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https://www.readbyqxmd.com/read/28637034/recovery-of-food-intake-after-gastrectomy-for-gastric-cancer-based-on-a-large-scale-gastric-cancer-cohort
#1
Bang Wool Eom, Jeongseon Kim, Deok Hee Kim, Young-Il Kim, Hong Man Yoon, Soo-Jeong Cho, Jong Yeul Lee, Chan Gyoo Kim, Il Ju Choi, Young-Woo Kim, Byung-Ho Nam, Keun Won Ryu
BACKGROUND: This study was aimed at evaluating the food intake and nutritional status of patients who underwent gastrectomy for gastric cancer based on a large-scale gastric cancer cohort. METHODS: An observational prospective cohort study for gastric cancer has been conducted since 2010. From the cohort data, we selected the data for patients who completed at least 2 days of 3-day diet diaries and who underwent subtotal gastrectomy (STG) or total gastrectomy (TG)...
June 22, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28636934/the-tmao-producing-enzyme-flavin-containing-monooxygenase-3-regulates-obesity-and-the-beiging-of-white-adipose-tissue
#2
Rebecca C Schugar, Diana M Shih, Manya Warrier, Robert N Helsley, Amy Burrows, Daniel Ferguson, Amanda L Brown, Anthony D Gromovsky, Markus Heine, Arunachal Chatterjee, Lin Li, Xinmin S Li, Zeneng Wang, Belinda Willard, YongHong Meng, Hanjun Kim, Nam Che, Calvin Pan, Richard G Lee, Rosanne M Crooke, Mark J Graham, Richard E Morton, Carl D Langefeld, Swapan K Das, Lawrence L Rudel, Nizar Zein, Arthur J McCullough, Srinivasan Dasarathy, W H Wilson Tang, Bernadette O Erokwu, Chris A Flask, Markku Laakso, Mete Civelek, Sathyamangla V Naga Prasad, Joerg Heeren, Aldons J Lusis, Stanley L Hazen, J Mark Brown
Emerging evidence suggests that microbes resident in the human intestine represent a key environmental factor contributing to obesity-associated disorders. Here, we demonstrate that the gut microbiota-initiated trimethylamine N-oxide (TMAO)-generating pathway is linked to obesity and energy metabolism. In multiple clinical cohorts, systemic levels of TMAO were observed to strongly associate with type 2 diabetes. In addition, circulating TMAO levels were associated with obesity traits in the different inbred strains represented in the Hybrid Mouse Diversity Panel...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636759/rosacea-and-its-association-with-enteral-microbiota-in-korean-females
#3
Jae-Hui Nam, Yeojun Yun, Han-Saem Kim, Han-Na Kim, Ho Joo Jung, Yoosoo Chang, Seungho Ryu, Hocheol Shin, Hyung-Lae Kim, Won-Serk Kim
BACKGROUND: Rosacea is a chronic inflammatory dermatosis affecting the face and eyes. An association between systemic comorbidities and rosacea has been reported, but the link to enteral microbiota is uncertain. OBJECTIVES: We aimed to investigate the link between rosacea and enteral microbiota. METHODS: A cross-sectional study was performed in a sample of Korean women who participated in a health checkup program at the Kangbuk Samsung Hospital Health Screening Center between 23 June 2014 and 5 September 2014...
June 21, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/28636620/risk-of-ischemic-stroke-after-atrial-fibrillation-diagnosis-a-national-sample-cohort
#4
Mi Kyoung Son, Nam-Kyoo Lim, Hyung Woo Kim, Hyun-Young Park
Atrial fibrillation (AF) is a major risk factor for ischemic stroke and associated with a 5-fold higher risk of stroke. In this retrospective cohort study, the incidence of and risk factors for ischemic stroke in patients with AF were identified. All patients (≥30 years old) without previous stroke who were diagnosed with AF in 2007-2013 were selected from the National Health Insurance Service-National Sample Cohort. To identify factors that influenced ischemic stroke risk, Cox proportional hazard regression analysis was conducted...
2017: PloS One
https://www.readbyqxmd.com/read/28636203/directional-matrix-nanotopography-with-varied-sizes-for-engineering-wound-healing
#5
Jangho Kim, Won-Gyu Bae, Yeon Ju Kim, Hoon Seonwoo, Han-Wool Choung, Kyoung-Je Jang, Sunho Park, Bog Hee Kim, Hong-Nam Kim, Kyoung Soon Choi, Myung-Sun Kim, Pill-Hoon Choung, Yun-Hoon Choung, Jong Hoon Chung
Topographic features play a crucial role in the regulation of physiologically relevant cell and tissue functions. Here, an analysis of feature-size-dependent cell-nanoarchitecture interactions is reported using an array of scaffolds in the form of uniformly spaced ridge/groove structures for engineering wound healing. The ridge and groove widths of nanopatterns are varied from 300 to 800 nm and the nanotopography features are classified into three size ranges: dense (300-400 nm), intermediate (500-600 nm), and sparse (700-800 nm)...
