neurotransmitters Flashcards

patho 1

1
Q

acetylcholine (small molecule NT)

A
  • PZS
  • Alzheimer –> afsterven cholinerge celgroepen
  • rol in geheugen
  • synthese; acetyl co-enzym a + choline (door choline-acetyltransferase)
  • beëindigd door acetylcholinesterase –> hydrolyse acetylcholine in acetaat en choline
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2
Q

aminozuren (small molecule NT)

A

a) Glutamaat:
- excitatoire nt in CZS
- neurotoxisch
- transport via VGLUT’s

b) GABA:
- inhibitoirische nt in CZS
- uit glutamaat + glutamaat decarboxylase
- vb: GABA-erge striatale neuronen en purkinje cellen

c) Glycine:
- ruggenmerg, lage hersenstam, retina en cerebellum
- 50% inhibitoire neuronen
- cotransmitter
- binden op NMDA-receptore –> openen ion-kanalen

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3
Q

purines

A
  • ATP als co-transmitter
  • moduleren van effecten noadrenaline, serotonine, glutamaat, dopamine en GABA

-astrocyten –> vrijstellen ATP

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4
Q
A
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