Boosting RSV-specific T cells in young mice
Author Information
Author(s): Wang Ziyin, Zhong Miko, Thomas Chubicka, Kinnear Ekaterina, Rice Tom, Holder Beth, Kampmann Beate, Tregoning John S.
Primary Institution: Imperial College London
Hypothesis
Can modulating the cytokine microenvironment during T cell activation induce protective RSV-specific lung resident memory T cells in early life?
Conclusion
The study found that co-administration of CCL5 or CXCL10 during T cell activation significantly increased RSV-specific lung resident memory T cells in neonatal mice, providing protection upon reinfection.
Supporting Evidence
- Neonatal mice showed fewer TRM cells after RSV infection compared to adults.
- CCL5 and CXCL10 significantly increased TRM recruitment in neonatal mice.
- RNA sequencing revealed distinct transcriptomic profiles between neonatal and adult mice after RSV infection.
Takeaway
Researchers found that giving certain signals to young mice can help their immune system remember how to fight off RSV better when they get infected again.
Methodology
Neonatal and adult mice were infected with RSV, and the effects of CCL5 and CXCL10 on T cell recruitment were analyzed using flow cytometry and RNA sequencing.
Limitations
The study was conducted in a mouse model, which may not fully replicate human responses.
Participant Demographics
Neonatal (7-day-old) and adult (6-week-old) BALB/c mice were used in the study.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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