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Salivary anti-PGL-1 IgM may indicate active transmission of Mycobacterium leprae among young people under 16 years of age BJID
Macedo,Alexandre Casimiro de; Cunha Jr.,José Evandro; Yaochite,Juliana Navarro Ueda; Tavares,Clodis Maria; Nagao-Dias,Aparecida Tiemi.
Abstract Considering that the main route of Mycobacterium leprae transmission is the upper respiratory tract, detection of salivary antibodies can be a useful tool for diagnosing early infection. The study aimed to analyze salivary anti-PGL-1 IgA and IgM antibodies in 169 children aged 4-16 years old, who lived nearby or inside the house of multibacillary or paucibacillary leprosy patients in two endemic cities in Alagoas State - Brazil. Salivary anti-PGL-1 antibodies were quantified by modified ELISA method. The frequency of contact and clinical form of the index case were significantly associated with salivary antibody levels. High frequency of IgM positivity strongly suggests active transmission of M. leprae in these communities. We suggest in the...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Leprosy; Salivary antibodies; Phenolic glycolipid-1 antigen; Mycobacterium leprae.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702017000500557
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