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Weninger SN, Herman C, Meyer RK, Beauchemin ET, Kangath A, Lane AI, Martinez TM, Hasneen T, Jaramillo SA, Lindsey J, Vedantam G, Cai H, Cope EK, Caporaso JG, Duca FA. Oligofructose improves small intestinal lipid-sensing mechanisms via alterations to the small intestinal microbiota. MICROBIOME 2023; 11:169. [PMID: 37533066 PMCID: PMC10394784 DOI: 10.1186/s40168-023-01590-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 06/02/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Upper small intestinal dietary lipids activate a gut-brain axis regulating energy homeostasis. The prebiotic, oligofructose (OFS) improves body weight and adiposity during metabolic dysregulation but the exact mechanisms remain unknown. This study examines whether alterations to the small intestinal microbiota following OFS treatment improve small intestinal lipid-sensing to regulate food intake in high fat (HF)-fed rats. RESULTS In rats fed a HF diet for 4 weeks, OFS supplementation decreased food intake and meal size within 2 days, and reduced body weight and adiposity after 6 weeks. Acute (3 day) OFS treatment restored small intestinal lipid-induced satiation during HF-feeding, and was associated with increased small intestinal CD36 expression, portal GLP-1 levels and hindbrain neuronal activation following a small intestinal lipid infusion. Transplant of the small intestinal microbiota from acute OFS treated donors into HF-fed rats also restored lipid-sensing mechanisms to lower food intake. 16S rRNA gene sequencing revealed that both long and short-term OFS altered the small intestinal microbiota, increasing Bifidobacterium relative abundance. Small intestinal administration of Bifidobacterium pseudolongum to HF-fed rats improved small intestinal lipid-sensing to decrease food intake. CONCLUSION OFS supplementation rapidly modulates the small intestinal gut microbiota, which mediates improvements in small intestinal lipid sensing mechanisms that control food intake to improve energy homeostasis. Video Abstract.
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Affiliation(s)
| | - Chloe Herman
- Center for Applied Microbiome Science, Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
| | - Rachel K Meyer
- Department of Nutritional Sciences, University of Arizona, Tucson, USA
| | - Eve T Beauchemin
- School of Animal and Comparative Biomedical Sciences, College of Agricultural and Life Sciences, University of Arizona, Tucson, USA
- Faculty of Medicine, Department of Microbiology & Immunology, McGill University, Montreal, QC, Canada
| | - Archana Kangath
- School of Animal and Comparative Biomedical Sciences, College of Agricultural and Life Sciences, University of Arizona, Tucson, USA
| | - Adelina I Lane
- Department of Physiology, University of Arizona, Tucson, USA
| | | | - Tahia Hasneen
- Department of Neuroscience, University of Arizona, Tucson, AZ, USA
| | - Sierra A Jaramillo
- Center for Applied Microbiome Science, Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
| | - Jason Lindsey
- School of Animal and Comparative Biomedical Sciences, College of Agricultural and Life Sciences, University of Arizona, Tucson, USA
| | - Gayatri Vedantam
- School of Animal and Comparative Biomedical Sciences, College of Agricultural and Life Sciences, University of Arizona, Tucson, USA
- Department of Immunobiology, University of Arizona, Tucson, AZ, USA
- BIO5 Institute for Collaborative Research, University of Arizona, Tucson, USA
| | - Haijiang Cai
- Department of Neuroscience, University of Arizona, Tucson, AZ, USA
- BIO5 Institute for Collaborative Research, University of Arizona, Tucson, USA
| | - Emily K Cope
- Center for Applied Microbiome Science, Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - J Gregory Caporaso
- Center for Applied Microbiome Science, Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, AZ, USA
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Frank A Duca
- School of Animal and Comparative Biomedical Sciences, College of Agricultural and Life Sciences, University of Arizona, Tucson, USA.
- BIO5 Institute for Collaborative Research, University of Arizona, Tucson, USA.
