Abstracts tagged "T cells"

Abstract Number: 720 • 2013 ACR/ARHP Annual Meeting
Abatacept Efficacy Is Overruled By IL-7 In TSLP-Primed Myeloid Dendritic cell driven T Cell Activation From Rheumatoid Arthritis Patients
F.M. Moret¹, T.R.D.J. Radstake², J.W.J. Bijlsma¹, F.P.J.G. Lafeber³ and J.a.G. van Roon⁴, ¹Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ²Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ³Rheumatology & Clinical Immunology, UMC Utrecht, Utrecht, Netherlands, ⁴Rheumatology & Clinical Immunology/Lab Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
Background/Purpose: Abatacept is an effective treatment for a subset of rheumatoid arthritis (RA) patients, interfering in the interaction between antigen-presenting cells and T cells preventing…
Abstract Number: 2431 • 2013 ACR/ARHP Annual Meeting
Association Of T Follicular Helper / Th17 T Cell and Memory B Cell Populations In Rheumatoid Arthritis With Disease Activity and Therapy With TNF Antagonists
Marc C. Levesque¹, Camilla Macedo², Lisa Boyette², Kevin Hadi³, Erich R Wilkerson⁴, Diana Metes², Larry W. Moreland⁵ and Mandy J. McGeachy⁶, ¹Division of Rheumatology and Clinical Immunology, University of Pittsburgh Department of Medicine, Pittsburgh, PA, ²University of Pittsburgh, Pittsburgh, PA, ³Univeristy of Pittsburgh, Pittsburgh, PA, ⁴Medicine, University of Pittsburgh, Pittsburgh, PA, ⁵Medicine, Division of Rheumatology and Clinical Immunology, University of Pittsburgh, Pittsburgh, PA, ⁶Medicine, Division of Rheumatology and Clinical Immunology, Univeristy of Pittsburgh, Pittsburgh, PA
Background/Purpose: Autoreactive memory B cells and T cells contribute to the pathogenesis of rheumatoid arthritis (RA) through production of antibodies and cytokines that activate monocytes…
Abstract Number: 1641 • 2013 ACR/ARHP Annual Meeting
Bispecific Antibodies For Redirection Of Human Regulatory T Cells To Surface-Inducible Autoantigen La/SS-B
Stefanie Koristka¹, Marc Cartellieri², Claudia Arndt², Anja Feldmann², Irene Michalk², Claudia C. Bippes², Nicole Berndt², Anne Hermsdorf², Slava Stamova², Biji T. Kurien³, Robert Hal Scofield⁴, A. Darise Farris⁵, Judith A. James⁶, Holger Bartsch⁷ and Michael Bachmann², ¹Carl Gustav Carus TU-Dresden, Dresden, Germany, ²Inst. Immunology, Carl Gustav Carus TU-Dresden, Dresden, Germany, ³College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, ⁴Arthritis & Clinical Immunology Program, Oklahoma Medical Research Foundation; Department of Medicine, University of Oklahoma Health Sciences Center; US Department of Veterans Affairs Medical Center, Oklahoma City, OK, ⁵Arthritis & Immunology Program, Oklahoma Medical Research Foun, Oklahoma City, OK, ⁶Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁷Inst. Immunol., Carl Gustav Carus TU-Dresden, Dresden, Germany
Background/Purpose: Adoptive transfer of regulatory T cells (Tregs) represents a promising strategy for treatment of auto- and alloimmunity. However, it is difficult to obtain therapeutically…
Abstract Number: 722 • 2013 ACR/ARHP Annual Meeting
BAFF Promotes T Follicular Helper Cell Development and Germinal Center Generation In Mice
Song Guo Zheng¹, Maogeng Chen¹, Qiang Li² and William Stohl³, ¹Medicine, University of Southern California Keck School of Medicine, Los Angeles, CA, ²University of Southern California Keck School of Medicine, Los Angeles, CA, ³Division of Rheumatology, University of Southern California Keck School of Medicine, Los Angeles, CA
Background/Purpose: BAFF (B cell activating factor belonging to the TNF family) promotes B cells maturation in germinal center. The generation of germinal center depends on…
Abstract Number: 2411 • 2013 ACR/ARHP Annual Meeting
The Peripheral Blood T Cell Repertoire Before The Clinical Onset Of Rheumatoid Arthritis – a Study Of Incident Cases and Controls
Carl Turesson¹, Ulf Bergström², Edgars Grins³, Olle Melander⁴, Lennart Truedsson⁵, Lennart Jacobsson² and Stefan Jovinge³, ¹Section of Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden, ²Rheumatology, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden, ³Strategic Research Center for Stem Cell Biology and Cell Therapy, Lund University, Lund, Sweden, ⁴Unit of Hypertension and Cardiovascular Disease, Department of Clinical Sciences, Malmö, Lund University, Malmö, Sweden, ⁵Department of Laboratory Medicine, Section of Microbiology, Immunology and Glycobiology, Lund University, Lund, Sweden
Background/Purpose: Previous studies indicate that circulating antibodies may be detected in individuals who later develop rheumatoid arthritis (RA) years before onset, and T cells have…
Abstract Number: 1621 • 2013 ACR/ARHP Annual Meeting
T Helper 17 Cells and Interferon Type I: Partners In Crime In SLE?
