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https://www.readbyqxmd.com/read/28546526/molecular-signature-for-lymphatic-invasion-associated-with-survival-of-epithelial-ovarian-cancer
#1
E Sun Paik, Hyun Jin Choi, Tae-Joong Kim, Jeong-Won Lee, Byoung-Gie Kim, Duk-Soo Bae, Chel Hun Choi
Purpose: We aimed to develop molecular classifier that can predict lymphatic invasion and their clinical significance in epithelial ovarian cancer (EOC) patients. Materials and Methods: We analyzed gene expression (mRNA, methylated DNA) in data from The Cancer Genome Atlas. To identify molecular signatures for lymphatic invasion, we found differentially expressed genes. The performance of classifier was validated by receiver operating characteristics analysis, logistic regression, linear discriminant analysis (LDA), and support vector machine (SVM)...
May 22, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28546214/rna-polymerase-motions-during-promoter-melting
#2
Andrey Feklistov, Brian Bae, Jesse Hauver, Agnieszka Lass-Napiorkowska, Markus Kalesse, Florian Glaus, Karl-Heinz Altmann, Tomasz Heyduk, Robert Landick, Seth A Darst
All cellular RNA polymerases (RNAPs), from those of bacteria to those of man, possess a clamp that can open and close, and it has been assumed that the open RNAP separates promoter DNA strands and then closes to establish a tight grip on the DNA template. Here, we resolve successive motions of the initiating bacterial RNAP by studying real-time signatures of fluorescent reporters placed on RNAP and DNA in the presence of ligands locking the clamp in distinct conformations. We report evidence for an unexpected and obligatory step early in the initiation involving a transient clamp closure as a prerequisite for DNA melting...
May 26, 2017: Science
https://www.readbyqxmd.com/read/28545871/reinforcing-effect-of-glass-fiber-mesh-on-complete-dentures-in-a-test-model-with-a-simulated-oral-mucosa
#3
Sang-Hui Yu, Seunghan Oh, Hye-Won Cho, Ji-Myung Bae
STATEMENT OF PROBLEM: Studies that evaluated the strength of complete dentures reinforced with glass-fiber mesh or metal mesh on a cast with a simulated oral mucosa are lacking. PURPOSE: The purpose of this in vitro study was to compare the mechanical properties of maxillary complete dentures reinforced with glass-fiber mesh with those of metal mesh in a new test model, using a simulated oral mucosa. MATERIAL AND METHODS: Complete dentures reinforced with 2 types of glass-fiber mesh, SES mesh (SES) and glass cloth (GC) and metal mesh (metal) were fabricated...
May 23, 2017: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/28545064/transcriptomic-analysis-of-the-response-of-pseudomonas-fluorescens-to-epigallocatechin-gallate-by-rna-seq
#4
Xiaoxiang Liu, Bimiao Shen, Peng Du, Nan Wang, Jiaxue Wang, Jianrong Li, Aihua Sun
Epigallocatechin gallate (EGCG) is a main constituent of green tea polyphenols that are widely used as food preservatives and are considered to be safe for consumption. However, the underlying antimicrobial mechanism of EGCG and the bacterial response to EGCG are not clearly understood. In the present study, a genome-wide transcriptional analysis of a typical spoilage bacterium, Pseudomonas fluorescens that responded to EGCG was performed using RNA-seq technology. A total of 26,365,414 and 23,287,092 clean reads were generated from P...
2017: PloS One
https://www.readbyqxmd.com/read/28545042/hierarchical-ordering-with-partial-pairwise-hierarchical-relationships-on-the-macaque-brain-data-sets
#5
Woosang Lim, Jungsoo Lee, Yongsub Lim, Doo-Hwan Bae, Haesun Park, Dae-Shik Kim, Kyomin Jung
Hierarchical organizations of information processing in the brain networks have been known to exist and widely studied. To find proper hierarchical structures in the macaque brain, the traditional methods need the entire pairwise hierarchical relationships between cortical areas. In this paper, we present a new method that discovers hierarchical structures of macaque brain networks by using partial information of pairwise hierarchical relationships. Our method uses a graph-based manifold learning to exploit inherent relationship, and computes pseudo distances of hierarchical levels for every pair of cortical areas...
