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Local pathology of neurotoxin exposure often includes neuron excitotoxicity or apoptosis [14] but can also include glial cell damage. [15] Macroscopic manifestations of neurotoxin exposure can include widespread central nervous system damage such as intellectual disability, [5] persistent memory impairments, [16] epilepsy, and dementia. [17]
As a result, this memory favoring pathway is stopped, and the brain loses essential memory function. The loss of memory is a symptom of neurodegenerative disease, including AD. Another way Aβ causes cell death is through the phosphorylation of AKT; this occurs as the phosphate group is bound to several sites on the protein.
A monoamine neurotoxin, or monoaminergic neurotoxin, is a drug that selectively damages or destroys monoaminergic neurons. [1] Monoaminergic neurons are neurons that signal via stimulation by monoamine neurotransmitters including serotonin , dopamine , and norepinephrine .
Toxic encephalopathy is a neurologic disorder caused by exposure to neurotoxic organic solvents such as toluene, following exposure to heavy metals such as manganese, as a side effect of melarsoprol treatment for African trypanosomiasis, adverse effects to prescription drugs, or exposure to extreme concentrations of any natural toxin such as cyanotoxins found in shellfish or freshwater ...
The neurotoxin oxidopamine has first been described in 1959. Years later, in 1968 the first model exploiting oxidopamine neurotoxicity was developed by Ungerstedt, obtaining an animal model of akinesia with a very high mortality rate. Ever since, oxidopamine has become an abundantly used neurotoxin for making animal models with Parkinson's ...
Excitotoxicity can occur from substances produced within the body (endogenous excitotoxins).Glutamate is a prime example of an excitotoxin in the brain, and it is also the major excitatory neurotransmitter in the central nervous system of mammals. [14]
Neuroscientist Rachelle Summers is revealing five simple things you can do to stimulate your brain and improve your memory -- from getting eight to 10 hours of sleep a night to practicing mindfulness.
Domoic acid is a neurotoxin that inhibits neurochemical processes, causing short-term memory loss, brain damage, and, in severe cases, death in humans. In marine mammals, domoic acid typically causes seizures and tremors. Studies have shown that there are no symptomatic effects in humans at levels of 0.5 mg/kg of body weight.