Aggrawal A (May 1, 1995). "Opium: the king of narcotics". Opioids: past, present and future. BLTC Research. Archived from the original on May 26, 2012. Retrieved December 29, 2013.
Janecka A, Fichna J, Janecki T (2004). "Opioid receptors and their ligands". Current Topics in Medicinal Chemistry. 4 (1): 1–17. doi:10.2174/1568026043451618. PMID14754373.
Terenius L (1973). "Stereospecific interaction between narcotic analgesics and a synaptic plasm a membrane fraction of rat cerebral cortex". Acta Pharmacologica et Toxicologica. 32 (3): 317–20. doi:10.1111/j.1600-0773.1973.tb01477.x. PMID4801733.
Stein C, Schäfer M, Machelska H (August 2003). "Attacking pain at its source: new perspectives on opioids". Nature Medicine. 9 (8): 1003–8. doi:10.1038/nm908. PMID12894165. S2CID25453057.
Portoghese PS, Lunzer MM (April 2003). "Identity of the putative delta1-opioid receptor as a delta-kappa heteromer in the mouse spinal cord". European Journal of Pharmacology. 467 (1–3): 233–4. doi:10.1016/s0014-2999(03)01599-1. PMID12706480.
Akil H, Owens C, Gutstein H, Taylor L, Curran E, Watson S (1999). "Endogenous opioids: overview and current issues". Drug and Alcohol Dependence. 51 (1–2): 127–40. doi:10.1016/s0376-8716(98)00071-4. PMID9716935.
Tuominen L, Salo J, Hirvonen J, Någren K, Laine P, Melartin T, et al. (July 2012). "Temperament trait Harm Avoidance associates with μ-opioid receptor availability in frontal cortex: a PET study using [(11)C]carfentanil". NeuroImage. 61 (3): 670–6. doi:10.1016/j.neuroimage.2012.03.063. PMID22484309. S2CID26046363.
Cruz-Gordillo P, Fedrigo O, Wray GA, Babbitt CC (2010). "Extensive changes in the expression of the opioid genes between humans and chimpanzees". Brain, Behavior and Evolution. 76 (2): 154–62. doi:10.1159/000320968. PMID21079395. S2CID252466.
Mizoguchi H, Narita M, Nagase H, Tseng LF (October 2000). "Activation of G-proteins in the mouse pons/medulla by beta-endorphin is mediated by the stimulation of mu- and putative epsilon-receptors". Life Sciences. 67 (22): 2733–43. doi:10.1016/S0024-3205(00)00852-3. PMID11105989.
Zagon IS, Verderame MF, Allen SS, McLaughlin PJ (February 2000). "Cloning, sequencing, chromosomal location, and function of cDNAs encoding an opioid growth factor receptor (OGFr) in humans". Brain Research. 856 (1–2): 75–83. doi:10.1016/S0006-8993(99)02330-6. PMID10677613. S2CID37516655.
Zagon IS, Verderame MF, McLaughlin PJ (February 2002). "The biology of the opioid growth factor receptor (OGFr)". Brain Research. Brain Research Reviews. 38 (3): 351–76. doi:10.1016/S0165-0173(01)00160-6. PMID11890982. S2CID37812525.
Wüster M, Schulz R, Herz A (December 1979). "Specificity of opioids towards the mu-, delta- and epsilon-opiate receptors". Neuroscience Letters. 15 (2–3): 193–8. doi:10.1016/0304-3940(79)96112-3. PMID231238. S2CID53251283.
Fujii H, Narita M, Mizoguchi H, Murachi M, Tanaka T, Kawai K, et al. (August 2004). "Drug design and synthesis of epsilon opioid receptor agonist: 17-(cyclopropylmethyl)-4,5alpha-epoxy-3,6beta-dihydroxy-6,14-endoethenomorphinan-7alpha-(N-methyl-N-phenethyl)carboxamide (TAN-821) inducing antinociception mediated by putative epsilon opioid receptor". Bioorganic & Medicinal Chemistry. 12 (15): 4133–45. doi:10.1016/j.bmc.2004.05.024. PMID15246090.
Fujii H, Nagase H (2006). "Rational drug design of selective epsilon opioid receptor agonist TAN-821 and antagonist TAN-1014". Current Medicinal Chemistry. 13 (10): 1109–18. doi:10.2174/092986706776360851. PMID16719773.
Contet C, Matifas A, Kieffer BL (May 2004). "No evidence for G-protein-coupled epsilon receptor in the brain of triple opioid receptor knockout mouse". European Journal of Pharmacology. 492 (2–3): 131–6. doi:10.1016/j.ejphar.2004.03.056. PMID15178356.
Janecka A, Fichna J, Janecki T (2004). "Opioid receptors and their ligands". Current Topics in Medicinal Chemistry. 4 (1): 1–17. doi:10.2174/1568026043451618. PMID14754373.
Terenius L (1973). "Stereospecific interaction between narcotic analgesics and a synaptic plasm a membrane fraction of rat cerebral cortex". Acta Pharmacologica et Toxicologica. 32 (3): 317–20. doi:10.1111/j.1600-0773.1973.tb01477.x. PMID4801733.
Stein C, Schäfer M, Machelska H (August 2003). "Attacking pain at its source: new perspectives on opioids". Nature Medicine. 9 (8): 1003–8. doi:10.1038/nm908. PMID12894165. S2CID25453057.
Portoghese PS, Lunzer MM (April 2003). "Identity of the putative delta1-opioid receptor as a delta-kappa heteromer in the mouse spinal cord". European Journal of Pharmacology. 467 (1–3): 233–4. doi:10.1016/s0014-2999(03)01599-1. PMID12706480.
