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Goldberg LR, Baskin BM, Adla Y, Beierle JA, Kelliher JC, Yao EJ, Kirkpatrick SL, Reed ER, Jenkins DF, Luong AM, Luttik KP, Scotellaro JA, Drescher TA, Crotts SB, Yazdani N, Ferris MT, Johnson WE, Mulligan MK, Bryant CD. Atp1a2 and Kcnj9 are candidate genes underlying oxycodone behavioral sensitivity and withdrawal in C57BL/6 substrains. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.04.16.589731. [PMID: 38798314 PMCID: PMC11123399 DOI: 10.1101/2024.04.16.589731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Opioid use disorder is heritable, yet its genetic etiology is largely unknown. Analysis of addiction model traits in rodents (e.g., opioid behavioral sensitivity and withdrawal) can facilitate genetic and mechanistic discovery. C57BL/6J and C57BL/6NJ substrains have extremely limited genetic diversity, yet can show reliable phenotypic diversity which together, can facilitate gene discovery. The C57BL/6NJ substrain was less sensitive to oxycodone (OXY)-induced locomotor activity compared to the C57BL/6J substrain. Quantitative trait locus (QTL) mapping in an F2 cross identified a distal chromosome 1 QTL explaining 7-12% of the variance in OXY locomotor sensitivity and anxiety-like withdrawal in the elevated plus maze. We identified a second QTL for withdrawal on chromosome 5 near the candidate gene Gabra2 (alpha-2 subunit of GABA-A receptor) explaining 9% of the variance. Next, we generated recombinant lines from an F2 founder spanning the distal chromosome 1 locus (163-181 Mb), captured the QTL for OXY sensitivity and withdrawal, and fine-mapped a 2.45-Mb region (170.16-172.61 Mb). There were five striatal cis-eQTL transcripts in this region (Pcp4l1, Ncstn, Atp1a2, Kcnj9, Igsf9), two of which were confirmed at the protein level (KCNJ9, ATP1A2). Kcnj9, a.k.a., GIRK3, codes for a potassium channel that is a major effector of mu opioid receptor signaling. Atp1a2 codes for a subunit of a Na+/K+ ATPase enzyme that regulates neuronal excitability and shows adaptations following chronic opioid administration. To summarize, we identified genetic sources of opioid behavioral differences in C57BL/6 substrains, two of the most widely and often interchangeably used substrains in opioid addiction research.
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2
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Tarazi D, Maynes JT. Impact of Opioids on Cellular Metabolism: Implications for Metabolic Pathways Involved in Cancer. Pharmaceutics 2023; 15:2225. [PMID: 37765194 PMCID: PMC10534826 DOI: 10.3390/pharmaceutics15092225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
Opioid utilization for pain management is prevalent among cancer patients. There is significant evidence describing the many effects of opioids on cancer development. Despite the pivotal role of metabolic reprogramming in facilitating cancer growth and metastasis, the specific impact of opioids on crucial oncogenic metabolic pathways remains inadequately investigated. This review provides an understanding of the current research on opioid-mediated changes to cellular metabolic pathways crucial for oncogenesis, including glycolysis, the tricarboxylic acid cycle, glutaminolysis, and oxidative phosphorylation (OXPHOS). The existing literature suggests that opioids affect energy production pathways via increasing intracellular glucose levels, increasing the production of lactic acid, and reducing ATP levels through impediment of OXPHOS. Opioids modulate pathways involved in redox balance which may allow cancer cells to overcome ROS-mediated apoptotic signaling. The majority of studies have been conducted in healthy tissue with a predominant focus on neuronal cells. To comprehensively understand the impact of opioids on metabolic pathways critical to cancer progression, research must extend beyond healthy tissue and encompass patient-derived cancer tissue, allowing for a better understanding in the context of the metabolic reprogramming already undergone by cancer cells. The current literature is limited by a lack of direct experimentation exploring opioid-induced changes to cancer metabolism as they relate to tumor growth and patient outcome.
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Affiliation(s)
- Doorsa Tarazi
- Department of Biochemistry, University of Toronto, Toronto, ON M5G 1A8, Canada;
- Program in Molecular Medicine, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Jason T. Maynes
- Department of Biochemistry, University of Toronto, Toronto, ON M5G 1A8, Canada;
- Program in Molecular Medicine, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
- Department of Anesthesia and Pain Medicine, The Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
- Department of Anesthesiology and Pain Medicine, University of Toronto, Toronto, ON M5G 1E2, Canada
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3
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Distinct Synaptic Vesicle Proteomic Signatures Associated with Pre- and Post-Natal Oxycodone-Exposure. Cells 2022; 11:cells11111740. [PMID: 35681434 PMCID: PMC9179517 DOI: 10.3390/cells11111740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 05/21/2022] [Accepted: 05/22/2022] [Indexed: 02/04/2023] Open
Abstract
The current opioid crisis, which has ravaged all segments of society, continues to pose a rising public health concern. Importantly, dependency on prescription opioids such as oxycodone (oxy) during and after pregnancy can significantly impact the overall brain development of the exposed offspring, especially at the synapse. A significant knowledge gap that remains is identifying distinct synaptic signatures associated with these exposed offspring. Accordingly, the overall goal of this current study was to identify distinct synaptic vesicle (SV) proteins as signatures for offspring exposed to oxy in utero (IUO) and postnatally (PNO). Using a preclinical animal model that imitates oxycodone exposure in utero (IUO) and postnatally (PNO), we used a quantitative mass spectrometry-based proteomics platform to examine changes in the synaptic vesicle proteome on post-natal day 14 (P14) IUO and PNO offspring. We identified MEGF8, associated with carpenter syndrome, to be downregulated in the IUO offspring while LAMTOR4, associated with the regulator complex involved in lysosomal signaling and trafficking, was found to be upregulated in the PNO groups, respectively. Their respective differential expression was further validated by Western blot. In summary, our current study shows exposure to oxy in utero and postnatally can impact the SV proteome in the exposed offspring and the identification of these distinct SV signatures could further pave the way to further elucidate their downstream mechanisms including developing them as potential therapeutic targets.
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Chang H, Gao C, Sun K, Xiao L, Li X, Jiang S, Zhu C, Sun T, Jin Z, Wang F. Continuous High Frequency Deep Brain Stimulation of the Rat Anterior Insula Attenuates the Relapse Post Withdrawal and Strengthens the Extinction of Morphine Seeking. Front Psychiatry 2020; 11:577155. [PMID: 33173522 PMCID: PMC7591677 DOI: 10.3389/fpsyt.2020.577155] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 09/15/2020] [Indexed: 11/13/2022] Open
Abstract
Deep brain stimulation (DBS) modulates the neuronal activity in specific brain circuits and has been recently considered as a promising intervention for refractory addiction. The insula cortex is the hub of interoception and is known to be involved in different aspects of substance use disorder. In the present study, we investigate the effects of continuous high frequency DBS in the anterior insula (AI) on drug-seeking behaviors and examined the molecular mechanisms of DBS action in morphine-addicted rats. Sprague-Dawley rats were trained to the morphine-conditioned place preference (CPP, day 1-8) followed by bilaterally implanted with DBS electrodes in the AI (Day 10) and recovery (Day 10-15). Continuous high-frequency (HF) -DBS (130 Hz, 150 μA, 90 μs) was applied during withdrawal (Day 16-30) or extinction sessions. CPP tests were conducted on days 16, 30, 40 during withdrawal session and several rats were used for proteomic analysis on day 30. Following the complete extinction, morphine-CPP was reinstated by a priming dose of morphine infusion (2 mg/kg). The open field and novel objective recognition tests were also performed to evaluate the DBS side effect on the locomotion and recognition memory. Continuous HF-DBS in the AI attenuated the expression of morphine-CPP post-withdrawal (Day 30), but morphine addictive behavior relapsed 10 days after the cessation of DBS (Day 40). Continuous HF-DBS reduced the period to full extinction of morphine-CPP and blocked morphine priming-induced recurrence of morphine addiction. HF-DBS in the AI had no obvious effect on the locomotor activity and novel objective recognition and did not cause anxiety-like behavior. In addition, our proteomic analysis identified eight morphine-regulated proteins in the AI and their expression levels were reversely changed by HF-DBS. Continuous HF-DBS in the bilateral anterior insula prevents the relapse of morphine place preference after withdrawal, facilitates its extinction, blocks the reinstatement induced by morphine priming and reverses the expression of morphine-regulated proteins. Our findings suggest that manipulation of insular activity by DBS could be a potential intervention to treat substance use disorder, although future research is warranted.
