Cibles médicaments Flashcards

1
Q

protéine G

A
  • 7 domaine transmb
  • 3eme boucle intrac (initialement inactive)
    Gs + Gi -
    ligands: Adre, Noradré, Dopamine, Opiacés endo
    Prot effectrices: 1) canaux ioniques mb 2) Enzymes (adenylate cyclase +- Gs, Gi
    Antago: Propanolol B1 Adre.
    Ago: Salbutamol B2 Adré.
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2
Q

Recepteur canal

A

médiateur endogène: GABA
+ par: entrée Cl-, hyperpo mb
Ago: Alcool, Barbituriques, Benzo (anxio, sédatifs, myo, anticonvul)
Anta: Flumazénil
Canal Calcique L (cardiomyocytes + m lisse vasculaire)
Pompe protons + recapture

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3
Q

Récepteur enzymes

A
Tyrosine Kinase (insuline)
Tyrosine phosphatase (déphospho)
Guanylate Kinase
- = diminue
faux sub = métabo anormal pas diminution
Angiotensine II ( At1 hypertenseur)
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4
Q

Recepteur nucléaire

A

cytosol ou noyau

hormones

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5
Q

ago de synthese G 2018

A

reduire A enzymes, seconds messages

accroitre AMPc action ligand naturel, courants ioniques

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6
Q

oméprazole

A

empêche sortie H+ entrée K+

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