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Westlund K, Montera M, Goins A, Alles S, Afaghpour-Becklund M, Bartel R, Durvasula R, Kunamneni A. Single-chain Fragment variable antibody targeting cholecystokinin-B receptor for pain reduction. NEUROBIOLOGY OF PAIN (CAMBRIDGE, MASS.) 2021; 10:100067. [PMID: 34458647 PMCID: PMC8378781 DOI: 10.1016/j.ynpai.2021.100067] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 07/09/2021] [Accepted: 07/09/2021] [Indexed: 05/13/2023]
Abstract
The cholecystokinin B receptor and its neuropeptide ligand are upregulated in chronic neuropathic pain models. Single-chain Fragment variable antibodies were generated as preferred non-opioid targeting therapy blocking the cholecystokinin B receptor to inhibit chronic neuropathic pain models in vivo and in vitro. Engineered antibodies of this type feature binding activity similar to monoclonal antibodies but with stronger affinity and increased tissue penetrability due to their smaller size. More importantly, single-chain Fragment variable antibodies have promising biotherapeutic applications for both nervous and immune systems, now recognized as interactive in chronic pain. A mouse single-chain Fragment variable antibody library recognizing a fifteen amino acid extracellular peptide fragment of the cholecystokinin B receptor was generated from immunized spleens. Ribosome display, a powerful cell-free technology, was applied for recombinant antibody selection. Antibodies with higher affinity, stability, solubility, and binding specificity for cholecystokinin B not A receptor were selected and optimized for in vivo and in vitro efficacy. A single dose of the lead candidate reduced mechanical and cold hypersensitivity in two rodent models of neuropathic pain for at least seven weeks. Continuing efficacy was evident with either intraperitoneal or intranasal dosing. Likewise, the lead single-chain Fragment variable antibody totally prevented development of anxiety- and depression-like behaviors and cognitive deficits typical in the models. Reduction of neuronal firing frequency was evident in trigeminal ganglia primary neuronal cultures treated in vitro with the cholecystokinin B receptor antibody. Immunofluorescent staining intensity in the trigeminal neuron primary cultures was significantly reduced incrementally after overnight binding with increasingly higher dilutions of the single-chain Fragment variable antibody. While it is reported that single-chain Fragment variable antibodies are removed systemically within 2-6 h, Western blot evidence indicates the His-tag marker remained after 7 weeks in the trigeminal ganglia and in the dorsolateral medulla, providing evidence of brain and ganglia penetrance known to be compromised in overactivated states. This project showcases the in vivo efficacy of our lead single-chain Fragment variable antibody indicating its potential for development as a non-opioid, non-addictive therapeutic intervention for chronic pain. Importantly, studies by others have indicated treatments with cholecystokinin B receptor antagonists suppress maintenance and reactivation of morphine dependence in place preference tests while lowering tolerance and dose requirements. Our future studies remain to address these potential benefits that may accompany the cholecystokinin B receptor biological therapy. Both chronic sciatic and orofacial pain can be unrelenting and excruciating, reducing quality of life as well as diminishing physical and mental function. An effective non-opiate, non-addictive therapy with potential to significantly reduce chronic neuropathic pain long term is greatly needed.
