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https://www.readbyqxmd.com/read/29932241/risk-factors-for-advanced-colorectal-neoplasms-in-the-proximal-colon-in-6-218-subjects-undergoing-complete-colonoscopy
#1
Hoyee W Hirai, Jessica Y L Ching, Justin C Y Wu, Joseph J Y Sung, Francis K L Chan, Siew C Ng
BACKGROUND: Proximal migration of colonic lesion has been observed; however, risk factors of lesions in the proximal colon remain uncertain. This study aimed to investigate risk factors of lesions in the proximal colon. METHODS: Consecutive subjects with complete colonoscopy were included. The primary outcome was risk factors associated with advanced neoplasm (AN) and serrated lesion in the proximal colon. Age, gender, first degree relative (FDR) with colorectal cancer (CRC), smoking, alcohol consumption, body mass index, hypertension, diabetes, ischemic heart disease and the use of aspirin, non-steroidal anti-inflammatory and anticoagulants were fitted into a regression model, with reference to subjects without colonic finding...
June 22, 2018: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29929985/regulator-of-g-protein-signaling-5-restricts-neutrophil-chemotaxis-and-trafficking
#2
Eunice C Chan, Chunguang Ren, Zhihui Xie, Joseph A Jude, Tolga Barker, Cynthia A Koziol-White, Michelle Ma, Reynold A Panettieri, Dianqing Wu, Helene F Rosenberg, Kirk M Druey
Neutrophils are white blood cells that are mobilized to damaged tissues and to sites of pathogen invasion, providing the first line of host defense. Chemokines displayed on the surface of blood vessels promote migration of neutrophils to these sites, and tissue-and pathogen derived chemoattractant signals, including N-formylmethionyl-leucyl-phenylalanine (fMLP) elicit further migration to sites of infection. Although nearly all chemoattractant receptors use heterotrimeric G proteins to transmit signals, many of the mechanisms lying downstream of chemoattractant receptors that either promote or limit neutrophil motility are incompletely defined...
June 21, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29917119/novel-common-genetic-susceptibility-loci-for-colorectal-cancer
#3
Stephanie L Schmit, Christopher K Edlund, Fredrick R Schumacher, Jian Gong, Tabitha A Harrison, Jeroen R Huyghe, Chenxu Qu, Marilena Melas, David J Van Den Berg, Hansong Wang, Stephanie Tring, Sarah J Plummer, Demetrius Albanes, M Henar Alonso, Christopher I Amos, Kristen Anton, Aaron K Aragaki, Volker Arndt, Elizabeth L Barry, Sonja I Berndt, Stéphane Bezieau, Stephanie Bien, Amanda Bloomer, Juergen Boehm, Marie-Christine Boutron-Ruault, Hermann Brenner, Stefanie Brezina, Daniel D Buchanan, Katja Butterbach, Bette J Caan, Peter T Campbell, Christopher S Carlson, Jose E Castelao, Andrew T Chan, Jenny Chang-Claude, Stephen J Chanock, Iona Cheng, Ya-Wen Cheng, Lee Soo Chin, James M Church, Timothy Church, Gerhard A Coetzee, Michelle Cotterchio, Marcia Cruz Correa, Keith R Curtis, David Duggan, Douglas F Easton, Dallas English, Edith J M Feskens, Rocky Fischer, Liesel M FitzGerald, Barbara K Fortini, Lars G Fritsche, Charles S Fuchs, Manuela Gago-Dominguez, Manish Gala, Steven J Gallinger, W James Gauderman, Graham G Giles, Edward L Giovannucci, Stephanie M Gogarten, Clicerio Gonzalez-Villalpando, Elena M Gonzalez-Villalpando, William