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Hu Q, Ren H, Hong Z, Wang C, Zheng T, Ren Y, Chen K, Liu S, Wang G, Gu G, Wu X, Ren J. Early Enteral Nutrition Preserves Intestinal Barrier Function through Reducing the Formation of Neutrophil Extracellular Traps (NETs) in Critically Ill Surgical Patients. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:8815655. [PMID: 33294125 PMCID: PMC7700037 DOI: 10.1155/2020/8815655] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/20/2020] [Accepted: 11/05/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND The gut was suggested as the driver of critical illness and organ injury. Recently, excessive formation of neutrophil extracellular traps (NETs) was associated with mucosal inflammation. Direct investigation of intestinal mucosa is essential to illuminate the potential mechanism of gut barrier in critically ill patients. We hypothesized that early enteral nutrition (EN) could decrease intestinal NETs and maintain the gut barrier. METHODS Intestinal biopsies were obtained using biopsy forceps from critically ill surgical patients complicated with enterocutaneous fistula. Expressions of tight junction (TJ) proteins, mucosal inflammation, and apoptosis were evaluated. Moreover, NET-associated proteins were evaluated in intestinal specimens of patients by Western blot and immunofluorescence analysis. RESULTS The intestinal barrier was significantly impaired in critically ill patients receiving early total parenteral nutrition (TPN), evidenced by intestinal villi atrophy, inflammatory infiltration, increased enterocyte apoptosis, and abnormal TJ expressions. Early EN significantly alleviated these intestinal injuries. In addition, we observed increased formation of the NET structure and elevated expressions of NET-associated proteins in intestines of critically ill surgical patients. Early EN was associated with the diminished presence of NETs and reduced expression of NET-associated proteins. Mechanically, analysis of the TLR4 pathway showed a significant increase in TLR4, NFκB, and MAPK signaling in patients receiving TPN when compared to those receiving early EN. CONCLUSION The intestinal barrier is disrupted in the human gut during critical illness. Our data suggests that an increased NET structure was showed in the gut of critically ill surgical patients, and early EN treatment was associated with the reduction of NET formation and the preservation of mucosal immunity.
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Affiliation(s)
- Qiongyuan Hu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 210008, China
| | - Huajian Ren
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Zhiwu Hong
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Chenyang Wang
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Tao Zheng
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Yanhan Ren
- Rosalind Franklin University of Medicine and Sciences, North Chicago, IL, USA
| | - Kai Chen
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 210008, China
| | - Song Liu
- Department of Gastrointestinal Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 210008, China
| | - Gefei Wang
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Guosheng Gu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Xiuwen Wu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
| | - Jianan Ren
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing 210002, China
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Abstract
Malnutrition is a common feature of chronic and acute diseases, often associated with a poor prognosis, including worsening of clinical outcome, owing, among other factors, to dysfunction of the most internal organs and systems affecting the absorption, metabolism and elimination of drugs and nutrients. Taurine is involved in numerous biological processes and is required in increased amounts in response to pathological conditions. The aim of this study was to describe the behaviour of taurine in well-nourished (WN) rats and to analyse the influence of protein-energy undernutrition on the pharmacokinetic (PK) parameters of taurine, using a PK model. Wistar rats were randomly distributed into two groups, WN and undernourished (UN), and taurine was administered intravenously or orally at different doses: 1, 10 and 100 mg. Population pharmacokinetic modelling of plasma levels was performed using the NONMEM 7.2 program. Several distribution and absorption models were explored in combination with dose and/or time covariate effects. Covariates such as nutritional status, serum albumin, body weight and score of undernutrition were used. A two-compartment population pharmacokinetic model with zero-order endogenous formation, passive absorption, first-order kinetics distribution and non-linear elimination with parallel Michaelis-Menten excretion and reabsorption processes best described taurine pharmacokinetics. Undernutrition acted as a covariate reducing the V max of the active elimination process. Data analysis showed linear absorption and distribution, and non-linear elimination processes for taurine. Elimination of taurine was reduced in UN animals, suggesting that the reabsorption process via the secretion transporter was modified in that group.
