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Mo I, Lapillonne A, van den Akker CHP, Khashu M, Johnson MJ, McElroy SJ, Zachariassen G. Nutritional management after necrotizing enterocolitis and focal intestinal perforation in preterm infants. Pediatr Res 2024:10.1038/s41390-024-03386-y. [PMID: 38992154 DOI: 10.1038/s41390-024-03386-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 06/04/2024] [Accepted: 06/16/2024] [Indexed: 07/13/2024]
Abstract
Nutritional management of preterm infants recovering from necrotizing enterocolitis (NEC) or focal intestinal perforation (FIP) is challenging, especially in infants managed surgically. The logistics of how, when, and what to feed are unclear and current nutritional practices are primarily based on physiological principles and consensus opinion in individual units, rather than high-quality evidence. The aim of this narrative review is to summarize the literature on nutritional management after NEC or FIP in preterm infants: when to restart enteral nutrition, type of enteral nutrition to use, and how to advance nutrition. We also discuss treatment of micronutrient deficiencies, cholestasis, replacement of stoma losses, and optimal time of stoma closure. In conclusion, there are in sufficient high-quality studies available to provide evidence-based recommendations on the best nutritional practice after NEC or FIP in preterm infants. A local or national consensus based early nutrition guideline agreed upon by a multidisciplinary team including pediatric surgeons, pediatricians/neonatologists, nurses, and nutritionists is recommended. Further studies are urgently needed. IMPACT: There is no good quality evidence or nutritional standard across neonatal units treating infants after medical or surgical NEC or FIP. With this review we hope to start providing some consistency across patients and between providers treating patients with NEC and FIP. Mother's own milk is recommended when restarting enteral nutrition after NEC or FIP. In the absence of high-quality evidence, a consensus based early nutrition guideline agreed upon by a multidisciplinary team is recommended. Nutritional research projects are urgently needed in NEC and FIP patients.
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Affiliation(s)
- Ingrid Mo
- Department of Clinical Research, University of Southern Denmark, 5000, Odense, Denmark
| | - Alexandre Lapillonne
- Department of Neonatology, Necker-Enfants Malades Hospital, EHU 7328 PACT, University of Paris Cite, Paris, France
- CNRC Baylor College of Medicine, Houston, Texas, USA
| | - C H P van den Akker
- Department of Pediatrics-Neonatology, Amsterdam UMC, University of Amsterdam, Amsterdam, the Netherlands
- Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands
| | - Minesh Khashu
- Department of Neonatology, University Hospitals Dorset NHS Foundation Trust, Dorset, United Kingdom
| | - Mark J Johnson
- Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
- NIHR Southampton Biomedical Research Centre, University Hospital Southampton NHS Foundation Trust and University of Southampton, Southampton, UK
| | - Steven J McElroy
- Department of Pediatrics, Division of Neonatology, University of California Davis, Sacramento, CA, USA
| | - Gitte Zachariassen
- Department of Clinical Research, University of Southern Denmark, 5000, Odense, Denmark.
- Hans Christian Andersen Children's Hospital, Department of Neonatology, Odense University Hospital, 5000, Odense, Denmark.
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2
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Kaenkumchorn TK, Lampone O, Huebner K, Cramer J, Karls C. When parenteral nutrition is the answer: The case of pediatric intestinal rehabilitation. Nutr Clin Pract 2024. [PMID: 38961658 DOI: 10.1002/ncp.11179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2024] [Revised: 05/09/2024] [Accepted: 06/03/2024] [Indexed: 07/05/2024] Open
Abstract
In pediatric patients with intestinal failure, parenteral nutrition is lifesaving but also has several associated risks. The goals of intestinal rehabilitation include promoting growth, minimizing complications associated with intestinal failure, and reaching enteral autonomy, if possible. Pediatric intestinal rehabilitation programs are interdisciplinary teams that strive to provide optimal care for children dependent on parenteral nutrition. The provision of parenteral nutrition requires close monitoring of patients' growth, nutrition concerns, clinical status, and laboratory parameters. Recent advances in the field of intestinal rehabilitation include new lipid emulsions, considerations regarding enteral feeding, advances in micronutrient provision, and central venous catheter preservation techniques. Challenges in the field remain, including improving overall quality of life with home parenteral nutrition administration and preventing recently recognized complications such as chronic intestinal inflammation.
