Human Development, Intestinal Disease, NEC, Necrotizing Enterocolitis
Conditions
Keywords
NEC, Early Intestinal Development, Intestinal Intervention, Necrotizing Enterocolitis
Brief summary
Current research on early intestinal development is primarily performed in mouse models. While useful in many other ways, mouse models are not ideal for studying human intestine development as the timing of this process differs between the two species. Further, prior research has demonstrated that some proteins and pathways that are critical in human development have no clear role in mice. This study aims to improve the overall understanding of critical aspects of intestinal development in humans. In addition, this study will investigate the impact of intestinal diseases that are found in the early stages of life such as necrotizing enterocolitis (NEC).
Interventions
None listed
Sponsors
Boston Children's Hospital
Study design
Observational model
COHORT
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
No minimum to 2 Years
Healthy volunteers
No
Inclusion criteria
* Any neonate or infant through 2 years of age having intestinal surgery or intestinal biopsies from an esophogastroduodenoscopy (EGD) or colonoscopy.
Exclusion criteria
* Children \> 2 years of age. * Infants 0-2 years old not undergoing GI surgery or intestinal scope with biopsy procedure.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Number of intestinal stem cells and mature epithelial cells | At the time of surgery for another clinical problem. | Small intestinal biopsy specimens will be collected either from discarded surgical biopsies collected for clinical reasons or from 1-2 additional small bunch biopsies (5mm) near the surgery site. The tissue will be used to 1.) generate organoids for longitudinal cell culture, 2.) analyze RNA or protein components by transcriptomic or cellular analyses or 3.) analyze histology. We do not have discrete planned outcomes because this is an investigational study and we are looking for new trends or differences. |
| Degree of Immune System Changes | Within 48 hours before or after the clinically-driven surgery. | We will collect a small 1 tsp amount of blood (5mL) and use this to analyze immune cell types or cytokines in the blood. These will include monocytes, T cell, B cells, and neutrophils for the cell types. Cytokines will include IL-1, IL-2, IL-3, IL-4, Il-5, IL-6, Il-8, IL10, IL-13, IL-22, IL-33, TNFa, IFNg, IFNa, MCP1, MIP1a. |
| Fraction of Stool Microbiome that has beneficial microbes | Within 48 hours before or after the surgery from which the biopsy is obtained. | We will collect stool samples to analyze the microbiome using bulk microbial RNA sequencing. |
Countries
United States
Contacts
CONTACTAmy O'Connell, MD, PhD
CONTACTKate Eident, BS
PRINCIPAL_INVESTIGATORAmy O'Connell, MD, PhD
Boston Children's Hospital
Outcome results
None listed