opioid peptide

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opioid peptide

Endogenous opiate Any natural polypeptide neurotransmitters involved in perception of pain, response to stress, regulation of appetite, sleep, memory, learning

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Among the neurotransmitters that affect the release of gonadal secretions are endogenous opioid peptides like enkephalin, dynorphin, beta endorphins etc.

MORPHINE INHIBITS TESTOSTERONE SECRETION FROM RAT LEYDIG CELLS IN VITRO

The pharmacophore of the opioid peptides, generally the four N-terminal residues Tyr1-Gly2-Gly3-Phe4, is the 'message' responsible for the opioid activities (170) while the remainder of the sequence, or 'address', is responsible for receptor recognition (171).

Histamine-releasing and allergenic properties of opioid analgesic drugs: resolving the two

The interactions between leukocyte-derived opioid peptides and peripheral nociceptor endings carrying opioid receptors (24,25) may explain the connection of the pathophysiologic common basis of all the examined variables in our study with the pain mechanisms.

The impact of C[O.sub.2] dry baths on subpopulations of NK and NK-T lymphocytes, cytotoxic activity, level of inflammation and pain management in elderly with musculosceletal syndromes--a pilot study

The opioid peptides are some of the most widely known neuropeptides.

Communication networks in the brain: neurons, receptors, neurotransmitters, and alcohol

Endogenous opioid peptides are involved in CNS functions from development to immune modulation (52-53).

Morphine: axon regeneration, neuroprotection, neurotoxicity, tolerance, and neuropathic pain

Endogenous opioid peptides have a well-defined role in neuroendocrine system, given that regulate the activity of gonadotropin releasing neurons (GnRH) and consequently secretion of follicle stimulating hormone (FSH), luteinizing hormone (LH), gonadal steroid production and sexual behavior (RUSSELL et al.

Opioid system manipulation during testicular development: results on sperm production and sertoli cells population/ Manipulacao do sistema opioidergico durante o desenvolvimento testicular: consequencia sobre a producao espermatica e a populacao de celulas de sertoli

Pharmacological studies (Gianoulakis 2004; Oswald and Wand 2004) using subtype-specific antagonists show that the key element in opioid peptide systems involved in the positive reinforcing effects of alcohol is the [mu]-opioid receptor.

Shared mechanisms of alcohol and other drugs

A brief history of opiates, opioid peptides, and opioid receptors.

Postsurgical pain: Optimizing relief while minimizing use of opioids: Today, a 2-pronged strategy characterizes postoperative pain management: Offer analgesia with proven medical strategies, including multimodal approaches, and supported by patient education; and do this so that you curtail or avoid opioid analgesics

Bryan Fry, a researcher from the University of Queensland, Australia, said in a statement Thursday: "The fish injects other fish with opioid peptides that act like heroin or morphine, inhibiting pain rather than causing it.

This Poisonous Fish Bites Very Hard, But It Doesn't Hurt

During childhood, the LHRH surge is repressed through inhibitory signals in the hypothalamus mediated by [gamma]-aminobutyric acid and opioid peptides (Terasawa and Fernandez 2001).

Alcohol's effects on the hypothalamio--pituitary--gonadal axis during puberty

Opioid activation leads to the processing of opioid peptides from their precursor, proenkephalin and the simultaneous release of antibacterial peptides contained within the precursor as well.