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Cellular changes of the colon after mechanical bowel preparation
Shaun R Brown1, Mohammed S Ali2, Matthew Williams1
1Department of Surgery, William Beaumont Army Medical Center, El Paso, Texas.
The Journal of Surgical Research
|October 4, 2014
Summary
Mechanical bowel preparation (MBP) negatively impacts cellular proliferation and butyrate transport in rat colons, independent of apoptosis. This study reveals the intracellular effects of MBP on the colon.
Area of Science:
- Gastroenterology
- Cell Biology
- Pharmacology
Background:
- Mechanical bowel preparation (MBP) is a common procedure before colonoscopies.
- The intracellular effects of MBP on the colon remain largely uncharacterized.
Purpose of the Study:
- To investigate the impact of MBP on the intracellular environment of the rat colon.
- Specifically, to evaluate changes in butyrate transport and cellular proliferation.
Main Methods:
- Sixty-eight Sprague-Dawley rats underwent MBP or served as controls.
- Colonic tissue was analyzed for apoptosis, monocarboxylate transporter 1 (MCT1) expression, and proliferating cell nuclear antigen (PCNA).
- Immunohistochemistry was used to assess cellular proliferation via Ki-67 staining.
Main Results:
- MBP did not significantly alter apoptosis levels.
- A significant downregulation of MCT1 expression and a decrease in PCNA levels were observed in the MBP group.
- Immunohistochemistry confirmed reduced cellular proliferation in rats that underwent MBP.
Conclusions:
- MBP exerts a negative influence on cellular proliferation and intracellular butyrate transport in the rat colon.
- These effects are not attributable to apoptosis.
- This research provides novel insights into the intracellular consequences of MBP.
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