M Grady, Joel K Greenson, Andrea Gsur, Marc Gunter, Christopher A Haiman, Jochen Hampe, Sophia Harlid, John F Harju, Richard B Hayes, Philipp Hofer, Michael Hoffmeister, John L Hopper, Shu-Chen Huang, Jose Maria Huerta, Thomas J Hudson, David J Hunter, Gregory E Idos, Motoki Iwasaki, Rebecca D Jackson, Eric J Jacobs, Sun Ha Jee, Mark A Jenkins, Wei-Hua Jia, Shuo Jiao, Amit D Joshi, Laurence N Kolonel, Suminori Kono, Charles Kooperberg, Vittorio Krogh, Tilman Kuehn, Sébastien Küry, Andrea LaCroix, Cecelia A Laurie, Flavio Lejbkowicz, Mathieu Lemire, Heinz-Josef Lenz, David Levine, Christopher I Li, Li Li, Wolfgang Lieb, Yi Lin, Noralane M Lindor, Yun-Ru Liu, Fotios Loupakis, Yingchang Lu, Frank Luh, Jing Ma, Christoph Mancao, Frank J Manion, Sanford D Markowitz, Vicente Martin, Koichi Matsuda, Keitaro Matsuo, Kevin J McDonnell, Caroline E McNeil, Roger Milne, Antonio J Molina, Bhramar Mukherjee, Neil Murphy, Polly A Newcomb, Kenneth Offit, Hanane Omichessan, Domenico Palli, Jesus P Paredes Cotoré, Julyann Pérez-Mayoral, Paul D Pharoah, John D Potter, Conghui Qu, Leon Raskin, Gad Rennert, Hedy S Rennert, Bridget M Riggs, Clemens Schafmayer, Robert E Schoen, Thomas A Sellers, Daniela Seminara, Gianluca Severi, Wei Shi, David Shibata, Xiao-Ou Shu, Erin M Siegel, Martha L Slattery, Melissa Southey, Zsofia K Stadler, Mariana C Stern, Sebastian Stintzing, Darin Taverna, Stephen N Thibodeau, Duncan C Thomas, Antonia Trichopoulou, Shoichiro Tsugane, Cornelia M Ulrich, Franzel J B van Duijnhoven, Bethany van Guelpan, Joseph Vijai, Jarmo Virtamo, Stephanie J Weinstein, Emily White, Aung Ko Win, Alicja Wolk, Michael Woods, Anna H Wu, Kana Wu, Yong-Bing Xiang, Yun Yen, Brent W Zanke, Yi-Xin Zeng, Ben Zhang, Niha Zubair, Sun-Seog Kweon, Jane C Figueiredo, Wei Zheng, Loic Le Marchand, Annika Lindblom, Victor Moreno, Ulrike Peters, Graham Casey, Li Hsu, David V Conti, Stephen B Gruber
Background: Previous genome-wide association studies (GWAS) have identified 42 loci (P < 5 × 10-8) associated with risk of colorectal cancer (CRC). Expanded consortium efforts facilitating the discovery of additional susceptibility loci may capture unexplained familial risk. Methods: We conducted a GWAS in European descent CRC cases and control subjects using a discovery-replication design, followed by examination of novel findings in a multiethnic sample (cumulative n = 163 315)...
June 16, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29914921/determining-the-pathogenicity-of-a-genomic-variant-of-uncertain-significance-using-crispr-cas9-and-human-induced-pluripotent-stem-cells
#4
Ning Ma, Joe Zhang, Ilanit Itzhaki, Sophia L Zhang, Haodong Chen, Francois Haddad, Tomoya Kitani, Kitchener D Wilson, Lei Tian, Rajani Shrestha, Haodi Wu, Chi Keung Lam, Nazish Sayed, Joseph C Wu
Background -The progression toward low-cost and rapid next-generation sequencing has uncovered a multitude of variants of uncertain significance (VUS) in both patients and asymptomatic "healthy" individuals. A VUS is a rare or novel variant for which disease pathogenicity has not been conclusively demonstrated or excluded, and thus cannot be definitively annotated. VUS, therefore, pose critical clinical interpretation and risk-assessment challenges, and new methods are urgently needed to better characterize their pathogenicity...
