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Physical and toxicological profiles of human IAPP amyloids and plaques

Science Bulletin 2019年第1期64卷 26-35页

作者： Aleksandr Kakinen Yunxiang Sun Ibrahim Javed Ava Faridi Emily H.Pilkington Pouya Faridi Anthony W.Purcell Ruhong Zhou Feng Ding Sijie Lin Pu Chun Ke Thomas P.Davis ARC Centre of Excellence in Convergent Bio-Nano Science and Technology Monash Institute of Pharmaceutical Sciences Monash University Department of Physics and Astronomy Clemson University College of Environmental Science and Engineering Shanghai Institute of Pollution Control and Ecological Security Biomedical Multidisciplinary Innovation Research Institute Shanghai East Hospital Tongji University Infection and Immunity Program & Department of Biochemistry and Molecular Biology Biomedicine Discovery Institute Monash University IBM Thomas J.Watson Research Center Department of Chemistry Columbia University

Although much has been learned about the fibrillization kinetics, structure and toxicity of amyloid proteins, the properties of amyloid fibrils beyond the saturation phase are often perceived as chemically and biologically inert, despite evidence suggesting otherwise. To fill this knowledge gap, we examined the physical and biological characteristics of human islet amyloid polypeptide(IAPP) fibrils that were aged up to two months. Not only did aging decrease the toxicity of IAPP fibrils, but the fibrils also sequestered fresh IAPP and suppressed their toxicity in an embryonic zebrafish model. The mechanical properties of IAPP fibrils in different aging stages were probed by atomic force microscopy and sonication, which displayed comparable stiffness but age-dependent fragmentation, followed by self-assembly of such fragments into the largest lamellar amyloid structures reported to date. The dynamic structural and toxicity profiles of amyloid fibrils and plaques suggest that they play active, long-term roles in cell degeneration and may be a therapeutic target for amyloid diseases.

关键词： IAPP Amyloid Plaque Self assembly Toxicity

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TDP-43 loss and ALS-risk SNPs drive mis-splicing and depletion of UNC13A (vol 603, pg 131, 2022)

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NATURE 2024年第8020期631卷 E7-E7页

作者： Brown, Anna-Leigh Wilkins, Oscar G. Keuss, Matthew J. Hill, Sarah E. Zanovello, Matteo Lee, Weaverly Colleen Bampton, Alexander Lee, Flora C. Y. Masino, Laura Qi, Yue A. Bryce-Smith, Sam Gatt, Ariana Hallegger, Martina Fagegaltier, Delphine Phatnani, Hemali Phatnani, Hemali Newcombe, Jia Gustavsson, Emil K. Seddighi, Sahba Reyes, Joel F. Coon, Steven L. Ramos, Daniel Schiavo, Giampietro Fisher, Elizabeth M. C. Raj, Towfique Secrier, Maria Lashley, Tammaryn Ule, Jernej Buratti, Emanuele Humphrey, Jack Ward, Michael E. Fratta, Pietro UCL Queen Square Motor Neuron Disease Centre Department of Neuromuscular Diseases UCL Queen Square Institute of Neurology UCL London UK The Francis Crick Institute London UK UK Dementia Research Institute University College London London UK Department of Molecular Biology and Nanobiotechnology National Institute of Chemistry Ljubljana Slovenia National Institute of Neurological Disorders and Stroke NIH Bethesda MD USA Medical Scientist Training Program Johns Hopkins University School of Medicine Baltimore MD USA Center for Alzheimer’s and Related Dementias National Institutes of Health Bethesda MD USA Queen Square Brain Bank UCL Queen Square Institute of Neurology University College London London UK Department of Neurodegenerative Disease UCL Queen Square Institute of Neurology University College London London UK Great Ormond Street Institute of Child Health Genetics and Genomic Medicine University College London London UK Center for Genomics of Neurodegenerative Disease New York Genome Center (NYGC) New York NY USA NeuroResource Department of Neuroinflammation UCL Queen Square Institute of Neurology London UK Molecular Genomics Core Eunice Kennedy Shriver National Institute of Child Health and Human Development NIH Bethesda MD USA Nash Family Department of Neuroscience and Friedman Brain Institute Icahn School of Medicine at Mount Sinai New York NY USA Ronald M. Loeb Center for Alzheimer’s Disease Icahn School of Medicine at Mount Sinai New York NY USA Department of Pathology Fishberg Department of Neuroscience Icahn School of Medicine at Mount Sinai New York NY USA Department of Genetics and Genomic Sciences and Icahn Institute for Data Science and Genomic Technology Icahn School of Medicine at Mount Sinai New York NY USA Estelle and Daniel Maggin Department of Neurology Icahn School of Medicine at Mount Sinai New York NY USA Department of Genetics Evolution and Environment UCL Genetics Institute University College London London UK Mole