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Key Words
- ANOVA, analysis of variance
- ARM, antibody ribosome mRNA
- Anxiety
- BBB, blood–brain barrier
- CCK-8, cholecystokinin octapeptide
- CCK-BR, cholecystokinin B receptor
- CPP, conditioned place preference
- Chronic pain
- DRG, dorsal root ganglia
- Depression
- Eukaryotic ribosome display
- FRICT-ION, foramen rotundum inflammatory compression trigeminal infraorbital nerve model
- GPCR, G-protein-coupled receptor
- IACUC, Institutional Animal Care and Use Committee
- ION, infraorbital nerve
- MΩ, megaOhms
- PBS, phosphate buffered saline
- SEM, standard error of the mean
- TG, trigeminal ganglia
- ms, milliseconds
- pA, picoAmps
- scFv
- scFv, single-chain Fragment variable antibody
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Affiliation(s)
- K.N. Westlund
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
- Biomedical Laboratory Research & Development (121F), New Mexico VA
Health Care System, Albuquerque, NM, USA
| | - M.A. Montera
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
| | - A.E. Goins
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
| | - S.R.A. Alles
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
| | - M. Afaghpour-Becklund
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
| | - R. Bartel
- Department of Anesthesiology & Critical Care Medicine, University of
New Mexico Health Sciences Center, Albuquerque, NM 87106-0001, USA
| | - R. Durvasula
- Division of Infectious Diseases, Department of Internal Medicine, Mayo
Clinic, Jacksonville, FL, USA
- Department of Medicine, Loyola University Medical Center, Maywood, IL
60153-3328, USA
| | - A. Kunamneni
- Division of Infectious Diseases, Department of Internal Medicine, Mayo
Clinic, Jacksonville, FL, USA
- Department of Medicine, Loyola University Medical Center, Maywood, IL
60153-3328, USA
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Giblin KA, Basili D, Afzal AM, Rosenbrier-Ribeiro L, Greene N, Barrett I, Hughes SJ, Bender A. New Associations between Drug-Induced Adverse Events in Animal Models and Humans Reveal Novel Candidate Safety Targets. Chem Res Toxicol 2020; 34:438-451. [PMID: 33338378 DOI: 10.1021/acs.chemrestox.0c00311] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
To improve our ability to extrapolate preclinical toxicity to humans, there is a need to understand and quantify the concordance of adverse events (AEs) between animal models and clinical studies. In the present work, we discovered 3011 statistically significant associations between preclinical and clinical AEs caused by drugs reported in the PharmaPendium database of which 2952 were new associations between toxicities encoded by different Medical Dictionary for Regulatory Activities terms across species. To find plausible and testable candidate off-target drug activities for the derived associations, we investigated the genetic overlap between the genes linked to both a preclinical and a clinical AE and the protein targets found to interact with one or more drugs causing both AEs. We discuss three associations from the analysis in more detail for which novel candidate off-target drug activities could be identified, namely, the association of preclinical mutagenicity readouts with clinical teratospermia and ovarian failure, the association of preclinical reflexes abnormal with clinical poor-quality sleep, and the association of preclinical psychomotor hyperactivity with clinical drug withdrawal syndrome. Our analysis successfully identified a total of 77% of known safety targets currently tested in in vitro screening panels plus an additional 431 genes which were proposed for investigation as future safety targets for different clinical toxicities. This work provides new translational toxicity relationships beyond AE term-matching, the results of which can be used for risk profiling of future new chemical entities for clinical studies and for the development of future in vitro safety panels.
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Affiliation(s)
- Kathryn A Giblin
- Centre for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom.,Medicinal Chemistry, Research and Early Development, Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Danilo Basili
- Centre for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Avid M Afzal
- Data Sciences and Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Lyn Rosenbrier-Ribeiro
- Safety Platforms, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Nigel Greene
- Data Science and Artificial Intelligence, Clinical Pharmacology and Safety Sciences, R&D, AstraZeneca, Boston, Massachusetts 02451, United States
| | - Ian Barrett
- Data Sciences and Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Samantha J Hughes
- Medicinal Chemistry, Research and Early Development, Oncology R&D, AstraZeneca, Cambridge CB4 0WG, United Kingdom
| | - Andreas Bender
- Centre for Molecular Informatics, Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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Hao S, Hu J, Fink DJ. Transgene-mediated enkephalin expression attenuates signs of naloxone-precipitated morphine withdrawal in rats with neuropathic pain. Behav Brain Res 2008; 197:84-9. [PMID: 18761380 DOI: 10.1016/j.bbr.2008.08.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2008] [Revised: 07/30/2008] [Accepted: 08/04/2008] [Indexed: 11/17/2022]
Abstract
Chronic morphine exposure induces physical dependence and tolerance. Previous studies have shown that there is a decrease in met-enkephalin levels in states of morphine physical dependence, and that increasing enkephalin during opiate physical withdrawal ameliorates the severity of the morphine withdrawal syndrome. In order to investigate the role of spinal opioid peptide in the phenomenon of naloxone-precipitated withdrawal we examined the effect of herpes simplex virus vector-mediated overexpression of proenkephalin in lumbar dorsal root ganglia in rats with neuropathic pain treated with morphine. The morphine physical dependence was induced by chronic administration of intraperitoneal (IP) morphine for 2 weeks. Rats with neuropathic pain inoculated subcutaneously with the vector-mediated overexpression of proenkephalin showed a significant reduction in jumps, 'wet-dog' shakes, diarrhea and ptosis precipitated by naloxone after 2 weeks of morphine treatment. The global withdrawal score was also reduced significantly by vector-mediated overexpression of proenkephalin. These studies demonstrate a role for opioid peptide in the spinal cord in mediating some of the withdrawal response.