June 18, 2018: Circulation
https://www.readbyqxmd.com/read/29910828/large-magneto-optical-kerr-effect-and-imaging-of-magnetic-octupole-domains-in-an-antiferromagnetic-metal
#5
Tomoya Higo, Huiyuan Man, Daniel B Gopman, Liang Wu, Takashi Koretsune, Olaf M J van 't Erve, Yury P Kabanov, Dylan Rees, Yufan Li, Michi-To Suzuki, Shreyas Patankar, Muhammad Ikhlas, C L Chien, Ryotaro Arita, Robert D Shull, Joseph Orenstein, Satoru Nakatsuji
When a polarized light beam is incident upon the surface of a magnetic material, the reflected light undergoes a polarization rotation1 . This magneto-optical Kerr effect (MOKE) has been intensively studied in a variety of ferro- and ferrimagnetic materials because it provides a powerful probe for electronic and magnetic properties2, 3 as well as for various applications including magneto-optical recording4 . Recently, there has been a surge of interest in antiferromagnets (AFMs) as prospective spintronic materials for high-density and ultrafast memory devices, owing to their vanishingly small stray field and orders of magnitude faster spin dynamics compared to their ferromagnetic counterparts5-9 ...
February 2018: Nature Photonics
https://www.readbyqxmd.com/read/29885330/progress-obstacles-and-limitations-in-the-use-of-stem-cells-in-organ-on-a-chip-models
#6
Alexa Wnorowski, Huaxiao Yang, Joseph C Wu
In recent years, drug development costs have soared, primarily due to the failure of preclinical animal and cell culture models, which do not directly translate to human physiology. Organ-on-a-chip (OOC) is a burgeoning technology with the potential to revolutionize disease modeling, drug discovery, and toxicology research by strengthening the relevance of culture-based models while reducing costly animal studies. Although OOC models can incorporate a variety of tissue sources, the most robust and relevant OOC models going forward will include stem cells...
June 6, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29880546/effects-of-repetitive-transendocardial-cd34-cell-transplantation-in-patients-with-non-ischemic-dilated-cardiomyopathy
#7
Bojan Vrtovec, Gregor Poglajen, Matjaz Sever, Gregor Zemljic, Sabina Frljak, Andraz Cerar, Marko Cukjati, Martina Jaklic, Peter Cernelc, Francois Haddad, Joseph C Wu
<u>Rationale:</u> Preclinical data in heart failure models suggest that repetitive stem cell therapy may be superior to single-dose cell administration. <u>Objective:</u> We investigated whether repetitive administration of CD34+ cells is superior to single dose administration in patients with non-ischemic dilated cardiomyopathy (DCM). <u>Methods and Results:</u> Of 66 patients with DCM, NYHA functional class III, and left ventricular ejection fraction (LVEF)< 40% enrolled in the study, 60 were randomly allocated to repetitive cell therapy (Group A, N=30), or single cell therapy (Group B, N=30)...
June 7, 2018: Circulation Research
https://www.readbyqxmd.com/read/29880489/systemic-upregulation-of-il-10-interleukin-10-using-a-nonimmunogenic-vector-reduces-growth-and-rate-of-dissecting-abdominal-aortic-aneurysm
#8
Matti Adam, Nigel Kooreman, Ann Jagger, Markus U Wagenhaeuser, Dennis Mehrkens, Yongming Wang, Yosuke Kayama, Kensuke Toyama, Uwe Raaz, Isabel N Schellinger, Lars Maegdefessel, Joshua M Spin, Jaap F Hamming, Paul H A Quax, Stephan Baldus, Joseph C Wu, Philip S Tsao
OBJECTIVE: Recruitment of immunologic competent cells to the vessel wall is a crucial step in formation of abdominal aortic aneurysms (AAA). Innate immunity effectors (eg, macrophages), as well as mediators of adaptive immunity (eg, T cells), orchestrate a local vascular inflammatory response. IL-10 (interleukin-10) is an immune-regulatory cytokine with a crucial role in suppression of inflammatory processes. We hypothesized that an increase in systemic IL-10-levels would mitigate AAA progression...
