Protective CD8+ T-cell responses to cytomegalovirus driven by rAAV/GFP/IE1 loading of dendritic cells
2008

CD8+ T-cell Responses to Cytomegalovirus from Dendritic Cells

Sample size: 3 publication Evidence: high

Author Information

Author(s): Yu Yuefei, Pilgrim Petra, Yan Juqiang, Zhou Wei, Jenkins Marjorie, Gagliano Nicoletta, Bumm Klaus, Cannon Martin, Milzani Aldo, Dalle-Donne Isabella, Kast W Martin, Cobos Everardo, Chiriva-Internati Maurizio

Primary Institution: Texas Tech University Health Sciences Center

Hypothesis

The study hypothesizes that rAAV-based antigen loading of dendritic cells can generate strong immune responses against cytomegalovirus (HCMV).

Conclusion

The study concludes that AAV-based antigen loading of dendritic cells is highly effective for generating human CTL responses against HCMV antigens.

Supporting Evidence

  • The rAAV vector induced a strong stimulation of CTLs directed against the HCMV antigen IE1.
  • Single PBMC stimulation with rAAV/IE1 pulsed DCs induces strong antigen specific-CTL generation.
  • CTLs were capable of lysing low doses of peptides pulsed into target cells.

Takeaway

Scientists found a way to help the body's immune system fight a virus called cytomegalovirus by using special cells that can present the virus's parts to the immune system.

Methodology

The study used rAAV to load dendritic cells with the IE1 antigen and then assessed the CTL responses in vitro.

Participant Demographics

3 female HLA-A2 restricted healthy donors.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1479-5876-6-56

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