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Kwon T. Role and ethics of cynomolgus monkey (Macaca fascicularis) blastoids in primate developmental biology research. J Med Primatol 2024; 53:e12693. [PMID: 38374540 DOI: 10.1111/jmp.12693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Revised: 01/14/2024] [Accepted: 02/07/2024] [Indexed: 02/21/2024]
Abstract
This review on cynomolgus monkey (Macaca fascicularis) blastoids discusses a breakthrough in modeling early non-human primate embryogenesis, offering insights into embryonic development and implantation processes. It acknowledges ethical challenges and animal welfare considerations in developmental biology, suggests potential applications in human reproductive medicine, and highlights the need for ongoing ethical and technical refinement.
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Affiliation(s)
- Taeho Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Jeongeup-si, Jeonbuk, Korea
- Department of Functional Genomics, KRIBB School of Bioscience, Korea National University of Science and Technology (UST), Daejeon, Korea
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2
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Garza-Villarreal EA, Moy L, Mao H, Hussain T, Lupo JM, Fleischer CC, Scott AD. Ethical considerations of preclinical models in imaging research. Magn Reson Med 2024; 91:858-859. [PMID: 37984415 DOI: 10.1002/mrm.29920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 10/23/2023] [Indexed: 11/22/2023]
Affiliation(s)
| | - Linda Moy
- Department of Radiology and Center for Advanced Imaging Innovation and Research, Grossman School of Medicine, New York University, New York, New York, USA
| | - Hui Mao
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Tarique Hussain
- Pediatric Cardiology, University of Texas Southwestern, Dallas, Texas, USA
| | - Janine M Lupo
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
| | - Candace C Fleischer
- Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Andrew D Scott
- Cardiovascular Magnetic Resonance Unit, The Royal Brompton Hospital, Guy's and St Thomas' NHS Foundation Trust, London, UK
- National Heart and Lung Institute, Imperial College London, London, UK
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3
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Jain AK, Tansey G, Hartig R, Mitchell AS, Basso MA. Trends and Treatment Approaches for Complications in Neuroscience Experiments with Monkey Species. Comp Med 2023; 73:216-228. [PMID: 37208151 PMCID: PMC10290483 DOI: 10.30802/aalas-cm-22-000079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 09/12/2022] [Accepted: 01/12/2023] [Indexed: 05/21/2023]
Abstract
Our goal in this manuscript is to advance the assessment and treatment of monkey species in neuroscience research. We hope to begin a discussion and establish baseline data on how complications are identified and treated. We surveyed the neuroscience research community working with monkeys and compiled responses to questions about investigator demographics, assessment of animal wellbeing, treatment choices, and approaches to mitigate risks associated with CNS procedures and promote monkey health and wellbeing. The majority of the respondents had worked with nonhuman primates (NHP) for over 15 y. Identification of procedure-related complications and efficacy of treatment generally rely on common behavioral indices. Treatments for localized inflammatory responses are generally successful, whereas the treatment success for meningitis or meningoencephalitis, abscesses, and hemorrhagic stroke are less successful. Behavioral signs of pain are treated successfully with NSAIDs and opioids. Our future plans are to collate treatment protocols and develop best practices that can be shared across the neuroscience community to improve treatment success rates and animal welfare and therefore science. Human protocols can be used to develop best practices, assess outcomes, and promote further refinements in treatment practices for monkeys to enhance research outcomes.
