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7. In vitro and in vivo study of butyrylfentanyl and 4‐fluorobutyrylfentanyl in female and male mice: Role of the CRF1 receptor in cardiorespiratory impairment.

Author

Bilel, Sabrine, Azevedo Neto, Joaquim, Tirri, Micaela, Corli, Giorgia, Bassi, Marta, Fantinati, Anna, Serpelloni, Giovanni, Malfacini, Davide, Trapella, Claudio, Calo', Girolamo, and Marti, Matteo

Subjects
G protein coupled receptors, RESPIRATORY insufficiency, OPIOID receptors, NALOXONE, FENTANYL, DRUG overdose
Abstract

Background and Purpose: Fentanyl analogues have been implicated in many cases of intoxication and death with overdose worldwide. The aim of this study is to investigate the pharmaco‐toxicology of two fentanyl analogues: butyrylfentanyl (BUF) and 4‐fluorobutyrylfentanyl (4F‐BUF). Experimental Approach: In vitro, we measured agonist opioid receptor efficacy, potency, and selectivity and ability to promote interaction of the μ receptor with G protein and β‐arrestin 2. In vivo, we evaluated thermal antinociception, stimulated motor activity and cardiorespiratory changes in female and male CD‐1 mice injected with BUF or 4F‐BUF (0.1–6 mg·kg−1). Opioid receptor specificity was investigated using naloxone (6 mg·kg−1). We investigated the possible role of stress in increasing cardiorespiratory toxicity using the corticotropin‐releasing factor 1 (CRF1) antagonist antalarmin (10 mg·kg−1). Key Results: Agonists displayed the following rank of potency at μ receptors: fentanyl > 4F‐BUF > BUF. Fentanyl and BUF behaved as partial agonists for the β‐arrestin 2 pathway, whereas 4F‐BUF did not promote β‐arrestin 2 recruitment. In vivo, we revealed sex differences in motor and cardiorespiratory impairments but not antinociception induced by BUF and 4F‐BUF. Antalarmin alone was effective in blocking respiratory impairment induced by BUF in both sexes but not 4F‐BUF. The combination of naloxone and antalarmin significantly enhanced naloxone reversal of the cardiorespiratory impairments induced by BUF and 4F‐BUF in mice. Conclusion and Implications: In this study, we have uncovered a novel mechanism by which synthetic opioids induce respiratory depression, shedding new light on the role of CRF1 receptors in cardiorespiratory impairments by μ agonists. [ABSTRACT FROM AUTHOR]

Published
2025
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12. The Concise Guide to PHARMACOLOGY 2023/24 : G protein-coupled receptors

