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Borba JV, Canzian J, Resmim CM, Silva RM, Duarte MCF, Mohammed KA, Schoenau W, Adedara IA, Rosemberg DB. Towards zebrafish models to unravel translational insights of obsessive-compulsive disorder: A neurobehavioral perspective. Neurosci Biobehav Rev 2024; 162:105715. [PMID: 38734195 DOI: 10.1016/j.neubiorev.2024.105715] [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: 01/30/2024] [Revised: 04/08/2024] [Accepted: 05/04/2024] [Indexed: 05/13/2024]
Abstract
Obsessive-compulsive disorder (OCD) is a chronic and debilitating illness that has been considered a polygenic and multifactorial disorder, challenging effective therapeutic interventions. Although invaluable advances have been obtained from human and rodent studies, several molecular and mechanistic aspects of OCD etiology are still obscure. Thus, the use of non-traditional animal models may foster innovative approaches in this field, aiming to elucidate the underlying mechanisms of disease from an evolutionary perspective. The zebrafish (Danio rerio) has been increasingly considered a powerful organism in translational neuroscience research, especially due to the intrinsic features of the species. Here, we outline target mechanisms of OCD for translational research, and discuss how zebrafish-based models can contribute to explore neurobehavioral aspects resembling those found in OCD. We also identify possible advantages and limitations of potential zebrafish-based models, as well as highlight future directions in both etiological and therapeutic research. Lastly, we reinforce the use of zebrafish as a promising tool to unravel the biological basis of OCD, as well as novel pharmacological therapies in the field.
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Affiliation(s)
- João V Borba
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil.
| | - Julia Canzian
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Cássio M Resmim
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Rossano M Silva
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Maria C F Duarte
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Khadija A Mohammed
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - William Schoenau
- Department of Physiology and Pharmacology, Health Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil
| | - Isaac A Adedara
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Denis B Rosemberg
- Laboratory of Experimental Neuropsychobiology, Department of Biochemistry and Molecular Biology, Natural and Exact Sciences Center, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; Graduate Program in Biological Sciences: Toxicological Biochemistry, Federal University of Santa Maria, 1000 Roraima Avenue, Santa Maria, RS 97105-900, Brazil; The International Zebrafish Neuroscience Research Consortium (ZNRC), 309 Palmer Court, Slidell, LA 70458, USA.
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Byrd KA, Theil JH, Geronimo JT, Ahloy-Dallaire J, Gutierrez MF, Hui EI, Felt TK, Coden KM, Ratuski AS, Felt SA, Chu DK, Garner JP. Pebble to the Metal: A Boulder Approach to Enrichment for Danio rerio. PLoS One 2024; 19:e0298657. [PMID: 38713725 DOI: 10.1371/journal.pone.0298657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 01/30/2024] [Indexed: 05/09/2024] Open
Abstract
Zebrafish are an established and widely used animal model, yet there is limited understanding of their welfare needs. Despite an increasing number of studies on zebrafish enrichment, in-tank environmental enrichment remains unpopular among researchers. This is due to perceived concerns over health/hygiene when it comes to introducing enrichment into the tank, although actual evidence for this is sparse. To accommodate this belief, regardless of veracity, we tested the potential benefits of enrichments presented outside the tank. Thus, we investigated the preferences and physiological stress of zebrafish with pictures of pebbles placed underneath the tank. We hypothesized that zebrafish would show a preference for enriched environments and have lower stress levels than barren housed zebrafish. In our first experiment, we housed zebrafish in a standard rack system and recorded their preference for visual access to a pebble picture, with two positive controls: visual access to conspecifics, and group housing. Using a crossover repeated-measures factorial design, we tested if the preference for visual access to pebbles was as strong as the preference for social contact. Zebrafish showed a strong preference for visual access to pebbles, equivalent to that for conspecifics. Then, in a second experiment, tank water cortisol was measured to assess chronic stress levels of zebrafish housed with or without a pebble picture under their tank, with group housing as a positive control. Cortisol levels were significantly reduced in zebrafish housed with pebble pictures, as were cortisol levels in group housed zebrafish. In fact, single housed zebrafish with pebble pictures showed the same cortisol levels as group housed zebrafish without pebble pictures. Thus, the use of an under-tank pebble picture was as beneficial as being group housed, effectively compensating for the stress of single housing. Pebble picture enrichment had an additive effect with group housing, where group housed zebrafish with pebble pictures had the lowest cortisol levels of any treatment group.
