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Pérez-Pereira A, Carrola JS, Tiritan ME, Ribeiro C. Enantioselectivity in ecotoxicity of pharmaceuticals, illicit drugs, and industrial persistent pollutants in aquatic and terrestrial environments: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169573. [PMID: 38151122 DOI: 10.1016/j.scitotenv.2023.169573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/19/2023] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
At present, there is a serious concern about the alarming number of recalcitrant contaminants that can negatively affect biodiversity threatening the ecological status of marine, estuarine, freshwater, and terrestrial ecosystems (e.g., agricultural soils and forests). Contaminants of emerging concern (CEC) such as pharmaceuticals (PHAR), illicit drugs (ID), industrial persistent pollutants, such as polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs) and chiral ionic solvents are globally spread and potentially toxic to non-target organisms. More than half of these contaminants are chiral and have been measured at different enantiomeric proportions in diverse ecosystems. Enantiomers can exhibit different toxicodynamics and toxicokinetics, and thus, can cause different toxic effects. Therefore, the enantiomeric distribution in occurrence cannot be neglected as the toxicity and other adverse biological effects are expected to be enantioselective. Hence, this review aims to reinforce the recognition of the stereochemistry in environmental risk assessment (ERA) of chiral CEC and gather up-to-date information about the current knowledge regarding the enantioselectivity in ecotoxicity of PHAR, ID, persistent pollutants (PCBs and PBDEs) and chiral ionic solvents present in freshwater and agricultural soil ecosystems. We performed an online literature search to obtain state-of-the-art research about enantioselective studies available for assessing the impact of these classes of CEC. Ecotoxicity assays have been carried out using organisms belonging to different trophic levels such as microorganisms, plants, invertebrates, and vertebrates, and considering ecologically relevant aquatic and terrestrial species or models organisms recommended by regulatory entities. A battery of ecotoxicity assays was also reported encompassing standard acute toxicity to sub-chronic and chronic assays and different endpoints as biomarkers of toxicity (e.g., biochemical, morphological alterations, reproduction, behavior, etc.). Nevertheless, we call attention to the lack of knowledge about the potential enantioselective toxicity of many PHAR, ID, and several classes of industrial compounds. Additionally, several questions regarding key species, selection of most appropriate toxicological assays and ERA of chiral CEC are addressed and critically discussed.
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Affiliation(s)
- A Pérez-Pereira
- 1H-TOXRUN - One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal; University of Trás-os-Montes and Alto Douro (UTAD), Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Vila Real, Portugal
| | - J S Carrola
- University of Trás-os-Montes and Alto Douro (UTAD), Centre for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), Vila Real, Portugal; Inov4Agro - Institute for Innovation, Capacity Building and Sustainability of Agri-food Production, Portugal
| | - M E Tiritan
- 1H-TOXRUN - One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal; Laboratory of Organic and Pharmaceutical Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal; Interdisciplinary Center of Marine and Environmental Research (CIIMAR), University of Porto, Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal.
| | - C Ribeiro
- 1H-TOXRUN - One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU, CRL, 4585-116 Gandra, Portugal.
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Lo Faro AF, Sprega G, Berardinelli D, Tini A, Poyatos L, Pichini S, Farrè M, Farkas T, Busardò FP, Giunashvili L, Chankvetadze B. Development of enantioselective high-performance liquid chromatography-tandem mass spectrometry method for quantitative determination of methylone and some of its metabolites in oral fluid. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1228:123824. [PMID: 37487291 DOI: 10.1016/j.jchromb.2023.123824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/26/2023]
Abstract
In the present study an enantioselective high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed for the first time for quantitative determination of the recreational drug of abuse methylone and its major metabolites in oral fluid. The simultaneous chemo- and enantioseparation of methylone and its major metabolites was performed on a polysaccharide-based chiral column based on amylose tris(5-chloro-3-methylphenylcarbamate) as chiral selector (Lux i-Amylose-3) with methanol containing 0.4 % (v/v) aqueous ammonium hydroxide as mobile phase. The time required for enantioselective analysis of methylone and its 2 major metabolites was 15 min. This method was fully validated following the Organization of Scientific Area Committees (OSAC) for Forensic Science guidelines. This method was applied for the enantioselective determination of methylone and its metabolites in oral fluid and enantioselectivity in metabolism and pharmacokinetic of the parent compound and metabolites was observed. While the first enantiomer of methylone was found at higher concentration, both metabolites shown greater concentration for the second enantiomer. The results revealed that MET undergoes an enantioselective biotransformation to its metabolites HMMC and MDC, with S-(-)-MET more rapidly metabolized and eliminated from the body.