Odilia B.J. Corneth¹, Zana Brkic², Cornelia G. van Helden-Meeuwsen³, Radboud J.E.M. Dolhain⁴, Naomi I. Maria³, Sandra M.J. Paulissen⁴, Nadine Davelaar⁵, Jan Piet van Hamburg⁵, Paul L. Van Daele³, Virgil A. Dalm², Martin van Hagen³, Marjan A. Versnel² and Erik Lubberts⁶, ¹Rheumatology and Immunology, Erasmus Medical Center, Rotterdam, Netherlands, ²Erasmus Medical Center, Immunology, Rotterdam, Netherlands, ³Immunology, Erasmus Medical Center, Rotterdam, Netherlands, ⁴Rheumatology, Erasmus Medical Center, Rotterdam, Netherlands, ⁵Immunology, Erasmus MC, University Medical Center, Rotterdam, Netherlands, ⁶Erasmus Medical Center, Rheumatology, Rotterdam, Netherlands
Background/Purpose: A hallmark of systemic autoimmune diseases, such as systemic lupus erythematotsus (SLE), is the increased expression of interferon (IFN) type I inducible genes, the…
Abstract Number: 723 • 2013 ACR/ARHP Annual Meeting
Abatacept Is Highly Effective At Inhibiting T Cell Priming and Induces a Unique Transcriptional Profile In CD4⁺t Cells
Agapitos Patakas¹, Rui-Ru Ji², William Weir³, Sean Connolly², Steven G. Nadler², James M. Brewer⁴, Iain B. McInnes⁴ and Paul Garside⁴, ¹Institute of Infection, Immunology and Inflammation, University of Glasgow, Glasgow, United Kingdom, ²Department of Immunology and Inflammation, Bristol Myers Squibb Co. Research and Development, Princeton, NJ, ³Institute of Biodiversity, Animal Health and Comparative Medicine, University of Glasgow, Glasgow, United Kingdom, ⁴Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom
Background/Purpose: Absence of co-stimulation in the presence of TCR-stimulation has been proposed to induce tolerance via deletion or anergy. Abatacept is a CTLA-4-Ig molecule that…
Abstract Number: 2317 • 2013 ACR/ARHP Annual Meeting
Impact of PVA Coated Nanoparticles On Cellular Viability and Functionality of Immune Cells Obtained From Healthy Donors and Patients With Rheumatoid Arthritis Or Osteoarthritis
Cindy Strehl¹, Timo Gaber¹, Manuela Jakstadt¹, Martin Hahne¹, Saskia Schellmann¹, Barbara Szostak¹, Géraldine Coullerez², Heinrich Hofmann², Gerd Burmester³ and Frank Buttgereit⁴, ¹Department of Rheumatology and Clinical Immunology, Charité University Medicine, Berlin, Germany, ²Institute of Materials Powder Technology Laboratory, École polytechnique fédérale de Lausanne, Lausanne, Switzerland, ³Rheumatology and Clinical Immunology, Campus Mitte, Charite University Hospital, Berlin, Germany, ⁴Charité - Universitätsmedizin Berlin, Berlin, Germany
Background/Purpose: Nanotechnology has developed into a key technology of the 21st century. Over the recent years, the number of nanotechnical products has received an enormous…
Abstract Number: 1156 • 2013 ACR/ARHP Annual Meeting
Suppression Of Immune Responses and Joint Inflammation By Myeloid-Derived Suppressor Cells In a T Cell-Dependent Mouse Model Of Rheumatoid Arthritis
Katalin Mikecz¹, Julia Kurko¹, Timea Ocsko¹, Andras Vida¹, Beata Tryniszewska¹, Tibor A. Rauch¹, Joel A. Block², Robert S. Katz³, Anjali Nair², Carla R. Scanzello⁴ and Tibor T. Glant¹, ¹Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ²Section of Rheumatology, Rush University Medical Center, Chicago, IL, ³Rush Medical College, Chicago, IL, ⁴Rheumatology, Rush University Medical Center, Chicago, IL
Background/Purpose: Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of innate immune cells with immunosuppressive properties. We previously identified MDSCs in the synovial fluid (SF)…
Abstract Number: 724 • 2013 ACR/ARHP Annual Meeting
Dose-Dependent Suppression Of Cytokine Production From T Cells By a Novel Phosphoinositide 3-Kinase Delta Inhibitor
Emily E. Way¹, Kong Chen², Kamal D. Puri³ and Jay K. Kolls², ¹Pediatric Rheumatology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, ²Richard King Mellon Foundation Institute for Pediatric Research, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, PA, ³Gilead Sciences, Inc., Seattle, WA
