Abstracts tagged "Animal models"

Abstract Number: 61 • 2017 ACR/ARHP Annual Meeting
Resolution of Systemic Joint Inflammatory Processes and Regeneration of Existing Bone Damage upon TNF Blockade As Monitored By In Vivo Multimodal PET-CT Imaging in Progressed Experimental Arthritis
Silvia Hayer¹, Markus Zeilinger^2,3, Volker Weiss^3,4, Markus Seibt⁵, Birgit Niederreiter¹, Tetyana Shvets⁶, Monika Dumanic⁶, Florian Pichler⁶, Marcus Hacker⁶, Josef S. Smolen⁷, Kurt Redlich⁸ and Markus Mitterhauser⁶, ¹Department of Internal Medicine III, Division of Rheumatology, Medical University of Vienna, Vienna, Austria, ²Faulty of Engineering, University of Applied Sciences, Winer Neustadt, Austria, ³Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria, ⁴Faculty of Engineering, University of Applied Sciences, Wiener Neustadt, Austria, ⁵Department Internal Medicine III, Division Rheumatology, Medical University of Vienna, Vienna, Austria, ⁶Medical University of Vienna, Vienna, Austria, ⁷Medical University Vienna, Division of Rheumatology, Department of Internal Medicine III, Vienna, Austria, ⁸Division of Rheumatology, Medical University of Vienna, Vienna, Austria
Background/Purpose: To use in vivo multimodal [18F]FDG (fluoro-D-glucose, tracer for inflammation) and [18F]Sodium Fluoride (bone tracer) positron emission tomography/computed tomography (PET-CT) imaging for the monitoring…
Abstract Number: 904 • 2017 ACR/ARHP Annual Meeting
Deficient Autophagy Induces Lamin a/C Accumulation in Aging and Osteoarthritis
Paloma Lopez de Figueroa¹, Uxia Nogueira-Recalde², Fernando Osorio³, Martin Lotz⁴, Carlos Lopez-Otin³, Francisco J Blanco² and Beatriz Carames¹, ¹Cartilage Biology Group. Rheumatology Division, INIBIC-CHUAC, A Coruña, Spain, A Coruña, Spain, ²Cartilage Biology Group. Rheumatology Division, INIBIC-CHUAC, A Coruña, A Coruña, Spain, ³Degradome Lab, Universidad de Oviedo, Oviedo, Spain, ⁴Department of Molecular & Experience Medicine, Scripps Research Institute, LaJolla, CA
Background/Purpose: Autophagy, an essential chondrocyte homeostasis mechanism, is defective in Aging and Osteoarthritis (OA). However, the targets regulating this mechanism are still unknown. Here, we…
Abstract Number: 1720 • 2017 ACR/ARHP Annual Meeting
TGF-ß-Induced Tissue Fibrosis in TBRIcaCol1Cre Transgenic Mice Is Abrogated By the Second Generation Tyrosine Kinase Inhibitor SKI-606 (Bosutinib)
Peter J. Wermuth and Sergio A. Jimenez, Jefferson Institute of Molecular Medicine, Division of Connective Tissue Diseases and Scleroderma Center, Thomas Jefferson University, Philadelphia, PA
Background/Purpose: Bosutinib (SKI-606), a second-generation tyrosine kinase inhibitor that blocks the activity of the BCR-ABL kinase responsible for Philadelphia chromosome positive chronic myeloid leukemias, also…
Abstract Number: 69 • 2017 ACR/ARHP Annual Meeting
The Effect of Myostatin Inhibition on Bone Loss in Murine Osteoporosis Models
Tomoyuki Mukai¹, Takafumi Mito¹, Shunichi Fujita¹, Shoko Kodama¹, Akiko Nagasu¹, Teruki Sone², Shinichiro Nishimatsu³, Yutaka Ohsawa⁴, Yoshihide Sunada⁴ and Yoshitaka Morita¹, ¹Department of Rheumatology, Kawasaki Medical School, Kurashiki, Okayama, Japan, ²Department of Nuclear Medicine, Kawasaki Medical School, Kurashiki, Okayama, Japan, ³Department of Natural Sciences, Kawasaki Medical School, Kurashiki, Okayama, Japan, ⁴Department of Neurology, Kawasaki Medical School, Kurashiki, Okayama, Japan
Background/Purpose: Myostatin, also called as growth differentiation factor-8 (GDF-8), is a secreted member of TGF-β superfamily. Myostatin is a negative regulator of skeletal muscle mass…
Abstract Number: 1062 • 2017 ACR/ARHP Annual Meeting
Ptpn22 Regulates Synovial Slam Family Receptor Expression during Toll-like Receptor-Driven Suppression of Inflammatory Arthritis
David Ewart¹, Juan Abrahante Lloréns² and Erik J. Peterson³, ¹Rheumatology, University of Minnesota, Minneapolis, MN, ²Informatics Institute (UMII), University of Minnesota, Minneapolis, MN, ³Center for Immunology/Department of Medicine, University of Minnesota, Minneapolis, MN
Background/Purpose: Genetic factors contribute strongly to Rheumatoid arthritis (RA) risk. Protein tyrosine phosphatase non-receptor 22 [PTPN22] encodes the hematopoietic-specific Lymphoid Phosphatase [“Lyp”]. A PTPN22 coding…
