Cited by 107Cancer, Stress, Anesthesia, and Immune ResponseAnimal testing and alternativesEffects of Environmental Stressors on Livestock

Thermoneutrality, mice, and cancer: a heated opinion

Hylander, Bonnie L., Repasky, Elizabeth A.·2016·Trends in cancer

Abstract

The 'mild' cold stress caused by standard sub-thermoneutral housing temperatures used for laboratory mice in research institutes is sufficient to significantly bias conclusions drawn from murine models of several human diseases. We review the data leading to this conclusion, discuss the implications for research and suggest ways to reduce problems in reproducibility and experimental transparency caused by this housing variable. We have found that these cool temperatures suppress endogenous immune responses, skewing tumor growth data and the severity of graft versus host disease, and also increase the therapeutic resistance of tumors. Owing to the potential for ambient temperature to affect energy homeostasis as well as adrenergic stress, both of which could contribute to biased outcomes in murine cancer models, housing temperature should be reported in all publications and considered as a potential source of variability in results between laboratories. Researchers and regulatory agencies should work together to determine whether changes in housing parameters would enhance the use of mouse models in cancer research, as well as for other diseases. Finally, for many years agencies such as the National Cancer Institute (NCI) have encouraged the development of newer and more sophisticated mouse models for cancer research, but we believe that, without an appreciation of how basic murine physiology is affected by ambient temperature, even data from these models is likely to be compromised.

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Crossref · 10.1016/j.trecan.2016.03.005

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Authors
Hylander, B. L., & Repasky, E. A.
Affiliations
Roswell Park Comprehensive Cancer Center (US)
Corresponding author
Repasky, Elizabeth A.
Venue
Trends in cancer
Publisher
Elsevier BV
Published
2016-04
Volume
2
Issue
4
Pages
166-175
ISSN
  • 2405-8025 (ISSN-L)
  • 2405-8033
OpenAlex
W2343236286
Cited by
107
References
97
Citations by year
2026: 5 · 2025: 6 · 2024: 8 · 2023: 9 · 2022: 15 · 2021: 15 · 2020: 16 · 2019: 8 · 2018: 14 · 2017: 8 · 2016: 2
FWCI
1.52
Type
journal article
Language
en
Open access
closed
Locations
  • Trends in cancer (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute on Aging (R03AG049489)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Cancer, Stress, Anesthesia, and Immune Response
  • Health Sciences › Veterinary › Small Animals › Animal testing and alternatives
  • Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Effects of Environmental Stressors on Livestock
Keywords
thermoneutrality, cold stress, mouse tumor model, tumor growth, graft-versus-host disease, immunosuppression, energy homeostasis, adrenergic stress, reproducibility, experimental variability, ambient temperature effects
MeSH terms
Animals, Disease Susceptibility, Drug Evaluation, Preclinical, Housing, Animal, Metabolic Diseases, Neoplasms, Stress, Physiological, Temperature, Thermosensing, Immunocompromised Host, Treatment Outcome, Apoptosis, Mice

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