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https://www.readbyqxmd.com/read/28346728/nubpl-a-novel-metastasis-related-gene-promotes-colorectal-carcinoma-cell-motility-by-inducing-emt
#1
Yuhui Wang, Nan Wu, Donglin Sun, Haiming Sun, Dandan Tong, Duo Liu, Bo Pang, Su Li, Jia Wei, Jialin Dai, Yang Liu, Jing Bai, Jingshu Geng, Songbin Fu, Yan Jin
NUBPL is an assembly factor for human mitochondrial complex I, which is the biggest member of mitochondrial respiratory chain. However, the relationship between NUBPL and carcinoma progression remains unknown. In this study, NUBPL was characterized for its role in colorectal cancer (CRC) and the underlying molecular mechanisms. Data (n=197) from Oncomine database revealed that mRNA levels of NUBPL were remarkably overexpressed in CRC tissues compared with normal tissues. In addition, immunohistochemical analysis of 75 pairs of CRC and nontumorous tissues demonstrated that expression level of NUBPL was significantly higher in CRC tissues, and its expression level was positively associated with lymph node metastasis (P=0...
March 27, 2017: Cancer Science
https://www.readbyqxmd.com/read/28346697/car-t-cell-therapy-for-pancreatic-cancer
#2
REVIEW
Carl J DeSelm, Zachary E Tano, Anna M Varghese, Prasad S Adusumilli
Chimeric antigen receptor (CAR) T-cell therapy utilizes genetic engineering to redirect a patient's own T cells to target cancer cells. The remarkable results in hematological malignancies prompted investigating this approach in solid tumors such as pancreatic cancer. The complex tumor microenvironment, stromal hindrance in limiting immune response, and expression of checkpoint blockade on T cells pose hurdles. Herein, we summarize the opportunities, challenges, and state of knowledge in targeting pancreatic cancer with CAR T-cell therapy...
March 27, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28346547/a-controllable-water-signal-transistor
#3
Lili Wu, Xiaoyan Zhou, Hangjun Lu, Qing Liang, Jianlong Kou, Fengmin Wu, Jintu Fan
We performed molecular dynamics simulations to study the regulating ability of water chains confined in a Y-shaped nanochannel. It was shown that a signal at the molecular level could be controlled by two other charge-induced signals when the water chains were confined in a Y-shaped nanochannel, demonstrating promising applications as water signal transistors in nanosignal systems. The mechanism of a water signal transistor is similar to a signal logic device. This remarkable ability to control the water signal is attributed to the strong dipole-ordering of the water chains in the nanochannel...
March 27, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28346473/oral-administration-of-bifidobacterium-bifidum-g9-1-alleviates-rotavirus-gastroenteritis-through-regulation-of-intestinal-homeostasis-by-inducing-mucosal-protective-factors
#4
Tomohiro Kawahara, Yutaka Makizaki, Yosuke Oikawa, Yoshiki Tanaka, Ayako Maeda, Masaki Shimakawa, Satoshi Komoto, Kyoko Moriguchi, Hiroshi Ohno, Koki Taniguchi
Human rotavirus (RV) infection is a leading cause of dehydrating diarrhea in infants and young children worldwide. Since therapeutic approaches to RV gastroenteritis are limited to alleviation of dehydration with oral rehydration solutions, more direct approaches to palliate symptoms of RV gastroenteritis are required. Treatments with probiotics have been increasingly recognized as alternative safe and low cost treatments for moderate infectious diarrhea. In this study, Bifidobacterium bifidum G9-1 (BBG9-1), which has been used as an intestinal drug for several decades, was shown to have a remarkable protective effect against RV gastroenteritis in a suckling mice model...
2017: PloS One
https://www.readbyqxmd.com/read/28346455/collective-helicity-switching-of-a-dna-coat-assembly
#5
Yongju Kim, Huichang Li, Ying He, Xi Chen, Xiaoteng Ma, Myongsoo Lee
Hierarchical assemblies of biomolecular subunits can carry out versatile tasks at the cellular level with remarkable spatial and temporal precision. As an example, the collective motion and mutual cooperation between complex protein machines mediate essential functions for life, such as replication, synthesis, degradation, repair and transport. Nucleic acid molecules are far less dynamic than proteins and need to bind to specific proteins to form hierarchical structures. The simplest example of these nucleic acid-based structures is provided by a rod-shaped tobacco mosaic virus, which consists of genetic material surrounded by coat proteins...