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Author Correction: Brain clocks capture diversity and disparities in aging and dementia across geographically diverse populations

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Nature medicine 2024年第12期30卷 3779页

作者： Sebastian Moguilner Sandra Baez Hernan Hernandez Joaquín Migeot Agustina Legaz Raul Gonzalez-Gomez Francesca R Farina Pavel Prado Jhosmary Cuadros Enzo Tagliazucchi Florencia Altschuler Marcelo Adrián Maito María E Godoy Josephine Cruzat Pedro A Valdes-Sosa Francisco Lopera John Fredy Ochoa-Gómez Alfredis Gonzalez Hernandez Jasmin Bonilla-Santos Rodrigo A Gonzalez-Montealegre Renato Anghinah Luís E d'Almeida Manfrinati Sol Fittipaldi Vicente Medel Daniela Olivares Görsev G Yener Javier Escudero Claudio Babiloni Robert Whelan Bahar Güntekin Harun Yırıkoğulları Hernando Santamaria-Garcia Alberto Fernández Lucas David Huepe Gaetano Di Caterina Marcio Soto-Añari Agustina Birba Agustin Sainz-Ballesteros Carlos Coronel-Oliveros Amanuel Yigezu Eduar Herrera Daniel Abasolo Kerry Kilborn Nicolás Rubido Ruaridh A Clark Ruben Herzog Deniz Yerlikaya Kun Hu Mario A Parra Pablo Reyes Adolfo M García Diana L Matallana José Alberto Avila-Funes Andrea Slachevsky María I Behrens Nilton Custodio Juan F Cardona Pablo Barttfeld Ignacio L Brusco Martín A Bruno Ana L Sosa Ortiz Stefanie D Pina-Escudero Leonel T Takada Elisa Resende Katherine L Possin Maira Okada de Oliveira Alejandro Lopez-Valdes Brian Lawlor Ian H Robertson Kenneth S Kosik Claudia Duran-Aniotz Victor Valcour Jennifer S Yokoyama Bruce Miller Agustin Ibanez Latin American Brain Health Institute Universidad Adolfo Ibañez Santiago de Chile Chile. Cognitive Neuroscience Center Universidad de San Andrés Buenos Aires Argentina. Department of Neurology Massachusetts General Hospital and Harvard Medical School Boston MA USA. Universidad de los Andes Bogota Colombia. Global Brain Health Institute (GBHI) University of California San Francisco CA USA. Global Brain Health Institute (GBHI) Trinity College Dublin Dublin Ireland. The University of California Santa Barbara (UCSB) Santa Barbara CA USA. Escuela de Fonoaudiología Universidad San Sebastián Santiago de Chile Chile. Grupo de Bioingeniería Decanato de Investigación Universidad Nacional Experimental del Táchira San Cristóbal Venezuela. Advanced Center for Electrical and Electronic Engineering Universidad Técnica Federico Santa María Valparaíso Chile. University of Buenos Aires Buenos Aires Argentina. The Clinical Hospital of Chengdu Brain Sciences Institute University of Electronic Sciences and Technology of China Chengdu China. Technology of China Chengdu China. Cuban Neuroscience Center La Habana Cuba. Grupo de Neurociencias de Antioquia (GNA) University of Antioquia Medellín Colombia. Department of Psychology Master Program of Clinical Neuropsychology Universidad Surcolombiana Neiva Neiva Colombia. Department of Psychology Universidad Cooperativa de Colombia Arauca Colombia. Neurocognition and Psychophysiology Laboratory Universidad Surcolombiana Neiva Colombia. Reference Center of Behavioural Disturbances and Dementia School of Medicine University of Sao Paulo Sao Paulo Brazil. Traumatic Brain Injury Cognitive Rehabilitation Out-Patient Center University of Sao Paulo Sao Paulo Brazil. Center for Social and Cognitive Neuroscience School of Psychology Universidad Adolfo Ibáñez Santiago Chile. Neuropsychology and Clinical Neuroscience Laboratory (LANNEC) Physiopathology Program-Institute of Biomedical Sciences (ICBM) Neuroscience and East Neuroscience Dep

