Key result
Renin-containing kidney extract injections induce renin-neutralizing antibodies in multiple animal species.
Why the study?
The study aimed to investigate the production of renin-neutralizing antibodies following intramuscular injection of kidney extracts containing renin in various animal species.
Population
Several animal species including dogs
Comparison
Intramuscular injection of various kidney extracts containing renin vs no injection or baseline
Design
Preclinical experimental study
Authors
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Antirenin production warrants caution in experimental renin therapies; leaves open species-specific autoimmunity effects on blood pressure regulation.
This preclinical study demonstrates that injection of renin-containing kidney extracts induces antirenin antibodies, with dogs uniquely forming autoantibodies against their own renin.
O. M. Helmer (1958) studied this question. Intramuscular injection of various kidney extracts containing renin was evaluated on Appearance in sera of a substance which neutralized renin (antirenin titers). Intramuscular injection of kidney extracts containing renin in several animal species caused the appearance of renin-neutralizing antibodies, with dogs producing antibodies against their own renin.
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