March 27, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28346347/biosynthesis-of-%C3%AE-glucosidase-inhibitors-by-a-newly-isolated-bacterium-paenibacillus-sp-tku042-and-its-effect-on-reducing-plasma-glucose-in-a-mouse-model
#6
Van Bon Nguyen, Anh Dzung Nguyen, Yao-Haur Kuo, San-Lang Wang
Paenibacillus sp. TKU042, a bacterium isolated from Taiwanese soil, produced α-glucosidase inhibitors (aGIs) in the culture supernatant when commercial nutrient broth (NB) was used as the medium for fermentation. The supernatant of fermented NB (FNB) showed stronger inhibitory activities than acarbose, a commercial anti-diabetic drug. The IC50 and maximum α-glucosidase inhibitory activities (aGIA) of FNB and acarbose against α-glucosidase were 81 μg/mL, 92% and 1395 μg/mL, 63%, respectively. FNB was found to be strongly thermostable, retaining 95% of its relative activity, even after heating at 100 °C for 30 min...
March 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28346241/hemodynamic-responses-to-magnetic-stimulation-of-carotid-sinus-in-normotensive-rabbits
#7
Jun Zhang, Qinqin Cao, Rongrong Li, Jingze Hu, Jiafei Dai, Hao Zhang, Huaiming Wang, Fang Yang, Ruidong Ye, Xinfeng Liu, Gelin Xu
OBJECTIVES: Carotid baroreflex plays a crucial role in regulating arterial pressure. Based on this knowledge, electrical stimulation of carotid sinus was designed for treating resistant hypertension. However, the clinical implication of electrical stimulation of carotid sinus is largely restrained due to obvious invasiveness. This study aimed to evaluate the efficacy of magnetic stimulation of carotid sinus (MSCS), a noninvasive strategy, for lowering blood pressure in rabbits. METHODS: MSCS with graded intensities and frequencies were systematically attempted in normotensive rabbits...
March 24, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28346080/a-descriptive-quantitative-study-of-7-and-8-year-old-children-s-outdoor-recreation-cold-exposure-and-symptoms-in-winter-in-northern-finland
#8
Hanna Rasi, Heli Kuivila, Tarja Pölkki, Risto Bloigu, Hannu Rintamäki, Marjo Tourula
BACKGROUND: In Finland, children spend a lot of time outdoors in winter. Outdoor recreation in winter has a wide variety of effects on children's well-being. Although children are a subgroup that is vulnerable to cold exposure, remarkably little research has been done on the subject. OBJECTIVE: The aim of this study was to describe children's outdoor recreation, cold exposure and symptoms in winter in Northern Finland. DESIGN: This was a descriptive quantitative study...
2017: International Journal of Circumpolar Health
https://www.readbyqxmd.com/read/28345925/metal-insertion-in-a-methylamine-functionalized-zirconium-metal-organic-framework-for-enhanced-carbon-dioxide-capture
#9
A Paulina Gómora-Figueroa, Jarad A Mason, Miguel I Gonzalez, Eric D Bloch, Katie R Meihaus
The reaction of ZrCl4 with 2',3',5',6'-tetramethylamino-p-terphenyl-4,4″-dicarboxylic acid (H2tpdc-4CH2NH2·3HCl) in the presence of NaF affords Zr6O4(OH)2.1F1.9(tpdc-4CH2NH2·3HCl)6 (1), which is a new member of the Zr6O4(OH)4(dicarboxylate linker)12 or UiO-68 family, and exhibits high porosity with BET and Langmuir surface areas of 1910 m(2)/g and 2220 m(2)/g, respectively. Remarkably, fluoride ion incorporation in the zirconium clusters results in increased thermal stability, marking the first example of enhancement in the stability of a UiO framework by this defect-restoration approach...
