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https://www.readbyqxmd.com/read/28722297/assessing-guest-molecule-diffusion-in-heterogeneous-powder-samples-of-metal-organic-frameworks-through-pfg-nmr
#1
Roland Thoma, Jörg Kärger, Nader de Sousa Amadeu, Sandra Nießing, Christoph Janiak
Investigation of guest diffusion in porous metal-organic frameworks (MOFs) is of major importance since many porosity-related properties of MOFs are influenced by diffusion effects. The diffusion of dimethylsulfoxide (DMSO) in the metal-organic framework (MOF) MIL-53-NH2(Al) was investigated through pulsed-field-gradient (PFG) NMR spectroscopy. The microporous material was synthesized in small crystallites (under 500 nm), which agglomerated in a large range of particle sizes, giving a morphologically very heterogeneous sample...
July 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28718758/resignation-syndrome-is-it-a-new-phenomenon-or-is-it-catatonia
#2
Sandra P Thomas
No abstract text is available yet for this article.
July 2017: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/28715532/germline-mutation-status-pathological-complete-response-and-disease-free-survival-in-triple-negative-breast-cancer-secondary-analysis-of-the-geparsixto-randomized-clinical-trial
#3
Eric Hahnen, Bianca Lederer, Jan Hauke, Sibylle Loibl, Sandra Kröber, Andreas Schneeweiss, Carsten Denkert, Peter A Fasching, Jens U Blohmer, Christian Jackisch, Stefan Paepke, Bernd Gerber, Sherko Kümmel, Christian Schem, Guido Neidhardt, Jens Huober, Kerstin Rhiem, Serban Costa, Janine Altmüller, Claus Hanusch, Holger Thiele, Volkmar Müller, Peter Nürnberg, Thomas Karn, Valentina Nekljudova, Michael Untch, Gunter von Minckwitz, Rita K Schmutzler
Importance: The GeparSixto trial provided evidence that the addition of neoadjuvant carboplatin to a regimen consisting of anthracycline, taxane, and bevacizumab increases pathological complete response (pCR) rates in patients with triple-negative breast cancer (TNBC). Whether BRCA1 and BRCA2 germline mutation status affects treatment outcome remains elusive. Objective: To determine whether BRCA1 and BRCA2 germline mutation status affects therapy response in patients with TNBC...
July 13, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28714976/rare-coding-variants-in-plcg2-abi3-and-trem2-implicate-microglial-mediated-innate-immunity-in-alzheimer-s-disease
#4
Rebecca Sims, Sven J van der Lee, Adam C Naj, Céline Bellenguez, Nandini Badarinarayan, Johanna Jakobsdottir, Brian W Kunkle, Anne Boland, Rachel Raybould, Joshua C Bis, Eden R Martin, Benjamin Grenier-Boley, Stefanie Heilmann-Heimbach, Vincent Chouraki, Amanda B Kuzma, Kristel Sleegers, Maria Vronskaya, Agustin Ruiz, Robert R Graham, Robert Olaso, Per Hoffmann, Megan L Grove, Badri N Vardarajan, Mikko Hiltunen, Markus M Nöthen, Charles C White, Kara L Hamilton-Nelson, Jacques Epelbaum, Wolfgang Maier, Seung-Hoan Choi, Gary W Beecham, Cécile Dulary, Stefan Herms, Albert V Smith, Cory C Funk, Céline Derbois, Andreas J Forstner, Shahzad Ahmad, Hongdong Li, Delphine Bacq, Denise Harold, Claudia L Satizabal, Otto Valladares, Alessio Squassina, Rhodri Thomas, Jennifer A Brody, Liming Qu, Pascual