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Physical characteristics and curcumin entrapment efficiency of gelatin/Thai silk fibroin microspheres

Physical characteristics and curcumin entrapment efficiency ...

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biomedical engineering International Conference (BMEiCON)

作者： Patcharida Kongton Juthamas Ratanavaraporn Jutarat Kitsongsermthon Siriporn Damrongsakkul Multidisciplinary in Biomedical Engineering Program Chulalongkorn University Chulalongkorn University Bangkok TH Department of Pharmaceutics and Industrial Pharmacy Chulalongkorn University Bangkok Thailand

ISBN: (纸本)9781509039418

In this study, Gelatin/Thai silk fibroin microspheres with the size of less than 100 μm were fabricated by water in oil emulsion technique using Span80, an oil-soluble emulsifier. The G/SF microspheres were crosslinked by dehydrothermal treatment (DHT). The effectiveness of crosslinking on G/SF microspheres was investigated by the free amino contents of microspheres before and after crosslinking using a modified 2,4,6-trinitrobenzene sulphonic acid (TNBS) method. It was found that the DHT-crosslinked G/SF microspheres showed low crosslinking degree (36-37%) in comparison to chemical crosslinking. For the in vitro enzymatic biodegradation test, the results showed that the DHT-crosslinked G/SF microspheres were rapidly degraded in protease XIV solution (pH 7.4) at 37°C. For the entrapment efficiency of curcumin, we found that the microspheres containing high content of silk fibroin could entrap more curcumin because of the hydrophobic interaction between curcumin and silk fibroin. In addition, we found the effect of mixed solvent of ethanol and DI water on entrapment efficiency of curcumin in the microspheres. Increasing DI water content in mixed solvent result in an increased entrapment efficiency of curcumin, possibly due to water swelling ability of gelatin content leading the diffusion of curcumin into the microspheres. It was suggested that the G/SF microspheres with the size of 32-74 μm might be suitably for applied as injectable carriers for controlled release of curcumin for anti-cancer treatment.

关键词： Solvents Oils In vitro Biodegradation Ethanol Sodium

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Conformational transitions of thai silk fibroin secondary structures

Conformational transitions of thai silk fibroin secondary st...

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biomedical engineering International Conference (BMEiCON)

作者： Supawich Chankow Somchai Luemunkong Sorada Kanokpanont Multidisciplinary in Biomedical Engineering Program Chulalongkorn University Bangkok Thailand Queen Sirikit Sericulture Center (Sisaket) Sisaket Thailand Department of Chemical Engineering Chulalongkorn University Bangkok Thailand

ISBN: (纸本)9781509039418

Secondary structures of silk fibroin (SF) related directly to their gelling, degradability, mechanical properties which affects its applications. The current works investigated the changes of Thai SF's secondary structure during the process of film fabrication. Thai SF from domestic silk cocoons, Bombyx mori (Nangnoi Sisaket 1) were dissolved into water soluble protein using two solvent systems, 9.3 M LiBr solution, and Ajisawa's reagent (CaCl 2 :water:EtOH at 1: 8: 2 by mole). The SF solution was subjected to liquid nitrogen followed by lyophilization to preserve the protein's structure. Films were casted from the SF solutions and were immersed in ethanol to regenerate the protein's original conformations. Attenuated totally reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) was used to quantify relative contents of protein's secondary structures altered by each step of the processes. Degummed silk fibers had the highest beta sheet crystallinity of 59.1%. Random coils and beta sheet structures of the SF prepared with Ajisawa's reagent were at 41.5% and 18.2%, and those prepared with LiBr solution were at 45.8% and 14.4%, respectively. The non-treated SF films consisted of 33.8-35.0% and 23.2-25.9% of beta sheets and random coils, respectively, despite of their preparation processes. Regeneration of the SF using ethanol immersion increased the beta sheet contents by 10-12% compared to the non-treated ones. Relative contents of beta turn, alpha helix, and tyrosine side chains were unchanged. The EtOH-regenerated Thai SF films contained 11-17% lower in beta sheet structures than the native fiber, suggesting the silk II formation was partially regained.

