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EFFECT OF CHRONIC ADMINISTRATION OF LOW DOSES OF POLYPEPTIDES OF CATTLE CEREBRAL CORTEX AND
M Mirzoyan1, D Chochiev1, F Rostomov1
1NWSMU named after I.I. Mechnikov, Saint-Petersburg, Russia.
Georgian Medical News
|July 4, 2024
Summary
Early life stress can alter emotional perception and stress responses. Polypeptides of cattle cerebral cortex effectively compensated for chronic stress reactions in rat offspring experiencing maternal deprivation.
Area of Science:
- Neuroscience
- Pharmacology
- Developmental Psychology
Background:
- Stress impacts individuals universally, with early-life stress potentially causing long-term alterations in emotional perception and stress responses.
- Current stress research often focuses on specific pathologies rather than the fundamental interpretation of the stress phenomenon.
- The pathogenesis of the classical stress triad lacks comprehensive validation in existing literature.
Purpose of the Study:
- To evaluate the efficacy of nootropic drugs, specifically polypeptides of cattle cerebral cortex and methionyl-glutamyl-histidyl-phenylalanyl-prolyl-glycyl-proline, on the behavior of rat offspring subjected to maternal deprivation.
- To investigate the potential of these nootropic agents in mitigating the effects of early-life chronic stress.
Main Methods:
- The study involved exposing rat offspring to early postnatal maternal deprivation.
- Nootropic drugs, including polypeptides of cattle cerebral cortex and methionyl-glutamyl-histidyl-phenylalanyl-prolyl-glycyl-proline, were administered to the offspring.
- Behavioral responses to stress and the drug's effects on adaptation were assessed.
Main Results:
- Both tested nootropic drugs demonstrated effects on memory, learning, and adaptation to damaging conditions.
- Polypeptides of cattle cerebral cortex exhibited the most significant effectiveness in compensating for chronic stress reactions induced by maternal deprivation.
- The study highlights the potential of specific nootropic agents in mitigating stress-induced behavioral changes.
Conclusions:
- Early postnatal maternal deprivation significantly impacts offspring behavior and stress responses.
- Polypeptides of cattle cerebral cortex represent a promising therapeutic agent for counteracting the adverse effects of chronic stress, particularly in early life.
- Further research into the neurobiological mechanisms underlying these compensatory effects is warranted.