June 7, 2018: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29874173/induced-pluripotent-stem-cells-for-cardiovascular-disease-modeling-and-precision-medicine-a-scientific-statement-from-the-american-heart-association
#9
REVIEW
Kiran Musunuru, Farah Sheikh, Rajat M Gupta, Steven R Houser, Kevin O Maher, David J Milan, Andre Terzic, Joseph C Wu
Induced pluripotent stem cells (iPSCs) offer an unprece-dented opportunity to study human physiology and disease at the cellular level. They also have the potential to be leveraged in the practice of precision medicine, for example, personalized drug testing. This statement comprehensively describes the provenance of iPSC lines, their use for cardiovascular disease modeling, their use for precision medicine, and strategies through which to promote their wider use for biomedical applications. Human iPSCs exhibit properties that render them uniquely qualified as model systems for studying human diseases: they are of human origin, which means they carry human genomes; they are pluripotent, which means that in principle, they can be differentiated into any of the human body's somatic cell types; and they are stem cells, which means they can be expanded from a single cell into millions or even billions of cell progeny...
January 2018: Circulation. Genomic and precision medicine
https://www.readbyqxmd.com/read/29849092/hetero-multivalency-of-pseudomonas-aeruginosa-lectin-leca-binding-to-model-membranes
#10
Nolan C Worstell, Akshi Singla, Panatda Saenkham, Thushara Galbadage, Preeti Sule, Dongheon Lee, Alec Mohr, Joseph Sang-Il Kwon, Jeffrey D Cirillo, Hung-Jen Wu
A single glycan-lectin interaction is often weak and semi-specific. Multiple binding domains in a single lectin can bind with multiple glycan molecules simultaneously, making it difficult for the classic "lock-and-key" model to explain these interactions. We demonstrated that hetero-multivalency, a homo-oligomeric protein simultaneously binding to at least two types of ligands, influences LecA (a Pseudomonas aeruginosa adhesin)-glycolipid recognition. We also observed enhanced binding between P. aeruginosa and mixed glycolipid liposomes...
May 30, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29782405/the-impact-of-anesthesia-influenced-process-measure-compliance-on-length-of-stay-results-from-an-enhanced-recovery-after-surgery-for-colorectal-surgery-cohort
#11
Michael C Grant, Claro M Pio Roda, Joseph K Canner, Philip Sommer, Daniel Galante, Deborah Hobson, Susan Gearhart, Christopher L Wu, Elizabeth Wick
BACKGROUND: Process measure compliance has been associated with improved outcomes in enhanced recovery after surgery (ERAS) programs. Herein, we sought to assess the impact of compliance with measures directly influenced by anesthesiology in an ERAS for colorectal surgery cohort. METHODS: From January 2013 to April 2015, data from 1140 consecutive patients were collected for all patients before (pre-ERAS) and after (ERAS) implementation of an ERAS program. Compliance with 9 specific process measures directly influenced by the anesthesiologist or acute pain service was analyzed to determine the impact on hospital length of stay (LOS)...
May 17, 2018: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/29775085/usage-of-therapeutic-sleep-deprivation-a-survey-in-psychiatric-hospitals-in-austria-germany-and-switzerland
#12
Dietmar Winkler, Marie Spies, Yasmin Al-Resheg, Joseph C Wu, William E Bunney, Blynn G Bunney, Siegfried Kasper, Edda Pjrek
OBJECTIVE: Therapeutic sleep deprivation (SD) is a nonpharmacological treatment that is used most often for depression. The aim of this study was to examine the pattern of use of SD in psychiatric hospitals in Austria, Germany, and Switzerland. METHODS: A questionnaire about perceived usage of SD was sent by mail to all 511 psychiatric hospitals in the three countries. Nonresponders were asked to answer the questionnaire by phone. We achieved a response rate of 75...