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3
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Nobis S, Achamrah N, Goichon A, L'Huillier C, Morin A, Guérin C, Chan P, do Rego JL, do Rego JC, Vaudry D, Déchelotte P, Belmonte L, Coëffier M. Colonic Mucosal Proteome Signature Reveals Reduced Energy Metabolism and Protein Synthesis but Activated Autophagy during Anorexia-Induced Malnutrition in Mice. Proteomics 2018; 18:e1700395. [PMID: 29938906 DOI: 10.1002/pmic.201700395] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2017] [Revised: 06/12/2018] [Indexed: 12/18/2022]
Abstract
Anorexia nervosa is an eating disorder often associated with intestinal disorders. To explore the underlying mechanisms of these disorders, the colonic proteome was evaluated during activity-based anorexia. Female C57Bl/6 mice were randomized into three groups: Control, Limited Food Access (LFA) and Activity-Based Anorexia (ABA). LFA and ABA mice had a progressive limited access to food but only ABA mice had access to an activity wheel. On colonic mucosal protein extracts, a 2D PAGE-based comparative proteomic analysis was then performed and differentially expressed proteins were identified by LC-ESI-MS/MS. Twenty-seven nonredundant proteins that were differentially expressed between Control, LFA, and ABA groups were identified. ABA mice exhibited alteration of several mitochondrial proteins involved in energy metabolism such as dihydrolipoyl dehydrogenase and 3-mercaptopyruvate sulfurtransferase. In addition, a downregulation of mammalian target of rapamycin (mTOR) pathway was observed leading, on the one hand, to the inhibition of protein synthesis, evaluated by puromycin incorporation and mediated by the increased phosphorylation of eukaryotic elongation factor 2, and on the other hand, to the activation of autophagy, assessed by the increase of the marker of autophagy, form LC3-phosphatidylethanolamine conjugate/Cytosolic form of Microtubule-associated protein 1A/1B light chain 3 (LC3II/LC3I) ratio. Colonic mucosal proteome is altered during ABA suggesting a downregulation of energy metabolism. A decrease of protein synthesis and an activation of autophagy were also observed mediated by mTOR pathway.
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Affiliation(s)
- Séverine Nobis
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Najate Achamrah
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Nutrition Department, Rouen University Hospital, 76000, Rouen, France
| | - Alexis Goichon
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Clément L'Huillier
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Aline Morin
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Charlène Guérin
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Philippe Chan
- Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Platform in proteomics PISSARO, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Jean Luc do Rego
- Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Animal Behaviour Platform SCAC, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Jean Claude do Rego
- Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Animal Behaviour Platform SCAC, UNIROUEN, Normandie University, 76000, Rouen, France
| | - David Vaudry
- Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Platform in proteomics PISSARO, UNIROUEN, Normandie University, 76000, Rouen, France.,INSERM Unit 1239, UNIROUEN, Normandie University, 76000, Rouen, France
| | - Pierre Déchelotte
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Nutrition Department, Rouen University Hospital, 76000, Rouen, France
| | - Liliana Belmonte
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Nutrition Department, Rouen University Hospital, 76000, Rouen, France
| | - Moïse Coëffier
- INSERM Unit 1073, UNIROUEN, Normandie University, 76000, Rouen, France.,Institute for Research and Innovation in Biomedicine, UNIROUEN, Normandie University, 76000, Rouen, France.,Nutrition Department, Rouen University Hospital, 76000, Rouen, France
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4
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Nobis S, Morin A, Achamrah N, Belmonte L, Legrand R, Chan P, do Rego JL, Vaudry D, Gourcerol G, Déchelotte P, Goichon A, Coëffier M. Delayed gastric emptying and altered antrum protein metabolism during activity-based anorexia. Neurogastroenterol Motil 2018; 30:e13305. [PMID: 29411462 DOI: 10.1111/nmo.13305] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/05/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Anorexia nervosa, a restrictive eating disorder, is often associated with gastrointestinal disorders, particularly a delayed gastric emptying. However, the mechanisms remained poorly documented. Thus, we aimed to evaluate gastric emptying and antrum protein metabolism in the Activity-Based Anorexia model (ABA). METHODS Females C57Bl/6 mice were randomized into 3 groups: Control, ABA, and Limited Food Access (LFA). Food access has been progressively limited from 6 h/day at day 6 to 3 h/day at day 9 and until day 17. ABA mice had free access to an activity wheel. Gastric emptying was assessed. On gastric extracts, a proteomic analysis was performed, as well as an evaluation of protein synthesis and protein oxidation. KEY RESULTS Both LFA and ABA mice exhibited a delayed gastric emptying compared with Controls (P < .05). Proteomic approach revealed 15 proteins that were differentially expressed. Among these proteins, we identified 2 clusters of interest contributing to (i) the organization of muscle fiber with ACTA2, VCL, KRT19, KRT8, and DES proteins and (ii) "heat shock proteins" with STIP1, HSPD1, and HSPA8 proteins. ABA mice specifically exhibited an increased rate of gastric oxidized proteins. CONCLUSIONS AND INFERENCES Delayed gastric emptying observed in anorectic conditions appears to be secondary to malnutrition. However, an oxidative stress is specifically present in the stomach of ABA mice. Its role remains to be further studied.