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Affiliation(s)
- Haigang Chang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Department of Neurosurgery, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Caibin Gao
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Kuisheng Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Lifei Xiao
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Xinxiao Li
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Shucai Jiang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Changliang Zhu
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Tao Sun
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Zhe Jin
- Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden
| | - Feng Wang
- Department of Neurosurgery, General Hospital of Ningxia Medical University, Yinchuan, China
- Ningxia Key Laboratory of Cerebrocranial Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
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5
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Dozio V, Daali Y, Desmeules J, Sanchez JC. Deep proteomics and phosphoproteomics reveal novel biological pathways perturbed by morphine, morphine-3-glucuronide and morphine-6-glucuronide in human astrocytes. J Neurosci Res 2020; 100:220-236. [PMID: 32954564 DOI: 10.1002/jnr.24731] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 08/06/2020] [Accepted: 08/31/2020] [Indexed: 01/08/2023]
Abstract
Tolerance and hyperalgesia associated with chronic exposure to morphine are major limitations in the clinical management of chronic pain. At a cellular level, neuronal signaling can in part account for these undesired side effects, but unknown mechanisms mediated by central nervous system glial cells are likely also involved. Here we applied data-independent acquisition mass spectrometry to perform a deep proteome and phosphoproteome analysis of how human astrocytes responds to opioid stimulation. We unveil time- and dose-dependent effects induced by morphine and its major active metabolites morphine-3-glucuronide (M3G) and morphine-6-glucuronide that converging on activation of mitogen-activated protein kinase and mammalian target of rapamycin signaling pathways. We also find that especially longer exposure to M3G leads to significant dysregulation of biological pathways linked to extracellular matrix organization, antigen presentation, cell adhesion, and glutamate homeostasis, which are crucial for neuron- and leukocyte-astrocyte interactions.
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Affiliation(s)
- Vito Dozio
- Department of Medicine, University of Geneva, Geneva, Switzerland.,Swiss Centre for Applied Human Toxicology, Basel, Switzerland
| | - Youssef Daali
- Swiss Centre for Applied Human Toxicology, Basel, Switzerland.,Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Cares, Geneva University Hospitals, Geneva, Switzerland
| | - Jules Desmeules
- Swiss Centre for Applied Human Toxicology, Basel, Switzerland.,Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology, Emergency Medicine and Intensive Cares, Geneva University Hospitals, Geneva, Switzerland
| | - Jean-Charles Sanchez
- Department of Medicine, University of Geneva, Geneva, Switzerland.,Swiss Centre for Applied Human Toxicology, Basel, Switzerland
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Goetzl L, Thompson-Felix T, Darbinian N, Merabova N, Merali S, Merali C, Sanserino K, Tatevosian T, Fant B, Wimmer ME. Novel biomarkers to assess in utero effects of maternal opioid use: First steps toward understanding short- and long-term neurodevelopmental sequelae. GENES BRAIN AND BEHAVIOR 2019; 18:e12583. [PMID: 31119847 DOI: 10.1111/gbb.12583] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/17/2019] [Accepted: 05/21/2019] [Indexed: 12/24/2022]
Abstract
Maternal opioid use disorder is common, resulting in significant neonatal morbidity and cost. Currently, it is not possible to predict which opioid-exposed newborns will require pharmacotherapy for neonatal abstinence syndrome. Further, little is known regarding the effects of maternal opioid use disorder on the developing human brain. We hypothesized that novel methodologies utilizing fetal central nervous system-derived extracellular vesicles isolated from maternal blood can address these gaps in knowledge. Plasma from opioid users and controls between 9 and 21 weeks was precipitated and extracellular vesicles were isolated. Mu opioid and cannabinoid receptor levels were quantified. Label-free proteomics studies and unbiased small RNA next generation sequencing was performed in paired fetal brain tissue. Maternal opioid use disorder increased mu opioid receptor protein levels in extracellular vesicles independent of opioid equivalent dose. Moreover, cannabinoid receptor levels in extracellular vesicles were upregulated with opioid exposure indicating cross talk with endocannabinoids. Maternal opioid use disorder was associated with significant changes in extracellular vesicle protein cargo and fetal brain micro RNA expression, especially in male fetuses. Many of the altered cargo molecules and micro RNAs identified are associated with adverse clinical neurodevelopmental outcomes. Our data suggest that assays relying on extracellular vesicles isolated from maternal blood extracellular vesicles may provide information regarding fetal response to opioids in the setting of maternal opioid use disorder. Prospective clinical studies are needed to evaluate the association between extracellular vesicle biomarkers, risk of neonatal abstinence syndrome and neurodevelopmental outcomes.
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Affiliation(s)
- Laura Goetzl
- Department of Obstetrics, Gynecology and Reproductive Sciences, University of Texas Health Sciences Center, Houston, Texas
| | - Tara Thompson-Felix
- Department of Psychiatry and Behavioral Science, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Nune Darbinian
- Shriners Pediatric Research Center, Center for Neural Repair and Rehabilitation, Temple University, Philadelphia, Pennsylvania
| | - Nana Merabova
- Shriners Pediatric Research Center, Center for Neural Repair and Rehabilitation, Temple University, Philadelphia, Pennsylvania
| | - Salim Merali
- School of Pharmacy, Temple University, Philadelphia, Pennsylvania
| | - Carmen Merali
- School of Pharmacy, Temple University, Philadelphia, Pennsylvania
| | - Kathryne Sanserino
- Department of Obstetrics & Gynecology, Lewis Katz School of Medicine, Temple University, Philadelphia, Pennsylvania
| | - Tamara Tatevosian
- Shriners Pediatric Research Center, Center for Neural Repair and Rehabilitation, Temple University, Philadelphia, Pennsylvania
| | - Bruno Fant
- Department of Psychiatry, Center for Neurobiology and Behavior, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Mathieu E Wimmer
- Department of Psychology, Temple University, Philadelphia, Pennsylvania
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7
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Morphinome Database – The database of proteins altered by morphine administration – An update. J Proteomics 2019; 190:21-26. [DOI: 10.1016/j.jprot.2018.04.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/27/2018] [Accepted: 04/05/2018] [Indexed: 01/06/2023]
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8
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Antolak A, Bodzoń-Kułakowska A, Cetnarska E, Pietruszka M, Marszałek-Grabska M, Kotlińska J, Suder P. Proteomic Data in Morphine Addiction Versus Real Protein Activity: Metabolic Enzymes. J Cell Biochem 2017; 118:4323-4330. [PMID: 28430368 DOI: 10.1002/jcb.26085] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 04/20/2017] [Indexed: 01/01/2023]
Abstract
Drug dependence is an escalating problem worldwide and many efforts are being made to understand the molecular basis of addiction. The morphine model is widely used in these investigations. To date, at least 29 studies exploring the influence of morphine on mammals' proteomes have been published. Among various proteins indicated as up- or down-regulated, the expression changes of enzymes engaged in energy metabolism pathways have often been confirmed. To verify whether proteomics-indicated alterations in enzyme levels reflect changes in their activity, four enzymes: PK, MDH, Complex I, and Complex V were investigated in morphine addiction and abstinence models. After analyses of the rat brain mitochondria fraction in the model of morphine dependence, we found that one of the investigated enzymes (pyruvate kinase) showed statistically significant differences observed between morphine, control, and abstinence groups. J. Cell. Biochem. 118: 4323-4330, 2017. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Anna Antolak
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
| | - Anna Bodzoń-Kułakowska
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
| | - Ewa Cetnarska
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
| | - Monika Pietruszka
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
| | - Marta Marszałek-Grabska
- Faculty of Pharmacy, Departament of Pharmacology and Pharmacodynamics, Medical University of Lublin, Lublin, Poland
| | - Jolanta Kotlińska
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
| | - Piotr Suder
- Faculty of Materials Science and Technology, Department of Biochemistry and Neurobiology, AGH University of Science and Technology, Cracow, Poland
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Qiao R, Li S, Zhou M, Chen P, Liu Z, Tang M, Zhou J. In-depth analysis of the synaptic plasma membrane proteome of small hippocampal slices using an integrated approach. Neuroscience 2017; 353:119-132. [PMID: 28435053 DOI: 10.1016/j.neuroscience.2017.04.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/24/2017] [Accepted: 04/12/2017] [Indexed: 10/19/2022]
Abstract
Comprehensive knowledge of the synaptic plasma membrane (SPM) proteome of a distinct brain region in a defined pathological state would greatly advance the understanding of the underlying biology of synaptic plasticity. The development of innovative approaches for studying the SPM proteome of small brain tissues is highly desired. This study presents a suitable protocol that integrates biotinylation-based affinity capture of cell surface-exposed proteins, isolation of synaptosomes, and biochemical extraction of SPM proteins from biotinylated hippocampal slices. The effectiveness of this integrated method was initially confirmed using immunoblot analysis of synaptic markers. Subsequently, we used highly sensitive mass spectrometry and streamlined bioinformatics to analyze the obtained SPM protein-enriched fraction. Our workflow positively identified 241 SPM proteins comprising 85 previously reported classical proteins from the pre- and/or post-synaptic membrane and 156 nonclassical proteins that localized to both the plasma membrane and synapse, and have not been previously reported as SPM proteins. Further analyses revealed considerable similarities in the physicochemical and functional properties of these proteins. Analysis of the interaction network using STRING indicated that the two groups showed a relatively strong functional correlation. Using MCODE analysis, we observed that 65 nonclassical SPM proteins formed 12 highly interconnected clusters with 47 classical SPM proteins, suggesting that they were the more likely SPM candidates. Taken together, the results of this study provide an integrated tool for analyzing the SPM proteome of small brain tissues, as well as a dataset of putative novel SPM proteins to improve the understanding of hippocampal synaptic plasticity.
