Christoph Stein - Publications

Affiliations: 
Free University of Berlin 

82 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2023 Degro CE, Jiménez-Vargas NN, Tsang Q, Yu Y, Guzman-Rodriguez M, Alizadeh E, Hurlbut D, Reed DE, Lomax AE, Stein C, Bunnett NW, Vanner SJ. Evolving acidic microenvironments during colitis provide selective analgesic targets for a pH-sensitive opioid. Pain. PMID 37326658 DOI: 10.1097/j.pain.0000000000002956  0.546
2023 Celik MÖ, Seitz V, Yergöz F, Dembla S, Blum NK, Schulz S, Stein C. Modulation of G-protein activation, calcium currents and opioid receptor phosphorylation by the pH-dependent antinociceptive agonist NFEPP. Frontiers in Molecular Neuroscience. 16: 1171855. PMID 37251645 DOI: 10.3389/fnmol.2023.1171855  0.478
2023 Thies A, Sunkara V, Ray S, Wulkow H, Celik MÖ, Yergöz F, Schütte C, Stein C, Weber M, Winkelmann S. Modelling altered signalling of G-protein coupled receptors in inflamed environment to advance drug design. Scientific Reports. 13: 607. PMID 36635362 DOI: 10.1038/s41598-023-27699-w  0.306
2022 Celik MÖ, Negrete R, Di Rosso R, Machelska H, Stein C. Amelioration of injury-induced tissue acidosis by a nonsteroidal analgesic attenuates antinociceptive effects of the pH-dependent opioid agonist NFEPP. Scientific Reports. 12: 15172. PMID 36071140 DOI: 10.1038/s41598-022-19568-9  0.65
2021 Jiménez-Vargas NN, Yu Y, Jensen DD, Bok DD, Wisdom M, Latorre R, Lopez C, Jaramillo-Polanco JO, Degro C, Guzman-Rodriguez M, Tsang Q, Snow Z, Schmidt BL, Reed DE, Lomax AE, ... ... Stein C, et al. Agonist that activates the µ-opioid receptor in acidified microenvironments inhibits colitis pain without side effects. Gut. PMID 33785555 DOI: 10.1136/gutjnl-2021-324070  0.584
2020 Baamonde A, Menéndez L, González-Rodríguez S, Lastra A, Seitz V, Stein C, Machelska H. A low pKa ligand inhibits cancer-associated pain in mice by activating peripheral mu-opioid receptors. Scientific Reports. 10: 18599. PMID 33122720 DOI: 10.1038/s41598-020-75509-4  0.625
2020 Massaly N, Temp J, Machelska H, Stein C. Uncovering the analgesic effects of a pH-dependent mu-opioid receptor agonist using a model of non-evoked ongoing pain. Pain. PMID 32639370 DOI: 10.1097/j.pain.0000000000001968  0.523
2020 Lešnik S, Hodošček M, Bren U, Stein C, Bondar AN. Potential Energy Function for Fentanyl-Based Opioid Pain Killers. Journal of Chemical Information and Modeling. PMID 32491854 DOI: 10.1021/acs.jcim.0c00185  0.571
2020 Stein C. Opioid analgesia: recent developments. Current Opinion in Supportive and Palliative Care. 14: 112-117. PMID 32304400 DOI: 10.1097/SPC.0000000000000495  0.567
2020 Del Vecchio G, Labuz D, Temp J, Seitz V, Kloner M, Negrete R, Rodriguez-Gaztelumendi A, Weber M, Machelska H, Stein C. Author Correction: pK of opioid ligands as a discriminating factor for side effects. Scientific Reports. 10: 4366. PMID 32127599 DOI: 10.1038/s41598-020-61224-7  0.433
2019 Del Vecchio G, Labuz D, Temp J, Seitz V, Kloner M, Negrete R, Rodriguez-Gaztelumendi A, Weber M, Machelska H, Stein C. pK of opioid ligands as a discriminating factor for side effects. Scientific Reports. 9: 19344. PMID 31852967 DOI: 10.1038/s41598-019-55886-1  0.713
2019 Stein C, Kopf A. Pain therapy - Are there new options on the horizon? Best Practice & Research. Clinical Rheumatology. 33: 101420. PMID 31703793 DOI: 10.1016/j.berh.2019.06.002  0.545
