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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
Published on: September 5, 2017
Mycobacterium tuberculosis infection precipitates SLE in patients from endemic areas
Kanjaksha Ghosh1, Manisha Patwardhan, Vandana Pradhan
1Department of Immunology and Autoimmunedisorders, National Institute of Immunohaematology (ICMR), 13 Th Fl KEM Hospital Campus, Parel, Mumbai, 400 012, India. kanjakshaghosh@hotmail.com
Abstract:
In a cohort of 70 systemic lupus erythematosus (SLE) patients diagnosed over 2 years period, 14 patients were found to have confirmed antecedent tuberculosis (20.0%) which was 40 times higher (p < 0.001, 95%CI 36.2-48.6) than the prevalence of tuberculosis in the local population. Demonstration of anti-histone antibodies in similar proportion of SLE patients with and without antecedent anti-TB treatment and similar proportion of renal involvement (36 vs. 40%) between anti-TB drug exposed and non-exposed patients ruled out the drugs to be causative factors in precipitating SLE in these patients with antecedent history of tuberculosis. A cohort of 30 confirmed pulmonary tuberculosis patients were also studied in parallel to demonstrate high incidence of autoantibodies in these patients but no SLE. This study suggests a role of prior tuberculosis in precipitating SLE in genetically predisposed patients.
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