Background/Purpose: The use of specific cytokine inhibitors to treat inflammatory autoimmune conditions is common but typically utilizes monoclonal antibodies, fusion proteins, and other molecules whose…
Abstract Number: 2221 • 2013 ACR/ARHP Annual Meeting
The Histamine H₄ Receptor Drives Inflammation In Preclinical Models Of Arthritis
Paul J. Dunford¹, Jeffery Cowden², Fuqu Yu², Homayon Banie², Mandana Farahani², Ping Ling², Steven Nguyen², Jason Riley², Mai Zhang², Jian Zhu² and Robin L. Thurmond², ¹Immunology, Janssen R&D, LLC, San Diego, CA, ²Janssen R&D, LLC, San Diego, CA
Background/Purpose: The histamine H4 receptor (H4R) has been shown to drive inflammatory responses in models of asthma, colitis and dermatitis and in these models it…
Abstract Number: 1172 • 2013 ACR/ARHP Annual Meeting
Molecular Characterisation Of The Killer Cell Immunoglobulin-Like Receptor 3DL2 Binding To Aberrant HLA-B27 Heavy Chains In Spondyloarthritis
H. Hatano¹, J. Shaw¹, K McHugh², P. Bowness¹ and S. Kollnberger¹, ¹Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom, ²Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Science, University of Oxford, Oxford, United Kingdom
Background/Purpose: KIR3DL2 is a Killer cell Immunoglobulin-like Receptor which binds to HLA class I including HLA-B27 (B27) β2m-free heavy chains (FHC) and HLA-A3/A11. KIR3DL2 is…
Abstract Number: 726 • 2013 ACR/ARHP Annual Meeting
Tofacitinib Does Not Inhibit Dendritic Cell Maturation and T Cell Proliferation In Vitro
Emmanuelle Le Bras^1,2, Dagmar Halbritter³ and Martin Fleck^2,4, ¹Internal Medicine I, University Medical Center of Regensburg, Regensburg 93053, Germany, ²Rheumatology & Clinical Immunology, Asklepios Clinic Bad Abbach, Bad Abbach, Germany, ³Internal Medicine I, University Medical Center of Regensburg, 93042 Regensburg, Germany, ⁴Internal Medicine I, University Medical Center of Regensburg, Regensburg, Germany
Background/Purpose: Tofacitinib is the first approved Janus Kinase (JAK) Inhibitor for the treatment of rheumatoid arthritis (RA). The JAK/STAT pathway-inhibition leads to dysfunction of several…
Abstract Number: 2081 • 2013 ACR/ARHP Annual Meeting
Role Of Muscle Persistent CD28null T Cells In Glucocorticoid Therapy Resistance In Myositis Patients
Jayesh Pandya¹, Ingela M. Loell², Mohammad Shahadat Hossain², Mei Zong², Sukanya Raghavan², Ingrid E. Lundberg³ and Vivianne Malmström², ¹Rheumatology Unit, Department of Medicine, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden, ²Rheumatology Unit, Department of Medicine, Karolinska University Hospital in Solna, Karolinska Institutet, Stockholm, Sweden, ³Rheumatology Unit, Karolinska University Hospital, Solna, Karolinska Institutet, Stockholm, Sweden
Background/Purpose: Polymyositis (PM) and dermatomyositis (DM) are characterized by infiltration of T cells and macrophages in skeletal muscle tissue. Conventional immunosuppressive treatment has limited effects…
Abstract Number: 949 • 2013 ACR/ARHP Annual Meeting
Targeting CD1c-Expressing Mdcs To Inhibit Tcell Activation and Thymus and Activation Regulated Chemokine (TARC)-Dependent Chemotaxis In RA
M.R. Hillen^1,2, F.M. Moret^1,3, F.P.J.G. Lafeber⁴, C.E. Hack⁴, T.R.D.J. Radstake^2,5 and J.A.G. van Roon^3,6, ¹Laboratory for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ²Department of Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ³Rheumatology & Clinical Immunology, University Medical Center Utrecht, Utrecht, Netherlands, ⁴Rheumatology & Clinical Immunology, UMC Utrecht, Utrecht, Netherlands, ⁵Laboratory for Translational Immunology, UMC Utrecht, Utrecht, Netherlands, ⁶Laboratory for Translational immunology, University Medical Center Utrecht, Utrecht, Netherlands
Background/Purpose: Recently, we demonstrated strong Th1 and Th17 cytokine induction by CD1c+ myeloid dendritic cells (mDCs) from synovial fluid and identified thymic stromal lympopoeitin (TSLP)…

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