June 21, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28635145/chemical-vapor-deposition-of-bernal-stacked-graphene-on-a-cu-surface-by-breaking-the-carbon-solubility-symmetry-in-cu-foils
#6
Min Seok Yoo, Hyo Chan Lee, Siyoung Lee, Seon Baek Lee, Nam-Suk Lee, Kilwon Cho
The synthesis of Bernal-stacked multilayer graphene over large areas is intensively investigated due to the value of this material's tunable electronic structure, which makes it promising for use in a wide range of optoelectronic applications. Multilayer graphene is typically formed via chemical vapor deposition onto a metal catalyst, such as Ni, a Cu-Ni alloy, or a Cu pocket. These methods, however, require sophisticated control over the process parameters, which limits the process reproducibility and reliability...
June 21, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28634823/a-nationwide-study-of-the-incidence-rate-of-herb-induced-liver-injury-in-korea
#7
Jung-Hyo Cho, Dal-Seok Oh, Sang-Hoon Hong, Heung Ko, Nam-Hun Lee, Sang-Eun Park, Chang-Woo Han, Seung-Mo Kim, Young-Chul Kim, Kang-San Kim, Chang-Won Choi, Seon-My Shin, Ki-Tae Kim, Hong-Sik Choi, Jang-Hoon Lee, Jun-Young Kim, Ji-Young Kang, Dong-Soo Lee, Yo-Chan Ahn, Chang-Gue Son
Discrepant incidence has been reported regarding the incidence of herb-induced liver injury (HILI). To address the growing worldwide concern of HILI, we evaluated the risk of HILI in a nationwide prospective study. Between April 2013 and January 2016, 1001 inpatients (360 males and 641 females) from 10 tertiary hospitals throughout South Korea were treated with herbal drugs and had their liver enzymes periodically measured. A total of six patients met the criteria for HILI with RUCAM scores ranging from 4 to 7...
June 20, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28632487/prospective-randomized-comparison-of-idarubicin-and-high-dose-daunorubicin-in-induction-chemotherapy-for-newly-diagnosed-acute-myeloid-leukemia
#8
Je-Hwan Lee, Hawk Kim, Young-Don Joo, Won-Sik Lee, Sung Hwa Bae, Dae Young Zang, Jihyun Kwon, Min Kyoung Kim, Junglim Lee, Gyeong Won Lee, Jung-Hee Lee, Yunsuk Choi, Dae-Young Kim, Eun-Hye Hur, Sung-Nam Lim, Sang-Min Lee, Hun Mo Ryoo, Hyo Jung Kim, Myung Soo Hyun, Kyoo-Hyung Lee
Purpose We compared two induction regimens, idarubicin (12 mg/m(2)/d for 3 days) versus high-dose daunorubicin (90 mg/m(2)/d for 3 days), in young adults with newly diagnosed acute myeloid leukemia (AML). Patients and Methods A total of 299 patients (149 randomly assigned to cytarabine plus idarubicin [AI] and 150 assigned to cytarabine plus high-dose daunorubicin [AD]) were analyzed. All patients received cytarabine (200 mg/m(2)/d for 7 days). Results Complete remission (CR) was induced in 232 patients (77...
June 20, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28632388/accelerating-dynamics-of-h-on-graphene-by-coadsorbates
#9
Manh-Thuong Nguyen, Phong Nam Pham
There are several factors that affect the dynamics of adsorbed hydrogen atoms on a carbon surface, here, using density-functional calculations we show that coadsorption can be a highly influential factor. The diffusion of hydrogen adsorbed on graphene is explored in the presence of H-containing molecules. Without coadsorbates the diffusion barrier of H on graphene is 0.94 eV while with water/ammonia it is 0.85/0.12 eV. The low barrier in the case of ammonia is attributed to the formation of a stable intermediate state NH$_4$ while such a stable state is not found in the case of water...
June 20, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28632116/reyranella-terrae-sp-nov-isolated-from-an-agricultural-soil-and-emended-description-of-the-genus-reyranella
#10
Hyosun Lee, Dong-Uk Kim, Suyeon Lee, Sooyeon Park, Jung-Hoon Yoon, Chi Nam Seong, Jong-Ok Ka
A novel strain designated 11G32T was isolated from an agricultural soil cultivated with Chinese cabbage in Korea. The cells were Gram-stain-negative, aerobic, non-motile and rod-shaped. The strain grew at 15-28 °C (optimum, 20 °C), pH 5.0-7.0 (optimum, pH 5.0-6.0) and without NaCl. Phylogenetically, the strain was found to be closely related to members of the genus Reyranella and showed 16S rRNA gene sequence similarities of 97.18, 96.76 and 95.99 % with Reyranella graminifolii Wo-34T, Reyranella massiliensis 521T and Reyranella soli KIS14-15T, respectively...
