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An in-depth exploration of immunoglobulins and antibodies, their structure, classes, and functions. Learn about the role of immunoglobulins in the immune system, their interaction with antigens, and the various functions they perform. Discover the differences between IgG, IgM, IgA, IgD, and IgE, and gain insights into the process of immunoglobulin synthesis and secretion.
Typology: Essays (university)
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C terminal Ω Ω
Ω Ω
Fragmentos Fab Papaína Fragmento Fc Hidratos de carbono Fijación del complemento Unión al antígeno H
N terminal
Ω Ω
Ω
Ω Ω Ω H
N terminal C terminal VH VL CL CH 1 CH 2 CH 3 Región VARIABLE Región CONSTANTE Sitio de unión a Ag o PARATOPE Segmentos HIPERVARIABLES
(pentámero) Cadena J
(dímero)
Estructura pentamérica de la Ig M Estructura dimérica de la Ig A Cadena J Cadena J Componente secretor
Actividad biológica de las Ig
Funciones efectoras:
(cantidad de sitios de unión )
(^2 5) (10) 2 ó 4 2 2
Célula Plasmática NÚCLEO Cadena H Péptido Adicional Vesícula secretora o de Russell Hemimolécula Carbohidratos Aparato de Golgi Líquido Extracelular R.E.R. ARN m ARN m Ribosoma Cadena L
S
Luz intestinal Célula plasmática submucosa Ig A dimérica Receptor de Ig polimérica (pIgR) Ig A s Componente secretor Enterocito