Abstract Number: 1742 • 2017 ACR/ARHP Annual Meeting
Involvement of T Helper 17 Cells in Inflammatory Arthritis Depends on the Host Intestinal Microbiota
Heather Evans-Marin¹, Rebecca Rogier², Jose U. Scher³, Debbie M. Roeleveld², Marije I. Koenders⁴ and Shahla Abdollahi-Roodsaz^5,6, ¹Division of Rheumatology, New York University School of Medicine, New York, NY, ²Experimental Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands, ³New York University School of Medicine, New York, NY, ⁴Experimental Rheumatology, Radboud university medical center, Nijmegen, Netherlands, ⁵Department of Medicine, Division of Rheumatoogy, New York University School of Medicine, New York, NY, ⁶Rheumatology, Radboud University Medical Center, Nijmegen, Netherlands
Background/Purpose: The intestinal microbiota has been associated with psoriatic and rheumatoid arthritis. One of the major effects of microbiota is the induction of mucosal T…
Abstract Number: 11L • 2016 ACR/ARHP Annual Meeting
BMS-986165 Is a Highly Potent and Selective Allosteric Inhibitor of Tyk2, Blocks IL-12, IL-23 and Type I Interferon Signaling and Provides for Robust Efficacy in Preclinical Models of Systemic Lupus Erythematosus and Inflammatory Bowel Disease
Kathleen Gillooly¹, Yifan Zhang¹, Xiaoxia Yang¹, Adriana Zupa-Fernandez¹, Lihong Cheng¹, Joann Strnad¹, Mark Cunningham², Elizabeth Heimrich¹, Xiadi Zhou¹, Jing Chen³, Charu Chaudhry³, Sha Li³, Kim McIntyre¹, Julie Carman⁴, Ryan Moslin⁵, Stephen Wrobleski⁵, David Weinstein⁵ and James Burke¹, ¹Immunosciences Discovery Biology, Bristol-Myers Squibb, Princeton, NJ, ²Bristol-Myers Squibb, Princeton, NJ, ³Leads Discovery & Optimization, Bristol-Myers Squibb, Princeton, NJ, ⁴Discovery Translational Sciences Group, Bristol-Myers Squibb, Princeton, NJ, ⁵Immunosciences Discovery Chemistry, Bristol-Myers Squibb, Princeton, NJ

Background/Purpose: Tyk2 mediates signaling downstream of the receptors for IL-12, IL-23 and Type I interferons, all key drivers of autoimmune disorders such as SLE. BMS-986165,…
Abstract Number: 467 • 2016 ACR/ARHP Annual Meeting
Interleukin-21-Signaling in B Cells, but Not in T Cells, Is Indispensable for Development of Collagen-Induced Arthritis in Mice
Koji Sakuraba^1,2, Kenjiro Fujimura^1,2, Hisaaki Miyahara¹ and Hisakata Yamada², ¹Clinical Research Center, National Hospital Organization Kyushu Medical Center, Fukuoka, Japan, ²Division of Host Defense, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan
Background/Purpose: IL-21 is a T cell-derived cytokine whose receptor is expressed on variety of cells in immune system. IL-21was reported to be involved in the…
Abstract Number: 1437 • 2016 ACR/ARHP Annual Meeting
Netrin-1 and Its Receptor Unc5b Are Novel Targets for the Treatment of Inflammatory Arthritis
Aranzazu Mediero¹, Tuere Wilder², Bhama Ramkhelawon³, Kathryn Moore³ and Bruce Cronstein⁴, ¹Medicine, Divison of Translational Medicine, NYU School of Medicine, New York City, NY, ²Department of Medicine, Division of Rheumatology, NYU School of Medicine, New York, NY, ³Leon H. Charney Division of Cardiology, Department of Medicine,, NYU School of Medicine, New York, NY, ⁴Medicine, Division of Rheumatology, NYU School of Medicine, New York, NY
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease that causes chronic inflammation and destruction of joints. Netrin-1, a laminin-like matrix protein that acts as a…
Abstract Number: 2061 • 2016 ACR/ARHP Annual Meeting
Successful Treatment of Murine Lupus Nephritis with Helminths Related Tuftsin-Phosphorylcholine Compound and Its Effect on the Microbiota
Yehuda Shoenfeld¹, Tomer Bashi², Hadar Gershon³, Or Givol⁴, Alexander Volkov⁵, Iris Barshack⁵, Mati Fridkin⁶, Miri Blank² and Omry Koren⁷, ¹Zabludowicz Center for Autoimmune Diseases, Chaim Sheba Medical Center, Tel Hashomer, Israel Incumbent of the Laura Schwarz-Kipp Chair for Research of Autoimmune Diseases, Sackler Faculty of Medicine, Tel-Aviv University, Tel Aviv, Israel, ²Sheba Medical Center, Zabludowicz Center for Autoimmune Diseases, affiliated to affiliated to Sackler Faculty of Medicine, Tel-Aviv University, Ramat Gan, Israel, ³Sefat Medical School, Bar-Ilan University, Sefat, Israel, ⁴Zabludowicz Center for Autoimmune Diseases, Ramat Gan, Israel, ⁵Sheba Medical Center, Institute of Pathology, affiliated to Sackler Faculty of Medicine, Tel-Aviv University, Ramat Gan, Israel, ⁶Organic chemistry, Weizmann Institute for Sciences, Rehovot, Israel, ⁷Sefat medical school, Bar-Ilan university, Sefat, Israel
