1
|
Grzywacz K, Butcher J, Romain G, Li J, Stintzi A. The impact of probiotics and lactoferrin supplementation on piglet gastrointestinal microbial communities. Biometals 2019; 32:533-543. [PMID: 31041632 DOI: 10.1007/s10534-019-00195-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 04/09/2019] [Indexed: 11/26/2022]
Abstract
Probiotics and lactoferrin are currently being used in neonatal intensive care units in the hopes of reducing rates of sepsis and necrotizing enterocolitis (NEC). While studies have shown that these measures can be clinically beneficial to premature babies, and there are ongoing trials to measure their impact on NEC and sepsis rates, little is known about how they may impact microbiota development. We thus employed a newborn piglet model to assess the impact of feeding probiotics or a combination of probiotics and lactoferrin on development of the gastrointestinal microbiota. Healthy full-term piglets were fed either probiotics alone or probiotics and a bovine lactoferrin supplement over the first weeks of life, and their microbiota profiles were compared with unsupplemented controls. We found that both probiotic and probiotic plus lactoferrin treatments impacted the microbial composition within the gastrointestinal tract, with differing impacts on various regions within the gut. In addition, the impact of probiotics was often reversed by the presence of lactoferrin and both feeding interventions altered the microbiota's genetic propensity to use ferric versus ferrous ions. These results suggest that iron availability may be a key factor to consider when designing feeding interventions that target the microbiome.
Collapse
Affiliation(s)
- Kelly Grzywacz
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
- Department of Pediatric Gastroenterology, Hepatology and Nutrition, CHU Sainte Justine, Montreal, QC, Canada
| | - James Butcher
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Guillaume Romain
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Jennifer Li
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada
| | - Alain Stintzi
- Ottawa Institute of Systems Biology, Department of Biochemistry, Microbiology and Immunology, University of Ottawa, 451 Smyth Road, Ottawa, ON, K1H 8M5, Canada.
| |
Collapse
|
2
|
Alla A, Mounier M, Romain G, Remontet L, Bossard N, Maynadié M, Boussari O, Colonna M, Jooste V. Impact de l’âge et de l’année sur les indicateurs de survie nette et de guérison par sous-type de leucémie aiguë myéloïde en France entre 1989 et 2010. Rev Epidemiol Sante Publique 2019. [DOI: 10.1016/j.respe.2018.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
|
3
|
Colonna M, Boussari O, Cowppli-Bony A, Delafosse P, Romain G, Grosclaude P, Jooste V. Erratum to "Time trends and short term projections of cancer prevalence in France" [Cancer Epidemiol. 56 (2018) 97-105]. Cancer Epidemiol 2018; 57:158-159. [PMID: 30293874 DOI: 10.1016/j.canep.2018.10.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- M Colonna
- Isere Cancer Registry, CHU Grenoble-Alpes, F-38043, Grenoble, France; FRANCIM Network, F-31073, Toulouse, France.