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Affiliation(s)
- Aarti Kishore Jain
- Fuster Laboratory of Cognitive Neuroscience, Department of Psychiatry and Biobehavioral Sciences Jane and Terry Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California
| | - Ginger Tansey
- National Eye Institute, National Institutes of Health, Department of Health and Human Services, Bethesda, Maryland
| | - Renée Hartig
- Translational Neuroscience Division, Center for Biomedical Imaging and Neuromodulation, Nathan Kline Institute for Psychiatric Research, Orangeburg, New York; Department of Psychiatry and Psychotherapy, University Medical Center, Johannes Gutenberg University, Mainz, Germany
| | - Anna S Mitchell
- Department of Experimental Psychology, Oxford University, Tinsley Building, Oxford, United Kingdom; School of Psychology, Speech, and Hearing, University of Canterbury, Christchurch, New Zealand
| | - Michele A Basso
- Fuster Laboratory of Cognitive Neuroscience, Department of Psychiatry and Biobehavioral Sciences Jane and Terry Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California-Los Angeles, Los Angeles, California; Washington National Primate Research Center, Departments of Biological Structure and Physiology and Biophysics, University of Washington, Seattle, Washington;,
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4
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Cassidy LC, Bethell EJ, Brockhausen RR, Boretius S, Treue S, Pfefferle D. The Dot-Probe Attention Bias Task as a Method to Assess Psychological Well-Being after Anesthesia: A Study with Adult Female Long-Tailed Macaques (Macaca fascicularis). Eur Surg Res 2023; 64:37-53. [PMID: 34915502 PMCID: PMC9909723 DOI: 10.1159/000521440] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/28/2021] [Indexed: 11/19/2022]
Abstract
Understanding the impact routine research and laboratory procedures have on animals is crucial to improving their well-being and to the success and reproducibility of the research they are involved in. Cognitive measures of welfare offer insight into animals' internal psychological state, but require validation. Attention bias - the tendency to attend to one type of information over another - is a cognitive phenomenon documented in humans and animals that is known to be modulated by affective state (i.e., emotions). Hence, changes in attention bias may offer researchers a deeper perspective of their animals' psychological well-being. The dot-probe task is an established method for quantifying attention bias in humans (by measuring reaction time to a dot-probe replacing pairs of stimuli), but has yet to be validated in animals. We developed a dot-probe task for long-tailed macaques (Macaca fascicularis) to determine if the task can detect changes in attention bias following anesthesia, a context known to modulate attention and trigger physiological arousal in macaques. Our task included the following features: stimulus pairs of threatening and neutral facial expressions of conspecifics and their scrambled counterparts, two stimuli durations (100 and 1,000 ms), and counterbalancing of the dot-probe's position on the touchscreen (left and right) and location relative to the threatening stimulus. We tested 8 group-housed adult females on different days relative to being anesthetized (baseline and 1-, 3-, 7-, and 14-days after). At baseline, monkeys were vigilant to threatening content when stimulus pairs were presented for 100 ms, but not 1,000 ms. On the day immediately following anesthesia, we found evidence that attention bias changed to an avoidance of threatening content. Attention bias returned to threat vigilance by the third day postanesthesia and remained so up to the last day of testing (14-days after anesthesia). We also found that attention bias was independent of the type of stimuli pair (i.e., whole face vs. scrambled counterparts), suggesting that the scrambled stimuli retained aspects of the original stimuli. Nevertheless, whole faces were more salient to the monkeys as responses to these trials were generally slower than to scrambled stimulus pairs. Overall, our study suggests it is feasible to detect changes in attention bias following anesthesia using the dot-probe task in nonhuman primates. Our results also reveal important aspects of stimulus preparation and experimental design.
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Affiliation(s)
- Lauren C Cassidy
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center-Leibniz Institute for Primate Research, Goettingen, Germany
- Leibniz-Science Campus Primate Cognition, German Primate Center, University of Goettingen, Goettingen, Germany
| | - Emily J Bethell
- Liverpool John Moores University, Research Centre in Evolutionary Anthropology and Palaeoecology, Liverpool, UK
- Liverpool John Moores University, Research Centre in Brain and Behaviour, Liverpool, UK
| | - Ralf R Brockhausen
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center-Leibniz Institute for Primate Research, Goettingen, Germany
| | - Susann Boretius
- Leibniz-Science Campus Primate Cognition, German Primate Center, University of Goettingen, Goettingen, Germany
- Functional Imaging Laboratory, German Primate Center-Leibniz Institute for Primate Research, Goettingen, Germany
| | - Stefan Treue
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center-Leibniz Institute for Primate Research, Goettingen, Germany
- Leibniz-Science Campus Primate Cognition, German Primate Center, University of Goettingen, Goettingen, Germany
| | - Dana Pfefferle
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center-Leibniz Institute for Primate Research, Goettingen, Germany
- Leibniz-Science Campus Primate Cognition, German Primate Center, University of Goettingen, Goettingen, Germany
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5
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Lopez-Cruz L, Bussey TJ, Saksida LM, Heath CJ. Using touchscreen-delivered cognitive assessments to address the principles of the 3Rs in behavioral sciences. Lab Anim (NY) 2021; 50:174-184. [PMID: 34140683 DOI: 10.1038/s41684-021-00791-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 05/11/2021] [Indexed: 02/05/2023]
Abstract
Despite considerable advances in both in silico and in vitro approaches, in vivo studies that involve animal model systems remain necessary in many research disciplines. Neuroscience is one such area, with studies often requiring access to a complete nervous system capable of dynamically selecting between and then executing a full range of cognitive and behavioral outputs in response to a given stimulus or other manipulation. The involvement of animals in research studies is an issue of active public debate and concern and is therefore carefully regulated. Such regulations are based on the principles of the 3Rs of Replacement, Reduction and Refinement. In the sub-specialty of behavioral neuroscience, Full/Absolute Replacement remains a major challenge, as the complete ex vivo recapitulation of a system as complex and dynamic as the nervous system has yet to be achieved. However, a number of very positive developments have occurred in this area with respect to Relative Replacement and to both Refinement and Reduction. In this review, we discuss the Refinement- and Reduction-related benefits yielded by the introduction of touchscreen-based behavioral assessment apparatus. We also discuss how data generated by a specific panel of behavioral tasks developed for this platform might substantially enhance monitoring of laboratory animal welfare and provide robust, quantitative comparisons of husbandry techniques to define and ensure maintenance of best practice.
