Recettori G protein Flashcards

1
Q

Sidenafil - Veradanfil - Tedanafil

A

inibitore fosfodiesterasi

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2
Q

fosfodiesterasi

A

spegnimento cAMP

cAMP —> 5’AMP

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3
Q

da cosa deriva cAMP ?

A

ATP

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4
Q

adenilato ciclasi

A

effettore enzimatico di Gαs

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5
Q

complesso βγ

A

effettori enzimatici:

  • canali ionici
  • proteine chinasi GRK
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6
Q

fosfatasi

A

spegnimento segnale PLC

defosforilazione IP3

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7
Q

Fosfolipasi C tipo β

A

effettore enzimatico Gαq

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8
Q

PKC

A

attivato da DAG

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9
Q

cAMP

A

effettori:

PKA

EPAC

CANALI IONICI

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10
Q

recettori acoppiati a GPROTEIN

A

7 TM
N-terminale extracell —> variabile
C-terminale intracell —> loop fosforilazione + reclutamento Gprotein

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11
Q

RGS

A

si tratta di GAP

aumentano idrolisi GTP—>GDP subunità α

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12
Q

agonisti bilanciati

A

entrambi i pathway

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13
Q

agonisti biased (sbilanciati)

A

recettore μu oppioidi

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