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https://www.readbyqxmd.com/read/28646721/biochemical-immunological-hybrid-biosensor-based-on-two-dimensional-chromatography-for-on-site-sepsis-diagnosis
#1
Seung-Wan Kim, Il-Hoon Cho, Guei-Sam Lim, Gi-Na Park, Se-Hwan Paek
A hybrid-biosensor system that can simultaneously fulfill the immunoassay for protein markers (e.g., C-reactive protein (CRP) and procalcitonin (PCT)) and the enzyme assay for metabolic substances (e.g., lactate) in the same sepsis-based sample has been devised. Such a challenge was pursued through the installation of an enzyme-reaction zone on the signal pad of the typical immuno-strip for the rapid two-dimensional (2-D)-chromatography test. To minimize the mutual interference in the hybrid assays, a pre-determined membrane site was etched in a pattern and mounted with a biochemical-reaction pad, thereby allowing a loaded sample to enter and then stay in the pad for a colored-signal production over the course of an immunoassay...
June 16, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28646594/prevalence-and-prognosis-of-low-volume-oligorecurrent-hormone-sensitive-prostate-cancer-amenable-to-lesion-ablative-therapy
#2
Aurélie De Bruycker, Bieke Lambert, Tom Claeys, Louke Delrue, Chamberlain Mbah, Gert De Meerleer, Geert Villeirs, Filip De Vos, Kathia De Man, Karel Decaestecker, Valérie Fonteyne, Nicolaas Lumen, Filip Ameye, Ignace Billiet, Steven Joniau, Friedl Vanhaverbeke, Wim Duthoy, Piet Ost
OBJECTIVES: To describe the anatomical patterns of PCa recurrence following primary therapy and investigate if patients with low-volume disease have a better prognosis as compared to their counterparts. MATERIAL AND METHODS: Patients eligible for a F18-choline PET-CT were entered in a prospective cohort study. Eligible patients had an asymptomatic biochemical recurrence following primary PCa treatment and testosterone levels >50 ng/ml. The number of lesions were counted per scan...
June 24, 2017: BJU International
https://www.readbyqxmd.com/read/28646485/findings-from-the-harvard-medical-school-cambridge-integrated-clerkship-a-year-long-longitudinal-psychiatry-experience
#3
Elisa Cheng, David Hirsh, Elizabeth Gaufberg, Todd Griswold, J Wesley Boyd
OBJECTIVE: The Harvard Medical School Cambridge Integrated Clerkship is a longitudinal integrated clerkship that has provided an alternative clinical model for medical education in psychiatry since its inception in 2004. This study was undertaken in an effort to better understand the student experience of the Cambridge Integrated Clerkship and how it may have impacted students' perceptions of and interest in psychiatry, as well as performance. METHODS: Qualitative surveys were sent via e-mail to the first 11 student cohorts who had completed the Cambridge Integrated Clerkship (from 2004 to 2014) and for whom we had e-mail addresses (N = 100), and the free-text responses were coded thematically...
June 23, 2017: Academic Psychiatry
https://www.readbyqxmd.com/read/28646352/lead-enhancement-of-3t3-l1-fibroblasts-differentiation-to-adipocytes-involves-erk-c-ebp%C3%AE-and-ppar%C3%AE-activation
#4
Claudia Noemí Martini, Matías Gabrielli, Graciela Bonifacino, María Magdalena Codesido, María Del Carmen Vila
Lead (Pb) is an environmental and industrial contaminant that still represents a public health problem. Elevated Pb exposure has been inversely correlated with femoral bone density and associated with osteoporosis. In the last years, it has been shown that inhibition of osteogenesis from mesenchymal stem cells activates adipogenesis and vice versa. In this paper, we investigated the effect of Pb on the differentiation of 3T3-L1 fibroblasts to adipocytes which is the cell model most used to study adipogenesis...
June 23, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28646091/stress-specific-p38-map-kinase-activation-is-sufficient-to-drive-egf-receptor-endocytosis-but-not-nuclear-translocation
#5
Alejandra Tomas, Sylwia Jones, Simon O Vaughan, Daniel Hochhauser, Clare E Futter
P38 MAP kinase-dependent EGF receptor (EGFR) endocytosis is induced by stress. Ligand and stresses like X-rays, reportedly promote nuclear traffic of endocytosed EGFR for regulation of gene transcription and DNA repair. We fail to detect EGFR endocytosis or nuclear transport following X-ray treatment of HeLa or head and neck cancer cells, despite extensive DNA damage induction. Apparent nuclear staining with EGFR extracellular domain antibody remained present despite reduced/absent EGFR expression and so did not represent nuclear EGFR...