关键词： Films Coils Proteins Ethanol Solvents Fabrication Protein engineering

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Proceedings of the 3rd IPLeiria's International Health Congress Abstracts

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BMC HEALTH SERVICES RESEARCH 2016年第3期16卷 111-242页

作者： [Anonymous] Health Sciences Research Unit: Nursing Collegue of College of Health Technology of Coimbra Coimbra Portugal Sisters Hospitallers of the Sacred Heart of Jesus Casa de Saúde Rainha Santa Isabel Coimbra Portugal Research Unit for Sport and Physical Activity Faculty of Sport Sciences and Physical Education University of Coimbra Coimbra Portugal Complementary Sciences- INESCC Coimbra Portugal CUF Hospitals Lisbon Portugal Breast Unit Champalimaud Clinical Center Lisbon Portugal Swiss Centre for Medical Simulation & Swiss Association of Simulation in Healthcare Basel Switzerland Basel University Hospital Basel Switzerland HELPO Association Cascais Portugal Centro de Linguística Universidade de Lisboa Lisboa Portugal Centro Superior de Estudios Universitarios La Salle Madrid Spain Universidade da Madeira Funchal Portugal Serviço de Saúde da Região Autónoma da Madeira E.P.E. Funchal Portugal Escola Superior de Enfermagem de Lisboa Lisboa Portugal Instituto Superior Miguel Torga Coimbra Portugal Centro de Investigação do Núcleo de Estudos e Intervenção Cognitivo Comportamental Universidade de Coimbra Coimbra Portugal Escola Superior de Saúde de Leiria & Unidade de Investigação em Saúde Instituto Politécnico de Leiria Leiria Portugal National School of Public Health & Centro de Investigação em Saúde Pública Universidade Nova de Lisboa Lisboa Portugal Agrarian Superior School Polytechnic Institute of Viseu Viseu Portugal Laboratory of Microbiology Department of Biological Sciences Faculty of Pharmacy University of Porto Porto Portugal Unit for Multidisciplinary Biomedical Research Institute of Biomedical Sciences Abel Salazar University of Porto Porto Portugal Agrupamento de Centros de Saúde (ACES) Baixo Mondego Figueira da Foz Portugal Universidade de Trás-os-Montes e Alto Douro Vila Real Portugal Centro de Salud La Paz Badajoz España Centro de Salud San Fernando Badajoz España Complejo Hospitalario Universitario de Badajoz Badajoz España Hospital Don Beni

S1 Health literacy and health education in adolescence Catarina Cardoso Tomás S2 The effect of a walking program on the quality of life and well-being of people with schizophrenia Emanuel Oliveira, D. Sousa, M. Uba-Chupel, G. Furtado, C. Rocha, A. Teixeira, P. Ferreira S3 Diagnosis and innovative treatments - the way to a better medical practice Celeste Alves S4 Simulation-based learning and how it is a high contribution Stefan Gisin S5 Formative research about acceptability, utilization and promotion of a home fortification programme with micronutrient powders (MNP) in the Autonomous Region of Príncipe, São Tomé and Príncipe Elisabete Catarino, Nelma Carvalho, Tiago Coucelo, Luís Bonfim, Carina Silva S6 Safety culture of the patient: a reflexion about the therapeutic approach on the patient with vocal pathology Débora Franco S7 About wine, fortune cookies and patient experience Jesús Alcoba González O1 The psychological impact on the emergency crews after the disaster event on February 20, 2010 Helena G. Jardim, Rita Silva O2 Musculoskeletal disorders in midwives Cristina L. Baixinho, Mª Helena Presado, Mª Fátima Marques, Mário E. Cardoso O3 Negative childhood experiences and fears of compassion: Implications for psychological difficulties in adolescence Marina Cunha, Joana Mendes, Ana Xavier, Ana Galhardo, Margarida Couto O4 Optimal age to give the first dose of measles vaccine in Portugal João G. Frade, Carla Nunes, João R. Mesquita, Maria S. Nascimento, Guilherme Gonçalves O5 Functional assessment of elderly in primary care Conceição Castro, Alice Mártires, Mª João Monteiro, Conceição Rainho O6 Smoking and coronary events in a population of Spanish health-care centre: An observational study Francisco P. Caballero, Fatima M. Monago, Jose T. Guerrero, Rocio M. Monago, Africa P. Trigo, Milagros L. Gutierrez, Gemma M. Milanés, Mercedes G. Reina, Ana G. Villanueva, Ana S. Piñero, Isabel R. Aliseda, Francisco B. Ramirez O7 Prevalence of musculoskeletal injuries in Por

