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Effect of glycine: Studying memory and behavioral changes in mice
Samia Imtiaz1, Huma Ikram2, Mazhar Ayaz3
1Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan.
Pakistan Journal of Pharmaceutical Sciences
|August 29, 2018
Summary
Glycine supplementation significantly improved memory and altered neurotransmitter levels in mice. This suggests glycine
Area of Science:
- Neuroscience
- Biochemistry
- Pharmacology
Background:
- Glycine acts as a crucial chemical mediator in the nervous system, influencing memory and neurological functions.
- Understanding glycine's impact on cognitive traits is essential for elucidating complex neurological mechanisms.
Purpose of the Study:
- To investigate the dose-dependent effects of glycine on memory and behavior in an albino mice model.
- To analyze neurochemical changes in response to glycine administration.
Main Methods:
- Thirty albino mice were administered varying doses of glycine for two weeks.
- Cognitive functions were assessed using light-dark activity and novel-object recognition tests.
- Neurochemical analysis of blood glycine levels was performed using High-Performance Liquid Chromatography with Electrochemical Detectors (HPLC-ECD).
- Brain tissue histopathology was conducted.
Main Results:
- Significant dose-dependent increases in blood glycine concentrations were observed (p<0.01).
- Glycine administration led to significant alterations in neurotransmitter levels, including serotonin metabolites (5-HT, 5-HIAA) and dopamine metabolites (DA, DOPAC, HVA).
- Histopathological examination revealed cellular clumps in brain cortical junctions at higher glycine doses.
Conclusions:
- Glycine administration significantly impacts memory and behavior in mice.
- The observed neurochemical and histopathological changes suggest a dose-dependent effect of glycine on neurotransmitter systems.
- Findings indicate potential therapeutic applications of glycine for memory loss and behavioral deficits.
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