2019 Meyer J, Del Vecchio G, Seitz V, Massaly N, Stein C. Modulation of mu-opioid receptor activation by acidic pH is dependent on ligand structure and an ionizable amino acid residue. British Journal of Pharmacology. PMID 31355457 DOI: 10.1111/bph.14810  0.516
2018 Stein C. New concepts in opioid analgesia. Expert Opinion On Investigational Drugs. PMID 30148648 DOI: 10.1080/13543784.2018.1516204  0.517
2018 Rodriguez-Gaztelumendi A, Spahn V, Labuz D, Machelska H, Stein C. Analgesic Effects of A Novel Ph-Dependent μ-Opioid Receptor Agonist in Models of Neuropathic and Abdominal Pain. Pain. PMID 29994988 DOI: 10.1097/j.pain.0000000000001328  0.692
2018 Spahn V, Del Vecchio G, Rodriguez-Gaztelumendi A, Temp J, Labuz D, Kloner M, Reidelbach M, Machelska H, Weber M, Stein C. Opioid receptor signaling, analgesic and side effects induced by a computationally designed pH-dependent agonist. Scientific Reports. 8: 8965. PMID 29895890 DOI: 10.1038/s41598-018-27313-4  0.675
2018 Jacobi CLJ, Stein C. Inflammatory-linked changes in CpG island methylation of three opioid peptide genes in a rat model for pain. Plos One. 13: e0191698. PMID 29352321 DOI: 10.1371/journal.pone.0191698  0.315
2017 González-Rodríguez S, Quadir MA, Gupta S, Walker KA, Zhang X, Spahn V, Labuz D, Rodriguez-Gaztelumendi A, Schmelz M, Joseph J, Parr MK, Machelska H, Haag R, Stein C. Polyglycerol-opioid conjugate produces analgesia devoid of side effects. Elife. 6. PMID 28673386 DOI: 10.7554/Elife.27081  0.598
2017 Del Vecchio G, Spahn V, Stein C. Novel Opioid Analgesics and Side Effects. Acs Chemical Neuroscience. PMID 28603962 DOI: 10.1021/acschemneuro.7b00195  0.655
2017 Baddack-Werncke U, Busch-Dienstfertig M, González-Rodríguez S, Maddila SC, Grobe J, Lipp M, Stein C, Müller G. Cytotoxic T cells modulate inflammation and endogenous opioid analgesia in chronic arthritis. Journal of Neuroinflammation. 14: 30. PMID 28166793 DOI: 10.1186/s12974-017-0804-y  0.377
2016 Spahn V, Stein C. Targeting delta opioid receptors for pain treatment: Drugs in phase I and II clinical development. Expert Opinion On Investigational Drugs. PMID 28001096 DOI: 10.1080/13543784.2017.1275562  0.563
2015 Stein C. Opioid Receptors. Annual Review of Medicine. 67: 433-51. PMID 26332001 DOI: 10.1146/annurev-med-062613-093100  0.668
2014 Stein C, Jagla C. Methylnaltrexone and opioid analgesia Pain. 155: 2722-2723. PMID 25218602 DOI: 10.1016/j.pain.2014.09.008  0.578
2014 Jagla C, Martus P, Stein C. Peripheral opioid receptor blockade increases postoperative morphine demands - A randomized, double-blind, placebo-controlled trial Pain. 155: 2056-2062. PMID 25046272 DOI: 10.1016/j.pain.2014.07.011  0.553
2013 Busch-Dienstfertig M, Roth CA, Stein C. Functional characteristics of the naked mole rat μ-opioid receptor. Plos One. 8: e79121. PMID 24312175 DOI: 10.1371/journal.pone.0079121  0.59
2013 Stein C, Baerwald C. Opioids for the treatment of arthritis pain. Expert Opinion On Pharmacotherapy. 15: 193-202. PMID 24283649 DOI: 10.1517/14656566.2014.861818  0.49
2013 Spahn V, Stein C, Zöllner C. Modulation of transient receptor vanilloid 1 activity by transient receptor potential ankyrin 1. Molecular Pharmacology. 85: 335-44. PMID 24275229 DOI: 10.1124/mol.113.088997  0.318
2013 Stein C. Targeting pain and inflammation by peripherally acting opioids. Frontiers in Pharmacology. 4: 123. PMID 24068999 DOI: 10.3389/fphar.2013.00123  0.568
