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Shama S, Asbury MR, O'Connor DL. From parent to progeny. Cell Host Microbe 2024; 32:947-949. [PMID: 38870905 DOI: 10.1016/j.chom.2024.05.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 06/15/2024]
Abstract
How infants acquire their gut microbial communities and the various factors influencing these dynamics remain unclear. In this issue of Cell Host & Microbe, Selma-Royo et al. and Dubois et al. use shotgun metagenomic sequencing to understand the transmission of microbes from parents to infants and delve into factors modifying this process.
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Affiliation(s)
- Sara Shama
- Department of Nutritional Sciences, University of Toronto, Toronto, Canada; Translational Medicine Program, SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada
| | - Michelle R Asbury
- Department of Physiology & Pharmacology, University of Calgary, Calgary, Canada; Department of Pediatrics, University of Calgary, Calgary, Canada; Snyder Institute for Chronic Diseases, University of Calgary, Calgary, Canada; Alberta Children's Hospital Research Institute, Calgary, Canada
| | - Deborah L O'Connor
- Department of Nutritional Sciences, University of Toronto, Toronto, Canada; Translational Medicine Program, SickKids Research Institute, The Hospital for Sick Children, Toronto, Canada; Joannah and Brian Lawson Centre for Child Nutrition, University of Toronto, Toronto, Canada; Rogers Hixon Ontario Human Milk Bank, Toronto, Canada.
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Brockway M. The role of antibiotic exposure and the effects of breastmilk and human milk feeding on the developing infant gut microbiome. Front Public Health 2024; 12:1408246. [PMID: 38903564 PMCID: PMC11187292 DOI: 10.3389/fpubh.2024.1408246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/28/2024] [Indexed: 06/22/2024] Open
Abstract
The World Health Organization (WHO) recommends exclusive breastfeeding for the first 6 months of life followed by complementary foods and sustained breastfeeding for at least 2 years, underscoring its pivotal role in reducing infant mortality and preventing various illnesses. This perspective delves into the intricate relationship between breastfeeding practices, early life antibiotic exposure, and infant gut microbiome development, highlighting their profound influence on child health outcomes. Antibiotics are extensively prescribed during pregnancy and childhood, disrupting the microbiome, and are related to increased risks of allergies, obesity, and neurodevelopmental disorders. Breastfeeding is a significant determinant of a healthier gut microbiome, characterized by higher levels of beneficial bacteria such as Bifidobacterium and lower levels of potential pathogens. Despite widespread recognition of the benefits of breastfeeding, gaps persist in healthcare practices and support mechanisms, exacerbating challenges faced by breastfeeding families. This highlights the pressing need for comprehensive research encompassing breastfeeding behaviors, human milk intake, and their impact on infant health outcomes. Additionally, promoting awareness among healthcare providers and families regarding the detrimental effects of unnecessary formula supplementation could facilitate informed decision-making and bolster exclusive breastfeeding rates. Moreover, donor human milk (DHM) is a promising alternative to formula, potentially mitigating disruptions to the infant gut microbiome after antibiotic exposure. Overall, prioritizing breastfeeding support interventions and bridging research gaps are essential steps towards improving child health outcomes on a global scale.
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Affiliation(s)
- Meredith Brockway
- Faculty of Nursing, University of Calgary, Calgary, AB, Canada
- Alberta Children’s Hospital Research Institute, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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3
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Hu JH, Sheng J, Guo HM, Liu H, Zhang X, Han B, Peng K, Ji FH. Association between labor epidural analgesia and gut microbiota: A prospective cohort study. Heliyon 2024; 10:e29883. [PMID: 38699036 PMCID: PMC11064136 DOI: 10.1016/j.heliyon.2024.e29883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 04/16/2024] [Accepted: 04/17/2024] [Indexed: 05/05/2024] Open
Abstract
Background Labor epidural analgesia (LEA) may influence gut microbiota. We explored the association between LEA and gut microbiota for both mothers and their newborns. Methods In this prospective cohort study, parturients aged 25-35 years with a gestational age of 37-42 weeks and planned vaginal delivery were recruited. Twenty-one parturients received LEA (the LEA group), and 24 did not (the control group). Maternal and neonatal fecal samples were collected, and the gut microbiota profiles were analyzed using the 16S rRNA gene sequencing. The impact of LEA on gut microbiota was assessed using the general liner models. Results We showcased the gut microbiota profile from the phyla to species levels based on data on 45 mother-newborn dyads. The results of α- and β-diversity suggested significant changes in gut microbiota between the LEA and control groups. After adjusting for baseline confounders, the administration of LEA had positive correlations with R. ilealis (β = 91.87, adjusted P = 0.007) in mothers; LEA also had negative correlations with A. pittii (β = -449.36, adjusted P = 0.015), P. aeruginosa (β = -192.55, adjusted P = 0.008), or S. maltophilia (β = -142.62, adjusted P = 0.001) in mothers, and with Muribaculaceae (β = -2702.77, adjusted P = 0.003) in neonates. Conclusion LEA was associated with changes in maternal and neonatal gut microbiota, and future studies are still required to assess their impact on clinical outcomes and explore the mechanisms.
