Establishment and Characterization of Patient-Derived Intestinal Organoids from Pediatric Crohn’s Disease Patients Cholestasis: A Randomized Controlled Trial
Establishment and Characterization of Patient-Derived Intestinal Organoids from Pediatric Crohn’s Disease Patients
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Purpose: This study aimed to establish and characterize patient-derived intestinal organoids (PDOs) from children with Crohn’s disease (CD). Methods: To generate PDOs, endoscopic biopsy specimens were obtained from noninflamed duodenal bulbs of normal controls and CD patients. To verify the presence of PDOs, histological staining and quantitative reverse transcription polymerase chain reaction (RTqPCR) analyses were performed. Results: PDOs were successfully established in normal controls (n=2) and CD patients (n=2). Hematoxylin and eosin staining of formalin-fixed, paraffin-embedded PDO sections revealed crypt and villus structures, whereas immunofluorescence staining with EpCAM and DAPI confirmed the epithelial-specific architecture of the PDOs. RT-qPCR results revealed a significant increase in Lgr5, Si, and Chga gene expression and a decrease in Olfm4 and Muc2 expression in CD patients compared to normal controls, suggesting altered stem cell activity and mucosal barrier function (p<0.05). Conclusion: We successfully established and characterized PDOs in children with CD, providing a valuable tool for understanding the pathophysiology of the disease and evaluating potential therapeutic approaches. The differential gene expression of PDOs in CD patients might be caused by the complex interplay between epithelial adaptation and inflammation in the intestinal epithelium.
Abstract
Purpose: This study aimed to establish and characterize patient-derived intestinal organoids (PDOs) from children with Crohn’s disease (CD). Methods: To generate PDOs, endoscopic biopsy specimens were obtained from noninflamed duodenal bulbs of normal controls and CD patients. To verify the presence of PDOs, histological staining and quantitative reverse transcription polymerase chain reaction (RTqPCR) analyses were performed. Results: PDOs were successfully established in normal controls (n=2) and CD patients (n=2). Hematoxylin and eosin staining of formalin-fixed, paraffin-embedded PDO sections revealed crypt and villus structures, whereas immunofluorescence staining with EpCAM and DAPI confirmed the epithelial-specific architecture of the PDOs. RT-qPCR results revealed a significant increase in Lgr5, Si, and Chga gene expression and a decrease in Olfm4 and Muc2 expression in CD patients compared to normal controls, suggesting altered stem cell activity and mucosal barrier function (p<0.05). Conclusion: We successfully established and characterized PDOs in children with CD, providing a valuable tool for understanding the pathophysiology of the disease and evaluating potential therapeutic approaches. The differential gene expression of PDOs in CD patients might be caused by the complex interplay between epithelial adaptation and inflammation in the intestinal epithelium.
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