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Assessment of the potential of novel and classical opioids to induce respiratory depression in mice (2023)
Journal Article
Hill, R., Sanchez, J., Lemel, L., Antonijevic, M., Hosking, Y., Mistry, S. N., …Canals, M. (2023). Assessment of the potential of novel and classical opioids to induce respiratory depression in mice. British Journal of Pharmacology, 180(24), 3160-3174. https://doi.org/10.1111/bph.16199

Background and Purpose
Opioid-induced respiratory depression limits the use of μ-opioid receptor agonists in clinical settings and is the main cause of opioid overdose fatalities. The relative potential of different opioid agonists to induce respira... Read More about Assessment of the potential of novel and classical opioids to induce respiratory depression in mice.

Systematic assessment of chemokine signaling at chemokine receptors ccr4, ccr7 and ccr10 (2021)
Journal Article
Lim, H. D., Robert Lane, J., Canals, M., & Stone, M. J. (2021). Systematic assessment of chemokine signaling at chemokine receptors ccr4, ccr7 and ccr10. International Journal of Molecular Sciences, 22(8), Article 4232. https://doi.org/10.3390/ijms22084232

Chemokines interact with chemokine receptors in a promiscuous network, such that each receptor can be activated by multiple chemokines. Moreover, different chemokines have been reported to preferentially activate different signalling pathways via the... Read More about Systematic assessment of chemokine signaling at chemokine receptors ccr4, ccr7 and ccr10.

New phosphosite-specific antibodies to unravel the role of GRK phosphorylation in dopamine D2 receptor regulation and signaling (2021)
Journal Article
Mann, A., Keen, A. C., Mark, H., Dasgupta, P., Javitch, J. A., Canals, M., …Robert Lane, J. (2022). New phosphosite-specific antibodies to unravel the role of GRK phosphorylation in dopamine D2 receptor regulation and signaling. Scientific Reports, 11(1), Article 8288. https://doi.org/10.1038/s41598-021-87417-2

The dopamine D2 receptor (D2R) is the target of drugs used to treat the symptoms of Parkinson’s disease and schizophrenia. The D2R is regulated through its interaction with and phosphorylation by G protein receptor kinases (GRKs) and interaction with... Read More about New phosphosite-specific antibodies to unravel the role of GRK phosphorylation in dopamine D2 receptor regulation and signaling.

Low intrinsic efficacy for G protein activation can explain the improved side-effect profile of new opioid agonists (2020)
Journal Article
Gillis, A., Gondin, A. B., Kliewer, A., Sanchez, J., Lim, H. D., Alamein, C., …Canals, M. (2020). Low intrinsic efficacy for G protein activation can explain the improved side-effect profile of new opioid agonists. Science Signaling, 13(625), Article eaaz3140. https://doi.org/10.1126/scisignal.aaz3140

Biased agonism at G protein–coupled receptors describes the phenomenon whereby some drugs can activate some downstream signaling activities to the relative exclusion of others. Descriptions of biased agonism focusing on the differential engagement of... Read More about Low intrinsic efficacy for G protein activation can explain the improved side-effect profile of new opioid agonists.

Distinct inactive conformations of the dopamine D2 and D3 receptors correspond to different extents of inverse agonism (2020)
Journal Article
Lane, J. R., Abramyan, A. M., Adhikari, P., Keen, A. C., Lee, K.-H., Sanchez, J., …Shi, L. (2020). Distinct inactive conformations of the dopamine D2 and D3 receptors correspond to different extents of inverse agonism. eLife, 9, Article e52189. https://doi.org/10.7554/elife.52189

By analyzing and simulating inactive conformations of the highly-homologous dopamine D2 and D3 receptors (D2R and D3R), we find that eticlopride binds D2R in a pose very similar to that in the D3R/eticlopride structure but incompatible with the D2R/r... Read More about Distinct inactive conformations of the dopamine D2 and D3 receptors correspond to different extents of inverse agonism.

