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https://www.readbyqxmd.com/read/29161783/cancer-treatment-and-management-for-elderly-patients-80-years-of-age-or-older-with-malignant-solid-tumors
#1
Mao Matsubayashi, Fumihiro Oshita, Natsuki Kawata, Takafumi Yanagibashi, Satoshi Tanaka, Yoshiteru Hao, Yuichi Kurakami, Keisuke Iwabuchi, Yohsuke Kunishi, Mitsuyasu Ohta, Yuki Nakamura, Kohichiro Yoshie
We retrospectively analyzed the backgrounds, treatment and nursing care for 96 patients aged 80 years or more with malignant tumors. Twenty of them were hospitalized on an emergency basis. Sixty patients were male and 36 were female, with a median age of 83 years (range: 80-94 years). Twenty-seven had a PS of 3 or 4, and 41 were rated as not independent based on analysis of autonomy at hospitalization. Forty-seven patients had clinical stage III or IV malignancies. The proportions of patients with disease complications were 33...
November 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29161771/tetramethylpyrazine-nitrone-activates-akt-creb-through-increasing-bdnf-expression-to-promote-post-ischemic-neuroregeneration-and-recovery-of-neurological-functions-in-rats
#2
Gaoxiao Zhang, Tao Zhang, Ning Li, Liangmiao Wu, Jianbo Gu, Cuimei Li, Chen Zhao, Wei Liu, Luchen Shan, Pei Yu, Xifei Yang, Yaohui Tang, Guo-Yuan Yang, Yuqiang Wang, Yewei Sun, Zaijun Zhang
BACKGROUND AND PURPOSE: Neuronal regeneration from endogenous precursors is an attractive strategy for the treatment of ischemic stroke; however, most stroke-generated new born neurons die over time. Therefore, a drug that is both neuroprotective and pro-neurogenic may be promising. In this study, we assessed the neurogenic and oligodendrogenic effects of tetramethylpyrazine nitrone (TBN), a neuroprotective drug candidate for stroke, in a rat model of ischemic stroke. EXPERIMENTAL APPROACH: Sprague Dawley (SD) rats were subjected to middle cerebral artery occlusion (MCAO)...
November 21, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29161646/antimicrobial-colloidal-hydrogels-assembled-by-graphene-oxide-and-thermo-sensitive-nanogels-for-cell-encapsulation
#3
Wenhua Cheng, Yunhua Chen, Lijing Teng, Bingheng Lu, Li Ren, Yingjun Wang
Hydrogels are promising 3D materials that have demonstrated increasing applications in the encapsulation and delivery of drugs and cells. Herein we report an injectable colloidal hydrogel that directly assembled by graphene oxide (GO) and thermo-sensitive nanogels (tNG). The pH dependent hydrogen bonding interactions between the carboxyl and oxethyl groups induce the reversible assembly of GO and nanogels. The hydrogel is mouldable and can be shaped into different macroscopic objects, and the mechanical strengths are tunable with pH and temperature adjustment...
November 8, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29161627/nanoscaled-red-blood-cells-facilitate-breast-cancer-treatment-by-combining-photothermal-photodynamic-therapy-and-chemotherapy
#4
Guoyun Wan, Bowei Chen, Ling Li, Dan Wang, Shurui Shi, Tao Zhang, Yue Wang, Lianyun Zhang, Yinsong Wang
Red blood cells (RBCs)-based vesicles have been widely used for drug delivery due to their unique advantages. Intact RBCs contain a large amount of oxyhemoglobin (oxyHb), which can assist with photodynamic therapy (PDT). Indocyanine green (ICG), a photosensitizer both for photothermal therapy (PTT) and PDT, shows potent anticancer efficacy when combined with chemotherapeutic drug doxorubicin (DOX). In this study, we prepared nanoscaled RBCs (RAs) containing oxyHb and gas-generating agent ammonium bicarbonate (ABC) for co-loading and controlled release of ICG and DOX, thus hoping to achieve synergistic effects of PTT/PDT and chemotherapy against breast cancer...
