Chikungunya Virus and Muscle Cells
Author Information
Author(s): Ozden Simona, Huerre Michel, Riviere Jean-Pierre, Coffey Lark L., Afonso Philippe V., Mouly Vincent, de Monredon Jean, Roger Jean-Christophe, El Amrani Mohamed, Yvin Jean-Luc, Jaffar Marie-Christine, Frenkiel Marie-Pascale, Sourisseau Marion, Schwartz Olivier, Butler-Browne Gillian, Desprès Philippe, Gessain Antoine, Ceccaldi Pierre-Emmanuel
Primary Institution: Institut Pasteur, Paris, France
Hypothesis
What are the cellular targets of Chikungunya virus infection in humans?
Conclusion
The study identifies muscle satellite cells as the primary targets of Chikungunya virus infection in humans.
Supporting Evidence
- The study found viral antigens exclusively in muscle satellite cells, not in muscle fibers.
- Infection of satellite cells led to a cytopathic effect, while myotubes were resistant to infection.
- The findings suggest a potential long-term impact of Chikungunya virus on muscle repair and function.
Takeaway
Chikungunya virus can infect special cells in our muscles called satellite cells, which help repair muscles. This might cause long-term pain.
Methodology
The study used muscle biopsies from two patients and in vitro cultures of human muscle satellite cells to assess viral infection.
Limitations
The study is based on a small sample size of two patients, which may limit the generalizability of the findings.
Participant Demographics
Two patients, one male aged 67 and one female aged 71, both with symptoms of Chikungunya virus infection.
Digital Object Identifier (DOI)
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