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Affiliation(s)
- Alfredo Fabrizio Lo Faro
- Department of Excellence-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Giorgia Sprega
- Department of Excellence-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Diletta Berardinelli
- Department of Excellence-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Anastasio Tini
- Department of Excellence-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60121 Ancona, Italy
| | - Lourdes Poyatos
- Servei de Farmacologia Clínica, Hospital Universitari Germans Trias i Pujol (HUGTiP, IGTP)- Universitat Autònoma de Barcelona, Unitat Docent HUGTiP, Badalona, Spain
| | - Simona Pichini
- National Centre on Addiction and Doping, Istituto Superiore di Sanità, Rome, Italy
| | - Magì Farrè
- Servei de Farmacologia Clínica, Hospital Universitari Germans Trias i Pujol (HUGTiP, IGTP)- Universitat Autònoma de Barcelona, Unitat Docent HUGTiP, Badalona, Spain
| | - Tivadar Farkas
- Phenomenex Inc., 411 Madrid Ave., Torrance, 90501 CA, USA
| | - Francesco Paolo Busardò
- Department of Excellence-Biomedical Sciences and Public Health, Università Politecnica delle Marche, 60121 Ancona, Italy.
| | - Lasha Giunashvili
- Tbilisi State University, Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, 0179 Tbilisi, Georgia
| | - Bezhan Chankvetadze
- Tbilisi State University, Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, 0179 Tbilisi, Georgia
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De Felice B, De Pascalis F, Manenti R, Pavlovic R, di Cesare F, Nasti R, Beretta G, Parolini M. Differential biochemical and behavioral responses induced by cocaine and benzoylecgonine exposure to the red swamp crayfish Procambarus clarkii. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157025. [PMID: 35777565 DOI: 10.1016/j.scitotenv.2022.157025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/28/2022] [Accepted: 06/24/2022] [Indexed: 06/15/2023]
Abstract
Cocaine (COC) and its main metabolite, the benzoylecgonine (BE), are the main illicit drugs measured in aquatic system worldwide, with concentrations up to hundreds of ng/L. Although their current environmental concentrations are low these molecules can induce adverse effects at sub-individual level in non-target organisms. In contrast, the information at individual and behavioral level are still scant. The present study aimed at investigating biochemical and behavioral effects induced by 14-days exposure to environmentally relevant concentrations (50 ng/L and 500 ng/L) of COC and BE towards Procambarus clarkii. At sub-individual level, the activity of antioxidant and detoxifying (superoxide dismutase - SOD, catalase - CAT, glutathione peroxidase - GPx and glutathione S-transferases - GST) enzymes, as well as the levels of lipid peroxidation (LPO), were measured as oxidative stress-related endpoints. We also measured the acetylcholinesterase (AChE) activity to check for neurotoxic effect of COC and BE. At individual level, the modulation of some behavioral tasks (i.e., response to external stimuli, changes in feeding activity and exploration of a new environment) were assessed. Although both COC and BE exposure did not induce an oxidative stress situation, a significant inhibition of AChE activity was noted, resulting in behavioral changes in crayfish exposed to COC only. Crayfish exposed to the higher COC concentration showed an increase in the boldness and a decrease in the feeding activity, suggesting that COC may act according to its psychotropic mode of action.