2017: PloS One
https://www.readbyqxmd.com/read/28544098/crystal-structure-of-the-sensor-domain-of-baes-from-serratia-marcescens-fs14
#6
Ya Zhang, Shenshen Qiu, Shanshan Jia, Dongqing Xu, Tingting Ran, Weiwu Wang
The sensor histidine kinases of two-component signal-transduction systems (TCSs) are essential for bacteria to adapt to variable environmental conditions. The two-component regulatory system BaeS/R increases multidrug and metal resistance in Salmonella and Escherichia coli. In this study, we report the X-ray structure of the periplasmic sensor domain of BaeS from Serratia marcescens FS14. The BaeS sensor domain (34-160) adopts a mixed α/β-fold containing a central four-stranded antiparallel β-sheet flanked by a long N-terminal α-helix and additional loops and a short C-terminal α-helix on each side...
May 24, 2017: Proteins
https://www.readbyqxmd.com/read/28540997/a-combination-of-short-and-simple-surfactant-protein-b-and-c-analogues-as-a-new-synthetic-surfactant-in-vitro-and-animal-experiments
#7
Yong Sung Choi, Sung Hoon Chung, Chong Woo Bae
PURPOSE: Pulmonary surfactants for preterm infants contain mostly animal-derived surfactant proteins (SPs), which are essential for lowering surface tension. We prepared artificial pulmonary surfactants using synthetic human SP analogs and performed in vitro and in vivo experiments. MATERIALS AND METHODS: We synthesized peptide analogues that resemble human SP-B (RMLPQLVCRLVLRCSMD) and SP-C (CPVHLKRLLLLLLLLLLLLLLLL). Dipalmitoylphosphatidylcholine (DPPC), phosphatidylglycerol (PG), and palmitic acid (PA) were added and mixed in lyophilized to render powdered surfactant...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28540989/combined-effect-of-initial-and-longitudinal-increases-in-%C3%AE-glutamyltransferase-on-incident-metabolic-syndrome-arirang-study
#8
Dhananjay Yadav, Mi Young Lee, Jang Young Kim, Hoon Ryu, Ji Hye Huh, Keum Seok Bae, Song Vogue Ahn, Choon Hee Chung, Jong Taek Park, Sang Baek Koh
PURPOSE: Although γ-glutamyltransferase (GGT) is well known to be associated with metabolic syndrome (MS), prospective data on baseline and longitudinal changes in GGT levels and incident cases of MS are limited. We aimed to examine prospective associations between changes in GGT levels over time, as well as at baseline, and incident MS in Korean adults. MATERIALS AND METHODS: A total of 2579 Korean adults free of MS were followed up for 2.6 years. Data were collected from 2005-2008 (baseline) and from 2008-2011 (follow-up)...
July 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28539942/impact-of-anxiety-and-depression-on-physical-health-condition-and-disability-in-an-elderly-korean-population
#9
Hee-Ju Kang, Kyung-Yeol Bae, Sung-Wan Kim, Hee-Young Shin, Il-Seon Shin, Jin-Sang Yoon, Jae-Min Kim
OBJECTIVE: This study aimed to investigate the longitudinal effects of anxiety, depression, and their comorbidity on physical disorders and disability in an elderly Korean population. METHODS: In total, 1,204 community-dwelling elders were evaluated at baseline, and of these 909 (75%) were re-assessed two years later. Anxiety and depression were identified at baseline using questions from the community version of the Geriatric Mental State diagnostic schedule (GMS-B3)...
May 2017: Psychiatry Investigation
https://www.readbyqxmd.com/read/28539723/antimicrobial-and-anti-inflammatory-effects-of-ethanol-extract-of-corylopsis-coreana-uyeki-flos
#10
Da-Eon Park, In-Soo Yoon, Jung-Eun Kim, Ji-Hye Seo, Jin-Cheol Yoo, Chun-Sik Bae, Chang-Dai Lee, Dae-Hun Park, Seung-Sik Cho
BACKGROUND: Corylopsis coreana Uyeki (Hamamelidaceae) is a medicinal plant cultivated in Northeast Asia. Previously, we have reported that an ethanol extract of Corylopsis coreana Uyeki flos (ECCF) contains four active compounds with antioxidant activity. OBJECTIVE: The aim of this study was to investigate the antimicrobial spectrum against infectious bacteria and anti-inflammatory effect of ECCF in a mouse model of acute local inflammation. MATERIALS AND METHODS: In vitro antimicrobial susceptibility was evaluated using standard plate assay technique...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28539115/quad-phased-data-mining-modeling-for-dementia-diagnosis
#11
Sunjoo Bang, Sangjoon Son, Hyunwoong Roh, Jihye Lee, Sungyun Bae, Kyungwon Lee, Changhyung Hong, Hyunjung Shin
BACKGROUND: The number of people with dementia is increasing along with people's ageing trend worldwide. Therefore, there are various researches to improve a dementia diagnosis process in the field of computer-aided diagnosis (CAD) technology. The most significant issue is that the evaluation processes by physician which is based on medical information for patients and questionnaire from their guardians are time consuming, subjective and prone to error. This problem can be solved by an overall data mining modeling, which subsidizes an intuitive decision of clinicians...