Sánchez-Juan, Taniesha Morgan, Frank J Wolters, Yi Zhao, Florentino Sanchez Garcia, Nicola Denning, Myriam Fornage, John Malamon, Maria Candida Deniz Naranjo, Elisa Majounie, Thomas H Mosley, Beth Dombroski, David Wallon, Michelle K Lupton, Josée Dupuis, Patrice Whitehead, Laura Fratiglioni, Christopher Medway, Xueqiu Jian, Shubhabrata Mukherjee, Lina Keller, Kristelle Brown, Honghuang Lin, Laura B Cantwell, Francesco Panza, Bernadette McGuinness, Sonia Moreno-Grau, Jeremy D Burgess, Vincenzo Solfrizzi, Petra Proitsi, Hieab H Adams, Mariet Allen, Davide Seripa, Pau Pastor, L Adrienne Cupples, Nathan D Price, Didier Hannequin, Ana Frank-García, Daniel Levy, Paramita Chakrabarty, Paolo Caffarra, Ina Giegling, Alexa S Beiser, Vilmantas Giedraitis, Harald Hampel, Melissa E Garcia, Xue Wang, Lars Lannfelt, Patrizia Mecocci, Gudny Eiriksdottir, Paul K Crane, Florence Pasquier, Virginia Boccardi, Isabel Henández, Robert C Barber, Martin Scherer, Lluis Tarraga, Perrie M Adams, Markus Leber, Yuning Chen, Marilyn S Albert, Steffi Riedel-Heller, Valur Emilsson, Duane Beekly, Anne Braae, Reinhold Schmidt, Deborah Blacker, Carlo Masullo, Helena Schmidt, Rachelle S Doody, Gianfranco Spalletta, W T Longstreth Jr, Thomas J Fairchild, Paola Bossù, Oscar L Lopez, Matthew P Frosch, Eleonora Sacchinelli, Bernardino Ghetti, Qiong Yang, Ryan M Huebinger, Frank Jessen, Shuo Li, M Ilyas Kamboh, John Morris, Oscar Sotolongo-Grau, Mindy J Katz, Chris Corcoran, Melanie Dunstan, Amy Braddel, Charlene Thomas, Alun Meggy, Rachel Marshall, Amy Gerrish, Jade Chapman, Miquel Aguilar, Sarah Taylor, Matt Hill, Mònica Díez Fairén, Angela Hodges, Bruno Vellas, Hilkka Soininen, Iwona Kloszewska, Makrina Daniilidou, James Uphill, Yogen Patel, Joseph T Hughes, Jenny Lord, James Turton, Annette M Hartmann, Roberta Cecchetti, Chiara Fenoglio, Maria Serpente, Marina Arcaro, Carlo Caltagirone, Maria Donata Orfei, Antonio Ciaramella, Sabrina Pichler, Manuel Mayhaus, Wei Gu, Alberto Lleó, Juan Fortea, Rafael Blesa, Imelda S Barber, Keeley Brookes, Chiara Cupidi, Raffaele Giovanni Maletta, David Carrell, Sandro Sorbi, Susanne Moebus, Maria Urbano, Alberto Pilotto, Johannes Kornhuber, Paolo Bosco, Stephen Todd, David Craig, Janet Johnston, Michael Gill, Brian Lawlor, Aoibhinn Lynch, Nick C Fox, John Hardy, Roger L Albin, Liana G Apostolova, Steven E Arnold, Sanjay Asthana, Craig S Atwood, Clinton T Baldwin, Lisa L Barnes, Sandra Barral, Thomas G Beach, James T Becker, Eileen H Bigio, Thomas D Bird, Bradley F Boeve, James D Bowen, Adam Boxer, James R Burke, Jeffrey M Burns, Joseph D Buxbaum, Nigel J Cairns, Chuanhai Cao, Chris S Carlson, Cynthia M Carlsson, Regina M Carney, Minerva M Carrasquillo, Steven L Carroll, Carolina Ceballos Diaz, Helena C Chui, David G Clark, David H Cribbs, Elizabeth A Crocco, Charles DeCarli, Malcolm Dick, Ranjan Duara, Denis A Evans, Kelley M Faber, Kenneth B Fallon, David W Fardo, Martin R Farlow, Steven Ferris, Tatiana M Foroud, Douglas R Galasko, Marla Gearing, Daniel H Geschwind, John R Gilbert, Neill R Graff-Radford, Robert C Green, John H Growdon, Ronald L Hamilton, Lindy E Harrell, Lawrence S Honig, Matthew J Huentelman, Christine M Hulette, Bradley T Hyman, Gail P Jarvik, Erin