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Título : Salivary IgA antibodies to gp41 in HIV serpositive patients: Lack of correlation with disease progresión
Autor : Toro, Milagros J.
Escalona, Laura A.
Chaiyarit, P.
Warner, N.A.
Gregory, R.L.
Palabras clave : HIV; antibodies; gp41; periodontal disease
Fecha de publicación : 3-Oct-2000
Editorial : Oral Microbiology and Inmunology
Citación : Oral Microbiol Immunol 2001: 16:188-192.
Resumen : Mucous membranes are the main route of transmission of human immunodeficiency virus (HIV. Interestingly,some viral inhibitory activities have been found in saliva. the purpose of this study was to determine the level of immunoglobulin A (IgA)antibodies to gp41 in HIV+ patients at various disease stages to identify whether gp41 was able to induce vigorous humoral responses. Unstimulated saliva samples were obtained from three groups of subjects (n=37): group A(HIV-), Group B (HIV+ CD4+<200/mm3)and group C (HIV+ CD4+>200/mm3). Ig A antibodies levels to purified gp41 were determined by ELISA. Western blot analyses were performed using HIV+ saliva to comfirm IgA reactivity to gp41. ELISA demonstrated that HIV+ subjects had higher IgA antibody to gp41 tan HIV- individuals. no significant differences were noted between HIV+ CD4+ <200/mm3 and CD4+>200/mm3 subjects. High (81,25%) IgA reactivity to gp41 was demonstrated by Western blotting of saliva from all HIV individuals. In conclusión, gp41 responses are important in the HIV process, as indicated by the IgA levels and gp41 reactivity in saliva of HIV+ pacients.
URI : http://saber.ucv.ve/jspui/handle/123456789/4751
ISSN : 0902-0055
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