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31st Annual Meeting and Associated programs of the Society for Immunotherapy of Cancer (SITC 2016): part one: National Harbor, MD, USA. 9-13 November 2016

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J Immunother Cancer 2016年第Suppl 1期4卷 1-1页

作者： Andreas Lundqvist Vincent van Hoef Xiaonan Zhang Erik Wennerberg Julie Lorent Kristina Witt Laia Masvidal Sanz Shuo Liang Shannon Murray Ola Larsson Rolf Kiessling Yumeng Mao John-William Sidhom Catherine A. Bessell Jonathan Havel Jonathan Schneck Timothy A. Chan Eliot Sachsenmeier David Woods Anders Berglund Rupal Ramakrishnan Andressa Sodre Jeffrey Weber Roberta Zappasodi Yanyun Li Jingjing Qi Philip Wong Cynthia Sirard Michael Postow Walter Newman Henry Koon Vamsidhar Velcheti Margaret K. Callahan Jedd D. Wolchok Taha Merghoub Lawrence G. Lum Minsig Choi Archana Thakur Abhinav Deol Gregory Dyson Anthony Shields Cara Haymaker Marc Uemura Ravi Murthy Marihella James Daqing Wang Julie Brevard Catherine Monaghan Suzanne Swann James Geib Mark Cornfeld Srinivas Chunduru Sudhir Agrawal Cassian Yee Jennifer Wargo Sapna P. Patel Rodabe Amaria Hussein Tawbi Isabella Glitza Scott Woodman Wen-Jen Hwu Michael A. Davies Patrick Hwu Willem W. Overwijk Chantale Bernatchez Adi Diab Erminia Massarelli Neil H. Segal Vincent Ribrag Ignacio Melero Tara C. Gangadhar Walter Urba Dirk Schadendorf Robert L. Ferris Roch Houot Franck Morschhauser Theodore Logan Jason J. Luke William Sharfman Fabrice Barlesi Patrick A. Ott Laura Mansi Shivaani Kummar Gilles Salles Cecilia Carpio Roland Meier Suba Krishnan Dan McDonald Matthew Maurer Xuemin Gu Jaclyn Neely Satyendra Suryawanshi Ronald Levy Nikhil Khushalani Jennifer Wu Jinyu Zhang Fahmin Basher Mark Rubinstein Mark Bucsek Guanxi Qiao Cameron MacDonald Bonnie Hylander Elizabeth Repasky Shilpak Chatterjee Anusara Daenthanasanmak Paramita Chakraborty Kyle Toth Megan Meek Elizabeth Garrett-Mayer Michael Nishimura Chrystal Paulos Craig Beeson Xuezhong Yu Shikhar Mehrotra Fei Zhao Kathy Evans Christine Xiao Alisha Holtzhausen Brent A. Hanks Nicole Scharping Ashley V. Menk Rebecca Moreci Ryan Whetstone Rebekah Dadey Simon Watkins Robert Ferris Greg M. Delgoffe Jonathan Peled Sean Devlin Anna Staffas Melissa Lumish Kori Porosnicu Rodriguez Katya Ahr Miguel Perales Sergio Giralt Ying Taur Eric Pam Karolinska Institutet Stockholm Stockholms Lan Sweden Weill Cornell Medical College New York NY USA Nova Southeastern University Cell Therapy Institute Fort Lauderdale FL USA Johns Hopkins University School of Medicine Baltimore MD USA Immunology Program Johns Hopkins University School of Medicine Columbia MD USA Memorial Sloan Kettering Cancer Center New York NY USA Johns Hopkins Medical Institute Baltimore MD USA University of Rochester Monrovia MD USA NYU Langone Medical Center New York NY USA H. Lee Moffitt Cancer Center Tampa FL USA Ludwig Collaborative Laboratory Memorial Sloan Kettering Cancer Center New York NY USA Immune Monitoring Core Facility Memorial Sloan Kettering Cancer Center New York NY USA Leap Therapeutics Cambridge MA USA Department of Medicine Memorial Sloan Kettering Cancer Center New York NY USA Case Western Reserve University Cleveland OH USA Cleveland Clinic Main Campus Cleveland OH USA University of Virginia Cancer Center Charlottesville VA USA Stony Brook University Medical Center Stony Brook NY USA Karmanos Cancer Institute Detroit MI USA University of Texas MD Anderson Cancer Center Houston TX USA Idera Pharmaceuticals Inc. Cambridge MA USA Institut Gustave Roussy Villejuif Ile-de-France France Center for Applied Medical Research (CIMA) University of Navarra Pamplona Navarra Spain University of Pennsylvania Philadelphia PA USA Earle A. Chiles Research Institute Providence Cancer Center Portland OR USA Universitätsklinikum Essen Essen Nordrhein-Westfalen Germany University of Pittsburgh Pittsburgh PA USA CHU Rennes Service Hématologie Clinique and INSERM 0203 Unité d’Investigation Clinique Rennes Bretagne France Centre Hospitalier Régional Universitaire de Lille Lille Nord-Pas-de-Calais France Simon Cancer Center Indiana University Indianapolis IN USA University of Chicago School of Medicine Chicago IL USA Johns Hopkins University School of Medicine Lutherville MD USA Multidisciplinary Oncology and Therapeuti

