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Rullo L, Posa L, Caputi FF, Stamatakos S, Formaggio F, Caprini M, Liguori R, Candeletti S, Romualdi P. Nociceptive behavior and central neuropeptidergic dysregulations in male and female mice of a Fabry disease animal model. Brain Res Bull 2021; 175:158-167. [PMID: 34339779 DOI: 10.1016/j.brainresbull.2021.07.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/16/2021] [Accepted: 07/26/2021] [Indexed: 01/22/2023]
Abstract
Fabry disease (FD) is an X-linked inherited disorder characterized by glycosphingolipid accumulation due to deficiency of α-galactosidase A (α-Gal A) enzyme. Chronic pain and mood disorders frequently coexist in FD clinical setting, however underlying pathophysiologic mechanisms are still unclear. Here we investigated the mechanical and thermal sensitivity in α-Gal A (-/0) hemizygous male and the α-Gal A (-/-) homozygous female mice. We also characterized the gene expression of dynorphinergic, nociceptinergic and CRFergic systems, known to be involved in pain control and mood disorders, in the prefrontal cortex, amygdala and thalamus of α-Gal A (-/0) hemizygous male and the α-Gal A (-/-) homozygous female mice. Moreover, KOP receptor protein levels were evaluated in the same areas. Fabry knock-out male, but not female, mice displayed a decreased pain threshold in both mechanical and thermal tests compared to their wild type littermates. In the amygdala and prefrontal cortex, we observed a decrease of pDYN mRNA levels in males, whereas an increase was assessed in females, thus suggesting sex-related dysregulation of stress coping and pain mechanisms. Elevated mRNA levels for pDYN/KOP and CRF/CRFR1 systems were observed in male and female thalamus, a critical crossroad for both painful signals and cognitive/emotional processes. KOP receptor protein level changes assessed in the investigated areas, appeared mostly in agreement with KOP gene expression alterations. Our data suggest that α-Gal A enzyme deficiency in male and female mice is associated with distinct neuropeptide gene and protein expression dysregulations of investigated systems, possibly related to the neuroplasticity underlying the neurological features of FD.
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Affiliation(s)
- Laura Rullo
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Luca Posa
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy; Neurobiological Psychiatry Unit, Department of Psychiatry, McGill University, Montreal, QC, Canada; Alan Edwards Centre for Research on Pain, McGill University, Montreal, QC, Canada
| | - Francesca Felicia Caputi
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Serena Stamatakos
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Francesco Formaggio
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Marco Caprini
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Rocco Liguori
- IRCCS Institute of Neurological Sciences, Bologna, Italy; Dept. of Biomedical and Neuromotor Sciences (DiBiNeM), Alma Mater Studiorum - University of Bologna, Via Altura 3, Bologna, 40139, Italy
| | - Sanzio Candeletti
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy
| | - Patrizia Romualdi
- Dept. of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum - University of Bologna, Via Irnerio 48, Bologna, 40126, Italy.
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Ulugol A, Topuz RD, Gunduz O, Kizilay G, Karadag HC. Changes in nociceptin/orphanin FQ levels in rat brain regions after acute and chronic cannabinoid treatment in conjunction with the development of antinociceptive tolerance. Fundam Clin Pharmacol 2016; 30:537-548. [PMID: 27371029 DOI: 10.1111/fcp.12215] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2015] [Revised: 06/06/2016] [Accepted: 06/29/2016] [Indexed: 01/30/2023]
Abstract
It has been indicated that acute and chronic morphine administrations enhance nociceptin/orphanin FQ (N/OFQ) levels in the brain, which might play role in the development of tolerance to the antinociceptive effect of morphine. Accordingly, N/OFQ receptor (NOP) antagonists have been shown to prevent the development of antinociceptive tolerance to morphine. Our aim is to observe whether cannabinoids, similarly to opioids, enhance N/OFQ levels in pain-related brain regions and whether antagonism of NOP receptors attenuates the development of tolerance to the antinociceptive effect of cannabinoids. Hot plate and Tail flick tests are used to assess the antinociceptive response in Sprague-Dawley rats. N/OFQ levels are measured in cortex, amygdala, hypothalamus, periaqueductal gray, nucleus raphe magnus and locus coeruleus of rat brains using Western blotting and immunohistochemistry. Within 9 days, animals became completely tolerant to the antinociceptive effect of the cannabinoid agonist WIN 55,212-2 (2, 4, 6 mg/kg, i.p.). Chronic administration of JTC-801, a NOP receptor antagonist, at a dose that exerted no effect on its own (1 mg/kg, i.p.), attenuated development of tolerance to the antinociceptive effect of WIN 55,212-2 (4 mg/kg, i.p.). Western blotting and immunohistochemistry results showed that N/OFQ levels significantly increased in amygdala, periaqueductal gray, nucleus raphe magnus and locus coeruleus of rat brains when WIN 55,212-2 was combined with JTC-801. We hypothesize that, similar to opioids, chronic cannabinoid + NOP antagonist administration may enhance N/OFQ levels and NOP receptor antagonism prevents development of tolerance to cannabinoid antinociception.