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Affiliation(s)
- Rui Qiao
- Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Neurobiology, Chongqing 400016, China
| | - Shuiming Li
- Shenzhen Key Laboratory of Microbiology and Gene Engineering, Shenzhen University, Shenzhen 518060, China
| | - Mi Zhou
- Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Neurobiology, Chongqing 400016, China
| | - Penghui Chen
- Department of Neurobiology, The Third Military Medical University, Chongqing 400038, China
| | - Zhao Liu
- Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Neurobiology, Chongqing 400016, China
| | - Min Tang
- Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Neurobiology, Chongqing 400016, China
| | - Jian Zhou
- Institute of Neuroscience, Chongqing Medical University, Chongqing 400016, China; Chongqing Key Laboratory of Neurobiology, Chongqing 400016, China.
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10
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Dynamic Control of Synaptic Adhesion and Organizing Molecules in Synaptic Plasticity. Neural Plast 2017; 2017:6526151. [PMID: 28255461 PMCID: PMC5307005 DOI: 10.1155/2017/6526151] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 12/13/2016] [Indexed: 12/13/2022] Open
Abstract
Synapses play a critical role in establishing and maintaining neural circuits, permitting targeted information transfer throughout the brain. A large portfolio of synaptic adhesion/organizing molecules (SAMs) exists in the mammalian brain involved in synapse development and maintenance. SAMs bind protein partners, forming trans-complexes spanning the synaptic cleft or cis-complexes attached to the same synaptic membrane. SAMs play key roles in cell adhesion and in organizing protein interaction networks; they can also provide mechanisms of recognition, generate scaffolds onto which partners can dock, and likely take part in signaling processes as well. SAMs are regulated through a portfolio of different mechanisms that affect their protein levels, precise localization, stability, and the availability of their partners at synapses. Interaction of SAMs with their partners can further be strengthened or weakened through alternative splicing, competing protein partners, ectodomain shedding, or astrocytically secreted factors. Given that numerous SAMs appear altered by synaptic activity, in vivo, these molecules may be used to dynamically scale up or scale down synaptic communication. Many SAMs, including neurexins, neuroligins, cadherins, and contactins, are now implicated in neuropsychiatric and neurodevelopmental diseases, such as autism spectrum disorder, schizophrenia, and bipolar disorder and studying their molecular mechanisms holds promise for developing novel therapeutics.
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11
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Stockton SD, Gomes I, Liu T, Moraje C, Hipólito L, Jones MR, Ma'ayan A, Morón JA, Li H, Devi LA. Morphine Regulated Synaptic Networks Revealed by Integrated Proteomics and Network Analysis. Mol Cell Proteomics 2015; 14:2564-76. [PMID: 26149443 DOI: 10.1074/mcp.m115.047977] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Indexed: 01/12/2023] Open
Abstract
Despite its efficacy, the use of morphine for the treatment of chronic pain remains limited because of the rapid development of tolerance, dependence and ultimately addiction. These undesired effects are thought to be because of alterations in synaptic transmission and neuroplasticity within the reward circuitry including the striatum. In this study we used subcellular fractionation and quantitative proteomics combined with computational approaches to investigate the morphine-induced protein profile changes at the striatal postsynaptic density. Over 2,600 proteins were identified by mass spectrometry analysis of subcellular fractions enriched in postsynaptic density associated proteins from saline or morphine-treated striata. Among these, the levels of 34 proteins were differentially altered in response to morphine. These include proteins involved in G-protein coupled receptor signaling, regulation of transcription and translation, chaperones, and protein degradation pathways. The altered expression levels of several of these proteins was validated by Western blotting analysis. Using Genes2Fans software suite we connected the differentially expressed proteins with proteins identified within the known background protein-protein interaction network. This led to the generation of a network consisting of 116 proteins with 40 significant intermediates. To validate this, we confirmed the presence of three proteins predicted to be significant intermediates: caspase-3, receptor-interacting serine/threonine protein kinase 3 and NEDD4 (an E3-ubiquitin ligase identified as a neural precursor cell expressed developmentally down-regulated protein 4). Because this morphine-regulated network predicted alterations in proteasomal degradation, we examined the global ubiquitination state of postsynaptic density proteins and found it to be substantially altered. Together, these findings suggest a role for protein degradation and for the ubiquitin/proteasomal system in the etiology of opiate dependence and addiction.
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Affiliation(s)
- Steven D Stockton
- From the ‡Department of Pharmacology and Systems Therapeutics, §Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York, 10029
| | - Ivone Gomes
- From the ‡Department of Pharmacology and Systems Therapeutics
| | - Tong Liu
- ¶Center for Advanced Proteomic Research and Department of Biochemistry and Molecular Biology, New Jersey Medical School Cancer Center, Rutgers University, Newark, New Jersey, 07103
| | | | - Lucia Hipólito
- ‖Department of Anesthesiology, Columbia University Medical Center, New York, New York, 10027
| | - Matthew R Jones
- From the ‡Department of Pharmacology and Systems Therapeutics
| | - Avi Ma'ayan
- From the ‡Department of Pharmacology and Systems Therapeutics
| | - Jose A Morón
- ‖Department of Anesthesiology, Columbia University Medical Center, New York, New York, 10027
| | - Hong Li
- ¶Center for Advanced Proteomic Research and Department of Biochemistry and Molecular Biology, New Jersey Medical School Cancer Center, Rutgers University, Newark, New Jersey, 07103
| | - Lakshmi A Devi
- From the ‡Department of Pharmacology and Systems Therapeutics, §Department of Neuroscience and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, New York, 10029;
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12
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Plum S, Steinbach S, Abel L, Marcus K, Helling S, May C. Proteomics in neurodegenerative diseases: Methods for obtaining a closer look at the neuronal proteome. Proteomics Clin Appl 2014; 9:848-71. [DOI: 10.1002/prca.201400030] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 06/25/2014] [Accepted: 09/03/2014] [Indexed: 12/12/2022]
Affiliation(s)
- Sarah Plum
- Medizinisches Proteom-Center; Funktionelle Proteomik; Ruhr-Universität Bochum; Bochum Germany
| | - Simone Steinbach
- Medizinisches Proteom-Center; Medical Proteomics/Bioanalytics; Ruhr-Universität Bochum; Bochum Germany
| | - Laura Abel
- Medizinisches Proteom-Center; Medical Proteomics/Bioanalytics; Ruhr-Universität Bochum; Bochum Germany
| | - Katrin Marcus
- Medizinisches Proteom-Center; Funktionelle Proteomik; Ruhr-Universität Bochum; Bochum Germany
| | - Stefan Helling
- Medizinisches Proteom-Center; Funktionelle Proteomik; Ruhr-Universität Bochum; Bochum Germany
| | - Caroline May
- Medizinisches Proteom-Center; Medical Proteomics/Bioanalytics; Ruhr-Universität Bochum; Bochum Germany
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13
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Effects of thienorphine on synaptic structure and synaptophysin expression in the rat nucleus accumbens. Neuroscience 2014; 274:53-8. [PMID: 24861887 DOI: 10.1016/j.neuroscience.2014.05.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Accepted: 05/14/2014] [Indexed: 11/23/2022]
Abstract
The partial opioid agonist thienorphine is currently in Phase II clinical trials in China as a candidate drug for the treatment of opioid dependence. However, its effect on synaptic plasticity in the NAc (nucleus accumbens) remains unclear. In the present study, we measured structural parameters of the synaptic interface to investigate the effect of thienorphine, morphine or a combination of both on synaptic morphology in the NAc of rats. Expression of synaptophysin was also examined. Ultrastructural observation showed that synaptic alterations were less pronounced after chronic thienorphine administration than after chronic morphine administration. Animals that received thienorphine had thinner postsynaptic densities and shorter active zones in the NAc compared with those in the saline group, but the active zone was larger, and the cleft narrower, than those in the morphine group. Furthermore, synaptophysin expression in the NAc was significantly greater after chronic administration of thienorphine, morphine, or both, than after saline. These results identified interesting differences between thienorphine and morphine in their effects on synaptic structure and synaptophysin expression in the rat NAc. Further study is deserved to investigate thienorphine as a new treatment for opioid dependence.
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Li KW, Jimenez CR. Synapse proteomics: current status and quantitative applications. Expert Rev Proteomics 2014; 5:353-60. [DOI: 10.1586/14789450.5.2.353] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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15
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Pan S, Carter CJ, Raikhel NV. Understanding protein trafficking in plant cells through proteomics. Expert Rev Proteomics 2014; 2:781-92. [PMID: 16209656 DOI: 10.1586/14789450.2.5.781] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The functions of approximately one-third of the proteins encoded by the Arabidopsis thaliana genome are completely unknown. Moreover, many annotations of the remainder of the genome supply tentative functions, at best. Knowing the ultimate localization of these proteins, as well as the pathways used for getting there, may provide clues as to their functions. The putative localization of most proteins currently relies on in silico-based bioinformatics approaches, which, unfortunately, often result in erroneous predictions. Emerging proteomics techniques coupled with other systems biology approaches now provide researchers with a plethora of methods for elucidating the final location of these proteins on a large scale, as well as the ability to dissect protein-sorting pathways in plants.