Author

Alexander, Stephen P. H., Christopoulos, Arthur, Davenport, Anthony P., Kelly, Eamonn, Mathie, Alistair A., Peters, John A., Veale, Emma L., Armstrong, Jane F., Faccenda, Elena, Harding, Simon D., Davies, Jamie A., Abbracchio, Maria Pia, Abraham, George, Agoulnik, Alexander, Alexander, Wayne, Al-hosaini, Khaled, Baeck, Magnus, Baker, Jillian G., Barnes, Nicholas M., Bathgate, Ross, Beaulieu, Jean-Martin, Beck-Sickinger, Annette G., Behrens, Maik, Bernstein, Kenneth E., Bettler, Bernhard, Birdsall, Nigel J. M., Blaho, Victoria, Boulay, Francois, Bousquet, Corinne, Braeuner-Osborne, Hans, Burnstock, Geoffrey, Calo, Girolamo, Castano, Justo P., Catt, Kevin J., Ceruti, Stefania, Chazot, Paul, Chiang, Nan, Chini, Bice, Chun, Jerold, Cianciulli, Antonia, Civelli, Olivier, Clapp, Lucie H., Couture, Rejean, Cox, Helen M., Csaba, Zsolt, Dahlgren, Claes, Dent, Gordon, Douglas, Steven D., Dournaud, Pascal, Eguchi, Satoru, Escher, Emanuel, Filardo, Edward J., Fong, Tung, Fumagalli, Marta, Gainetdinov, Raul R., Garelja, Michael L., de Gasparo, Marc, Gerard, Craig, Gershengorn, Marvin, Gobeil, Fernand, Goodfriend, Theodore L., Goudet, Cyril, Graetz, Lukas, Gregory, Karen J., Gundlach, Andrew L., Hamann, Joerg, Hanson, Julien, Hauger, Richard L., Hay, Debbie L., Heinemann, Akos, Herr, Deron, Hollenberg, Morley D., Holliday, Nicholas D., Horiuchi, Mastgugu, Hoyer, Daniel, Hunyady, Laszlo, Husain, Ahsan, Ijzerman, Adriaan P., Inagami, Tadashi, Jacobson, Kenneth A., Jensen, Robert T., Jockers, Ralf, Jonnalagadda, Deepa, Karnik, Sadashiva, Kaupmann, Klemens, Kemp, Jacqueline, Kennedy, Charles, Kihara, Yasuyuki, Kitazawa, Takio, Kozielewicz, Pawel, Kreienkamp, Hans-Juergen, Kukkonen, Jyrki P., Langenhan, Tobias, Larhammar, Dan, Leach, Katie, Lecca, Davide, Lee, John D., Leeman, Susan E., Leprince, Jerome, Li, Xaria X., Lolait, Stephen J., Lupp, Amelie, Macrae, Robyn, Maguire, Janet, Malfacini, Davide, Mazella, Jean, Mcardle, Craig A., Melmed, Shlomo, Michel, Martin C., Miller, Laurence J., Mitolo, Vincenzo, Mouillac, Bernard, Mueller, Christa E., Murphy, Philip M., Nahon, Jean-Louis, Ngo, Tony, Norel, Xavier, Nyimanu, Duuamene, O'Carroll, Anne-Marie, Offermanns, Stefan, Panaro, Maria Antonietta, Parmentier, Marc, Pertwee, Roger G., Pin, Jean-Philippe, Prossnitz, Eric R., Quinn, Mark, Ramachandran, Rithwik, Ray, Manisha, Reinscheid, Rainer K., Rondard, Philippe, Rovati, G. Enrico, Ruzza, Chiara, Sanger, Gareth J., Schoeneberg, Torsten, Schulte, Gunnar, Schulz, Stefan, Segaloff, Deborah L., Serhan, Charles N., Singh, Khuraijam Dhanachandra, Smith, Craig M., Stoddart, Leigh A., Sugimoto, Yukihiko, Summers, Roger, Tan, Valerie P., Thal, David, Thomas, Walter ( Wally), Timmermans, Pieter B. M. W. M., Tirupula, Kalyan, Toll, Lawrence, Tulipano, Giovanni, Unal, Hamiyet, Unger, Thomas, Valant, Celine, Vanderheyden, Patrick, Vaudry, David, Vaudry, Hubert, Vilardaga, Jean-Pierre, Walker, Christopher S., Wang, Ji Ming, Ward, Donald T., Wester, Hans-Juergen, Willars, Gary B., Williams, Tom Lloyd, Woodruff, Trent M., Yao, Chengcan, Ye, Richard D., Alexander, Stephen P. H., Christopoulos, Arthur, Davenport, Anthony P., Kelly, Eamonn, Mathie, Alistair A., Peters, John A., Veale, Emma L., Armstrong, Jane F., Faccenda, Elena, Harding, Simon D., Davies, Jamie A., Abbracchio, Maria Pia, Abraham, George, Agoulnik, Alexander, Alexander, Wayne, Al-hosaini, Khaled, Baeck, Magnus, Baker, Jillian G., Barnes, Nicholas M., Bathgate, Ross, Beaulieu, Jean-Martin, Beck-Sickinger, Annette G., Behrens, Maik, Bernstein, Kenneth E., Bettler, Bernhard, Birdsall, Nigel J. M., Blaho, Victoria, Boulay, Francois, Bousquet, Corinne, Braeuner-Osborne, Hans, Burnstock, Geoffrey, Calo, Girolamo, Castano, Justo P., Catt, Kevin J., Ceruti, Stefania, Chazot, Paul, Chiang, Nan, Chini, Bice, Chun, Jerold, Cianciulli, Antonia, Civelli, Olivier, Clapp, Lucie H., Couture, Rejean, Cox, Helen M., Csaba, Zsolt, Dahlgren, Claes, Dent, Gordon, Douglas, Steven D., Dournaud, Pascal, Eguchi, Satoru, Escher, Emanuel, Filardo, Edward J., Fong, Tung, Fumagalli, Marta, Gainetdinov, Raul R., Garelja, Michael L., de Gasparo, Marc, Gerard, Craig, Gershengorn, Marvin, Gobeil, Fernand, Goodfriend, Theodore L., Goudet, Cyril, Graetz, Lukas, Gregory, Karen J., Gundlach, Andrew L., Hamann, Joerg, Hanson, Julien, Hauger, Richard L., Hay, Debbie L., Heinemann, Akos, Herr, Deron, Hollenberg, Morley D., Holliday, Nicholas D., Horiuchi, Mastgugu, Hoyer, Daniel, Hunyady, Laszlo, Husain, Ahsan, Ijzerman, Adriaan P., Inagami, Tadashi, Jacobson, Kenneth A., Jensen, Robert T., Jockers, Ralf, Jonnalagadda, Deepa, Karnik, Sadashiva, Kaupmann, Klemens, Kemp, Jacqueline, Kennedy, Charles, Kihara, Yasuyuki, Kitazawa, Takio, Kozielewicz, Pawel, Kreienkamp, Hans-Juergen, Kukkonen, Jyrki P., Langenhan, Tobias, Larhammar, Dan, Leach, Katie, Lecca, Davide, Lee, John D., Leeman, Susan E., Leprince, Jerome, Li, Xaria X., Lolait, Stephen J., Lupp, Amelie, Macrae, Robyn, Maguire, Janet, Malfacini, Davide, Mazella, Jean, Mcardle, Craig A., Melmed, Shlomo, Michel, Martin C., Miller, Laurence J., Mitolo, Vincenzo, Mouillac, Bernard, Mueller, Christa E., Murphy, Philip M., Nahon, Jean-Louis, Ngo, Tony, Norel, Xavier, Nyimanu, Duuamene, O'Carroll, Anne-Marie, Offermanns, Stefan, Panaro, Maria Antonietta, Parmentier, Marc, Pertwee, Roger G., Pin, Jean-Philippe, Prossnitz, Eric R., Quinn, Mark, Ramachandran, Rithwik, Ray, Manisha, Reinscheid, Rainer K., Rondard, Philippe, Rovati, G. Enrico, Ruzza, Chiara, Sanger, Gareth J., Schoeneberg, Torsten, Schulte, Gunnar, Schulz, Stefan, Segaloff, Deborah L., Serhan, Charles N., Singh, Khuraijam Dhanachandra, Smith, Craig M., Stoddart, Leigh A., Sugimoto, Yukihiko, Summers, Roger, Tan, Valerie P., Thal, David, Thomas, Walter ( Wally), Timmermans, Pieter B. M. W. M., Tirupula, Kalyan, Toll, Lawrence, Tulipano, Giovanni, Unal, Hamiyet, Unger, Thomas, Valant, Celine, Vanderheyden, Patrick, Vaudry, David, Vaudry, Hubert, Vilardaga, Jean-Pierre, Walker, Christopher S., Wang, Ji Ming, Ward, Donald T., Wester, Hans-Juergen, Willars, Gary B., Williams, Tom Lloyd, Woodruff, Trent M., Yao, Chengcan, and Ye, Richard D.

