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Kotsyuba E, Dyachuk V. Effects of Chronic Exposure to Low Doses of Rotenone on Dopaminergic and Cholinergic Neurons in the CNS of Hemigrapsus sanguineus. Int J Mol Sci 2024; 25:7159. [PMID: 39000265 PMCID: PMC11241242 DOI: 10.3390/ijms25137159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/23/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Rotenone, as a common pesticide and insecticide frequently found in environmental samples, may be present in aquatic habitats worldwide. Exposure to low concentrations of this compound may cause alterations in the nervous system, thus contributing to Parkinsonian motor symptoms in both vertebrates and invertebrates. However, the effects of chronic exposure to low doses of rotenone on the activity of neurotransmitters that govern motor functions and on the specific molecular mechanisms leading to movement morbidity remain largely unknown for many aquatic invertebrates. In this study, we analyzed the effects that rotenone poisoning exerts on the activity of dopamine (DA) and acetylcholine (ACh) synthesis enzymes in the central nervous system (CNS) of Asian shore crab, Hemigrapsus sanguineus (de Haan, 1835), and elucidated the association of its locomotor behavior with Parkinson's-like symptoms. An immunocytochemistry analysis showed a reduction in tyrosine hydroxylase (TH) in the median brain and the ventral nerve cord (VNC), which correlated with the subsequent decrease in the locomotor activity of shore crabs. We also observed a variation in cholinergic neurons' activity, mostly in the ventral regions of the VNC. Moreover, the rotenone-treated crabs showed signs of damage to ChAT-lir neurons in the VNC. These data suggest that chronic treatment with low doses of rotenone decreases the DA level in the VNC and the ACh level in the brain and leads to progressive and irreversible reductions in the crab's locomotor activity, life span, and changes in behavior.
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Affiliation(s)
- Elena Kotsyuba
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
| | - Vyacheslav Dyachuk
- A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch, Russian Academy of Sciences, 690041 Vladivostok, Russia
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Walters ET. Nociceptive Biology of Molluscs and Arthropods: Evolutionary Clues About Functions and Mechanisms Potentially Related to Pain. Front Physiol 2018; 9:1049. [PMID: 30123137 PMCID: PMC6085516 DOI: 10.3389/fphys.2018.01049] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 07/16/2018] [Indexed: 01/15/2023] Open
Abstract
Important insights into the selection pressures and core molecular modules contributing to the evolution of pain-related processes have come from studies of nociceptive systems in several molluscan and arthropod species. These phyla, and the chordates that include humans, last shared a common ancestor approximately 550 million years ago. Since then, animals in these phyla have continued to be subject to traumatic injury, often from predators, which has led to similar adaptive behaviors (e.g., withdrawal, escape, recuperative behavior) and physiological responses to injury in each group. Comparisons across these taxa provide clues about the contributions of convergent evolution and of conservation of ancient adaptive mechanisms to general nociceptive and pain-related functions. Primary nociceptors have been investigated extensively in a few molluscan and arthropod species, with studies of long-lasting nociceptive sensitization in the gastropod, Aplysia, and the insect, Drosophila, being especially fruitful. In Aplysia, nociceptive sensitization has been investigated as a model for aversive memory and for hyperalgesia. Neuromodulator-induced, activity-dependent, and axotomy-induced plasticity mechanisms have been defined in synapses, cell bodies, and axons of Aplysia primary nociceptors. Studies of nociceptive sensitization in Drosophila larvae have revealed numerous molecular contributors in primary nociceptors and interacting cells. Interestingly, molecular contributors examined thus far in Aplysia and Drosophila are largely different, but both sets overlap extensively with those in mammalian pain-related pathways. In contrast to results from Aplysia and Drosophila, nociceptive sensitization examined in moth larvae (Manduca) disclosed central hyperactivity but no obvious peripheral sensitization of nociceptive responses. Squid (Doryteuthis) show injury-induced sensitization manifested as behavioral hypersensitivity to tactile and especially visual stimuli, and as hypersensitivity and spontaneous activity in nociceptor terminals. Temporary blockade of nociceptor activity during injury subsequently increased mortality when injured squid were exposed to fish predators, providing the first demonstration in any animal of the adaptiveness of nociceptive sensitization. Immediate responses to noxious stimulation and nociceptive sensitization have also been examined behaviorally and physiologically in a snail (Helix), octopus (Adopus), crayfish (Astacus), hermit crab (Pagurus), and shore crab (Hemigrapsus). Molluscs and arthropods have systems that suppress nociceptive responses, but whether opioid systems play antinociceptive roles in these phyla is uncertain.