Akil H, Owens C, Gutstein H, Taylor L, Curran E, Watson S (1999). "Endogenous opioids: overview and current issues". Drug and Alcohol Dependence. 51 (1–2): 127–40. doi:10.1016/s0376-8716(98)00071-4. PMID9716935.
Tuominen L, Salo J, Hirvonen J, Någren K, Laine P, Melartin T, et al. (July 2012). "Temperament trait Harm Avoidance associates with μ-opioid receptor availability in frontal cortex: a PET study using [(11)C]carfentanil". NeuroImage. 61 (3): 670–6. doi:10.1016/j.neuroimage.2012.03.063. PMID22484309. S2CID26046363.
Cruz-Gordillo P, Fedrigo O, Wray GA, Babbitt CC (2010). "Extensive changes in the expression of the opioid genes between humans and chimpanzees". Brain, Behavior and Evolution. 76 (2): 154–62. doi:10.1159/000320968. PMID21079395. S2CID252466.
Mizoguchi H, Narita M, Nagase H, Tseng LF (October 2000). "Activation of G-proteins in the mouse pons/medulla by beta-endorphin is mediated by the stimulation of mu- and putative epsilon-receptors". Life Sciences. 67 (22): 2733–43. doi:10.1016/S0024-3205(00)00852-3. PMID11105989.
Zagon IS, Verderame MF, Allen SS, McLaughlin PJ (February 2000). "Cloning, sequencing, chromosomal location, and function of cDNAs encoding an opioid growth factor receptor (OGFr) in humans". Brain Research. 856 (1–2): 75–83. doi:10.1016/S0006-8993(99)02330-6. PMID10677613. S2CID37516655.
Zagon IS, Verderame MF, McLaughlin PJ (February 2002). "The biology of the opioid growth factor receptor (OGFr)". Brain Research. Brain Research Reviews. 38 (3): 351–76. doi:10.1016/S0165-0173(01)00160-6. PMID11890982. S2CID37812525.
Wüster M, Schulz R, Herz A (December 1979). "Specificity of opioids towards the mu-, delta- and epsilon-opiate receptors". Neuroscience Letters. 15 (2–3): 193–8. doi:10.1016/0304-3940(79)96112-3. PMID231238. S2CID53251283.
Fujii H, Narita M, Mizoguchi H, Murachi M, Tanaka T, Kawai K, et al. (August 2004). "Drug design and synthesis of epsilon opioid receptor agonist: 17-(cyclopropylmethyl)-4,5alpha-epoxy-3,6beta-dihydroxy-6,14-endoethenomorphinan-7alpha-(N-methyl-N-phenethyl)carboxamide (TAN-821) inducing antinociception mediated by putative epsilon opioid receptor". Bioorganic & Medicinal Chemistry. 12 (15): 4133–45. doi:10.1016/j.bmc.2004.05.024. PMID15246090.
Fujii H, Nagase H (2006). "Rational drug design of selective epsilon opioid receptor agonist TAN-821 and antagonist TAN-1014". Current Medicinal Chemistry. 13 (10): 1109–18. doi:10.2174/092986706776360851. PMID16719773.
Contet C, Matifas A, Kieffer BL (May 2004). "No evidence for G-protein-coupled epsilon receptor in the brain of triple opioid receptor knockout mouse". European Journal of Pharmacology. 492 (2–3): 131–6. doi:10.1016/j.ejphar.2004.03.056. PMID15178356.
Yamada M, Inanobe A, Kurachi Y (December 1998). "G protein regulation of potassium ion channels". Pharmacological Reviews. 50 (4): 723–60. PMID9860808.
Aggrawal A (May 1, 1995). "Opium: the king of narcotics". Opioids: past, present and future. BLTC Research. Archived from the original on May 26, 2012. Retrieved December 29, 2013.
Stein C, Schäfer M, Machelska H (August 2003). "Attacking pain at its source: new perspectives on opioids". Nature Medicine. 9 (8): 1003–8. doi:10.1038/nm908. PMID12894165. S2CID25453057.
Tuominen L, Salo J, Hirvonen J, Någren K, Laine P, Melartin T, et al. (July 2012). "Temperament trait Harm Avoidance associates with μ-opioid receptor availability in frontal cortex: a PET study using [(11)C]carfentanil". NeuroImage. 61 (3): 670–6. doi:10.1016/j.neuroimage.2012.03.063. PMID22484309. S2CID26046363.
Cruz-Gordillo P, Fedrigo O, Wray GA, Babbitt CC (2010). "Extensive changes in the expression of the opioid genes between humans and chimpanzees". Brain, Behavior and Evolution. 76 (2): 154–62. doi:10.1159/000320968. PMID21079395. S2CID252466.
Zagon IS, Verderame MF, Allen SS, McLaughlin PJ (February 2000). "Cloning, sequencing, chromosomal location, and function of cDNAs encoding an opioid growth factor receptor (OGFr) in humans". Brain Research. 856 (1–2): 75–83. doi:10.1016/S0006-8993(99)02330-6. PMID10677613. S2CID37516655.
Zagon IS, Verderame MF, McLaughlin PJ (February 2002). "The biology of the opioid growth factor receptor (OGFr)". Brain Research. Brain Research Reviews. 38 (3): 351–76. doi:10.1016/S0165-0173(01)00160-6. PMID11890982. S2CID37812525.
Wüster M, Schulz R, Herz A (December 1979). "Specificity of opioids towards the mu-, delta- and epsilon-opiate receptors". Neuroscience Letters. 15 (2–3): 193–8. doi:10.1016/0304-3940(79)96112-3. PMID231238. S2CID53251283.