Background/Purpose: , In areas where helminths infections are common, autoimmune diseases are rare. Treatment with helminthes and their ova, improved clinical findings of inflammatory bowel…
Abstract Number: 469 • 2016 ACR/ARHP Annual Meeting
Role of Microbiota in Development of Autoimmune Arthritis
Widian Jubair¹, Jason Hendrickson², Sumitra Adhikari³, Nirmal Banda³, Diana Ir⁴, Charles Robertson⁴, Daniel Frank⁴ and Kristine Kuhn², ¹Rheumatology, University of Colorado, Aurora, CO, ²Division of Rheumatology, University of Colorado School of Medicine, Aurora, CO, ³Division of Rheumatology, UC Denver School of Medicine, Denver, CO, ⁴Division of Infectious Disease, University of Colorado, Aurora, CO
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease with an unknown cause. Observations of dysbiosis and mucosal inflammation in patients with RA has raised interest…
Abstract Number: 1439 • 2016 ACR/ARHP Annual Meeting
The EP4 Receptor Antagonist CR6086 Is More Effective Than Classical NSAID and DMARD Treatment in a Murine Model of Arthritis and in Human RA Synovial Explants
Marije I. Koenders¹, Monique M. Helsen¹, Birgitte Walgreen¹, Wim B. van den Berg¹, Gianfranco Caselli², Ornella Letari² and Peter M. van der Kraan¹, ¹Experimental Rheumatology, Radboud university medical center, Nijmegen, Netherlands, ²Rottapharm Biotech, Monza, Italy
Background/Purpose: CR6086 is a novel small molecule acting as a potent and selective antagonist of the prostaglandin E2 (PGE2) receptor EP4 subtype (EP4 receptor). Recent…
Abstract Number: 2108 • 2016 ACR/ARHP Annual Meeting
DNA Hypomethylation in Promoter Region of Zbtb38 Gene Ultimately Leads to Downregulated Expression of Anti-Inflammatory IL1r2 in Experiential Model of Rheumatoid Arthritis
Timea Ocskó¹, Daniel M. Tóth¹, Attila Balog², Katalin Mikecz¹, Tibor T. Glant¹ and Tibor A. Rauch³, ¹Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ²Rheumatology, Albert Szent-Gyorgyi University, Szeged, Hungary, ³1735 W. Harrison Str., Rush University Medical Center, Chicago, IL
Background/Purpose: Interleukin 1 beta (IL1B) is a multifunctional cytokine that is highly expressed in rheumatoid arthritis (RA) and drives pro-inflammatory pathways via interleukin 1 receptor…
Abstract Number: 470 • 2016 ACR/ARHP Annual Meeting
Crucial Involvement of Citrullinated Proteins and ACPA in the Development of Peptide-Glucose-6-Phosphate Isomerase Induced Arthritis
Hoshimi Kawaguchi¹, Isao Matsumoto¹, Hiroshi Ebe¹, Naoto Umeda¹, Yuya Kondo¹, Hiroto Tsuboi² and Takayuki Sumida¹, ¹Department of Internal Medicine, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan, ²Division of Clinical Immunology, Doctoral Programs in Clinical Science, Graduated School of Comprehensive Human Science, University of Tsukuba, Tsukuba, Japan
Background/Purpose: Various citrullinated proteins and anti-citrullinated protein antibodies (ACPA) are increased in patients with rheumatoid arthritis (RA). ACPA have high specificity for RA, and are…
Abstract Number: 1443 • 2016 ACR/ARHP Annual Meeting
A Therapeutic Peptide Vaccine Reduces Pro-Inflammatory Responses and Suppresses Arthritis in the Cartilage Proteoglycan G1 Domain-Induced Mouse Model of Rheumatoid Arthritis
Daniel Zimmerman¹, Harold Steiner III¹, Roy Carambula¹, Adrienn Markovics², Alison Finnegan³, Katalin Mikecz² and Tibor Glant⁴, ¹Research and Development, Cellular Immunology, CEL-SCI Corporation, VIENNA, VA, ²Orthopedic Surgery, Rush University Medical Center, Chicago, IL, ³Dept of Medicine, Rush University Med Ctr, Chicago, IL, ⁴Orthopedic Surgery, Rush Med Ctr Cohn Bldg Rm 708, Chicago, IL
Background/Purpose: Rheumatoid arthritis (RA) is an autoimmune disease leading to inflammatory destruction of the peripheral joints. Although pro-inflammatory T helper 1 (Th1) and/or Th17 cell…

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