Abner, Lee-Way Jin, Gyungah Jun, Anna Karydas, Jeffrey A Kaye, Ronald Kim, Neil W Kowall, Joel H Kramer, Frank M LaFerla, James J Lah, James B Leverenz, Allan I Levey, Ge Li, Andrew P Lieberman, Kathryn L Lunetta, Constantine G Lyketsos, Daniel C Marson, Frank Martiniuk, Deborah C Mash, Eliezer Masliah, Wayne C McCormick, Susan M McCurry, Andrew N McDavid, Ann C McKee, Marsel Mesulam, Bruce L Miller, Carol A Miller, Joshua W Miller, John C Morris, Jill R Murrell, Amanda J Myers, Sid O'Bryant, John M Olichney, Vernon S Pankratz, Joseph E Parisi, Henry L Paulson, William Perry, Elaine Peskind, Aimee Pierce, Wayne W Poon, Huntington Potter, Joseph F Quinn, Ashok Raj, Murray Raskind, Barry Reisberg, Christiane Reitz, John M Ringman, Erik D Roberson, Ekaterina Rogaeva, Howard J Rosen, Roger N Rosenberg, Mark A Sager, Andrew J Saykin, Julie A Schneider, Lon S Schneider, William W Seeley, Amanda G Smith, Joshua A Sonnen, Salvatore Spina, Robert A Stern, Russell H Swerdlow, Rudolph E Tanzi, Tricia A Thornton-Wells, John Q Trojanowski, Juan C Troncoso, Vivianna M Van Deerlin, Linda J Van Eldik, Harry V Vinters, Jean Paul Vonsattel, Sandra Weintraub, Kathleen A Welsh-Bohmer, Kirk C Wilhelmsen, Jennifer Williamson, Thomas S Wingo, Randall L Woltjer, Clinton B Wright, Chang-En Yu, Lei Yu, Fabienne Garzia, Feroze Golamaully, Gislain Septier, Sebastien Engelborghs, Rik Vandenberghe, Peter P De Deyn, Carmen Muñoz Fernadez, Yoland Aladro Benito, Hakan Thonberg, Charlotte Forsell, Lena Lilius, Anne Kinhult-Stählbom, Lena Kilander, RoseMarie Brundin, Letizia Concari, Seppo Helisalmi, Anne Maria Koivisto, Annakaisa Haapasalo, Vincent Dermecourt, Nathalie Fievet, Olivier Hanon, Carole Dufouil, Alexis Brice, Karen Ritchie, Bruno Dubois, Jayanadra J Himali, C Dirk Keene, JoAnn Tschanz, Annette L Fitzpatrick, Walter A Kukull, Maria Norton, Thor Aspelund, Eric B Larson, Ron Munger, Jerome I Rotter, Richard B Lipton, María J Bullido, Albert Hofman, Thomas J Montine, Eliecer Coto, Eric Boerwinkle, Ronald C Petersen, Victoria Alvarez, Fernando Rivadeneira, Eric M Reiman, Maura Gallo, Christopher J O'Donnell, Joan S Reisch, Amalia Cecilia Bruni, Donald R Royall, Martin Dichgans, Mary Sano, Daniela Galimberti, Peter St George-Hyslop, Elio Scarpini, Debby W Tsuang, Michelangelo Mancuso, Ubaldo Bonuccelli, Ashley R Winslow, Antonio Daniele, Chuang-Kuo Wu, Oliver Peters, Benedetta Nacmias, Matthias Riemenschneider, Reinhard Heun, Carol Brayne, David C Rubinsztein, Jose Bras, Rita Guerreiro, Ammar Al-Chalabi, Christopher E Shaw, John Collinge, David Mann, Magda Tsolaki, Jordi Clarimón, Rebecca Sussams, Simon Lovestone, Michael C O'Donovan, Michael J Owen, Timothy W Behrens, Simon Mead, Alison M Goate, Andre G Uitterlinden, Clive Holmes, Carlos Cruchaga, Martin Ingelsson, David A Bennett, John Powell, Todd E Golde, Caroline Graff, Philip L De Jager, Kevin Morgan, Nilufer Ertekin-Taner, Onofre Combarros, Bruce M Psaty, Peter Passmore, Steven G Younkin, Claudine Berr, Vilmundur Gudnason, Dan Rujescu, Dennis W Dickson, Jean-François Dartigues, Anita L DeStefano, Sara Ortega-Cubero, Hakon Hakonarson, Dominique Campion, Merce Boada, John Keoni Kauwe, Lindsay A Farrer, Christine Van Broeckhoven, M Arfan Ikram, Lesley Jones, Jonathan L Haines, Christophe Tzourio, Lenore J Launer, Valentina Escott-Price, Richard Mayeux, Jean-François Deleuze, Najaf Amin, Peter A Holmans, Margaret A Pericak-Vance, Philippe Amouyel, Cornelia M van Duijn, Alfredo Ramirez, Li-San Wang, Jean-Charles Lambert, Sudha Seshadri, Julie Williams, Gerard D Schellenberg
