Understanding Lassa Fever in Monkeys
Author Information
Author(s): Hensley Lisa E, Smith Mark A, Geisbert Joan B, Fritz Elizabeth A, Daddario-DiCaprio Kathleen M, Larsen Tom, Geisbert Thomas W
Primary Institution: US Army Medical Research Institute of Infectious Diseases
Hypothesis
What are the early stages and progression of Lassa virus infection in cynomolgus macaques?
Conclusion
This study provides insights into the disease processes of Lassa fever and potential targets for treatment.
Supporting Evidence
- Lassa virus infection causes severe disease in humans and nonhuman primates.
- Clinical signs of illness were observed as early as day 3 post-infection.
- Dendritic cells were identified as a primary target of Lassa virus infection.
- Significant increases in proinflammatory cytokines were observed during infection.
- Neurological symptoms were noted in terminal animals, consistent with human cases.
Takeaway
Scientists studied sick monkeys to learn how Lassa fever works, which could help find better treatments.
Methodology
Six cynomolgus monkeys were infected with Lassa virus, and their tissues were examined at different disease stages.
Potential Biases
Potential bias in interpreting results due to the small number of animals and the experimental nature of the study.
Limitations
The study is limited by the small sample size and the use of a single animal model.
Participant Demographics
Six healthy, LASV-seronegative, cynomolgus macaques aged 3 to 4 kg.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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