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Lymphocyte arginase activity in leprosy--a preliminary report
C S Babu1, K B Kannan, V P Bharadwaj
1Central JALMA Institute for Leprosy, Agra.
The Indian Journal of Medical Research
|May 1, 1990
Summary
Arginase activity in serum and lymphocytes increases with leprosy severity. This finding correlates with impaired immune responses in leprosy patients, suggesting a role for arginase in disease progression.
Area of Science:
- Immunology
- Biochemistry
- Infectious Diseases
Background:
- Leprosy is a complex infectious disease affecting the immune system.
- Arginase is an enzyme involved in immune regulation.
Purpose of the Study:
- To investigate arginase activity in leprosy patients.
- To correlate arginase levels with disease spectrum and immune response.
Main Methods:
- Assessed serum and lymphocyte arginase activity in healthy controls and leprosy patients.
- Categorized patients into tuberculoid (TT), borderline (BB/BT), and lepromatous (LL/BL) forms.
Main Results:
- Serum arginase levels were elevated in lepromatous/borderline lepromatous (LL/BL) patients compared to controls.
- Lymphocyte arginase activity showed a significant increasing trend from TT to LL/BL leprosy.
- Elevated lymphocyte arginase correlated with impaired cell-mediated immunity and disease extent.
Conclusions:
- Arginase activity, particularly in lymphocytes, is altered in leprosy.
- Increased arginase levels may contribute to immune dysfunction in leprosy.
- Further research is needed to elucidate the role of arginase in leprosy pathogenesis.