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Affiliation(s)
- Beatrice De Felice
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy.
| | - Federico De Pascalis
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy
| | - Raoul Manenti
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy
| | - Radmila Pavlovic
- University of Milan, Department of Veterinary Medicine and Animal Science, Via dell'Università 6, I-26900 Lodi, Italy
| | - Federica di Cesare
- University of Milan, Department of Veterinary Medicine and Animal Science, Via dell'Università 6, I-26900 Lodi, Italy
| | - Rita Nasti
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy
| | - Giangiacomo Beretta
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy
| | - Marco Parolini
- University of Milan, Department of Environmental Science and Policy, Via Celoria 26, I-20133 Milan, Italy
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Nicotine-induced C-shape movements in planarians are reduced by antinociceptive drugs: Implications for pain in planarian paroxysm etiology? Brain Res 2022; 1778:147770. [PMID: 34979130 PMCID: PMC8816893 DOI: 10.1016/j.brainres.2021.147770] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/21/2021] [Accepted: 12/28/2021] [Indexed: 11/21/2022]
Abstract
C-shapes are stereotyped movements in planarians that are elicited by diverse stimuli (e.g. acidity, excitatory neurotransmitters, psychostimulants, and pro-convulsants). Muscle contraction and seizure contribute to the expression of C-shape movements, but a causative role for pain is understudied and unclear. Here, using nicotine-induced C-shapes as the endpoint, we tested the efficacy of three classes of antinociceptive compounds - an opioid, NSAID (non-steroidal anti-inflammatory drug), and transient receptor potential ankyrin 1 (TRPA1) channel antagonist. For comparison we also tested effects of a neuromuscular blocker. Nicotine (0.1-10 mM) concentration-dependently increased C-shapes. DAMGO (1-10 µM), a selective µ-opioid agonist, inhibited nicotine (5 mM)-induced C-shapes. Naloxone (0.1-10 µM), an opioid receptor antagonist, prevented the DAMGO (1 µM)-induced reduction of nicotine (5 mM)-evoked C-shapes, suggesting an opioid receptor mechanism. C-shapes induced by nicotine (5 mM) were also reduced by meloxicam (10-100 µM), a NSAID; HC 030,031 (1-10 µM), a TRPA1 antagonist; and pancuronium (10-100 µM), a neuromuscular blocker. Evidence that nicotine-induced C-shapes are reduced by antinociceptive drugs from different classes, and require opioid receptor and TRPA1 channel activation, suggest C-shape etiology involves a pain component.
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Kratom pharmacology: Clues from planarians exposed to mitragynine. Physiol Behav 2021; 239:113499. [PMID: 34146575 DOI: 10.1016/j.physbeh.2021.113499] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/12/2021] [Accepted: 06/12/2021] [Indexed: 11/21/2022]
Abstract
Mitragynine (MG), the most prevalent bioactive alkaloid in kratom, displays nanomolar affinity for µ, κ and δ opioid receptors and produces opioid-dependent antinociception and dependence in rats. Here, using a battery of behavioral assays, we investigated MG effects in planarians. Acute MG exposure (< 100 μM) did not affect planarian motility or environmental preference, but reduced motility was detected during abstinence from chronic MG (1, 10 μM). MG (10 μM) produced place conditioning effects that were reduced by naltrexone (10 μΜ). These results suggest that MG produces opioid-sensitive reinforcing effects in planarians and MG pharmacology is conserved across different species.