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Marousez L, Tran LC, Micours E, Antoine M, Gottrand F, Lesage J, Ley D. Prebiotic Supplementation during Lactation Affects Microbial Colonization in Postnatal-Growth-Restricted Mice. Nutrients 2023; 15:2771. [PMID: 37375672 DOI: 10.3390/nu15122771] [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: 04/29/2023] [Revised: 06/02/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND An inadequate perinatal nutritional environment can alter the maturation of the intestinal barrier and promote long-term pathologies such as metabolic syndrome or chronic intestinal diseases. The intestinal microbiota seems to play a determining role in the development of the intestinal barrier. In the present study, we investigated the impact of consuming an early postnatal prebiotic fiber (PF) on growth, intestinal morphology and the microbiota at weaning in postnatal-growth-restricted mice (PNGR). METHODS Large litters (15 pups/mother) were generated from FVB/NRj mice to induce PNGR at postnatal day 4 (PN4) and compared to control litters (CTRL, 8 pups/mother). PF (a resistant dextrin) or water was orally administered once daily to the pups from PN8 to PN20 (3.5 g/kg/day). Intestinal morphology was evaluated at weaning (PN21) using the ileum and colon. Microbial colonization and short-chain fatty acid (SCFA) production were investigated using fecal and cecal contents. RESULTS At weaning, the PNGR mice showed decreased body weight and ileal crypt depth compared to the CTRL. The PNGR microbiota was associated with decreased proportions of the Lachnospiraceae and Oscillospiraceae families and the presence of the Akkermansia family and Enterococcus genus compared to the CTRL pups. The propionate concentrations were also increased with PNGR. While PF supplementation did not impact intestinal morphology in the PNGR pups, the proportions of the Bacteroides and Parabacteroides genera were enriched, but the proportion of the Proteobacteria phylum was reduced. In the CTRL pups, the Akkermansia genus (Verrucomicrobiota phylum) was present in the PF-supplemented CTRL pups compared to the water-supplemented ones. CONCLUSIONS PNGR alters intestinal crypt maturation in the ileum at weaning and gut microbiota colonization. Our data support the notion that PF supplementation might improve gut microbiota establishment during the early postnatal period.
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Affiliation(s)
- Lucie Marousez
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Léa Chantal Tran
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
- CHU Lille, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, F-59000 Lille, France
| | - Edwina Micours
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Matthieu Antoine
- CHU Lille, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, F-59000 Lille, France
| | - Frédéric Gottrand
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
- CHU Lille, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, F-59000 Lille, France
| | - Jean Lesage
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
| | - Delphine Ley
- Univ. Lille, Inserm, CHU Lille, U1286-INFINITE-Institute for Translational Research in Inflammation, F-59000 Lille, France
- CHU Lille, Division of Gastroenterology, Hepatology and Nutrition, Department of Paediatrics, Jeanne de Flandre Children's Hospital, F-59000 Lille, France
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Rodent models of metabolic disorders: considerations for use in studies of neonatal programming. Br J Nutr 2022; 128:802-827. [PMID: 34551828 DOI: 10.1017/s0007114521003834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Epidemiologically, metabolic disorders have garnered much attention, perhaps due to the predominance of obesity. The early postnatal life represents a critical period for programming multifactorial metabolic disorders of adult life. Though altricial rodents are prime subjects for investigating neonatal programming, there is still no sufficiently generalised literature on their usage and methodology. This review focuses on establishing five approach-based models of neonatal rodents adopted for studying metabolic phenotypes. Here, some modelled interventions that currently exist to avoid or prevent metabolic disorders are also highlighted. We also bring forth recommendations, guidelines and considerations to aid research on neonatal programming. It is hoped that this provides a background to researchers focused on the aetiology, mechanisms, prevention and treatment of metabolic disorders.
