Neurochemistry

Neurochemistry - Wikipedia, the free encyclopedia
Neurochemistry is the branch of neuroscience devoted to the study of neurochemicals. ... The founding of neurochemistry as a discipline traces it origins to a ...
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neurochemistry: Definition from Answers.com
neurochemistry n. The study of the chemical composition and processes of the nervous system and the effects of chemicals on it
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Category:Neurochemistry - Wikipedia, the free encyclopedia
Neurochemistry. Neuromodulation. Neuroproteomics. Neurotransmitter. Neurotrophic factors ... Retrieved from "http://en.wikipedia.org/wiki/Category:Neurochemistry" ...
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Neurochemistry is the branch of neuroscience devoted to the study of neurochemicals. A neurochemical is an Organic chemistry molecule that participates in neural activity. This term is often used to refer to neurotransmitters and other molecules such as neuro-active drugs that influence neuron function.

History The founding of neurochemistry as a discipline traces it origins to a series of "International Neurochemical Symposia", of which the first symposium volume published in 1954 was titled Biochemistry of the Developing Nervous System. These meetings led to the formation of the International Society for Neurochemistry and the American Society for Neurochemistry. These early gatherings discussed the tentative nature of possible synaptic transmitter substances such as acetylcholine, histamine, substance P, and serotonin. By 1972, ideas were more concrete. Neurochemicals such as norepinephrine, dopamine, and serotonin were classified as "putative neurotransmitters in certain neuronal tracts in the brain."

Examples of neurochemicals

The neuropeptide oxytocin. Oxytocin is involved in the control of maternal behavior. It is synthesized inside magnocellular neurosecretory cells as a precursor protein that is processed by Protease to its shorter active peptide form. Specific List of regions in the human brain such as the supraoptic nucleus produce oxytocin which acts on cells in locations such as the ventral pallidum to produce the behavioral effects of oxytocin. A large amount of oxytocin is made in the hypothalamus, transported to the posterior lobe of the pituitary and released into the blood stream by which it reaches target tissues such as the mammary glands (Breastfeeding). In the diagram inset, oxytocin is shown bound to a carrier protein, neurophysin.
Other examples of neurochemicals

Glutamate is the most common neurotransmitter. Most neurons secrete with glutamate or GABA. Glutamate is excitatory, meaning that the release of glutamate by one cell usually causes adjacent cells to fire an action potential. (Note: Glutamate is chemically identical to the MSG commonly used to flavor Chinese food.)
GABA is an example of an inhibitory neurotransmitter.
Dopamine is another example of a neurotransmitter. It plays a key role in the functioning of the limbic system, which is involved in emotional function and control.
Serotonin plays a regulatory role in mood, sleep, and other areas.
Acetylcholine assists motor function.
Nitric oxide functions as a neurotransmitter, despite being a gas. It is not grouped with the other neurotransmitters because it is not released in the same way.