Growth Hormone Receptors in Human Tonsil Lymphocytes
Author Information
Author(s): OLIVIER THELLIN, BERNARD COUMANS, WILLY ZORZI, ROSS BARNARD, GEORGES HENNEN, ERNST HEINEN, AHMED IGOUT
Primary Institution: University of Liege, Belgium
Hypothesis
Does hGH-N-R expression by lymphocytes correlate with their activation or maturation status?
Conclusion
Tonsillar B cells constitutively express growth hormone receptors, while T cells only express them transiently upon activation.
Supporting Evidence
- Tonsillar B cells consistently express growth hormone receptors, while T cells do not.
- Activated T cells show increased expression of growth hormone receptors compared to quiescent T cells.
- Different B-cell subpopulations exhibit varying levels of growth hormone receptor expression.
Takeaway
This study found that B cells in the tonsils have growth hormone receptors all the time, but T cells only have them when they are activated.
Methodology
Flow cytometry was used to analyze the expression of growth hormone receptors on different lymphocyte subpopulations from human tonsils.
Limitations
Results varied considerably between tonsils, and the study focused on a limited number of samples.
Participant Demographics
Tonsils from 1 to 8-year-old children were used.
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