Antibiotics And shit Flashcards

1
Q

compounds that inhibits DNA functioning

A

Flucytosine
Gryseofulvin
Pentamide isethinate

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2
Q

compounds that change membrane permeability

A

amphotericin B and nystatin
- Zoles
terbinafines

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3
Q

flucytosine

A

enters fungal cells and is deaminated to fluorouracil and reprecess pyrimidine metabolism

(not many Se)

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4
Q

griseofulvin

A

inhibits fungal cell mitosis
interacts with microtubules and disrupts mitotic spindles

binds to intracellular lipids= stunting and shrinking of fungal hyphae

(affects kidneys)

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5
Q

pentamidine isethionate

A

interferes with nuclear functions and metabolism by inhibition of dna synthesis

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6
Q

amphotericin B and nystatin

A

deplete ergosterol and don’t allow it to be incorporated into fungal cytoplasmic membranes ( amphotericin was a pesticide and has shitty side effect s)

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7
Q

all the - Zoles

A

inhibits ergosterol synthesis by preventing conversion of lanosterol to ergosterol
loss of cell membrane integriy

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8
Q

terbinafine

A

toxic accumulation of squalene that deplete ergosterol in cell membrane

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9
Q

protozoa drugs

A
antimony sodium gluconate
chloroquine
metronidazole
nifutimox
paromomycin 
propamidine
pyrimethamine sulfathiazied
suramin
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10
Q

Trematode drugs

A

praziquantel**

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11
Q

cestode drugs

A

niclosamide

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12
Q

nematode drugs

A

diethyl carbamazine
Zoles
ibermectin

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13
Q

arthropod drugs

A

Malathion

permethrins

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14
Q

antimony sodium gluconate

A

blocks energy production in protozoan cells

(metal thats harsh)*

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15
Q

chloroquine

A

inhibits hemoglobin breakdown in human RBs

iron is toxic for humans and parasites but parasite has blocking agent like in malaria

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16
Q

metronidazole and diloxanide furoate

A

inhibits dna synthesis and protein formation

17
Q

nifurtimos

A

produces high levels of hydrogen peroxide* that inhibits dna synthesis and damages protozoan cell membranes

18
Q

paromomycin

A

binds to ribosomal rna causing defective polypeptides to be produced

19
Q

propamidine

A

produces mitochondiral membrane damage in protozoan cells

20
Q

pyrimethamine sulfadiazine

A

inhibit dna synthesis and disrupt mitochondria in protozoa

21
Q

suramin

A

inhibits enzyme activity and damages intracellular compounds

22
Q

praziquantel***

A

tx trematodes

increase calcium permeability producing muscle paralysis and vacuolization/ gesticulation of the worms tegument
cestode tx too

(not many se)

23
Q

niclosamide

A

tx cestode

uncouples the oxidative phosphorylation in tapeworm mitochondria

24
Q

diethyl carbamizen

A

tx nematode

damages microfilarial membranes and immobilizes nematode larvae*

25
Q

Zoles

A

tx nematode

bund to nematode tubular and inhibits cytoplasmic microtubule formation in nematode

26
Q

ivermectin

A

increases cl permeability producing paralysis of nematode

27
Q

malathion

A

tx arthropod

neurological poison stimulates nicotinic ach receptors – resulting in muscle rigitidy

28
Q

permethrins

A

neurotoxin, prolongs sodium channel activation