We identified rare coding variants associated with Alzheimer's disease in a three-stage case-control study of 85,133 subjects. In stage 1, we genotyped 34,174 samples using a whole-exome microarray. In stage 2, we tested associated variants (P < 1 × 10(-4)) in 35,962 independent samples using de novo genotyping and imputed genotypes. In stage 3, we used an additional 14,997 samples to test the most significant stage 2 associations (P < 5 × 10(-8)) using imputed genotypes. We observed three new genome-wide significant nonsynonymous variants associated with Alzheimer's disease: a protective variant in PLCG2 (rs72824905: p...
July 17, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28714882/vitamin-d-supplementation-enhances-c18-dihydro-ceramide-levels-in-type-2-diabetes-patients
#5
Alexander Koch, Georgios Grammatikos, Sandra Trautmann, Yannick Schreiber, Dominique Thomas, Franziska Bruns, Josef Pfeilschifter, Klaus Badenhoop, Marissa Penna-Martinez
Sphingolipids are characterized by a broad range of bioactive properties. Particularly, the development of insulin resistance, a major pathophysiological hallmark of Type 2 Diabetes mellitus (T2D), has been linked to ceramide signaling. Since vitamin D supplementation may slow down T2D progression by improving glucose concentrations and insulin sensitivity, we investigated whether vitamin D supplementation impacts on plasma sphingolipid levels in T2D patients. Thus, plasma samples of 59 patients with non-insulin-requiring T2D from a placebo-controlled, randomized, and double-blind study were retrospectively analyzed...
July 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28697123/describing-peripancreatic-collections-according-to-the-revised-atlanta-classification-of-acute-pancreatitis-an-international-interobserver-agreement-study
#6
Stefan A Bouwense, Sandra van Brunschot, Hjalmar C van Santvoort, Marc G Besselink, Thomas L Bollen, Olaf J Bakker, Peter A Banks, Marja A Boermeester, Vincent C Cappendijk, Ross Carter, Richard Charnley, Casper H van Eijck, Patrick C Freeny, John J Hermans, David M Hough, Colin D Johnson, Johan S Laméris, Markus M Lerch, Julia Mayerle, Koenraad J Mortele, Michael G Sarr, Brian Stedman, Santhi Swaroop Vege, Jens Werner, Marcel G Dijkgraaf, Hein G Gooszen, Karen D Horvath
OBJECTIVES: Severe acute pancreatitis is associated with peripancreatic morphologic changes as seen on imaging. Uniform communication regarding these morphologic findings is crucial for accurate diagnosis and treatment. For the original 1992 Atlanta classification, interobserver agreement is poor. We hypothesized that for the revised Atlanta classification, interobserver agreement will be better. METHODS: An international, interobserver agreement study was performed among expert and nonexpert radiologists (n = 14), surgeons (n = 15), and gastroenterologists (n = 8)...