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Affiliation(s)
- Kyna A Byrd
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - Jacob H Theil
- Campus Veterinary Services, University of California, Davis, Davis, California, United States of America
| | - Jerome T Geronimo
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | | | - Michael F Gutierrez
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - Emily I Hui
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - Teagan K Felt
- Department of Human and Organizational Development, Vanderbilt University, Nashville, Tennessee, United States of America
| | - Kendall M Coden
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, Michigan, United States of America
| | - Anna S Ratuski
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - Stephen A Felt
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - David K Chu
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
| | - Joseph P Garner
- Department of Comparative Medicine, Stanford University, Stanford, California, United States of America
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, United States of America
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Hagen EV, Schalomon M, Zhang Y, Hamilton TJ. Repeated microdoses of LSD do not alter anxiety or boldness in zebrafish. Sci Rep 2024; 14:4389. [PMID: 38388550 PMCID: PMC10883969 DOI: 10.1038/s41598-024-54676-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 02/15/2024] [Indexed: 02/24/2024] Open
Abstract
The therapeutic use of lysergic acid diethylamide (LSD) has resurfaced in the last decade, prompting further scientific investigation into its effectiveness in many animal models. Zebrafish (Danio rerio) are a popular model organism in medical sciences and are used to examine the repeated administration of pharmacological compounds. Previous zebrafish research found acute LSD altered behaviour and cortisol levels at high (250 µg/L) but not low (5-100 µg/L) levels. In this study, we used a motion tracking system to record and analyze the movement patterns of zebrafish after acute and repeated 10-day LSD exposure (1.5 µg/L, 15 µg/L, 150 µg/L) and after seven days of withdrawal. The open-field and novel object approach tests were used to examine anxiety-like behaviour, boldness, and locomotion. In the acute experiments we observed a significant decrease in high mobility with 1.5 µg/L, 15 µg/L, and 150 µg/L of LSD compared to the control and a decrease in velocity with 1.5 and 15 µg/L. In repeated experiments, there were no significant differences in the levels of anxiety, boldness, or locomotion between all LSD groups and controls immediately after 10-day treatment or after withdrawal.
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Affiliation(s)
- Ethan V Hagen
- Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada
| | - Melike Schalomon
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada
| | - Yanbo Zhang
- Department of Psychiatry, University of Alberta, Edmonton, AB, Canada
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada
| | - Trevor J Hamilton
- Department of Psychology, MacEwan University, 10700 104 Ave NW, Edmonton, AB, T5J 4S2, Canada.
- Neuroscience and Mental Health Institute, University of Alberta, Edmonton, AB, Canada.
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Buenhombre J, Daza-Cardona EA, Mota-Rojas D, Domínguez-Oliva A, Rivera A, Medrano-Galarza C, de Tarso P, Cajiao-Pachón MN, Vargas F, Pedraza-Toscano A, Sousa P. Trait sensitivity to stress and cognitive bias processes in fish: A brief overview. PERSONALITY NEUROSCIENCE 2024; 7:e3. [PMID: 38384666 PMCID: PMC10877277 DOI: 10.1017/pen.2023.14] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 10/02/2023] [Accepted: 10/24/2023] [Indexed: 02/23/2024]
Abstract
Like other animals, fish have unique personalities that can affect their cognition and responses to environmental stressors. These individual personality differences are often referred to as "behavioural syndromes" or "stress coping styles" and can include personality traits such as boldness, shyness, aggression, exploration, locomotor activity, and sociability. For example, bolder or proactive fish may be more likely to take risks and present lower hypothalamo-pituitary-adrenal/interrenal axis reactivity as compared to shy or reactive individuals. Likewise, learning and memory differ between fish personalities. Reactive or shy individuals tend to have faster learning and better association recall with aversive stimuli, while proactive or bold individuals tend to learn more quickly when presented with appetitive incentives. However, the influence of personality on cognitive processes other than cognitive achievement in fish has been scarcely explored. Cognitive bias tests have been employed to investigate the interplay between emotion and cognition in both humans and animals. Fish present cognitive bias processes (CBP) in which fish's interpretation of stimuli could be influenced by its current emotional state and open to environmental modulation. However, no study in fish has explored whether CBP, like in other species, can be interpreted as long-lasting traits and whether other individual characteristics may explain its variation. We hold the perspective that CBP could serve as a vulnerability factor for the onset, persistence, and recurrence of stress-related disorders. Therefore, studying fish's CBP as a state or trait and its interactions with individual variations may be valuable in future efforts to enhance our understanding of anxiety and stress neurobiology in animal models and humans.
