[Show abstract][Hide abstract] ABSTRACT: Ocular manifestations of lupus are fairly common, may be the presenting feature of the disease and can be sight-threatening. Almost any part of the eye and visual pathway can be affected by inflammatory or thrombotic processes. Ocular pain and visual impairment require urgent assessment by an ophthalmologist. Infection should be excluded. Optic neuritis and ischaemic optic neuropathy may be difficult to distinguish. Scleritis and severe retinopathy require systemic immunosuppression but episcleritis, anterior uveitis and dry eyes can usually be managed with local eye drops. Vaso-occlusive disease, particularly in the presence of antiphospholipid antibodies, requires treatment with anticoagulation and proliferative retinopathy is treated with laser therapy. Hydroxychloroquine rarely causes ocular toxicity at doses under 6.5 mg/kg/day. When this has occurred, it has been associated with more than 5 years of drug exposure.
[Show abstract][Hide abstract] ABSTRACT: Sjögren's syndrome (SjS) is a complex chronic autoimmune disease of unknown etiology which primarily targets the exocrine glands, resulting in eventual loss of secretory function. The disease can present as either primary SjS or secondary SjS, the latter of which occurs concomitantly with another autoimmune disease such as rheumatoid arthritis, systemic lupus erythematosus, scleroderma, or primary biliary cirrhosis. Current advancements in therapeutic prevention and treatment for SjS are impeded by lack of understanding in the pathophysiological and clinical progression of the disease. Development of appropriate mouse models for both primary and secondary SjS is needed in order to advance knowledge of this disease. This paper details important features, advantages, and pitfalls of current animal models of SjS, including spontaneous, transgenic, knockout, immunization, and transplantation chimera mouse models, and emphasizes the need for a better model in representing the human SjS phenotype.
BioMed Research International 03/2011; 2011(1110-7243):549107. DOI:10.1155/2011/549107 · 2.71 Impact Factor
[Show abstract][Hide abstract] ABSTRACT: Sjögren’s syndrome (SS) is a chronic, progressive autoimmune disease primarily affecting women. Diagnosis of SS requires an invasive salivary gland tissue biopsy and a long delay from the start of the symptoms to final diagnosis has been frequently observed. In this study,we aim to identify salivary autoantibody biomarkers for primary SS (pSS) using a protein microarray approach. Immune-response protoarrays were used to profile saliva autoantibodies from patients with pSS (n = 514), patients with systemic lupus erythematosus(SLE, n = 513), and healthy control subjects (n = 513). We identified 24 potential autoantibody biomarkers that can discriminate patients with pSS from both patients with SLE and healthy individuals. Four saliva autoantibody biomarkers, anti-transglutaminase, anti-histone, anti-SSA, and anti-SSB, were further tested in independent pSS (n = 534), SLE (n = 534), and healthy control (n = 534) subjects and all were successfully validated with ELISA. This study has demonstrated the potential of a high-throughput protein microarray approach for the discovery of autoantibody biomarkers. The identified saliva autoantibody biomarkers may lead to a clinical tool for simple, noninvasive detection of pSS at low cost.
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