Serum Anti-Nuclear Antibodies and their patterns on immunofluorescence in patients with joint pain from Lahore, Pakistan

Muhammad Daood Khan, Bushra Mubarak, Kainat Waheed, Iqra Munir

Abstract


Background: Autoimmunity is the deviation of the immune system from its natural course and evoking a potent inflammatory response against organs or systems of its own body. Anti-nuclear antibodies (ANA) are an important marker for the diagnosis of autoimmune. The incidence of autoimmune diseases is increasing globally due to advancements in civilization, so it becomes crucial to monitor its trends. The current study aimed to determine the prevalence of ANA and its specific pattern in individuals with joint pain.

Methods: The duration of this cross-sectional study was 6 months, from December 2018 to May 2019. ANA profiles of 155 subjects were evaluated using the indirect immunofluorescence (IIF) technique.

Results: Amongst 155 enrolled subjects 101(65.2%) were females and 54(34.8%) were males. Rheumatoid factor was positive in 61 (39.3%) patients. ANA was found positive in 35 (22.5%) individuals, 5(14.3%) males, and 30(85.7%) females. Homogenous pattern was positive in 25(71.4%), 5(14.3%) fine speckled, 5(14.3%) centromere, and 1(2.8%) presented nuclear dots. The most frequent titer observed was 1/320 in 14(40%) individuals.

Conclusion: The homogenous pattern was frequently observed patterns ANA positive subjects. There was also a significant relationship between age group and their patterns. The homogenous pattern was most frequent among the 60-69-year age group.


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References


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