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Ultrasound-detected tenosynovitis independently associates with patient-reported flare in patients with rheumatoid arthritis in clinical remission : Results from the observational study STARTER of the Italian Society for Rheumatology

Objectives. This study aimed to estimate the prevalence of US-detected tenosynovitis in RA patients in clinical remission and to explore its clinical correlates.Methods. A total of 427 RA patients in clinical remission were consecutively enrolled from 25 Italian rheumatology centres. Tenosynovitis and synovitis were scored by US grey scale (GS) and power Doppler (PD) semi-quantitative scoring syst

A validation study of a new classification algorithm to identify rheumatoid arthritis using administrative health databases : Case-control and cohort diagnostic accuracy studies. Results from the RECord linkage on Rheumatic Diseases study of the Italian Society for Rheumatology

Objectives: To develop and validate a new algorithm to identify patients with rheumatoid arthritis (RA) and estimate disease prevalence using administrative health databases (AHDs) of the Italian Lombardy region. Design: Case-control and cohort diagnostic accuracy study. Methods: In a randomly selected sample of 827 patients drawn from a tertiary rheumatology centre (training set), clinically vali

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Systemic lupus erythematosus (SLE) is an autoimmune condition with a wide range of manifestations. Among the various targets of the disease, the kidney holds a very important place. In fact, renal involvement is one of the most important and frequent features of the disease, deeply affecting a patient's prognosis and influencing the therapeutic approach. In the last few years, some progress has be

Atherosclerosis and rheumatoid arthritis : More than a simple association

In the last decades a large amount of evidence linked rheumatoid arthritis (RA) to atherosclerosis. In fact, RA patients have an increased risk of cardiovascular events that is not fully explained by other classic cardiovascular risk factors. RA and atherosclerosis may share several common pathomechanisms and inflammation undoubtedly plays a primary role. The proinflammatory cytokines such as tumo

Perlecan heparan sulfate is required for the inhibition of smooth muscle cell proliferation by all-trans-retinoic acid

Smooth muscle cell (SMC) proliferation is a key process in stabilization of atherosclerotic plaques, and during restenosis after interventions. A clearer understanding of SMC growth regulation is therefore needed to design specific anti-proliferative therapies. Retinoic acid has been shown to inhibit proliferation of SMCs both in vitro and in vivo and to affect the expression of extracellular matr

Perlecan Heparan Sulfate Proteoglycan Is a Critical Determinant of Angiogenesis in Response to Mouse Hind-Limb Ischemia

Background: Perlecan is a heparan sulfate proteoglycan (HSPG) constituent of the extracellular matrix with roles in cell growth, differentiation, and angiogenesis. The role of the HS side chains in regulating invivo angiogenesis after hind-limb ischemia is unknown. Methods: Heparan sulfate (HS)-deficient perlecan (Hspg2 δ3/δ3 ) mice (n= 35), containing normal perlecan core protein but deficient i