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Affiliation(s)
- Songqin Pan
- WM Keck Proteomics Laboratory, Center for Plant Cell Biology, Botany & Plant Sciences, University of California, Riverside, CA 92521, USA.
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16
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Tribl F, Meyer HE, Marcus K. Analysis of organelles within the nervous system: impact on brain and organelle functions. Expert Rev Proteomics 2014; 5:333-51. [DOI: 10.1586/14789450.5.2.333] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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17
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Stockton SD, Devi LA. An integrated quantitative proteomics and systems biology approach to explore synaptic protein profile changes during morphine exposure. Neuropsychopharmacology 2014; 39:88-103. [PMID: 24045585 PMCID: PMC3857660 DOI: 10.1038/npp.2013.227] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Accepted: 07/10/2013] [Indexed: 12/20/2022]
Abstract
Morphine is a classic analgesic for the treatment of chronic pain. However, its repeated use is known to produce tolerance, physical dependence, and addiction; these properties limit its long-term therapeutic use and this has led to a quest for therapeutics without these unwanted side effects. Understanding the molecular changes in response to long-term use of morphine is likely to aid in the development of novel therapeutics for the treatment of pain. Studies examining the effects of chronic morphine administration have reported alterations in gene expression, synapse morphology, and synaptic transmission implying changes in synaptic protein profile. To fully understand the changes in protein profiles, proteomic techniques have been used. Studies using two-dimensional gel electrophoresis of various brain regions combined with mass spectrometry have found alterations in the levels of a number of proteins. However, neither the changes in brain regions relevant to morphine effects nor changes in the abundance of synaptic proteins have been clearly delineated. Recent studies employing subcellular fractionation to isolate the striatal synapse, combined with quantitative proteomics and graph theory-inspired network analyses, have begun to quantify morphine-regulated changes in synaptic proteins and facilitate the generation of networks that could serve as targets for the development of novel therapeutics for the treatment of chronic pain. Thus, an integrated quantitative proteomics and systems biology approach can be useful to identify novel targets for the treatment of pain and other disorders of the brain.
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Affiliation(s)
- Steven D Stockton
- Department of Pharmacology and Systems Therapeutics and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Lakshmi A Devi
- Department of Pharmacology and Systems Therapeutics and Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA
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Effect of Chronic Morphine Consumption on Synaptic Plasticity of Rat's Hippocampus: A Transmission Electron Microscopy Study. Neurol Res Int 2013; 2013:290414. [PMID: 24379975 PMCID: PMC3863539 DOI: 10.1155/2013/290414] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Revised: 09/27/2013] [Accepted: 09/29/2013] [Indexed: 01/20/2023] Open
Abstract
It is well known that the synapses undergo some changes in the brain during the course of normal life and under certain pathological or experimental circumstances. One of the main goals of numerous researchers has been to find the reasons for these structural changes. In the present study, we investigated the effects of chronic morphine consumption on synaptic plasticity, postsynaptic density thickness, and synaptic curvatures of hippocampus CA1 area of rats. So for reaching these goals, 24 N-Mary male rats were randomly divided into three groups, morphine (n = 8), placebo (n = 8), and control (n = 8) groups. In the morphine group, complex of morphine (0.1, 0.2, 0.3, and 0.4) mg/mL and in the placebo (sucrose) group complex of sucrose (% 0.3) were used for 21 days. After the end of drug treatment the animals were scarified and perfused intracardinally and finally the CA1 hippocampal samples were taken for ultrastructural studies, and then the obtained data were analyzed by SPSS and one-way analysis of variance. Our data indicated that synaptic numbers per nm(3) change significantly in morphine group compared to the other two groups (placebo and control) (P < 0.001) and also statistical analysis revealed a significant difference between groups in terms of thickness of postsynaptic density (P < 0.001) and synaptic curvature (P < 0.007). It seems that morphine dependence in rats plays a main role in the ultrastructural changes of hippocampus.
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Craft GE, Chen A, Nairn AC. Recent advances in quantitative neuroproteomics. Methods 2013; 61:186-218. [PMID: 23623823 PMCID: PMC3891841 DOI: 10.1016/j.ymeth.2013.04.008] [Citation(s) in RCA: 97] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2012] [Revised: 03/29/2013] [Accepted: 04/13/2013] [Indexed: 01/07/2023] Open
Abstract
The field of proteomics is undergoing rapid development in a number of different areas including improvements in mass spectrometric platforms, peptide identification algorithms and bioinformatics. In particular, new and/or improved approaches have established robust methods that not only allow for in-depth and accurate peptide and protein identification and modification, but also allow for sensitive measurement of relative or absolute quantitation. These methods are beginning to be applied to the area of neuroproteomics, but the central nervous system poses many specific challenges in terms of quantitative proteomics, given the large number of different neuronal cell types that are intermixed and that exhibit distinct patterns of gene and protein expression. This review highlights the recent advances that have been made in quantitative neuroproteomics, with a focus on work published over the last five years that applies emerging methods to normal brain function as well as to various neuropsychiatric disorders including schizophrenia and drug addiction as well as of neurodegenerative diseases including Parkinson's disease and Alzheimer's disease. While older methods such as two-dimensional polyacrylamide electrophoresis continued to be used, a variety of more in-depth MS-based approaches including both label (ICAT, iTRAQ, TMT, SILAC, SILAM), label-free (label-free, MRM, SWATH) and absolute quantification methods, are rapidly being applied to neurobiological investigations of normal and diseased brain tissue as well as of cerebrospinal fluid (CSF). While the biological implications of many of these studies remain to be clearly established, that there is a clear need for standardization of experimental design and data analysis, and that the analysis of protein changes in specific neuronal cell types in the central nervous system remains a serious challenge, it appears that the quality and depth of the more recent quantitative proteomics studies is beginning to shed light on a number of aspects of neuroscience that relates to normal brain function as well as of the changes in protein expression and regulation that occurs in neuropsychiatric and neurodegenerative disorders.
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Affiliation(s)
- George E Craft
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06508
| | - Anshu Chen
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06508
| | - Angus C Nairn
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, 06508
- Yale/NIDA Neuroproteomics Center, Yale University School of Medicine, New Haven, CT, 06508
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20
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The synaptic proteome in Alzheimer's disease. Alzheimers Dement 2012; 9:499-511. [PMID: 23154051 DOI: 10.1016/j.jalz.2012.04.009] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 12/28/2011] [Accepted: 04/25/2012] [Indexed: 11/23/2022]
Abstract
BACKGROUND Synaptic dysfunction occurs early in Alzheimer's disease (AD) and is recognized to be a primary pathological target for treatment. Synapse degeneration or dysfunction contributes to clinical signs of dementia through altered neuronal communication; the degree of synaptic loss correlates strongly with cognitive impairment. The molecular mechanisms underlying synaptic degeneration are still unclear, and identifying abnormally expressed synaptic proteins in AD brain will help to elucidate such mechanisms and to identify therapeutic targets that might slow AD progression. METHODS Synaptosomal fractions from human autopsy brain tissue from subjects with AD (n = 6) and without AD (n = 6) were compared using two-dimensional differential in-gel electrophoresis. AD pathology is region specific; human subjects can be highly variable in age, medication, and other factors. To counter these factors, two vulnerable areas (the hippocampus and the temporal cortex) were compared with two relatively spared areas (the motor and occipital cortices) within each group. Proteins exhibiting significant changes in expression were identified (≥20% change, Newman-Keuls P value < .05) using either matrix-assisted laser desorption ionization time-of-flight or electrospray ionisation quadrupole-time of flight mass spectrometry. RESULTS Twenty-six different synaptic proteins exhibited more than twofold differences in expression between AD and normal subjects. These proteins are involved in regulating different cellular functions, including energy metabolism, signal transduction, vesicle transport, structure, and antioxidant activity. CONCLUSION Comparative proteome analysis uncovered markers of pathogenic mechanisms involved in synaptic dysfunction.
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Drastichova Z, Skrabalova J, Jedelsky P, Neckar J, Kolar F, Novotny J. Global changes in the rat heart proteome induced by prolonged morphine treatment and withdrawal. PLoS One 2012; 7:e47167. [PMID: 23056601 PMCID: PMC3467212 DOI: 10.1371/journal.pone.0047167] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 09/10/2012] [Indexed: 12/18/2022] Open
Abstract
Morphine belongs among the most commonly used opioids in medical practice due to its strong analgesic effects. However, sustained administration of morphine leads to the development of tolerance and dependence and may cause long-lasting alterations in nervous tissue. Although proteomic approaches enabled to reveal changes in multiple gene expression in the brain as a consequence of morphine treatment, there is lack of information about the effect of this drug on heart tissue. Here we studied the effect of 10-day morphine exposure and subsequent drug withdrawal (3 or 6 days) on the rat heart proteome. Using the iTRAQ technique, we identified 541 proteins in the cytosol, 595 proteins in the plasma membrane-enriched fraction and 538 proteins in the mitochondria-enriched fraction derived from the left ventricles. Altogether, the expression levels of 237 proteins were altered by morphine treatment or withdrawal. The majority of changes (58 proteins) occurred in the cytosol after a 3-day abstinence period. Significant alterations were found in the expression of heat shock proteins (HSP27, α-B crystallin, HSP70, HSP10 and HSP60), whose levels were markedly up-regulated after morphine treatment or withdrawal. Besides that morphine exposure up-regulated MAPK p38 (isoform CRA_b) which is a well-known up-stream mediator of phosphorylation and activation of HSP27 and α-B crystallin. Whereas there were no alterations in the levels of proteins involved in oxidative stress, several changes were determined in the levels of pro- and anti-apoptotic proteins. These data provide a complex view on quantitative changes in the cardiac proteome induced by morphine treatment or withdrawal and demonstrate great sensitivity of this organ to morphine.
