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Disordered macrophage development in Hodgkin's disease shown by quantitative cytochemistry
Analytical and Quantitative Cytology and Histology
|August 1, 1993
Summary
Mononuclear phagocyte maturation in Hodgkin's disease shows disordered cytochemical changes. Key enzymes like alpha-naphthyl butyrate esterase and glycogen levels are significantly altered, impacting host defense mechanisms.
Area of Science:
- Immunology
- Cell Biology
- Biochemistry
Background:
- Hodgkin's disease is associated with disordered maturation of mononuclear phagocytes.
- Understanding these cellular changes is crucial for comprehending immune dysfunction in this disease.
Purpose of the Study:
- To quantitate cytochemical changes in developing macrophages from Hodgkin's disease patients compared to normal subjects.
- To investigate specific alterations in enzymes and cellular components during macrophage maturation.
Main Methods:
- Used integrating microdensitometry to measure seven cytochemical constituents (NADH dehydrogenase, succinate dehydrogenase, acid phosphatase, alpha-naphthyl butyrate esterase, DNA, RNA, glycogen).
- Studied individual cells over six days in suspension culture.
- Analyzed results using analysis of variance.
Main Results:
- All measured constituents, except DNA, significantly increased during culture in both patient and normal groups.
- Macrophages from Hodgkin's disease patients exhibited consistently lower levels of alpha-naphthyl butyrate esterase (approx. 65%) and increased glycogen.
- Significant maturational changes were observed in macrophage cytochemical profiles.
Conclusions:
- Developing macrophages in Hodgkin's disease undergo distinct maturational changes.
- Disturbances in alpha-naphthyl butyrate esterase and glycogen levels in macrophages may have profound implications for host defense mechanisms in Hodgkin's disease.