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Affiliation(s)
- Tanyaporn K Kaenkumchorn
- Division of Gastroenterology, Hepatology, and Nutrition, Children's Wisconsin, Milwaukee, Wisconsin, USA
| | - Olivia Lampone
- Clinical Nutrition, Children's Wisconsin, Milwaukee, Wisconsin, USA
| | - Kayla Huebner
- Department of Pharmacy, Children's Wisconsin, Milwaukee, Wisconsin, USA
| | - Jesse Cramer
- Department of Pharmacy, Children's Wisconsin, Milwaukee, Wisconsin, USA
| | - Catherine Karls
- Clinical Nutrition, Children's Wisconsin, Milwaukee, Wisconsin, USA
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Nucci AM, Samela K, Bobo E, Wessel J. Complementary food introduction practices in infants with intestinal failure. Nutr Clin Pract 2023; 38:177-186. [PMID: 35762260 DOI: 10.1002/ncp.10883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 04/08/2022] [Accepted: 05/08/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Oral intake in infants with intestinal failure (IF) may be limited due to intolerance or feeding difficulties. Guidelines for the introduction of semisolid or solid complementary foods (CFs) to infants with IF do not exist. CF intake and caloric contribution from CF is difficult to assess due to malabsorption and incomplete recording. The aim of this study was to identify institutional approaches to introducing CF to infants with IF. METHODS The American Society for Parenteral and Enteral Nutriton (ASPEN) Pediatric Intestinal Failure Section Registered Dietitian/Nutritionist (RDN) working group designed a 10-question online cloud-based survey to assess group member practice related to the introduction of CF to infants with IF. RESULTS Twenty-six surveys were completed. Thirteen (50%) RDNs recommend introduction of CF between 4 and 6 months of age. Nineteen (76%) recommend adding pureed foods to gastrostomy tube feedings. Seventeen (65%) follow standard infant feeding practice guidelines with half citing the American Academy of Pediatrics. Approximately half (44%) recommend introducing vegetables first and the majority (80%) recommend delaying the introduction of fruits. The vast majority (92%) recommend specific foods to minimize stool output including green beans, bananas, infant cereals, and meats/protein. CONCLUSION Institutional practices related to the introduction of CF to infants with IF vary. Similarities with first food choice and foods to avoid were observed. Evidenced-based practice guidelines for the introduction of CF to infants with IF need to be established to determine best practices for reducing stool output, encouraging weaning from parenteral nutrition, and achieving enteral autonomy.
