neurotoxicity and neurotoxic compounds Flashcards

1
Q

What is the purpose of neurotransmitter?

A

chemical messenger, that transmits sygnals across synapse (gap between two neurons) to communicate between nerve cells .

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2
Q

Name 2 neurotransmitters

A

Acetylcholine, noradrenaline

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3
Q

What can be the effects of neurotoxic actions?

A

Supression (slowing down the nerve comunication): toluene, chloroform, dichloromethane diethyl ether

Stimulation, excitation: leads to muscle contractions (strychnine,
organophoshates), excessive vigilance (The state of being alerT) (amphetamines,
cathinones, cocaine)

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4
Q

Name examples of neurotoxins

A

Hexane, CS2, acrylamide, tetrodotoxin.

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5
Q

What is cholinesterase?

A

Cholinesterase is an enzyme, which cleaves the neurotransmitters acetylcholine
and thereby stops its effect after the signal was transducted.

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6
Q

What are examples of cholinesterase inhibitors?

A

sarin, VX -the most toxic compounds

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7
Q

What are adrenaline, noradrenaline, dopamine?

A

neurotransmitters

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8
Q

What are amphetamine, methamphetamine?

A

stimulants

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9
Q

What is VTA?

A

ventral tegmental area, It plays a crucial role in the brain’s reward system and is involved in several important functions, including motivation, pleasure, reward, learning, and addiction.

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