August 2017: Pancreas
https://www.readbyqxmd.com/read/28694257/bmp-signaling-regulates-satellite-cell-dependent-postnatal-muscle-growth
#7
Amalia Stantzou, Elija Schirwis, Sandra Swist, Sonia Alonso-Martin, Ioanna Polydorou, Faouzi Zarrouki, Etienne Mouisel, Cyriaque Beley, Anaïs Julien, Fabien Le Grand, Luis Garcia, Céline Colnot, Carmen Birchmeier, Thomas Braun, Markus Schuelke, Frédéric Relaix, Helge Amthor
Postnatal growth of skeletal muscle largely depends on the expansion and differentiation of resident stem cells, the so-called satellite cells. Here we demonstrate that postnatal satellite cells express components of the Bone Morphogenetic Protein (BMP) signaling machinery. Overexpression of Noggin in postnatal mice, to antagonize BMP ligands, or satellite cell specific knock-out of BMP transmembrane receptor Alk3, or overexpression of inhibitory SMAD6 decreased satellite cell proliferation and accretion during myofiber growth and ultimately retarded muscle growth...
July 10, 2017: Development
https://www.readbyqxmd.com/read/28693924/site-1-protease-and-lysosomal-homeostasis
#8
REVIEW
Renata Voltolini Velho, Raffaella De Pace, Sarah Klünder, Giorgia Di Lorenzo, Michaela Schweizer, Thomas Braulke, Sandra Pohl
The Golgi-resident site-1 protease (S1P) is a key regulator of cholesterol homeostasis and ER stress responses by converting latent transcription factors sterol regulatory element binding proteins (SREPBs) and activating transcription factor 6 (ATF6), as well as viral glycoproteins to their active forms. S1P is also essential for lysosome biogenesis by the proteolytic activation of the hexameric GlcNAc-1-phosphotransferase complex required for modification of newly synthesized lysosomal enzymes with the lysosomal targeting signal, mannose 6-phosphate...
July 7, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28693556/evidence-for-a-comprehensive-approach-to-aboriginal-tobacco-control-to-maintain-the-decline-in-smoking-an-overview-of-reviews-among-indigenous-peoples
#9
Catherine Chamberlain, Susan Perlen, Sue Brennan, Lucie Rychetnik, David Thomas, Raglan Maddox, Noore Alam, Emily Banks, Andrew Wilson, Sandra Eades
BACKGROUND: Tobacco smoking is a leading cause of disease and premature mortality among Aboriginal and Torres Strait Islander (Indigenous) Australians. While the daily smoking prevalence among Indigenous Australians has declined significantly from 49% in 2001, it remains about three times higher than that of non-Indigenous Australians (39 and 14%, respectively, for age ≥15 years in 2014-15). This overview of systematic reviews aimed to synthesise evidence about reducing tobacco consumption among Indigenous peoples using a comprehensive framework for Indigenous tobacco control in Australia comprised of the National Tobacco Strategy (NTS) and National Aboriginal and Torres Strait Islander Health Plan (NATSIHP) principles and priorities...
