Cytochrome P450 system Flashcards

(29 cards)

1
Q

Which shows most phenotypic variation

A

2D6

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2
Q

Which involved in clozapine metabolism

A

1A2

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3
Q

What does tobacco do to 1A2

A

Induces it

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4
Q

Grapefruit juice - inhibitor to what (2)

A

1A2
3A4

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5
Q

Enzymes located where in cells

A

Endoplasmic reticulum

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6
Q

Inducer or inhibitor: Smoking

A

Inducer

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7
Q

Inducer or inhibitor: Alcohol

A

Inducer

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8
Q

Inducer or inhibitor: Barbiturates (to what)

A

Inducer (1A2, phenobarbital to 3A4)

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9
Q

Inducer or inhibitor: Carbemazepine (to what)

A

Inducer (3A4)

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10
Q

Inducer or inhibitor: St John’s Wort (to what)

A

Inducer (3A4)

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11
Q

Inducer or inhibitor: Phenytoin (to what)

A

Inducer (3A4)

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12
Q

Inducer or inhibitor: Chlorpromazine

A

Inhibitor

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13
Q

Inducer or inhibitor: SSRIs

A

Inhibitor

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14
Q

Inducer or inhibitor: Grapefruit juice

A

Inhibitor

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15
Q

Clozapine
Olanzapine
Asenapine
Agomelatine
Melatonin - substrates to what

A

1A2

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16
Q

Amphetamines
Atomoxetine
Aripiprazole
Clomipramine
Fluoxetine*
Olanzapine
Risperidone
Mianserin
Imipramine
Venlafaxine
Zuclopenthixol - substrates to what

17
Q

Aripiprazole
Clonazepam
Donepazil
Fentanyl
Methadone
Mirtazapine
Quetiapine
Zopiclone - substrates to what

18
Q

Olanzapine - substrate to which 2

19
Q

Aripiprazole - substrates to which 2

20
Q

Fluvoxamine inhibits what

A

1A2 (mainly)
(To lesser extent 2D6 and 3A4)

21
Q

Fluoxetine inhibits what (2)

22
Q

Paroxetine inhibits what (2)

A

2D6
3A4

It is an autoinhibitor at 2D6

23
Q

Bupropion inhibits what

24
Q

Amitriptyline inhibits what

25
Risperidone metabolised by what
2D6
26
Zuclopenthixol metabolised by what
2D6
27
Quetiapine metabolised by what
3A4
28
Mirtazepine metabolised by what
3A4
29
Methadone and fentanyl metabolised by what
3A4