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Affiliation(s)
- Laura Lopez-Cruz
- Department of Psychology and MRC/Wellcome Trust Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK. .,School of Life, Health and Chemical Sciences, The Open University, Milton Keynes, UK.
| | - Timothy J Bussey
- Department of Psychology and MRC/Wellcome Trust Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK.,Robarts Research Institute & Department of Physiology and Pharmacology, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada.,The Brain and Mind Institute, Western University, London, Ontario, Canada
| | - Lisa M Saksida
- Department of Psychology and MRC/Wellcome Trust Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge, UK.,Robarts Research Institute & Department of Physiology and Pharmacology, Schulich School of Medicine & Dentistry, Western University, London, Ontario, Canada.,The Brain and Mind Institute, Western University, London, Ontario, Canada
| | - Christopher J Heath
- School of Life, Health and Chemical Sciences, The Open University, Milton Keynes, UK
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de Joya EM, Colbert BM, Tang PC, Lam BL, Yang J, Blanton SH, Dykxhoorn DM, Liu X. Usher Syndrome in the Inner Ear: Etiologies and Advances in Gene Therapy. Int J Mol Sci 2021; 22:3910. [PMID: 33920085 PMCID: PMC8068832 DOI: 10.3390/ijms22083910] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/02/2021] [Accepted: 04/05/2021] [Indexed: 02/06/2023] Open
Abstract
Hearing loss is the most common sensory disorder with ~466 million people worldwide affected, representing about 5% of the population. A substantial portion of hearing loss is genetic. Hearing loss can either be non-syndromic, if hearing loss is the only clinical manifestation, or syndromic, if the hearing loss is accompanied by a collage of other clinical manifestations. Usher syndrome is a syndromic form of genetic hearing loss that is accompanied by impaired vision associated with retinitis pigmentosa and, in many cases, vestibular dysfunction. It is the most common cause of deaf-blindness. Currently cochlear implantation or hearing aids are the only treatments for Usher-related hearing loss. However, gene therapy has shown promise in treating Usher-related retinitis pigmentosa. Here we review how the etiologies of Usher-related hearing loss make it a good candidate for gene therapy and discuss how various forms of gene therapy could be applied to Usher-related hearing loss.
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Affiliation(s)
- Evan M. de Joya
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (E.M.J.); (B.M.C.); (P.-C.T.); (S.H.B.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
| | - Brett M. Colbert
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (E.M.J.); (B.M.C.); (P.-C.T.); (S.H.B.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
- Medical Scientist Training Program, University of Miami Miller School of Medicine, Miami, FL 33136, USA
| | - Pei-Ciao Tang
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (E.M.J.); (B.M.C.); (P.-C.T.); (S.H.B.)
| | - Byron L. Lam
- Bascom Palmer Eye Institute, University of Miami School of Medicine, Miami, FL 33136, USA;
| | - Jun Yang
- John A. Moran Eye Center, Department of Ophthalmology and Visual Sciences, University of Utah, Salt Lake City, UT 84132, USA;
| | - Susan H. Blanton
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (E.M.J.); (B.M.C.); (P.-C.T.); (S.H.B.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
| | - Derek M. Dykxhoorn
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
| | - Xuezhong Liu
- Department of Otolaryngology, University of Miami Miller School of Medicine, Miami, FL 33136, USA; (E.M.J.); (B.M.C.); (P.-C.T.); (S.H.B.)