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Riley AL, Nelson KH, To P, López-Arnau R, Xu P, Wang D, Wang Y, Shen HW, Kuhn DM, Angoa-Perez M, Anneken JH, Muskiewicz D, Hall FS. Abuse potential and toxicity of the synthetic cathinones (i.e., “Bath salts”). Neurosci Biobehav Rev 2020; 110:150-173. [DOI: 10.1016/j.neubiorev.2018.07.015] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Revised: 06/14/2018] [Accepted: 07/24/2018] [Indexed: 01/22/2023]
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Synthetic cathinones and their phenethylamine analogues produce distinct psychomotor and reward behavior in crayfish. Behav Brain Res 2020; 379:112368. [PMID: 31743730 DOI: 10.1016/j.bbr.2019.112368] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 11/14/2019] [Accepted: 11/15/2019] [Indexed: 12/21/2022]
Abstract
Synthetic cathinones share potent sympathomimetic properties with amphetamines due to their shared phenethylamine backbone. Despite recent work focused on understanding the behavioral effects of synthetic cathinones, a systematic comparison of neuropharmacology, behavior, and physiological effects with other stimulants, has remained elusive. In the present study, we explore the behavioral effects of cathinones in crayfish, a model system which combines a well characterized behavioral paradigm for addiction-like behaviors, a modularly organized nervous system, the lack of a formal blood-brain barrier, and experimental tractability. The objective of this study was to characterize the psychomotor and rewarding effects of methylated cathinones (methylone, mephedrone), and their non β-ketone substituted amphetamine analogs (4-methylmethamphetamine, 4-MMA and 3,4-methylenedioxymethamphetamine MDMA) in crayfish. Our results suggest that these drugs produce psychostimulation, which sensitizes upon repeated drug administration. Furthermore, crayfish demonstrated a conditioned substrate preference for mephedrone and 4-MMA drug-pairings at a 10 μg/g dose, a preference which persisted even through a series of extinction trials. Our study indicates that synthetic cathinones and substituted amphetamine analogues produce distinct behavioral effects in an invertebrate system which consists of a relatively simple neuronal organization. The present findings provide an evolutionary context to our understanding about how drugs of abuse initiate reward at levels far beyond those specific to humans.
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Stereochemistry of phase-1 metabolites of mephedrone determines their effectiveness as releasers at the serotonin transporter. Neuropharmacology 2019; 148:199-209. [DOI: 10.1016/j.neuropharm.2018.12.032] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 12/17/2018] [Accepted: 12/31/2018] [Indexed: 12/20/2022]
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Bath salts and polyconsumption: in search of drug-drug interactions. Psychopharmacology (Berl) 2019; 236:1001-1014. [PMID: 30911791 DOI: 10.1007/s00213-019-05213-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Accepted: 03/01/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND RATIONALE Polydrug use is a widespread phenomenon, especially among adolescents and young adults. Synthetic cathinones are frequently consumed in combination with other drugs of abuse. However, there is very little information regarding the consequences of this specific consumption pattern. OBJECTIVES The aim of this review is to introduce this topic and highlight the gaps in the existing literature. In three different sections, we focus on specific interactions of synthetic cathinones with alcohol, cannabinoids, and the stimulants nicotine and cocaine. We then dedicate a section to the existence of sex and gender differences in the effects of synthetic cathinones and the long-term psychophysiological consequences of adolescent and prenatal exposure to these drugs. MAJOR FINDINGS Epidemiological studies, case reports, and results obtained in animal models point to the existence of pharmacological and pharmacokinetic interactions between synthetic cathinones and other drugs of abuse. This pattern of polyconsumption can cause the potentiation of negative effects, and the dissociation between objective and subjective effects can increase the combined use of the drugs and the risk of toxicity leading to serious health problems. Certain animal studies indicate a higher vulnerability and effect of cathinones in females. In humans, most of the users are men and case reports show long-term psychotic symptoms after repeated use. CONCLUSIONS The co-use of synthetic cathinones and the other drugs of abuse analyzed indicates potentiation of diverse effects including dependence and addiction, neurotoxicity, and impaired cognition and emotional responses. The motivations for and effects of synthetic cathinone use appear to be influenced by sex/gender. The long-term consequences of their use by adolescents and pregnant women deserve further investigation.