May 18, 2018: Behavioral Sleep Medicine
https://www.readbyqxmd.com/read/29731429/electrophysiologic-characterization-of-calcium-handling-in-human-induced-pluripotent-stem-cell-derived-atrial-cardiomyocytes
#13
Mariana Argenziano, Erin Lambers, Liang Hong, Arvind Sridhar, Meihong Zhang, Brandon Chalazan, Ambili Menon, Eleonora Savio-Galimberti, Joseph C Wu, Jalees Rehman, Dawood Darbar
Human induced pluripotent stem cell (hiPSC)-derived atrial cardiomyocytes (CMs) hold great promise for elucidating underlying cellular mechanisms that cause atrial fibrillation (AF). In order to use atrial-like hiPSC-CMs for arrhythmia modeling, it is essential to better understand the molecular and electrophysiological phenotype of these cells. We performed comprehensive molecular, transcriptomic, and electrophysiologic analyses of retinoic acid (RA)-guided hiPSC atrial-like CMs and demonstrate that RA results in differential expression of genes involved in calcium ion homeostasis that directly interact with an RA receptor, chicken ovalbumin upstream promoter-transcription factor 2 (COUP-TFII)...
April 28, 2018: Stem Cell Reports
https://www.readbyqxmd.com/read/29729257/association-between-bacteremia-from-specific-microbes-and-subsequent-diagnosis-of-colorectal-cancer
#14
Thomas N Y Kwong, Xiansong Wang, Geicho Nakatsu, Tai Cheong Chow, Timothy Tipoe, Rudin Z W Dai, Kelvin K K Tsoi, Martin C S Wong, Gary Tse, Matthew T V Chan, Francis K L Chan, Siew C Ng, Justin C Y Wu, William K K Wu, Jun Yu, Joseph J Y Sung, Sunny H Wong
BACKGROUND & AIMS: Colorectal cancer (CRC) development has been associated with increased proportions of Bacteroides fragilis and certain Streptococcus, Fusobacterium, and Peptostreptococcus species in the intestinal microbiota. We investigated associations between bacteremia from specific intestinal microbes and occurrence of CRC. METHODS: We performed a retrospective study, collecting data from13,096 adult patients (exposed group) in Hong Kong hospitalized with bacteremia (identified by blood culture test), without a previous diagnosis of cancer, from January 1, 2006 through December 31, 2015...
May 2, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29723257/pharmacological-characterization-of-potent-and-selective-nav1-7-inhibitors-engineered-from-chilobrachys-jingzhao-tarantula-venom-peptide-jztx-v
#15
Bryan D Moyer, Justin K Murray, Joseph Ligutti, Kristin Andrews, Philippe Favreau, John B Jordan, Josie H Lee, Dong Liu, Jason Long, Kelvin Sham, Licheng Shi, Reto Stöcklin, Bin Wu, Ruoyuan Yin, Violeta Yu, Anruo Zou, Kaustav Biswas, Les P Miranda
Identification of voltage-gated sodium channel NaV1.7 inhibitors for chronic pain therapeutic development is an area of vigorous pursuit. In an effort to identify more potent leads compared to our previously reported GpTx-1 peptide series, electrophysiology screening of fractionated tarantula venom discovered the NaV1.7 inhibitory peptide JzTx-V from the Chinese earth tiger tarantula Chilobrachys jingzhao. The parent peptide displayed nominal selectivity over the skeletal muscle NaV1.4 channel. Attribute-based positional scan analoging identified a key Ile28Glu mutation that improved NaV1...