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Affiliation(s)
- S Nobis
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France
| | - A Morin
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France
| | - N Achamrah
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Nutrition Department, Rouen University Hospital, Rouen, France
| | - L Belmonte
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Nutrition Department, Rouen University Hospital, Rouen, France
| | - R Legrand
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France
| | - P Chan
- Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Platform in proteomics PISSARO, UNIROUEN, Normandie University, Rouen, France
| | - J-L do Rego
- Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Animal Behaviour Platform SCAC, UNIROUEN, Normandie University, Rouen, France
| | - D Vaudry
- Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Platform in proteomics PISSARO, UNIROUEN, Normandie University, Rouen, France.,INSERM Unit 1239, UNIROUEN, Normandie University, Rouen, France
| | - G Gourcerol
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Physiology Department, Rouen University Hospital, Rouen, France
| | - P Déchelotte
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Nutrition Department, Rouen University Hospital, Rouen, France
| | - A Goichon
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France
| | - M Coëffier
- INSERM Unit 1073, UNIROUEN, Normandie University, Rouen, France.,Institute for Research and Innovation in Biomedicine (IRIB), UNIROUEN, Normandie University, Rouen, France.,Nutrition Department, Rouen University Hospital, Rouen, France
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5
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Yamamoto K, Iwagaki Y, Watanabe K, Nochi T, Aso H, Tsuduki T. Effects of a moderate-fat diet that is enriched with fish oil on intestinal lipid absorption in a senescence-accelerated prone mouse model. Nutrition 2018; 50:26-35. [DOI: 10.1016/j.nut.2017.10.015] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 10/10/2017] [Accepted: 10/29/2017] [Indexed: 12/13/2022]
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6
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Schörghuber M, Fruhwald S. Effects of enteral nutrition on gastrointestinal function in patients who are critically ill. Lancet Gastroenterol Hepatol 2018. [DOI: 10.1016/s2468-1253(18)30036-0] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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7
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Miousse IR, Pathak R, Garg S, Skinner CM, Melnyk S, Pavliv O, Hendrickson H, Landes RD, Lumen A, Tackett AJ, Deutz NE, Hauer-Jensen M, Koturbash I. Short-term dietary methionine supplementation affects one-carbon metabolism and DNA methylation in the mouse gut and leads to altered microbiome profiles, barrier function, gene expression and histomorphology. GENES & NUTRITION 2017; 12:22. [PMID: 28904640 PMCID: PMC5588631 DOI: 10.1186/s12263-017-0576-0] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 08/28/2017] [Indexed: 12/24/2022]
Abstract
BACKGROUND Methionine, a central molecule in one-carbon metabolism, is an essential amino acid required for normal growth and development. Despite its importance to biological systems, methionine is toxic when administered at supra-physiological levels. The aim of this study was to investigate the effects of short-term methionine dietary modulation on the proximal jejunum, the section of the gut specifically responsible for amino acid absorption, in a mouse model. Eight-week-old CBA/J male mice were fed methionine-adequate (MAD; 6.5 g/kg) or methionine-supplemented (MSD; 19.5 g/kg) diets for 3.5 or 6 days (average food intake 100 g/kg body weight). The study design was developed in order to address the short-term effects of the methionine supplementation that corresponds to methionine dietary intake in Western populations. Biochemical indices in the blood as well as metabolic, epigenetic, transcriptomic, metagenomic, and histomorphological parameters in the gut were evaluated. RESULTS By day 6, feeding mice with MSD (protein intake <10% different from MAD) resulted in increased plasma (2.3-fold; p < 0.054), but decreased proximal jejunum methionine concentrations (2.2-fold; p < 0.05) independently of the expression of neutral amino acid transporters. MSD has also caused small bowel bacteria colonization, increased the abundance of pathogenic bacterial species Burkholderiales and decreased the gene expression of the intestinal transmembrane proteins-Cldn8 (0.18-fold, p < 0.05), Cldn9 (0.24-fold, p < 0.01) and Cldn10 (0.05-fold, p < 0.05). Feeding MSD led to substantial histomorphological alterations in the proximal jejunum exhibited as a trend towards decreased plasma citrulline concentrations (1.8-fold, p < 0.07), as well as loss of crypt depth (by 28%, p < 0.05) and mucosal surface (by 20%, p < 0.001). CONCLUSIONS Together, these changes indicate that short-term feeding of MSD substantially alters the normal gut physiology. These effects may contribute to the pathogenesis of intestinal inflammatory diseases and/or sensitize the gut to exposure to other stressors.