- Dr. John T. Macdonald Foundation Department of Human Genetics, John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL 33136, USA;
- Interdisciplinary Stem Cell Institute, University of Miami Miller School of Medicine, Miami, FL 33136, USA
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7
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Dewi FN, Cline JM. Nonhuman primate model in mammary gland biology and neoplasia research. Lab Anim Res 2021; 37:3. [PMID: 33397518 PMCID: PMC7784333 DOI: 10.1186/s42826-020-00053-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 06/15/2020] [Indexed: 12/24/2022] Open
Abstract
Research on breast cancer pathogenesis, prevention and drug development remains an important field as this disease is still one of the leading causes of cancer death worldwide. Nonhuman primates, particularly macaque species, may serve as a highly translational animal model in breast cancer studies due to their similarity with humans in genetics, anatomy, reproductive and endocrine physiology including mammary gland development profile. The use of nonhuman primates in biomedical research, however, requires high ethical standards and an increasing expectation to improve strategies to replace, reduce and refine their use. Here, we discuss some key features of nonhuman primate mammary gland biology relevant to their strengths and limitations as models in studies of breast development and cancer risk.
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Affiliation(s)
- Fitriya N Dewi
- Primate Research Center at IPB University, Jl. Lodaya II No.5, Bogor, West Java, 16151, Indonesia.
| | - J Mark Cline
- Department of Pathology, Section on Comparative Medicine, Wake Forest University School of Medicine, Medical Center Boulevard, Winston-Salem, NC, 27157, USA
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Howarth ER, Kemp C, Thatcher HR, Szott ID, Farningham D, Witham CL, Holmes A, Semple S, Bethell EJ. Developing and validating attention bias tools for assessing trait and state affect in animals: A worked example with Macaca mulatta. Appl Anim Behav Sci 2021. [DOI: 10.1016/j.applanim.2020.105198] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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9
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Prescott MJ. Ethical and Welfare Implications of Genetically Altered Non-Human Primates for Biomedical Research. JOURNAL OF APPLIED ANIMAL ETHICS RESEARCH 2020; 2:151-176. [PMID: 33851094 PMCID: PMC7610575 DOI: 10.1163/25889567-bja10002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Breakthroughs in gene editing technologies have made it feasible to create genetically altered (GA) non-human primate (NHP) models of disease. This area of research is accelerating, particularly in China, Japan and the USA, and could lead to an increase in NHP use globally. The hope is that genetic models in animal species closely related to humans will significantly improve understanding of neurological diseases and validation of potential therapeutic interventions, for which there is a dire need. However, the creation and use of GA NHPS raises serious animal welfare and ethical issues, which are highlighted here. It represents a step change in how these highly sentient animals are used in biomedical research, because of the large numbers required, inherent wastage and the sum of the harms caused to the animals involved. There is little evidence of these important issues being addressed alongside the rapidly advancing science. We are still learning about how gene editing tools work in NHPS, and significant added scientific and medical benefit from GA NHP models has yet to be demonstrated. Together, this suggests that current regulatory and review frameworks, in some jurisdictions at least, are not adequately equipped to deal with this emerging, complex area of NHP use.
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Affiliation(s)
- Mark J. Prescott
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), Gibbs Building, 215 Euston Road, London, NW1 2BE, UK
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10
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Adams K, Clemons D, Impelluso LC, Lee D, Maguire S, Myers A, Petursson C, Schulingkamp R, Trouba K, Wright M. An IQ Consortium Perspective on The Scientific Committee on Health, Environmental and Emerging Risks Final Opinion on the Need for Nonhuman Primates in Biomedical Research, Production and Testing of Products and Devices (Update 2017). Toxicol Pathol 2019; 47:649-655. [PMID: 31280699 DOI: 10.1177/0192623319857976] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/09/2022]
Abstract
The recent Scientific Committee on Health, Environmental and Emerging Risks Final Opinion on "The need for nonhuman primates in biomedical research, production and testing of products and devices" (2017 SCHEER) highlights approaches that could significantly contribute to the replacement, reduction, and refinement of nonhuman primate (NHP) studies. Initiatives that have the potential to affect NHP welfare and/or their use are expected to be appropriate, fair, and objective and publicly disseminated information focused on NHPs in biomedical research, which includes toxicologic and pathologic research and testing, should be objectively evaluated by stakeholder scientists, researchers, and veterinarians. Thus, IQ Consortium member companies convened to develop an informed and objective response, focusing on identifying areas of agreement, potential gaps, or missing information in 2017 SCHEER. Overall, the authors agree that many positions in the 2017 SCHEER Opinion generally align with industry views on the use of NHPs in research and testing, including the ongoing need of NHPs in many areas of research. From the perspective of the IQ Consortium, there are several topics in the 2017 SCHEER that merit additional comment, attention, or research, as well as consideration in future opinions.
