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Recognition of Epidermal Transglutaminase by IgA and Tissue Transglutaminase 2 Antibodies in a Rare Case of Rhesus Dermatitis
Published on: December 15, 2011
Los anticuerpos contra los desmosomas epiteliales muestran una amplia reactividad cruzada entre tejidos y especies
Nature
|March 10, 1983
Resumen
Las células comparten mecanismos de adhesión comunes, lo que desafía las creencias de especificidad. La evidencia molecular muestra que los componentes desmosomales se conservan en diversos tejidos de vertebrados, apoyando las vías de adhesión celular compartidas.
Área de la Ciencia:
- Biología celular Biología celular.
- Biología Molecular Biología Molecular
- La bioquímica es la bioquímica.
Sus antecedentes:
- La adhesión celular a menudo se considera altamente específica, con diferentes mecanismos moleculares propuestos para diversos tejidos y especies.
- La evidencia existente del comportamiento celular sugiere que existen mecanismos de adhesión comunes, pero la prueba molecular ha sido insuficiente.
- Los desmosomas, orgánulos cruciales para una fuerte adhesión intercelular en el epitelio, fueron elegidos para investigar la conservación molecular.
Objetivo del estudio:
- Proporcionar evidencia molecular de los mecanismos comunes de adhesión celular.
- Para investigar la conservación de los componentes desmosomales en diferentes especies de vertebrados.
- Para determinar si los componentes desmosomales son ampliamente compartidos, apoyando una visión unificada de la adhesión celular.
Principales métodos:
- La elevación antisera contra cinco componentes desmosómicos de alto peso molecular (MW).
- Determinación de la especificidad de la antisera levantada utilizando técnicas de inmunoblotación.
- Analizando los patrones de tinción de estos antíseros en una variedad de tejidos de diferentes especies de vertebrados.
Principales resultados:
- Inmunoblotting confirmó la especificidad de cada antisuero.
- Cada antisuero exhibió patrones de tinción consistentes con la distribución de los desmosomas.
- Estos patrones se observaron en una variedad de tejidos y especies de vertebrados.
Conclusiones:
- Los componentes desmosomales son ampliamente compartidos entre las diferentes especies de vertebrados.
- El alto grado de conservación sugiere mecanismos comunes y fundamentales para la adhesión celular.
- Esta evidencia molecular apoya la hipótesis de que las células utilizan vías de adhesión compartidas.
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