PRINCÍPOS FARMACODINÂMICOS Flashcards

1
Q

Alvos farmacológicos

A

Receptores
DNA
Proteínas/enzimas
Canais iônicos
Microorganismos

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2
Q

Principais receptores de membrana

A
  1. Canal iônico
  2. Receptor ligado à proteína G
  3. Receptor tirosina-quinase
  4. Receptor nuclear (chaperona)
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3
Q

Receptor do tipo canal iônico

A
  • canal de entrada e saída de íons
  • Na+, Ca2+ e Cl- entram
  • K+ sai
  • resposta rápida
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4
Q

Receptor aclopado a proteína G

A
  • GS: resposta excitatória
  • GQ: ativa fosfolipase C –> DAG + IP3 –> auemnto de [Ca2] intracelular
  • GI: diminui adenilatociclase e ampcíclico –> diminui pkA –> aumenta condutnacia de potássio e diminui de cálcio
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5
Q
A
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