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Affiliation(s)
- Zdenka Drastichova
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Jitka Skrabalova
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Petr Jedelsky
- Department of Cell Biology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
| | - Jan Neckar
- Department of Developmental Cardiology, Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Frantisek Kolar
- Department of Developmental Cardiology, Institute of Physiology, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Jiri Novotny
- Department of Physiology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
- * E-mail:
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22
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Bousette N, Gramolini AO, Kislinger T. Proteomics-based investigations of animal models of disease. Proteomics Clin Appl 2012; 2:638-53. [PMID: 21136864 DOI: 10.1002/prca.200780043] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Cells contain a large yet, constant genome, which contains all the coding information necessary to sustain cellular physiology. However, proteins are the end products of genes, and hence dictate the phenotype of cells and tissues. Therefore, proteomics can provide key information for the elucidation of physiological and pathophysiological mechanisms by identifying the protein profile from cells and tissues. The relatively novel techniques used for the study of proteomics thus have the potential to improve diagnostic, prognostic, as well as therapeutic avenues. In this review, we first discuss the benefits of animal models over the use of human samples for the proteomic analysis of human disease. Next, we aim to demonstrate the potential of proteomics in the elucidation of disease mechanisms that may not be possible by other conventional technologies. Following this, we describe the use of proteomics for the analysis of PTM and protein interactions in animal models and their relevance to the study of human disease. Finally, we discuss the development of clinical biomarkers for the early diagnosis of disease via proteomic analysis of animal models. We also discuss the development of standard proteomes and relate how this data will benefit future proteomic research. A comprehensive review of all animal models used in conjunction with proteomics is beyond the scope of this manuscript. Therefore, we aimed to cover a large breadth of topics, which together, demonstrate the potential of proteomics as a powerful tool in biomedical research.
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Affiliation(s)
- Nicolas Bousette
- Department of Physiology, University of Toronto, Toronto, Ontario, Canada; Heart and Stroke/Richard Lewar Centre of Cardiovascular Excellence, Toronto, Ontario, Canada
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23
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Changes in morphine-induced activation of cerebral Na+,K+-ATPase during morphine tolerance: Biochemical and behavioral consequences. Biochem Pharmacol 2012; 83:1572-81. [DOI: 10.1016/j.bcp.2012.02.023] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Revised: 02/23/2012] [Accepted: 02/24/2012] [Indexed: 11/17/2022]
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24
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Effects of chronic tramadol exposure on the zebrafish brain: A proteomic study. J Proteomics 2012; 75:3351-64. [DOI: 10.1016/j.jprot.2012.03.038] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2011] [Revised: 03/12/2012] [Accepted: 03/26/2012] [Indexed: 11/18/2022]
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Brown JN, Ortiz GM, Angel TE, Jacobs JM, Gritsenko M, Chan EY, Purdy DE, Murnane RD, Larsen K, Palermo RE, Shukla AK, Clauss TR, Katze MG, McCune JM, Smith RD. Morphine produces immunosuppressive effects in nonhuman primates at the proteomic and cellular levels. Mol Cell Proteomics 2012; 11:605-18. [PMID: 22580588 DOI: 10.1074/mcp.m111.016121] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Morphine has long been known to have immunosuppressive properties in vivo, but the molecular and immunologic changes induced by it are incompletely understood. To explore how these changes interact with lentiviral infections in vivo, animals from two nonhuman primate species (African green monkeys and pigtailed macaques) were provided morphine and studied using a systems biology approach. Biological specimens were obtained from multiple sources (e.g. lymph node, colon, cerebrospinal fluid, and peripheral blood) before and after the administration of morphine (titrated up to a maximum dose of 5 mg/kg over a period of 20 days). Cellular immune, plasma cytokine, and proteome changes were measured and morphine-induced changes in these parameters were assessed on an interorgan, interindividual, and interspecies basis. In both species, morphine was associated with decreased levels of Ki-67(+) T-cell activation but with only minimal changes in overall T-cell counts, neutrophil counts, and NK cell counts. Although changes in T-cell maturation were observed, these varied across the various tissue/fluid compartments studied. Proteomic analysis revealed a morphine-induced suppressive effect in lymph nodes, with decreased abundance of protein mediators involved in the functional categories of energy metabolism, signaling, and maintenance of cell structure. These findings have direct relevance for understanding the impact of heroin addiction and the opioids used to treat addiction as well as on the potential interplay between opioid abuse and the immunological response to an infective agent.
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Affiliation(s)
- Joseph N Brown
- Biological Sciences Division, Pacific Northwest National Laboratories, Richland, Washington 99352, USA
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26
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Yakovlev AA, Peregud DI, Panchenko LF, Gulyaeva NV. Involvement of brain intracellular proteolytic systems in the effects of opiates: Caspases. NEUROCHEM J+ 2011. [DOI: 10.1134/s1819712411040192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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27
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Abul-Husn NS, Annangudi SP, Ma'ayan A, Ramos-Ortolaza DL, Stockton SD, Gomes I, Sweedler JV, Devi LA. Chronic morphine alters the presynaptic protein profile: identification of novel molecular targets using proteomics and network analysis. PLoS One 2011; 6:e25535. [PMID: 22043286 PMCID: PMC3197197 DOI: 10.1371/journal.pone.0025535] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2011] [Accepted: 09/06/2011] [Indexed: 02/01/2023] Open
Abstract
Opiates produce significant and persistent changes in synaptic transmission; knowledge of the proteins involved in these changes may help to understand the molecular mechanisms underlying opiate dependence. Using an integrated quantitative proteomics and systems biology approach, we explored changes in the presynaptic protein profile following a paradigm of chronic morphine administration that leads to the development of dependence. For this, we isolated presynaptic fractions from the striata of rats treated with saline or escalating doses of morphine, and analyzed the proteins in these fractions using differential isotopic labeling. We identified 30 proteins that were significantly altered by morphine and integrated them into a protein-protein interaction (PPI) network representing potential morphine-regulated protein complexes. Graph theory-based analysis of this network revealed clusters of densely connected and functionally related morphine-regulated clusters of proteins. One of the clusters contained molecular chaperones thought to be involved in regulation of neurotransmission. Within this cluster, cysteine-string protein (CSP) and the heat shock protein Hsc70 were downregulated by morphine. Interestingly, Hsp90, a heat shock protein that normally interacts with CSP and Hsc70, was upregulated by morphine. Moreover, treatment with the selective Hsp90 inhibitor, geldanamycin, decreased the somatic signs of naloxone-precipitated morphine withdrawal, suggesting that Hsp90 upregulation at the presynapse plays a role in the expression of morphine dependence. Thus, integration of proteomics, network analysis, and behavioral studies has provided a greater understanding of morphine-induced alterations in synaptic composition, and identified a potential novel therapeutic target for opiate dependence.
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Affiliation(s)
- Noura S. Abul-Husn
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
| | - Suresh P. Annangudi
- Department of Chemistry, Beckman Institute, University of Illinois at Urban-Champaign, Urbana, Illinois, United States of America
| | - Avi Ma'ayan
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
| | - Dinah L. Ramos-Ortolaza
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
| | - Steven D. Stockton
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
| | - Ivone Gomes
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
| | - Jonathan V. Sweedler
- Department of Chemistry, Beckman Institute, University of Illinois at Urban-Champaign, Urbana, Illinois, United States of America
| | - Lakshmi A. Devi
- Department of Pharmacology and Systems Therapeutics, Mount Sinai School of Medicine, New York, New York, United States of America
- * E-mail:
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Wang J, Yuan W, Li MD. Genes and pathways co-associated with the exposure to multiple drugs of abuse, including alcohol, amphetamine/methamphetamine, cocaine, marijuana, morphine, and/or nicotine: a review of proteomics analyses. Mol Neurobiol 2011; 44:269-86. [PMID: 21922273 DOI: 10.1007/s12035-011-8202-4] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2011] [Accepted: 08/31/2011] [Indexed: 10/17/2022]
Abstract
Drug addiction is a chronic neuronal disease. In recent years, proteomics technology has been widely used to assess the protein expression in the brain tissues of both animals and humans exposed to addictive drugs. Through this approach, a large number of proteins potentially involved in the etiology of drug addictions have been identified, which provide a valuable resource to study protein function, biochemical pathways, and networks related to the molecular mechanisms underlying drug dependence. In this article, we summarize the recent application of proteomics to profiling protein expression patterns in animal or human brain tissues after the administration of alcohol, amphetamine/methamphetamine, cocaine, marijuana, morphine/heroin/butorphanol, or nicotine. From available reports, we compiled a list of 497 proteins associated with exposure to one or more addictive drugs, with 160 being related to exposure to at least two abused drugs. A number of biochemical pathways and biological processes appear to be enriched among these proteins, including synaptic transmission and signaling pathways related to neuronal functions. The data included in this work provide a summary and extension of the proteomics studies on drug addiction. Furthermore, the proteins and biological processes highlighted here may provide valuable insight into the cellular activities and biological processes in neurons in the development of drug addiction.