November 14, 2017: Biomaterials
https://www.readbyqxmd.com/read/29161549/ultrasound-guided-versus-conventional-injection-for-caudal-block-in-children-a-prospective-randomized-clinical-study
#5
Ali Ahiskalioglu, Ahmet Murat Yayik, Elif Oral Ahiskalioglu, Mursel Ekinci, Birzat Emre Gölboyu, Erkan Cem Celik, Haci Ahmet Alici, Akgun Oral, Saban Oguz Demirdogen
STUDY OBJECTIVE: The aim of this study was to compare the efficacies of ultrasound guided sacral hiatus injection and conventional sacral canal injection performed for caudal block in children. DESIGN: Randomized controlled clinical trial. SETTING: Operating rooms of university hospital of Erzurum, Turkey. PATIENTS: One hundred-thirty four children, American Society of Anesthesiologists I-II, between the ages of 5 and 12, scheduled for elective phimosis and circumcision surgery...
November 18, 2017: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/29161511/a-customizable-flow-injection-system-for-automated-high-throughput-and-time-sensitive-ion-mobility-spectrometry-and-mass-spectrometry-measurements
#6
Daniel J Orton, Malak M Tfaily, Ronald J Moore, Brian L LaMarche, Xueyun Zheng, Thomas L Fillmore, Rosalie K Chu, Karl K Weitz, Matthew E Monroe, Ryan T Kelly, Richard D Smith, Erin Shammel Baker
To better understand disease conditions and environmental perturbations, multi-omic studies combining proteomic, lipidomic, and metabolomic analyses are vastly increasing in popularity. In a multi-omic study, a single sample is typically extracted in multiple ways and various analyses are performed using different instruments. Thus, one sample becomes many measurements, making high throughput and reproducible evaluations a necessity. One way to address the numerous samples and varying instrumental conditions is to utilize a flow injection analysis (FIA) system for rapid sample injection...
November 21, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29161315/transcriptome-analysis-of-plasmid-induced-genes-sheds-light-on-the-role-of-type-i-ifn-as-adjuvant-in-dna-vaccine-against-infectious-salmon-anemia-virus
#7
Mehrdad Sobhkhez, Aleksej Krasnov, Chia Jung Chang, Børre Robertsen
A previous study showed that a plasmid expressing IFNa (pIFNa) strongly enhanced protection and antibody production of a DNA vaccine against infectious salmon anemia virus (ISAV) in Atlantic salmon. The vaccine consisted of a plasmid (pHE) expressing the virus hemagglutinin-esterase as an antigen. To increase the understanding of the adjuvant effect of pIFNa, we here compared transcriptome responses in salmon muscle at the injection site at week 1 and 2 after injection of pIFNa, pHE, plasmid control (pcDNA3...
2017: PloS One
https://www.readbyqxmd.com/read/29161292/individual-marking-of-soft-bodied-subtidal-invertebrates-in-situ-a-novel-staining-technique-applied-to-the-giant-plumose-anemone-metridium-farcimen-tilesius-1809
#8
Christopher D Wells, Kenneth P Sebens
The ability to recognize individuals and track growth over time is crucial to population dynamics research as well as studies of animal behavior. Invertebrates are particularly difficult to track as they often molt, have regenerative capabilities, or lack hard parts to attach markers. We tested, in laboratory and field studies, a new way of marking sea anemones (order Actiniaria) by injection of three vital stains (i.e., neutral red, methylene blue, and fluorescein). Neutral red and methylene blue did not affect growth or survival, but fluorescein was lethal at high concentrations...
2017: PloS One
https://www.readbyqxmd.com/read/29161255/neurogenic-mediators-contribute-to-local-edema-induced-by-micrurus-lemniscatus-venom
#9
Luciana Lyra Casais-E-Silva, Catarina Teixeira
BACKGROUND/AIMS: Micrurus is one of the four snake genera of medical importance in Brazil. Coral snakes have a broad geographic distribution from the southern United States to Argentina. Micrurine envenomation is characterized by neurotoxic symptoms leading to dyspnea and death. Moreover, various local manifestations, including edema formation, have been described in patients bitten by different species of Micrurus. Thus, we investigated the ability of Micrurus lemniscatus venom (MLV) to induce local edema...