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Affiliation(s)
- Edgar T Walters
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX, United States
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Abstract
Dopamine is an ancient signaling molecule. It is responsible for maintaining the adaptability of behavioral outputs and is found across taxa. The following is a summary of the role of dopamine and the mechanisms of its function and dysfunction. We discuss our recent findings on dopaminergic control of behaviors in C. elegans and discuss its potential implications for work in the fields of C. elegans and Parkinson research.
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Tropea C, López Greco LS. Effect of long-term injection of dopamine on the ovarian growth ofCherax quadricarinatusjuvenile females (Parastacidae, Decapoda). ACTA ZOOL-STOCKHOLM 2012. [DOI: 10.1111/j.1463-6395.2012.00575.x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Christie AE, Stemmler EA, Dickinson PS. Crustacean neuropeptides. Cell Mol Life Sci 2010; 67:4135-69. [PMID: 20725764 PMCID: PMC11115526 DOI: 10.1007/s00018-010-0482-8] [Citation(s) in RCA: 169] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Revised: 07/09/2010] [Accepted: 07/28/2010] [Indexed: 10/19/2022]
Abstract
Crustaceans have long been used for peptide research. For example, the process of neurosecretion was first formally demonstrated in the crustacean X-organ-sinus gland system, and the first fully characterized invertebrate neuropeptide was from a shrimp. Moreover, the crustacean stomatogastric and cardiac nervous systems have long served as models for understanding the general principles governing neural circuit functioning, including modulation by peptides. Here, we review the basic biology of crustacean neuropeptides, discuss methodologies currently driving their discovery, provide an overview of the known families, and summarize recent data on their control of physiology and behavior.
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Affiliation(s)
- Andrew E Christie
- Program in Neuroscience, John W. and Jean C. Boylan Center for Cellular and Molecular Physiology, Mount Desert Island Biological Laboratory, Old Bar Harbor Road, P.O. Box 35, Salisbury Cove, ME 04672, USA.
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Alcaro A, Huber R, Panksepp J. Behavioral functions of the mesolimbic dopaminergic system: an affective neuroethological perspective. BRAIN RESEARCH REVIEWS 2007; 56:283-321. [PMID: 17905440 PMCID: PMC2238694 DOI: 10.1016/j.brainresrev.2007.07.014] [Citation(s) in RCA: 299] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2006] [Revised: 07/03/2007] [Accepted: 07/03/2007] [Indexed: 12/11/2022]
Abstract
The mesolimbic dopaminergic (ML-DA) system has been recognized for its central role in motivated behaviors, various types of reward, and, more recently, in cognitive processes. Functional theories have emphasized DA's involvement in the orchestration of goal-directed behaviors and in the promotion and reinforcement of learning. The affective neuroethological perspective presented here views the ML-DA system in terms of its ability to activate an instinctual emotional appetitive state (SEEKING) evolved to induce organisms to search for all varieties of life-supporting stimuli and to avoid harms. A description of the anatomical framework in which the ML system is embedded is followed by the argument that the SEEKING disposition emerges through functional integration of ventral basal ganglia (BG) into thalamocortical activities. Filtering cortical and limbic input that spreads into BG, DA transmission promotes the "release" of neural activity patterns that induce active SEEKING behaviors when expressed at the motor level. Reverberation of these patterns constitutes a neurodynamic process for the inclusion of cognitive and perceptual representations within the extended networks of the SEEKING urge. In this way, the SEEKING disposition influences attention, incentive salience, associative learning, and anticipatory predictions. In our view, the rewarding properties of drugs of abuse are, in part, caused by the activation of the SEEKING disposition, ranging from appetitive drive to persistent craving depending on the intensity of the affect. The implications of such a view for understanding addiction are considered, with particular emphasis on factors predisposing individuals to develop compulsive drug seeking behaviors.