Structure-Kinetic Profiling of Haloperidol Analogues at the Human Dopamine D2 Receptor (2019)
Journal Article
Fyfe, T. J., Kellam, B., Sykes, D. A., Capuano, B., Scammells, P. J., Lane, J. R., …Mistry, S. N. (2019). Structure-Kinetic Profiling of Haloperidol Analogues at the Human Dopamine D2 Receptor. Journal of Medicinal Chemistry, 62(21), 9488-9520. https://doi.org/10.1021/acs.jmedchem.9b00864

Haloperidol is a typical antipsychotic drug (APD) associated with an increased risk of extrapyramidal side-effects (EPS) and hyperprolactinemia relative to atypical APDs such as clozapine. Both drugs are dopamine D2 receptor (D2R) antagonists, with c... Read More about Structure-Kinetic Profiling of Haloperidol Analogues at the Human Dopamine D2 Receptor.

Molecular Determinants of the Intrinsic Efficacy of the Antipsychotic Aripiprazole (2019)
Journal Article
Klein Herenbrink, C., Verma, R., Lim, H. D., Kopinathan, A., Keen, A., Shonberg, J., …Lane, J. R. (2019). Molecular Determinants of the Intrinsic Efficacy of the Antipsychotic Aripiprazole. ACS Chemical Biology, 14(8), 1780-1792. https://doi.org/10.1021/acschembio.9b00342

Partial agonists of the dopamine D2 receptor (D2R) have been developed to treat the symptoms of schizophrenia without causing the side effects elicited by antagonists. The receptor-ligand interactions that determine the intrinsic efficacy of such dru... Read More about Molecular Determinants of the Intrinsic Efficacy of the Antipsychotic Aripiprazole.

Subtle modifications to a thieno[2,3-d]pyrimidine scaffold yield negative allosteric modulators and agonists of the dopamine D2 receptor (2019)
Journal Article
Fyfe, T. J., Kellam, B., Mistry, S. N., Scammells, P. J., Lane, J. R., & Capuano, B. (2019). Subtle modifications to a thieno[2,3-d]pyrimidine scaffold yield negative allosteric modulators and agonists of the dopamine D2 receptor. European Journal of Medicinal Chemistry, 168, 474-490. https://doi.org/10.1016/j.ejmech.2019.01.061

We recently described a structurally novel series of negative allosteric modulators (NAMs) of the dopamine D2 receptor (D2R) based on thieno[2,3-d]pyrimidine 1, showing it can be structurally simplified to reveal low molecular weight, fragment-like N... Read More about Subtle modifications to a thieno[2,3-d]pyrimidine scaffold yield negative allosteric modulators and agonists of the dopamine D2 receptor.

Evaluation and extension of the two-site, two-step model for binding and activation of the chemokine receptor CCR1 (2018)
Journal Article
Sanchez, J., e Huma, Z., Lane, J., Liu, X., Bridgford, J. L., Payne, R. J., …Stone, M. J. (2018). Evaluation and extension of the two-site, two-step model for binding and activation of the chemokine receptor CCR1. Journal of Biological Chemistry, 294(10), 3464-3475. https://doi.org/10.1074/jbc.ra118.006535

© 2019 Sanchez et al. Published under exclusive license by The American Society for Biochemistry and Molecular Biology, Inc. Interactions between secreted immune proteins called chemokines and their cognate G protein– coupled receptors regulate the t... Read More about Evaluation and extension of the two-site, two-step model for binding and activation of the chemokine receptor CCR1.

Arrestin recruitment to dopamine D2 receptor mediates locomotion but not incentive motivation (2018)
Journal Article
Donthamsetti, P., Gallo, E. F., Buck, D. C., Stahl, E. L., Zhu, Y., Lane, J. R., Bohn, L. M., Neve, K. A., Kellendonk, C., & Javitch, J. A. (2018). Arrestin recruitment to dopamine D2 receptor mediates locomotion but not incentive motivation. Molecular Psychiatry, 25, 2086–2100. https://doi.org/10.1038/s41380-018-0212-4

The dopamine (DA) D2 receptor (D2R) is an important target for the treatment of neuropsychiatric disorders such as schizophrenia and Parkinson's disease. However, the development of improved therapeutic strategies has been hampered by our incomplete... Read More about Arrestin recruitment to dopamine D2 receptor mediates locomotion but not incentive motivation.