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Affiliation(s)
- Isabelle R. Miousse
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, 4301 W. Markham Str., Slot 820-11, Little Rock, AR 72205-7199 USA
| | - Rupak Pathak
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Sarita Garg
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Charles M. Skinner
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, 4301 W. Markham Str., Slot 820-11, Little Rock, AR 72205-7199 USA
| | - Stepan Melnyk
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Oleksandra Pavliv
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Howard Hendrickson
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Reid D. Landes
- Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Annie Lumen
- Division of Biochemical Toxicology, National Center for Toxicological Research, U.S. Food and Drug Administration, Jefferson, AR USA
| | - Alan J. Tackett
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
- Department of Biochemistry, University of Arkansas for Medical Sciences, Little Rock, AR USA
| | - Nicolaas E.P. Deutz
- Department of Health and Kinesiology, Center for Translational Research on Aging and Longevity, Texas A&M University, College Station, TX USA
| | - Martin Hauer-Jensen
- Department of Pharmaceutical Sciences, University of Arkansas for Medical Sciences, Little Rock, AR 72205 USA
| | - Igor Koturbash
- Department of Environmental and Occupational Health, University of Arkansas for Medical Sciences, 4301 W. Markham Str., Slot 820-11, Little Rock, AR 72205-7199 USA
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Achamrah N, Nobis S, Breton J, Jésus P, Belmonte L, Maurer B, Legrand R, Bôle-Feysot C, Rego JLD, Goichon A, Rego JCD, Déchelotte P, Fetissov SO, Claeyssens S, Coëffier M. Maintaining physical activity during refeeding improves body composition, intestinal hyperpermeability and behavior in anorectic mice. Sci Rep 2016; 6:21887. [PMID: 26906060 PMCID: PMC4764812 DOI: 10.1038/srep21887] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 02/03/2016] [Indexed: 12/18/2022] Open
Abstract
A role of gut-brain axis emerges in the pathophysiology of anorexia nervosa and maintaining adapted physical activity during refeeding remains discussed. We aimed to assess gastrointestinal protein metabolism and investigate the contribution of physical activity during refeeding in C57BL/6 mice with activity-based anorexia (ABA). ABA mice exhibited lower body weight and food intake with increase of lean mass/fat mass ratio and fat oxidation. Colonic permeability was increased in ABA. Ad libitum food access was then restored and ABA group was divided into two subgroups, with access to running wheel (ABA-PA) or not (ABA-NPA). After refeeding, fat free mass was completely restored only in ABA-PA. Colonic permeability was enhanced in ABA-NPA. Finally, muscle kynurenine conversion into kynurenic acid was lower in ABA-NPA who also exhibited altered behavior. Maintaining physical activity during refeeding may thus limit colonic hyperpermeability and improve behavior in anorectic mice.
