نتایج جستجو برای: آراشیدونیل سیکلو پروپیل آمید acpa
تعداد نتایج: 3643 فیلتر نتایج به سال:
واکنش های حلقه زایی در زمره مفیدترین روش ها برای سنتز ترکیبات شیمی دارویی مدرن هستند. در این تحقیق ما سنتز دو جزیی ایمینو اکسازولین های استخلاف دار جدید را با استفاده از تراکم حلقوی سیکلو هگزیل ایزوسیانید و آلکیل-2-(بنزویل آمینو)-3-فنیل آکریلات با بازده بالا تحت شرایط بدون حلال گزارش نموده ایم به علاوه سنتز n-بنزویل-n-سیکلو هگزیل-?-(آلکوکسی کربونیل)فنیل آلانین آمید جدید توسط ایمینو اکسازولین با...
Anti-citrullinated protein antibodies (ACPA) have become an integral part of the clinical definition of rheumatoid arthritis, and are hypothesized to be important in the immunopathogenesis of this autoimmune disease. Several citrullinated proteins have been demonstrated to serve as candidate autoantigens for the ACPA, based on in vitro immune reactions between citrullinated peptides/proteins an...
Administration of intravenous immunoglobulin (IVIg) is a recognized safe and efficient immunomodulation therapy for many autoimmune diseases. Anti-idiotypic antibody binding to pathogenic autoantibodies was proposed as one of the mechanisms attributed to the protective activity of IVIg in autoimmunity. The aim of this study was to fractionate the anti-anti-citrullinated protein anti-idiotypic-a...
BACKGROUND Rheumatoid arthritis (RA) consists of two syndromes, one autoantibody-positive and one autoantibody-negative. Existing data on the relation between age of onset and prevalence of autoantibodies were conflicting. Therefore this multicohort study assessed the age of onset in relation to the presence of autoantibodies. The association with characteristics of the anti-citrullinated prote...
HLA-DRB1, especially the shared epitope (SE), is strongly associated with rheumatoid arthritis (RA). However, recent studies have shown that SE is at most weakly associated with RA without anti-citrullinated peptide/protein antibody (ACPA). We have recently reported that ACPA-negative RA is associated with specific HLA-DRB1 alleles and diplotypes. Here, we attempted to detect genetically differ...
The role of anti-citrullinated protein antibodies (ACPA) in the pathogenesis of rheumatoid arthritis
The most specific autoimmunity known for rheumatoid arthritis (RA) is reflected by generation of anti-citrullinated protein antibodies (ACPA). Presence of ACPA in established RA is associated with disease severity, while generation of ACPA at early developmental phases of RA can have a strong predictive value for progressing to the full-blown disease. Hence, development of ACPA may be of crucia...
OBJECTIVE Anticitrullinated protein antibodies (ACPAs) are suggested to identify different subsets of patients with rheumatoid arthritis (RA). The authors compared the clinical and radiological responses to Disease Activity Score (DAS)-steered treatment in patients with RA positive or RA negative for ACPA. METHODS In the BehandelStrategieën (BeSt) study, 508 patients with recent-onset RA were...
OBJECTIVES Human leucocyte antigen shared epitope (SE) alleles are associated with joint destruction, the presence of anticitrullinated protein antibodies (ACPA) and the ACPA fine specificity repertoire in rheumatoid arthritis (RA). A large variation in joint destruction is seen within the ACPA-positive patient population, and it is conceivable that certain ACPA reactivities contribute to radio...
INTRODUCTION Patients with rheumatoid arthritis (RA) can be separated into two major subpopulations based on the absence or presence of serum anti-citrullinated protein antibodies (ACPAs). The more severe disease course in ACPA(+) RA and differences in treatment outcome between these subpopulations suggest that ACPA(+) and ACPA(-) RA are different disease subsets. The identification of T-helper...
توانایی یک الکترود خمیر کربن جدید برای تعیین سریع، آسان و انتخابی داروی سفکسیم بررسی شده است. در سنسور پتانسیومتری ساخته شده از 2-هیدروکسی-پروپیل-بتا-سیکلو دکسترین به عنوان یک حامل یون مناسب در ماتریکس خمیر کربن استفاده شده است.
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