Adoptive Cellular TherapyO1 IL-15 primes an mTOR-regulated gene-expression program to prolong anti-tumor capacity of human natural killer cellsAndreas Lundqvist1, Vincent van Hoef1, Xiaonan Zhang1, Erik Wennerberg2, Julie Lorent1, Kristina Witt1, Laia Masvidal Sanz1, Shuo Liang1, Shannon Murray3, Ola Larsson1, Rolf Kiessling1, Yumeng Mao11Karolinska Institutet, Stockholm, Stockholms Lan, Sweden; 2Weill Cornell Medical College, New York, NY, USA; 3Nova Southeastern University, Cell Therapy Institute, Fort Lauderdale, FL, USACorrespondence: Andreas Lundqvist (***@***) Background NK cell-based immunotherapy is a potential therapeutic modality in patients with advanced cancers as transfer of haploidentical NK cells induces beneficial responses in patients with hematological malignancies; and leukemia clearance correlates with persistence and in vivo expansion of NK cells after infusion. Thus, sustained NK cell activity in vivo likely represents a therapy performance-limiting factor. Methods We performed genome-wide analysis of cytosolic and polysome-associated mRNA from interleukin (IL)-2 and IL-15 activated NK cells. Furthermore, the ability of IL-2 and IL-15 to sustain human NK cell activity following cytokine withdrawal as well as their effect on NK cells to resist tumor-induced immunosuppression was compared. Results After cytokine withdrawal, IL-15-treated NK cells maintained a higher level of cytotoxicity (p < 0.05) and showed lower levels of apoptosis (p < 0.05) compared with cells treated with IL-2. IL-15 augmented mTOR signaling, which correlated with increased expression of genes related to cell metabolism and respiration. Consistently, mTOR inhibition abrogated IL-15-induced cell function advantages. Moreover, mTOR-independent STAT-5 signaling contributed to improved NK cell function during cytokine activation but not following cytokine withdrawal. Upon co-culture with tumor cells or exposure to tumor cell supernatant, IL-15 activated NK cell