June 23, 2017: Journal of Cell Science
https://www.readbyqxmd.com/read/28645711/proteome-dynamics-during-post-desiccation-recovery-reveal-convergence-of-desiccation-and-gamma-radiation-stress-response-pathways-in-deinococcus-radiodurans
#6
Aman Kumar Ujaoney, Mahesh Kumar Padwal, Bhakti Basu
Deinococcus radiodurans is inherently resistant to both ionizing radiation and desiccation. Fifteen months of desiccation was found to be the LD50 dose for D. radiodurans. Desiccated cells of D. radiodurans entered 6h of growth arrest during post-desiccation recovery (PDR). Proteome dynamics during PDR were mapped by resolving cellular proteins by 2-dimensional gel electrophoresis coupled with mass spectrometry. At least 41 proteins, represented by 51 spots on proteome profiles, were differentially expressed throughout PDR...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28645238/new-world-arenavirus-biology
#7
Nicolás Sarute, Susan R Ross
Hemorrhagic fevers caused by viruses were identified in the late 1950s in South America. These viruses have existed in their hosts, the New World rodents, for millions of years. Their emergence as infectious agents in humans coincided with changes in the environment and farming practices that caused explosions in their host rodent populations. Zoonosis into humans likely occurs because the pathogenic New World arenaviruses use human transferrin receptor 1 to enter cells. The mortality rate after infection with these viruses is high, but the mechanism by which disease is induced is still not clear...
June 23, 2017: Annual Review of Virology
https://www.readbyqxmd.com/read/28645043/in-vitro-and-in-vivo-behavior-of-dna-tetrahedrons-as-tumor-targeting-nanocarriers-for-doxorubicin-delivery
#8
Ji Hee Kang, Kyoung-Ran Kim, Hyukjin Lee, Dae-Ro Ahn, Young Tag Ko
Deoxyribonucleic acid (DNA) is a versatile material with high applicability and inherent biocompatibility. L-DNA, the perfect mirror form of the naturally occurring D-DNA, has been used in DNA nanotechnology. It has thermodynamically identical properties to D-DNA, is capable of self-assembly and bio-orthogonal base-pairing, and is resistant to nuclease activity. We previously constructed an L-DNA tetrahedron (L-Td) and found that this nanostructure has remarkably higher capacity for cell penetration than its natural counterpart (D-Td)...
June 16, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28644996/neural-correlates-of-psychotic-like-experiences-during-spiritual-trance-state
#9
Alessandra Ghinato Mainieri, Julio Fernando Prieto Peres, Alexander Moreira-Almeida, Klaus Mathiak, Ute Habel, Nils Kohn
Recent studies indicate high levels of psychotic experiences in the general population. Here, we report a functional imaging study with 8 mentally healthy spiritual mediums and 8 matched controls. The mediums entered a mediumistic-trance state using a standardized manner by closing their eyes and actively seeking to ignore external and internal stimuli to achieve a 'state of emptiness'; in a control condition, they were instructed to re-enact the same mediumistic experience that they had during the mediumistic-trance condition but in a non-trance state (imaginative-trance)...
June 15, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28644847/role-of-classic-signs-as-diagnostic-predictors-for-enteric-fever-among-returned-travellers-relative-bradycardia-and-eosinopenia
#10
Takashi Matono, Satoshi Kutsuna, Yasuyuki Kato, Yuichi Katanami, Kei Yamamoto, Nozomi Takeshita, Kayoko Hayakawa, Shuzo Kanagawa, Mitsuo Kaku, Norio Ohmagari
BACKGROUND: The lack of characteristic clinical findings and accurate diagnostic tools has made the diagnosis of enteric fever difficult. We evaluated the classic signs of relative bradycardia and eosinopenia as diagnostic predictors for enteric fever among travellers who had returned from the tropics or subtropics. METHODS: This matched case-control study used data from 2006 to 2015 for culture-proven enteric fever patients as cases. Febrile patients (>38.3°C) with non-enteric fever, who had returned from the tropics or subtropics, were matched to the cases in a 1:3 ratio by age (±3 years), sex, and year of diagnosis as controls...
