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Updated: Aug 9, 2026
11:28
Analytical Techniques for Assaying Nitric Oxide Bioactivity
Published on: June 18, 2012
Endogenous nitrate synthesis in selected infectious diseases and ulcerative colitis
K Wettig1, K R Schulz, J Scheibe
1Research Branch Berlin-Buch, Research Institute for Hygiene and Microbiology, FRG.
Neoplasma
|January 1, 1991
Summary
Cytotoxic activated macrophages contribute to nitrate formation in diarrheal patients, confirming animal study findings. However, nitrates may not reliably indicate inflammation in all diseases.
Area of Science:
- Immunology and Gastroenterology
- Biochemistry and Inflammation Research
Background:
- Activated macrophages play a role in inflammatory processes.
- Nitrate formation is linked to certain biological pathways.
Purpose of the Study:
- To investigate the role of cytotoxic activated macrophages in endogenous nitrate formation in diarrheal patients.
- To evaluate the significance of nitrate levels in characterizing inflammatory diseases.
Main Methods:
- Clinical investigations in acute and chronic diarrheal patients.
- Comparison of nitrate levels in biological samples (urine, blood, saliva) across different inflammatory conditions.
Main Results:
- Animal experiment results regarding macrophage-mediated nitrate formation were confirmed in human diarrheal patients.
- Nitrate release was not observed in all inflammatory diseases, questioning its universal diagnostic value.
Conclusions:
- Cytotoxic activated macrophages are implicated in endogenous nitrate production in diarrheal conditions.
- The general importance of nitrates as biomarkers for the initiation and progression of inflammation requires further critical assessment.
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