June 20, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28631042/dispersal-towards-food-the-singular-limit-of-an-allen-cahn-equation
#11
Danielle Hilhorst, Yong-Jung Kim, Dohyun Kwon, Thanh Nam Nguyen
The effect of dispersal under heterogeneous environment is studied in terms of the singular limit of an Allen-Cahn equation. Since biological organisms often slow down their dispersal if food is abundant, a food metric diffusion is taken to include such a phenomenon. The migration effect of the problem is approximated by a mean curvature flow after taking the singular limit which now includes an advection term produced by the spatial heterogeneity of food distribution. It is shown that the interface moves towards a local maximum of the food distribution...
June 19, 2017: Journal of Mathematical Biology
https://www.readbyqxmd.com/read/28630783/highly-sensitive-colorimetric-assay-for-determining-fe-3-based-on-gold-nanoparticles-conjugated-with-glycol-chitosan
#12
Kyungmin Kim, Yun-Sik Nam, Yeonhee Lee, Kang-Bong Lee
A highly sensitive and simple colorimetric assay for the detection of Fe(3+) ions was developed using gold nanoparticles (AuNPs) conjugated with glycol chitosan (GC). The Fe(3+) ion coordinates with the oxygen atoms of GC in a hexadentate manner (O-Fe(3+)-O), decreasing the interparticle distance and inducing aggregation. Time-of-flight secondary ion mass spectrometry showed that the bound Fe(3+) was coordinated to the oxygen atoms of the ethylene glycol in GC, which resulted in a significant color change from light red to dark midnight blue due to aggregation...
2017: Journal of Analytical Methods in Chemistry
https://www.readbyqxmd.com/read/28630625/quantification-of-antioxidant-phenolic-compounds-in-a-new-chrysanthemum-cultivar-by-high-performance-liquid-chromatography-with-diode-array-detection-and-electrospray-ionization-mass-spectrometry
#13
Ah-Reum Han, Hyo Young Kim, Yangkang So, Bomi Nam, Ik-Soo Lee, Joo-Won Nam, Yeong Deuk Jo, Sang Hoon Kim, Jin-Baek Kim, Si-Yong Kang, Chang Hyun Jin
The flowers of Chrysanthemum morifolium Ramat. have been used as an herbal tea and in traditional medicine, and the plant has been developed to produce horticultural cultivars of various colors and shapes. In this study, a new chrysanthemum cultivar with dark purple petals (C. morifolium cv. ARTI-Dark Chocolate; ADC) was developed by radiation-induced mutation breeding of its original cultivar with purple striped white petals (C. morifolium cv. Noble Wine, NW). The phenolic profile and antioxidant property of ADC were investigated and compared with NW and the commercially available medicinal herb, C...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28630420/functional-evaluation-of-a-bioartificial-liver-support-system-using-immobilized-hepatocyte-spheroids-in-a-porcine-model-of-acute-liver-failure
#14
Ji-Hyun Lee, Doo-Hoon Lee, Sanghoon Lee, Choon Hyuck David Kwon, Jae-Nam Ryu, Jeong-Kwon Noh, In Keun Jang, Hey-Jung Park, Hee-Hoon Yoon, Jung-Keug Park, Young-Jin Kim, Sung-Koo Kim, Suk-Koo Lee
Bioartificial livers (BAL) may offer acute liver failure (ALF) patients an opportunity for cure without liver transplantation. We evaluated the efficacy of a spheroid-based BAL system, containing aggregates of porcine hepatocytes, in a porcine model of ALF. ALF pigs were divided into three groups. The control group consisted of treatment naïve pigs (n = 5), blank group consisted of pigs that were attached to the BAL system not containing hepatocytes for 12 hours (n = 5) and BAL group consisted of pigs that were attached to the BAL containing hepatocytes for 12 hours (n = 5)...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28629566/pi-rads-version-2-preoperative-role-in-the-detection-of-normal-sized-pelvic-lymph-node-metastasis-in-prostate-cancer
#15
Sung Yoon Park, Su-Jin Shin, Dae Chul Jung, Nam Hoon Cho, Young Deuk Choi, Koon Ho Rha, Sung Joon Hong, Young Taik Oh
OBJECTIVES: To analyze whether Prostate Imaging Reporting and Data System (PI-RADSv2) scores are associated with a risk of normal-sized pelvic lymph node metastasis (PLNM) in prostate cancer (PCa). MATERIALS AND METHODS: A consecutive series of 221 patients who underwent magnetic resonance imaging and radical prostatectomy with pelvic lymph node dissection (PLND) for PCa were retrospectively analyzed under the approval of institutional review board in our institution...