Abstract

The Concise Guide to PHARMACOLOGY 2023/24 is the sixth in this series of biennial publications. The Concise Guide provides concise overviews, mostly in tabular format, of the key properties of approximately 1800 drug targets, and about 6000 interactions with about 3900 ligands. There is an emphasis on selective pharmacology (where available), plus links to the open access knowledgebase source of drug targets and their ligands (), which provides more detailed views of target and ligand properties. Although the Concise Guide constitutes almost 500 pages, the material presented is substantially reduced compared to information and links presented on the website. It provides a permanent, citable, point-in-time record that will survive database updates. The full contents of this section can be found at . G protein-coupled receptors are one of the six major pharmacological targets into which the Guide is divided, with the others being: ion channels, nuclear hormone receptors, catalytic receptors, enzymes and transporters. These are presented with nomenclature guidance and summary information on the best available pharmacological tools, alongside key references and suggestions for further reading. The landscape format of the Concise Guide is designed to facilitate comparison of related targets from material contemporary to mid-2023, and supersedes data presented in the 2021/22, 2019/20, 2017/18, 2015/16 and 2013/14 Concise Guides and previous Guides to Receptors and Channels. It is produced in close conjunction with the Nomenclature and Standards Committee of the International Union of Basic and Clinical Pharmacology (NC-IUPHAR), therefore, providing official IUPHAR classification and nomenclature for human drug targets, where appropriate.

Published
2023
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15. Pharmacology of Kappa Opioid Receptors: Novel Assays and Ligands

Author

Sturaro, Chiara, primary, Malfacini, Davide, additional, Argentieri, Michela, additional, Djeujo, Francine M., additional, Marzola, Erika, additional, Albanese, Valentina, additional, Ruzza, Chiara, additional, Guerrini, Remo, additional, Calo’, Girolamo, additional, and Molinari, Paola, additional

Published
2022
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