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1
Q

What type of receptors do we have?

A
  • ligand-gated ion channel receptors
  • nuclear/intracellular receptor
  • GPCR
  • Silent receptor
  • orphan receptors
  • enzyme receptors
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2
Q

What does cAMP do when made by adenylyl cyclase?

A

it activates PKA, PKA can then activate CREB which results in gene transcription

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3
Q

What happens in Gq?

A

PIP2 is cleaved into DAG and IP3 by PLC. Both of these subunits can open the calcium channels. The influx of calcium channels can activate PKC which results n contraction of the smooth muscle cells.

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4
Q

How is GPCR desensitised?

A

After activation of cAMP, arrestin is also activated and binds to GPCR.

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