2013 Nockemann D, Rouault M, Labuz D, Hublitz P, McKnelly K, Reis FC, Stein C, Heppenstall PA. The K(+) channel GIRK2 is both necessary and sufficient for peripheral opioid-mediated analgesia. Embo Molecular Medicine. 5: 1263-77. PMID 23818182 DOI: 10.1002/emmm.201201980  0.542
2013 Stein C, Küchler S. Targeting inflammation and wound healing by opioids. Trends in Pharmacological Sciences. 34: 303-12. PMID 23602130 DOI: 10.1016/j.tips.2013.03.006  0.582
2013 Stein C. Opioids, sensory systems and chronic pain. European Journal of Pharmacology. 716: 179-87. PMID 23500206 DOI: 10.1016/j.ejphar.2013.01.076  0.564
2013 Spahn V, Fischer O, Endres-Becker J, Schäfer M, Stein C, Zöllner C. Opioid withdrawal increases transient receptor potential vanilloid 1 activity in a protein kinase A-dependent manner. Pain. 154: 598-608. PMID 23398938 DOI: 10.1016/j.pain.2012.12.026  0.567
2013 Stein C, Küchler S. Non-analgesic effects of opioids: peripheral opioid effects on inflammation and wound healing. Current Pharmaceutical Design. 18: 6053-69. PMID 22747536 DOI: 10.2174/138161212803582513  0.607
2012 Stein C. Towards safer and more effective analgesia. Veterinary Journal (London, England : 1997). 196: 6-7. PMID 23084739 DOI: 10.1016/j.tvjl.2012.09.013  0.382
2012 Schreiter A, Gore C, Labuz D, Fournie-Zaluski MC, Roques BP, Stein C, Machelska H. Pain inhibition by blocking leukocytic and neuronal opioid peptidases in peripheral inflamed tissue. Faseb Journal : Official Publication of the Federation of American Societies For Experimental Biology. 26: 5161-71. PMID 22923332 DOI: 10.1096/fj.12-208678  0.481
2012 Rittner HL, Amasheh S, Moshourab R, Hackel D, Yamdeu RS, Mousa SA, Fromm M, Stein C, Brack A. Modulation of tight junction proteins in the perineurium to facilitate peripheral opioid analgesia. Anesthesiology. 116: 1323-34. PMID 22534246 DOI: 10.1097/ALN.0b013e318256eeeb  0.502
2012 Cayla C, Labuz D, Machelska H, Bader M, Schäfer M, Stein C. Impaired nociception and peripheral opioid antinociception in mice lacking both kinin B1 and B2 receptors. Anesthesiology. 116: 448-57. PMID 22273860 DOI: 10.1097/ALN.0b013e318242b2ea  0.44
2012 Stein C, Machelska H. Modulation of peripheral sensory neurons by the immune system: implications for pain therapy. Pharmacological Reviews. 63: 860-81. PMID 21969325 DOI: 10.1124/pr.110.003145  0.611
2011 Brack A, Rittner HL, Stein C. Immunosuppressive effects of opioids--clinical relevance. Journal of Neuroimmune Pharmacology : the Official Journal of the Society On Neuroimmune Pharmacology. 6: 490-502. PMID 21728033 DOI: 10.1007/s11481-011-9290-7  0.511
2010 Stein C, Reinecke H, Sorgatz H. Opioid use in chronic noncancer pain: guidelines revisited. Current Opinion in Anaesthesiology. 23: 598-601. PMID 20585244 DOI: 10.1097/ACO.0b013e32833c57a8  0.446
2010 Kager I, Mousa SA, Sieper J, Stein C, Pipam W, Likar R. Blockade of intra-articular adrenergic receptors increases analgesic demands for pain relief after knee surgery. Rheumatology International. 31: 1299-306. PMID 20383510 DOI: 10.1007/s00296-010-1489-z  0.611
2010 Küchler S, Wolf NB, Heilmann S, Weindl G, Helfmann J, Yahya MM, Stein C, Schäfer-Korting M. 3D-Wound healing model: Influence of morphine and solid lipid nanoparticles Journal of Biotechnology. 148: 24-30. PMID 20138929 DOI: 10.1016/j.jbiotec.2010.01.001  0.413
2009 Machelska H, Schroff M, Oswald D, Binder W, Sitte N, Mousa SA, Rittner HL, Brack A, Labuz D, Busch M, Wittig B, Schäfer M, Stein C. Peripheral non-viral MIDGE vector-driven delivery of beta-endorphin in inflammatory pain. Molecular Pain. 5: 72. PMID 20003437 DOI: 10.1186/1744-8069-5-72  0.409
