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Zheng P, Pan C, Zhou C, Liu B, Wang L, Duan S, Ding Y. Contribution of Nischarin/IRAS in CNS development, injury and diseases. J Adv Res 2023; 54:43-57. [PMID: 36716956 DOI: 10.1016/j.jare.2023.01.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 12/28/2022] [Accepted: 01/24/2023] [Indexed: 01/29/2023] Open
Abstract
BACKGROUND Murine Nischarin and its human homolog IRAS are scaffold proteins highly expressed in the central nervous system (CNS). Nischarin was initially discovered as a tumor suppressor protein, and recent studies have also explored its potential value in the CNS. Research on IRAS has largely focused on its effect on opioid dependence. Although the role of Nischarin/IRAS in the physiological function and pathological process of the CNS has gradually attracted attention and the related research results are expected to be applied in clinical practice, there is no systematic review of the role and mechanisms of Nischarin/IRAS in the CNS so far. AIM OF REVIEW This review will systematically analyze the role and mechanism of Nischarin/IRAS in the CNS, and provide necessary references and possible targets for the treatment of neurological diseases, thereby broadening the direction of Nischarin/IRAS research and facilitating clinical translation. KEY SCIENTIFIC CONCEPTS OF REVIEW The pathophysiological processes affected by dysregulation of Nischarin/IRAS expression in the CNS are mainly introduced, including spinal cord injury (SCI), opioid dependence, anxiety, depression, and autism. The molecular mechanisms such as factors regulating Nischarin/IRAS expression and signal transduction pathways regulated by Nischarin/IRAS are systematically summarized. Finally, the clinical application of Nischarin/IRAS has been prospected.
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Affiliation(s)
- Peijie Zheng
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Chenshu Pan
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Chuntao Zhou
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Bin Liu
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China
| | - Linlin Wang
- Department of Basic Medicine Sciences, and Department of Orthopaedics of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Shiwei Duan
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China; Institute of Translational Medicine, Zhejiang University City College, Hangzhou 310015, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, Zhejiang University City College, Hangzhou 310015, China.
| | - Yuemin Ding
- Department of Clinical Medicine, School of Medicine, Zhejiang University City College, Hangzhou 310015, China; Institute of Translational Medicine, Zhejiang University City College, Hangzhou 310015, China; Key Laboratory of Novel Targets and Drug Study for Neural Repair of Zhejiang Province, Zhejiang University City College, Hangzhou 310015, China.
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2
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Zhang JJ, Song CG, Wang M, Zhang GQ, Wang B, Chen X, Lin P, Zhu YM, Sun ZC, Wang YZ, Jiang JL, Li L, Yang XM, Chen ZN. Monoclonal antibody targeting mu-opioid receptor attenuates morphine tolerance via enhancing morphine-induced receptor endocytosis. J Pharm Anal 2023; 13:1135-1152. [PMID: 38024852 PMCID: PMC10657976 DOI: 10.1016/j.jpha.2023.06.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/28/2023] [Accepted: 06/20/2023] [Indexed: 12/01/2023] Open
Abstract
Morphine is a frequently used analgesic that activates the mu-opioid receptor (MOR), which has prominent side effects of tolerance. Although the inefficiency of morphine in inducing the endocytosis of MOR underlies the development of morphine tolerance, currently, there is no effective therapy to treat morphine tolerance. In the current study, we aimed to develop a monoclonal antibody (mAb) precisely targeting MOR and to determine its therapeutic efficacy on morphine tolerance and the underlying molecular mechanisms. We successfully prepared a mAb targeting MOR, named 3A5C7, by hybridoma technique using a strategy of deoxyribonucleic acid immunization combined with cell immunization, and identified it as an immunoglobulin G mAb with high specificity and affinity for MOR and binding ability to antigens with spatial conformation. Treatment of two cell lines, HEK293T and SH-SY5Y, with 3A5C7 enhanced morphine-induced MOR endocytosis via a