May 18, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/28539035/the-performance-of-serum-biomarkers-for-predicting-fibrosis-in-patients-with-chronic-viral-hepatitis
#12
Chang Seok Bang, Ha Yan Kang, Gyu Ho Choi, Suk Bae Kim, Wonae Lee, Il Han Song
Background/Aims: The invasiveness of a liver biopsy and its inconsistent results have prompted efforts to develop noninvasive tools to evaluate the severity of chronic hepatitis. This study was intended to assess the performance of serum biomarkers for predicting liver fibrosis in patients with chronic viral hepatitis. Methods: A total of 302 patients with chronic hepatitis B or C, who had undergone liver biopsy, were retrospectively enrolled. We investigated the diagnostic accuracy of several clinical factors for predicting advanced fibrosis (F≥3)...
May 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28539033/the-usefulness-of-argon-plasma-coagulation-compared-with-endoscopic-submucosal-dissection-to-treat-gastric-adenoma
#13
Dong Hyun Lee, Won Ki Bae, Jong Wook Kim, Woo Hyun Paik, Nam Hoon Kim, Kyung Ah Kim, June Sung Lee
Background/Aims: To date, the best therapeutic modality for gastric adenoma, especially low-grade adenoma, has not been established. The aim of this study was to assess the usefulness of argon plasma coagulation (APC) in treating gastric adenoma compared with endoscopic submucosal dissection (ESD). Methods: We included 210 patients with gastric adenoma, who underwent treatment with either APC (97 patients) or ESD (113 patients). The clinical and pathologic characteristics, mean duration of hospital stay, complications, and recurrence rates between the two groups were compared...
May 25, 2017: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/28538146/ligand-mediated-folding-of-the-ompa-periplasmic-domain-from-acinetobacter-baumannii
#14
Ameeq Ul Mushtaq, Jeong Soon Park, Sung-Hun Bae, Hye-Yeon Kim, Kwon Joo Yeo, Eunha Hwang, Ki Yong Lee, Jun-Goo Jee, Hae-Kap Cheong, Young Ho Jeon
The periplasmic domain of OmpA from Acinetobacter baumannii (AbOmpA-PD) binds to diaminopimelate and anchors the outer membrane to the peptidoglycan layer in the cell wall. Although the crystal structure of AbOmpA-PD with its ligands has been reported, the mechanism of ligand-mediated folding of AbOmpA remains elusive. Here, we report that in vitro refolded apo-AbOmpA-PD in the absence of ligand exists as a mixture of two partially folded forms in solution: mostly unfolded (apo-state I) and hololike (apo-state II) states...
May 23, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28538070/one-stage-treatment-for-adult-patients-with-crouzonoid-appearance-by-orthognathic-and-face-contouring-surgery
#15
Byung Jun Kim, Hahn Sol Bae, Yoonho Lee
Crouzon syndrome is a rare genetic disorder with autosomal-dominant inheritance that shows a triad of hallmark characteristics: craniosynostosis, exophthalmos, and midface retrusion. General treatment protocol for patients with Crouzon syndrome has already been established, but there is no standard treatment strategy for adult patients with Crouzonoid appearance. The authors present clinical patients of 1-stage orthognathic and face contouring surgery to achieve functional and aesthetic improvement.One-stage surgery was performed in adult patients with Crouzonoid appearance without a history of facial surgery...
May 19, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28536742/transient-rotation-of-the-right-kidney
#16
Hong Sang Choi, Soo Wan Kim, Eun Hui Bae
No abstract text is available yet for this article.