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Affiliation(s)
- Ahmet Ulugol
- Department of Medical Pharmacology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Ruhan D Topuz
- Department of Medical Pharmacology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Ozgur Gunduz
- Department of Medical Pharmacology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Gulnur Kizilay
- Department of Histology and Embryology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
| | - Hakan C Karadag
- Department of Medical Pharmacology, Faculty of Medicine, Trakya University, 22030, Edirne, Turkey
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Zhang Y, Simpson-Durand CD, Standifer KM. Nociceptin/orphanin FQ peptide receptor antagonist JTC-801 reverses pain and anxiety symptoms in a rat model of post-traumatic stress disorder. Br J Pharmacol 2015; 172:571-82. [PMID: 24666365 PMCID: PMC4292969 DOI: 10.1111/bph.12701] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2013] [Revised: 03/17/2014] [Accepted: 03/20/2014] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND AND PURPOSE Single-prolonged stress (SPS), a rat model of post-traumatic stress disorder (PTSD), also induces long-lasting hyperalgesia associated with hypocortisolism and elevated nociceptin/orphanin FQ (N/OFQ) levels in serum and CSF. Here, we determined the effect of JTC-801 (N-(4-amino-2-methylquinolin-6-yl)-2-(4-ethylphenoxymethyl) benzamide monohydrochloride), a nociceptin/orphanin FQ peptide (NOP) receptor antagonist, on symptoms of pain and anxiety in rats after SPS exposure, and examined N/OFQ-NOP receptor system changes. EXPERIMENTAL APPROACH Male Sprague Dawley rats received JTC-801 (6 mg kg(-1) i.p., once daily) during days 7-21 of SPS. The ability of JTC-801 to inhibit N/OFQ-stimulated [(35) S]-GTPγS binding was confirmed in rat brain membranes. Anxiety-like behaviour and pain sensitivity were monitored by changes in elevated plus maze performance and withdrawal responses to thermal and mechanical stimuli. Serum corticosterone and N/OFQ content in CSF, serum and brain tissues were determined by radioimmunoassay; NOP receptor protein and gene expression in amygdala, hippocampus and periaqueductal grey (PAG) were examined by immunoblotting and real-time PCR respectively. KEY RESULTS JTC-801 treatment reversed SPS-induced mechanical allodynia, thermal hyperalgesia, anxiety-like behaviour and hypocortisolism. Elevated N/OFQ levels in serum, CSF, PAG and hippocampus at day 21 of SPS were blocked by JTC-801; daily JTC-801 treatment also reversed NOP receptor protein and mRNA up-regulation in amygdala and PAG. CONCLUSION AND IMPLICATIONS JTC-801 reversed SPS-induced anxiety- and pain-like behaviours, and NOP receptor system up-regulation. These findings suggest that N/OFQ plays an important role in hyperalgesia and allodynia maintenance after SPS. NOP receptor antagonists may provide effective treatment for co-morbid PTSD and pain. LINKED ARTICLES This article is part of a themed section on Opioids: New Pathways to Functional Selectivity. To view the other articles in this section visit http://dx.doi.org/10.1111/bph.2015.172.issue-2.