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Affiliation(s)
- Ju Wang
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA 22911, USA
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29
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Lin X, Wang Q, Cheng Y, Ji J, Yu LC. Changes of protein expression profiles in the amygdala during the process of morphine-induced conditioned place preference in rats. Behav Brain Res 2011; 221:197-206. [DOI: 10.1016/j.bbr.2011.03.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2010] [Revised: 02/23/2011] [Accepted: 03/01/2011] [Indexed: 11/17/2022]
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30
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Taurines R, Dudley E, Grassl J, Warnke A, Gerlach M, Coogan AN, Thome J. Proteomic research in psychiatry. J Psychopharmacol 2011; 25:151-96. [PMID: 20142298 DOI: 10.1177/0269881109106931] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Psychiatric disorders such as Alzheimer's disease, schizophrenia and mood disorders are severe and disabling conditions of largely unknown origin and poorly understood pathophysiology. An accurate diagnosis and treatment of these disorders is often complicated by their aetiological and clinical heterogeneity. In recent years proteomic technologies based on mass spectrometry have been increasingly used, especially in the search for diagnostic and prognostic biomarkers in neuropsychiatric disorders. Proteomics enable an automated high-throughput protein determination revealing expression levels, post-translational modifications and complex protein-interaction networks. In contrast to other methods such as molecular genetics, proteomics provide the opportunity to determine modifications at the protein level thereby possibly being more closely related to pathophysiological processes underlying the clinical phenomenology of specific psychiatric conditions. In this article we review the theoretical background of proteomics and its most commonly utilized techniques. Furthermore the current impact of proteomic research on diverse psychiatric diseases, such as Alzheimer's disease, schizophrenia, mood and anxiety disorders, drug abuse and autism, is discussed. Proteomic methods are expected to gain crucial significance in psychiatric research and neuropharmacology over the coming decade.
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Affiliation(s)
- Regina Taurines
- Academic Unit of Psychiatry, The School of Medicine, Institute of Life Science, Swansea University, Singleton Park, Swansea SA2 8PP, UK
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31
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Bodzon-Kułakowska A, Kułakowski K, Drabik A, Moszczynski A, Silberring J, Suder P. Morphinome - A meta-analysis applied to proteomics studies in morphine dependence. Proteomics 2010; 11:5-21. [DOI: 10.1002/pmic.200900848] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2009] [Revised: 09/14/2010] [Accepted: 10/13/2010] [Indexed: 11/09/2022]
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32
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Bodzon-Kulakowska A, Suder P, Drabik A, Kotlinska JH, Silberring J. Constant activity of glutamine synthetase after morphine administration versus proteomic results. Anal Bioanal Chem 2010; 398:2939-42. [PMID: 20936267 PMCID: PMC2990007 DOI: 10.1007/s00216-010-4244-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2010] [Revised: 09/18/2010] [Accepted: 09/21/2010] [Indexed: 11/28/2022]
Abstract
Glutamine synthetase is a key enzyme which has a regulatory role in the brain glutamate pool. According to previously published proteomic analysis, it was shown that the expression level of this enzyme is affected by morphine administration. In our study, we examined the activity of glutamine synthetase in various structures of rat brain (cortex, striatum, hippocampus and spinal cord) that are biochemically and functionally involved in drug addiction and antinociception caused by morphine. We were not able to observe any significant changes in the enzyme activity between morphine-treated and control samples despite previously reported changes in the expression levels of this enzyme. These findings stressed the fact that changes observed in the expression of particular proteins during proteomic studies may not be correlated with its activity.
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Affiliation(s)
- Anna Bodzon-Kulakowska
- Department of Biochemistry and Neurobiology, Faculty of Materials Science and Ceramics, University of Science and Technology, Mickiewicza 30 st, Krakow 30-059, Poland
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Bekheet SH, Saker SA, Abdel-Kader AM, Younis AEA. Histopathological and biochemical changes of morphine sulphate administration on the cerebellum of albino rats. Tissue Cell 2010; 42:165-75. [PMID: 20434749 DOI: 10.1016/j.tice.2010.03.005] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2009] [Revised: 01/25/2010] [Accepted: 03/08/2010] [Indexed: 11/16/2022]
Abstract
In this study the long-term effects of morphine sulphate treatment (MST) on histopathological and biochemical changes in the cerebellum was assessed in albino rats. Normal saline (5ml) was given orally as placebo in the control group (n=25). Morphine groups received morphine orally at a dose level of 5mg/kg body weight day after day for 10, 20 and 30 days (n=25/group). Light microscopy revealed that the molecular layer showed vacuolation. The Purkinje cells lost their specific shaped appearance, decreased in size and numbers. The granular cells highly degenerated. Electron microscopy revealed fragmentation of the cisterns of the both types of endoplasmic reticulum, resulted in a progressive depletion of total protein contents as well as general carbohydrates in all treated groups as supported by histochemical observation. Obvious destruction of mitochondrial inner membrane and cristae mediate cell death. Also, abnormal nucleus with deformed perforated nuclear membrane and deformation of the plasma membrane with degeneration of the synapses could interpreted as a sign of necrosis. Biochemical analysis revealed that dopamine (DA) and norepinephrine (NE) were significantly decreased in four brain areas (cortex striatum, thalamus/hypothalamus, and cerebellum). In contrast, serotonin (5-HT) level was increased in these brain regions; with an exception of 5-HT on day 10 and neurotransmitter levels in the pons were unaffected. The quantitative analysis showed a significant decrease (P<0.05) in the diameter of Purkinje cells and in the thickness of both molecular and granular layers treated groups. Morphine sulphate induces may be a cell death or necrosis in the rat cerebellum and modulating neurotransmitter system. Our findings pointed out the risk of increased cerebellum damage due to long-term of morphine use.
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Affiliation(s)
- S H Bekheet
- Zoology Department, Faculty of Science, South Valley University, Aswan 81528, Egypt.
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Lin X, Wang Q, Ji J, Yu LC. Role of MEK-ERK pathway in morphine-induced conditioned place preference in ventral tegmental area of rats. J Neurosci Res 2010; 88:1595-604. [PMID: 20091775 DOI: 10.1002/jnr.22326] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A major goal of research on drug addiction is to develop the effective treatments to deal with the long-term behavioral disorders especially reinstatement induced by the addictive drugs such as opiates, cocaine, and cannabinoid. The molecular mechanisms underlying these substance-related disorders remain unclear so far. Here we used the model of morphine-induced conditioned place preference (CPP) in rats to mimic the progress of drug-taking, withdrawal and relapse in human. The tissue of ventral tegmental area (VTA), one of the most important brain structures associated with abused drug-related disorders, was taken and two-dimensional electrophoresis (2-DE) was performed to analyze and compare the changes of protein expression patterns during the different stages of morphine-induced CPP. First, we found that there were 80 proteins identified to be changed in the process of morphine-induced CPP. Furthermore, as the mitogen-activated protein kinase kinase 1 (MAPKK1) was increased significantly in the stages of establishment and reinstatement, we confirmed the change of activated extracellular signal-regulated kinase (ERK) by Western blotting in VTA tissue and cultured cell. The results demonstrated that the activated MEK-ERK pathway by chronic morphine treatment in VTA was involved in morphine-induced reinstatement. Moreover, inhibition of MEK-ERK pathway by infusion the MEK inhibitor U0126 in VTA blocked the establishment of morphine-induced CPP. The present study found significant changes in a group of protein expressions in VTA during morphine-induced CPP and further confirmed the role of MEK-ERK cell signaling pathway of VTA in morphine addiction.
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Affiliation(s)
- XiaoJing Lin
- The National Laboratory of Protein Engineering and Plant Genetic Engineering, College of Life Sciences, Peking University, Beijing, China
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Suder P, Bodzon-Kulakowska A, Mak P, Bierczynska-Krzysik A, Daszykowski M, Walczak B, Lubec G, Kotlinska JH, Silberring J. The proteomic analysis of primary cortical astrocyte cell culture after morphine administration. J Proteome Res 2010; 8:4633-40. [PMID: 19642706 DOI: 10.1021/pr900443r] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Astrocytes are supportive cells, necessary for ensure optimal environment for neural cells functioning. They are involved in extracellular K+ level regulation and neurotransmitters removal. They are also dependent for myelination and synapses formation. They may make a contribution in signal propagation in the central nervous system, for example, through Ca2+ signaling. With the use of neonatal pure astrocyte cell culture, we investigated changes in astrocyte's proteomes under the influence of morphine. We found 10 major proteins, which show different expression between physiological cell culture and morphine treatment. With 2D gel electrophoresis and nanoLC-ESI-MS/MS, we identified proteins and characterized their potential role in morphine dependence. Observed differences were also confirmed by Western blotting. Our data suggests a role for astrocytes in the formation of the morphine dependence at the molecular level. This finding may support interpretation of causes of morphine dependence formation based only on behavioral data.