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Affiliation(s)
- Jing-hui Hu
- Departments of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Jie Sheng
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hui-min Guo
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Hong Liu
- Department of Anesthesiology and Pain Medicine, University of California Davis Health, Sacramento, CA, USA
| | - Xinyue Zhang
- Suzhou Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Bing Han
- Department of Obstetrics and Gynecology, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Ke Peng
- Departments of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
| | - Fu-hai Ji
- Departments of Anesthesiology, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
- Institute of Anesthesiology, Soochow University, Suzhou, Jiangsu, China
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Francis D, Chawla A, LaComb JF, Markarian K, Robertson CE, Frank DN, Gathungu GN. Gastroesophageal reflux and PPI exposure alter gut microbiota in very young infants. Front Pediatr 2023; 11:1254329. [PMID: 38027267 PMCID: PMC10651085 DOI: 10.3389/fped.2023.1254329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 09/12/2023] [Indexed: 12/01/2023] Open
Abstract
Importance Infants with symptomatic Gastroesophageal reflux are treated with pharmacological therapy that includes proton pump inhibitors (PPI) with clinical improvement. The alterations to gut microbiome profiles in comparison to infants without reflux is not known. Objective To determine the effect of PPI therapy on gut bacterial richness, diversity, and proportions of specific taxa in infants when compared to infants not exposed to acid suppressive therapy. Design setting and participants This cohort study was conducted at the Stony Brook Hospital in Stony Brook, NY between February 2016, and June 2019. Infants meeting inclusion criteria were enrolled in a consecutive fashion. Results A total of 76 Infants were recruited and 60 were enrolled in the study, Twenty nine infants met clinical criteria for reflux and were treated with PPI therapy: median [IQR] gestation: 38.0 weeks [34.7-39.6 weeks]; median [IQR] birthweight: 2.95 Kg [2.2-3.4]; 14 [46.7%] male) and 29 infant were healthy controls median [IQR] gestation: 39.1 weeks [38-40 weeks]; median [IQR] birthweight: 3.3 Kg [2.2-3.4]; 17 [58.6%] male); 58 stool samples from 58 infants were analyzed. There were differences in Shannon diversity between the reflux and control groups. The reflux group that was exposed to PPI therapy had increased relative abundance of a diverse set of genera belonging to the phylum Firmicutes. On the other hand, the control group microbiota was dominated by Bifidobacterium, and a comparatively lower level of enrichment and abundance of microbial taxa was observed in this group of infants. Conclusions and relevance We observed significant differences in both α- and β-diversity of the microbiome, when the two groups of infants were compared. The microbiome in the reflux group had more bacterial taxa and the duration of PPIs exposure was clearly associated with the diversity and abundance of gut microbes. These findings suggest that PPI exposure among infants results in early enrichment of the intestinal microbiome.
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Affiliation(s)
- Denease Francis
- Department of Pediatrics, Texas Tech University Health Sciences Center El Paso, El Paso, TX, United States
| | - Anupama Chawla
- Department of Pediatrics, Stony Brook University Hospital, Stony Brook, NY, United States
| | - Joseph F. LaComb
- Department of Pediatrics, Stony Brook University Hospital, Stony Brook, NY, United States
| | - Katherine Markarian
- Department of Pediatrics, Stony Brook University Hospital, Stony Brook, NY, United States
| | - Charles E. Robertson
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Daniel N. Frank
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, CO, United States
| | - Grace N. Gathungu
- Department of Pediatrics, Stony Brook University Hospital, Stony Brook, NY, United States
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Zhou L, Qiu W, Wang J, Zhao A, Zhou C, Sun T, Xiong Z, Cao P, Shen W, Chen J, Lai X, Zhao LH, Wu Y, Li M, Qiu F, Yu Y, Xu ZZ, Zhou H, Jia W, Liao Y, Retnakaran R, Krewski D, Wen SW, Clemente JC, Chen T, Xie RH, He Y. Effects of vaginal microbiota transfer on the neurodevelopment and microbiome of cesarean-born infants: A blinded randomized controlled trial. Cell Host Microbe 2023; 31:1232-1247.e5. [PMID: 37327780 DOI: 10.1016/j.chom.2023.05.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 03/22/2023] [Accepted: 05/19/2023] [Indexed: 06/18/2023]
Abstract
The microbiomes of cesarean-born infants differ from vaginally delivered infants and are associated with increased disease risks. Vaginal microbiota transfer (VMT) to newborns may reverse C-section-related microbiome disturbances. Here, we evaluated the effect of VMT by exposing newborns to maternal vaginal fluids and assessing neurodevelopment, as well as the fecal microbiota and metabolome. Sixty-eight cesarean-delivered infants were randomly assigned a VMT or saline gauze intervention immediately after delivery in a triple-blind manner (ChiCTR2000031326). Adverse events were not significantly different between the two groups. Infant neurodevelopment, as measured by the Ages and Stages Questionnaire (ASQ-3) score at 6 months, was significantly higher with VMT than saline. VMT significantly accelerated gut microbiota maturation and regulated levels of certain fecal metabolites and metabolic functions, including carbohydrate, energy, and amino acid metabolisms, within 42 days after birth. Overall, VMT is likely safe and may partially normalize neurodevelopment and the fecal microbiome in cesarean-delivered infants.