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Affiliation(s)
- Y Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
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Petrella C, Giuli C, Broccardo M, Eutamene H, Cartier C, Leveque M, Bedini A, Spampinato S, Bueno L, Theodorou V, Improta G, Agostini S. Protective and worsening peripheral nociceptin/orphanin FQ receptor-mediated effect in a rat model of experimental colitis. Pharmacol Res 2013; 70:72-9. [PMID: 23353033 DOI: 10.1016/j.phrs.2013.01.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 01/09/2013] [Accepted: 01/15/2013] [Indexed: 12/19/2022]
Abstract
Nociceptin/orphanin FQ (N/OFQ) and nociceptin orphanin peptide (NOP) receptors represent an endogenous system modulating gastrointestinal functions and inflammation. We investigated the peripheral effect of N/OFQ and of UFP-101, the NOP antagonist, in a model of colitis induced by TNBS (2,4,6 trinitrobenzenesulphonic acid; 60mg/kg). Male rats received two intraperitoneal injections per day of N/OFQ, UFP-101 or saline for 3 days after colitis induction. Four days after TNBS, animals were sacrificed and colonic histological damage, myeloperoxidase (MPO) activity and cytokine (IL-1β and IL-10) levels were evaluated. N/OFQ plasmatic levels were assessed by radioimmunoassay. TNBS increased all the inflammatory variables considered. In colitic rats, N/OFQ (0.02 and 0.2nmol/kg) improved microscopic damage, MPO activity and decreased IL-1β levels in comparison with TNBS group, whereas at the highest dose (20nmol/kg) the peptide worsened colitis. UFP-101 at the dose of 1nmol/kg, without pharmacological activity, antagonised the protective effect of N/OFQ (0.2nmol/kg) on colitis, but at a dose level of 3 and 10nmol/kg worsened inflammation, revealing the endogenous N/OFQergic system protective role. N/OFQ plasmatic levels were not modified in TNBS-treated rats compared with controls, whereas they were reduced in rats treated with the doses of UFP-101 aggravating colitis. In conclusion, peripheral low doses of N/OFQ have a beneficial effect on colonic inflammation in rats. In contrast, N/OFQ at a dose 100-1000-fold higher than those that protect worsens colitis, probably through different mechanisms. The peripheral N/OFQergic system can represent a new field of investigation in some intestinal inflammatory conditions.
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Affiliation(s)
- Carla Petrella
- Department of Physiology and Pharmacology V. Erspamer, Sapienza University of Rome, Rome, Italy.
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Zhang Y, Gandhi PR, Standifer KM. Increased nociceptive sensitivity and nociceptin/orphanin FQ levels in a rat model of PTSD. Mol Pain 2012; 8:76. [PMID: 23082795 PMCID: PMC3543245 DOI: 10.1186/1744-8069-8-76] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 10/16/2012] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Clinical studies indicate that post-traumatic stress disorder (PTSD) frequently shares co-morbidity with chronic pain. Although in animals acute stress-induced antinociception is well documented, the effect of PTSD-like stress on nociceptive sensitivity is unclear. Though a few studies measured nociceptive responses at a single time point, no studies have examined changes in nociceptive sensitivity over time following exposure to PTSD-like stress. Nociceptin/orphanin FQ (N/OFQ), an endogenous ligand for the N/OFQ peptide (NOP) receptor, modulates various biological functions in the central nervous system that are affected by PTSD, including nociceptive sensitivity, stress and anxiety, learning and memory. RESULTS The present study examined thermal and mechanical nociceptive sensitivity in male Sprague Dawley rats between 7 and 28 days after single-prolonged stress (SPS), an established animal model for PTSD. Rat paw withdrawal thresholds (PWT) to von Frey and paw withdrawal latencies (PWL) to radiant heat stimuli, respectively, dramatically decreased as early as 7 days after initiation of SPS and lasted the length of the study, 28 days. In addition, N/OFQ levels increased in cerebrospinal fluid (CSF; on days 9, 14 and 28) and serum (day 28), while levels of circulating corticosterone (CORT) decreased 28 days after initiation of SPS. SPS exposure induced anxiety-like behavior and enhanced inhibition of the hypothalamo-pituitary-adrenal (HPA) axis, as previously reported for this model. CONCLUSIONS Our results demonstrate that SPS induces the development of persistent mechanical allodynia and thermal hyperalgesia that is accompanied by increased N/OFQ content in the CSF, and eventually, in serum. These findings suggest a link between N/OFQ and the development of hyperalgesia and allodynia in a rat model of PTSD.
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Affiliation(s)
- Yong Zhang
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Priyam R Gandhi
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
| | - Kelly M Standifer
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
- Department of Cell Biology and Oklahoma Center for Neuroscience, College of Medicine, University of Oklahoma Health Sciences Center, Oklahoma City, OK, 73117, USA
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Eto K, Shiotsuki M, Sakai T, Abe SI. Nociceptin is upregulated by FSH signaling in Sertoli cells in murine testes. Biochem Biophys Res Commun 2012; 421:678-83. [PMID: 22542942 DOI: 10.1016/j.bbrc.2012.04.061] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2012] [Accepted: 04/12/2012] [Indexed: 11/24/2022]
Abstract
In postnatal testes, follicle-stimulating hormone (FSH) acts on somatic Sertoli cells to activate gene expression directly via an intracellular signaling pathway composed of cAMP, cAMP-dependent protein kinase (PKA), and cAMP-response element-binding protein (CREB), and promotes germ cell development indirectly. Yet, the paracrine factors mediating the FSH effects to germ cells remained elusive. Here we show that nociceptin, known as a neuropeptide, is upregulated by FSH through cAMP/PKA/CREB pathway in Sertoli cells in murine testes. Chromatin immunoprecipitation from Sertoli cells shows that CREB phosphorylated at Ser133 associates with prepronociceptin gene encoding nociceptin. Analyses with Sertoli cells and testes demonstrates that both prepronociceptin mRNA and the nociceptin peptide are induced after FSH signaling is activated. In addition, the nociceptin peptide is induced in testes after 9days post partum following FSH surge. Thus, our findings may identify nociceptin as a novel paracrine mediator of the FSH effects in the regulation of spermatogenesis.
