GABA pt 1 Flashcards

1
Q

what are the GABAA sub units

A

alpha 1 and 2
beta 1 and 2
gamma

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2
Q

what do these words describe
anxiolytic, anticonvulsant, analgesic, amnestic, sedative/hypnotic

A

drugs that enhance the GABAaR

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3
Q

what are types of drugs that enhance the GABAaR function

A

diazepam
alphaxalone
propofol
babituates

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4
Q

what are benzos used to treat

A

anxiety and insomnia
induce muscle relaxation
epileptic seizures

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5
Q

how quickly can tolerance develop if using benzos

A

weeks

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6
Q

what are PAMs known as

A

positive allosteric modulators

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7
Q

what are used to decrease the function of the GABAaR

A

NAMs
antagonists

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8
Q

where do benzos bind to on GABAaR

A

between the alpha and gamma subunit interface

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9
Q

what ion is conducted in the central pore of GABA

A

cl-

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10
Q

diazepam does not enhace GABA responses mediated by GABAaRs composed of what subunits

A

alpha1beta1

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11
Q

for high affinity bonding of diazepam the receptor must contain what subunit

A

gamma2

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12
Q

GABAaRs incorporating the gamma2, and what alpha subunits are diazepam sensitive

A

alpha1, 2, 3, 5

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13
Q

GABAaRs incorporating the gamma 2 and what alpha subunits are diazepam insensitive

A

alpha4, 6

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14
Q

alpha, 123and5 have what residue at position 101

A

H

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15
Q

alpha123and5 have a H residue at position 1010, whereas both alpha4and 6 subunits have what residue at this position

A

R

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16
Q

autodiaography reveals the alpha 1 mutation to cause a loss of what binding

A

3H-flumazenil

17
Q

the sedative effects of diazepam are blunted in what mouse

A

alpha1H101R

18
Q

however, the sedative effects are not impaired in what mouse

A

alpha2H101R

19
Q

the anxiolytic effects of diazepam are not mediated by what GABAaRs

A

alpha1betagamma2

20
Q

the anxiolytic effects of diazepam are mediated by what GABAaRs

A

alpha2betagamma2

21
Q

diazepam (increases/decreases) the time spent in a light compartment box for alpha2H101R mouse

A

increases

22
Q

diazepam increases time spent om the open arms of the elevated plus maze
these effects (do/do not) occur in the alpha2H101R mouse
these effects (do/do not) occur in the alpha1H101R mouse

A

these effects do not occur in the alpha2H101R mouse
these effects do occur in the alpha1H101R mouse