Lack of correlation between lymphocyte activating determinants and HLA-DR on acute leukaemias
Author Information
Author(s): G.M. Taylor, J.C. Ridway, W.D. Fergusson, R. Harris
Primary Institution: Immunogenetics Laboratory, Department of Medical Genetics, St. Mary's Hospital, Manchester
Hypothesis
Is there a correlation between lymphocyte activating determinants (LAD) and HLA-DR expression in acute leukaemias?
Conclusion
The study found no correlation between lymphocyte activating determinants and HLA-DR expression in acute leukaemias.
Supporting Evidence
- 22 LAD+ leukaemias included 2 DR- cases.
- 2 LAD- leukaemias were DR+.
- Most acute myeloid leukaemias express cell-surface HLA-DR.
Takeaway
The study looked at blood from 25 leukemia patients and found that the markers on their immune cells didn't match up like they do in healthy people.
Methodology
The study involved analyzing blood samples from leukemia patients for the expression of lymphocyte activating determinants and HLA-DR antigens.
Limitations
The study only included 25 cases, which may limit the generalizability of the findings.
Participant Demographics
Patients with acute leukaemias, mostly with a high percentage of blasts.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
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