Immunopathology & Immunotherapy
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Immunopathology & Immunotherapy
Latest advances in immunopathology diagnosis and treatment
Curated by Alfredo Corell
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Study: Culprit leading to rheumatoid arthritis discovered

Study: Culprit leading to rheumatoid arthritis discovered | Immunopathology & Immunotherapy | Scoop.it
Daily Mail Study: Culprit leading to rheumatoid arthritis discovered Asahi Shimbun “We can expect to develop a drug that is targeted at denatured proteins to dissolve them, or a method of examination that will allow doctors to make a diagnosis of...
Alfredo Corell's insight:

Significance

Cellular misfolded proteins are transported to the cell surface by MHC class II molecules via association with the peptide-binding groove without processing to peptides. We found that IgG heavy chain is transported to the cell surface by MHC class II molecules. Furthermore, IgG heavy chain associated with MHC class II molecules is recognized by autoantibodies in rheumatoid arthritis patients. Autoantibody binding to IgG heavy chain complexed with different MHC class II alleles was strongly associated with rheumatoid arthritis susceptibility conferred by certain MHC class II alleles. These findings suggest that misfolded proteins complexed with MHC class II molecules could be targets for autoantibodies in autoimmune diseases, which might be involved in autoimmune disease susceptibility.


Link to PNAS publication: http://www.pnas.org/content/early/2014/02/19/1401105111.short 

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Genetics of rheumatoid arthritis contributes to biology and drug discovery

Genetics of rheumatoid arthritis contributes to biology and drug discovery | Immunopathology & Immunotherapy | Scoop.it
A major challenge in human genetics is to devise a systematic strategy to integrate disease-associated variants with diverse genomic and biological data sets to provide insight into disease pathogenesis and guide drug discovery for complex traits...
Alfredo Corell's insight:
Nature (2013) doi:10.1038/nature12873
Link to a spanish newspaper (El Mundo Salud) summary: 
http://www.elmundo.es/salud/2013/12/24/52b88f9122601dac238b4588.html?goback=%2Egde_1789669_member_5826671948721057795#%21
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CD20-Negative Circulating Plasmablasts Are Target for New B Cell Therapies in Anti-CCP Positive RA

CD20-Negative Circulating Plasmablasts Are Target for New B Cell Therapies in Anti-CCP Positive RA | Immunopathology & Immunotherapy | Scoop.it
Anti-citrullinated protein antibodies in RA are produced by circulating plasmablasts, renewed from memory B cell pool.
Alfredo Corell's insight:

Circulating plasmablasts/plasma cells as a source of anti-citrullinated protein antibodies in patients with rheumatoid arthritis.  Kerkman PF, Rombouts Y, van der Voort EIH, Trouw LA, Huizinga TWJ, Toes REM, Scherer HU.  Ann Rheum Dis 2013 Jul; 72:1259–1263.

The effect of targeted rheumatoid arthritis therapies on anti-citrullinated protein autoantibody levels and B cell responses.  Modi S, Soejima M, Levesque MC.  Clin Exp Immunol 2013 Jul; 173(1):8-17.

B effector cells in rheumatoid arthritis and experimental arthritis.  Finnegan A, Ashaye S, Hamel KM.  Autoimmunity 2012 Aug; 45(5):353-63.

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KEY ADVANCES IN MEDICINE by Nature Reviews journals

KEY ADVANCES IN MEDICINE by Nature Reviews journals | Immunopathology & Immunotherapy | Scoop.it
Alfredo Corell's insight:

Including Immunology (pathology and therapies) topics:


  • 29 TYpE 2 DiAbETES MElliTUS | A central role of the gut in glucose homeostasis; Geltrude Mingrone and Lidia Castagneto-Gissey
  • 30 METAbOliSM | The gut microbiota manages host metabolism; Patrice D. Cani
  • 35 hEpATiTiS C | HCV causes systemic disorders that can be cured; Francesco Negro
  • 37 fAECAl MiCRObiOTA TRANSplANTATiON | Developing human gut microbiota as a class of therapeutics; Alexander Khoruts
  • 38 COEliAC DiSEASE | New insights in dietary-gluten-induced autoimmunity; Katri Kaukinen and Markku Mäki
  • 42 ibD | Enriching the therapeutic armamentarium for IBD;  Silvio Danese and Laurent Peyrin-Biroulet
  • 51 TRANSplANTATiON iMMUNOlOgY | New approaches to diagnosis of rejection; Nicholas A. Zwang and Laurence A. Turka
  • 65 MUlTiplE SClEROSiS | Novel triggers, treatment targets and brain atrophy measures; Xavier Montalban and Mar Tintoré
  • 71 SYSTEMiC lUpUS ERYThEMATOSUS | Taking a closer look at biologic therapy for SLE; David A. Isenberg and Anisur Rahman
  • 72 EpigENETiCS | DNA methylation and miRNA—key roles in systemic autoimmunity; Bruce C. Richardson and Dipak R. Patel
  • 74 RhEUMATOiD ARThRiTiS | Translational medicine in RA—time for change; Pierre Miossec


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Lung involvement in connective tissue diseases: A comprehensive review and a focus on rheumatoid arthritis

Lung involvement in connective tissue diseases: A comprehensive review and a focus on rheumatoid arthritis | Immunopathology & Immunotherapy | Scoop.it
Alfredo Corell's insight:
Autoimmunity Reviews

Volume 12, Issue 11, September 2013, Pages 1076–1084

Benedetta Marigliano, Alessandra Soriano, Domenico Margiotta, Marta Vadacca, Antonella Afeltra

 

Abstract

The lungs are frequently involved in Connective Tissue Diseases (CTDs). Interstitial lung disease (ILD) is one of the most common pleuropulmonary manifestations that affects prognosis significantly. In practice, rheumatologists and other physicians tend to underestimate the impact of CTD-ILDs and diagnose respiratory impairment when it has reached an irreversible fibrotic stage. Early investigation, through clinical evidence, imaging and – in certain cases – lung biopsy, is therefore warranted in order to detect a possible ILD at a reversible initial inflammatory stage. In this review, we focus on lung injury during CTDs, with particular attention to ILDs, and examine their prevalence, clinical manifestations and histological patterns, as well as therapeutic approaches and known complications till date. Although several therapeutic agents have been approved, the best treatment is still not certain and additional trials are required, which demand more knowledge of pulmonary involvement in CTDs.

Our central aim is therefore to document the impact that lung damage has on CTDs. We will mainly focus on Rheumatoid Arthritis (RA), which – unlike other rheumatic disorders – resembles Idiopathic Pulmonary Fibrosis (IPF) in numerous aspects.

 

Gilbert C FAURE's curator insight, December 15, 2013 11:32 AM

rheumatoid lung is histologicaly frequent according to some autopsy studies but seldomly clinically diagnosed

already 4 pages of scoops related to rheumatoid arthritis

http://www.scoop.it/t/rheumatology-rhumatologie?q=rheumatoid+art

 

 

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Rheumatology: Rheumatoid Arthritis (II)

Journal of Medicine and Movies...Medicine in Film Stills

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