2018: PloS One
https://www.readbyqxmd.com/read/29721363/prolonged-survival-of-transplanted-stem-cells-after-ischaemic-injury-via-the-slow-release-of-pro-survival-peptides-from-a-collagen-matrix
#16
Andrew S Lee, Mohammed Inayathullah, Maarten A Lijkwan, Xin Zhao, Wenchao Sun, Sujin Park, Wan Xing Hong, Mansi B Parekh, Andrey V Malkovskiy, Edward Lau, Xulei Qin, Venkata Raveendra Pothineni, Verónica Sanchez-Freire, Wendy Y Zhang, Nigel G Kooreman, Antje D Ebert, Charles K F Chan, Patricia K Nguyen, Jayakumar Rajadas, Joseph C Wu
Stem-cell-based therapies hold considerable promise for regenerative medicine. However, acute donor-cell death within several weeks after cell delivery remains a critical hurdle for clinical translation. Co-transplantation of stem cells with pro-survival factors can improve cell engraftment, but this strategy has been hampered by the typically short half-lives of the factors and by the use of Matrigel and other scaffolds that are not chemically defined. Here, we report a collagen-dendrimer biomaterial crosslinked with pro-survival peptide analogues that adheres to the extracellular matrix and slowly releases the peptides, significantly prolonging stem cell survival in mouse models of ischaemic injury...
February 2018: Nature Biomedical Engineering
https://www.readbyqxmd.com/read/29718449/cross-site-reliability-of-human-induced-pluripotent-stem-cell-derived-cardiomyocyte-based-safety-assays-using-microelectrode-arrays-results-from-a-blinded-cipa-pilot-study
#17
Daniel Millard, Qianyu Dang, Hong Shi, Xiaou Zhang, Chris Strock, Udo Kraushaar, Haoyu Zeng, Paul Levesque, Hua-Rong Lu, Jean-Michel Guillon, Joseph C Wu, Yingxin Li, Greg Luerman, Blake Anson, Liang Guo, Mike Clements, Yama A Abassi, James Ross, Jennifer Pierson, Gary Gintant
Recent in vitro cardiac safety studies demonstrate the ability of human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) to detect electrophysiologic effects of drugs. However, variability contributed by unique approaches, procedures, cell lines and reagents across laboratories makes comparisons of results difficult, leading to uncertainty about the role of hiPSC-CMs in defining proarrhythmic risk in drug discovery and regulatory submissions. A blinded pilot study was conducted to evaluate the electrophysiologic effects of eight well-characterized drugs on four cardiomyocyte lines using a standardized protocol across three microelectrode array (MEA) platforms (18 individual studies)...
April 27, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29718351/joseph-c-wu
#18
Mark Nicholls
No abstract text is available yet for this article.
May 1, 2018: European Heart Journal
https://www.readbyqxmd.com/read/29700394/stage-specific-effects-of-bioactive-lipids-on-human-ipsc-cardiac-differentiation-and-cardiomyocyte-proliferation
#19
Arun Sharma, Yuan Zhang, Jan W Buikema, Vahid Serpooshan, Orlando Chirikian, Nina Kosaric, Jared M Churko, Elda Dzilic, Alice Shieh, Paul W Burridge, Joseph C Wu, Sean M Wu
Bioactive lipids such as sphingosine-1-phosphate (S1P) and lysophosphatidic acid (LPA) regulate diverse processes including cell proliferation, differentiation, and migration. However, their roles in cardiac differentiation and cardiomyocyte proliferation have not been explored. Using a 96-well differentiation platform for generating human induced pluripotent stem cell-derived cardiomyocytes (hiPSC-CMs) we found that S1P and LPA can independently enhance cardiomyocyte generation when administered at an early stage of differentiation...
April 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29700063/omics-big-data-and-precision-medicine-in-cardiovascular-sciences
#20
EDITORIAL
Edward Lau, Joseph C Wu
No abstract text is available yet for this article.
April 27, 2018: Circulation Research
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