G protein-coupled receptor kinase 2 (GRK2)/β-arrestin2-dependent mechanism, as demonstrated by immunofluorescence staining, flow cytometry, Western blotting, coimmunoprecipitation, and small interfering ribonucleic acid (siRNA)-based knockdown. This mAb also allowed MOR recycling from cytoplasm to plasma membrane and attenuated morphine-induced phosphorylation of MOR. We established an in vitro morphine tolerance model using differentiated SH-SY5Y cells induced by retinoic acid. Western blot, enzyme-linked immunosorbent assays, and siRNA-based knockdown revealed that 3A5C7 mAb diminished hyperactivation of adenylate cyclase, the in vitro biomarker of morphine tolerance, via the GRK2/β-arrestin2 pathway. Furthermore, in vivo hotplate test demonstrated that chronic intrathecal administration of 3A5C7 significantly alleviated morphine tolerance in mice, and withdrawal jumping test revealed that both chronic and acute 3A5C7 intrathecal administration attenuated morphine dependence. Finally, intrathecal electroporation of silencing short hairpin RNA illustrated that the in vivo anti-tolerance and anti-dependence efficacy of 3A5C7 was mediated by enhanced morphine-induced MOR endocytosis via GRK2/β-arrestin2 pathway. Collectively, our study provided a therapeutic mAb, 3A5C7, targeting MOR to treat morphine tolerance, mediated by enhancing morphine-induced MOR endocytosis. The mAb 3A5C7 demonstrates promising translational value to treat clinical morphine tolerance.
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Affiliation(s)
- Jia-Jia Zhang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Chang-Geng Song
- Department of Neurology, Xijing Hospital, Fourth Military Medical University, Xi'an, 710032, China
| | - Miao Wang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Gai-Qin Zhang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Bin Wang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Xi Chen
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710032, China
| | - Peng Lin
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Yu-Meng Zhu
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhi-Chuan Sun
- Department of Neurosurgery, Xi'an Daxing Hospital, Xi'an, 710032, China
| | - Ya-Zhou Wang
- Department of Neurobiology and Institute of Neurosciences, Collaborative Innovation Center for Brain Science, School of Basic Medicine, Fourth Military Medical University, Xi'an, 710032, China
| | - Jian-Li Jiang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Ling Li
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Xiang-Min Yang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
| | - Zhi-Nan Chen
- National Translational Science Center for Molecular Medicine & Department of Cell Biology, Fourth Military Medical University, Xi'an, 710032, China
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Cao DN, Li F, Wu N, Li J. Insights into the mechanisms underlying opioid use disorder and potential treatment strategies. Br J Pharmacol 2023; 180:862-878. [PMID: 34128238 DOI: 10.1111/bph.15592] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 05/28/2021] [Accepted: 06/02/2021] [Indexed: 12/19/2022] Open
Abstract
Opioid use disorder is a worldwide societal problem and public health burden. Strategies for treating opioid use disorder can be divided into those that target the opioid receptor system and those that target non-opioid receptor systems, including the dopamine and glutamate receptor systems. Currently, the clinical drugs used to treat opioid use disorder include the opioid receptor agonists methadone and buprenorphine, which are limited by their abuse liability, and the opioid receptor antagonist naltrexone, which is limited by poor compliance. Therefore, the development of effective medications with lower abuse liability and better potential for compliance is urgently needed. Based on recent advances in the understanding of the neurobiological mechanisms underlying opioid use disorder, potential treatment strategies and targets have emerged. This review focuses on the progress made in identifying potential targets and developing medications to treat opioid use disorder, including progress made by our laboratory, and provides insights for future medication development. LINKED ARTICLES: This article is part of a themed issue on Advances in Opioid Pharmacology at the Time of the Opioid Epidemic. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v180.7/issuetoc.
