منابع مشابه
Opioid receptors
centuries, both in amedicinal and ‘recreational’ manner. Indeed, findings of fossilized opium poppy seeds dating as far back as 30 000 yr ago suggest the use of opium by Neanderthal man. In 1799, Friedrich Serturner discovered the major active ingredient of opium, which he named morphine and opioid pharmacology was born. Morphine and its derivates are used today for the treatment of acute and c...
متن کاملOpioid Receptors of the Central Amygdala and Morphine-Induced Antinociception
The amygdala is a forebrain region, which is known as a modulator of pain sensation. The amygdala, particularly the central nucleus, has high concentrations of enkephalins relative to dynorphins and has high concentrations of opioid receptors. We here studied the role of central nuclei of amygdala in morphine antinociception. Methods: In this study, we used 130 male Wistar rats (200- 250g). Bil...
متن کاملOpioid Receptors Gene Polymorphism and Heroin Dependence in Iran
Introduction: Genes often have multiple polymorphisms that interact with each other and the environment in different individuals. Variability in the opioid receptors can influence opiate withdrawal and dependence. In humans, A118G Single Nucleotide Polymorphisms (SNP) on μ-Opioid Receptor (MOR), 36 G>T in κ-Opioid Receptor (KOR), and T921C in the δ-Opioid Receptor (DOR) have been...
متن کاملEvolution of vertebrate opioid receptors.
The opioid peptides and receptors have prominent roles in pain transmission and reward mechanisms in mammals. The evolution of the opioid receptors has so far been little studied, with only a few reports on species other than tetrapods. We have investigated species representing a broader range of vertebrates and found that the four opioid receptor types (delta, kappa, mu, and NOP) are present i...
متن کاملMolecular biology of opioid receptors.
Opium and its derivatives are potent analgesics that also have many other pharmacological effects in the nervous system. These agents and the endogenous opioid peptides exert their effects by interacting with high-affinity receptors. Complementary DNAs encoding the delta, kappa and mu opioid receptors have been isolated and characterized. These receptors, which are members of the superfamily of...
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ژورنال
عنوان ژورنال: Japanese Journal of Pharmacology
سال: 1985
ISSN: 0021-5198
DOI: 10.1016/s0021-5198(19)63270-1