July 10, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28690612/protection-of-mice-from-acute-graft-versus-host-disease-requires-cd28-co-stimulation-on-donor-cd4-foxp3-regulatory-t-cells
#10
Anna Uri, Sandra Werner, Fred Lühder, Thomas Hünig, Thomas Kerkau, Niklas Beyersdorf
Acute graft-versus-host disease (aGvHD) is a major cause of morbidity and mortality after allogeneic hematopoietic stem cell plus T cell transplantation (allo-HSCT). In this study, we investigated the requirement for CD28 co-stimulation of donor CD4(+) conventional (CD4(+)CD25(-)Foxp3(-), Tconv) and regulatory (CD4(+)CD25(+)Foxp3(+), Treg) T cells in aGvHD using tamoxifen-inducible CD28 knockout (iCD28KO) or wild-type (wt) littermates as donors of CD4(+) Tconv and Treg. In the highly inflammatory C57BL/6 into BALB/c allo-HSCT transplantation model, CD28 depletion on donor CD4(+) Tconv reduced clinical signs of aGvHD, but did not significantly prolong survival of the recipient mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28687971/the-spectrum-of-genetic-variants-in-hereditary-pancreatic-cancer-includes-fanconi-anemia-genes
#11
Thomas P Slavin, Susan L Neuhausen, Bita Nehoray, Mariana Niell-Swiller, Ilana Solomon, Christina Rybak, Kathleen Blazer, Aaron Adamson, Kai Yang, Sharon Sand, Nancy Guerrero-Llamas, Danielle Castillo, Josef Herzog, Xiwei Wu, Shu Tao, Shivali Raja, Vincent Chung, Gagandeep Singh, Sue Nadesan, Sandra Brown, Marcia Cruz-Correa, Gloria M Petersen, Jeffrey Weitzel
Approximately 5-10% of all pancreatic cancer patients carry a predisposing mutation in a known susceptibility gene. Since >90% of patients present with late stage disease, it is crucial to identify high risk individuals who may be amenable to early detection or other prevention. To explore the spectrum of hereditary pancreatic cancer susceptibility, we evaluated germline DNA from pancreatic cancer participants (n = 53) from a large hereditary cancer registry. For those without a known predisposition mutation gene (n = 49), germline next generation sequencing was completed using targeted capture for 706 candidate genes...
July 8, 2017: Familial Cancer
https://www.readbyqxmd.com/read/28686494/antibodies-to-various-zoonotic-pathogens-detected-in-feral-swine-sus-scrofa-at-abattoirs-in-texas-usa
#12
Kerri Pedersen, Nathan E Bauer, Sandra Rodgers, Luis R Bazan, Brian T Mesenbrink, Thomas Gidlewski
The zoonotic risk posed to employees by slaughtering feral swine (Sus scrofa) at two abattoirs in Texas was assessed by testing feral swine serum samples for exposure to influenza A virus, Leptospira, Trichinella spiralis, and Toxoplasma gondii. Blood was collected from a total of 376 feral swine between the two facilities during six separate collection periods in 2015. Antibodies to one or more serovars of Leptospira were identified in 48.9% of feral swine tested, with Bratislava and Pomona as the most commonly detected serovars, and antibodies to influenza A virus were detected in 14...
July 7, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28678105/a-national-longitudinal-survey-of-medical-students-intentions-to-practice-among-the-underserved
#13
Thomas F O'Connell, Sandra A Ham, Theodore G Hart, Farr A Curlin, John D Yoon
PURPOSE: To explore students' intentions to practice in medically underserved areas. METHOD: In January 2011, 960 third-year medical students from 24 MD-granting U.S. medical schools were invited to participate in a survey on their intention to practice in a medically underserved area. A follow-up survey was sent to participants in September 2011. Covariates included student demographics, medical school characteristics, environmental exposures, work experiences, sense of calling, and religious characteristics...
