CD46 Expression on Blood Cells and HHV-6 Infection
Author Information
Author(s): Thulke Stefanie, Radonić Aleksandar, Nitsche Andreas, Siegert Wolfgang
Primary Institution: Charité-Universitätsmedizin Berlin
Hypothesis
Can early progenitor cells be infected by HHV-6 through the CD46 receptor?
Conclusion
Hematopoietic progenitor cells express CD46, indicating their susceptibility to HHV-6 infection.
Supporting Evidence
- B-lymphocytes showed the highest CD46 expression levels.
- T-lymphocytes had about half the CD46 expression compared to B-lymphocytes.
- CD46 expression on progenitor cells from G-CSF mobilised leukapheresis products was significantly lower than that from untreated cord blood.
Takeaway
This study found that certain blood cells have a receptor called CD46, which allows a virus (HHV-6) to infect them.
Methodology
Flow cytometry was used to analyze CD46 expression on various leukocyte subpopulations.
Limitations
The study could not explain the reduced CD46 expression on progenitor cells after G-CSF treatment and MACS separation.
Participant Demographics
Samples included human cord blood, peripheral blood from healthy adults, and G-CSF mobilised progenitor cells.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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