Effect of morphine and naloxone on a defensive response of the mantis shrimp (Squilla mantis)

@article{Maldonado2004EffectOM,
  title={Effect of morphine and naloxone on a defensive response of the mantis shrimp (Squilla mantis)},
  author={H. Maldonado and A. Miralto},
  journal={Journal of comparative physiology},
  year={2004},
  volume={147},
  pages={455-459}
}
SummaryThe mantis shrimpSquilla mantis responds to an electrical shock with a quick and violent flexure of its body (Fig. 1 and 2). The reaction time of this defensive response was measured for each experimental shrimp and the minimal current that elicited a reaction time equal to or lesser than 0.22 s was considered as its intensity threshold (Fig. 3). Different doses of morphine-HCl were injected and results showed that this drug produces a dose-related analgesia by increasing the intensity… Expand

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References

SHOWING 1-10 OF 28 REFERENCES
Effect of naloxone and morphine on guinea pig tonic immobility.
  • R. Mucha
  • Chemistry, Medicine
  • Behavioral and neural biology
  • 1980
TLDR
The morphine effect is consistent with a role for endogenous opioid peptides in tonic immobility, however, the naloxone data indicate that μ-opiate receptor involvement is unlikely. Expand
Quantitative studies on the antagonism by naloxone of some narcotic and narcotic‐antagonist analgesics
TLDR
The results suggest that the Narcotic and the narcotic‐antagonist analgesics may inhibit stretching in this assay by interacting either with two different receptors or with the same receptor in a different manner. Expand
EFFECT OF MORPHINE ON ADRENERGIC TRANSMISSION IN THE MOUSE VAS DEFERENS. ASSESSMENT OF AGONIST AND ANTAGONIST POTENCIES OF NARCOTIC ANALGESICS
TLDR
The fact that the agonist effects of drugs with dual agonist and antagonist action show little or no dependence on concentration, makes the mouse vas deferens particularly suitable for the assay of antagonist activity. Expand
Stimulus-response relationships in a quickly learned escape from shock: Effects of morphine
TLDR
The relationship between stimulus intensity and analgesic effectiveness of morphine was investigated by means of an operant technique and it is shown that in animals, as well as in humans, the magnitude of the analgesic effect of morphine tends to increase as pain severity increases. Expand
Naloxone blockade of morphine analgesia: a dose-effect study of duration and magnitude.
TLDR
The results indicate that 1.0 mg/kg of naloxone is the minimum dose necessary to provide full blockade of the measured morphine effect for up to 5 hours after the morphine administration. Expand
Morphine potentiation of tonic immobility: Effects of naloxone, PCPA, and 5,6-DHT
TLDR
The duration of tonic immobility in chickens, a catatonic-like state produced by brief restraint, was greatly potentiated by a single 1.0 mg/kg injection of morphine, and Pretreatment with PCPA and 5,6-dihydroxytryptamine completely eliminated the morphine enhancement. Expand
Morphine effects on escape in the rhesus monkey
TLDR
It is concluded that morphine has effects on behavior which vary qualitatively between subjects and are similar to those of diazepam, and that SDT may be of limited value for assessing narcotic analgesia because of its inability to discriminate between narcotic and antianxiety drugs. Expand
In vivo hamster skeletal muscle preparation: morphine sensitive - naloxone insensitive.
TLDR
The hamster cheek pouch retractor muscle preparation has been evaluated as an assay model for morphine and the opiate antagonist, naloxone and suggested that the opiates receptors in this preparation were relatively insensitive to the drug. Expand
OPIATE BINDING AND EFFECT IN ILEUM PREPARATIONS FROM NORMAL AND MORPHINE PRETREATED GUINEA‐PIGS
TLDR
Tolerance to opiate effect was not accompanied by a change in the affinity or number of stereo‐specific binding sites for [3H]‐etorphine, and the assumption that in tolerant preparations, a certain fractional opiate receptor occupation threshold must be exceeded before opiate effects become apparent is explained. Expand
Regional sensitivity of the rat brain to the inhibitory effects of morphine on wet shake behavior.
  • E. Wei, S. Sigel, E. Way
  • Chemistry, Medicine
  • The Journal of pharmacology and experimental therapeutics
  • 1975
TLDR
It is concluded that the central inhibitory effects of morphine on shaking are subserved by discrete neuroanatomical substrates located in medial subcortical structures. Expand
...
1
2
3
...