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Stereoselective effects of the second-generation synthetic cathinone α-pyrrolidinopentiophenone (α-PVP): assessments of conditioned taste avoidance in rats. Psychopharmacology (Berl) 2019; 236:1067-1077. [PMID: 30334086 PMCID: PMC8328279 DOI: 10.1007/s00213-018-5070-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 10/04/2018] [Indexed: 12/19/2022]
Abstract
RATIONALE Work with α-pyrrolidinopentiophenone (α-PVP), a second-generation synthetic cathinone, has been generally limited to the racemate. Given that with other synthetic cathinones, there are behavioral and neurochemical differences between their enantiomers, differences may also be seen with α-PVP. OBJECTIVES The present study assessed the relative contribution of each enantiomer to the aversive effects of racemic-α-PVP by comparing their ability to induce a conditioned taste avoidance. METHODS Adult male Sprague-Dawley rats were exposed every other day for four exposures to a novel saccharin solution followed immediately by an injection of 0 (saline vehicle) or 1.5, 3, or 6 mg/kg of S-, R-, or racemic-α-PVP (IP). On alternating days, all subjects were given access to water to assess any unconditioned effects of α-PVP on general fluid consumption. RESULTS Rats injected with the racemate and S-isomer of α-PVP displayed avoidance of the drug-associated saccharin solution, although this avoidance was dose-dependent only for the subjects injected with the racemate. There was no evidence of taste avoidance in animals injected with the R-enantiomer at any dose tested. Animals injected with 3 mg/kg racemic-α-PVP did not differ in avoidance from those treated with 1.5 mg/kg of the S-enantiomer, but subjects treated with 6 mg/kg racemic-α-PVP displayed a significantly stronger avoidance than those treated with 3 mg/kg S-α-PVP. CONCLUSIONS The present work suggests that the aversive effects of racemic α-PVP are mediated primarily by its S-isomer. The fact that at the highest dose tested (6 mg/kg), the racemate induces an avoidance greater than the simple additive effects of the S- and R-isomers (at 3 mg/kg) suggests that while the R-isomer may not induce taste avoidance at this dose, it may interact synergistically with the S-isomer in mediating the effects of the racemic mixture. These results were discussed in terms of similar effects with other behavioral and physiological endpoints reported with a number of psychostimulants and suggest that the enantiomers of α-PVP are an important variable in characterizing its behavioral effects.
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Silva B, Pereira JA, Cravo S, Araújo AM, Fernandes C, Pinto MMM, de Pinho PG, Remião F. Multi-milligram resolution and determination of absolute configuration of pentedrone and methylone enantiomers. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1100-1101:158-164. [PMID: 30336346 DOI: 10.1016/j.jchromb.2018.10.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Revised: 10/01/2018] [Accepted: 10/04/2018] [Indexed: 12/14/2022]
Abstract
The enantioresolution of pentedrone and methylone was carried out at a multi-milligram scale by liquid chromatography on a Chiralpak AS® stationary phase. The excellent enantioresolution using this column allowed to collect highly pure enantiomeric fractions, achieving enantiomeric ratios higher than 98%. An overall recovery of 72% was achieved for pentedrone enantiomers and 80% for methylone. Furthermore, the absolute configuration of the enantiomers of both cathinones was determined for the first time by electronic circular dichroism (ECD) spectroscopy, with the aid of theoretical calculations, as (+)‑(S) and (-)‑(R)-pentedrone, and (-)‑(S) and (+)‑(R)‑methylone.
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Affiliation(s)
- Bárbara Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - José A Pereira
- ICBAS, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Avenida General Norton de Matos, 4450-208 Matosinhos, Portugal
| | - Sara Cravo
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Avenida General Norton de Matos, 4450-208 Matosinhos, Portugal
| | - Ana Margarida Araújo
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Carla Fernandes
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Avenida General Norton de Matos, 4450-208 Matosinhos, Portugal.