March 27, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28345855/surface-modification-of-na3v2-po4-3-by-nitrogen-and-sulfur-dual-doped-carbon-layer-with-advanced-sodium-storage-property
#10
Xinghui Liang, Xing Ou, Fenghua Zheng, Qichang Pan, Xunhui Xiong, Renzong Hu, Chenghao Yang, Meilin Liu
Nitrogen and sulfur dual-doped carbon layer wrapped Na3V2(PO4)3 nanoparticles (NVP@NSC) have been successfully fabricated by a facile solid-state method. In this hierarchical structure, the Na3V2(PO4)3 nanoparticles are well dispersed and closely coated by nitrogen and sulfur dual-doped carbon layer, constructing an effective and interconnected conducting network to reduce the internal resistance. Furthermore, the uniform coating layers alleviate the agglomeration of Na3V2(PO4)3, as well as mitigate the side reaction between electrode and electrolyte...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28345853/single-crystal-like-perovskite-for-high-performance-solar-cells-using-effective-merged-annealing-method
#11
Yanliang Liu, Insoo Shin, In-Wook Hwang, Seungmin Kim, Jihoon Lee, Mi-Sun Yang, Yun Kyung Jung, Jae-Won Jang, Jung Hyun Jeong, Sung Heum Park, Kwang Ho Kim
We report a simple, low cost, and quite effective method for achieving single-crystal-like CH3NH3PbI3 perovskite leading to a significant enhancement in the performance and stability of inverted planar perovskite solar cells (IPSCs). By employing a merged annealing method during the fabrication of an IPSC for preparing the perovskite CH3NH3PbI3 film, we remarkably increase the crystallinity of the CH3NH3PbI3 film and enhance the device performance and stability. An IPSC with the indium tin oxide/poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)/CH3NH3PbI3 (active layer)/ [6,6]-phenyl-C61-butyric acid methyl ester/Al structure was fabricated using the merged annealing method and exhibited significantly enhanced performance with a high power conversion efficiency of 18...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28345758/biodegradable-gelatin-beta-tricalcium-phosphate-sponges-incorporating-recombinant-human-fibroblast-growth-factor-2-for-treatment-of-recession-type-defects-a-split-mouth-study-in-dogs
#12
A Shujaa Addin, T Akizuki, S Hoshi, T Matsuura, T Ikawa, S Fukuba, M Matsui, Y Tabata, Y Izumi
BACKGROUND AND OBJECTIVE: Tissue engineering by using recombinant human (rh) growth factor technology may offer a promising therapeutic approach for treatment of gingival recession. Fibroblast growth factor-2 (FGF-2) has shown the ability to promote periodontal regeneration. Gelatin/beta-tricalcium phosphate (gelatin/β-TCP) sponges have been developed to control the release of growth factors. The present study evaluated the periodontal regenerative efficacy of rhFGF-2 by comparing gelatin/β-TCP sponges incorporated with rhFGF-2 to the scaffolds alone in artificially created recession-type defects in dogs...
March 27, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28345622/comprehensive-track-structure-based-evaluation-of-dna-damage-by-light-ions-from-radiotherapy-relevant-energies-down-to-stopping
#13
W Friedland, E Schmitt, P Kundrát, M Dingfelder, G Baiocco, S Barbieri, A Ottolenghi
Track structures and resulting DNA damage in human cells have been simulated for hydrogen, helium, carbon, nitrogen, oxygen and neon ions with 0.25-256 MeV/u energy. The needed ion interaction cross sections have been scaled from those of hydrogen; Barkas scaling formula has been refined, extending its applicability down to about 10 keV/u, and validated against established stopping power data. Linear energy transfer (LET) has been scored from energy deposits in a cell nucleus; for very low-energy ions, it has been defined locally within thin slabs...
March 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28345465/demethoxycurcumin-inhibited-human-epithelia-ovarian-cancer-cells-growth-via-up-regulating-mir-551a
#14
Zhenhua Du, Xianqun Sha
Curcumin is a natural agent that has ability to dampen tumor cells' growth. However, the natural form of curcumin is prone to degrade and unstable in vitro. Here, we demonstrated that demethoxycurcumin (a curcumin-related demethoxy compound) could inhibit cell proliferation and induce apoptosis of ovarian cancer cells. Moreover, IRS2/PI3K/Akt axis was inactivated in cells treated with demethoxycurcumin. Quantitative real-time reverse transcription polymerase chain reaction demonstrated that miR-551a was down-regulated in ovarian cancer tissues and ovarian cancer cell lines...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345460/coactivator-associated-arginine-methyltransferase-1-promotes-cell-growth-and-is-targeted-by-microrna-195-5p-in-human-colorectal-cancer
#15
Meifeng Zhang, Wei Wu, Ming Gao, Jie Zhang, Xinde Ding, Ronghua Zhu, Haiqun Chen, Zhewei Fei
The pathogenesis of colorectal cancer remains poorly understood. Here, we show that coactivator-associated arginine methyltransferase 1 is frequently upregulated in colorectal cancer tissues and promotes cell growth in vitro and in vivo. Using bioinformatics-based prediction and luciferase reporter system, we found that coactivator-associated arginine methyltransferase 1 is post-transcriptionally targeted by microRNA-195-5p in colorectal cancer. Ectopic expression of microRNA-195-5p led to the suppression of the coactivator-associated arginine methyltransferase 1 3'-untranslated regions activity and downregulation of the endogenous coactivator-associated arginine methyltransferase 1 protein in colorectal cancer cells...
