Chefer V. I., Kieffer B., Shippenberg T. S. (2004). Contrasting effects of mu opioid receptor and delta opioid receptor deletion upon the behavioral and neurochemical effects of cocaine, Neuroscience, 127(2), 497-503. Find out more.

Contet C., Kieffer B., Befort K. (2004). Mu opioid receptor: a gateway to drug addiction, Curr Opin Neurobiol, 14(3), 370-8. Find out more.

Contet C., Matifas A., Kieffer B. (2004). No evidence for G-protein-coupled epsilon receptor in the brain of triple opioid receptor knockout mouse, Eur J Pharmacol, 492(2-3), 131-6. Find out more.

Dierich A., Kieffer B. (2004). Knockout mouse models in pain research, Methods Mol Med, 99, 269-99. Find out more.

Garcia-Sevilla J. A., Ferrer-Alcon M., Martin M., Kieffer B., Maldonado R. (2004). Neurofilament proteins and cAMP pathway in brains of mu-, delta- or kappa-opioid receptor gene knock-out mice: effects of chronic morphine administration, Neuropharmacology, 46(4), 519-30. Find out more.

Gouarderes C., Kieffer B., Zajac J. M. (2004). Opposite alterations of NPFF1 and NPFF2 neuropeptide FF receptor density in the triple MOR/DOR/KOR-opioid receptor knockout mouse brains, J Chem Neuroanat, 27(2), 119-28. Find out more.

Moles A., Kieffer B., D'Amato F. R. (2004). Deficit in attachment behavior in mice lacking the mu-opioid receptor gene, Science, 304(5679), 1983-6. Find out more.

Robledo P., Mendizabal V., Ortuno J., de la Torre R., Kieffer B., Maldonado R. (2004). The rewarding properties of MDMA are preserved in mice lacking mu-opioid receptors, Eur J Neurosci, 20(3), 853-8. Find out more.

Scherrer G., Befort K., Contet C., Becker J., Matifas A., Kieffer B. (2004). The delta agonists DPDPE and deltorphin II recruit predominantly mu receptors to produce thermal analgesia: a parallel study of mu, delta and combinatorial opioid receptor knockout mice, Eur J Neurosci, 19(8), 2239-48. Find out more.

Simonin F., Karcher P., Boeuf J. J., Matifas A., Kieffer B. (2004). Identification of a novel family of G protein-coupled receptor associated sorting proteins, J Neurochem, 89(3), 766-75. Find out more.

Walwyn W. M., Keith D. E., Wei W., Tan A. M., Xie C. W., Evans C. J., Kieffer B., Maidment N. T. (2004). Functional coupling, desensitization and internalization of virally expressed mu opioid receptors in cultured dorsal root ganglion neurons from mu opioid receptor knockout mice, Neuroscience, 123(1), 111-21. Find out more.

Wang D., Raehal K. M., Lin E. T., Lowery J. J., Kieffer B., Bilsky E. J., Sadee W. (2004). Basal signaling activity of mu opioid receptor in mouse brain: role in narcotic dependence, J Pharmacol Exp Ther, 308(2), 512-20. Find out more.