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Affiliation(s)
- Shuanglin Hao
- Department of Neurology, University of Michigan and Ann Arbor VA Healthcare System, Ann Arbor, MI, USA
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Bryant CD, Zaki PA, Carroll FI, Evans CJ. Opioids and addiction: Emerging pharmaceutical strategies for reducing reward and opponent processes. ACTA ACUST UNITED AC 2005. [DOI: 10.1016/j.cnr.2005.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Lodge DJ, Lawrence AJ. Comparative analysis of the central CCK system in Fawn Hooded and Wistar Kyoto rats: extended localisation of CCK-A receptors throughout the rat brain using a novel radioligand. REGULATORY PEPTIDES 2001; 99:191-201. [PMID: 11384782 DOI: 10.1016/s0167-0115(01)00256-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The neuropeptide cholecystokinin has been implicated in the actions of a number of central processes including anxiety and reward. For this reason, the aim of the present study was to compare the density of CCK-A and -B receptors and the mRNA encoding preproCCK throughout the brains of an alcohol-preferring (Fawn Hooded) rat strain with that of a non-alcohol-preferring (Wistar Kyoto) strain of rat. Our study revealed significant differences with regard to the central CCK system of the FH compared to the WKY rat, including differences in CCK-A receptor binding throughout the dorsal medulla, and altered CCK-B binding density throughout the cerebral cortex and reticular nucleus of the thalamus. The most striking result, given the altered behavioural phenotype of the FH rat, was the 33% lower density of CCKmRNA measured throughout the ventral tegmental area of the FH rat when compared to the WKY. This study also reports on a protocol to utilise a novel radioligand, [125I]-D-Tyr-Gly-A-71378, for autoradiographic detection of CCK-A receptors throughout the rat brain. As previously reported, CCK-A receptors were located throughout the area postrema, interpeduncular nucleus and nucleus tractus solitarii; however, binding to CCK-A receptors was also visualised throughout the medial pre-optic area, the arcuate nucleus and the circumventricular regions of the ventral hypothalamus, regions known to contain CCK-A receptors but which were previously undetectable using autoradiography in rat brain.
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Affiliation(s)
- D J Lodge
- Department of Pharmacology, Monash University, Box 13E, Victoria 3800, Clayton, Australia.
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Christensen D, Guilbaud G, Kayser V. The effect of the glycine/NMDA receptor antagonist, (+)-HA966, on morphine dependence in neuropathic rats. Neuropharmacology 2000; 39:1589-95. [PMID: 10854903 DOI: 10.1016/s0028-3908(99)00236-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
We have previously shown that rats with a painful peripheral neuropathy develop dependence without tolerance after repetitive doses [3mg/kg subcutaneously (s.c.)] of morphine. After injections of a higher dose (10mg/kg s.c.) the animals develop tolerance that can be prevented by the glycine/N-methyl-D-aspartate (NMDA) receptor antagonist, (+)-HA966. This study examined whether (1) dependence develops also after repetitive doses of 10mg/kg of morphine and, if so, (2) whether (+)-HA966 prevents the development of dependence after both the low and the higher morphine pretreatment doses. A 4day pretreatment regimen (post-operative days 12-16) with two daily s.c. injections of saline+saline, saline+morphine (3 or 10mg/kg), (+)-HA966 (2.5 or 5mg/kg)+morphine or (+)-HA966 (5mg/kg)+saline was used, and withdrawal was precipitated by an injection of naloxone [2mg/kg intravenously (i.v.)] at 17h after the last pretreatment injection. Three signs of withdrawal (exploring, writhing, ptosis) appeared after pretreatment with both doses of morphine alone, while other signs (teeth chattering, pilo-erection) developed only after injections at the 3mg/kg dose. One sign (penile grooming/erection) appeared only after the higher morphine dose. Pretreatment with the combination of (+)-HA966 and morphine at 3mg/kg prevented the development of all withdrawal signs. By contrast, except for exploring, (+)-HA966 did not modify the incidence of the withdrawal signs observed after pretreatment with doses of 10mg/kg of morphine. The results suggest that prevention of the development of morphine dependence by glycine/NMDA receptor antagonism depends on the degree of morphine dependence.