| | - Madalena M M Pinto
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal; Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Universidade do Porto, Avenida General Norton de Matos, 4450-208 Matosinhos, Portugal
| | - Paula Guedes de Pinho
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Fernando Remião
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
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Simmons SJ, Kim E, Gentile TA, Murad A, Muschamp JW, Rawls SM. Behavioral Profiles and Underlying Transmitters/Circuits of Cathinone-Derived Psychostimulant Drugs of Abuse. CURRENT TOPICS IN NEUROTOXICITY 2018. [DOI: 10.1007/978-3-319-78707-7_8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Zewde AM, Yu F, Nayak S, Tallarida C, Reitz AB, Kirby LG, Rawls SM. PLDT (planarian light/dark test): an invertebrate assay to quantify defensive responding and study anxiety-like effects. J Neurosci Methods 2017; 293:284-288. [PMID: 29042260 DOI: 10.1016/j.jneumeth.2017.10.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2017] [Revised: 09/19/2017] [Accepted: 10/13/2017] [Indexed: 12/27/2022]
Abstract
BACKGROUND Planarians, like rodents, instinctively spend more time in dark versus light environments when given a choice. This behavioral phenomenon is called negative phototaxis, which may reflect defensive responding related to an anxiety-like phenotype. NEW METHOD We propose a planarian light/dark test, designated PLDT, to predict anxiogenic- or anxiolytic-like effects. Experimentally, we placed a planarian at the midline of a Petri dish, containing test compound or water, that was split evenly into light and dark compartments and determined time spent in the light over 10min. RESULTS A clinically-approved benzodiazepine agonist (clorazepate; 10μM) increased time spent in the light whereas an inverse benzodiazepine agonist (FG-7142; 1, 10μM) produced the opposite response. Fluoxetine (1μM) or ethanol (1%), as well as the 'bath salt' cathinone S-mephedrone (300μM), enhanced time spent in the light. Planarians exposed to predator (frog) odor spent more time in the dark. COMPARISON WITH EXISTING METHODS The light/dark box (LDB) test in rodents is used to screen putative medications for possible anxiolytic and anxiogenic effects. Our results showing that time spent in the light by planarians is enhanced by common anxiety-relieving drugs (e.g. benzodiazepine agonist, ethanol, fluoxetine) and decreased by anxiogenic substances (e.g. predator odor, benzodiazepine inverse agonist) reveal directionally similar effects in the established (LDB) and new (PLDT) assays. CONCLUSION Our data identify the PLDT as a cost-effective, invertebrate assay for quantifying the effects of practically any water-soluble substance on defensive responding and for studying and teaching anxiety-like responses in a living organism.
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Affiliation(s)
- Ashenafi Mebratu Zewde
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Frances Yu
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Sunil Nayak
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Christopher Tallarida
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Allen B Reitz
- Fox Chase Chemical Diversity Center, Doylestown, PA, USA
| | - Lynn G Kirby
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA; Department of Anatomy, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA
| | - Scott M Rawls
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA; Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA.
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Silva B, Fernandes C, Guedes de Pinho P, Remião F. Chiral Resolution and Enantioselectivity of Synthetic Cathinones: A Brief Review. J Anal Toxicol 2017; 42:17-24. [DOI: 10.1093/jat/bkx074] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 08/15/2017] [Indexed: 01/21/2023] Open
Affiliation(s)
- Bárbara Silva
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Carla Fernandes
- Laboratório de Química Orgânica e Farmacêutica, Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR), Edifício do Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos s/n, 4050-208 Matosinhos, Portugal
| | - Paula Guedes de Pinho
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
| | - Fernando Remião
- UCIBIO-REQUIMTE, Laboratório de Toxicologia, Departamento de Ciências Biológicas, Faculdade de Farmácia, Universidade do Porto, Rua Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal
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Philogene-Khalid HL, Hicks C, Reitz AB, Liu-Chen LY, Rawls SM. Synthetic cathinones and stereochemistry: S enantiomer of mephedrone reduces anxiety- and depressant-like effects in cocaine- or MDPV-abstinent rats. Drug Alcohol Depend 2017; 178. [PMID: 28646714 PMCID: PMC5548612 DOI: 10.1016/j.drugalcdep.2017.04.024] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND PURPOSE The neuropharmacological profile of the synthetic cathinone mephedrone (MEPH) is influenced by stereochemistry. Both MEPH enantiomers are monoamine transporter substrates, but R-MEPH is primarily responsible for rewarding effects of MEPH as it produces greater locomotor activation and intracranial self-stimulation than S-MEPH. S-MEPH is a 50-fold more potent 5-HT releaser than R-MEPH and does not place preference in rats. MEPH is also structurally similar to the cathinone derivative bupropion, an antidepressant and smoking cessation medication, suggesting MEPH has therapeutic and addictive properties. METHODS We tested the hypothesis that S-MEPH reduces anxiety- and depression-like behaviors in rats withdrawn from chronic cocaine or methylenedioxypyrovalerone (MDPV) using the elevated plus maze (EPM) and forced swim test (FST), respectively. Rats were tested 48-h after a binge-like paradigm (3×/day for 10days in 1-h intervals) of cocaine (10mg/kg), MDPV (1mg/kg) or saline. In vitro studies assessed the receptor binding and activity of S-MEPH. KEY RESULTS Rats withdrawn from chronic cocaine or MDPV displayed an increase in anxiety- and depression-like behaviors that was antagonized by treatment with S-MEPH (10, 30mg/kg). S-MEPH displayed affinity, but not agonist activity, for 5-HT2 receptors (2A-2C) and showed negligible affinity for dopaminergic, adrenergic and nicotinic receptors. CONCLUSION AND IMPLICATION S-MEPH attenuated withdrawal behaviors following chronic cocaine or MDPV, perhaps through 5-HT release and/or 5-HT2 receptor interactions. The present data suggest S-MEPH may be a possible structural and pharmacological template to develop maintenance therapy for acute anxiety and depression during early withdrawal from psychostimulant abuse.
