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Acetylcholinesterase activity in developing rat brain during undernutrition.
1Department of Paediatrics, Banaras Hindu University, Varanasi.
Indian Journal of Biochemistry & Biophysics
|October 1, 1990
Summary
Low protein diets reduce acetylcholinesterase (AChE) activity in young rats, particularly during gestation and lactation. However, nutritional rehabilitation can restore normal enzyme levels, suggesting a delay rather than permanent damage.
Area of Science:
- Neuroscience
- Nutritional Science
- Biochemistry
Background:
- Acetylcholinesterase (AChE) is a critical enzyme in the nervous system.
- Nutritional status significantly impacts brain development and function.
- Prenatal and early-life nutrition are crucial for long-term health outcomes.
Purpose of the Study:
- To investigate the impact of a low protein diet on rat brain AChE activity.
- To determine the effects of undernutrition during different developmental stages (gestation, lactation, postweaning).
- To assess the reversibility of AChE changes following nutritional rehabilitation.
Main Methods:
- Rats were subjected to low protein diets during specific developmental periods.
- Acetylcholinesterase activity was measured in brain tissue.
- A rehabilitation period with a normal diet was implemented for some groups.
Main Results:
- Undernutrition during gestation and/or lactation led to decreased AChE activity, peaking at 18 days postpartum.
- Postweaning undernutrition also caused a significant reduction in AChE activity.
- A 2-week rehabilitation period restored AChE activity to control levels.
Conclusions:
- Early-life low protein diet transiently reduces rat brain AChE activity.
- The observed decrease in enzyme activity is reversible with adequate nutrition.
- AChE activity is influenced by both nutritional status and developmental age.