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Relation dose-réponse et temps-réponse Flashcards

(12 cards)

1
Q

°Dose-réponse
°Temps-réponse

A

°Pharmacodynamie
°Pharmacocinétique

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2
Q

4 cibles médoc

A

°Récepteurs
°Enzyme
°Canaux ioniques
°Transporteur

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3
Q

C’est quoi l’affinité

A

Propension d’un médoc à lier récepteur (forte affinité=spécificité)

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4
Q

°C’est quoi l’efficacité
°Agoniste
°Antagoniste

A

°Capacité d’un médicament à activer un récepteur
°100% d’activation pour 100% d’occupation
°0% d’activation pour 100% d’occupation (ouin bof)

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5
Q

Quelle expérience on utilise pour mesurer l’affinité d’un ligand

A

On utilise un ligand radioactif

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6
Q

4 propriétés interaction ligand récepteur

A

°Réversible
°Saturable
°Haute affinité
°Produit une réponse biologique

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7
Q

C’est quoi la puissance

A

Concentration requise pour induire une réponse

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8
Q

C’est quoi l’activation constitutive

A

°Récepteur peut s’activer sans ligand
Agoniste stabilise la forme active et l’agoniste inverse stabilise la forme inactive

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9
Q

Que fait vraiment un antagoniste

A

Il stabilise la forme dans lequel le récepteur est, rentre en compé avec agoniste (inverse ou pas), empêche liaison autre ligand

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10
Q

C’est quoi CME ou ED

A

Concentration minimale effective

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11
Q

C’est quoi Ctox ou LD

A

Concentration où il y a des effets toxiques

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12
Q

IT

A

Index thérapeutique (Ctox/CME)

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