July 3, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28676749/preliminary-evidence-for-training-induced-changes-of-morphology-and-phantom-limb-pain
#14
Sandra Preißler, Désirée Thielemann, Caroline Dietrich, Gunther O Hofmann, Wolfgang H R Miltner, Thomas Weiss
The aim of this study was to investigate whether a special prosthetic training in phantom limb pain patients aimed at increasing the functional use of the prosthesis leads to neural morphological plasticity of brain structures and a reduction in phantom limb pain. For chronic pain disorders, it was shown that morphological alterations due to pain might become at least partially reversed by pain therapies. Phantom limb pain is a chronic pain disorder that is frequently followed by neural plasticity of anatomical brain structures...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28675419/shock-progression-and-survival-after-use-of-a-condom-uterine-balloon-tamponade-package-in-women-with-uncontrolled-postpartum-hemorrhage
#15
Thomas F Burke, Sandra Danso-Bamfo, Moytrayee Guha, Monica Oguttu, Vincent Tarimo, Brett D Nelson
OBJECTIVE: To examine the outcomes of women in advanced shock from uncontrolled postpartum hemorrhage (PPH) who underwent placement of an Every Second Matters for Mothers and Babies Uterine Balloon Tamponade (ESM-UBT) device. METHODS: In a prospective case series, data were collected for women who received an ESM-UBT device at healthcare facilities in Kenya, Senegal, Sierra Leone, and Tanzania between September 1, 2012, and September 30, 2016. Shock class was assigned on the basis of recorded blood pressures and mental status at the time of UBT placement...
July 4, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28663501/plant-diversity-increases-with-the-strength-of-negative-density-dependence-at-the-global-scale
#16
Joseph A LaManna, Scott A Mangan, Alfonso Alonso, Norman A Bourg, Warren Y Brockelman, Sarayudh Bunyavejchewin, Li-Wan Chang, Jyh-Min Chiang, George B Chuyong, Keith Clay, Richard Condit, Susan Cordell, Stuart J Davies, Tucker J Furniss, Christian P Giardina, I A U Nimal Gunatilleke, C V Savitri Gunatilleke, Fangliang He, Robert W Howe, Stephen P Hubbell, Chang-Fu Hsieh, Faith M Inman-Narahari, David Janík, Daniel J Johnson, David Kenfack, Lisa Korte, Kamil Král, Andrew J Larson, James A Lutz, Sean M McMahon, William J McShea, Hervé R Memiaghe, Anuttara Nathalang, Vojtech Novotny, Perry S Ong, David A Orwig, Rebecca Ostertag, Geoffrey G Parker, Richard P Phillips, Lawren Sack, I-Fang Sun, J Sebastián Tello, Duncan W Thomas, Benjamin L Turner, Dilys M Vela Díaz, Tomáš Vrška, George D Weiblen, Amy Wolf, Sandra Yap, Jonathan A Myers
Theory predicts that higher biodiversity in the tropics is maintained by specialized interactions among plants and their natural enemies that result in conspecific negative density dependence (CNDD). By using more than 3000 species and nearly 2.4 million trees across 24 forest plots worldwide, we show that global patterns in tree species diversity reflect not only stronger CNDD at tropical versus temperate latitudes but also a latitudinal shift in the relationship between CNDD and species abundance. CNDD was stronger for rare species at tropical versus temperate latitudes, potentially causing the persistence of greater numbers of rare species in the tropics...
June 30, 2017: Science
https://www.readbyqxmd.com/read/28659437/type-2-immunity-is-protective-in-metabolic-disease-but-exacerbates-nafld-collaboratively-with-tgf-%C3%AE
#17
Kevin M Hart, Thomas Fabre, Joshua C Sciurba, Richard L Gieseck, Lee A Borthwick, Kevin M Vannella, Thomas H Acciani, Rafael de Queiroz Prado, Robert W Thompson, Sandra White, Genevieve Soucy, Marc Bilodeau, Thirumalai R Ramalingam, Joseph R Arron, Naglaa H Shoukry, Thomas A Wynn
Nonalcoholic fatty liver disease (NAFLD) is now the most common progressive liver disease in developed countries and is the second leading indication for liver transplantation due to the extensive fibrosis it causes. NAFLD progression is thought to be tied to chronic low-level type 1 inflammation originating in the adipose tissue during obesity; however, the specific immunological mechanisms regulating the progression of NAFLD-associated fibrosis in the liver are unclear. To investigate the immunopathogenesis of NAFLD more completely, we investigated adipose dysfunction, nonalcoholic steatohepatitis (NASH), and fibrosis in mice that develop polarized type 1 or type 2 immune responses...
