Editorials:

Could antibodies to C-reactive protein link inflammation and cardiovascular disease in patients with systemic lupus erythematosus?

Sean G O’Neill, David A Isenberg, and Anisur Rahman

Ann Rheum Dis 2007; 66: 989-991. doi:10.1136/ard.2007.073312

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Extended reports:

Characterisation of a dendritic cell subset in synovial tissue which strongly expresses Jak/STAT transcription factors from patients with rheumatoid arthritis

J G Walker, M J Ahern, M Coleman, H Weedon, V Papangelis, D Beroukas, P J Roberts-Thomson, and M D Smith

Ann Rheum Dis 2007; 66: 992-999.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.060822

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Anti-ß₂GPI-antibody-induced endothelial cell gene expression profiling reveals induction of novel pro-inflammatory genes potentially involved in primary antiphospholipid syndrome

C Hamid, K Norgate, D P D’Cruz, M A Khamashta, M Arno, J D Pearson, G Frampton, and J J Murphy

Ann Rheum Dis 2007; 66: 1000-1007.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.063909

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Rheumatoid arthritis subtypes identified by genomic profiling of peripheral blood cells: assignment of a type I interferon signature in a subpopulation of patients

T C T M van der Pouw Kraan, C A Wijbrandts, L G M van Baarsen, A E Voskuyl, F Rustenburg, J M Baggen, S M Ibrahim, M Fero, B A C Dijkmans, P P Tak, and C L Verweij

Ann Rheum Dis 2007; 66: 1008-1014.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.063412

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A Sonographic Enthesitic Index of lower limbs is a valuable tool in the assessment of ankylosing spondylitis

M Alcalde, Juan C Acebes, M Cruz, L González-Hombrado, G Herrero-Beaumont, and O Sánchez-Pernaute

Ann Rheum Dis 2007; 66: 1015-1019.
Published Online First: 7 December 2006. doi:10.1136/ard.2006.062174

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Effects of intra-articular corticosteroids and anti-TNF therapy on neutrophil activation in rheumatoid arthritis

Helmut Wittkowski, Dirk Foell, Erik af Klint, Leen De Rycke, Filip De Keyser, Michael Frosch, Ann-Kristin Ulfgren, and Johannes Roth

Ann Rheum Dis 2007; 66: 1020-1025.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.061507

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Safety and efficacy of leflunomide in primary Sjögren’s syndrome: a phase II pilot study

J M van Woerkom, A A Kruize, R Geenen, E N van Roon, R Goldschmeding, S M M Verstappen, J A G van Roon, and J W J Bijlsma

Ann Rheum Dis 2007; 66: 1026-1032.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.060905

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Ex vivo interleukin 1 receptor antagonist production on lipopolysaccharide stimulation is associated with rheumatoid arthritis and with joint damage

J K de Vries-Bouwstra, Y P M Goekoop-Ruiterman, J Wesoly, H J Hulsmans, A J M de Craen, F C Breedveld, B A C Dijkmans, C F Allaart, and T W J Huizinga

Ann Rheum Dis 2007; 66: 1033-1037.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.062463

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The comparative effectiveness of anti-TNF therapy and methotrexate in patients with psoriatic arthritis: 6 month results from a longitudinal, observational, multicentre study

M S Heiberg, C Kaufmann, E Rødevand, K Mikkelsen, W Koldingsnes, P Mowinckel, and T K Kvien

Ann Rheum Dis 2007; 66: 1038-1042.
Published Online First: 9 January 2007. doi:10.1136/ard.2006.064808

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Predominant activation of MAP kinases and pro-destructive/pro-inflammatory features by TNF in early-passage synovial fibroblasts via TNF receptor-1: failure of p38 inhibition to suppress matrix metalloproteinase-1 in rheumatoid arthritis

Elke Kunisch, Muktheshwar Gandesiri, Reneé Fuhrmann, Andreas Roth, Rando Winter, and Raimund W Kinne

Ann Rheum Dis 2007; 66: 1043-1051.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.062521

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Further evidence of the role of frizzled-related protein gene polymorphisms in osteoarthritis

J Rodriguez-Lopez, M Pombo-Suarez, M Liz, J J Gomez-Reino, and A Gonzalez

Ann Rheum Dis 2007; 66: 1052-1055.
Published Online First: 19 January 2007. doi:10.1136/ard.2006.065938

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Time required for disappearance of urate crystals from synovial fluid after successful hypouricaemic treatment relates to the duration of gout

Eliseo Pascual and Francisca Sivera

Ann Rheum Dis 2007; 66: 1056-1058.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.060368

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Step-up combination versus switching of non-biological disease-modifying antirheumatic drugs in rheumatoid arthritis: results from a retrospective observational study

M Schoels, T Kapral, T Stamm, J S Smolen, and D Aletaha

Ann Rheum Dis 2007; 66: 1059-1065.
Published Online First: 16 February 2007. doi:10.1136/ard.2006.061820

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Cigarette smoking and radiographic progression in rheumatoid arthritis

A Finckh, S Dehler, K H Costenbader, C Gabay on behalf of the Swiss Clinical Quality Management project for RA (SCQM)

Ann Rheum Dis 2007; 66: 1066-1071.
Published Online First: 19 January 2007. doi:10.1136/ard.2006.065060

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The epidemiology of ankylosing spondylitis and the commencement of anti-TNF therapy in daily rheumatology practice

Bert Vander Cruyssen, Clio Ribbens, Annelies Boonen, Herman Mielants, Kurt de Vlam, Jan Lenaerts, Serge Steinfeld, Filip Van den Bosch, Lode Dewulf, and Nathan Vastesaeger