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Restoration of cefixime-induced gut microbiota changes by a prebiotic blend in a mouse model. Appl Microbiol Biotechnol 2022; 106:5197-5209. [PMID: 35779098 DOI: 10.1007/s00253-022-12044-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 06/07/2022] [Accepted: 06/16/2022] [Indexed: 01/09/2023]
Abstract
Recent studies have provided compelling evidence linking the composition of the gut microbiota, host diet, and host physiology. Prebiotics are substrates that are selectively utilized by host microorganisms, conferring health benefits. Prebiotics, such as prebiotic blends (PB), are commonly used worldwide in food processing. Here, microbiome-metabolomics was used to evaluate how PB affect gut microbes and metabolic functions in C57BL/6 J mice administered cefixime. We found favorable effects of PB on obesity outcomes. PB supplementation significantly increased the abundance of Bifidobacterium, Parabacteroides, Alloprevotella, Alistipes, and Dubosiella, and decreased that of Robinsoniella, Blautia, Lachnoclostridium, Coprobacillus, Hungatella, Erysipelatoclostridium, Helicobacter, Clostridium sensu stricto 1, Enterococcus, and Akkermansia compared to that in the cefixime administration (CEF) group. In particular, PB increased the abundance of Parabacteroides goldsteinii and suppressed that of Robinsoniella peoriensis and Akkermansia muciniphila. In addition, it regulated the levels of microbial metabolites such as unsaturated fatty acids and bile acids. Thus, PB can alleviate metabolic disorders induced by antibiotic intervention, indicating a potential dietary strategy for populations with antibiotic-associated diarrhea. KEY POINTS: • Prebiotic blends significantly increased the Parabacteroides goldsteinii colony. • Prebiotic blends selectivity reversed this increase of Akkermansia muciniphila by antibiotic intervention. • Prebiotic blends relieve cefixime-induced alteration of intestinal flora by regulating metabolites, such as fatty acids and bile acids.
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Michel C, Blottière HM. Neonatal Programming of Microbiota Composition: A Plausible Idea That Is Not Supported by the Evidence. Front Microbiol 2022; 13:825942. [PMID: 35783422 PMCID: PMC9247513 DOI: 10.3389/fmicb.2022.825942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 05/20/2022] [Indexed: 11/13/2022] Open
Abstract
Underpinning the theory "developmental origins of health and disease" (DOHaD), evidence is accumulating to suggest that the risks of adult disease are in part programmed by exposure to environmental factors during the highly plastic "first 1,000 days of life" period. An elucidation of the mechanisms involved in this programming is challenging as it would help developing new strategies to promote adult health. The intestinal microbiome is proposed as a long-lasting memory of the neonatal environment. This proposal is supported by indisputable findings such as the concomitance of microbiota assembly and the first 1,000-day period, the influence of perinatal conditions on microbiota composition, and the impact of microbiota composition on host physiology, and is based on the widely held but unconfirmed view that the microbiota is long-lastingly shaped early in life. In this review, we examine the plausibility of the gut microbiota being programmed by the neonatal environment and evaluate the evidence for its validity. We highlight that the capacity of the pioneer bacteria to control the implantation of subsequent bacteria is supported by both theoretical principles and statistical associations, but remains to be demonstrated experimentally. In addition, our critical review of the literature on the long-term repercussions of selected neonatal modulations of the gut microbiota indicates that sustained programming of the microbiota composition by neonatal events is unlikely. This does not exclude the microbiota having a role in DOHaD due to a possible interaction with tissue and organ development during the critical windows of neonatal life.