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Affiliation(s)
- Najate Achamrah
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Rouen University Hospital, Nutrition unit, Rouen, France
| | - Séverine Nobis
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Jonathan Breton
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Pierre Jésus
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Liliana Belmonte
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Rouen University Hospital, Nutrition unit, Rouen, France
| | - Brigitte Maurer
- Rouen University Hospital, Laboratory of Medical Biochemistry, Rouen, France
| | - Romain Legrand
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Christine Bôle-Feysot
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Jean Luc do Rego
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Animal Behavior Platform SCAC, University of Rouen, France
| | - Alexis Goichon
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Jean Claude do Rego
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Animal Behavior Platform SCAC, University of Rouen, France
| | - Pierre Déchelotte
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Rouen University Hospital, Nutrition unit, Rouen, France
| | - Sergueï O Fetissov
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
| | - Sophie Claeyssens
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Rouen University Hospital, Laboratory of Medical Biochemistry, Rouen, France
| | - Moïse Coëffier
- Normandie Univ, INSERM Unit 1073, UR, France
- Institute for Research and Innovation in Biomedicine (IRIB), University of Rouen, France
- Rouen University Hospital, Nutrition unit, Rouen, France
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9
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Yamamoto K, E S, Hatakeyama Y, Sakamoto Y, Tsuduki T. High-fat diet intake from senescence inhibits the attenuation of cell functions and the degeneration of villi with aging in the small intestine, and inhibits the attenuation of lipid absorption ability in SAMP8 mice. J Clin Biochem Nutr 2015; 57:204-11. [PMID: 26566305 PMCID: PMC4639591 DOI: 10.3164/jcbn.15-60] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 05/25/2015] [Indexed: 12/12/2022] Open
Abstract
We examined the effect of a high-fat diet from senescence as a means of preventing malnutrition among the elderly. The senescence-accelerated mouse P8 was used and divided into three groups. The 6C group was given a normal diet until 6 months old. The 12N group was given a normal diet until 12 months old. The 12F group was given a normal diet until 6 months old and then a high-fat diet until 12 months old. In the oral fat tolerance test, there was a decrease in area under the curve for serum triacylglycerol level in the 12N group and a significant increase in the 12F group, suggesting that the attenuation of lipid absorption ability with aging was delayed by a high-fat diet from senescence. To examine this mechanism, histological analysis in the small intestine was performed. As a result, the degeneration of villi with aging was inhibited by the high-fat diet. There was also a significant decrease in length of villus in the small intestine in the 12N group and a significant increase in the 12F group. The high-fat diet from senescence inhibited the degeneration of villi with aging in the small intestine, and inhibited the attenuation of lipid absorption ability.
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Affiliation(s)
- Kazushi Yamamoto
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Aoba-ku, Sendai 981-8555, Japan
| | - Shuang E
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Aoba-ku, Sendai 981-8555, Japan
| | - Yu Hatakeyama
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Aoba-ku, Sendai 981-8555, Japan
| | - Yu Sakamoto
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Aoba-ku, Sendai 981-8555, Japan
| | - Tsuyoshi Tsuduki
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Aoba-ku, Sendai 981-8555, Japan
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10
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Decreased lipid absorption due to reduced pancreatic lipase activity in aging male mice. Biogerontology 2014; 15:463-73. [PMID: 25033985 DOI: 10.1007/s10522-014-9512-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 06/23/2014] [Indexed: 12/23/2022]
Abstract
Malnutrition due to aging is partly caused by decreased absorption of nutrients by the gastrointestinal tract. However, the underlying mechanism is unclear and changes in lipid absorption with aging are poorly understood. In this study, changes in lipid absorption with aging were examined in mice aged 3 and 25 months. After overnight fasting, blood samples were collected from snipped tails and then soybean oil was administered orally. Three hours later, mice were sacrificed by decapitation and the liver, pancreas, small intestine and blood were collected. The increase in serum triacylglycerol after soybean oil administration was significantly lower in the older mice, indicating a decrease in lipid absorption with aging. Measurement of mRNA levels for triacylglycerol absorption-related genes showed that mRNA for pancreatic lipase tended to decrease in 25-month-old mice. There was no significant difference in the protein level of pancreatic lipase, but the enzyme activity showed a significant decrease in the older mice. To examine this mechanism, expression levels of mRNA for protein turnover-related genes in the pancreas were measured. The level of a proteasomal mRNA showed a significant decrease in 25-month-old mice. This suggests that the ability to degrade unfolded protein decreases in the aging pancreas, and that this leads to reduction of pancreatic lipase activity and a decrease in lipid absorption.
