Incidence of Positive Anti-Ro/SSA and Anti-La/SSB Antibodies Among Infants with Prolonged Skin Lesions and Its Relation to Autoimmune Disease in the Mother
International Journal of Immunology
Volume 6, Issue 2, June 2018, Pages: 30-42
Received: Jun. 1, 2018; Accepted: Jun. 26, 2018; Published: Jul. 18, 2018
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Mona Sayed Aly Hassan Makhlouf, Department of Pediatrics, Al Galaa Teaching Hospital, General Organization of Teaching Hospitals and Institutes (GOTHI), Cairo, Egypt
Suzan Fahim Ghobashy, Department of Pediatrics, Al Galaa Teaching Hospital, General Organization of Teaching Hospitals and Institutes (GOTHI), Cairo, Egypt
Hanan Farouk Mohamed, Department of Clinical Pathology, Al Galaa Teaching Hospital, General Organization of Teaching Hospitals and Institutes (GOTHI), Cairo, Egypt
Ikram Idris Alyan, Department of Rheumatology and Rehabilitation, Al Galaa Teaching Hospital, General Organization of Teaching Hospitals and Institutes (GOTHI), Cairo, Egypt
Fawzy Aly Abualfadl, Department of Dermatology, Ahmed Maher Teaching Hospital, General Organization of Teaching Hospitals and Institutes (GOTHI), Cairo, Egypt
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Many literatures reported that neonatal lupus erythematosus and its associated abnormalities mainly, cutaneous lupus lesions, congenital heart block (CHB), hematologic cytopenias, hepatobiliary disease and cardiomyopathy are associated with anti-Ro/SSA and anti-La/SSB antibodies. With skin findings occur in nearly 95% of NLE infants, others reported that 100% of NLE infants with CHB were positive for anti Ro/SSA antibodies and 90.2% of infants with skin NLE were positive for anti Ro/SSA. And long-term follow-up of children with neonatal lupus and their unaffected siblings revealed that 12.24% of NLE children identified definite rheumatic/autoimmune diseases after more than 8 years. Aim of the study: The aim of this study was to determine the incidence of positive anti-Ro/SSA and anti-La/SSB antibodies in infants with recurrent prolonged skin lesions and their mothers to determine asymptomatic mothers at risk to develop autoimmune disease. Subjects and methods: a total of 90 infants with recurrent prolonged skin lesions below the age of 6 months and their mothers attending pediatric screening and follow up clinic at Al Galaa Teaching Hospital in Cairo, Egypt were investigated for positivity of anti Ro/SSA and anti La/SSB antibodies using enzyme linked immunoassay (ELISA). Results: Incidence rate of positive anti Ro/SSA alone and anti La/SSB alone antibodies in infants were 34.4% and 23.3% respectively, and positive both anti Ro/SSA and anti La/SSB antibodies was 21.1%, while in their mothers, positive both anti Ro/SSA and anti La/SSB antibodies was 36.7%. Among the 33 cases with positive antibodies female: male ratio was 2.3:1, and rheumatologic and autoimmune diseases was positive in 14 (42.4%) mothers, while, 19 (57.6%) were asymptomatic mothers, anemia, lymphocytosis, neutropenia with relative lymphocytosis, eosinophilia and thrombocytopenia were found in 6.1%, 9.1%, 3.0%, 9.1% and 12.1% respectively. Liver transaminases were elevated in 4 (12.1%). Positive anti Ro/SSA and anti La/SSB antibodies were statistically significantly correlated with infant age, body weight, body length and head circumference, female sex, infants mothers’ rheumatologic and autoimmune diseases, distribution of skin lesions, positive history of steroid containing cream use, and thrombocytopenia. However, both antibodies showed no statistically significant correlation with infant feeding, rate of recurrent skin lesions, anemia, lymphocytosis, neutropenia with relative lymphocytosis, eosinophilia, positive CRP, and elevated ESR. Conclusion: our infant cases with prolonged skin lesions with positive anti Ro/SSA and anti La/SSB antibodies with their mothers’ especially asymptomatic ones should be investigated and followed up properly for development of NLE and autoimmune diseases.
Anti Ro/SSA Antibody, Anti La/SSB Antibody, Cutaneous NLE, Autoimmune Diseases
To cite this article
Mona Sayed Aly Hassan Makhlouf, Suzan Fahim Ghobashy, Hanan Farouk Mohamed, Ikram Idris Alyan, Fawzy Aly Abualfadl, Incidence of Positive Anti-Ro/SSA and Anti-La/SSB Antibodies Among Infants with Prolonged Skin Lesions and Its Relation to Autoimmune Disease in the Mother, International Journal of Immunology. Vol. 6, No. 2, 2018, pp. 30-42. doi: 10.11648/j.iji.20180602.12
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