| | - O Boussari
- Digestive Cancer Registry of Burgundy, INSERM UMR 1231, University Hospital of Dijon, University of Burgundy, F-21079, Dijon, France
| | - A Cowppli-Bony
- FRANCIM Network, F-31073, Toulouse, France; Loire-Atlantique Vendée Cancer Registry, F-44093, Nantes, France
| | - P Delafosse
- Isere Cancer Registry, CHU Grenoble-Alpes, F-38043, Grenoble, France; FRANCIM Network, F-31073, Toulouse, France
| | - G Romain
- Digestive Cancer Registry of Burgundy, INSERM UMR 1231, University Hospital of Dijon, University of Burgundy, F-21079, Dijon, France
| | - P Grosclaude
- FRANCIM Network, F-31073, Toulouse, France; Tarn Cancer Registry, Claudius Regaud Institute, IUCT-O, F-31059, Toulouse, France
| | - V Jooste
- FRANCIM Network, F-31073, Toulouse, France; Digestive Cancer Registry of Burgundy, INSERM UMR 1231, University Hospital of Dijon, University of Burgundy, F-21079, Dijon, France
| | | |
Collapse
|
4
|
Butcher J, Unger S, Li J, Bando N, Romain G, Francis J, Mottawea W, Mack D, Stintzi A, O'Connor DL. Independent of Birth Mode or Gestational Age, Very-Low-Birth-Weight Infants Fed Their Mothers' Milk Rapidly Develop Personalized Microbiotas Low in Bifidobacterium. J Nutr 2018; 148:326-335. [PMID: 29546315 DOI: 10.1093/jn/nxx071] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Accepted: 12/18/2017] [Indexed: 01/15/2023] Open
Abstract
Background Very-low-birth-weight (VLBW; born weighing <1500 g) infant feeding with mother's own milk (mother's milk) is associated with numerous beneficial health outcomes. Several interventions, including the prophylactic use of probiotics, are being adopted to promote a gastrointestinal microbiota favorable to the gut health of VLBW infants. An improved understanding of the microbiota that results from mother's milk feeding would therefore facilitate progress in this field. Objective A preplanned primary objective of this research was to characterize the development of the gut microbiota in exclusively mother's milk-fed VLBW infants and describe the reference taxonomic profile that results from mother's milk feeding. Methods In this prospective longitudinal cohort study, we collected weekly stool samples from exclusively mother's milk-fed VLBW infants admitted to Mount Sinai Hospital and profiled their gastrointestinal microbiota development from birth (primary outcome of stool collection). In total, we profiled 231 stools from 54 exclusively mother's milk-fed VLBW infants with the use of V6-16S ribosomal RNA gene sequencing. Results Bacterial evenness, but not bacterial richness, increased over time in VLBW infants (P < 0.001). Bifidobacterium relative abundances were consistently low in all microbiotas at all time points (<0.5% in 97% of samples). VLBW infant microbiotas did not cluster by birth mode, gestational age, or weeks after birth and instead clustered as a function of patient identity (R2 = 0.51, P < 0.001). Conclusions Exclusively mother's milk-fed VLBW infants rapidly develop personalized gut microbiotas that show increasing evenness and are seemingly unaffected by birth mode or gestational age at birth. The benefits from mother's milk feeding are likely modulated through microbes or pathways that are not dependent on Bifidobacterium because these microbes are present at low levels in VLBW infants. These results help define a reference VLBW infant microbiota profile derived from mother's milk, the optimal source of nutrition for these infants. This trial was registered at ISRCTN (http://www.isrctn.com/) as ISRCTN35317141.
Collapse
Affiliation(s)
- James Butcher
- Ottawa Institute of Systems Biology, Department of Biochemistry Immunology and Microbiology, University of Ottawa, Ottawa, Ontario, Canada
| | - Sharon Unger
- Departments of Pediatrics and Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Jennifer Li
- Ottawa Institute of Systems Biology, Department of Biochemistry Immunology and Microbiology, University of Ottawa, Ottawa, Ontario, Canada
| | - Nicole Bando
- Departments of Translational Medicine Program, The Hospital for Sick Children, Toronto, Ontario, Canada
| | - Guillaume Romain
- Ottawa Institute of Systems Biology, Department of Biochemistry Immunology and Microbiology, University of Ottawa, Ottawa, Ontario, Canada
| | - Jane Francis
- Departments of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| | - Walid Mottawea
