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In this study, we investigated the role of orexinergic systems in dopamine-related behaviors induced by the mu-opioid receptor agonist morphine in rodents. Extensive coexpression of tyrosine hydroxylase with orexin receptors was observed in the mouse ventral tegmental area (VTA). The levels of dopamine and its major metabolites in the nucleus accumbens were(More)
We recently reported that micro-opioid receptor agonist morphine failed to induce its rewarding effects in rodents with sciatic nerve injury. In the present study, we investigated whether a state of neuropathic pain induced by sciatic nerve ligation could change the activities of the extracellular signal-regulated kinase (ERK) and p38 in the mouse lower(More)
It has been widely accepted that repeated administration of kappa-opioid receptor agonists leads to the development of antinociceptive tolerance. The present study was designed to investigate the effect of repeated administration of a selective kappa-opioid receptor agonist (1S-trans)-3,4-dichloro-N-methyl-N-[2-(1-pyrrolidinyl)cyclohexyl]-benzeneacetamide(More)
Recently, it has been reported that both thrombin-sensitive protease-activated receptor 1 (PAR-1) and platelet-derived growth factor (PDGF) are present not only in platelets, but also in the CNS, which indicates that they have various physiological functions. In this study, we evaluated whether PAR-1/PDGF in the spinal cord could contribute to the(More)
The present study was designed to investigate the effect of repeated administration of a selective kappa-opioid receptor agonist (1S-trans)-3,4-dichloro-N-methyl-N-[2-(1-pyrrolidinyl)cyclohexyl]-benzeneacetamide hydrochloride [(-)U-50,488H] on antinociception and G-protein activation induced by mu-opioid receptor agonists in mice. A single s.c. injection of(More)
Abstrak : Chronic pain, such as inflammatory pain, is difficult to manage. N-Methyl-D-Aspartate (NMDA) receptor is akey molecule involved in the pain pathway and sensitization. The present study was design to investigate the efficacyof a novel potent non-competitive NMDA receptor antagonist, MK-801, in relieving inflammatory pain in mice. Amodel of(More)
  • Aprila Fifteen, Fajrin, Junaidi Khotib, Imam Susilo, Bagian Farmasi Klinik, Dan Komunitas +8 others
  • 2014
Pain is a multidimentional experience, generally most of chronic disease followed by pain incidence. Chronic pain can be caused by inflammation or neuropathic condition and change the imbalance of N-methyl-D-aspartate receptor 2B (NR2B) subunit. This research was an observation of the influence of gabapentin and baclofen to dorsal horn histology in(More)
  • Imam Susilo, Lisa Gondo, Rahmad Aji, Bambang Sz, Junaidi Khotib, Departemen Patologi Anatomi +4 others
  • 2011
Chronic pain, such as inflammatory pain, is difficult to manage. N-Methyl-D-Aspartate (NMDA) receptor is a key molecule involved in the pain pathway and sensitization. The present study was design to investigate the efficacy of a novel potent non-competitive NMDA receptor antagonist, MK-801, in relieving inflammatory pain in mice. A model of inflammatory(More)
Multiple changes occur in the aging brain, leading to age-related emotional disorders. A growing body of recent evidence suggests that the cortical delta-opioid receptor system plays a critical role in anxiety- and depressive-like behaviors in the rodent. In this study, we show that aging mice promoted anxiety-like behaviors as characterized by both the(More)
The management of excessive adverse effects of opioids is a major clinical problem. The present study was undertaken to investigate the effect of a selective gamma-aminobutyric acid (GABA)(B) receptor agonist baclofen on the mu-opioid receptor agonist-induced antinociceptive, emetic and rewarding effects. Either morphine or fentanyl produced a(More)