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Affiliation(s)
- Antonio Alcaro
- Department of Biological Sciences and J.P. Scott Center for Neuroscience, Mind & Behavior, Bowling Green State University, Life Science Building, Bowling Green, OH, 43403, USA
- Santa Lucia Foundation, European Centre for Brain Research (CERC), Via del Fosso di Fiorano 65, 00143 Rome, Italy
| | - Robert Huber
- Department of Biological Sciences and J.P. Scott Center for Neuroscience, Mind & Behavior, Bowling Green State University, Life Science Building, Bowling Green, OH, 43403, USA
| | - Jaak Panksepp
- Department of Biological Sciences and J.P. Scott Center for Neuroscience, Mind & Behavior, Bowling Green State University, Life Science Building, Bowling Green, OH, 43403, USA
- Department of VCAPP, Center for the Study of Animal Well-Being, College of Veterinary Medicine, Washington State University, Pullman, WA 99163, USA
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Kishori B, Reddy PS. Role of methionine-enkephalin on the regulation of carbohydrate metabolism in the rice field crab Oziotelphusa senex senex. C R Biol 2005; 328:812-20. [PMID: 16168362 DOI: 10.1016/j.crvi.2005.07.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2004] [Accepted: 07/13/2005] [Indexed: 10/25/2022]
Abstract
In the present study, the role of eyestalks and involvement of methionine-enkephalin in the regulation of haemolymph sugar level was studied. Bilateral eyestalk ablation significantly decreased the haemolymph sugar levels, whereas injection of eyestalk extract into ablated crabs significantly increased the haemolymph sugar levels. Total carbohydrate (TCHO) and glycogen levels were significantly increased in hepatopancreas and muscle of eyestalk-ablated crabs, with a decrease in phosphorylase activity. Injection of eyestalk extract into ablated crabs resulted in partial/complete reversal of these changes. Injection of methionine-enkephalin into intact crabs significantly increased the haemolymph sugar level in a dose-dependent manner. Total tissue carbohydrate and glycogen levels were significantly decreased, with an increase in phosphorylase activity in hepatopancreas and muscle tissues of intact crabs after methionine-enkephalin injection. Methionine-enkephalin injection did not cause any changes in haemolymph sugar, tissue total carbohydrate and glycogen levels and activity levels of phosphorylase in eyestalk-ablated crabs. These results suggest that the eyestalks are the main source of hyperglycaemic hormone and methionine-enkephalin induces hyperglycaemia through eyestalks.
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Affiliation(s)
- Battini Kishori
- Department of Biotechnology, Sri Venkateswara University, Tirupati, 517 502, India
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Tierney AJ, Kim T, Abrams R. Dopamine in crayfish and other crustaceans: distribution in the central nervous system and physiological functions. Microsc Res Tech 2003; 60:325-35. [PMID: 12539162 DOI: 10.1002/jemt.10271] [Citation(s) in RCA: 56] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Dopamine is widely distributed in the crustacean nervous system and has a diverse array of physiological effects. Immunocytochemical studies of several species have shown that dopamine- and/or tyrosine hydroxylase-containing cells occur in all ganglia of the central nervous system and that processes from some of these cells link ganglia of the ventral nerve cord. This study describes the distribution of tyrosine hydroxylase-containing cells in the central nervous system of a crayfish (Orconectes rusticus) and compares this information to available data from other species. The distribution of tyrosine hydroxylase (an enzyme in the synthetic pathway between tyrosine and dopamine) in O. rusticus is similar to that reported for marine species. However, differences were observed in the number of neurons in some ganglia and in the axonal projections of the L cell, which were more extensive in O. rusticus than in other species studied thus far. We also review the physiological effects of dopamine in crayfish and other crustaceans, focusing on the amine's actions in the endocrine, cardiovascular, and nervous systems, and on behavior when injected into freely-moving animals.
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Affiliation(s)
- Ann Jane Tierney
- Department of Psychology, Colgate University, Hamilton, New York 13346, USA.
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Passarelli F, Merante A, Pontieri FE, Margotta V, Venturini G, Palladini G. Opioid-dopamine interaction in planaria: a behavioral study. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART C, PHARMACOLOGY, TOXICOLOGY & ENDOCRINOLOGY 1999; 124:51-5. [PMID: 10579648 DOI: 10.1016/s0742-8413(99)00048-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The behavioral response of planaria to the exposure to selective opioid agonists was studied. The mu agonist [d-ala2, N-methyl-Phe4,Gly5-ol]enkephalin (DAMGO) and the 6 agonist [D-Pen2, D-Pen5]enkephalin (DPDPE) failed to alter motor activity at all doses tested. Low doses of the selective kappa agonist (+/-)-trans-U-50-trans-3,4-dichloro-N-methyl-N[2-(1-pyrrodinyl)-cyclohexyl]benzene acetamide methasulphonate (U50, 488) and bremazocine-HCl increased motor activity leading to C-like position (CLP) and screw-like hyperkinesia (SLH). These changes were identical to those seen previously with the exposure to D2 or D1 dopamine receptor agonists, respectively. Higher doses of kappa agonists produced the enhancement of CLP and SLH together with robust snake-like movements (SLM). This latter response, that was typical of stimulation of kappa opioid receptors, was blocked by co-exposure to naloxone or the selective kappa antagonist Nor-binaltorphimine (Nor-BNI). Finally, co-exposure to sulpiride or SH-23390 respectively blocked the CLP or SLH response produced by U50,488 or bremazocine. Our data indicate the presence of kappa opioid receptors in planaria and suggest the functional interaction between the opioid and dopamine system in this simple animal model.