- Ottawa Institute of Systems Biology, Department of Biochemistry Immunology and Microbiology, University of Ottawa, Ottawa, Ontario, Canada
| | - David Mack
- Children's Hospital of Eastern Ontario (CHEO) Research Institute, Department of Pediatrics, CHEO, and Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada
| | - Alain Stintzi
- Ottawa Institute of Systems Biology, Department of Biochemistry Immunology and Microbiology, University of Ottawa, Ottawa, Ontario, Canada
| | - Deborah L O'Connor
- Departments of Pediatrics and Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada
| |
Collapse
|
5
|
Romain G, Tremblay S, Arena ET, Antunes LCM, Covey S, Chow MT, Finlay BB, Menendez A. Enterohepatic bacterial infections dysregulate the FGF15-FGFR4 endocrine axis. BMC Microbiol 2013; 13:238. [PMID: 24165751 PMCID: PMC3818973 DOI: 10.1186/1471-2180-13-238] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2013] [Accepted: 10/26/2013] [Indexed: 11/17/2022] Open
Abstract
Background Enterohepatic bacterial infections have the potential to affect multiple physiological processes of the body. Fibroblast growth factor 15/19 (FGF15 in mice, FGF19 in humans) is a hormone that functions as a central regulator of glucose, lipid and bile acid metabolism. FGF15/19 is produced in the intestine and exert its actions on the liver by signaling through the FGFR4-βKlotho receptor complex. Here, we examined the in vivo effects of enterohepatic bacterial infection over the FGF15 endocrine axis. Results Infection triggered significant reductions in the intestinal expression of Fgf15 and its hepatic receptor components (Fgfr4 and Klb (βKlotho)). Infection also resulted in alterations of the expression pattern of genes involved in hepatobiliary function, marked reduction in gallbladder bile volumes and accumulation of hepatic cholesterol and triglycerides. The decrease in ileal Fgf15 expression was associated with liver bacterial colonization and hepatobiliary pathophysiology rather than with direct intestinal bacterial pathogenesis. Conclusions Bacterial pathogens of the enterohepatic system can disturb the homeostasis of the FGF15/19-FGFR4 endocrine axis. These results open up a possible link between FGF15/19-FGFR4 disruptions and the metabolic and nutritional disorders observed in infectious diseases.
Collapse
Affiliation(s)
| | | | | | | | | | | | | | - Alfredo Menendez
- Department of Microbiology and Infectious Diseases, Faculty of Medicine and Health Sciences, University of Sherbrooke, Cancer Research Pavilion, Rm Z8-1072, 3201, rue Jean-Mignault, Sherbrooke, Québec J1E 4K8, Canada.
| |
Collapse
|
6
|
Romain G, Van Gulck E, Zurawski G, Banchereau J, Vanham G, Le Grand R, Martinon F. P18-08. Characterization of CD34+ derived dendritic cells generated in vitro and transfected with HIV gene as potential therapeutic vaccine in macaque. Retrovirology 2009. [PMCID: PMC2767823 DOI: 10.1186/1742-4690-6-s3-p317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
|
7
|
Douyon R, Guzman P, Romain G, Ireland SJ, Mendoza L, Lopez-Blanco M, Milanes F. Subtle neurological deficits and psychopathological findings in substance-abusing homeless and non-homeless veterans. J Neuropsychiatry Clin Neurosci 1998; 10:210-5. [PMID: 9608411 DOI: 10.1176/jnp.10.2.210] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This study evaluated the hypothesis that homeless individuals would display higher levels of neurological deficits than non-homeless individuals, particularly in frontal lobe or executive functions. Eighteen acutely homeless, 15 chronically homeless, and 20 non-homeless individuals admitted to an inpatient psychiatric service received a battery of neurological and psychosocial measures. In comparison to non-homeless subjects with comparable levels of psychopathology, homeless individuals showed higher levels of hostility, prior criminal activity, and family history of psychiatric illness, but lower levels of depression. A positive relationship between hostility and neurological soft signs was observed among chronically homeless subjects. These results suggest that a substantial subset of nonpsychotic homeless veterans suffers from "occult" neurological deficits.
Collapse
Affiliation(s)
- R Douyon
- Miami Veterans Affairs Medical Center, Florida, USA
| | | | | | | | | | | | | |
Collapse
|