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Chemical signaling between neurons is mediated by neurotransmitters, neuropeptides, hormones, neuromodulators, and many other types of signaling molecules. Many neurological diseases arise due to an imbalance in the brain's neurochemistry. For example, in Parkinson's Disease, there is an imbalance in the brain's level of dopamine.
An antagonist is a chemical that acts within the body to reduce the physiological activity of another chemical substance (such as an opiate); especially one that opposes the action on the nervous system of a drug or a substance occurring naturally in the body by combining with and blocking its nervous receptor. [73]
Neurotrophic factors are biomolecules – nearly all of which are peptides or small proteins – that support the growth, survival, and differentiation of both developing and mature neurons. [2] [3] [4] Examples of notable neurotrophic factors include: Insulin-like growth factor-1 (IGF-1) Glial cell line-derived neurotrophic factor (GDNF)
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Astrocytes surrounding capillaries in the brain to form the blood brain barrier. This barrier creates a tight hydrophobic layer around the capillaries in the brain, inhibiting the transport of large or hydrophilic compounds. In addition to the BBB, the choroid plexus provides a layer of protection against toxin absorption in the brain.
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A study is underway in South Florida to treat Alzheimer’s disease, and hospitals are looking for patients to participate. Can treatment ‘disrupt’ Alzheimer’s in the brain? Help these ...
They should protect the brain against various physical or chemical injuries. They should increase the efficacy of the tonic cortical control mechanisms. They should lack the usual pharmacology of other psychotropic drugs (e.g. sedation, motor stimulation) and possess few adverse effects and low toxicity.