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MESH Headings
- 3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer/pharmacology
- Animals
- Benzomorphans/pharmacology
- Dopamine/physiology
- Dopamine Antagonists/pharmacology
- Enkephalin, Ala(2)-MePhe(4)-Gly(5)-/pharmacology
- Enkephalin, D-Penicillamine (2,5)-/pharmacology
- Motor Activity/drug effects
- Narcotic Antagonists
- Planarians/drug effects
- Planarians/physiology
- Receptors, Opioid/agonists
- Receptors, Opioid/physiology
- Receptors, Opioid, kappa/agonists
- Receptors, Opioid, kappa/antagonists & inhibitors
- Receptors, Opioid, kappa/physiology
- Sulpiride/pharmacology
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Affiliation(s)
- F Passarelli
- Department of Neuroscience, University La Sapienza, Rome, Italy
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Hanke J, Jaros PP, Willig A. Autoradiographic localization of opioid binding sites combined with immunogold detection of Leu-enkephalin, crustacean hyperglycaemic hormone and moult inhibiting hormone at the electron microscopic level in the sinus gland of the shore crab, Carcinus maenas. HISTOCHEMISTRY 1993; 99:405-10. [PMID: 8392990 DOI: 10.1007/bf00717053] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Double labelling experiments were performed on the same tissue section at the electron microscopic level, in order to show the involvement of the opioid leucine-enkephalin (Leu-enk) in the modulation of crustacean hyperglycaemic hormone (CHH) mobilization. Both neuropeptides were stored in distinct axon terminals of the sinus gland of Carcinus maenas. A post-embedding immunogold cytochemical technique for Leu-enk, CHH and the CHH neurohormone related moult inhibiting hormone (MIH) was combined with a scintillator intensified autoradiographic method to demonstrate binding of the opioid antagonist [3H] naloxone. Ultrathin sections were successively incubated with antisera against Leu-enk, CHH or MIH, and the corresponding colloidal gold labelled antisera, followed by autoradiographic processing. At the ultrastructural level [3H] naloxone binding sites were easily recognized by their silver tracks after development. Opioid binding sites for [3H] naloxone were visualized only at membranes of CHH-containing axon terminals. These results provide morphological evidence for direct enkephalinergic control of CHH containing neurons in the sinus gland of C. maenas and are furthermore the first autoradiographic demonstration of opioid binding sites in the nervous system of invertebrates.
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Affiliation(s)
- J Hanke
- Carl von Ossietzky Universität, Abteilung Zoophysiologie, Oldenburg, Germany
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Lüschen W, Buck F, Willig A, Jaros PP. Isolation, sequence analysis, and physiological properties of enkephalins in the nervous tissue of the shore crab Carcinus maenas L. Proc Natl Acad Sci U S A 1991; 88:8671-5. [PMID: 11607217 PMCID: PMC52571 DOI: 10.1073/pnas.88.19.8671] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
[Leu]- and [Met]enkephalin from thoracic ganglia of the shore crab Carcinus maenas have been purified to homogeneity by a reversed-phase HPLC procedure. Automated gas-phase sequencing revealed a primary structure identical with that of enkephalins from vertebrates. The immunoreactive material in different parts of the nervous system of C. maenas was measured by RIA. Isolated crustacean [Leu]enkephalin shows physiological properties identical to synthetic [Leu]enkephalin in our bioassay. The enkephalinergic effect has been monitored by two bioassays: (i) inhibition of release of crustacean hyperglycemic hormone from isolated eyestalks of C. maenas, and (ii) decreased effect on blood glucose level in the fiddler crab Uca pugilator. The decrease in blood sugar level induced by [Leu]enkephalin was antagonized by naloxone, indicating a receptor-mediated process. In sequence analysis, the thoracic ganglion yielded 3 pmol of [Leu]enkephalin and approximately 1 pmol of [Met]enkephalin. The presence of enkephalins in crustaceans shows an earlier phylogenetic origin of opioids than presumed.
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