Korean J Pediatr.  2011 Nov;54(11):456-462. 10.3345/kjp.2011.54.11.456.

Effect of respiratory syncytial virus infection on regulated on activation, normal T-cells expressed and secreted production in a murine model of asthma

Affiliations
  • 1Department of Pediatrics, The First Hospital of Jilin University, Changchun, China.
  • 2Department of Pediatrics, The Catholic University of Korea School of Medicine, Seoul, Korea. pedjsyoon@catholic.ac.kr

Abstract

PURPOSE
Synthesis of regulated on activation, normal T-cells expressed and secreted (RANTES) in the airway has previously been shown to be elevated after respiratory syncytial virus (RSV) infection. However, since few studies have examined whether RSV-infected asthma patients express a higher level of RANTES than do normal individuals, we used a murine model of asthma to address this question.
METHODS
We prepared Dermatophagoides farinae-sensitized mice as an asthma model, and then infected them with RSV and analyzed the changes in airway responsiveness and the cell populations and cytokine levels of bronchoalveolar lavage fluid.
RESULTS
RANTES synthesis increased in response to RSV infection in both control mice and in asthma model (D. farinae) mice. However, there was no significant difference in the amount of RANTES produced following RSV infection between control and D. farinae mice. RSV infection affected neither interferon-gammasynthesis nor airway responsiveness in either control or D. farinae mice.
CONCLUSION
RSV infection did not induce more RANTES in a murine model of asthma than in control mice.

Keyword

Respiratory syncytial virus; RANTES; Animal models; Asthma

MeSH Terms

Animals
Asthma
Bronchoalveolar Lavage
Chemokine CCL5
Humans
Mice
Models, Animal
Pyroglyphidae
Respiratory Syncytial Viruses
T-Lymphocytes
Chemokine CCL5
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