关键词： IMMUNOTHERAPY KILLER cells BIOINFORMATICS

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Poster abstracts

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Sleep and Biological Rhythms 2016年第1期5卷 A1-A189页

作者： J. Ferrie M. Shipley F. Cappuccio E. Brunner M. Miller M. Kumari M. Marmot A. Coenen J. L. Castillo F. Araya G. Bustamante L. Montecino C. Torres S. Oporto J. Gronli E. Fiske R. Murison B. Bjorvatn E. Sorensen R. Ursin C. M. Portas S. Rajaraman A. Gribok N. Wesensten T. Balkin J. Reifman N. Dursunoglu S. Ozkurt S. Baser O. Delen S. Sarikaya P. Sadler P. Mitchell D. Françon M. Decobert B. Herve A. Richard G. Griebel P. Avenet B. Scatton G. L. Fur D. Eckert A. Jordan A. Wellman S. Smith A. Malhotra D. White D. Bruck I. Thomas A. Kritikos W. Oertel K. Stiasny-Kolster D. Garcia-Borreguero W. Poewe B. Hoegl R. Kohnen E. Schollmayer J. Keffel C. Trenkwalder A. Valle S. Roizenblatt F. Fregni P. Boggio S. Tufik K. Ward L. Robertson L. Palmer P. Eastwood D. Hillman J. Lee S. Mukherjee V. de Padova G. Barbato G. Ficca I. Zilli P. Salzarulo M. Veldi T. Hion V. Vasar M. Kull L. Nowak J. Davis Y. Latzer O. Tzischinsky S. Crowley M. Carskadon M. Anca-Herschkovitsch D. Frey J. Ortega C. Wiseman C. Farley K. Wright A. Campbell A. Neill K. Spiegel R. Leproult E. Tasali N. Scherberg E. van Cauter A. T. Noradina N. A. Karim I. Norlinah A. A. Raymond R. Sahathevan B. Hamidon E. Werth R. Poryazova R. Khatami C. Bassetti R. G. Beran L. Ainley G. Holand J. Duncan H. Kinney B. Davis B. Hood S. Frey C. Schmidt M. Hofstetter P. Peigneux C. Cajochen W.-P. Hu J.-D. Li C. Zhang L. Boehmer J. Siegel Q.-Y. Zhou Y. Sagawa H. Kondo T. Takemura H. Kanayama Y. Kaneko M. Sato T. Kanbayashi Y. Hishikawa T. Shimizu A. Viola L. James L. Schlangen D.-J. Dijk R. Andretic Y.-C. Kim K.-A. Han F. Jones R. Greenspan L. Sanford L. Yang X. Tang K. Dieter E. Uta H. Sven M. Richard N. Oyane S. Pallesen F. Holsten Y. Inoue M. Fujita N. Emura K. Kuroda N. Uchimura A. Johnston J. Astbury G. Kennedy K. Hoedlmoser M. Schabus T. Pecherstorfer S. Moser G. Gruber P. Anderer W. Klimesch N. Naidoo M. Ferber A. Pack D. Neu O. Mairesse G. Hoffmann A. Dris L. Lambrecht P. Linkowski P. Verbanck O. Le Bon N. Matsuura M. Yamao N. Adachi R. Aritomi Y. Komada H. Tanaka S. Shirak University College London London UK University College London London USA Warwick Medical School London UK Warwick Medical School Coventry USA Radboud University Nijmegen Nijmegen Netherlands Department of Neurology University of Chile Santiago Chile Neurology Service Hospital del Salvador Santiago Chile Family Health Center Juan Pablo II Santiago Chile Department of Biomedicine Section on Physiology Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care Univeristy of Bergen Bergen Norway Department of Public Health and Primary Health Care University of Bergen Bergen Norway Norwegian Competence Center for Sleep Disorders Haukeland University Hospital Bergen Norway Department of Child and Adolescent Psychiatry Haukeland University Hospital Univeristy of Bergen Bergen Norway Department of Biomedicine University of Bergen Bergen Norway US Army Medical Research and Materiel Command Fort Detrick Frederick USA Walter Reed Army Institute of Research Silver Spring USA Department of Behavioral Biology Walter Reed Army Institute of Research Silver Spring USA Faculty Department of Pulmonology Pamukkale University Medical Denizli Turkey University of Ballarat Ballarat Australia Sanofi-Aventis Recherche et Developpement Paris France Brigham and Women’s Hospital Harvard Medical School Boston USA The University of Queensland Adelaide Australia School of Psychology University of Queensland Brisbane Australia The University of Queensland Brisbane Australia Victoria University Melbourne Australia Department of Psychology Victoria University Melbourne Australia School of Psychology Victoria University Melbourne Australia Philips-Universität Marburg Germany Philips-Universitaet-Marburg Marburg Germany Instituto de Investigaciones del Sueno Madrid Spain Universitätsklinik für Neurologie Innsbruck Austria Universitaetsklinik fuer Neurologie Innsbruck Austria IMEREM GmbH Nuernberg Germany Schwarz Pharma AG Monheim Germany