Subtle Modifications to the Indole-2-carboxamide Motif of the Negative Allosteric Modulator N-(( trans)-4-(2-(7-Cyano-3,4-dihydroisoquinolin-2(1 H)-yl)ethyl)cyclohexyl)-1 H-indole-2-carboxamide (SB269652) Yield Dramatic Changes in Pharmacological Activity at the Dopamine D2 Receptor (2018)
Journal Article
Kopinathan, A., Draper-Joyce, C., Szabo, M., Christopoulos, A., Scammells, P. J., Lane, J. R., & Capuano, B. (2019). Subtle Modifications to the Indole-2-carboxamide Motif of the Negative Allosteric Modulator N-(( trans)-4-(2-(7-Cyano-3,4-dihydroisoquinolin-2(1 H)-yl)ethyl)cyclohexyl)-1 H-indole-2-carboxamide (SB269652) Yield Dramatic Changes in Pharmacological Activity at the Dopamine D2 Receptor. Journal of Medicinal Chemistry, 62(1), 371-377. https://doi.org/10.1021/acs.jmedchem.8b00192

SB269652 (1) is a negative allosteric modulator of the dopamine D2 receptor. Herein, we present the design, synthesis, and pharmacological evaluation of "second generation" analogues of 1 whereby subtle modifications to the indole-2-carboxamide motif... Read More about Subtle Modifications to the Indole-2-carboxamide Motif of the Negative Allosteric Modulator N-(( trans)-4-(2-(7-Cyano-3,4-dihydroisoquinolin-2(1 H)-yl)ethyl)cyclohexyl)-1 H-indole-2-carboxamide (SB269652) Yield Dramatic Changes in Pharmacological Activity at the Dopamine D2 Receptor.

A thieno[2,3-d]pyrimidine scaffold is a novel negative allosteric modulator of the dopamine D2 receptor (2018)
Journal Article
Fyfe, T. J., Zarzycka, B., Lim, H. D., Kellam, B., Mistry, S. N., Katrich, V., …Capuano, B. (2019). A thieno[2,3-d]pyrimidine scaffold is a novel negative allosteric modulator of the dopamine D2 receptor. Journal of Medicinal Chemistry, 62(1), 174–206. https://doi.org/10.1021/acs.jmedchem.7b01565

Recently, a novel negative allosteric modulator (NAM) of the D 2-like dopamine receptors 1 was identified through virtual ligand screening. This ligand comprises a thieno[2,3-d]pyrimidine scaffold that does not feature in known dopaminergic ligands.... Read More about A thieno[2,3-d]pyrimidine scaffold is a novel negative allosteric modulator of the dopamine D2 receptor.

Identification of Positive Allosteric Modulators of the D1 Dopamine Receptor That Act at Diverse Binding Sites (2018)
Journal Article
Luderman, K. D., Conroy, J. L., Free, R. B., Southall, N., Ferrer, M., Sanchez-Soto, M., Moritz, A. E., Willette, B. K. A., Fyfe, T. J., Jain, P., Titus, S., Hazelwood, L. A., Aubé, J., Lane, J. R., Frankowski, K. J., & Sibley, D. R. (2018). Identification of Positive Allosteric Modulators of the D1 Dopamine Receptor That Act at Diverse Binding Sites. Molecular Pharmacology, 94(4), 1197-1209. https://doi.org/10.1124/mol.118.113175

The D1 dopamine receptor is linked to a variety of neuropsychiatric disorders and represents an attractive drug target for the enhancement of cognition in schizophrenia, Alzheimer disease, and other disorders. Positive allosteric modulators (PAMs), w... Read More about Identification of Positive Allosteric Modulators of the D1 Dopamine Receptor That Act at Diverse Binding Sites.

The action of a negative allosteric modulator at the dopamine D2 receptor is dependent upon sodium ions (2018)
Journal Article
Draper-Joyce, C. J., Verma, R. K., Michino, M., Shonberg, J., Kopinathan, A., Herenbrink, C., Scammells, P. J., Capuano, B., Abramyan, A. M., Thal, D. M., Javitch, J. A., Christopoulos, A., Shi, L., & Lane, J. R. (2018). The action of a negative allosteric modulator at the dopamine D2 receptor is dependent upon sodium ions. Scientific Reports, 8(1), Article 1208. https://doi.org/10.1038/s41598-018-19642-1

© 2018 The Author(s). Sodiumions (Na+) allosterically modulate the binding of orthosteric agonists and antagonists to many class A G protein-coupled receptors, including the dopamine D 2 receptor (D 2 R). Experimental and computational evidences have... Read More about The action of a negative allosteric modulator at the dopamine D2 receptor is dependent upon sodium ions.