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Affiliation(s)
- Anita M Nucci
- Department of Nutrition, Georgia State University, Atlanta, Georgia, USA
| | - Kate Samela
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, Connecticut Children's, Hartford, Connecticut, USA
| | - Elizabeth Bobo
- Department of Gastroenterology and Nutrition, Nemours Children's Health, Jacksonville, Florida, USA
| | - Jacqueline Wessel
- Department of Pediatric Surgery, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, USA
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Yanchis D, Belza C, Harrison D, Wong-Sterling S, Kean P, So S, Patterson C, Wales PW, Avitzur Y, Courtney-Martin G. Normal anthropometry does not equal normal body composition in pediatric intestinal failure. JPEN J Parenter Enteral Nutr 2021; 46:207-214. [PMID: 34510469 DOI: 10.1002/jpen.2265] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/24/2021] [Accepted: 09/08/2021] [Indexed: 12/22/2022]
Abstract
BACKGROUND Published reports on abnormal body composition in pediatric patients with intestinal failure have been in patients with poor growth. The goal of the current study is to report the body composition of normally growing patients with intestinal failure. METHODS Children 8-18 years old with a dual-energy x-ray absorptiometry (DXA) between January 1, 2013, and July 15, 2018, were included in the study. Data were retrospectively collected from the medical charts and included demographics, residual bowel anatomy, nutrition support, height, and weight. DXA data, including total body less head bone mineral density (BMD), fat mass (FM), and fat-free mass (FFM), were collected and compared with published literature controls matched for age and sex. RESULTS Thirty-four children met inclusion criteria. Mean age at the time of DXA was 9.6 ± 1.8 years. Weight- and height-for-age z-scores were -0.4 ± 0.9 and -0.5 ± 1.0, respectively. Mean BMD z-score was -1.0 ± 1.3. Twenty-six percent of patients (n = 9) had reduced BMD. Patients with intestinal failure had higher FM (P = .02) and lower FFM (P = .02) compared with controls. CONCLUSIONS These data show that, despite reference range z-scores for height and weight, children with intestinal failure are at risk for abnormal body composition. Body composition should be routinely measured in children with intestinal failure to direct nutrition interventions.
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Affiliation(s)
- Dianna Yanchis
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada
| | - Christina Belza
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada
| | - Debra Harrison
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada
| | - Sylvia Wong-Sterling
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada
| | - Penni Kean
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada
| | - Stephanie So
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada.,Department of Rehabilitation Services, The Hospital for Sick Children, Toronto, ON, Canada
| | - Catherine Patterson
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada.,Department of Rehabilitation Services, The Hospital for Sick Children, Toronto, ON, Canada
| | - Paul W Wales
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada.,Department of Surgery, University of Toronto, Toronto, ON, Canada
| | - Yaron Avitzur
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada.,Department of Paediatrics, University of Toronto, Toronto, ON, Canada
| | - Glenda Courtney-Martin
- Research Institute, The Hospital for Sick Children, Toronto, ON, Canada.,Transplant and Regenerative Medicine Centre, The Hospital for Sick Children, Toronto, ON, Canada.,Group for Improvement of Intestinal Function and Treatment (GIFT), The Hospital for Sick Children, Toronto, ON, Canada.,Faculty of Kinesiology, University of Toronto, Toronto, ON, Canada.,Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada
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Liu Y, Gong Z, Zhou J, Yan J, Cai W. Lin 28A/Occludin axis: An aberrantly activated pathway in intestinal epithelial cells leading to impaired barrier function under total parenteral nutrition. FASEB J 2020; 35:e21189. [PMID: 33200449 DOI: 10.1096/fj.202001819r] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 10/25/2020] [Accepted: 10/29/2020] [Indexed: 11/11/2022]
Abstract
Disassembly of tight junctions is a major cause of intestinal barrier dysfunction under total parenteral nutrition (TPN), but the precise mechanisms have not been fully understood. Normally, RNA binding protein Lin 28A is highly restricted to embryonic stem cells and dramatically decreases as differentiation progresses; however, in our preliminary study it was found aberrantly increased in the intestinal epithelial cells of TPN rats, and thus its mechanism of action needs to be addressed. Herein, we report a pivotal role of Lin 28A in the regulation of tight junctions, which induces a sustained translational repression of Occludin, leading to disruption of intestinal barrier function under TPN. Using a rat model of TPN, we found time-dependent upregulation of Lin 28A, negatively correlated with Occludin. Using mouse intestinal organoids and human gut-derived Caco-2 cells as in vitro models, we found that expression of Occludin could be significantly suppressed by ectopic overexpression of Lin 28A. The underlying mechanisms may be partially attributed to translational repression, as the abundance of Occludin transcripts in polysomes was dramatically reduced by Lin 28A (polysomal profiling). Furthermore, Lin 28A was found to directly bind to Occludin mRNA 3' untranslated coding region (UTR), thereby repressing the translation of Occludin transcripts through decapping enzyme 1A (DCP1a). Taken together, our findings revealed that Lin 28A/Occludin axis may be a novel mechanism accounting for the development of barrier dysfunction under TPN.