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Affiliation(s)
- Dan-Ni Cao
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Fei Li
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Ning Wu
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Jin Li
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
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Li S, Zhang XQ, Liu CC, Wang ZY, Lu GY, Shen HW, Wu N, Li J, Li F. IRAS/Nischarin modulates morphine reward by glutamate receptor activation in the nucleus accumbens of mouse brain. Biomed Pharmacother 2022; 153:113346. [DOI: 10.1016/j.biopha.2022.113346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/02/2022] Open
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Gupta S, Bazargani N, Drew J, Howden JH, Modi S, Al Awabdh S, Marie H, Attwell D, Kittler JT. The non-adrenergic imidazoline-1 receptor protein nischarin is a key regulator of astrocyte glutamate uptake. iScience 2022; 25:104127. [PMID: 35434559 PMCID: PMC9010640 DOI: 10.1016/j.isci.2022.104127] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 12/24/2021] [Accepted: 03/17/2022] [Indexed: 12/02/2022] Open
Abstract
Astrocytic GLT-1 is the main glutamate transporter involved in glutamate buffering in the brain, pivotal for glutamate removal at excitatory synapses to terminate neurotransmission and for preventing excitotoxicity. We show here that the surface expression and function of GLT-1 can be rapidly modulated through the interaction of its N-terminus with the nonadrenergic imidazoline-1 receptor protein, Nischarin. The phox domain of Nischarin is critical for interaction and internalization of surface GLT-1. Using live super-resolution imaging, we found that glutamate accelerated Nischarin-GLT-1 internalization into endosomal structures. The surface GLT-1 level increased in Nischarin knockout astrocytes, and this correlated with a significant increase in transporter uptake current. In addition, Nischarin knockout in astrocytes is neuroprotective against glutamate excitotoxicity. These data provide new molecular insights into regulation of GLT-1 surface level and function and suggest new drug targets for the treatment of neurological disorders. Nischarin phox domain interacts with the N-terminus of the glutamate transporter, GLT-1 Nischarin promotes internalization of GLT-1 to endosomes Glutamate modulates GLT-1 surface levels by regulating the Nischarin-GLT-1 interaction Nischarin loss enhances GLT-1 surface levels, transport currents, and neuroprotection
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Affiliation(s)
- Swati Gupta
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Narges Bazargani
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - James Drew
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Jack H. Howden
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Souvik Modi
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Sana Al Awabdh
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Hélène Marie
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - David Attwell
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
| | - Josef T. Kittler
- Department of Neuroscience, Physiology and Pharmacology, University College London, Gower Street, WC1E 6BT London, UK
- Corresponding author
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Okpechi SC, Yousefi H, Nguyen K, Cheng T, Alahari NV, Collins-Burow B, Burow ME, Alahari SK. Role of Nischarin in the pathology of diseases: a special emphasis on breast cancer. Oncogene 2022; 41:1079-1086. [PMID: 35064214 DOI: 10.1038/s41388-021-02150-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 11/29/2021] [Accepted: 12/08/2021] [Indexed: 11/09/2022]
Abstract
Nischarin has been demonstrated to have tumor suppressor functions. In this review, we comprehensively discuss up to date information about Nischarin. In addition, this paper aims to report the prognostic value, clinical relevance, and biological significance of the Nischarin gene (NISCH) in breast cancer (BCa) patients using the Molecular Taxonomy of Breast Cancer International Consortium (METABRIC) and The Cancer Genome Atlas (TCGA) datasets. We evaluated NISCH gene expression and its correlation to patient survival, baseline expression, and expression variation based on age groups, tumor stage, tumor size, tumor grade, and lymph node status in different subtypes of BCa. Since NISCH has been extensively reported to inhibit EMT and cancer cell migration, we also checked for the correlation between NISCH and EMT genes in addition to the correlation between NISCH and cell migration genes. Our results indicate that NISCH is a tumor suppressor that plays a critical role in BCa initiation, progression, and tumor development. We find that there is a higher level of NISCH expression in normal breast tissues compared to breast cancer tissues. Also, aggressive subtypes of breast cancers, such as the triple negative/basal category, have decreased levels of NISCH as the disease progresses. Finally, we report that NISCH is inversely correlated with many EMT and cancer cell migration genes in BCa. Interestingly, we identified a significant negative correlation between NISCH expression and its methylation in breast cancer patients. Overall, the goal of this report is to establish a strong clinical basis for further investigation into the cellular, molecular, and physiological roles of NISCH in BCa. Ultimately, NISCH gene expression might be clinically harnessed as a biomarker or predictor of invasiveness and metastasis in BCa.
