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 (no͝or′ō-pĕp′tīd, nyo͝or′-)
Any of various short-chain peptides found in brain tissue, such as endorphins.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Biochemistry) a peptide produced by neural tissue, esp one with hormonal activity
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌnʊər oʊˈpɛp taɪd, ˌnyʊər-)

any of various short-chain peptides, as endorphins, that influence neural activity and function as hormones in the endocrine system.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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A cannabis-infused serum, it's packed with hyaluronic acid and niacinamide along with neuropeptides to relax signs of stress on the skin and hydrate.
One of these neuropeptides is nesfatin-1, which was identified in 2006 as an anorexigenic neuropeptide; nesfatin-1 is an 82 amino acids peptide derived from the precursor hypothalamic protein; nucleobindin-2 (NUCB2) by posttranslational modification.
Noble Egekwu, Daniel E Sonenshine, and their team, published in the journal Insect Molecular Biology (2016 25: 72-92), they reported that "Illumina GAII high-throughput sequencing was used to compare expressed genes for female synganglion neuropeptides, neuropeptide receptors and neurotransmitter receptors of the soft tick Ornithodoros turicata with the hard tick Ixodes scapularis."
'Neuropeptides are small, protein-like molecules used by neurons (i.e.
There are also other monoamines (serotonin and noradrenaline) and neuropeptides (cholecystokinin) which have been associated with panic disorder as well (2).
The study also shows that these chemicals--small proteins called neuropeptides that regulate neural activity--each control a different sleep behavior, such as the suppression of feeding or movement.
Subsequently, studies in knockout rodents have identified many neuropeptides that are involved in the regulation of food intake and body weight, i.e., neuropeptides that are regulated by nutritional state and can influence food intake and/or energy expenditure.
Insulin treatment suppresses AgRP neuron firing of electrical impulses and expression of AgRP neuropeptides.
Herzog, "Compensatory changes in [125I]-PYY binding in Y receptor knockout mice suggest the potential existence of further Y receptor(s)," Neuropeptides, vol.