November 21, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29161236/quantitative-investigation-of-the-edge-enhancement-in-in-line-phase-contrast-projections-and-tomosynthesis-provided-by-distributing-microbubbles-on-the-interface-between-two-tissues-a-phantom-study
#10
Di Wu, Molly Donovan Wong, Yuhua Li, Laurie Fajardo, Bin Zheng, Xizeng Wu, Hong Liu
The objective of this study was to quantitatively investigate the ability to distribute microbubbles along the interface between two tissues, in an effort to improve the edge and/or boundary features in phase contrast imaging. The experiments were conducted by employing a custom designed tissue simulating phantom, which also simulated a clinical condition where the ligand-targeted microbubbles are self-aggregated on the endothelium of blood vessels surrounding malignant cells. Four different concentrations of microbubble suspensions were injected into the phantom: 0%, 0...
November 21, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29160899/persistent-sample-circulation-microextraction-combined-with-graphite-furnace-atomic-absorption-spectroscopy-for-trace-determination-of-heavy-metals-in-fish-species-marketed-in-kermanshah-iran-and-human-health-risk-assessment
#11
Yahya Safari, Mostafa Karimaei, Kiomars Sharafi, Hossein Arfaeinia, Masoud Moradi, Nazir Fattahi
BACKGROUND: The persistent sample circulation microextraction (PSCME) joined with the graphite furnace atomic absorption spectrometry (GFAAS) was developed as a high preconcentration technique for the determination of heavy metals in fish species. In this method, a few microliter of organic solvent (40.0 µl carbon tetrachloride) was transferred to the bottom of a conical sample cup. Then a 10.0 ml of aqueous solution transformed to fine droplets while passing through an organic solvent...
November 21, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/29160804/residual-endodontic-filling-material-after-post-space-preparation-a-confocal-microscopic-study
#12
Yu-Yao Teoh, Laurence J Walsh
This laboratory study assessed removability of endodontic alkaline cements and resin sealers using coronal cross-sectional slices of roots with single canals. Materials were labelled with 0.1% (w/w) sodium fluorescein prior to mixing so that confocal microscopy could be used to quantify material remaining on the walls of post spaces, to assess cleanliness. Roots of extracted teeth were prepared using rotary NiTi instruments then obturated using lateral condensation with gutta percha and epoxy resin sealers (AH-Plus™ or Zirmix™), or were filled by injecting mineral trioxide aggregate (MTA) cement (GC Nex™ MTA or MTAmix™) or a hard-setting calcium hydroxide cement (Supercal™)...
November 21, 2017: Materials
https://www.readbyqxmd.com/read/29160779/outcome-of-intravitreal-aflibercept-for-refractory-pigment-epithelial-detachment-with-or-without-subretinal-fluid-and-secondary-to-age-related-macular-degeneration
#13
Kiyoung Kim, Eung Suk Kim, Yonguk Kim, Ji Ho Yang, Seung-Young Yu, Hyung Woo Kwak
PURPOSE: To investigate the outcomes of intravitreal aflibercept in refractory pigment epithelial detachment (PED) with or without subretinal fluid (SRF) in patients with neovascular age-related macular degeneration. METHODS: A prospective, nonrandomized, interventional case series involved 40 patients with persistent vascularized PED previously treated with at least 3 injections of intravitreal bevacizumab or ranibizumab. Intravitreal aflibercept was administered as 3 initial loading doses every 4 weeks, followed by pro re nata retreatment every 8 weeks over 48 weeks...
November 16, 2017: Retina
https://www.readbyqxmd.com/read/29160771/synthesis-of-oxide-free-aluminum-nanoparticles-for-application-to-conductive-film
#14
Yung Jong Lee, Changsoo Lee, Hyuck Mo Lee
Aluminum nanoparticles are considered promising as alternatives to conventional ink materials, replacing silver and copper nanoparticles due to their extremely low cost and low melting temperature. However, a serious obstacle to realizing their use as conductive ink materials is the oxidation of aluminum. In this research, we synthesized the oxide-free aluminum nanoparticles using catalytic decomposition and an oleic acid coating method, and these materials were applied to the conductive ink for the first time...