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Affiliation(s)
- Jhon Buenhombre
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
- ICB Biological Sciences, Federal University of Pará, Belém, Brazil
| | - Erika Alexandra Daza-Cardona
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
| | - Daniel Mota-Rojas
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City, Mexico
| | - Adriana Domínguez-Oliva
- Neurophysiology, Behavior and Animal Welfare Assessment, DPAA, Universidad Autónoma Metropolitana, Xochimilco Campus, Mexico City, Mexico
| | - Astrid Rivera
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
| | - Catalina Medrano-Galarza
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
| | | | - María Nelly Cajiao-Pachón
- Especialización en Bienestar Animal y Etología, Fundación Universitaria Agraria de Colombia, Bogotá, Colombia
| | - Francisco Vargas
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
| | - Adriana Pedraza-Toscano
- Faculty of Veterinary Medicine, Faculty of Agrarian Science, Animal Welfare Program, Universidad Antonio Nariño, Bogotá, Colombia
| | - Pêssi Sousa
- ICB Biological Sciences, Federal University of Pará, Belém, Brazil
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Structural environmental enrichment and the way it is offered influence cognitive judgement bias and anxiety-like behaviours in zebrafish. Anim Cogn 2023; 26:563-577. [PMID: 36209454 DOI: 10.1007/s10071-022-01700-x] [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: 01/20/2022] [Revised: 07/14/2022] [Accepted: 09/30/2022] [Indexed: 11/01/2022]
Abstract
Environmental enrichment in zebrafish generally reduces anxiety-related behaviours, improves learning in maze trials and increases health and biological fitness. However, certain types of enrichment or certain conditions induce the opposite effects. Therefore, it is essential to study the characteristics of environmental enrichment that modulate these effects. This study aims to investigate if structural environmental enrichment and the way it is offered influence cognitive judgement bias and anxiety-like behaviours in adult zebrafish. The fish were assigned to six housing manipulations: constant barren, constant enrichment, gradual gain of enrichment, gradual loss of enrichment, sudden gain of enrichment and sudden loss of enrichment. We then transposed the cognitive judgment bias paradigm, formerly used in studies on other animals to measure the link between emotion and cognition, to objectively assess the impact of these manipulations on the zebrafish's interpretation of ambiguous stimuli, considering previous experiences and related emotional states. We used two battery tests (light/dark and activity tests), which measured anxiety-related behaviours to check if these tests covariate with cognitive bias results. The fish with a sudden gain in enrichment showed a pessimistic bias (interpreted ambiguous stimuli as negative). In addition, the fish that experienced a sudden gain and a gradual loss in enrichment showed more anxiety-like behaviours than the fish that experienced constant conditions or a gradual gain in enrichment. The data provide some proof that structural environmental enrichment and the way it is presented can alter zebrafish's cognitive bias and anxiety-like behaviours.