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Martínez-Olmos MA, Peinó R, Prieto-Tenreiro A, Lage M, Nieto L, Lord T, Molina-Pérez E, Domínguez-Muñoz JE, Casanueva FF. Intestinal Absorption and Pancreatic Function are Preserved in Anorexia Nervosa Patients in Both a Severely Malnourished State and After Recovery. EUROPEAN EATING DISORDERS REVIEW 2013; 21:247-51. [DOI: 10.1002/erv.2223] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | | | - Alma Prieto-Tenreiro
- Endocrinology and Nutrition Division; Complejo Hospitalario Universitario de Santiago and Santiago de Compostela University; Spain
| | | | - Laura Nieto
- Gastroenterology Division; Complejo Hospitalario Universitario de Santiago and Santiago de Compostela University; Spain
| | - Teresa Lord
- Endocrinology and Nutrition Division; Complejo Hospitalario Universitario de Santiago and Santiago de Compostela University; Spain
| | - Esther Molina-Pérez
- Gastroenterology Division; Complejo Hospitalario Universitario de Santiago and Santiago de Compostela University; Spain
| | - Juan Enrique Domínguez-Muñoz
- Gastroenterology Division; Complejo Hospitalario Universitario de Santiago and Santiago de Compostela University; Spain
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Coëffier M, Claeyssens S, Bôle-Feysot C, Guérin C, Maurer B, Lecleire S, Lavoinne A, Donnadieu N, Cailleux AF, Déchelotte P. Enteral delivery of proteins stimulates protein synthesis in human duodenal mucosa in the fed state through a mammalian target of rapamycin-independent pathway. Am J Clin Nutr 2013; 97:286-94. [PMID: 23283505 DOI: 10.3945/ajcn.112.046946] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Glutamine modulates duodenal protein metabolism in fasted healthy humans, but its effects in a fed state remain unknown. OBJECTIVE We aimed to assess the effects of either glutamine or an isonitrogenous protein mixture on duodenal protein metabolism in humans in the fed state. DESIGN Twenty-four healthy volunteers were randomly included in 2 groups. Each volunteer was studied on 2 occasions in a random order and received, during 5 h, either an enteral infusion of maltodextrins alone (0.25 g · kg⁻¹ · h⁻¹; both groups) that mimicked a carbohydrate fed state or maltodextrins with glutamine (group 1) or an isonitrogenous (22.4 mg N · kg⁻¹ · h⁻¹) protein powder (group 2). Simultaneously, a continuous intravenous infusion of ¹³C-leucine and ²H₅-phenylalanine (both 9 μmol · kg⁻¹ · h⁻¹) was performed. Endoscopic duodenal biopsies were taken. Leucine and phenylalanine enrichments were assessed by using gas chromatography-mass spectrometry in duodenal proteins and the intracellular free amino acids pool to calculate the mucosal fractional synthesis rate (FSR). Proteasome proteolytic activities and phosphokinase expression were assessed by using specific fluorogenic substrates and macroarrays, respectively. RESULTS The FSR and proteasome activity were not different after the glutamine supply compared with after maltodextrins alone. In contrast, the FSR increased (1.7-fold increase; P < 0.05) after protein-powder delivery without modification of total proteasome activity. The protein powder increased insulinemia, PI3 kinase, and erk phosphorylation but did not affect the mammalian target of rapamycin (mTOR) pathway and mitogen-activated protein kinase signal-integrating kinase 1 phosphorylation. A trend for an increase of eukaryotic translation initiation factor 4E phosphorylation was observed (P = 0.07). CONCLUSION In the carbohydrate fed state, enteral proteins but not glutamine increased duodenal protein synthesis through an mTOR independent pathway in humans.