The E2.65A mutation disrupts dynamic binding poses of SB269652 at the dopamine D2 and D3 receptors (2018)
Journal Article
Verma, R. K., Abramyan, A. M., Michino, M., Free, R. B., Sibley, D. R., Javitch, J. A., Lane, J. R., & Shi, L. (2018). The E2.65A mutation disrupts dynamic binding poses of SB269652 at the dopamine D2 and D3 receptors. PLoS Computational Biology, 14(1), Article e1005948. https://doi.org/10.1371/journal.pcbi.1005948

The dopamine D2 and D3 receptors (D2R and D3R) are important targets for antipsychotics and for the treatment of drug abuse. SB269652, a bitopic ligand that simultaneously binds both the orthosteric binding site (OBS) and a secondary binding pocket (... Read More about The E2.65A mutation disrupts dynamic binding poses of SB269652 at the dopamine D2 and D3 receptors.

Extrapyramidal side effects of antipsychotics are linked to their association kinetics at dopamine D2 receptors (2017)
Journal Article
Sykes, D. A., Moore, H., Stott, L., Holliday, N., Javitch, J. A., Lane, J. R., & Charlton, S. J. (2017). Extrapyramidal side effects of antipsychotics are linked to their association kinetics at dopamine D2 receptors. Nature Communications, 8(1), Article 763. https://doi.org/10.1038/s41467-017-00716-z

Atypical antipsychotic drugs (APDs) have been hypothesized to show reduced extrapyramidal side effects (EPS) due to their rapid dissociation from the dopamine D2 receptor. However, support for this hypothesis is limited to a relatively small number o... Read More about Extrapyramidal side effects of antipsychotics are linked to their association kinetics at dopamine D2 receptors.

Key determinants of selective binding and activation by the monocyte chemoattractant proteins at the chemokine receptor CCR2 (2017)
Journal Article
Huma, Z. E., Sanchez, J., Lim, H. D., Bridgford, J. L., Huang, C., Parker, B. J., Pazhamalil, J. G., Porebski, B. T., Pfleger, K. D. G., Lane, J. R., Canals, M., & Stone, M. J. (2017). Key determinants of selective binding and activation by the monocyte chemoattractant proteins at the chemokine receptor CCR2. Science Signaling, 10(480), Article eaai8529. https://doi.org/10.1126/scisignal.aai8529

Chemokines and their receptors collectively orchestrate the trafficking of leukocytes in normal immune function and inflammatory diseases. Different chemokines can induce distinct responses at the same receptor. In comparison to monocyte chemoattract... Read More about Key determinants of selective binding and activation by the monocyte chemoattractant proteins at the chemokine receptor CCR2.

Multivalent approaches and beyond: novel tools for the investigation of dopamine D2 receptor pharmacology (2016)
Journal Article
Kopinathan, A., Scammells, P. J., Lane, J. R., & Capuano, B. (2016). Multivalent approaches and beyond: novel tools for the investigation of dopamine D2 receptor pharmacology. Future Medicinal Chemistry, 8(11), 1349-1372. https://doi.org/10.4155/fmc-2016-0010

The dopamine D2 receptor (D2R) has been implicated in the symptomology of disorders such as schizophrenia and Parkinson's disease. Multivalent ligands provide useful tools to investigate emerging concepts of G protein-coupled receptor drug action suc... Read More about Multivalent approaches and beyond: novel tools for the investigation of dopamine D2 receptor pharmacology.

β2-Adrenoceptors on tumor cells play a critical role in stress-enhanced metastasis in a mouse model of breast cancer (2016)
Journal Article
Chang, A., Le, C. P., Walker, A. K., Creed, S. J., Pon, C. K., Albold, S., …Sloan, E. K. (2016). β2-Adrenoceptors on tumor cells play a critical role in stress-enhanced metastasis in a mouse model of breast cancer. Brain, Behavior, and Immunity, 57, 106-115. https://doi.org/10.1016/j.bbi.2016.06.011

© 2016 The Authors Chronic stress accelerates metastasis – the main cause of death in cancer patients – through the activation of β-adrenoceptors (βARs). We have previously shown that β2AR signaling in MDA-MB-231HM breast cancer cells, facilitates in... Read More about β2-Adrenoceptors on tumor cells play a critical role in stress-enhanced metastasis in a mouse model of breast cancer.