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https://www.readbyqxmd.com/read/28645043/in-vitro-and-in-vivo-behavior-of-dna-tetrahedrons-as-tumor-targeting-nanocarriers-for-doxorubicin-delivery
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
https://www.readbyqxmd.com/read/28643865/characterization-and-biological-function-of-milk-derived-mirnas
#14
Regina Golan-Gerstl, Yaffa Elbaum Shiff, Vardit Lavi-Moshayoff, Daniel Schecter Dena Leshkowitz, Shimon Reif
SCOPE: Breastfeeding is associated with reduced risk of infection, immune mediated disorders, obesity and even cancer. Recently it was found that breast milk contains a variety of microRNAs (miRNAs) in the skim and fat layer that can be transferred to infants, and appear to play important roles in those biological functions. METHODS AND RESULTS: This study applied Next Generation Sequencing and quantitative real time PCR analysis to determine the miRNA expression profile of the skim and fat fraction of human, goat, and bovine milk as well as infant formulas...
June 23, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28643701/self-anti-reflective-density-modulated-thin-films-by-hips-technique
#15
Filiz Keles, Emad O Badraddin, Tansel Karabacak
A critical factor for an efficient light harvesting device is reduced reflectance in order to achieve high optical absorptance. In this regard, refractive index engineering becomes important to minimize reflectance. In this study, a new fabrication approach to obtain the density-modulated CuInxGa(1-x)Se2 (CIGS) thin films with self-anti-reflective properties has been demonstrated. Density-modulated CIGS samples were fabricated by utilizing high pressure sputtering (HIPS) at Ar gas pressure of 2.75 x 10-2 mbar along with the conventional low pressure sputtering (LPS) at Ar gas pressure of 3...
June 23, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28643424/mdm2-is-implicated-in-high-glucose-induced-podocyte-mitotic-catastrophe-via-notch1-signalling
#16
Hui Tang, Chun-Tao Lei, Chen Ye, Pan Gao, Cheng Wan, Shan Chen, Fang-Fang He, Yu-Mei Wang, Hua Su, Chun Zhang
Podocyte injury and depletion are essential events involved in the pathogenesis of diabetic nephropathy (DN). As a terminally differentiated cell, podocyte is restricted in 'post-mitosis' state and unable to regenerate. Re-entering mitotic phase will cause podocyte disastrous death which is defined as mitotic catastrophe (MC). Murine double minute 2 (MDM2), a cell cycle regulator, is widely expressed in renal resident cells including podocytes. Here, we explore whether MDM2 is involved in podocyte MC during hyperglycaemia...
June 23, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28643204/host-factors-in-coronavirus-replication
#17
Adriaan H de Wilde, Eric J Snijder, Marjolein Kikkert, Martijn J van Hemert
Coronaviruses are pathogens with a serious impact on human and animal health. They mostly cause enteric or respiratory disease, which can be severe and life threatening, e.g., in the case of the zoonotic coronaviruses causing severe acute respiratory syndrome (SARS) and Middle East Respiratory Syndrome (MERS) in humans. Despite the economic and societal impact of such coronavirus infections, and the likelihood of future outbreaks of additional pathogenic coronaviruses, our options to prevent or treat coronavirus infections remain very limited...
June 23, 2017: Current Topics in Microbiology and Immunology
https://www.readbyqxmd.com/read/28643192/on-the-kinetics-of-body-versus-end-evaporation-and-addition-of-supramolecular-polymers
#18
Nitin S Tiwari, Paul van der Schoot
The kinetics of the self-assembly of supramolecular polymers is dictated by how monomers, dimers, trimers etc., attach to and detach from each other. It is for this reasons that researchers have proposed a plethora of pathways to explain the kinetics of various self-assembling supramolecules, including sulfur, linear micelles, living polymers and protein fibrils. Recent observations hint at the importance of a hitherto ignored molecular aggregation pathway that we refer to as "body evaporation and addition"...
June 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/28643180/first-complete-genome-sequences-of-genogroup-v-genotype-3-porcine-sapoviruses-common-5-terminal-genomic-feature-of-sapoviruses
#19
Tomoichiro Oka, Yen Hai Doan, Takashi Shimoike, Kei Haga, Takenori Takizawa
Sapoviruses (SaVs) are enteric viruses and have been detected in various mammals. They are divided into multiple genogroups and genotypes based on the entire major capsid protein (VP1) encoding region sequences. In this study, we determined the first complete genome sequences of two genogroup V, genotype 3 (GV.3) SaV strains detected from swine fecal samples, in combination with Illumina MiSeq sequencing of the libraries prepared from viral RNA and PCR products. The lengths of the viral genome (7494 nucleotides [nt] excluding polyA tail) and short 5'-untranslated region (14 nt) as well as two predicted open reading frames are similar to those of other SaVs...
June 22, 2017: Virus Genes
https://www.readbyqxmd.com/read/28643173/immunotherapy-and-targeted-therapy-for-small-cell-lung-cancer-there-is-hope
#20
REVIEW
Jonathan M Lehman, Mary E Gwin, Pierre P Massion
Small cell lung cancer (SCLC) is a devastating and aggressive neuroendocrine carcinoma of the lung. It accounts for ~15% of lung cancer mortality and has had no improvement in standard treatment options for nearly 30 years. However, there is now hope for change with new therapies and modalities of therapy. Immunotherapies and checkpoint inhibitors are entering clinical practice, selected targeted therapies show promise, and "smart bomb"-based drug/radioconjugates have led to good response in early clinical trials...
July 2017: Current Oncology Reports
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