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Torres-Reveron A, Dow-Edwards D. Scoping review on environmental enrichment: Are critical periods and sex differences adequately studied? Pharmacol Biochem Behav 2022; 218:173420. [PMID: 35716854 DOI: 10.1016/j.pbb.2022.173420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 06/08/2022] [Accepted: 06/10/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Decades of research have shown the robust behavioral, structural, and molecular effects of environmental enrichment (EE) which predominantly improves neuropathological conditions. However, systematic examination of age and sex influences in response to EE is limited. OBJECTIVE Examine the use of EE and evaluate where sex differences (or similarities) are described and whether critical developmental periods are addressed. A critical examination of review articles about EE will establish a framework for the context of the findings of EE-induced effects, improve the impact of future EE studies and improve translatability. ELIGIBILITY CRITERIA Narrative, systematic reviews (not original reports) and meta-analyses of any animal species published during 2011 to 2021. Clinical and farming studies were excluded. SOURCES OF EVIDENCE Indexed review articles in Pubmed and Psychinfo. RESULTS Most studies examine EE during adulthood such as following an injury or following repeated addictive drug exposure. However, in various genetic models of disease states, little attention is paid to effects of EE at different ages. Only some reviews acknowledge that sex differences exist even when the disease state under study is known to be sexually dimorphic. Identified issues include lack of systematic reporting; status of the "control group" (i.e., isolation or pair housing); the use and reporting of proper statistical analyses. CONCLUSION Reviews have concluded that EE is most effective when administered early in life but that EE during adulthood is certainly effective. Too few review studies have compared sexes for the effects of EE to make a statement about sex differences. Overall, articles reflect a lack of integration of information on age and sex differences in response to EE. Future studies of EE should examine both sexes and consider critical periods of the lifespan in the experimental models to facilitate the adequate translation of EE as a non-pharmaceutical intervention.
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Affiliation(s)
- Annelyn Torres-Reveron
- Sur180 Therapeutics, LLC, McAllen, TX, USA; Adjunct Faculty, Ponce Research Institute Ponce, PR, USA.
| | - Diana Dow-Edwards
- State University of New York, Downstate Health Sciences University, Brooklyn, NY, USA.
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Menezes FP, Amorim RR, Silva PF, Luchiari AC. Alcohol exposure and environmental enrichment effects on contextual fear conditioning in zebrafish. Behav Processes 2022; 197:104608. [DOI: 10.1016/j.beproc.2022.104608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 02/14/2022] [Accepted: 02/23/2022] [Indexed: 01/24/2023]
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Non-human contributions to personality neuroscience – from fish through primates. An introduction to the special issue. PERSONALITY NEUROSCIENCE 2022; 5:e11. [PMID: 36258777 PMCID: PMC9549393 DOI: 10.1017/pen.2022.4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/18/2022] [Accepted: 08/24/2022] [Indexed: 11/10/2022]
Abstract
The most fundamental emotional systems that show trait control are evolutionarily old and extensively conserved. Psychology in general has benefited from non-human neuroscience and from the analytical simplicity of behaviour in those with simpler nervous systems. It has been argued that integration between personality, psychopathology, and neuroscience is particularly promising if we are to understand the neurobiology of human experience. Here, we provide some general arguments for a non-human approach being at least as productive in relation to personality, psychopathology, and their interface. Some early personality theories were directly linked to psychopathology (e.g., Eysenck, Panksepp, and Cloninger). They shared a common interest in brain systems that naturally led to the use of non-human data; behavioural, neural, and pharmacological. In Eysenck’s case, this also led to the selective breeding, at the Maudsley Institute, of emotionally reactive and non-reactive strains of rat as models of trait neuroticism or trait emotionality. Dimensional personality research and categorical approaches to clinical disorder then drifted apart from each other, from neuropsychology, and from non-human data. Recently, the conceptualizations of both healthy personality and psychopathology have moved towards a common hierarchical trait perspective. Indeed, the proposed two sets of trait dimensions appear similar and may even be eventually the same. We provide, here, an introduction to this special issue of Personality Neuroscience, where the authors provide overviews of detailed areas where non-human data inform human personality and its psychopathology or provide explicit models for translation to human neuroscience. Once all the papers in the issue have appeared, we will also provide a concluding summary of them.
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