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Affiliation(s)
- Lepeng Zhou
- School of Nursing, Affiliated Foshan Maternity & Child Healthcare Hospital, Department of Laboratory Medicine in Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China; School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China; Department of Nursing, The Seventh Affiliated Hospital, Southern Medical University, Foshan, Guangdong 528244, China
| | - Wen Qiu
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China
| | - Jie Wang
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China
| | - Aihua Zhao
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Chuhui Zhou
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China
| | - Tao Sun
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Ziyu Xiong
- Department of Nursing, The Seventh Affiliated Hospital, Southern Medical University, Foshan, Guangdong 528244, China
| | - Peihua Cao
- Clinical Research Center, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China; Department of Biostatistics, School of Public Health, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wei Shen
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China; Department of Neonatology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Jingfen Chen
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China
| | - Xiaolu Lai
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China
| | - Liu-Hong Zhao
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China
| | - Yue Wu
- Department of Cardiology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
| | - Meng Li
- Department of Obstetrics, The Seventh Affiliated Hospital, Southern Medical University, Foshan, Guangdong 528244, China
| | - Feng Qiu
- Department of Laboratory Medicine, The Seventh Affiliated Hospital, Southern Medical University, Foshan, Guangdong 528244, China
| | - Yanhong Yu
- Department of Obstetrics and Gynecology, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Zhenjiang Zech Xu
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China; State Key Laboratory of Food Science and Technology, Institute of Nutrition and College of Food Science and Technology, Nanchang University, Nanchang, Jiangxi 330047, China
| | - Hongwei Zhou
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China; State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, Guangdong 510515, China
| | - Wei Jia
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People's Hospital, Shanghai 200233, China
| | - Yan Liao
- Ottawa Hospital Research Institute, Ottawa, ON K1H8L6, Canada
| | - Ravi Retnakaran
- Leadership Sinai Centre for Diabetes, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON M5G 1X5, Canada; Division of Endocrinology, University of Toronto, Toronto, ON M5S 2E8, Canada
| | - Daniel Krewski
- McLaughlin Centre for Population Health Risk Assessment, Faculty of Medicine, University of Ottawa, Ottawa, ON K1N 6N5, Canada; Risk Science International, Ottawa, ON K1P 5J6, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Shi Wu Wen
- Ottawa Hospital Research Institute, Ottawa, ON K1H8L6, Canada; School of Epidemiology and Public Health, University of Ottawa, Ottawa, ON K1N 6N5, Canada; Department of Obstetrics and Gynecology, University of Ottawa, Ottawa, ON K1N 6N5, Canada
| | - Jose C Clemente
- Department of Genetics and Genomic Science, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; Precision Immunology Institute, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA.
| | - Tianlu Chen
- Center for Translational Medicine and Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Jiao Tong University School of Medicine Affiliated Sixth People's Hospital, Shanghai 200233, China.
| | - Ri-Hua Xie
- School of Nursing; Department of Nursing, Foshan Fetal Medicine Research Institute, Affiliated Foshan Maternity & Child Healthcare Hospital, Southern Medical University, Foshan, Guangdong 528100, China.
| | - Yan He
- Microbiome Medicine Center, Department of Laboratory Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong 510280, China; State Key Laboratory of Organ Failure Research, Southern Medical University, Guangzhou, Guangdong 510515, China; Guangdong Provincial Clinical Research Center for Laboratory Medicine, Guangzhou, Guangdong 510033, China.
