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Class notes Farmacología

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tipos de receptores e interacciones farmacológicas

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Estudia los cambios que el fármaco produce en el organismo ACOPLADOS A CANALES IÓNICOS
TIPOS DE RECEPTORES: Respuesta: milisegundos
Acoplados a proteínas G Regulan el flujo de iones a través de la membrana
Acoplados a canales iónicos
Receptor Receptor Receptor
Unidos a enzimas
Sodio VD NMDA GABAa
Intracelulares
ACOPLADOS A PROTEÍNAS G O METABOTRÓPICOS UNIDOS A ENZIMAS

Activa la producción de 2°mensajeros Respuesta: horas
+ abundantes Involucrados en la regulación del crecimiento y
Respuesta: segundos diferenciación del organismo, así como en procesos
Receptor: 7 regiones endocrinos e inmunológicos
Receptor para Receptor Receptor TLR
insulina BCR-Abl

INTRACELULARES

Gs: activa canales Respuesta: horas/días
Ca+2 y la adenil Receptor para Receptor GR
ciclasa hormonas
lipofílicas Receptor TR

INTERACCIONES FARMACOLÓGICAS:
AGONISTAS: actividad intrínseca
Gq: activa COMPLETOS: rpta. PARCIALES: rpta.
fosfolipasa C máxima máxima parcial
ANTAGONISTAS: carecen de actividad intrínseca
COMPETITIVO: NO COMPETITIVO: no
afinidad, uniones afinidad, uniones
reversibles irreversibles
ANTAGONISMO Ácido Base
QUÍMICOS Heparina Sulfato de protamina
ANTAGONISMO Estimulante Depresor
Gi: activa canales K+1 e inhibe la adenil ciclasa FISIOLÓGICO Adrenalina β1 Acetilcolina M2

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Number of pages
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Written in
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Type
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Professor(s)
Dr eliberto
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