IL-2 Receptors and Lymphocyte Proliferation in Hodgkin's Disease
Author Information
Author(s): R.N. Damle, R.J. Tatake, S.H. Advani, S.G. Gangal
Primary Institution: Cancer Research Institute, Tata Memorial Centre
Hypothesis
The number of high affinity IL-2 receptors may be more important in T cell hyporesponsiveness in Hodgkin's disease than the number of Tac antigen-bearing cells.
Conclusion
Activated lymphocytes from Hodgkin's disease patients have adequate high affinity IL-2 receptors but show decreased proliferative responses.
Supporting Evidence
- Lymphocytes from Hodgkin's disease patients showed significantly lower PHA induced proliferation compared to healthy donors.
- The percentage of Tac + cells in PHA activated HD PBL was 42.3 ± 11.2 compared to 52.2 ± 14.1 in healthy donors.
- The Kd value for high affinity IL-2R was significantly higher in HD patients than in healthy donors.
Takeaway
People with Hodgkin's disease have enough receptors for a protein called IL-2, but their immune cells don't respond as well as healthy people's cells do.
Methodology
The study analyzed low and high affinity IL-2 receptors on PHA activated lymphocytes from Hodgkin's disease patients and healthy donors using radiolabelled IL-2.
Limitations
The study may not account for all factors influencing T cell responses in Hodgkin's disease.
Participant Demographics
20 males and 5 females, aged 18-58 years, with untreated Hodgkin's disease.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
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