2017: PloS One
https://www.readbyqxmd.com/read/28644838/characterization-and-utilization-of-an-international-neurofibromatosis-web-based-patient-entered-registry-an-observational-study
#11
Mindell Seidlin, Robert Holzman, Pamela Knight, Bruce Korf, Vanessa Rangel Miller, David Viskochil, Annette Bakker
The neurofibromatoses (neurofibromatosis type 1, neurofibromatosis type 2 and schwannomatosis) are rare disorders having clinical manifestations that vary greatly from patient to patient. The rarity and variability of these disorders has made it challenging for investigators to identify sufficient numbers of patients with particular clinical characteristics or specific germline mutations for participation in interventional studies. Similarly, because the natural history of all types of neurofibromatosis (NF) is variable and unique for each individual, it is difficult to identify meaningful clinical outcome measures for potential therapeutic interventions...
2017: PloS One
https://www.readbyqxmd.com/read/28644728/liposomes-equipped-with-cell-penetrating-peptide-br2-enhances-chemotherapeutic-effects-of-cantharidin-against-hepatocellular-carcinoma
#12
Xue Zhang, Congcong Lin, Aiping Lu, Ge Lin, Huoji Chen, Qiang Liu, Zhijun Yang, Hongqi Zhang
A main hurdle for the success of tumor-specific liposomes is their inability to penetrate tumors efficiently. In this study, we incorporated a cell-penetrating peptide BR2 onto the surface of a liposome loaded with the anticancer drug cantharidin (CTD) to create a system targeting hepatocellular carcinoma (HCC) cells more efficiently and effectively. The in vitro cytotoxicity assay comparing the loaded liposomes' effects on hepatocellular cancer HepG2 and the control Miha cells showed that CTD-loaded liposomes had a stronger anticancer effect after BR2 modification...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28644648/crossing-over-from-attractive-to-repulsive-interactions-in-a-tunneling-bosonic-josephson-junction
#13
G Spagnolli, G Semeghini, L Masi, G Ferioli, A Trenkwalder, S Coop, M Landini, L Pezzè, G Modugno, M Inguscio, A Smerzi, M Fattori
We explore the interplay between tunneling and interatomic interactions in the dynamics of a bosonic Josephson junction. We tune the scattering length of an atomic ^{39}K Bose-Einstein condensate confined in a double-well trap to investigate regimes inaccessible to other superconducting or superfluid systems. In the limit of small-amplitude oscillations, we study the transition from Rabi to plasma oscillations by crossing over from attractive to repulsive interatomic interactions. We observe a critical slowing down in the oscillation frequency by increasing the strength of an attractive interaction up to the point of a quantum phase transition...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644358/early-empiric-antibiotic-use-is-associated-with-delayed-feeding-tolerance-in-preterm-infants-a-retrospective-analysis
#14
Francisco E Martinez, Walusa A G Ferri, Clea R Leone, Maria Fernanda Branco de Almeida, Ruth Guinsburg, Jucille do Amaral Meneses, Marynéa Silva do Vale, Sergio Tadeu Martins Marba, Werther Brunow de Carvalho, Ligia Maria Suppo de Souza Rugolo, José Maria de Andrade Lopes, Manoel A Ribeiro, Renato S Procianoy, José Luiz Muniz Bandeira Duarte, Maria Cândida Ferrarez Bouzada, Daniela Marques de Lima Mota Ferreira, Navantino Alves Filho, Edna Maria de Albuquerque Diniz, Dulce Maria Toledo Zanardi, Daniela Testoni, Cristina Nunes Dos Santos, Maria Rafaela Conde Gomzález, Paulyne Stadler Venzon, Jaques Belik
The causative factors of neonatal feeding intolerance are poorly understood, but potentially related to clinical practices such as empiric antibiotic usage. The objective of this study was to evaluate whether early empiric antibiotic exposure negatively affects preterm infants' enteral feeding tolerance. Data from infants without risk factors for sepsis, 500 to 1499 g birth weight and 24 to 34 weeks gestational age were analyzed. The primary outcomes were the empiric antibiotic exposure effects on the infants' total parenteral nutrition usage duration and prevalence of necrotizing enterocolitis (NEC)...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644348/biomarkers-of-environmental-enteric-dysfunction-among-children-in-rural-bangladesh
#15
Rebecca K Campbell, Kerry J Schulze, Saijuddin Shaikh, Sucheta Mehra, Hasmot Ali, Lee Wu, Rubhana Raqib, Sarah Baker, Alain Labrique, Keith P West, Parul Christian
OBJECTIVES: Environmental enteric dysfunction (EED) may inhibit growth and development in low- and middle-income countries, but available assessment methodologies limit its study. In rural Bangladesh, we measured EED using the widely used lactulose mannitol ratio (L:M) test and a panel of intestinal and systemic health biomarkers to evaluate convergence among biomarkers and describe risk factors for EED. METHODS: In 539 18-month-old children finishing participation in a randomized food supplementation trial, serum, stool, and urine collected after lactulose and mannitol dosing were analyzed for biomarkers of intestinal absorption, inflammation, permeability and repair, and systemic inflammation...