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Affiliation(s)
- Piotr Suder
- Neurobiochemistry Department, Faculty of Chemistry, Jagiellonian University, Ingardena 3 Street, 30-060 Krakow, Poland.
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Lull ME, Freeman WM, VanGuilder HD, Vrana KE. The use of neuroproteomics in drug abuse research. Drug Alcohol Depend 2010; 107:11-22. [PMID: 19926406 PMCID: PMC3947580 DOI: 10.1016/j.drugalcdep.2009.10.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/19/2008] [Revised: 09/21/2009] [Accepted: 10/15/2009] [Indexed: 01/08/2023]
Abstract
The number of discovery proteomic studies of drug abuse has begun to increase in recent years, facilitated by the adoption of new techniques such as 2D-DIGE and iTRAQ. For these new tools to provide the greatest insight into the neurobiology of addiction, however, it is important that the addiction field has a clear understanding of the strengths, limitations, and drug abuse-specific research factors of neuroproteomic studies. This review outlines approaches for improving animal models, protein sample quality and stability, proteome fractionation, data analysis, and data sharing to maximize the insights gained from neuroproteomic studies of drug abuse. For both the behavioral researcher interested in what proteomic study results mean, and for biochemists joining the drug abuse research field, a careful consideration of these factors is needed. Similar to genomic, transcriptomic, and epigenetic methods, appropriate use of new proteomic technologies offers the potential to provide a novel and global view of the neurobiological changes underlying drug addiction. Proteomic tools may be an enabling technology to identify key proteins involved in drug abuse behaviors, with the ultimate goal of understanding the etiology of drug abuse and identifying targets for the development of therapeutic agents.
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Affiliation(s)
- Melinda E. Lull
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Willard M. Freeman
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA, Functional Genomics Facility, Penn State College of Medicine, Hershey, PA 17033, USA
| | | | - Kent E. Vrana
- Department of Pharmacology, Penn State College of Medicine, Hershey, PA 17033, USA,Corresponding author at: Department of Pharmacology, R130, Penn State College of Medicine, 500 University Drive, P.O. Box 850, Hershey, PA 17033, USA. Tel.: +1 717 531 8285; fax: +1 717 531 0419. (K.E. Vrana)
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Li P, Maguma HT, Thayne K, Davis B, Taylor DA. Correlation of the time course of development and decay of tolerance to morphine with alterations in sodium pump protein isoform abundance. Biochem Pharmacol 2009; 79:1015-24. [PMID: 19896926 DOI: 10.1016/j.bcp.2009.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2009] [Revised: 10/26/2009] [Accepted: 11/02/2009] [Indexed: 10/20/2022]
Abstract
Since the heterologous tolerance that develops after chronic morphine administration has been proposed to be an adaptive process, it follows that the time course of the change in the cellular components should coincide with the time course of the altered responsiveness. This study correlated the time course over which heterologous tolerance develops with changes in the abundance of selected proteins in the guinea-pig longitudinal muscle/myenteric plexus (LM/MP) preparation. Tissues were obtained at various times following a single surgical implantation procedure and heterologous tolerance confirmed by a significant reduction in the sensitivity of the LM/MP to inhibition of neurogenic twitches by morphine, DAMGO, and 2-CADO. Tolerance developed with a delayed onset (significant 2-5-fold reduction in sensitivity by day 4 after pellet implantation) that reached a maximum by 7 days (4-8-fold reduction in responsiveness) that was maintained through 14 days with normal sensitivity spontaneously returning by 21 days post-implantation. Dot blot analysis was used to examine the abundance of the alpha(1) and alpha(3) subunit isoforms of the Na(+)/K(+) ATPase and beta-actin over the same time course. The results showed significant decreases in abundance of the alpha(3) subunit at 4, 7, and 10 days following pellet implantation but no change in beta-actin or the alpha(1) subunit at any time period. These data support the idea that heterologous tolerance following chronic morphine exposure results from a cellular adaptive change that may involve a change in the abundance of the alpha(3) subunit isoform of the Na(+)/K(+) ATPase.
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Affiliation(s)
- Peng Li
- Department of Pharmacology and Toxicology, The Brody School of Medicine at East Carolina University, The Brody Medical Sciences Building, 600 Moye Boulevard, Greenville, NC 27834, United States
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Neuroproteomics: understanding the molecular organization and complexity of the brain. Nat Rev Neurosci 2009; 10:635-46. [DOI: 10.1038/nrn2701] [Citation(s) in RCA: 146] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Bodzon-Kulakowska A, Suder P, Mak P, Bierczynska-Krzysik A, Lubec G, Walczak B, Kotlinska J, Silberring J. Proteomic analysis of striatal neuronal cell cultures after morphine administration. J Sep Sci 2009; 32:1200-10. [PMID: 19296477 DOI: 10.1002/jssc.200800464] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Using primary neuronal cell culture assays, combined with 2-D gel electrophoresis and capillary LC-MS, we identified differences in proteomes between control and morphine-treated cells. Statistically significant differences were observed among 26 proteins. Nineteen of them were up-regulated, while seven were down-regulated in morphine-treated cell populations. The identified proteins belong to classes involved in energy metabolism, associated with oxidative stress, linked with protein biosynthesis, cytoskeletal ones, and chaperones. The detected proteins demand further detailed studies of their biological roles in morphine addiction. It is crucial to confirm observed processes in vivo in order to reveal the nature and importance of the biological effect of proteome changes after morphine administration. Further investigations may lead to the discovery of new proteome-based effects of morphine on living organisms.
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Affiliation(s)
- Anna Bodzon-Kulakowska
- Neurobiochemistry Department, Faculty of Chemistry, Jagiellonian University, Krakow, Poland
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Li Q, Zhao X, Zhong LJ, Yang HY, Wang Q, Pu XP. Effects of chronic morphine treatment on protein expression in rat dorsal root ganglia. Eur J Pharmacol 2009; 612:21-8. [DOI: 10.1016/j.ejphar.2009.03.049] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2008] [Revised: 03/17/2009] [Accepted: 03/23/2009] [Indexed: 01/23/2023]
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Lull ME, Erwin MS, Morgan D, Roberts DC, Vrana KE, Freeman WM. Persistent proteomic alterations in the medial prefrontal cortex with abstinence from cocaine self-administration. Proteomics Clin Appl 2009; 3:462-472. [PMID: 20161123 PMCID: PMC2742427 DOI: 10.1002/prca.200800055] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2008] [Indexed: 11/10/2022]
Abstract
Neuroproteomic studies of drug abuse offer the potential for a systems-level understanding of addiction. Understanding cocaine-responsive alterations in brain protein expression that persist even with extended abstinence may provide insight into relapse liability. In the current study, protein changes in the medial prefrontal cortex of cocaine self-administering rats following 1 and 100 days of enforced abstinence were quantified by 2D-DIGE. We have previously reported increased drug-seeking and drug-taking, as well as mRNA and epigenetic changes in this model even after 100 days of enforced abstinence. A number of statistically-significant changes in proteins relating to synapse function and neuronal remodeling were evident, including neurofilament medium and heat shock protein 73 (Hsp73) which increased at 1 day of abstinence, but returned to normal levels following 100 days of abstinence. -1 and synaptosome-associated protein 25 kDa (SNAP-25) were unchanged at 1 day of abstinence, but were significantly decreased after 100 days. These data demonstrate that while some protein changes return to normal levels following enforced cocaine abstinence, a number remain or become altered after long periods, up to 100 days, of cocaine abstinence. Those protein expression changes that do not reset to pre-cocaine exposure levels may contribute to the persistent relapse potential that occurs in response to cocaine abstinence.
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Affiliation(s)
| | - Mandi S. Erwin
- Department of Pharmacology, Penn State College of Medicine
| | | | - David C.S. Roberts
- Department of Physiology & Pharmacology, Wake Forest University School of Medicine
| | - Kent E. Vrana
- Department of Pharmacology, Penn State College of Medicine
| | - Willard M. Freeman
- Department of Pharmacology, Penn State College of Medicine
- Functional Genomics Facility, Penn State College of Medicine
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42
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Characterizing intercellular signaling peptides in drug addiction. Neuropharmacology 2008; 56 Suppl 1:196-204. [PMID: 18722391 DOI: 10.1016/j.neuropharm.2008.07.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2008] [Revised: 07/23/2008] [Accepted: 07/28/2008] [Indexed: 11/23/2022]
Abstract
Intercellular signaling peptides (SPs) coordinate the activity of cells and influence organism behavior. SPs, a chemically and structurally diverse group of compounds responsible for transferring information between neurons, are broadly involved in neural plasticity, learning and memory, as well as in drug addiction phenomena. Historically, SP discovery and characterization has tracked advances in measurement capabilities. Today, a suite of analytical technologies is available to investigate individual SPs, as well as entire intercellular signaling complements, in samples ranging from individual cells to entire organisms. Immunochemistry and in situ hybridization are commonly used for following preselected SPs. Discovery-type investigations targeting the transcriptome and proteome are accomplished using high-throughput characterization technologies such as microarrays and mass spectrometry. By integrating directed approaches with discovery approaches, multiplatform studies fill critical gaps in our knowledge of drug-induced alterations in intercellular signaling. Throughout the past 35 years, the National Institute on Drug Abuse has made significant resources available to scientists that study the mechanisms of drug addiction. The roles of SPs in the addiction process are highlighted, as are the analytical approaches used to detect and characterize them.