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Affiliation(s)
- Samuel C Okpechi
- Department of Biochemistry and Molecular Biology, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA
- Stanley S. Scott Cancer Center, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA
| | - Hassan Yousefi
- Department of Biochemistry and Molecular Biology, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA
- Stanley S. Scott Cancer Center, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA
| | - Khoa Nguyen
- Section of Hematology & Medical Oncology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Thomas Cheng
- Section of Hematology & Medical Oncology, Tulane University School of Medicine, New Orleans, LA, USA
| | | | - Bridgette Collins-Burow
- Section of Hematology & Medical Oncology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Matthew E Burow
- Section of Hematology & Medical Oncology, Tulane University School of Medicine, New Orleans, LA, USA
| | - Suresh K Alahari
- Department of Biochemistry and Molecular Biology, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA.
- Stanley S. Scott Cancer Center, Louisiana State University School of Medicine and Health Sciences Center, New Orleans, LA, USA.
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Moss RB, Pryor MM, Baillie R, Kudrycki K, Friedrich C, Reed M, Carlo DJ. Higher naloxone dosing in a quantitative systems pharmacology model that predicts naloxone-fentanyl competition at the opioid mu receptor level. PLoS One 2020; 15:e0234683. [PMID: 32544184 PMCID: PMC7297366 DOI: 10.1371/journal.pone.0234683] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Accepted: 06/01/2020] [Indexed: 12/19/2022] Open
Abstract
Rapid resuscitation of an opioid overdose with naloxone, an opioid antagonist, is critical. We developed an opioid receptor quantitative systems pharmacology (QSP) model for evaluation of naloxone dosing. In this model we examined three opioid exposure levels that have been reported in the literature (25 ng/ml, 50 ng/ml, and 75 ng/ml of fentanyl). The model predicted naloxone-fentanyl interaction at the mu opioid receptor over a range of three naloxone doses. For a 2 mg intramuscular (IM) dose of naloxone at lower fentanyl exposure levels (25 ng/ml and 50 ng/ml), the time to decreasing mu receptor occupancy by fentanyl to 50% was 3 and 10 minutes, respectively. However, at a higher fentanyl exposure level (75 ng/ml), a dose of 2 mg IM of the naloxone failed to reduce mu receptor occupancy by fentanyl to 50%. In contrast, naloxone doses of 5 mg and 10 mg IM reduced mu receptor occupancy by fentanyl to 50% in 5.5 and 4 minutes respectively. These results suggest that the current doses of naloxone (2 mg IM or 4 mg intranasal (IN)) may be inadequate for rapid reversal of toxicity due to fentanyl exposure and that increasing the dose of naloxone is likely to improve outcomes.
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Affiliation(s)
- Ronald B. Moss
- Adamis Pharmaceuticals Corp, San Diego, CA, United States of America
- * E-mail:
| | | | | | | | | | - Mike Reed
- Rosa & Co. LLC, San Carlos, CA, United States of America
| | - Dennis J. Carlo
- Adamis Pharmaceuticals Corp, San Diego, CA, United States of America
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Li S, Wu N, Zhao TY, Lu GY, Wang ZY, Li F, Li J. The role of IRAS/Nischarin involved in the development of morphine tolerance and physical dependence. Biochem Biophys Res Commun 2019; 512:460-466. [PMID: 30902386 DOI: 10.1016/j.bbrc.2019.03.055] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 03/09/2019] [Indexed: 01/01/2023]
Abstract
Morphine is a potent opioid analgesic used to alleviate moderate or severe pain, but the development of drug tolerance and dependence limits its use in pain management. Our previous studies showed that the candidate protein for I1 imidazoline receptor, imidazoline receptor antisera-selected (IRAS)/Nischarin, interacts with μ opioid receptor (MOR) and modulates its trafficking. However, there is no report of the effect of IRAS on morphine tolerance and physical dependence. In the present study, we found that IRAS knockout (KO) mice showed exacerbated analgesic tolerance and physical dependence compared to wild-type (WT) mice by chronic morphine treatment. Chronic morphine treatment down-regulated the expression of MOR in spinal cord of IRAS KO mice, while had no significant effect on MOR expression in WT mice. We observed the compensatory increase of cAMP accumulation in spinal cord after morphine tolerance, and this change was more significant in KO mice than WT mice. Furthermore, KO mice showed more elevation in the phosphorylation of AMPA receptor GluR1-S845 than WT mice, while the total expression of GluR1 remained unchanged after morphine dependence. Altogether, these data suggest that IRAS may play an important role in the development of morphine tolerance and physical dependence in vivo through modulating MOR expression, as well as AMPA GluR1-S845 phosphorylation, which might be one of the mechanisms underlying the development of opiate addiction.
