcriptional-regulators-in-cancer-discovery-via-reverse-engineering-approaches-and-subsequent-validation
#9
REVIEW
Bruce Moran, Arman Rahman, Katja Palonen, Fiona T Lanigan, William M Gallagher
Reverse engineering of transcriptional networks using gene expression data enables identification of genes that underpin the development and progression of different cancers. Methods to this end have been available for over a decade and, with a critical mass of transcriptomic data in the oncology arena having been reached, they are ever more applicable. Extensive and complex networks can be distilled into a small set of key master transcriptional regulators (MTR), genes that are very highly connected and have been shown to be involved in processes of known importance in disease...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28428158/mobile-application-to-promote-adherence-to-oral-chemotherapy-and-symptom-management-a-protocol-for-design-and-development
#10
Joel Nathan Fishbein, Lauren Ellen Nisotel, James John MacDonald, Nicole Amoyal Pensak, Jamie Michele Jacobs, Clare Flanagan, Kamal Jethwani, Joseph Andrew Greer
BACKGROUND: Oral chemotherapy is increasingly used in place of traditional intravenous chemotherapy to treat patients with cancer. While oral chemotherapy includes benefits such as ease of administration, convenience, and minimization of invasive infusions, patients receive less oversight, support, and symptom monitoring from clinicians. Additionally, adherence is a well-documented challenge for patients with cancer prescribed oral chemotherapy regimens. With the ever-growing presence of smartphones and potential for efficacious behavioral intervention technology, we created a mobile health intervention for medication and symptom management...
April 20, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28427971/extent-of-resection-in-glioma-a-review-of-the-cutting-edge
#11
REVIEW
Randy S D'Amico, Zachary K Englander, Peter Canoll, Jeffrey N Bruce
Modern glioma surgery has evolved from the principle belief that safe, maximal tumor resection improves symptom management, quality of life, progression-free survival (PFS), and overall survival (OS) in both low- and high-grade glioma (LGG and HGG, respectively). However, in the absence of level I data, the overwhelming support for this idea is derived largely from retrospective series. As a result, the influence of increasing extent of resection (EOR) and reducing tumor burden on the efficacy of postoperative chemotherapy and radiotherapy, and ultimately survival, remains inadequately defined...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427506/recent-advances-in-genitourinary-tumors-a-review-focused-on-biology-and-systemic-treatment
#12
REVIEW
Aránzazu González Del Alba, José Ángel Arranz, Javier Puente, María José Méndez-Vidal, Enrique Gallardo, Enrique Grande, Begoña Pérez-Valderrama, Enrique González-Billalabeitia, Martín Lázaro-Quintela, Álvaro Pinto, Nuria Lainez, Josep M Piulats, Emilio Esteban, José Pablo Maroto Rey, Jorge A García, Cristina Suárez
Updated information published up to 2016 regarding major advances in renal cancer, bladder cancer, and prostate cancer is here presented. Based on an ever better understanding of the genetic and molecular alterations that govern the initial pathogenic mechanisms of tumor oncogenesis, an improvement in the characterization and treatment of urologic tumors has been achieved in the past year. According to the Cancer Genome Atlas (ATLAS) project, alterations in the MET pathway are characteristics of type 1 papillary renal cell carcinomas, and activation of NRF2-ARE pathway is associated with the biologically distinct type 2...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427481/triage-and-the-lost-art-of-decoding-vital-signs-restoring-physiologically-based-triage-skills-in-complex-humanitarian-emergencies
#13
Frederick M Burkle
Triage management remains a major challenge, especially in resource-poor settings such as war, complex humanitarian emergencies, and public health emergencies in developing countries. In triage it is often the disruption of physiology, not anatomy, that is critical, supporting triage methodology based on clinician-assessed physiological parameters as well as anatomy and mechanism of injury. In recent times, too many clinicians from developed countries have deployed to humanitarian emergencies without the physical exam skills needed to assess patients without the benefit of remotely fed electronic monitoring, laboratory, and imaging studies...
April 21, 2017: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/28426906/measuring-the-impact-of-dermatological-conditions-on-family-and-caregivers-a-review-of-dermatology-specific-instruments
#14
REVIEW
F Sampogna, A Y Finlay, S S Salek, P Chernyshov, F J Dalgard, A W M Evers, D Linder, L Manolache, S E Marron, F Poot, S Spillekom-van Koulil, Å Svensson, J C Szepietowski, L Tomas-Aragones, D Abeni
The patient is the centre of a web of relationships and the impact of his/her disease on family members and caregivers must be taken into account. The aim of this study was to identify the specific instruments that measure the impact of a dermatological disease on the quality of life (QoL) of family members, by performing a systematic search of the literature. Fifteen papers were identified, describing the creation and validation of nine instruments. Four of them concerned atopic dermatitis (Dermatitis Family Index, DFI; Parents' Index QoL Atopic Dermatitis, PiQoL-AD; QoL in Primary Caregivers of children with Atopic Dermatitis, QPCAD; Childhood Atopic Dermatits Impact Scale, CADIS), two measured the impact of psoriasis in family members (Psoriasis Family Index, PFI; FamilyPso), one the impact of epidermolysis bullosa (Epidermolysis Bullosa Burden of Disease, EB-BoD), one of ichthyosis (Family Burden Ichthyosis, FBI), and one was generic for dermatological conditions (Family Dermatology Life Quality Index, FDLQI)...