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Affiliation(s)
- Helene L. Philogene-Khalid
- Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University Philadelphia, PA, USA
| | - Callum Hicks
- Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University Philadelphia, PA, USA
| | - Allen B. Reitz
- Fox Chase Chemical Diversity Center Inc., Doylestown, PA
| | - Lee-Yuan Liu-Chen
- Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University Philadelphia, PA, USA
| | - Scott M. Rawls
- Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, USA,Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University Philadelphia, PA, USA
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16
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Voura EB, Montalvo MJ, Dela Roca KT, Fisher JM, Defamie V, Narala SR, Khokha R, Mulligan ME, Evans CA. Planarians as models of cadmium-induced neoplasia provide measurable benchmarks for mechanistic studies. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 142:544-554. [PMID: 28482323 DOI: 10.1016/j.ecoenv.2017.04.044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 04/02/2017] [Accepted: 04/19/2017] [Indexed: 06/07/2023]
Abstract
Bioassays of planarian neoplasia highlight the potential of these organisms as useful standards to assess whether environmental toxins such as cadmium promote tumorigenesis. These studies complement other investigations into the exceptional healing and regeneration of planarians - processes that are driven by a population of active stem cells, or neoblasts, which are likely transformed during planarian tumor growth. Our goal was to determine if planarian tumorigenesis assays are amenable to mechanistic studies of cadmium carcinogenesis. To that end we demonstrate, by examining both counts of cell populations by size, and instances of mitosis, that the activity of the stem cell population can be monitored. We also provide evidence that specific biomodulators can affect the potential of planarian neoplastic growth, in that an inhibitor of metalloproteinases effectively blocked the development of the lesions. From these results, we infer that neoblast activity does respond to cadmium-induced tumor growth, and that metalloproteinases are required for the progression of cancer in the planarian.
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Affiliation(s)
- Evelyn B Voura
- School of Science, Technology and Health Studies, Morrisville State College, 80 Eaton Street, Morrisville, New York 13408, USA.
