ArticleThe Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases
Salivary anti-PGL-1 IgM may indicate active transmission of Mycobacterium leprae among young people under 16 years of age.
Article in The Brazilian journal of infectious diseases : an official publication of the Brazilian Society of Infectious Diseases. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 5 citations in OpenAlex.
- Detection of Mycobacterium leprae DNA in clinical and environmental samples using serological analysis and PCR.Molecular biology reports · 2021Article
- In search of biomarkers for leprosy by unraveling the host immune response to Mycobacterium leprae.Immunological reviews · 2021Review
- Serum IgA Antibodies Specific toFrontiers in medicine · 2021Article
- Recent Laboratory Advances in Diagnostics and Monitoring Response to Treatment in Leprosy.Indian dermatology online journalReview
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Authors and funding
5 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
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 present work that salivary anti-PGL IgA and IgM are important biomarkers to be used for identifying communities with probable active transmission of M. leprae.
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