April 20, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28426728/pulmonary-vascular-volume-impaired-left-ventricular-filling-and-dyspnea-the-mesa-lung-study
#15
Carrie P Aaron, Eric A Hoffman, Joao A C Lima, Steven M Kawut, Alain G Bertoni, Jens Vogel-Claussen, Mohammadali Habibi, Katja Hueper, David R Jacobs, Ravi Kalhan, Erin D Michos, Wendy S Post, Martin R Prince, Benjamin M Smith, Bharath Ambale-Venkatesh, Chia-Ying Liu, Filip Zemrak, Karol E Watson, Matthew Budoff, David A Bluemke, R Graham Barr
BACKGROUND: Evaluation of impaired left ventricular (LV) filling has focused on intrinsic causes of LV dysfunction; however, pulmonary vascular changes may contribute to reduced LV filling and dyspnea. We hypothesized that lower total pulmonary vascular volume (TPVV) on computed tomography (CT) would be associated with dyspnea and decrements in LV end-diastolic volume, particularly among ever-smokers. METHODS: The Multi-Ethnic Study of Atherosclerosis recruited adults without clinical cardiovascular disease in 2000-02...
2017: PloS One
https://www.readbyqxmd.com/read/28426692/what-is-adaptation-by-natural-selection-perspectives-of-an-experimental-microbiologist
#16
REVIEW
Richard E Lenski
Ever since Darwin, the role of natural selection in shaping the morphological, physiological, and behavioral adaptations of animals and plants across generations has been central to understanding life and its diversity. New discoveries have shown with increasing precision how genetic, molecular, and biochemical processes produce and express those organismal features during an individual's lifetime. When it comes to microorganisms, however, understanding the role of natural selection in producing adaptive solutions has historically been, and sometimes continues to be, contentious...
April 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28426558/combat-surgical-workload-in-oif-oef-the-definitive-analysis
#17
Caryn A Turner, Zsolt T Stockinger, Jennifer M Gurney
BACKGROUND: Relatively few publications exist on surgical workload in the deployed military setting. This study analyses U.S. Military combat surgical workload in Iraq and Afghanistan to gain a more thorough understanding of surgical training gaps and personnel requirements. METHODS: A retrospective analysis of the Department of Defense Trauma Registry (DoDTR) was performed for all Role 2 (R2) and Role 3 (R3) Military Treatment Facilities (MTFs), from January 2001 to May 2016...
April 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28426520/nursing-practice-research-and-education-in-the-west-the-best-is-yet-to-come
#18
Heather M Young, Susan Bakewell-Sachs, Linda Sarna
PURPOSE: This paper celebrates the 60th anniversary of the Western Institute of Nursing, the nursing organization representing 13 states in the Western United States, and envisions a preferred future for nursing practice, research, and education. BACKGROUND: Three landmark calls to action contribute to transforming nursing and healthcare: the Patient Protection and Affordable Care Act of 2010; the Institute of Medicine report Future of Nursing: Leading Change, Advancing Health; and the report Advancing Healthcare Transformation: A New Era for Academic Nursing...
April 20, 2017: Nursing Research
https://www.readbyqxmd.com/read/28425887/undergraduate-teaching-in-geriatrics-and-pediatrics-in-portuguese-medical-schools-an-observational-study
#19
Mariana Amaral, Filipa Matias, Lígia Massena, Nuno Cardoso
INTRODUCTION: Motivated by the contracting nature of the Portuguese age pyramid, and thereby the ever increasing geriatric population, the aim of this study was to compare the number of European Credit Transfer and Accumulation System Credits dedicated to Geriatrics with Pediatrics in Portuguese Medical Schools. MATERIAL AND METHODS: An observational, descriptive and cross-sectional study was conducted and included six Portuguese Medical Schools that have six years of training and a total of 360 credits...
December 30, 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28425875/occurrence-of-qnrb1-and-qnrb12-genes-mutation-in-gyra-and-ramr-and-expression-of-efflux-pumps-in-isolates-of-klebsiella-pneumoniae-carriers-of-blakpc-2
#20
Alexsandra Maria Lima Scavuzzi, Maria Amélia Vieira Maciel, Heloísa Ramos Lacerda de Melo, Luiz Carlos Alves, Fábio André Brayner, Ana Catarina Souza Lopes
PURPOSE: The occurrence of quinolone-resistance genes (qnrA, qnrB and qnrS), the presence of mutations in gyrA, gyrB and parC, as well as the expression of efflux pumps (acrB and acrF) and mutations in the gene ramR. METHODOLOGY: Were investigated in 30 blaKPC-2-positive isolates of Klebsiella pneumoniae taken from infection and colonization in hospital patients from Recife-PE, Brazil. The detection of the qnr, acrB and acrF genes and analysis of the mutations in ramR and the quinolone-resistance-determining regions of gyrA, gyrB and parC were performed by PCR followed by DNA sequencing...
April 21, 2017: Journal of Medical Microbiology
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