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Affiliation(s)
| | - Hervé M. Blottière
- Nantes Université, INRAE, UMR 1280, PhAN, Nantes, France
- Université Paris-Saclay, INRAE, MetaGenoPolis, Jouy-en-Josas, France
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Takahashi H, Nakajima A, Matsumoto Y, Mori H, Inoue K, Yamanouchi H, Tanaka K, Tomiga Y, Miyahara M, Yada T, Iba Y, Matsuda Y, Watanabe K, Anzai K. Administration of Jerusalem artichoke reduces the postprandial plasma glucose and glucose-dependent insulinotropic polypeptide (GIP) concentrations in humans. Food Nutr Res 2022; 66:7870. [PMID: 35440936 PMCID: PMC8985572 DOI: 10.29219/fnr.v66.7870] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 02/26/2022] [Accepted: 02/28/2022] [Indexed: 01/19/2023] Open
Abstract
Background The consumption of Jerusalem artichoke has multiple beneficial effects against diabetes and obesity. Objective The aim of this study was to determine the effect of a single administration of Jerusalem artichoke tubers on postprandial glycemia and the concentrations of incretin hormones in humans. Method Grated Jerusalem artichoke was administered prior to a meal (Trial 1; white rice for prediabetic participants, n = 10). Dose-dependent effect of Jerusalem artichoke (Trial 2; white rice for prediabetic participants, n = 4) and effect prior to the fat-rich meal were also investigated (Trial 3; healthy participants, n = 5) in this pilot study. Circulating glucose, insulin, triglyceride, glucagon, active glucagon-like peptide-1 (GLP-1), and active glucose-dependent insulinotropic polypeptide (GIP) concentrations were subsequently measured in all the trials. Results Jerusalem artichoke significantly reduced the glucose and GIP concentrations after the consumption of either meal in Trial 1 and Trial 3, whereas there were no differences in the insulin, glucagon, and active GLP-1 concentrations. Also, there was no significant difference in the triglyceride concentration after the ingestion of the fat-rich meal in Trial 3. The glucose and GIP-lowering effects were dose-dependent, and the consumption of at least 100 g of Jerusalem artichoke was required to have these effects in Trial 2. Conclusion This study demonstrates that a single administration of Jerusalem artichoke tubers reduces postprandial glucose and active GIP concentrations in prediabetic and healthy individuals.
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Affiliation(s)
- Hirokazu Takahashi
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan.,Liver Center, Saga University Hospital, Faculty of Medicine, Saga University, Saga, Japan
| | - Akane Nakajima
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan.,Center of Nutritional Education, Saga University Hospital, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuichi Matsumoto
- Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, Karatsu, Saga, Japan
| | - Hitoe Mori
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Kanako Inoue
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Hiroko Yamanouchi
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Kenichi Tanaka
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Yuki Tomiga
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Maki Miyahara
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
| | - Tomomi Yada
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan.,Liver Center, Saga University Hospital, Faculty of Medicine, Saga University, Saga, Japan
| | - Yumiko Iba
- Center of Nutritional Education, Saga University Hospital, Faculty of Medicine, Saga University, Saga, Japan
| | - Yayoi Matsuda
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan.,Department of Medicine and Bioregulatory Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Keiichi Watanabe
- Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, Karatsu, Saga, Japan
| | - Keizo Anzai
- Division of Metabolism and Endocrinology, Faculty of Medicine, Saga University, Saga, Japan
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Coué M, Croyal M, Habib M, Castellano B, Aguesse A, Grit I, Gourdel M, Billard H, Lépine O, Michel C, Ouguerram K. Perinatal Administration of C-Phycocyanin Protects Against Atherosclerosis in apoE-Deficient Mice by Modulating Cholesterol and Trimethylamine-N-Oxide Metabolisms. Arterioscler Thromb Vasc Biol 2021; 41:e512-e523. [PMID: 34706557 DOI: 10.1161/atvbaha.121.316848] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
OBJECTIVE Gestational hypercholesterolemia concomitantly with a highly oxidative environment is associated with higher atherosclerosis in human and animal offspring. This work aimed to determine whether perinatal administration of a C-phycocyanin concentrate, a powerful antioxidant, can protect against atherosclerosis development in genetically hypercholesterolemic mice in adult life. Approach and Results: C-Phycocyanin was administered during gestation solely or gestation and lactation to apolipoprotein E-deficient mice. Male and female offspring were studied until 25 weeks old. Progenies born to supplemented mothers displayed significantly less atherosclerotic root lesions than control group in all groups excepted in male supplemented during gestation and lactation. Female born to supplemented mothers had a greater gallbladder total bile acid pool, lower secondary hydrophobic bile acid levels such as lithocholic acid, associated with less plasma trimethylamine N-oxide at 16 weeks old compared with control mice. Regarding male born to C-Phycocyanin administrated mothers, they expressed a higher high-density lipoprotein cholesterol level, more soluble bile acids such as β-muricholic acids, and a decreased plasma trimethylamine at 16 weeks old. Liver reduced-to-oxidized glutathione ratio were increased and liver gene expression of superoxide dismutase and glutathione peroxidase were significantly decreased in male born to gestational supplemented mothers. No difference in the composition of cecal microbiota was found between groups, regardless of sex. CONCLUSIONS Our findings suggest a protective effect of perinatal antioxidant administration on atherosclerosis development in apolipoprotein E-deficient mice involving sex-specific mechanisms.