June 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28628742/acceleration-of-semiempirical-qm-mm-methods-through-mpi-hybrid-mpi-openmp-and-scf-accelerator-implementations
#16
Pedro Ojeda-May, Kwangho Nam
The present manuscript describes the strategy and implementation of scalable and efficient semiempirical (SE) QM/MM methods in CHARMM. The serial version of the code was first profiled to identify routines that require parallelization. Afterwards, the code was parallelized and accelerated with three approaches. The first approach was the parallelization of the entire QM/MM routines, including the Fock matrix diagonalization routines, using the CHARMM MPI machinery. In the second approach, two different self-consistent field (SCF) energy convergence accelerators were implemented using density and Fock matrices as targets for their extrapolations in the SCF procedure...
June 19, 2017: Journal of Chemical Theory and Computation
https://www.readbyqxmd.com/read/28628312/a-mononuclear-nonheme-iron-v-imido-complex
#17
Seungwoo Hong, Kyle D Sutherlin, Anil Kumar Vardhaman, James J Yan, Sora Park, Yong-Min Lee, Soojeong Jang, Xiaoyan Lu, Takehiro Ohta, Takashi Ogura, Edward I Solomon, Wonwoo Nam
Mononuclear nonheme iron(V)-oxo complexes have been reported previously. Herein, we report the first example of a mononuclear nonheme iron(V)-imido complex bearing a tetraamido macrocyclic ligand (TAML), [(TAML)Fe(V)(NTs)](-) (1). The spectroscopic characterization of 1 revealed an S = 1/2 Fe(V) oxidation state, an Fe-N bond length of 1.65(4) Å, and an Fe-N vibration at 817 cm(-1). The reactivity of 1 was demonstrated in C-H bond functionalization and nitrene transfer reactions.
June 19, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28627650/the-inhibitory-effects-of-deep-sea-water-on-doxorubicin%C3%A2-induced-epithelial-mesenchymal-transition
#18
So-Young Chun, Soyoung Kim, Kyung-Soo Nam
It has been revealed that the induction of epithelial‑mesenchymal transition (EMT) is associated with drug resistance, leading to tumor recurrence and metastasis. Recent studies have shown that chemotherapeutic agents, besides their therapeutic effects, can induce EMT and enhance invasive and metastatic properties of tumor cells. Previously, we revealed that deep-sea water (DSW) exhibited antimetastatic effects in several human cancer cell lines. In the present study, we investigated the effects of DSW on doxorubicin-induced EMT in MCF-7 human breast cancer cells...
June 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627633/robust-cancer-specific-gene-expression-by-a-novel-cassette-with-htert-and-cmv-promoter-elements
#19
Masakiyo Sakaguchi, Takuya Sadahira, Hideo Ueki, Rie Kinoshita, Hitoshi Murata, Ken-Ichi Yamamoto, Junichiro Futami, Yasutomo Nasu, Kazuhiko Ochiai, Hiromi Kumon, Nam-Ho Huh, Masami Watanabe
We developed and validated a novel hTERT/CMV promoter element-driven gene expression cassette that can robustly enhance cancer-specific gene expression. The following gene expressional elements were located in tandem within the plasmid construct: [hTERT core promoter, cytomegalovirus (CMV) minimized promoter, RU5' sequence, an inserted gene, BGH polyA, hTERT enhancer]; this is hereafter referred to as the hT/Cm-R-hT construct. Using various human cancer cell lines and normal cells, the cancer-specific transcription of the green fluorescent protein (GFP) gene was examined by western blotting and fluorescence microscopy...
June 12, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28627551/gold-loaded-nanoporous-iron-oxide-nanocubes-a-novel-dispersible-capture-agent-for-tumor-associated-autoantibody-analysis-in-serum
#20
Sharda Yadav, Mostafa Kamal Masud, Md Nazmul Islam, Vinod Gopalan, Alfred King-Yin Lam, Shunsuke Tanaka, Nam-Trung Nguyen, Md Shahriar Al Hossain, Cuiling Li, Md Yusuke Yamauchi, Muhammad J A Shiddiky
Autoantibodies are produced against tumor associated antigens (TAAs) long before the appearance of any symptoms and thus can serve as promising, non-invasive biomarkers for early diagnosis of cancer. Current conventional methods for autoantibody detection are highly invasive and mostly provide diagnosis in the later stages of cancer. Herein we report a new electrochemical method for early detection of p53 autoantibodies against colon cancer using a strategy that combines the strength of gold-loaded nanoporous iron oxide nanocube (Au@NPFe2O3NC)-based capture and purification while incorporating the inherent simplicity, inexpensive, and portable nature of the electrochemical and naked-eye colorimetric readouts...
June 19, 2017: Nanoscale
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