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Affiliation(s)
- D Christensen
- Unité de Recherches de Physiopharmacologie du Système Nerveux, INSERM U-161, 2 rue d'Alésia, F-75014, Paris, France.
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Abstract
This paper is the twenty-first installment of our annual review of research concerning the opiate system. It summarizes papers published during 1998 that studied the behavioral effects of the opiate peptides and antagonists, excluding the purely analgesic effects, although stress-induced analgesia is included. The specific topics covered this year include stress; tolerance and dependence; eating and drinking; alcohol; gastrointestinal, renal, and hepatic function; mental illness and mood; learning, memory, and reward; cardiovascular responses; respiration and thermoregulation; seizures and other neurologic disorders; electrical-related activity; general activity and locomotion; sex, pregnancy, and development; immunologic responses; and other behaviors.
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Affiliation(s)
- A L Vaccarino
- Department of Psychology, University of New Orleans, LA 70148, USA.
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Lucas GA, Hoffmann O, Alster P, Wiesenfeld-Hallin Z. Extracellular cholecystokinin levels in the rat spinal cord following chronic morphine exposure: an in vivo microdialysis study. Brain Res 1999; 821:79-86. [PMID: 10064790 DOI: 10.1016/s0006-8993(99)01068-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Conflicting results concerning the issue of whether or not chronic morphine exposure induces an increase in CCK biosynthesis have been found in many CNS sites, including the spinal cord, where CCK activity may contribute to the facilitation of the development of opiate tolerance. The present study was undertaken in order to monitor the extracellular level of CCK under spontaneous and stimulus-evoked release in the spinal cord dorsal horn of drug naive and morphine tolerant rats. Tolerance was induced by implantation of two morphine pellets (2x75 mg) which induced a stable morphine plasma concentration after 48 h post-implantation. The tail-flick test and naloxone precipitated withdrawal were used as indexes of tolerance and dependence to morphine. The effect of morphine-pellet implantation on basal and K+-induced release of CCK-like immunoreactivity (CCK-LI) in the rat dorsal horn were monitored with in vivo microdialysis 96 h after implantation of morphine or placebo pellets, when rats showed tolerance and dependence. Basal CCK levels were below the detection limit of the assay (0.6 pM) in both tolerant and normal animals. K+ (100 mM) in the perfusion medium induced a more than 3-fold increase of the extracellular level of CCK-LI in control animals, and a more than 4-fold increase on CCK-LI in morphine-pellet implanted animals. However, this difference was not significant. In addition, naloxone (2 mg/kg; i.v.), did not induce any change in the extracellular level of CCK in either group. The present study suggests that the modulatory interaction between CCK and opioids in the development of tolerance in the spinal cord may occur without necessarily increasing the extracellular level of CCK. Another possible explanation of the finding is that the microdialysis technique is not sensitive enough to detect differences in unstimulated CCK levels in normal and tolerant animals.
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Affiliation(s)
- G A Lucas
- Department of Medical Laboratory Sciences and Technology, Karolinska Institute, Division of Clinical Neurophysiology, Huddinge University Hospital, S-141 86, Huddinge, Sweden
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