November 21, 2017: Nanotechnology
https://www.readbyqxmd.com/read/29160747/lipopolysaccharide-mediates-hepatic-stellate-cell-activation-by-regulating-autophagy-and-retinoic-acid-signaling
#15
Ming Chen, Jiaxing Liu, Wenqi Yang, Wenhua Ling
Bacterial translocation and lipopolysaccharide (LPS) leakage occur at a very early stage of liver fibrosis in animal models. We studied the role of LPS in hepatic stellate cell (HSC) activation and the underlying mechanisms in vitro and in vivo. Herein, we demonstrated that LPS treatment led to a dramatic increase in autophagosome formation and autophagic flux in LX-2 cells and HSCs, which was mediated through the AKT-MTOR and AMPK-ULK1 pathway. LPS significantly decreased the lipid content, including the lipid droplet (LD) number and lipid staining area in HSCs; pretreatment with macroautophagy/autophagy inhibitors or silencing ATG5 attenuated this decrease...
November 21, 2017: Autophagy
https://www.readbyqxmd.com/read/29160745/the-unveiling-of-the-warburg-effect-and-the-inscribed-innovative-approach-to-a-radical-non-toxic-anticancer-therapy
#16
Olivia Crociani, Ilaria Marzi, Maria Grazia Cipolleschi, Antonella Mannini, Massimo Contini, Massimo Olivotto
The purpose of this research has been deciphering the Warburg paradox, the biochemical enigma unsolved since 1923. This paradox consists of the aerobic pyruvate conversion to lactate brought about by anaplastic cancer, through the metabolic pathway known as aerobic glycolysis. This pathway implies a heavy energetic waste. We solved the enigma by demonstrating that its specific character, i.e. the forced aerobic lactate exportation, represents a crucial metabolic device to counteract the cytotoxic effect produced by an excess of pyruvate at the connection of glycolysis with the Krebs cycle...
November 21, 2017: Cell Cycle
https://www.readbyqxmd.com/read/29160548/botulinum-toxin-for-treating-unilateral-apraxia-of-eyelid-opening-in-a-patient-with-congenital-myotonia
#17
Estrella Fernández, Marta Latasiewicz, Laura Pelegrin, Manuel Romera, Silvana Schellini, Alicia Galindo-Ferreiro
A 37-year-old female presented with severe apraxia of lid opening (ALO) affecting the right upper lid associated with Becker congenital myotonia (MC). The patient had a history of right upper lid ptosis for 25 years that was exacerbated over the previous month with severe incapacity to open her right eye. No other associated neurological or ophthalmic symptoms were observed. The patient was treated with botulinum toxin (BoNT-A) injection into the pretarsal and lateral canthus region of the orbicularis oculi of the affected eyelid...
September 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/29160436/use-of-injected-heroin-and-risk-of-hepatitis-c-in-three-cities-in-colombia
#18
Dedsy Yajaira Berbesi-Fernández, Angela Maria Segura-Cardona, Liliana Patricia Montoya-Velez, Alexandra Ángel Santamaría
INTRODUCTION: Hepatitis C is one of the most neglected diseases by governments internationally. OBJECTIVE: Identify the prevalence of hepatitis C and associated injection drug users in three cities of factors Colombia. METHODS: Cross-sectional study of 668 injecting drug users recruited through respondent-driven sampling, inquired about demographic characteristics and risk behaviors. Laboratory testing was used on filter paper and cases of hepatitis C viral load tests with RNA were confirmed...
July 2017: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
https://www.readbyqxmd.com/read/29160386/liquid-silicone-injection-in-the-chest-wall-simulating-cysticercosis
#19
Luiz Felipe Nobre, Gláucia Zanetti, Edson Marchiori
No abstract text is available yet for this article.
September 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29160373/the-role-of-histone-deacetylase-inhibitors-in-regulation-of-akt-gsk-3%C3%AE-signaling-pathway-in-mice-following-transient-focal-cerebral-ischemia
#20
Bo Zhao, Lian Liu, Yan Leng, Quan Yuan, Jiabao Hou, Yang Wu, Wenwei Gao
PURPOSE: To investigate whether the neuroprotective effect of TSA on cerebral ischemia reperfusion injury is mediated by the activation of Akt/GSK-3β signaling pathway. METHODS: Mice were randomly divided into four groups (n=15): sham group (S); ischemia reperfusion group (IR); ischemia reperfusion and pretreated with TSA group (IR+T); ischemia reperfusion and pretreated with TSA and LY294002 group (IR+T+L). The model of cerebral ischemia reperfusion was established by 1h of MCAO following 24h of reperfusion...
October 2017: Acta Cirúrgica Brasileira
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