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644342/biomarkers-of-environmental-enteric-dysfunction-the-good-the-bad-and-the-ugly
#16
Lissette Jimenez, Christopher P Duggan
No abstract text is available yet for this article.
July 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28644300/breathlessness-in-the-primary-care-setting
#17
Noel Baxter
PURPOSE OF REVIEW: Breathlessness is a high-volume problem with 10% of adults experiencing the symptom daily placing a heavy burden on the health and wider economy. As it worsens, they enter the specialist and hospital-based symptom services where costs quickly escalate and people may find themselves in a place not of their choosing. For many, their care will be delivered by a disease or organ specialist and can find themselves passing between physicians without coordination for symptom support...
July 20, 2017: Current Opinion in Supportive and Palliative Care
https://www.readbyqxmd.com/read/28644276/an-innovative-syringe-exchange-program
#18
Carol Potera
Nevada's pilot vending machine program encourages users to enter treatment programs.
July 2017: American Journal of Nursing
https://www.readbyqxmd.com/read/28644123/pin-malposition-in-external-fixator-stabilization-of-combat-related-pelvic-fractures
#19
Mark P Coseo, Dustin J Schuett, Kevin M Kuhn, Joseph Bellamy
The purpose of this study was to compare the accuracy of pin placement in patients with unstable pelvic fractures undergoing either iliac crest or supra-acetabular external fixation. A retrospective review was performed of computed tomography (CT) scans and injury characteristics for all patients presenting to a North Atlantic Treaty Organization Medical Treatment Facility with data entered into the Department of Defense Trauma Registry from January 2008 to October 2013 who underwent pelvic external fixation for unstable pelvic ring injuries...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28644114/midostaurin-plus-chemotherapy-for-acute-myeloid-leukemia-with-a-flt3-mutation
#20
Richard M Stone, Sumithra J Mandrekar, Ben L Sanford, Kristina Laumann, Susan Geyer, Clara D Bloomfield, Christian Thiede, Thomas W Prior, Konstanze Döhner, Guido Marcucci, Francesco Lo-Coco, Rebecca B Klisovic, Andrew Wei, Jorge Sierra, Miguel A Sanz, Joseph M Brandwein, Theo de Witte, Dietger Niederwieser, Frederick R Appelbaum, Bruno C Medeiros, Martin S Tallman, Jürgen Krauter, Richard F Schlenk, Arnold Ganser, Hubert Serve, Gerhard Ehninger, Sergio Amadori, Richard A Larson, Hartmut Döhner
Background Patients with acute myeloid leukemia (AML) and a FLT3 mutation have poor outcomes. We conducted a phase 3 trial to determine whether the addition of midostaurin - an oral multitargeted kinase inhibitor that is active in patients with a FLT3 mutation - to standard chemotherapy would prolong overall survival in this population. Methods We screened 3277 patients, 18 to 59 years of age, who had newly diagnosed AML for FLT3 mutations. Patients were randomly assigned to receive standard chemotherapy (induction therapy with daunorubicin and cytarabine and consolidation therapy with high-dose cytarabine) plus either midostaurin or placebo; those who were in remission after consolidation therapy entered a maintenance phase in which they received either midostaurin or placebo...
June 23, 2017: New England Journal of Medicine
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