2009 Busch-Dienstfertig M, Stein C. Opioid receptors and opioid peptide-producing leukocytes in inflammatory pain--basic and therapeutic aspects. Brain, Behavior, and Immunity. 24: 683-94. PMID 19879349 DOI: 10.1016/j.bbi.2009.10.013  0.592
2009 Stein C, Zöllner C. Opioids and sensory nerves. Handbook of Experimental Pharmacology. 495-518. PMID 19655116 DOI: 10.1007/978-3-540-79090-7_14  0.603
2009 Rittner HL, Hackel D, Voigt P, Mousa S, Stolz A, Labuz D, Schäfer M, Schaefer M, Stein C, Brack A. Mycobacteria attenuate nociceptive responses by formyl peptide receptor triggered opioid peptide release from neutrophils. Plos Pathogens. 5: e1000362. PMID 19343210 DOI: 10.1371/journal.ppat.1000362  0.566
2009 Stein C, Lang LJ. Peripheral mechanisms of opioid analgesia. Current Opinion in Pharmacology. 9: 3-8. PMID 19157985 DOI: 10.1016/j.coph.2008.12.009  0.49
2009 Stein C, Clark JD, Oh U, Vasko MR, Wilcox GL, Overland AC, Vanderah TW, Spencer RH. Peripheral mechanisms of pain and analgesia. Brain Research Reviews. 60: 90-113. PMID 19150465 DOI: 10.1016/J.Brainresrev.2008.12.017  0.373
2008 Zöllner C, Mousa SA, Fischer O, Rittner HL, Shaqura M, Brack A, Shakibaei M, Binder W, Urban F, Stein C, Schäfer M. Chronic morphine use does not induce peripheral tolerance in a rat model of inflammatory pain. The Journal of Clinical Investigation. 118: 1065-73. PMID 18246198 DOI: 10.1172/JCI25911  0.686
2007 Rittner HL, Lux C, Labuz D, Mousa SA, Schäfer M, Stein C, Brack A. Neurokinin-1 receptor antagonists inhibit the recruitment of opioid-containing leukocytes and impair peripheral antinociception. Anesthesiology. 107: 1009-17. PMID 18043070 DOI: 10.1097/01.anes.0000291454.90754.de  0.595
2007 Machelska H, Stein C. Leukocyte-derived opioid peptides and inhibition of pain. Journal of Neuroimmune Pharmacology : the Official Journal of the Society On Neuroimmune Pharmacology. 1: 90-7. PMID 18040794 DOI: 10.1007/s11481-005-9002-2  0.607
2007 Rittner HL, Labuz D, Richter JF, Brack A, Schäfer M, Stein C, Mousa SA. CXCR1/2 ligands induce p38 MAPK-dependent translocation and release of opioid peptides from primary granules in vitro and in vivo. Brain, Behavior, and Immunity. 21: 1021-32. PMID 17604950 DOI: 10.1016/j.bbi.2007.05.002  0.495
2007 Labuz D, Mousa SA, Schäfer M, Stein C, Machelska H. Relative contribution of peripheral versus central opioid receptors to antinociception. Brain Research. 1160: 30-8. PMID 17599812 DOI: 10.1016/j.brainres.2007.05.049  0.603
2007 Mousa SA, Straub RH, Schäfer M, Stein C. Beta-endorphin, Met-enkephalin and corresponding opioid receptors within synovium of patients with joint trauma, osteoarthritis and rheumatoid arthritis. Annals of the Rheumatic Diseases. 66: 871-9. PMID 17324971 DOI: 10.1136/ard.2006.067066  0.498
2007 Likar R, Mousa SA, Steinkellner H, Koppert W, Philippitsch G, Stein C, Schäfer M. Involvement of intra-articular corticotropin-releasing hormone in postoperative pain modulation. The Clinical Journal of Pain. 23: 136-42. PMID 17237662 DOI: 10.1097/01.ajp.0000210954.93878.0d  0.478
2007 Heurich M, Mousa SA, Lenzner M, Morciniec P, Kopf A, Welte M, Stein C. Influence of pain treatment by epidural fentanyl and bupivacaine on homing of opioid-containing leukocytes to surgical wounds. Brain, Behavior, and Immunity. 21: 544-52. PMID 17174527 DOI: 10.1016/j.bbi.2006.10.014  0.496