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Affiliation(s)
- Moïse Coëffier
- Institut National de la Santé et de la Recherche Médicale (INSERM) Unit 1073, Rouen University Hospital, Rouen, France
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Gentile MG. Enteral nutrition for feeding severely underfed patients with anorexia nervosa. Nutrients 2012; 4:1293-303. [PMID: 23112917 PMCID: PMC3475239 DOI: 10.3390/nu4091293] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2012] [Revised: 08/31/2012] [Accepted: 09/04/2012] [Indexed: 11/17/2022] Open
Abstract
Severe undernutrition nearly always leads to marked changes in body spaces (e.g., alterations of intra-extracellular water) and in body masses and composition (e.g., overall and compartmental stores of phosphate, potassium, and magnesium). In patients with severe undernutrition it is almost always necessary to use oral nutrition support and/or artificial nutrition, besides ordinary food; enteral nutrition should be a preferred route of feeding if there is a functional accessible gastrointestinal tract. Refeeding of severely malnourished patients represents two very complex and conflicting tasks: (1) to avoid "refeeding syndrome" caused by a too fast correction of malnutrition; (2) to avoid "underfeeding" caused by a too cautious rate of refeeding. The aim of this paper is to discuss the modality of refeeding severely underfed patients and to present our experience with the use of enteral tube feeding for gradual correction of very severe undernutrition whilst avoiding refeeding syndrome, in 10 patients aged 22 ± 11.4 years and with mean initial body mass index (BMI) of 11.2 ± 0.7 kg/m(2). The mean BMI increased from 11.2 ± 0.7 kg/m(2) to 17.3 ± 1.6 kg/m(2) and the mean body weight from 27.9 ± 3.3 to 43.0 ± 5.7 kg after 90 days of intensive in-patient treatment (p < 0.0001). Caloric intake levels were established after measuring resting energy expenditure by indirect calorimetry, and nutritional support was performed with enteral feeding. Vitamins, phosphate, and potassium supplements were administered during refeeding. All patients achieved a significant modification of BMI; none developed refeeding syndrome. In conclusion, our findings show that, even in cases of extreme undernutrition, enteral feeding may be a well-tolerated way of feeding.
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Regulation of intestinal protein metabolism by amino acids. Amino Acids 2012; 45:443-50. [DOI: 10.1007/s00726-012-1325-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Accepted: 05/15/2012] [Indexed: 12/24/2022]
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Tennoune N, Bertrand J, Goichon A, Déchelotte P, Coëffier M. Régulation du métabolisme protéique intestinal par les nutriments. NUTR CLIN METAB 2011. [DOI: 10.1016/j.nupar.2011.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Coëffier M, Claeyssens S, Bensifi M, Lecleire S, Boukhettala N, Maurer B, Donnadieu N, Lavoinne A, Cailleux AF, Déchelotte P. Influence of leucine on protein metabolism, phosphokinase expression, and cell proliferation in human duodenum1,3. Am J Clin Nutr 2011; 93:1255-62. [PMID: 21508089 DOI: 10.3945/ajcn.111.013649] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Although leucine increases protein anabolism through the mammalian target of rapamycin (mTOR) pathway in human muscles, its effects on intestinal mucosal proteins remain unknown. OBJECTIVE We aimed to assess the effects of leucine on duodenal protein metabolism in healthy humans and to elucidate the signaling pathways involved. DESIGN Eleven healthy volunteers received for 5 h, on 2 occasions and in random order, an enteral supply of maltodextrins (0.25 g . kg(-1) . h(-1)) or maltodextrins and leucine (0.035 g . kg(-1) . h(-1)) simultaneously with a continuous intravenous infusion of [(2)H(5)]phenylalanine (9 μmol . kg(-1) .h(-1)). Endoscopic duodenal biopsy samples were collected and frozen until analyzed. Phenylalanine enrichment was assessed by gas chromatography-mass spectrometry in duodenal protein and in free intracellular amino acid pools used as precursor to calculate the mucosal fractional synthesis rate (FSR). Proteasome proteolytic activities and phosphokinase expression were assessed by using specific fluorogenic substrates or macroarrays, respectively. RESULTS Leucine supplementation slightly reduced FSR (mean ± SEM: 81.3 ± 6.3%/d) compared with maltodextrins alone (91.7 ± 8.5%/d; P = 0.0537). In addition, total proteasome activity decreased significantly with leucine (236 ± 21 compared with 400 ± 58 relative fluorescence units/μg protein; P < 0.05), with no modification of chymotrypsin-like, trypsin-like, caspase-like, or peptidase activities. Leucine did not affect the mTOR pathway but did increase the phosphorylation states of PI3K, Akt, AMPK, p38 MAPK, JNK, GSK-3α/β, STAT3, and STAT5 and increased cyclin D1 mRNA concentrations, which suggested that leucine may enhance cell proliferation. CONCLUSION Enteral leucine supplementation decreased proteasome activity in duodenal mucosa and enhanced cell proliferation through the PI3K/Akt/GSK-3α/β-catenin pathway. This trial was registered at clinicaltrials.gov as NCT01254110.
