Human Placental Extract Enhances Neonatal Intestinal Epithelial Reparative Capacity in Porcine Models

Area of Science:

• Neonatal Medicine
• Gastroenterology
• Regenerative Medicine

Background:

• Necrotizing enterocolitis (NEC) poses a significant threat to infant survival.
• Current neonatal medicine lacks targeted therapies for intestinal epithelial damage in NEC.
• There is a critical need for therapeutics that promote epithelial repair and regeneration.

Purpose of the Study:

• To investigate the potential of decellularized human placental extract (HPE) in preventing and treating NEC-induced intestinal injury.
• To evaluate HPE's efficacy in promoting epithelial recovery and cellular regeneration in both in vitro and in vivo NEC models.

Main Methods:

• In vitro studies utilized primary neonatal porcine ileal epithelial cells subjected to hypoxia or scratch-wound injury with HPE treatment.
• In vivo studies involved inducing NEC in neonatal piglets and administering enteral HPE.
• Transcriptomic analysis was performed on HPE-treated monolayer cultures to identify key molecular pathways involved in healing.

Main Results:

• In vitro, HPE accelerated epithelial scratch closure and increased cell proliferation but did not improve tight junction recovery after hypoxia.
• In piglets, HPE administration led to increased weight gain, reduced NEC-related damage, and enhanced ileal crypt cell proliferation.
• Transcriptomic analysis revealed that HPE upregulates pathways crucial for epithelial wound healing, proliferation, and migration.

Conclusions:

• Decellularized human placental extract (HPE) demonstrates potential in enhancing the intestinal epithelium's reparative capacity.
• HPE may serve as a novel therapeutic agent for managing necrotizing enterocolitis (NEC) in infants.
• Further research into HPE's mechanisms and clinical application for NEC is warranted.