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Inactivation of human interferon by body fluids
Texas Reports on Biology and Medicine
|January 1, 1977
Summary
Human bodily fluids like serum and saliva inactivate natural antiviral interferon at body temperature. This inactivation is more pronounced for fibroblast interferon, impacting its clinical use.
Area of Science:
- Biochemistry
- Immunology
- Virology
Background:
- Interferon is a natural antiviral substance crucial for immune response.
- Understanding factors affecting interferon stability is vital for therapeutic applications.
Purpose of the Study:
- To investigate the presence of substances in human bodily fluids that inactivate human interferon.
- To compare the inactivation effects on different types of interferon.
Main Methods:
- Testing various human biological samples (serum, saliva, CSF, etc.) for interferon-inactivating activity.
- Assessing inactivation at normal body temperature (37°C).
- Comparing effects on fibroblast interferon and leukocyte interferon.
Main Results:
- Nearly all tested human biological samples exhibited interferon-inactivating properties.
- Fibroblast interferon showed greater inactivation compared to leukocyte interferon.
- Inactivation occurred at normal physiological temperatures.
Conclusions:
- Human bodily fluids contain substances that can neutralize interferon's antiviral activity.
- The differential inactivation of interferon types has significant implications for interferon-based therapies.
- Further research is needed to identify these inactivating substances and their clinical relevance.