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Affiliation(s)
- Yang Liu
- Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zizhen Gong
- Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai Institute for Pediatric Research, Shanghai, China
| | - Jiefei Zhou
- Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai Institute for Pediatric Research, Shanghai, China
| | - Junkai Yan
- Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai Institute for Pediatric Research, Shanghai, China
| | - Wei Cai
- Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai Institute for Pediatric Research, Shanghai, China
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Afolabi TM, Fairman KA. Pediatric Home Parenteral Nutrition: Indications and Short-Term Outcomes in a Large National Sample of Commercially Insured Children and Adolescents. Nutr Clin Pract 2018; 34:242-249. [PMID: 30511404 DOI: 10.1002/ncp.10225] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND To support families managing the complex requirements of home parenteral nutrition (HPN) in pediatric patients, health professionals need information about HPN indications and complications. Nationally representative information is limited. METHODS A retrospective cohort analysis of the Truven Health MarketScan Commercial Claims and Encounters Database was performed and identified 683 patients aged ≤18 years receiving HPN during dates of service from January 2013 through September 2015. Baseline diagnoses were measured in the 30 days before the first observed HPN claim (preindex). Indications for older (aged 13-18 years) and younger (aged ≤12 years) children were compared. Hospital and emergency department (ED) utilization rates were measured for 30 postindex days. RESULTS Gastrointestinal diagnoses and/or symptoms affected more than three-quarters of patients. Short bowel syndrome was more common in younger than in older patients (24% vs 7%, respectively), and colitis was less common (13% vs 33%; both P < .01). Cancer was common in both age groups (22%-23%). Additional diagnoses indicating complex medical conditions were observed in a minority of patients: sepsis (9%), convulsions/epilepsy (7%), encephalopathy (3%), and immune deficiency (3%). From the preindex to postindex periods, rates of inpatient hospitalization declined from 78% to 41%, but hospital ED visits increased from 10% to 14%. In both periods, >95% of hospital and ED use was disease related. CONCLUSION In a nationally representative sample of commercially insured pediatric patients treated with HPN, complex medical conditions were common. Findings highlight the importance of American Society for Parenteral and Enteral Nutrition recommendations for team-based care.
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Affiliation(s)
- Titilola M Afolabi
- College of Pharmacy-Glendale, Midwestern University, Glendale, Arizona, USA.,Phoenix Children's Hospital, Phoenix, Arizona, USA
| | - Kathleen A Fairman
- College of Pharmacy-Glendale, Midwestern University, Glendale, Arizona, USA
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Xiao Y, Zhou K, Lu Y, Yan W, Cai W, Wang Y. Administration of antibiotics contributes to cholestasis in pediatric patients with intestinal failure via the alteration of FXR signaling. Exp Mol Med 2018; 50:1-14. [PMID: 30504803 PMCID: PMC6269533 DOI: 10.1038/s12276-018-0181-3] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 09/03/2018] [Accepted: 09/04/2018] [Indexed: 12/14/2022] Open
Abstract
The link between antibiotic treatment and IF-associated liver disease (IFALD) is unclear. Here, we study the effect of antibiotic treatment on bile acid (BA) metabolism and investigate the involved mechanisms. The results showed that pediatric IF patients with cholestasis had a significantly lower abundance of BA-biotransforming bacteria than patients without cholestasis. In addition, the BA composition was altered in the serum, feces, and liver of pediatric IF patients with cholestasis, as reflected by the increased proportion of primary BAs. In the ileum, farnesoid X receptor (FXR) expression was reduced in patients with cholestasis. Correspondingly, the serum FGF19 levels decreased significantly in patients with cholestasis. In the liver, the expression of the rate-limiting enzyme in bile salt synthesis, cytochrome P450 7a1 (CYP7A1), increased noticeably in IF patients with cholestasis. In mice, we showed that oral antibiotics (gentamicin, GM or vancomycin, VCM) reduced colonic microbial diversity, with a decrease in both Gram-negative bacteria (GM affected Eubacterium and Bacteroides) and Gram-positive bacteria (VCM affected