March 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28345350/boron-enhanced-growth-of-micron-length-carbon-based-nanowalls-a-route-towards-high-rates-electrochemical-biosensing
#16
Katarzyna Siuzdak, Mateusz Ficek, Michal Sobaszek, Jacek Ryl, Marcin Gnyba, Paweł Niedziałkowski, Natalia Malinowska, Jakub Karczewski, Robert Bogdanowicz
In this study we have demonstrated the fabrication of novel material called boron-doped carbon nanowalls (B:CNW) which is characterized by remarkable electrochemical properties like high standard rate constant k°, low peak to peak separation value (ΔE) for oxidation and reduction processes of [Fe(CN)6]3-/4- redox system and low surface resistivity. The B:CNW samples were deposited by the microwave plasma assisted chemical vapor deposition (CVD) using a gas mixture of H2:CH4:B2H6 and N2. Growth results in sharp edge, flat and long carbon nanowalls rich in sp2 as well as sp3 hybridized phases...
March 27, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28345296/boosting-the-energy-density-of-carbon-based-aqueous-supercapacitors-by-optimizing-the-surface-charge
#17
Minghao Yu, Dun Lin, Haobin Feng, Yinxiang Zeng, Yexiang Tong, Xihong Lu
The voltage of carbon-based aqueous supercapacitors is limited by the water splitting reaction occurring in one electrode, generally resulting in the promising but unused potential range of the other electrode. Exploiting this unused potential range provides the possibility for further boosting their energy density. An efficient surface charge control strategy was developed to remarkably enhance the energy density of multiscale porous carbon (MSPC) based aqueous symmetric supercapacitors (SSCs) by controllably tuning the operating potential range of MSPC electrodes...
March 27, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28345149/t-vaginalis-exosome-like-vesicles-modify-the-cytokine-profile-and-reduce-inflammation-in-parasite-infected-mice
#18
Luis Mario Olmos-Ortiz, Marco Barajas-Mendiola, Miriam Barrios-Rodiles, Laura E Castellano, Sergio Arias-Negrete, Eva E Avila, Patricia Cuéllar-Mata
Trichomonas vaginalis (Tv) is a flagellated parasite commonly spread through sexual transmission. This protozoan initiates a severe inflammatory process, inducing nitric oxide, interleukin-6 (IL-6), IL-8, IL-10, IL-17, and IL-22 production by host immune cells. The parasites elicit these responses by releasing surface lipophosphoglycan, small extracellular vesicles (exosomes) and other factors. Tv exosomes are similar to mammalian exosomes and have been implicated in the modulation of IL-8 secretion by epithelial cells...
March 27, 2017: Parasite Immunology
https://www.readbyqxmd.com/read/28345095/a-simple-functional-carbon-nanotube-fiber-for-in-vivo-monitoring-of-no-in-a-rat-brain-following-cerebral-ischemia
#19
Li Liu, Limin Zhang, Zhihui Dai, Yang Tian
Nitric oxide (NO) is key free-radical messenger and neuronal signal which is closely related to many brain diseases. It is a challenge to develop a sensitive and reliable biosensor for in vivo monitoring of NO in the brain. In this research, a simple ratiometric electrochemical biosensor for NO monitoring in rat brain following cerebral ischemia was developed using a carbon nanotube fiber (CNF) modified with hemin, in which the CNF not only served as a platform to assemble the hemin molecule, but greatly facilitated the electron transfer of hemin on to the electrode surface...
March 27, 2017: Analyst
https://www.readbyqxmd.com/read/28345023/enhancement-of-psma-directed-car-adoptive-immunotherapy-by-pd-1-pd-l1-blockade
#20
Inna Serganova, Ekaterina Moroz, Ivan Cohen, Maxim Moroz, Mayuresh Mane, Juan Zurita, Larissa Shenker, Vladimir Ponomarev, Ronald Blasberg
Chimeric antigen receptor (CAR) T cell therapy in hematologic malignancies has shown remarkable responses, but the same level of success has not been observed in solid tumors. A new prostate cancer model (Myc-CaP:PSMA(+)) and a second-generation anti-hPSMA human CAR T cells expressing a Click Beetle Red luciferase reporter) were used to study hPSMA targeting and assess CAR T cell trafficking and persistence by bioluminescence imaging (BLI). We investigated the antitumor efficacy of human CAR T cells targeting human prostate-specific membrane antigen (hPSMA), in the presence and absence of the target antigen; first alone and then combined with a monoclonal antibody targeting the human programmed death receptor 1 (anti-hPD1 mAb)...
March 17, 2017: Molecular Therapy Oncolytics
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