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- Gravina, Giacomo, et al.
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Survivin in autoimmune diseases.
- 2017
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In: Autoimmunity reviews. - : Elsevier BV. - 1873-0183 .- 1568-9972. ; 16:8, s. 845-855
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Research review (peer-reviewed)abstract
- Survivin is a protein functionally important for cell division, apoptosis, and possibly, for micro-RNA biogenesis. It is an established marker of malignant cell transformation. In non-malignant conditions, the unique properties of survivin make it indispensable for homeostasis of the immune system. Indeed, it is required for the innate and adaptive immune responses, controlling differentiation and maintenance of CD4(+) and CD8(+) memory T-cells, and in B cell maturation. Recently, survivin has emerged as an important player in the pathogenesis of autoimmune diseases. Under the conditions of unreserved inflammation, survivin enhances antigen presentation, maintains persistence of autoreactive cells, and supports production of autoantibodies. In this context, survivin takes its place as a diagnostic and prognostic marker in rheumatoid arthritis, psoriasis, systemic sclerosis and pulmonary arterial hypertension, neuropathology and multiple sclerosis, inflammatory bowel diseases and oral lichen planus. In this review, we summarise the knowledge about non-malignant properties of survivin and focus on its engagement in cellular and molecular pathology of autoimmune diseases. The review highlights utility of survivin measures for clinical applications. It provides rational for the survivin inhibiting strategies and presents results of recent reports on survivin inhibition in modern therapies of cancers and autoimmune diseases.
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- Parodis, Ioannis, et al.
(author)
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Smoking and pre-existing organ damage reduce the efficacy of belimumab in systemic lupus erythematosus.
- 2017
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In: Autoimmunity Reviews. - : Elsevier BV. - 1568-9972 .- 1873-0183. ; 16:4, s. 343-351
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Journal article (peer-reviewed)abstract
- OBJECTIVES: Belimumab is the first biologic drug approved for Systemic Lupus Erythematosus (SLE). Here, we aimed to investigate the effects of belimumab on clinical and serologic outcomes, and sought to identify predictors of treatment response in three Swedish real-life settings.METHODS: Fifty-eight patients were enrolled at initiation of belimumab and followed longitudinally for up to 53months. Surveillance outcomes included the SLE Disease Activity Index 2000 (SLEDAI-2K), 100mm Visual Analogue Scales for Physician's Global Assessment (PGA), fatigue, pain and general health, and the Systemic Lupus International Collaborating Clinics/American College of Rheumatology Damage Index (SDI). Assessment of treatment response included the SLE responder index (SRI). B lymphocyte stimulator (BLyS) levels were determined using ELISA.RESULTS: SLEDAI-2K (median baseline score: 8.0; IQR: 4.0-13.8), PGA and corticosteroid use decreased during therapy, and patients reported improvements on fatigue, pain, and general health (p<0.0001 for all). SDI scores remained stable (p=0.08). Patients with baseline SDI scores >1 showed decreased probability and prolonged time to attain SRI response (HR: 0.449; 95% CI: 0.208-0.967), as did current smokers compared with non-smokers (HR: 0.103; 95% CI: 0.025-0.427). In contrast, baseline BLyS levels ≥1.2ng/mL predicted increased probability and shorter time to attain SRI response (HR: 2.566; 95% CI: 1.222-5.387).CONCLUSIONS: Disease activity and corticosteroid usage decreased, patient-reported outcomes improved, and no significant organ damage was accrued during follow-up. Smoking and organ damage predicted reduced treatment efficacy. These findings might contribute to a better selection of patients who are likely to benefit from belimumab.
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- Weiner, Maria, et al.
(author)
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The clinical presentation and therapy of diseases related to anti-neutrophil cytoplasmic antibodies (ANCA)
- 2016
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In: Autoimmunity Reviews. - : ELSEVIER SCIENCE BV. - 1568-9972 .- 1873-0183. ; 15:10, s. 978-982
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Research review (peer-reviewed)abstract
- Anti-neutrophil cytoplasmic antibodies (ANCA) are a family of autoantibodies that react with proteins predominantly expressed in cytoplasmic granules of polymorphonuclear neutrophil granulocytes (PMNs). ANCA was initially detected using indirect immunofluorescence, allowing for different patterns such as p-ANCA (perinuclear) and c-ANCA (cytoplasmic) to be distinguished. Today it is common to detect the antibodies by immunochemical assays such as ELISA using purified proteins as antigens. The strongest association with ANCA is found in the pauci-immune small vessel vasculitides granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA). There is compelling evidence that ANCA contributes to the pathogenesis in these conditions. ANCA also occurs in 30%-40% of patients with eosinophilic granulomatosis with polyangiitis (EGPA) and anti-GBM disease, but is uncommon in other forms of vasculitis. ANCA with different specificities have been described with varying frequencies in diseases such as systemic lupus erythematosus (SLE), rheumatoid arthritis, inflammatory bowel disease, endocarditis, chronic infections and hematopoietic malignancies. ANCA can also develop as an adverse event during pharmacological treatment. These entities are treated quite differently, with therapies ranging from immunosuppressive agents over antibiotics to simply removing the causative drug. A positive ANCA test thus requires a careful diagnostic work-up. (C) 2016 Elsevier B.V. All tights reserved.
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