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Three-dimensional guidance of DRG neurite outgrowth using multi-photon photo-ablation

Three-dimensional guidance of DRG neurite outgrowth using mu...

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International IEEE/EMBS Conference on Neural engineering, CNE

作者： Noga Livnat Offra Sarig-Nadir Dror Seliktar Shy Shoham Faculty of Biomedical Engineering and the Norman Seiden Multidisciplinary Program in Nanoscience and Nanotechnology Technion-Israel Institute of Technology Haifa Israel

dasiaBrain on Chippsila technologies based on two-dimensional in-vitro neural cultures have attracted much interest in both basic and applied neuroscience over the past two decades. Extending this technology towards more brain-like three-dimensional geometries while maintaining the ability to record and/or control the neural activity is an important neural engineering challenge. We have developed a versatile new optical strategy for generating complex 3-D patterns having micron scale resolution that can be practically applied for guiding cellular outgrowth in semi-transparent bio-synthetic hydrogels. This method is based on multi-photon photoablation of the solid phase of a hydrogel material, which creates a highly localized imperfection in the amorphous hydrogel matrix. When applied to a highly cross-linked biocompatible matrix, the micro-ablations provide a conductive niche for preferential guidance of neurites and support cells. Moreover, the optical transparency of the materials make them ideal for experimental studies involving cellular optical imaging and/or optical control of neural activity and could potentially enable the future development of a dasiaBrain in Chippsila technology.

关键词： biomedical optical imaging Biological materials Conducting materials Optical materials In vitro Neuroscience Geometrical optics Neural engineering Optical recording Solids

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The Broad Institute-Six Years Later

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CHEMISTRY & BIOLOGY 2010年第4期17卷 311-312页

作者： McCarthy, Alice Main Text “In June 2003 the scientific and medical communities at MIT Harvard University and its affiliated hospitals and the Whitehead Institute banded together as collaborating partners to form the Eli and Edythe L. Broad Institute based in Cambridge MA. The Broad Institute established with initial funding from a $100 million philanthropic donation from the Los Angeles-based Broad family was primarily viewed as a marriage between the Whitehead Institute's Center for Genome Research (WICGR) and the Harvard Institute of Chemistry and Cell Biology (ICCB). Eli Broad founder and chairman of AIG SunAmerica Inc. explained “the purpose of the Broad Institute is to create a new type of research institute to build on the accomplishments of the human genome project and to move to clinical applications to both prevent and cure diseases.” Every Thursday morning we meet with perhaps 20 faculty members and 100 other researchers to discuss what we're all doing and should be doing next. -David Altschuler This paragraph was written five years ago when the Broad Institute was in its very earliest days as a life science research community (McCarthy 2005). Since that time “the Broad” as it's known has kept true to Eli Broad's vision having attracted a talented group of researchers faculty trainees and professional staff. This 1600 person research community known internally as “Broadies” includes faculty staff and students from throughout the MIT and Harvard biomedical research communities and beyond with collaborations spanning over a hundred private and public institutions in more than 40 countries worldwide. “What is special about the Broad is that we have people from Harvard MIT and the Harvard hospitals come together and work on problems of shared interest that could not be solved in their own individuals labs” explains David Altshuler M.D. Ph.D. Deputy Director and one of the Broad's six core faculty members. “These problems require expertise beyond any one principal investigator and in

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