Endogenous opioid
Involvement of Endogenous Opioid System in Swim Stress-Induced Pain Modulation During the Interphase of the Formalin Test
... This endogenous pain inhibi- tory systems (Bodnar et ...the endogenous opioid system with naloxone or naltrexone attenuates the nociceptive behavioral responses following exposure to stress, sup- ...
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Colantuoni - 2002 - Evidence that intermittent, excessive sugar intake causes endogenous opioid dependence.pdfView Download
... which endogenous opioid peptides mediate an addiction to ...intense opioid and DA activation during intermittent overingestion of palatable food sensi- tizes reinforcement systems on a background of ...
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Cytotoxic T cells modulate inflammation and endogenous opioid analgesia in chronic arthritis
... that endogenous opioid-mediated analgesia depends on CD4 + T lympho- cytes [18, ...impaired opioid system function in the absence of CD8 + ...
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In Vivo Regulation of the μ Opioid Receptor: Role of the Endogenous Opioid Agents
... μ opioid receptor from zebrafish (dre-oprm1) binds endogenous peptides (Met-ENK–derived peptides and β -END) and morphine with similar ...the endogenous opioid system can be modulated by ...
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Activation of endogenous opioid gene expression in human keratinocytes and fibroblasts by pulsed radiofrequency energy fields
... in endogenous opioid precursor mRNA (Figure 3A) and secreted opioid peptides (Figure 3B and C), an effect that, in most cases, was dependent on endothelin receptors (Figure ...
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Endorphinergic Attenuation of Distress by Concomitantly Enhancing Endogenous Opioid Release and Switching Opioid Receptor Signaling from an Excessively Excitatory to a Normal Inhibitory Mode
... an Opioid Re- ceptor Switcher produces increased pain tolerance by enhancing inhibitory opioid receptor signaling by en- dogenous rather than exogenous opioids (Section ...an Opioid Receptor Switcher ...
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Antinociceptive tolerance to NSAIDs in the anterior cingulate cortex is mediated via endogenous opioid mechanism
... reached, animals were tested for antinociception using the tail-flick (TF) and hot plate (HP) tests. For the TF test, the distal part of the tail was stimulated with a light beam and the latency measured until the tail ...
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Thioperamide-induced Antinociception is Mediated through Endogenous Opioid System in the Dentate Gyrus of Adult Rats
... roles in modulation of excitatory synaptic transmission, information flow and memory consolidation. 4-6 On the other hand, opioid receptors are expressed in the hippocampal formation (i.e., the hippocampus and the ...
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Central analgesic effects of the non steroidal anti inflammatory drugs : a thesis presented in partial fulfilment of the requirements for the degree of Master of Veterinary Science in Veterinary Pharmacology at Massey University
... Therefore, activation of supraspinal centres to enhance the release of endogenous opioid peptides and noradrenaline that, in turn, act on spinal sensory neurones to produce hypoalgesia s[r] ...
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1-s2.0-S016561471600002X-main.pdf
... of Opioid Peptides In Vivo Extending these conditional approaches for examining receptor function within discrete cell types have been efforts to develop conditional KO mice for each endogenous ...
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Sex Differences In Μ-Opioid Regulation Of The Rat Locus Coeruleus
... The endogenous opioid dynorphin (DYN) has afferents to the LC that arise from the CNA (Reyes et al, 2008), which project onto κ-opioid receptors (KORs) that are located pre-synaptically in axon ...
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Opioid mediated suppression of interferon gamma production by cultured peripheral blood mononuclear cells
... the endogenous opioid beta-endorphin (beta-END), a pituitary peptide released in increased concentrations during stress, can suppress the production of the key macrophage-activating lymphokine ...
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Effects of Ethanol and Naltrexone in a Model of Traumatic Brain Injury With Hemorrhagic Shock
... 1987). Endogenous opioid concen- trations are increased in brain tissue and cerebrospinal fluid after TBI in animal models, and opiate receptor an- tagonist agents have improved neurological outcome and ...
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Chronic morphine use does not induce peripheral tolerance in a rat model of inflammatory pain
... preserved. Opioid receptor trafficking and signaling were reduced, and tolerance was restored when endogenous opioid peptides in inflamed tissue were removed by antibodies or by depleting ...
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CURRENT KNOWLEDGE AND FUTURE TRENDS OF ENDOGENOUS OPIOIDS: THEIR PHYSIOLOGICAL ROLE AND RECEPTORS
... Four types of endorphins are created in the human body. They are named alpha (α), beta (β), gamma (γ) and sigma (σ) endorphins. [9] The four types have different numbers and types of amino acids in their molecules; they ...
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Opioid chronopharmacology: influence of timing of infusion on fentanyl’s analgesic efficacy in healthy human volunteers
... and opioid systems or an indirect effect via diurnal variations in hormones or endogenous opioid peptides that rhythmically change the pain response and/or analgesic response to ...
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Activation of spinal nociceptin receptors induces cardiovascular depression and antinociception in an independent manner in mice
... this endogenous opioid peptide elicits its cardiovascular depressive effects by act- ing on the baroreflex-mediated sympathetic vasomotor tone and cardiac vagal baroreflex, and whether the concurrently ...
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The neuroendocrine paraventricular hypothalamus: receptors, signal transduction, mRNA and neurosecretion
... Studies with endogenous opioid peptides In addition to the immunocytochemical evidence for co-localization of opioid peptides in magnocellular cells which project into the neural lobe, M[r] ...
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POFA trial study protocol: a multicentre, double-blind, randomised, controlled clinical trial comparing opioid-free versus opioid anaesthesia on postoperative opioid-related adverse events after major or intermediate non-cardiac surgery
... anaesthesia as well as hypnotics and muscle relaxants. Synthetic opioids were introduced to achieve haemodynamic stability during anaesthesia. They allow an inhibition of the sympathetic system without cardiovascular ...
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Analysis of opioid-mediated analgesia in Phase III studies of methylnaltrexone for opioid-induced constipation in patients with chronic noncancer pain
... Methods: Opioid use, pain intensity, and opioid withdrawal (Objective Opioid Withdrawal Scale [OOWS] and Subjective Opiate Withdrawal Scale [SOWS] scores) were reported in a randomized, double-blind ...
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