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43
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Kobeissy FH, Sadasivan S, Liu J, Gold MS, Wang KKW. Psychiatric research: psychoproteomics, degradomics and systems biology. Expert Rev Proteomics 2008; 5:293-314. [PMID: 18466058 DOI: 10.1586/14789450.5.2.293] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
While proteomics has excelled in several disciplines in biology (cancer, injury and aging), neuroscience and psychiatryproteomic studies are still in their infancy. Several proteomic studies have been conducted in different areas of psychiatric disorders, including drug abuse (morphine, alcohol and methamphetamine) and other psychiatric disorders (depression, schizophrenia and psychosis). However, the exact cellular and molecular mechanisms underlying these conditions have not been fully investigated. Thus, one of the primary objectives of this review is to discuss psychoproteomic application in the area of psychiatric disorders, with special focus on substance- and drug-abuse research. In addition, we illustrate the potential role of degradomic utility in the area of psychiatric research and its application in establishing and identifying biomarkers relevant to neurotoxicity as a consequence of drug abuse. Finally, we will discuss the emerging role of systems biology and its current use in the field of neuroscience and its integral role in establishing a comprehensive understanding of specific brain disorders and brain function in general.
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Affiliation(s)
- Firas H Kobeissy
- McKnight Brain Institute, Department of Psychiatry, University of Florida College of Medicine, Gainesville, FL 32611, USA.
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44
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Miller LC, Sossin WS. The significance of organellar proteomics for the nervous system. Proteomics Clin Appl 2007; 1:1436-45. [PMID: 21136641 DOI: 10.1002/prca.200700366] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2007] [Indexed: 12/16/2022]
Abstract
Organellar proteomics is a useful tool for gaining biological insights about structures in the cell. Here, we discuss the tools used in organellar proteomics and the impact of this technique in understanding nervous system function. We will review insights gained from the proteomes of nervous system-specific organelles such as synaptic vesicles and the postsynaptic density. Moreover, we will show how comparison of proteomes between organelles isolated from the nervous system and from other tissues highlight nervous system-specific functions using the examples of clathrin-coated vesicles and RNA granules.
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Affiliation(s)
- Linda C Miller
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada
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45
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Collins BC, Clarke A, Kitteringham NR, Gallagher WM, Pennington SR. Use of proteomics for the discovery of early markers of drug toxicity. Expert Opin Drug Metab Toxicol 2007; 3:689-704. [DOI: 10.1517/17425255.3.5.689] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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46
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Li MD, Wang J. Neuroproteomics and its applications in research on nicotine and other drugs of abuse. Proteomics Clin Appl 2007; 1:1406-27. [PMID: 21136639 DOI: 10.1002/prca.200700321] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2007] [Indexed: 12/24/2022]
Abstract
The rapidly growing field of neuroproteomics is able to track changes in protein expression and protein modifications underlying various physiological conditions, including the neural diseases related to drug addiction. Thus, it presents great promise in characterizing protein function, biochemical pathways, and networks to understand the mechanisms underlying drug dependence. In this article, we first provide an overview of proteomics technologies and bioinformatics tools available to analyze proteomics data. Then we summarize the recent applications of proteomics to profile the protein expression pattern in animal or human brain tissues after the administration of nicotine, alcohol, amphetamine, butorphanol, cocaine, and morphine. By comparing the protein expression profiles in response to chronic nicotine exposure with those appearing in response to treatment with other drugs of abuse, we identified three biological processes that appears to be regulated by multiple drugs of abuse: energy metabolism, oxidative stress response, and protein degradation and modification. Such similarity indicates that despite the obvious differences among their chemical properties and the receptors with which they interact, different substances of abuse may cause some similar changes in cellular activities and biological processes in neurons.
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Affiliation(s)
- Ming D Li
- Department of Psychiatry and Neurobehavioral Sciences, University of Virginia, Charlottesville, VA, USA.
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47
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Abstract
Our knowledge of the complex synaptic proteome and its relationship to physiological or pathological conditions is rapidly expanding. This has been greatly accelerated by the application of various evolving proteomic techniques, enabling more efficient protein resolution, more accurate protein identification, and more comprehensive characterization of proteins undergoing quantitative and qualitative changes. More recently, the combination of the classical subcellular fractionation techniques for the isolation of synaptosomes from the brain with the various proteomic analyses has facilitated this effort. This has resulted from the enrichment of many low abundant proteins comprising the fundamental structure and molecular machinery of brain neurotransmission and neuroplasticity. The analysis of various subproteomes obtained from the synapse, such as synaptic vesicles, synaptic membranes, presynaptic particles, synaptodendrosomes, and postsynaptic densities (PSD) holds great promise for improving our understanding of the temporal and spatial processes that coordinate synaptic proteins in closely related complexes under both normal and diseased states. This chapter will summarize a selection of recent studies that have drawn upon established and emerging proteomic technologies, along with fractionation techniques that are essential to the isolation and analysis of specific synaptic components, in an effort to understand the complexity and plasticity of the synapse proteome.
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48
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McClatchy DB, Liao L, Park SK, Venable JD, Yates JR. Quantification of the synaptosomal proteome of the rat cerebellum during post-natal development. Genome Res 2007; 17:1378-88. [PMID: 17675365 PMCID: PMC1950906 DOI: 10.1101/gr.6375007] [Citation(s) in RCA: 84] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Large-scale proteomic analysis of the mammalian brain has been successfully performed with mass spectrometry techniques, such as Multidimensional Protein Identification Technology (MudPIT), to identify hundreds to thousands of proteins. Strategies to efficiently quantify protein expression levels in the brain in a large-scale fashion, however, are lacking. Here, we demonstrate a novel quantification strategy for brain proteomics called SILAM (Stable Isotope Labeling in Mammals). We utilized a (15)N metabolically labeled rat brain as an internal standard to perform quantitative MudPIT analysis on the synaptosomal fraction of the cerebellum during post-natal development. We quantified the protein expression level of 1138 proteins in four developmental time points, and 196 protein alterations were determined to be statistically significant. Over 50% of the developmental changes observed have been previously reported using other protein quantification techniques, and we also identified proteins as potential novel regulators of neurodevelopment. We report the first large-scale proteomic analysis of synaptic development in the cerebellum, and we demonstrate a useful quantitative strategy for studying animal models of neurological disease.
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Affiliation(s)
- Daniel B. McClatchy
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California 92037, USA
| | - Lujian Liao
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California 92037, USA
| | - Sung Kyu Park
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California 92037, USA
| | - John D. Venable
- Genomics Institute of the Novartis Research Foundation, San Diego, California 92121, USA
| | - John R. Yates
- Department of Cell Biology, The Scripps Research Institute, La Jolla, California 92037, USA
- Corresponding author.E-mail ; fax (858) 784-8883
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Affiliation(s)
- Anna E Speers
- Department of Pharmacology, University of Colorado School of Medicine, P.O. Box 6511, MS 8303, Aurora, Colorado 80045, USA
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50
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Yang L, Sun ZS, Zhu YP. Proteomic Analysis of Rat Prefrontal Cortex in Three Phases of Morphine-Induced Conditioned Place Preference. J Proteome Res 2007; 6:2239-47. [PMID: 17444669 DOI: 10.1021/pr060649o] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Morphological alterations of synapse are found after morphine administration, suggesting that regulation of synaptic plasticity may be one of the mechanisms of neuroadaptation in addiction. However, the molecular basis underlying the abnormal synapse morphological and physiological changes in the morphine-induced dependence, withdraw, and relapse is not well understood. As prefrontal cortex (PFC) is one of the most important brain regions, which provides executive control over drug use and is severely impaired in many addicts, systematic analysis of the biochemical and molecular alteration of synaptic fraction of PFC in morphine-induced neuroadaptation is necessary. In this study, differential protein expression profiling of synaptic fraction of rat PFC based on morphine-induced conditioned place preference (CPP) model was performed with two-dimensional gel electrophoresis (2-DE). Our results showed that a total of 80 proteins were differentially expressed by 2-DE analysis during three phases of CPP assay. Of them, 58 were further identified by mass spectrometry. These proteins were classified into multiple categories, such as energy metabolism, signal transduction, synaptic transmission, cytoskeletal proteins, chaperones, and local synaptic protein synthetic machinery according to their biological functions. Our study provides a global view of synaptic-related molecular networking in PFC under morphine-induced dependence, withdraw, and relapse, indicative of a concerted biological process in neuroadaptation under chronic morphine exposure.
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Affiliation(s)
- Liu Yang
- James D. Watson Institute of Genome Sciences, Zhejiang University, Hangzhou, Zhejiang, PR China
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