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Affiliation(s)
- Khary Adams
- 1 Incyte Research Institute, Wilmington, DE, USA
| | - Donna Clemons
- 2 Comparative Medicine, AbbVie, North Chicago, IL, USA
| | | | - Donna Lee
- 4 Department of Safety Assessment, Genentech, South San Francisco, CA, USA
| | - Sean Maguire
- 5 Integrated Biological Platform Sciences, GlaxoSmithKline, Collegeville, PA, USA
| | | | | | | | - Kevin Trouba
- 8 Janssen Research & Development, LLC, Spring House, PA, USA
| | - Matthew Wright
- 9 Department of Drug Metabolism and Pharmacokinetics, Genentech, South San Francisco, CA, USA
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Bethell EJ, Cassidy LC, Brockhausen RR, Pfefferle D. Toward a Standardized Test of Fearful Temperament in Primates: A Sensitive Alternative to the Human Intruder Task for Laboratory-Housed Rhesus Macaques ( Macaca mulatta). Front Psychol 2019; 10:1051. [PMID: 31139115 PMCID: PMC6527799 DOI: 10.3389/fpsyg.2019.01051] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 04/24/2019] [Indexed: 01/10/2023] Open
Abstract
Standardized and sensitive tests to assess differences in temperament among primates housed in captivity are essential for monitoring welfare and improving science outcomes through reduced noise in data. Fearful temperament in primates has traditionally been assessed using the Human Intruder Test (HIT) in which duration of bodily freeze in response to approach by an unknown human is measured. The HIT is susceptible to variation between facilities in execution, interpretation of data and could be stressful for animals with more fearful temperaments. We tested the applicability of a touch-screen task with putatively negative stimuli as a more standardizable and sensitive tool for measuring fearful temperament in laboratory primates. Seventeen adult male rhesus macaques were assessed for fearfulness using the HIT. They were then tested on a touch-screen task designed to measure two behavioral indices of fearfulness: behavioral inhibition and response-slowing. We predicted monkeys assessed as having more fearful temperament in the HIT, would show the greatest degree of behavioral inhibition and response-slowing to negative pictures in the touch-screen task. In Study 1, monkeys were rewarded with juice for touching gray squares on the screen (control trials). On test trials a picture of an unknown male conspecific face with direct-gaze (signaling threat) was shown. Monkeys were less likely to touch direct-gaze faces than control trials, indicating behavioral inhibition to threat. Behavioral inhibition was greatest amongst monkeys scored with most fearful temperament in the HIT. This primary result indicates the touch-screen task may be sensitive to a more subtle form of the bodily freeze behavior measured using the HIT. In Study 2, we tested whether these findings generalized to other classes of putatively negative stimuli; monkeys were shown pictures of the human intruder and objects associated with veterinary and husbandry procedures, interspersed with control trials (gray squares). There was no evidence of behavioral inhibition in Study 2. There was some evidence for response-slowing, which was greater for pictures of objects than pictures of the human intruder, and occurred independently of fearfulness in the HIT. We propose touch-screen tasks provide a more standardized and sensitive approach for assessing fearful temperament in laboratory primates.
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Affiliation(s)
- Emily J. Bethell
- Centre for Research in Brain and Behaviour, School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, United Kingdom
- Biological Anthropology Research Centre, School of Natural Sciences and Psychology, Liverpool John Moores University, Liverpool, United Kingdom
| | - Lauren C. Cassidy
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center–Leibniz Institute for Primate Research, Göttingen, Germany
- Behavior and Cognition, University of Göttingen, Göttingen, Germany
- Leibniz-Science Campus Primate Cognition, German Primate Center–University of Göttingen, Göttingen, Germany
| | - Ralf R. Brockhausen
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center–Leibniz Institute for Primate Research, Göttingen, Germany
| | - Dana Pfefferle
- Welfare and Cognition Group, Cognitive Neuroscience Laboratory, German Primate Center–Leibniz Institute for Primate Research, Göttingen, Germany
- Leibniz-Science Campus Primate Cognition, German Primate Center–University of Göttingen, Göttingen, Germany
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12
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Applying the 3Rs to neuroscience research involving nonhuman primates. Drug Discov Today 2018; 23:1574-1577. [DOI: 10.1016/j.drudis.2018.05.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Revised: 04/03/2018] [Accepted: 05/02/2018] [Indexed: 12/11/2022]
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