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Affiliation(s)
- Shuo Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Ning Wu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Tai-Yun Zhao
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Guan-Yi Lu
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Zhi-Yuan Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China
| | - Fei Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China.
| | - Jin Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing Institute of Pharmacology and Toxicology, Beijing, People's Republic of China.
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Cao DN, Shi JJ, Wu N, Li J. Modulation of miR-139-5p on chronic morphine-induced, naloxone-precipitated cAMP overshoot in vitro. Metab Brain Dis 2018; 33:1501-1508. [PMID: 29916183 DOI: 10.1007/s11011-018-0257-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 05/28/2018] [Indexed: 10/14/2022]
Abstract
Chronic exposure to morphine can produce tolerance, dependence and addiction, but the underlying neurobiological basis is still incompletely understood. c-Jun, as an important component of the activator protein-1 transcription factor, is supposed to take part in regulating gene expression in AC/cAMP/PKA signaling. MicroRNA (miRNA) has emerged as a critical regulator of neuronal functions. Although a number of miRNAs have been reported to regulate the μ-opioid receptor expression, there has been no report about miRNAs to regulate chronic morphine-induced, naloxone-precipitated cAMP overshoot. Our results showed that chronic morphine pretreatment induced naloxone-precipitated cAMP overshoot in concentration- and time-dependent manners in HEK 293/μ cells. Chronic morphine pretreatment alone elevated both c-Jun protein and miR-139-5p expression levels, while dramatically artificial elevation of miR-139-5p inhibited c-Jun at the translational level. Furthermore, dramatically artificial upregulation of intracellular miR-139-5p limited chronic morphine-induced, naloxone-precipitated cAMP overshoot. These findings suggested that miR-139-5p was involved in regulating chronic morphine-induced, naloxone-precipitated cAMP overshoot in a negative feedback manner through its target c-Jun, which extends our understanding of neurobiological mechanisms underlying morphine dependence and addiction.
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Affiliation(s)
- Dan-Ni Cao
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 27th Taiping Road, Beijing, 100850, China
| | - Jing-Jing Shi
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 27th Taiping Road, Beijing, 100850, China
| | - Ning Wu
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 27th Taiping Road, Beijing, 100850, China.
| | - Jin Li
- Beijing Key Laboratory of Neuropsychopharmacology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, 27th Taiping Road, Beijing, 100850, China.
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10
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Bao F, Li CL, Chen XQ, Lu YJ, Bao L, Zhang X. Clinical opioids differentially induce co-internalization of μ- and δ-opioid receptors. Mol Pain 2018; 14:1744806918769492. [PMID: 29587571 PMCID: PMC5898661 DOI: 10.1177/1744806918769492] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Opioid receptors play an important role in mediating the spinal analgesia. The μ-opioid receptor is the major target of opioid drugs widely used in clinics. However, the regulatory mechanisms of analgesic effect and tolerance for clinical μ-opioid receptor-targeting opioids remain to be fully investigated. Previous studies showed the interaction of δ-opioid receptor with μ-opioid receptor to form the μ-opioid receptor/δ-opioid receptor heteromers that could be processed in the degradation pathway after δ-opioid receptor agonist treatment. Here, we showed that clinical μ-opioid receptor-targeting opioids, morphine, fentanyl, and methadone, but not tramadol, caused μ-opioid receptor co-internalization with δ-opioid receptors in both transfected human embryonic kidney 293 cells and primary sensory neurons. Prolonged treatment of morphine led to μ-opioid receptor co-degradation with δ-opioid receptors. Furthermore, fentanyl and methadone, but not tramadol, induced the drug tolerance similar to morphine. Thus, the clinical μ-opioid receptor-targeting opioids including morphine, fentanyl, and methadone induce μ-opioid receptor co-internalization with δ-opioid receptors, which may be involved in the analgesic tolerance of these opioids.