May 23, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28536603/impact-of-fatty-liver-on-acute-pancreatitis-severity
#17
Seung Bae Yoon, In Seok Lee, Moon Hyung Choi, Kyungjin Lee, Hyoju Ham, Hyun Jin Oh, Se Hwan Park, Chul-Hyun Lim, Myung-Gyu Choi
Aim. Acute pancreatitis is typically a mild disease, but some patients develop severe courses. Fatty liver changes are seen in patients with acute pancreatitis, but its clinical significance has not been well-studied. We aimed to investigate the relationship between fatty liver and the severity of acute pancreatitis. Methods. Unenhanced CT images of patients with acute pancreatitis were retrospectively reviewed by a radiologist, and mean hepatic and splenic attenuation was measured in Hounsfield units (HU)...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28536120/hepatocyte-specific-sirtuin-6-deletion-predisposes-to-nonalcoholic-steatohepatitis-by-up-regulation-of-bach1-an-nrf2-repressor
#18
Sun-O Ka, In Hyuk Bang, Eun Ju Bae, Byung-Hyun Park
Sirtuin (Sirt)6 has been implicated in negative regulation of inflammation and lipid metabolism, although its function in the progression from simple steatosis to nonalcoholic steatohepatitis (NASH) remains to be defined. To explore the role of hepatocyte Sirt6 in NASH development, we generated hepatocyte-specific Sirt6 knockout (KO) mice that were fed a high-fat and high-fructose (HFHF) diet for 16 wk. HFHF-fed KO mice had increased hepatic steatosis and inflammation and aggravated glucose intolerance and insulin resistance compared with wild-type mice...
May 23, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28535972/the-first-report-of-cd2-associated-protein-gene-in-a-teleost-rock-bream-oplegnathus-fasciatus-an-investigation-of-the-immune-response-upon-infection-with-several-pathogens
#19
Dong-Hee Cho, Jin-Sol Bae, Ji-Min Jeong, Hyun-Ja Han, Deok Chan Lee, Mi Young Cho, Sung Hee Jung, Do-Hyung Kim, Chan-Il Park
CD2 is expressed on the surfaces of virtually all T cells and natural killer (NK) cells. In mammals, the CD2 molecule is 50 kDa. The cytoplasmic tail of CD2 interacts with CD2-associated protein (CD2AP), which plays an important role in mediating the trigger signal in outer magnetic pole cells. In this study, we identified CD2AP from rock bream and investigated its gene expression. The ORF of CD2AP (1950 bp) encodes 650 amino acids (aa). CD2AP has a Src homology 3 (SH3) domain. Quantitative real-time PCR analysis revealed that CD2AP shows higher expression in the gills and skin...
May 20, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28535374/discovery-of-stromal-regulatory-networks-that-suppress-ras-sensitized-epithelial-cell-proliferation
#20
Huayang Liu, James A Dowdle, Safiya Khurshid, Nicholas J Sullivan, Nicholas Bertos, Komal Rambani, Markus Mair, Piotr Daniel, Esther Wheeler, Xing Tang, Kyle Toth, Michael Lause, Markus E Harrigan, Karl Eiring, Connor Sullivan, Matthew J Sullivan, Serena W Chang, Siddhant Srivastava, Joseph S Conway, Raleigh Kladney, Joseph McElroy, Sooin Bae, Yuanzhi Lu, Ali Tofigh, Sadiq M I Saleh, Soledad A Fernandez, Jeffrey D Parvin, Vincenzo Coppola, Erin R Macrae, Sarmila Majumder, Charles L Shapiro, Lisa D Yee, Bhuvaneswari Ramaswamy, Michael Hallett, Michael C Ostrowski, Morag Park, Helen M Chamberlin, Gustavo Leone
Mesodermal cells signal to neighboring epithelial cells to modulate their proliferation in both normal and disease states. We adapted a Caenorhabditis elegans organogenesis model to enable a genome-wide mesodermal-specific RNAi screen and discovered 39 factors in mesodermal cells that suppress the proliferation of adjacent Ras pathway-sensitized epithelial cells. These candidates encode components of protein complexes and signaling pathways that converge on the control of chromatin dynamics, cytoplasmic polyadenylation, and translation...
May 22, 2017: Developmental Cell
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