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Updated: Jul 27, 2025

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Author Spotlight: Enhancing Understanding and Treatment Strategies with the NEC-on-a-Chip Model
Published on: July 28, 2023
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What animal model should I use to study necrotizing enterocolitis?
Mitchell M Won1, Georgi D Mladenov2, Steven L Raymond3
1School of Medicine, Loma Linda University, Loma Linda, CA, USA.
Seminars in Pediatric Surgery
|June 5, 2023
Summary
Necrotizing enterocolitis (NEC) research requires careful animal model selection. This review compares common rat, mouse, and piglet models with less-used alternatives to guide effective NEC studies.
Area of Science:
- Neonatal research
- Gastroenterology
- Surgical emergencies
Background:
- Necrotizing enterocolitis (NEC) is a primary gastrointestinal surgical emergency in preterm infants.
- Despite decades of research, NEC's mechanisms and treatments require further investigation.
- Animal models are crucial for understanding NEC, with rats, mice, and piglets being most common.
Approach:
- This paper evaluates the advantages and disadvantages of established NEC animal models (rat, mouse, piglet).
- It also introduces less common animal models that have advanced NEC knowledge.
- The review emphasizes the importance of selecting appropriate models for research efficacy.
Key Points:
- Rat models offer genetic tractability but may not fully replicate human NEC pathology.
- Mouse models are cost-effective and allow for rapid genetic manipulation.
- Piglet models closely mimic human infant NEC physiology and intestinal development.
Conclusions:
- Choosing the right animal model is critical for successful NEC research.
- Understanding the nuances of each model optimizes the investigation of NEC mechanisms and therapies.
- Further exploration of diverse animal models can enhance our comprehension of NEC.