| | - Melissa J Montalvo
- Department of Math and Science, Dominican College, 470 Western Highway South, Orangeburg, New York 10962, USA
| | - Kevin T Dela Roca
- Department of Math and Science, Dominican College, 470 Western Highway South, Orangeburg, New York 10962, USA
| | - Julia M Fisher
- Colgate University, 13 Oak Drive, Hamilton, New York 13346, USA
| | - Virginie Defamie
- Ontario Cancer Institute, University Health Network, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada
| | - Swami R Narala
- Ontario Cancer Institute, University Health Network, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada
| | - Rama Khokha
- Ontario Cancer Institute, University Health Network, University of Toronto, 101 College Street, Toronto, Ontario M5G 1L7, Canada
| | - Margaret E Mulligan
- Department of Math and Science, Dominican College, 470 Western Highway South, Orangeburg, New York 10962, USA
| | - Colleen A Evans
- Department of Math and Science, Dominican College, 470 Western Highway South, Orangeburg, New York 10962, USA
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17
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Relapse to cocaine seeking in an invertebrate. Pharmacol Biochem Behav 2017; 157:41-46. [PMID: 28455125 DOI: 10.1016/j.pbb.2017.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 04/07/2017] [Accepted: 04/21/2017] [Indexed: 12/21/2022]
Abstract
Addiction is characterised by cycles of compulsive drug taking, periods of abstinence and episodes of relapse. The extinction/reinstatement paradigm has been extensively used in rodents to model human relapse and explore underlying mechanisms and therapeutics. However, relapse to drug seeking behaviour has not been previously demonstrated in invertebrates. Here, we used a cocaine conditioned place preference (CPP) paradigm in the flatworm, planarian, followed by extinction and reinstatement of drug seeking. Once baseline preference was established for one of two distinctly textured environments (i.e. compartments with a coarse or smooth surface), planarian received pairings of cocaine (5μM) in the non-preferred, and vehicle in the most preferred, environment, and were tested for conditioning thereafter. Cocaine produced robust CPP, measured as a significant increase in the time spent in the cocaine-paired compartment. Subsequently, planarian underwent extinction training, reverting back to their original preference within three sessions. Brief exposure to cocaine (5μM) or methamphetamine (5μM) reinstated cocaine-seeking behaviour. By contrast, the high affinity dopamine transporter inhibitor, (N-(n-butyl)-3α-[bis (4-fluorophenyl) methoxy]-tropane) (JHW007), which in rodents exhibits a neurochemical and behavioural profile distinct from cocaine, was ineffective. The present findings demonstrate for the first time reinstatement of extinguished cocaine seeking in an invertebrate model and suggest that the long-term adaptations underlying drug conditioning and relapse are highly conserved through evolution.
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Rodrigues ACM, Henriques JF, Domingues I, Golovko O, Žlábek V, Barata C, Soares AMVM, Pestana JLT. Behavioural responses of freshwater planarians after short-term exposure to the insecticide chlorantraniliprole. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 170:371-376. [PMID: 26561438 DOI: 10.1016/j.aquatox.2015.10.018] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 10/23/2015] [Accepted: 10/27/2015] [Indexed: 06/05/2023]
Abstract
Recent advances in video tracking technologies provide the tools for a sensitive and reproducible analysis of invertebrate activity under stressful conditions nurturing the field of behavioural ecotoxicology. This study aimed to evaluate behavioural responses of the freshwater planarian Dugesia subtentaculata exposed to a model compound, chlorantraniliprole (CAP). This compound is an anthranilic diamide insecticide and due to its neurotoxic action can, at low concentrations, impair behaviour of exposed organisms. Behavioural endpoints measured included feeding and locomotor activities. Feeding responses were based on planarian predatory behaviour using Chironomus riparius larvae as prey. Locomotion was measured by the traditional planarian locomotor velocity (pLMV) assay and additionally using an automated video tracking system using a Zebrabox(®) (Viewpoint, France) device. While feeding and pLMV were significantly impaired at 131.7μg/L CAP, the video tracking system showed that total distance covered by planarians was significantly reduced at concentrations as low as 26.2μg/L CAP. Our results show that more advanced automated video recording systems can be used in the development of sensitive bioassays allowing a reliable, time- and cost-effective quantification of behaviour in aquatic invertebrates. Due to their ecological relevance, behavioural responses should not be disregarded in risk assessment strategies and we advocate the suitability of planarians as suitable organisms for behavioural ecotoxicological studies.
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Affiliation(s)
- Andreia C M Rodrigues
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Department of Environmental Chemistry (IDAEA-CSIC), Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Jorge F Henriques
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Inês Domingues
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Oksana Golovko
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, 389 25 Vodnany, Czech Republic
| | - Vladimír Žlábek
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, 389 25 Vodnany, Czech Republic
| | - Carlos Barata
- Department of Environmental Chemistry (IDAEA-CSIC), Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Amadeu M V M Soares
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - João L T Pestana
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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