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Beta-blocker action on lymphocyte proliferative response in essential hypertension
T L Krasnikova1, M V Kozlova, V U Kalentchuk
1USSR Cardiology Research Centre of the Academy of Medical Sciences of the USSR, Moscow.
Cor Et Vasa
|January 1, 1988
Summary
Hypertensive patients show reduced lymphocyte proliferation, indicated by lower 3H-thymidine uptake. Propranolol treatment improved this immune response, suggesting a link between the sympathoadrenal and immune systems in essential hypertension.
Area of Science:
- Immunology
- Cardiovascular Science
- Cell Biology
Background:
- Essential hypertension is linked to immune system dysregulation.
- Lymphocyte proliferation is a key indicator of immune function.
Purpose of the Study:
- To analyze lymphocyte proliferative responses in hypertensive individuals.
- To investigate the effect of propranolol on lymphocyte function in hypertension.
Main Methods:
- Assessed phytohaemagglutinin (PHA)-stimulated lymphocyte proliferation using 3H-thymidine incorporation.
- Analyzed cell cycle phase distribution via flow cytofluorimetry.
- Measured changes after short-term propranolol administration.
Main Results:
- Hypertensive patients exhibited significantly lower 3H-thymidine uptake and (S + G2) phase cells.
- Propranolol administration increased lymphocyte blastogenic response by 30-100% in essential hypertension.
- These changes suggest altered lymphocyte subclass distribution.
Conclusions:
- Lymphocyte mitogenic response is altered in essential hypertension, potentially due to changes in lymphocyte subpopulations.
- The sympathoadrenal system may influence immune responses in hypertension.
- Propranolol shows potential in modulating immune function in hypertensive patients.