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Affiliation(s)
- Fenghua Bao
- 1 Institute of Neuroscience and State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.,2 University of Chinese Academy of Sciences, Shanghai, China
| | - Chang-Lin Li
- 1 Institute of Neuroscience and State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.,2 University of Chinese Academy of Sciences, Shanghai, China.,3 Shanghai Clinical Research Center, Chinese Academy of Sciences/XuHui Central Hospital, Shanghai, China
| | - Xu-Qiao Chen
- 4 State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China
| | - Ying-Jin Lu
- 1 Institute of Neuroscience and State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.,2 University of Chinese Academy of Sciences, Shanghai, China.,3 Shanghai Clinical Research Center, Chinese Academy of Sciences/XuHui Central Hospital, Shanghai, China
| | - Lan Bao
- 4 State Key Laboratory of Cell Biology, CAS Center for Excellence in Molecular Cell Science, Shanghai Institute of Biochemistry and Cell Biology, Chinese Academy of Sciences, Shanghai, China.,5 School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Xu Zhang
- 1 Institute of Neuroscience and State Key Laboratory of Neuroscience, CAS Center for Excellence in Brain Science and Intelligence Technology, Chinese Academy of Sciences, Shanghai, China.,2 University of Chinese Academy of Sciences, Shanghai, China.,5 School of Life Science and Technology, ShanghaiTech University, Shanghai, China
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Effects of I 2 -imidazoline receptor (IR) alkylating BU99006 in the mouse brain: Upregulation of nischarin/I 1 -IR and μ-opioid receptor proteins and modulation of associated signalling pathways. Neurochem Int 2017; 108:169-176. [DOI: 10.1016/j.neuint.2017.03.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 03/16/2017] [Accepted: 03/21/2017] [Indexed: 12/12/2022]
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Upregulation of IRAS/nischarin (I 1-imidazoline receptor), a regulatory protein of μ-opioid receptor trafficking, in postmortem prefrontal cortex of long-term opiate and mixed opiate/cocaine abusers. Neurochem Int 2017; 108:282-286. [PMID: 28461172 DOI: 10.1016/j.neuint.2017.04.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Revised: 04/25/2017] [Accepted: 04/27/2017] [Indexed: 02/06/2023]
Abstract
Imidazoline receptor antisera-selected (IRAS)/nischarin, a putative I1-imidazoline receptor, has recently been shown to regulate μ-opioid receptor (OR) trafficking and resensitisation. To study a possible involvement of this μ-OR regulator in opiate dependence, the present study assessed by Western blot analysis the contents of IRAS/nischarin and μ-OR in total homogenates and subcellular preparations of postmortem human prefrontal cortex (PFC/BA9) of long-term opiate and mixed opiate/cocaine abusers as well as of matched healthy control subjects. In the PFC/BA9 of long-term opiate/cocaine abusers (all subjects together) IRAS/nischarin content was increased (+67%, p < 0.01, n = 11) when compared with matched controls (n = 10). Similar increases were found for the subgroups of opiate (+72%, n = 6) and mixed opiate/cocaine (+61%, n = 5) abusers. IRAS/nischarin immunocontents were also found increased in subcellular membrane preparations (+61%, p < 0.05, n = 10) of PFC/BA9 from opiate addicts. In the same brain samples, the levels of μ-OR were not different to those in control subjects. Based on the increased contents in brains of opiate abusers and the reported function as μ-OR regulator, IRAS/nischarin could represent a new promising target for treatment of opiate use disorder.
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