2007 Endres-Becker J, Heppenstall PA, Mousa SA, Labuz D, Oksche A, Schäfer M, Stein C, Zöllner C. Mu-opioid receptor activation modulates transient receptor potential vanilloid 1 (TRPV1) currents in sensory neurons in a model of inflammatory pain. Molecular Pharmacology. 71: 12-8. PMID 17005903 DOI: 10.1124/mol.106.026740  0.625
2006 Stein C. Intra-Articular Morphine for Inflammatory Pain Regional Anesthesia and Pain Medicine. 31: 496-497. PMID 17138189 DOI: 10.1016/j.rapm.2006.08.006  0.478
2006 Rittner HL, Labuz D, Schaefer M, Mousa SA, Schulz S, Schäfer M, Stein C, Brack A. Pain control by CXCR2 ligands through Ca2+-regulated release of opioid peptides from polymorphonuclear cells. Faseb Journal : Official Publication of the Federation of American Societies For Experimental Biology. 20: 2627-9. PMID 17060402 DOI: 10.1096/Fj.06-6077Fje  0.566
2006 Labuz D, Berger S, Mousa SA, Zöllner C, Rittner HL, Shaqura MA, Segovia-Silvestre T, Przewlocka B, Stein C, Machelska H. Peripheral antinociceptive effects of exogenous and immune cell-derived endomorphins in prolonged inflammatory pain. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 26: 4350-8. PMID 16624955 DOI: 10.1523/JNEUROSCI.4349-05.2006  0.619
2006 Rittner HL, Mousa SA, Labuz D, Beschmann K, Schäfer M, Stein C, Brack A. Selective local PMN recruitment by CXCL1 or CXCL2/3 injection does not cause inflammatory pain. Journal of Leukocyte Biology. 79: 1022-32. PMID 16522746 DOI: 10.1189/jlb.0805452  0.314
2005 Kopf A, Banzhaf A, Stein C. Perioperative management of the chronic pain patient. Best Practice & Research. Clinical Anaesthesiology. 19: 59-76. PMID 15679059  0.516
2005 Puehler W, Stein C. Controlling pain by influencing neurogenic pathways. Rheumatic Diseases Clinics of North America. 31: 103-13, ix. PMID 15639058 DOI: 10.1016/j.rdc.2004.09.001  0.631
2005 Brack A, Rittner HL, Machelska H, Leder K, Mousa SA, Schäfer M, Stein C. Control of inflammatory pain by chemokine-mediated recruitment of opioid-containing polymorphonuclear cells. Pain. 112: 229-238. PMID 15561377 DOI: 10.1016/j.pain.2004.08.029  0.594
2004 Binder W, Mousa SA, Sitte N, Kaiser M, Stein C, Schäfer M. Sympathetic activation triggers endogenous opioid release and analgesia within peripheral inflamed tissue. The European Journal of Neuroscience. 20: 92-100. PMID 15245482 DOI: 10.1111/j.1460-9568.2004.03459.x  0.437
2004 Brack A, Labuz D, Schiltz A, Rittner HL, Machelska H, Schäfer M, Reszka R, Stein C. Tissue monocytes/macrophages in inflammation: hyperalgesia versus opioid-mediated peripheral antinociception. Anesthesiology. 101: 204-11. PMID 15220792 DOI: 10.1097/00000542-200407000-00031  0.571
2004 Machelska H, Brack A, Mousa SA, Schopohl JK, Rittner HL, Schäfer M, Stein C. Selectins and integrins but not platelet-endothelial cell adhesion molecule-1 regulate opioid inhibition of inflammatory pain. British Journal of Pharmacology. 142: 772-80. PMID 15159283 DOI: 10.1038/sj.bjp.0705837  0.499
2004 Brack A, Rittner HL, Machelska H, Shaqura M, Mousa SA, Labuz D, Zöllner C, Schäfer M, Stein C. Endogenous peripheral antinociception in early inflammation is not limited by the number of opioid-containing leukocytes but by opioid receptor expression. Pain. 108: 67-75. PMID 15109509 DOI: 10.1016/j.pain.2003.12.008  0.608
2004 Brack A, Rittner HL, Machelska H, Beschmann K, Sitte N, Schäfer M, Stein C. Mobilization of opioid-containing polymorphonuclear cells by hematopoietic growth factors and influence on inflammatory pain. Anesthesiology. 100: 149-57. PMID 14695736 DOI: 10.1097/00000542-200401000-00024  0.575