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Affiliation(s)
- Marine Coué
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | - Mikael Croyal
- Université de Nantes, CNRS, INSERM, Institut du thorax, F-44000 Nantes, France (M. Croyal).,Université de Nantes, CHU Nantes, Inserm, CNRS, SFR Santé, Inserm UMS 016, CNRS UMS 3556, F-44000 Nantes, France (M. Croyal).,CRNH-Ouest Mass Spectrometry Core Facility, F-44000 Nantes, France (M. Croyal, A.A., M.G.)
| | - Marina Habib
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | - Blandine Castellano
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | - Audrey Aguesse
- CRNH-Ouest Mass Spectrometry Core Facility, F-44000 Nantes, France (M. Croyal, A.A., M.G.)
| | - Isabelle Grit
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | - Mathilde Gourdel
- CRNH-Ouest Mass Spectrometry Core Facility, F-44000 Nantes, France (M. Croyal, A.A., M.G.)
| | - Hélène Billard
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | | | - Catherine Michel
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
| | - Khadija Ouguerram
- Université de Nantes, CHU Nantes, INRAE, UMR1280, Physiopathologie des Adaptations Nutritionnelles (PhAN), Institut des maladies de l'appareil digestif (IMAD), Centre de Recherche en Nutrition Humaine Ouest (CRNH-O), F-44093 Nantes, France (M. Coué, M.H., B.C., I.G., H.B., C.M., K.O.)
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Pocheron AL, Le Dréan G, Billard H, Moyon T, Pagniez A, Heberden C, Le Chatelier E, Darmaun D, Michel C, Parnet P. Maternal Microbiota Transfer Programs Offspring Eating Behavior. Front Microbiol 2021; 12:672224. [PMID: 34211445 PMCID: PMC8239415 DOI: 10.3389/fmicb.2021.672224] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 04/27/2021] [Indexed: 01/15/2023] Open
Abstract
Understanding the link between mother's obesity and regulation of the child's appetite is a prerequisite for the design of successful preventive strategies. Beyond the possible contributions of genetic heritage, family culture, and hormonal and metabolic environment during pregnancy, we investigate in the present paper the causal role of the transmission of the maternal microbiotas in obesity as microbiotas differ between lean and obese mothers, maternal microbiotas are the main determinants of a baby's gut colonization, and the intestinal microbiota resulting from the early colonization could impact the feeding behavior of the offspring with short- and long-term consequences on body weight. We thus investigated the potential role of vertical transfers of maternal microbiotas in programming the eating behavior of the offspring. Selectively bred obese-prone (OP)/obese-resistant (OR) Sprague-Dawley dams were used since differences in the cecal microbiota have been evidenced from males of that strain. Microbiota collected from vagina (at the end of gestation), feces, and milk (at postnatal days 1, 5, 10, and 15) of OP/OR dams were orally inoculated to conventional Fischer F344 recipient pups from birth to 15 days of age to create three groups of pups: F-OP, F-OR, and F-Sham group (that received the vehicle). We first checked microbiotal differences between inoculas. We then assessed the impact of transfer (from birth to adulthood) onto the intestinal microbiota of recipients rats, their growth, and their eating behavior by measuring their caloric intake, their anticipatory food reward responses, their preference for sweet and fat tastes in solutions, and the sensations that extend after food ingestion. Finally, we searched for correlation between microbiota composition and food intake parameters. We found that maternal transfer of microbiota differing in composition led to alterations in pups' gut microbiota composition that did not last until adulthood but were associated with specific eating behavior characteristics that were predisposing F-OP rats to higher risk of over consuming at subsequent periods of their life. These findings support the view that neonatal gut microbiotal transfer can program eating behavior, even without a significant long-lasting impact on adulthood microbiota composition.
