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Demonstration of antibody and cellular immune response to brain extract in West and Lennox-Gastaut syndromes

Demonstração de anticorpos e resposta imune celular a extrato de cérebro nas sindromes de West e Lennox-Gastaut

Abstracts

We investigated humoral and cellular immune response to brain tissues in 15 patients with West syndrome, in 9 patients with Lennox-Gastaut syndrome and in 20 healthy children. High levels of a precipitating antibody to a saline extract of brain tissue were detected in all patients; leucocyte migration inhibition test with the same antigen was found to be positive in most of them. The role of this autoimmune response in the pathogenesis of West and Lennox-Gastaut syndromes remains to the elucidated.


Investigamos a resposta imunológica celular e humoral frente a extrato salino de tecido cerebral em 9 pacientes com síndrome de Lennox-Gastaut, 15 pacientes com síndrome de West e 20 crianças normais. A técnica de imunodifusão dupla em gel de agar (Ouchterlony) evidenciou em todos os pacientes, altos níveis de um anticorpo precipitante contra o extrato salino de tecido cerebral. O teste de inibição de migração de leucócitos com o mesmo antígeno mostrou-se positivo na maioria dos pacientes. O possível papel destas respostas autoimmunes na patogenia das sindromes de West e Lennox-Gastaut é discutido.


Demonstration of antibody and cellular immune response to brain extract in West and Lennox-Gastaut syndromes

Demonstração de anticorpos e resposta imune celular a extrato de cérebro nas sindromes de West e Lennox-Gastaut

Norma G. S. MotaI; M. Thereza Rezkallah-IwassoI; M. Terezinha S. PeraçoliI; Terezinha C. B. MontelliII

IDepartment of Microbiology and Immunology, IBBMA - UNESP

IIDepartment of Neurology, IBBMA - UNESP

SUMMARY

We investigated humoral and cellular immune response to brain tissues in 15 patients with West syndrome, in 9 patients with Lennox-Gastaut syndrome and in 20 healthy children. High levels of a precipitating antibody to a saline extract of brain tissue were detected in all patients; leucocyte migration inhibition test with the same antigen was found to be positive in most of them. The role of this autoimmune response in the pathogenesis of West and Lennox-Gastaut syndromes remains to the elucidated.

RESUMO

Investigamos a resposta imunológica celular e humoral frente a extrato salino de tecido cerebral em 9 pacientes com síndrome de Lennox-Gastaut, 15 pacientes com síndrome de West e 20 crianças normais. A técnica de imunodifusão dupla em gel de agar (Ouchterlony) evidenciou em todos os pacientes, altos níveis de um anticorpo precipitante contra o extrato salino de tecido cerebral. O teste de inibição de migração de leucócitos com o mesmo antígeno mostrou-se positivo na maioria dos pacientes. O possível papel destas respostas autoimmunes na patogenia das sindromes de West e Lennox-Gastaut é discutido.

Full text available only in PDF format.

Texto completo disponível apenas em PDF.

Acknowledgements - The authors wish to thank Dr. Florence Kerr Correa for manuscript revision and Mr. Irineu Machado for technical assistance.

Departamento de Microbiologia e Imunologia, IBBMA, UNESP - 18610 Rubião Junior, Botucatu, SP - Brasil.

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Publication Dates

  • Publication in this collection
    13 Aug 2012
  • Date of issue
    June 1984
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