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Affiliation(s)
- Ko Eto
- Department of Biological Sciences, Graduate School of Science and Technology, Kumamoto University, 2-39-1 Kurokami, Kumamoto 860-8555, Japan.
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Liu EH, Li C, Govindasamy M, Neo HJ, Lee TL, Low CM, Tachibana S. Elevated prepronociceptin, nociceptin/orphanin FQ and nocistatin concentrations in rat chronic constriction nerve injury and diabetic neuropathic pain models. Neurosci Lett 2012; 506:104-6. [PMID: 22075222 DOI: 10.1016/j.neulet.2011.10.059] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2011] [Revised: 10/22/2011] [Accepted: 10/24/2011] [Indexed: 11/22/2022]
Abstract
Nociceptin/orphanin FQ (N/OFQ) and nocistatin are derived from the same precursor peptide, prepronociceptin. N/OFQ and nocistatin have been postulated to participate in pain modulation. In this study, we investigated whether the prepronociceptin, N/OFQ and nocistatin concentrations in the brain and spinal cord would be altered in chronic constriction injury and diabetic rat neuropathic pain models. Total brain and spinal cord lysates as well as serum from rats that had undergone chronic constriction injury and streptozocin-induced diabetic neuropathy were used to determine the concentrations of three peptides using competitive radioimmunoassay. We found that N/OFQ and prepronociceptin concentrations were significantly raised in both rat neuropathic pain models. Nocistatin was raised in the brains of post traumatic neuropathy pain rats. Overall, our data have demonstrated for the first time that prepronociceptin, N/OFQ and nocistatin concentrations are significantly altered at different tissues of two rat neuropathy pain models.
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Affiliation(s)
- Eugene H Liu
- Department of Anaesthesia, Yong Loo Lin School of Medicine, National University Health System, Singapore. Eugene Liu
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Largent-Milnes TM, Vanderah TW. Recently patented and promising ORL-1 ligands: where have we been and where are we going? Expert Opin Ther Pat 2010; 20:291-305. [PMID: 20180617 DOI: 10.1517/13543771003602004] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
IMPORTANCE OF THE FIELD The interactions of nociceptin/orphanin FQ (N/OFQ) and the opioid receptor-like receptor 1 (nociceptin opioid peptide--NOP) have been implicated in a variety of systems including cardiovascular, respiratory, immune, and the central and peripheral nervous systems. AREAS COVERED IN THIS REVIEW To elucidate the endogenous role of the N/OFQ-NOP system through the use of knockout and knockdown animal preparations, though most advances have been made using a host of synthetic agonists and antagonists. This review gives a brief history of the receptor-ligand discovery, the development of these agonists and antagonists within the last 10 years as published, and the therapeutic indications thereof focusing on pain. WHAT THE READER WILL GAIN The use of NOP ligands in pain has been controversial at best; however, there are indications that both agonists and antagonists have a place in the clinical setting for acute and chronic pain. NOP ligands have potential as novel therapeutics, interestingly, when incorporated into a rationally-designed multi-target agent. TAKE HOME MESSAGE The discovery of N/OFQ and NOP opened a new option for the treatment of pain with the potential for a decreased side effect profile. Numerous compounds have been designed to target this system, the most promising of which have mixed profiles.
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Affiliation(s)
- Tally M Largent-Milnes
- University of Arizona, Department of Pharmacology, 1501 N. Campbell Avenue, Tucson, Arizona 85724-5050, USA
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Abstract
This paper is the thirtieth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2007 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia; stress and social status; tolerance and dependence; learning and memory; eating and drinking; alcohol and drugs of abuse; sexual activity and hormones, pregnancy, development and endocrinology; mental illness and mood; seizures and neurologic disorders; electrical-related activity and neurophysiology; general activity and locomotion; gastrointestinal, renal and hepatic functions; cardiovascular responses; respiration and thermoregulation; and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, 65-30 Kissena Blvd.,Flushing, NY 11367, United States.
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