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Lafontaine GMF, Fish NM, Connerton IF. In Vitro Evaluation of the Effects of Commercial Prebiotic GOS and FOS Products on Human Colonic Caco-2 Cells. Nutrients 2020; 12:nu12051281. [PMID: 32366023 PMCID: PMC7282019 DOI: 10.3390/nu12051281] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 04/21/2020] [Accepted: 04/28/2020] [Indexed: 01/04/2023] Open
Abstract
Prebiotic oligosaccharides are widely used as human and animal feed additives for their beneficial effects on the gut microbiota. However, there are limited data to assess the direct effect of such functional foods on the transcriptome of intestinal epithelial cells. The purpose of this study is to describe the differential transcriptomes and cellular pathways of colonic cells directly exposed to galacto-oligosaccharides (GOS) and fructo-oligosaccharides (FOS). We have examined the differential gene expression of polarized Caco–2 cells treated with GOS or FOS products and their respective mock-treated cells using mRNA sequencing (RNA-seq). A total of 89 significant differentially expressed genes were identified between GOS and mock-treated groups. For FOS treatment, a reduced number of 12 significant genes were observed to be differentially expressed relative to the control group. KEGG and gene ontology functional analysis revealed that genes up-regulated in the presence of GOS were involved in digestion and absorption processes, fatty acids and steroids metabolism, potential antimicrobial proteins, energy-dependent and -independent transmembrane trafficking of solutes and amino acids. Using our data, we have established complementary non-prebiotic modes of action for these frequently used dietary fibers.
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Affiliation(s)
- Geraldine M. Flaujac Lafontaine
- Division of Microbiology, Brewing and Biotechnology, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK;
| | - Neville M. Fish
- Saputo Dairy UK, Innovation Centre, Harper Adams University, Newport TF10 8NB, UK;
| | - Ian F. Connerton
- Division of Microbiology, Brewing and Biotechnology, School of Biosciences, University of Nottingham, Sutton Bonington Campus, Loughborough LE12 5RD, UK;
- Correspondence:
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Bioregional Alterations in Gut Microbiome Contribute to the Plasma Metabolomic Changes in Pigs Fed with Inulin. Microorganisms 2020; 8:microorganisms8010111. [PMID: 31941086 PMCID: PMC7022628 DOI: 10.3390/microorganisms8010111] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/06/2020] [Accepted: 01/10/2020] [Indexed: 12/22/2022] Open
Abstract
Inulin (INU) is a non-digestible carbohydrate, known for its beneficial properties in metabolic disorders. However, whether and how gut microbiota in its regulation contributes to host metabolism has yet to be investigated. We conduct this study to examine the possible associations between the gut microbiota and circulating gut microbiota-host co-metabolites induced by inulin interventions. Plasma and intestinal site samples were collected from the pigs that have consumed inulin diet for 60 days. High-throughput sequencing was adopted for microbial composition, and the GC-TOF-MS-based metabolomics were used to characterize featured plasma metabolites upon inulin intervention. Integrated multi-omics analyses were carried out to establish microbiota-host interaction. Inulin consumption decreased the total cholesterol (p = 0.04) and glucose (p = 0.03) level in serum. Greater β-diversity was observed in the cecum and colon of inulin-fed versus that of control-fed pigs (p < 0.05). No differences were observed in the ileum. In the cecum, 18 genera were altered by inulin, followed by 17 in the colon and 6 in the ileum. Inulin increased propionate, and isobutyrate concentrations but decreased the ratio of acetate to propionate in the cecum, and increased total short fatty acids, valerate, and isobutyrate concentrations in the colon. Metabolomic analysis reveals that indole-3-propionic acid (IPA) was significantly higher, and the branched-chain amino acids (BCAA), L-valine, L-isoleucine, and L-leucine are significantly lower in the inulin groups. Mantel test and integrative analysis revealed associations between plasma metabolites (e.g., IPA, BCAA, L-tryptophan) and inulin-responsive cecal microbial genera. These results indicate that the inulin has regional effects on the intestine microbiome in pigs, with the most pronounced effects occurring in the cecum. Moreover, cecum microbiota plays a pivotal role in the modulation of circulating host metabolites upon inulin intervention.
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