2004 Mousa SA, Bopaiah PC, Stein C, Schäfer M. Involvement of corticotropin-releasing hormone receptor subtypes 1 and 2 in peripheral opioid-mediated inhibition of inflammatory pain. Pain. 106: 297-307. PMID 14659512 DOI: 10.1016/S0304-3959(03)00302-6  0.398
2003 Dworkin RH, Backonja M, Rowbotham MC, Allen RR, Argoff CR, Bennett GJ, Bushnell MC, Farrar JT, Galer BS, Haythornthwaite JA, Hewitt DJ, Loeser JD, Max MB, Saltarelli M, Schmader KE, ... Stein C, et al. Advances in neuropathic pain: diagnosis, mechanisms, and treatment recommendations. Archives of Neurology. 60: 1524-34. PMID 14623723 DOI: 10.1001/Archneur.60.11.1524  0.357
2003 Shaqura MA, Zöllner C, Mousa SA, Stein C, Schäfer M. Characterization of mu opioid receptor binding and G protein coupling in rat hypothalamus, spinal cord, and primary afferent neurons during inflammatory pain. The Journal of Pharmacology and Experimental Therapeutics. 308: 712-8. PMID 14593084 DOI: 10.1124/jpet.103.057257  0.423
2003 Machelska H, Schopohl JK, Mousa SA, Labuz D, Schäfer M, Stein C. Different mechanisms of intrinsic pain inhibition in early and late inflammation. Journal of Neuroimmunology. 141: 30-9. PMID 12965251 DOI: 10.1016/s0165-5728(03)00213-3  0.601
2003 Stein C, Schäfer M, Machelska H. Attacking pain at its source: new perspectives on opioids. Nature Medicine. 9: 1003-8. PMID 12894165 DOI: 10.1038/nm908  0.613
2003 Stein C. Opioid receptors on peripheral sensory neurons Advances in Experimental Medicine and Biology. 521: 69-76. PMID 12617565  0.479
2003 Schmitt TK, Mousa SA, Brack A, Schmidt DK, Rittner HL, Welte M, Schäfer M, Stein C. Modulation of peripheral endogenous opioid analgesia by central afferent blockade. Anesthesiology. 98: 195-202. PMID 12502997 DOI: 10.1097/00000542-200301000-00030  0.568
2002 Sorgatz H, Hege-Scheuing G, Kopf A, Maier C, Sabatowski R, Schäfer M, Stein C, Tölle TR, Willweber-Strumpf A. [Consensus building on "Long-term opioid administration and non-tumor pain"]. Zeitschrift Fur Arztliche Fortbildung Und Qualitatssicherung. 96: 317-23. PMID 12168553  0.448
2002 Machelska H, Mousa SA, Brack A, Schopohl JK, Rittner HL, Schafer M, Stein C. Opioid control of inflammatory pain regulated by intercellular adhesion molecule-1. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 22: 5588-96. PMID 12097510 DOI: 20026515  0.561
2002 Mousa SA, Machelska H, Schäfer M, Stein C. Immunohistochemical localization of endomorphin-1 and endomorphin-2 in immune cells and spinal cord in a model of inflammatory pain. Journal of Neuroimmunology. 126: 5-15. PMID 12020952 DOI: 10.1016/s0165-5728(02)00049-8  0.477
2001 Cabot PJ, Carter L, Schäfer M, Stein C. Methionine-enkephalin-and Dynorphin A-release from immune cells and control of inflammatory pain. Pain. 93: 207-212. PMID 11514079 DOI: 10.1016/S0304-3959(01)00322-0  0.423
2000 Stein A, Yassouridis A, Szopko C, Helmke K, Stein C. Intraarticular morphine versus dexamethasone in chronic arthritis. Pain. 83: 525-532. PMID 10568861 DOI: 10.1016/S0304-3959(99)00156-6  0.473
1990 Parsons CG, Czz.xl;lonkowski A, Stein C, Herz A. Peripheral opioid receptors mediating antinociception in inflammation. Activation by endogenous opioids and role of the pituitary-adrenal axis Pain. 41: 81-93. PMID 2162022 DOI: 10.1016/0304-3959(90)91112-V  0.436
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