neurotransmiteri Flashcards

1
Q

brzina sinaptičke signalizacije ovisno je li receptor ionotropni ili metabotropni

A

ionotropni - brza signalizacija
metabotropni - sporija sginalizacija

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2
Q

dva ključna svojstva receptora

A

specifičnost liganda i specifičnost učinka

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3
Q

dvije vrste signalnih molekula

A

neurotransmitori
neuroaktivni peptidi

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4
Q

glavni neurotransmiter brze ekscitacije

A

glutamat –> djeluje prek brojnih ionotropnih i metabotropnih receptora

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5
Q

glavni neurotransmitori brze inhibicije

A

GABA i glicin

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6
Q

monoaminski neurotransmitori

A

kateholamini (adrenalin, noradrenalin, dopamin)
indoleamini (serotonin)
histamin

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7
Q

monoaminski receptori djeluju na

A

G- protein –> adenilil ciklaza, fosfolipaza C, iosnki kanali

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8
Q

glavni mehanizam inaktivacije monoamina

A

unašanje u presinaptički aksonksi završetak ili gliju
razgradnja putem MAO i COMT

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