Clostridium, Bifidobacterium and Lactobacillus). Concomitantly, treatment with GM or VCM decreased secondary BAs in the colonic contents, with a simultaneous increase in primary BAs in plasma. Moreover, the changes in the colonic BA profile especially that of tauro-beta-muricholic acid (TβMCA), were predominantly associated with the inhibition of the FXR and further altered BA synthesis and transport. In conclusion, the administration of antibiotics significantly decreased the intestinal microbiota diversity and subsequently altered the BA composition. The alterations in BA composition contributed to cholestasis in IF patients by regulating FXR signaling. Using antibiotics during intestinal failure in children may lead to the development of liver disease. Microbiota in the gut play vital roles in balancing the digestive system, including transforming bile acids (BAs) secreted by the liver into forms that help us digest food. Wai Cai and Ying Wang at Shanghai Jiao Tong University in China and co-workers examined samples from 46 children treated with antibiotics for intestinal failure. The patients who also had cholestasis – disrupted production and flow of bile – had far fewer BA-transforming bacteria in their gut than those without cholestasis. They also had altered expression of a crucial BA receptor protein. Experiments on mice showed that treatment with two different antibiotics reduced microbiota diversity, which in turn influenced BA receptor signaling and altered BA composition, contributing to cholestasis.
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Affiliation(s)
- Yongtao Xiao
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Institute of Pediatric Research, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Kejun Zhou
- Shanghai Institute of Pediatric Research, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Ying Lu
- Shanghai Institute of Pediatric Research, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Weihui Yan
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Wei Cai
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China. .,Shanghai Institute of Pediatric Research, Shanghai, China. .,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China.
| | - Ying Wang
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China. .,Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China.
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Xiao Y, Yan W, Lu Y, Zhou K, Cai W. Neurotensin contributes to pediatric intestinal failure-associated liver disease via regulating intestinal bile acids uptake. EBioMedicine 2018; 35:133-141. [PMID: 30104181 PMCID: PMC6154870 DOI: 10.1016/j.ebiom.2018.08.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 08/01/2018] [Accepted: 08/02/2018] [Indexed: 02/06/2023] Open
Abstract
Although the pathogenesis of intestinal failure (IF)-associated liver disease (IFALD) is uncertain, IF-associated cholestasis mediated by the combination of intestinal injury and parenteral nutrition (PN) can lead to disturbed hepatocyte bile acids (BA) homeostasis and cause liver damages. We here show that neurotensin (NT; also known as NTS) concentrations were lower compared to healthy matched controls. Patients with cholestasis [56.1 ng/L (9.7-154.7) vs. 210.4 ng/L (134-400.4), p < .001] had lower serum NT concentrations than others. In patients' ileum, the levels of NT mRNA were positively correlated with the apical sodium dependent bile acid transporter (ASBT) mRNA levels. In mice and in cultured intestinal cells, NT treatments stimulated the expression of ASBT and led to increase BA uptake via NT receptors (NTR1 and NTR3; also known as NTSR1and NTSR3). In conclusion, these findings directly link NT with BA homeostasis, which provide an insight into the complex mechanisms mediating the development of liver disease in pediatric patients with IF.
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Affiliation(s)
- Yongtao Xiao
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Institute for Pediatric Research, Shanghai, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Weihui Yan
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Ying Lu
- Shanghai Institute for Pediatric Research, Shanghai, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Kejun Zhou
- Shanghai Institute for Pediatric Research, Shanghai, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China
| | - Wei Cai
- Department of Pediatric Surgery, Xin Hua Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Institute for Pediatric Research, Shanghai, China; Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition, Shanghai, China.
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