scholarly journals Evaluation of Autoantibodies in Patients with Primary and Secondary Sjogren’s Syndrome

2017 ◽  
Vol 11 (1) ◽  
pp. 10-15 ◽  
Author(s):  
Ellen De Langhe ◽  
Xavier Bossuyt ◽  
Long Shen ◽  
Kishore Malyavantham ◽  
Julian L. Ambrus ◽  
...  

Background: Antibodies to salivary gland protein 1 (SP1), carbonic anhydrase 6 (CA6) and parotid secretory protein (PSP) were discovered in an animal model of Sjogren’s syndrome (SS). Their expression was noted in patients with SS, especially those with lower focus scores on lip biopsies and those with early disease lacking antibodies to Ro and La. Objective: The current studies evaluated these autoantibodies in patients with long-standing SS expressing high levels of anti-Ro antibodies and in patients with Sjogren’s syndrome secondary to systemic lupus erythematosus (SLE), systemic sclerosis (SSc) and mixed connective tissue disease (MCTD). Method: Sera were obtained from patients and evaluated by ELISA for IgG, IgA and IgM antibodies to SP1, CA6 and PSP. Results: IgA anti-CA6 antibodies were noted in 38% of these patients, but anti-SP1, CA6 and PSP IgM or IgG antibodies were identified only in a minority of patients. In patients with secondary SS, antibodies to SP1/CA6/PSP were more sensitive and specific than anti-Ro . Conclusion: While more studies are needed, antibodies to SP1, CA6 and PSP provide valuable markers for the diagnosis of primary and secondary SS, especially early in the course of the disease.

2020 ◽  
Vol 79 (Suppl 1) ◽  
pp. 1600.1-1601
Author(s):  
R. Shayakhmetova ◽  
L. P. Ananyeva ◽  
O. Koneva ◽  
M. Starovoytova ◽  
O. Ovsyannikova ◽  
...  

Background:Patients with systemic sclerosis positive for anti-U1RNP have special clinical picture and disease progression. The autoimmune profile in this group is poorly understood.Objectives:The purpose of our work was to study the level of major autoantibodies in patients with systemic sclerosis positive for anti-U1RNP.Methods:The study included 80 patients (71 women and 9 men, mean age 44,5±14 years) positive for antibodies to RNP and meeting the criteria of the systemic sclerosis (ACR/EULAR 2013). Patients were examined for autoantibodies: RF, ACCP, ACA, anti-Scl70, anti-RNAP-III, anti-Ro, anti-La, anti-dsDNA, anti-Sm, ACL, anti-Jo1. 44 patients were examined in dynamics in 24 months.Results:In the study group the clinical picture was dominated by inflammatory musculoskeletal lesions (synovitis and myopathy), skin manifestations were poorly expressed. Interstitial lung disease was detected in 68% of cases. Overlaps (34%) with other rheumatic diseases (rheumatoid arthritis, systemic lupus erythematosus) and combination with Sjogren’s syndrome (32.5%) were frequently noted. Other antibodies were often detected: commonly - RF (31%), anti-Ro (38%), anti-dsDNA (42%), rarely - anti-Sm (11%), ACCP (8%), anti-La (8%), ACA (6%), anti-Scl70 (6%), AKL (2%). Anti-Jo1 and anti-RNAP-III were not detected at all. In patients with systemic sclerosis highly-positive for anti-U1RNP (more than 2 upper normal limits) RF, anti-Ro, anti-dsDNA were significantly more common in comparison with low-positive(p=0.00). In dynamics 80% of patients maintained anti-U1RNP, while other autoantibodies were detected with the same frequency. In patients with initially low titer of anti-U1RNP, their disappearance was noted.Conclusion:Patients with systemic sclerosis positive for anti-U1RNP differ in the predominance of inflammatory musculoskeletal manifestations and frequent combination with Sjogren’s syndrome and overlaps. Highly positivity for anti-U1RNP is accompanied by a persistent increase in RF, anti-Ro, anti-dsDNADisclosure of Interests:None declared


2017 ◽  
Vol 30 (3) ◽  
pp. 246 ◽  
Author(s):  
Sofia Silvério Serra ◽  
Teresa Pedrosa ◽  
Sandra Falcão ◽  
Jaime Cunha Branco

Interstitial lung disease occurs in up to 25% of patients with Sjögren’s syndrome and 2% - 8 % of patients with systemic lupus erythematosus. Corticosteroid therapy remains the main treatment for systemic lupus erythematosus. However, it can be associated with several neuropsychiatric disorders especially with prednisolone at a dose of more than 40 mg/day. We present the case of a 51-year-old patient with systemic lupus erythematosus and secondary Sjögren’s syndrome with severe pulmonary involvement four years after the diagnosis. Chest computed tomography revealed neofibrosis and ground glass appearance pattern. After increasing the dose of prednisolone to 60 mg/day, the patient presented a manic episode. There was need of hospitalization and the situation was considered to be secondary to corticosteroids at high doses. Central neurological involvement by organic disease was excluded.We introduced monthly perfusion of cyclophosphamide for six months and later started mycophenolate mofetil 2 g/day, reducing prednisolone to 10 mg/day and maintaining hydroxychloroquine 400 mg/day, with control of disease activity.


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