Ann Rheum Dis 2007; 66: 1072-1077.
Published Online First: 29 January 2007. doi:10.1136/ard.2006.064543

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Reliability of the ICF Core Set for rheumatoid arthritis

Till Uhlig, Solvår Lillemo, Rikke Helene Moe, Tanja Stamm, Alarcos Cieza, Annelies Boonen, Petter Mowinckel, Tore Kristian Kvien, and Gerold Stucki

Ann Rheum Dis 2007; 66: 1078-1084.
Published Online First: 12 January 2007. doi:10.1136/ard.2006.058693

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Activated complement components and complement activator molecules on the surface of cell-derived microparticles in patients with rheumatoid arthritis and healthy individuals

Éva Biró, Rienk Nieuwland, Paul P Tak, Loes M Pronk, Marianne C L Schaap, Augueste Sturk, and C Erik Hack

Ann Rheum Dis 2007; 66: 1085-1092.
Published Online First: 29 January 2007. doi:10.1136/ard.2006.061309

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Calprotectin (a major leucocyte protein) is strongly and independently correlated with joint inflammation and damage in rheumatoid arthritis

Hilde Berner Hammer, Sigrid Ødegard, Magne K Fagerhol, Robert Landewé, Désirée van der Heijde, Till Uhlig, Petter Mowinckel, and Tore K Kvien

Ann Rheum Dis 2007; 66: 1093-1097.
Published Online First: 18 January 2007. doi:10.1136/ard.2006.064741

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Validation of the ABILHAND questionnaire as a measure of manual ability in patients with rheumatoid arthritis

Patrick Durez, Virginie Fraselle, Frédéric Houssiau, Jean-Louis Thonnard, Henri Nielens, and Massimo Penta

Ann Rheum Dis 2007; 66: 1098-1105.
Published Online First: 14 December 2006. doi:10.1136/ard.2006.056150

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Concise reports:

In vivo evidence for apoptosis in the bone marrow in systemic lupus erythematosus

Alastair L Hepburn, Irvin A Lampert, Joseph J Boyle, Donna Horncastle, W Fai Ng, Mark Layton, Timothy J Vyse, Marina Botto, and Justin C Mason

Ann Rheum Dis 2007; 66: 1106-1109.
Published Online First: 2 February 2007. doi:10.1136/ard.2006.065003

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The intra-articular distribution of ⁹⁰yttrium does not influence the clinical outcome of radiation synovectomy of the knee

Z N Jahangier, F M van der Zant, J W G Jacobs, H G Riedstra, G M M Gommans, J F Verzijlbergen, J W J Bijlsma, and J W van Isselt

Ann Rheum Dis 2007; 66: 1110-1112.
Published Online First: 12 January 2007. doi:10.1136/ard.2005.047373

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The TNFRSF1A R92Q mutation is frequent in rheumatoid arthritis but shows no evidence for association or linkage with the disease

Philippe Dieudé, Michel Goossens, François Cornélis, Laëtitia Michou, Thomas Bardin, Dimitri Olegovitch Tchernitchko for the European Consortium on Rheumatoid Arthritis Families

Ann Rheum Dis 2007; 66: 1113-1115.
Published Online First: 18 January 2007. doi:10.1136/ard.2006.060764

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Genetic susceptibility to total hip arthroplasty failure: a preliminary study on the influence of matrix metalloproteinase 1, interleukin 6 polymorphisms and vitamin D receptor

M H A Malik, F Jury, A Bayat, W E R Ollier, and P R Kay

Ann Rheum Dis 2007; 66: 1116-1120.
Published Online First: 15 March 2007. doi:10.1136/ard.2006.062018

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Letters:

New markers and an old phenomenon: prozone effect disturbing detection of filaggrin (keratin) autoantibodies

Frederique Dubois-Galopin, Celine Beauvillain, Damien Dubois, Anne Pillet, Gilles Renier, Pascale Jeannin, Charles Masson, and Alain Chevailler

Ann Rheum Dis 2007; 66: 1121-1122. doi:10.1136/ard.2006.066027

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Successful treatment with bosentan for severe digital ischaemia in limited cutaneous systemic sclerosis

Emma P K Yu, Andrew J K Ostor, and Frances C Hall

Ann Rheum Dis 2007; 66: 1122-1123. doi:10.1136/ard.2006.057604

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Increased sensitivity to extracellular ATP of fibroblasts from patients affected by systemic sclerosis

Andrea Lo Monaco, Sara Gulinelli, Gabriella Castellino, Anna Solini, Davide Ferrari, Renato La Corte, Francesco Trotta, and Francesco Di Virgilio

Ann Rheum Dis 2007; 66: 1124-1125. doi:10.1136/ard.2006.065078

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In rheumatoid arthritis, a polymorphism in the HLA-G gene concurs in the clinical response to methotrexate treatment

Olavio R Baricordi, Marcello Govoni, Roberta Rizzo, and Francesco Trotta

Ann Rheum Dis 2007; 66: 1125-1126. doi:10.1136/ard.2006.064022

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A "new" technique for the diagnosis of chondrocalcinosis of the knee: sensitivity and specificity of high-frequency ultrasonography

Georgios Filippou, Bruno Frediani, Adriana Gallo, Luana Menza, Paolo Falsetti, Fabio Baldi, Caterina Acciai, Sauro Lorenzini, Mauro Galeazzi, and Roberto Marcolongo

Ann Rheum Dis 2007; 66: 1126-1128. doi:10.1136/ard.2007.069344

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Corrections:

CORRECTION

Ann Rheum Dis 2007; 66: 1128. doi:10.1136/ard.2006.058784.corr1

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