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Affiliation(s)
- Moïse Coëffier
- ADEN EA4311, Institute for Biomedical Research, Rouen University, Rouen, France, Rouen University Hospital, Rouen, France.
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Boukhettala N, Claeyssens S, Bensifi M, Maurer B, Abed J, Lavoinne A, Déchelotte P, Coëffier M. Effects of essential amino acids or glutamine deprivation on intestinal permeability and protein synthesis in HCT-8 cells: involvement of GCN2 and mTOR pathways. Amino Acids 2010; 42:375-83. [DOI: 10.1007/s00726-010-0814-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Accepted: 11/16/2010] [Indexed: 01/03/2023]
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Carlsson M, Gustafson Y, Haglin L, Eriksson S. The feasibility of serving liquid yoghurt supplemented with probiotic bacteria, Lactobacillus rhamnosus LB 21, and Lactococcus lactis L1A--a pilot study among old people with dementia in a residential care facility. J Nutr Health Aging 2009; 13:813-9. [PMID: 19812872 DOI: 10.1007/s12603-009-0218-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
BACKGROUND Constipation and body weight loss are prevalent among old people. Treatment with different species of lactic acid bacteria has been suggested for various forms of gastrointestinal disorders. OBJECTIVE, PARTICIPANTS AND INTERVENTION: This pilot study was performed to assess the feasibility of administering and consuming a drinkable yoghurt containing Lactobacillus rhamnosus LB 21 and Lactococcus L1A, and to evaluate the influence on bowel movements and body weight in 15 people with dementia, aged 65-95 years in residential care facility. DESIGN A drinkable yoghurt (Verum Drickyoghurt) with added bacteria was served daily for 6 months in conjunction with ordinary food intake. Body weight, bowel movement frequency and consistency, food and fluid intake and time spent in various activities were recorded for two weeks pre-intervention, and 3 times during the follow-up period. RESULT This study showed that the yoghurt was easy to serve, with few side effects for the participants and that the various recording forms and diaries were easy for the staff to complete. The extra intake of yoghurt did not have any detectable beneficial effect on bowel movements. The overnight fast was almost 15 hours per day. Body weight decreased by 0.65 kg/month (95% confidence interval. 0.27-0.97). CONCLUSIONS The present study design was feasible in this group of old people with dementia. The absence of any detectable effect of the supplement on constipation, but rather a considerable loss in body weight, indicate that further research is needed in a large randomised controlled trial, if associations between dementia, constipation and energy balance are to be understood.
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Affiliation(s)
- M Carlsson
- Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umeå University, SE-901 86 Umeå, Sweden.
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Abstract
PURPOSE OF REVIEW Enteral nutrition is a widely used therapy for nutritional treatment of patients with multiple pathologies. The present review selects important evidenced-based papers from 2006 and 2007 and critically reviews them for the reader. RECENT FINDINGS Use of synbiotics and probiotics is gaining acceptance. Supplements such as glutamine may be important for wound healing. Enteral feeding in malnourished patients may result in rapid growth of gut mucosal protein. Antibiotics are important for reduction of postpercutaneous endoscopic gastrostomy infections. Early enteral nutrition in burn patients blunts the hypermetabolic response. Polymeric enteral formulations in vitro have a direct anti-inflammatory effect on enterocytes. Enteral nutrition, however, does not appear better than steroid use for induction of remission in Crohn's disease. Long-term (12-week) infusion of immune-enhancing enteral formulas in a nonsurgical patient group is well tolerated and safe. Finally, large reviews of enteral nutrition and their efficacy for specific disease states continue to demonstrate the difficulty in interpreting multiple small clinical studies. SUMMARY Enteral nutrition continues as a highly used medical therapy, usually as an adjuvant for other pharmacologic and supportive therapies. Multiple small clinical trials, observational studies and retrospective reviews must be analyzed to develop 'best practice' guidelines with enteral nutrition.
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