June 28, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28659339/structure-of-the-competence-pilus-major-pilin-comgc-in-streptococcus-pneumoniae
#18
Sandra Muschiol, Simon Erlendsson, Marie-Stephanie Aschtgen, Vitor Oliveira, Peter Schmieder, Casper de Lichtenberg, Kaare Teilum, Thomas Boesen, Umit Akbey, Birgitta Henriques-Normark
Type IV pili are important virulence factors on the surface of many pathogenic bacteria and have been implicated in a wide range of diverse functions including attachment, twitching motility, biofilm formation and horizontal gene transfer. The respiratory pathogen Streptococcus pneumoniae deploys type IV pili to take up DNA during transformation. These "competence pili" are composed of the major pilin protein ComGC and exclusively assembled during bacterial competence, but their biogenesis remains unclear. Here, we report the high resolution NMR structure of N-terminal truncated ComGC revealing a highly flexible and structurally divergent type IV pilin...
June 28, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28654419/affimer-proteins-are-versatile-and-renewable-affinity-reagents
#19
Christian Tiede, Robert Bedford, Sophie J Heseltine, Gina Smith, Imeshi Wijetunga, Rebecca Ross, Danah AlQallaf, Ashley Pe Roberts, Alexander Balls, Alistair Curd, Ruth E Hughes, Heather Martin, Sarah R Needham, Laura C Zanetti-Domingues, Yashar Sadigh, Thomas P Peacock, Anna A Tang, Naomi Gibson, Hannah Kyle, Geoffrey W Platt, Nicola Ingram, Thomas Taylor, Louise P Coletta, Iain Manfield, Margaret Knowles, Sandra Bell, Filomena Esteves, Azhar Maqbool, Raj K Prasad, Mark Drinkhill, Robin S Bon, Vikesh Patel, Sarah A Goodchild, Marisa Martin-Fernandez, Ray J Owens, Joanne E Nettleship, Michael E Webb, Michael Harrison, Jonathan D Lippiat, Sreenivasan Ponnambalam, Michelle Peckham, Alastair Smith, Paul Ko Ferrigno, Matt Johnson, Michael J McPherson, Darren Charles Tomlinson
Molecular recognition reagents are key tools for understanding biological processes and are used universally by scientists to study protein expression, localisation and interactions. Antibodies remain the most widely used of such reagents and many show excellent performance, although some are poorly characterised or have stability or batch variability issues, supporting the use of alternative binding proteins as complementary reagents for many applications. Here we report on the use of Affimer proteins as research reagents...
June 27, 2017: ELife
https://www.readbyqxmd.com/read/28654379/multimodal-imaging-of-patients-with-gliomas-confirms-11-c-met-pet-as-a-complementary-marker-to-mri-for-noninvasive-tumor-grading-and-intraindividual-follow-up-after-therapy
#20
Kai R Laukamp, Florian Lindemann, Matthias Weckesser, Volker Hesselmann, Sandra Ligges, Johannes Wölfer, Astrid Jeibmann, Bastian Zinnhardt, Thomas Viel, Michael Schäfers, Werner Paulus, Walter Stummer, Otmar Schober, Andreas H Jacobs
The value of combined L-( methyl-[(11)C]) methionine positron-emitting tomography (MET-PET) and magnetic resonance imaging (MRI) with regard to tumor extent, entity prediction, and therapy effects in clinical routine in patients with suspicion of a brain tumor was investigated. In n = 65 patients with histologically verified brain lesions n = 70 MET-PET and MRI (T1-weighted gadolinium-enhanced [T1w-Gd] and fluid-attenuated inversion recovery or T2-weighted [FLAIR/T2w]) examinations were performed. The computer software "visualization and analysis framework volume rendering engine (Voreen)" was used for analysis of extent and intersection of tumor compartments...
January 1, 2017: Molecular Imaging
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(heart or cardiac or cardio*) AND arrest -"American Heart Association"