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Hutson CL, Gallardo-Romero N, Carroll DS, Salzer JS, Ayers JD, Doty JB, Hughes CM, Nakazawa Y, Hudson P, Patel N, Keckler MS, Olson VA, Nagy T. Analgesia during Monkeypox Virus Experimental Challenge Studies in Prairie Dogs ( Cynomys ludovicianus). J Am Assoc Lab Anim Sci 2019; 58:485-500. [PMID: 31142401 PMCID: PMC6643093 DOI: 10.30802/aalas-jaalas-18-000036] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Revised: 02/22/2018] [Accepted: 06/18/2018] [Indexed: 01/04/2023]
Abstract
Because human patients with monkeypox virus (MPXV) infection report painful symptoms, it is reasonable to assume that animals infected with MPXV experience some degree of pain. Understanding whether and how analgesics affect MPXV disease progression is crucial when planning in vivo challenge experiments. In the current study, we challenged prairie dogs with a low dose (4 ×10³ pfu) of MPXV and treated with meloxicam (NSAID) or buprenorphine (opioid); control animals did not receive analgesia or received analgesia without MPXV challenge. Subsets of animals from each group were serially euthanized during the course of the study. Disease progression and viral kinetics were similar between groups, but MXPVinfected, meloxicam-treated animals showed increasing trends of morbidity and mortality compared with other groups. Differences between no-analgesia MPXV-infected control animals and MPXV-infected animals treated with buprenorphine were minimal. The findings in the current study allow more informed decisions concerning the use of analgesics during experimental MPXV challenge studies, thereby improving animal welfare. In light of these findings, we have modified our pain scale for this animal model to include the use of buprenorphine for pain relief when warranted after MPXV challenge.
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Affiliation(s)
- Christina L Hutson
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia; The University of Georgia, Athens, Georgia; Georgia;,
| | - Nadia Gallardo-Romero
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Darin S Carroll
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Johanna S Salzer
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Jessica D Ayers
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Jeff B Doty
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Christine M Hughes
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Yoshi Nakazawa
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Paul Hudson
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Nishi Patel
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - M S Keckler
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Victoria A Olson
- Centers for Disease Control and Prevention, The University of Georgia, Athens, Georgia
| | - Tamas Nagy
- The University of Georgia, Athens, Georgia
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Novosad SA, Vasquez AM, Nambiar A, Arduino MJ, Christensen E, Moulton‐Meissner H, Keckler MS, Miller J, Perz JF, Lockhart SR, Chiller T, Gould C, Sehulster L, Brandt ME, Weber JT, Halpin AL, Mody RK. Notes From the Field: Probable Mucormycosis Among Adult Solid Organ Transplant Recipients at an Acute Care Hospital — Pennsylvania, 2014–2015. Am J Transplant 2016. [DOI: 10.1111/ajt.13990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S. A. Novosad
- Epidemic Intelligence Service CDC Atlanta GA
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - A. M. Vasquez
- Epidemic Intelligence Service CDC Atlanta GA
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - A. Nambiar
- Pennsylvania Department of Health Harrisburg PA
| | - M. J. Arduino
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | | | - H. Moulton‐Meissner
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - M. S. Keckler
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
- Laboratory Leadership Service CDC Atlanta GA
| | - J. Miller
- CDC Career Epidemiology Field Officer assigned to Pennsylvania Department of Health Harrisburg PA
| | - J. F. Perz
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - S. R. Lockhart
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - T. Chiller
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - C. Gould
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - L. Sehulster
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - M. E. Brandt
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - J. T. Weber
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - A. L. Halpin
- Division of Healthcare Quality Promotion National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
| | - R. K. Mody
- Division of Foodborne, Waterborne, and Environmental Diseases National Center for Emerging and Zoonotic Infectious Diseases CDC Atlanta GA
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Townsend MB, Keckler MS, Patel N, Davies DH, Felgner P, Damon IK, Karem KL. Humoral immunity to smallpox vaccines and monkeypox virus challenge: proteomic assessment and clinical correlations. J Virol 2013; 87:900-11. [PMID: 23135728 PMCID: PMC3554095 DOI: 10.1128/jvi.02089-12] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2012] [Accepted: 10/25/2012] [Indexed: 11/20/2022] Open
Abstract
Despite the eradication of smallpox, orthopoxviruses (OPV) remain public health concerns. Efforts to develop new therapeutics and vaccines for smallpox continue through their evaluation in animal models despite limited understanding of the specific correlates of protective immunity. Recent monkeypox virus challenge studies have established the black-tailed prairie dog (Cynomys ludovicianus) as a model of human systemic OPV infections. In this study, we assess the induction of humoral immunity in humans and prairie dogs receiving Dryvax, Acam2000, or Imvamune vaccine and characterize the proteomic profile of immune recognition using enzyme-linked immunosorbent assays (ELISA), neutralization assays, and protein microarrays. We confirm anticipated similarities of antigenic protein targets of smallpox vaccine-induced responses in humans and prairie dogs and identify several differences. Subsequent monkeypox virus intranasal infection of vaccinated prairie dogs resulted in a significant boost in humoral immunity characterized by a shift in reactivity of increased intensity to a broader range of OPV proteins. This work provides evidence of similarities between the vaccine responses in prairie dogs and humans that enhance the value of the prairie dog model system as an OPV vaccination model and offers novel findings that form a framework for examining the humoral immune response induced by systemic orthopoxvirus infection.
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Affiliation(s)
- M B Townsend
- Centers for Disease Control and Prevention, Division of High Consequence Pathogens and Pathology, Poxvirus and Rabies Branch, Atlanta, GA, USA.
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Gions BA, Phillips WT, Keckler MS, Klipper RW, Pinckard RN, McManus LM. 3. Prolonged tissue accumulation of radiolabelled liposomes during persistent inflammation. Nucl Med Commun 2001. [DOI: 10.1097/00006231-200110000-00018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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