نتایج جستجو برای: acpa
تعداد نتایج: 903 فیلتر نتایج به سال:
OBJECTIVES To determine the prevalence of anticitrullinated protein antibodies (ACPAs) and their association with known rheumatoid arthritis (RA) risk factors in the general population. METHODS Lifelines is a multidisciplinary prospective population-based cohort study in the Netherlands. Cross-sectional data from 40 136 participants were used. The detection of ACPA was performed by measuring ...
Objectives To determine the prevalence of anticitrullinated protein antibodies (ACPAs) and their association with known rheumatoid arthritis (RA) risk factors in the general population. Methods Lifelines is a multidisciplinary prospective population-based cohort study in the Netherlands. Crosssectional data from 40 136 participants were used. The detection of ACPA was performed by measuring ant...
INTRODUCTION The antigen recognition pattern of immunoglobulin M (IgM) could, when directed against protein antigens, provide an indication of the antigenic moieties triggering new B cells. The half-life of IgM is short and memory B cells against T-cell-dependent protein antigens typically produce IgG and not IgM antibodies. In this study, we analyzed whether a difference exists between the fin...
OBJECTIVE To study the association between silica exposure, separately as well as combined with smoking, and the risk of developing rheumatoid arthritis (RA) with or without the presence of antibodies against citrullinated peptide antigens (ACPA). METHODS This Swedish population based case-control study analysed 577 incident RA cases and 659 randomly selected controls, all men aged 18-70 year...
INTRODUCTION The aim of this study was to examine seroconversion and the relationship with age and inflammation of autoantibodies in a large group of patients attending an outpatient rheumatology clinic. METHODS Levels of antibodies to citrullinated proteins/peptides (ACPAs) and IgM rheumatoid factor (IgM-RF) were determined in 22,427 samples collected from 18,658 patients. The diagnosis was ...
OBJECTIVE To investigate changes of rheumatoid factor (RF) and antibodies against citrullinated peptides (ACPA) during therapy with disease modifying antirheumatic drugs. METHODS We obtained clinical and serological data of patients from the treatment start and after 6 months of therapy. With non-parametric tests, we analysed changes of ACPA and RF levels between the two visits and the influe...
مقدمه: RS67333 آگونیست انتخابی گیرنده 4 سیستم سروتونرژیک(5-HT4) و ACPA (Arachidonylcyclopropylamide) آگونیست انتخابی گیرنده 1 سیستم کانابینرژیک(CB1) می باشد. هدف از این پژوهش بررسی اثر تزریق دو طرفه RS67333 در هیپوکامپ پشتی(CA1)، بر فرایند تشکیل حافظه ترس القاء شده توسط ACPA در موش های کوچک آزمایشگاهی نر بالغ بوده است. مواد و روش ها: 120 سر موش کوچک آزمایشگاهی نر نژاد NMRI در محدوده وزنی...
INTRODUCTION Anti-citrullinated peptides antibodies (ACPA) are present in 80% of sera of rheumatoid arthritis (RA) patients with high specificity for diagnosis and prediction for the development of early erosive arthritis. A few studies have reported a low frequency ACPA in systemic sclerosis (SSc) patients with the presence of arthritis. OBJECTIVE The aim of our study was to determine the fr...
OBJECTIVES This study investigated: (1) the association of physical workload (PW) and risk of rheumatoid arthritis (RA); (2) the potential interactions between PW and the genes in the human leucocyte antigen (HLA) region. METHODS A population-based case-control study involving incident cases of RA (3150 cases and 5130 controls) was performed using data from the Swedish Epidemiological Investi...
INTRODUCTION It is known that anticitrullinated peptide antibody (ACPA)-positive rheumatoid arthritis (RA) has a preclinical phase. Whether this phase is also present in ACPA-negative RA is unknown. To determine this, we studied ACPA-negative arthralgia patients who were considered prone to progress to RA for local subclinical inflammation observed on hand and foot magnetic resonance imaging (M...
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