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Evaluating Therapeutic Interventions in the SHIP-deficient Mouse Model of Crohn Disease-like Ileitis and Fibrosis
Published on: October 14, 2025
How does knowledge from translational research impact our clinical care of pediatric inflammatory bowel disease
1Pediatric Gastroenterology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH 45229, USA. lee.denson@cchmc.org
Insights
Recent studies reveal new insights into pediatric Inflammatory Bowel Disease (IBD), including genetic factors and the Paris classification system. These advances aid in predicting disease course and treatment responses for better outcomes.
Area of Science:
- Pediatric gastroenterology and immunology.
- Translational research in chronic inflammatory conditions.
Background:
- Pediatric Inflammatory Bowel Disease (IBD) encompasses infantile, very early onset (VEO), and early onset (EO) forms, each with distinct characteristics.
- Advances in understanding pathogenesis, disease behavior, and treatment responses are crucial for managing pediatric IBD.
- The Paris classification system refines phenotyping based on age of onset.
Purpose of the Study:
- To summarize recent translational findings in pediatric Inflammatory Bowel Disease (IBD).
- To highlight the revised phenotyping system and its age-based classifications.
- To discuss the implications of genetic and serologic patterns for predicting disease course and treatment outcomes.
Main Methods:
- Review of recent translational and registry studies in pediatric IBD.
- Analysis of the Paris classification system for age-based phenotyping (infantile, VEO, EO).
- Examination of genetic and serologic markers for disease behavior prediction.
Main Results:
- Distinct clinical phenotypes identified, leading to the Paris classification system.
- Rare genetic mutations found in infantile/VEO IBD; EO IBD shares pathways with adult IBD.
- Genetic/serologic patterns predict aggressive stricturing behavior and disease course.
- Clinical and genetic models are emerging for treatment response prediction.
Conclusions:
- Recent research has significantly advanced the understanding of pediatric IBD.
- The Paris classification system provides a framework for age-specific IBD phenotypes.
- Predictive biomarkers and models hold promise for personalized pediatric IBD management.
Abstract:
Recent translational studies have provided new insights into pathogenesis, disease behavior, and treatment responses in pediatric Inflammatory Bowel Disease (IBD). Registry studies have identified distinct clinical phenotypes with increasing age of onset; this has led to a revision of the clinical phenotyping system, now termed the Paris classification system. It is recognized that there are infantile (age <2 years), very early onset (VEO, age 2-10), and early onset (EO, age 10-17) forms of disease. Rare genetic mutations affecting anti-microbial and anti-inflammatory pathways have been discovered in infantile and VEO forms, while genetic pathways identified in EO disease have been similar to adult-onset IBD. Genetic and serologic patterns measured soon after diagnosis have been shown to be associated with more aggressive stricturing behavior; these patterns may now be used clinically to help predict disease course. More recently, clinical and genetic models have been developed that, if validated, could be used to predict treatment responses.
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