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Prolactin and the gut: a controversy.
Journal of Pediatric Gastroenterology and Nutrition
|September 1, 1984
Summary
Plasma prolactin levels do not indicate intestinal regeneration in children. Researchers found no correlation between prolactin and jejunal mucosal growth or repair, despite detecting prolactin-like material in the gut lining.
Area of Science:
- Pediatric Gastroenterology
- Endocrinology
- Cell Biology
Background:
- Prolactin is a hormone suggested to influence intestinal mucosal growth.
- Understanding factors controlling gut regeneration is crucial for pediatric digestive health.
Purpose of the Study:
- To investigate the relationship between plasma prolactin levels and jejunal mucosal regeneration in children.
- To determine if prolactin serves as a biomarker for intestinal healing.
Main Methods:
- Measured plasma prolactin levels in 166 children undergoing jejunal biopsy.
- Analyzed biopsies for histological changes, age, and diagnosis (including celiac disease).
- Utilized immunoperoxidase staining to detect prolactin-like material in jejunal mucosa.
Main Results:
- No significant differences in plasma prolactin levels were observed between children with normal, partially atrophied, or flat jejunal mucosa.
- Plasma prolactin levels did not correlate with age or specific gastrointestinal diagnoses.
- Prolactin-like material was found in jejunal epithelial cells, but its presence did not correlate with plasma prolactin levels or mucosal histology.
Conclusions:
- Plasma prolactin is not a reliable marker for jejunal regeneration in pediatric patients.
- The biological role and origin of the detected prolactin-like material in the jejunum require further investigation.