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Donovan SM, Aghaeepour N, Andres A, Azad MB, Becker M, Carlson SE, Järvinen KM, Lin W, Lönnerdal B, Slupsky CM, Steiber AL, Raiten DJ. Evidence for human milk as a biological system and recommendations for study design-a report from "Breastmilk Ecology: Genesis of Infant Nutrition (BEGIN)" Working Group 4. Am J Clin Nutr 2023; 117 Suppl 1:S61-S86. [PMID: 37173061 PMCID: PMC10356565 DOI: 10.1016/j.ajcnut.2022.12.021] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 12/06/2022] [Accepted: 12/08/2022] [Indexed: 05/15/2023] Open
Abstract
Human milk contains all of the essential nutrients required by the infant within a complex matrix that enhances the bioavailability of many of those nutrients. In addition, human milk is a source of bioactive components, living cells and microbes that facilitate the transition to life outside the womb. Our ability to fully appreciate the importance of this matrix relies on the recognition of short- and long-term health benefits and, as highlighted in previous sections of this supplement, its ecology (i.e., interactions among the lactating parent and breastfed infant as well as within the context of the human milk matrix itself). Designing and interpreting studies to address this complexity depends on the availability of new tools and technologies that account for such complexity. Past efforts have often compared human milk to infant formula, which has provided some insight into the bioactivity of human milk, as a whole, or of individual milk components supplemented with formula. However, this experimental approach cannot capture the contributions of the individual components to the human milk ecology, the interaction between these components within the human milk matrix, or the significance of the matrix itself to enhance human milk bioactivity on outcomes of interest. This paper presents approaches to explore human milk as a biological system and the functional implications of that system and its components. Specifically, we discuss study design and data collection considerations and how emerging analytical technologies, bioinformatics, and systems biology approaches could be applied to advance our understanding of this critical aspect of human biology.
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Affiliation(s)
- Sharon M Donovan
- Department of Food Science and Human Nutrition, University of Illinois, Urbana-Champaign, IL, USA.
| | - Nima Aghaeepour
- Department of Anesthesiology, Pain, and Perioperative Medicine, Department of Pediatrics, and Department of Biomedical Data Sciences, School of Medicine, Stanford University, Stanford, CA, USA
| | - Aline Andres
- Arkansas Children's Nutrition Center and Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Meghan B Azad
- Manitoba Interdisciplinary Lactation Centre (MILC), Children's Hospital Research Institute of Manitoba, Department of Pediatrics and Child Health and Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Martin Becker
- Department of Anesthesiology, Pain, and Perioperative Medicine, Department of Pediatrics, and Department of Biomedical Data Sciences, School of Medicine, Stanford University, Stanford, CA, USA
| | - Susan E Carlson
- Department of Dietetics and Nutrition, University of Kansas Medical Center, Kansas City, KS, USA
| | - Kirsi M Järvinen
- Department of Pediatrics, Division of Allergy and Immunology and Center for Food Allergy, University of Rochester Medical Center, New York, NY, USA
| | - Weili Lin
- Biomedical Research Imaging Center and Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Bo Lönnerdal
- Department of Nutrition, University of California, Davis, CA, USA
| | - Carolyn M Slupsky
- Department of Nutrition, University of California, Davis, CA, USA; Department of Food Science and Technology, University of California, Davis, CA, USA
| | | | - Daniel J Raiten
- Pediatric Growth and Nutrition Branch, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
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Wu S, Ren L, Li J, Shen X, Zhou Q, Miao Z, Jia W, He F, Cheng R. Breastfeeding might partially contribute to gut microbiota construction and stabilization of propionate metabolism in cesarean-section infants. Eur J Nutr 2023; 62:615-631. [PMID: 36173468 DOI: 10.1007/s00394-022-03020-9] [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: 06/24/2022] [Accepted: 09/22/2022] [Indexed: 11/28/2022]
Abstract
PURPOSE This study was aimed to determine how delivery mode and feeding pattern influence the infant's gut microbiota construction and the variation of fecal microbial metabolites from a birth cohort. METHODS Fecal samples collected from 61 full-term born Chinese infants at four time points: day 0, day 7, month 1, and month 3. Based on delivery mode (vaginal delivery [V] or cesarean section [C]) and feeding pattern (breastfeeding [B] or mixed feeding [M]), infants were divided into four groups, namely VB, CB, VM, and CM groups. The gut microbiota composition and bacterial diversity were assessed using 16S rRNA sequencing. Short-chain fatty acid (SCFA) concentrations were determined via gas chromatography-mass spectrometry (GC-MS). RESULTS The CM group had a significantly higher relative abundance of Firmicutes (day 0 and month 1), Enterococcaceae (month 3), and Enterococcus (month 3) than the VB group and a significantly higher abundance of Firmicutes (month 1) and Blautia (month 3) than the CB group. The VB and CB groups exhibited a stable SCFA variation and a significantly lower level of propionate compared with the VM and CM groups. All groups showed an intense transition of enterotypes within 1 month and became stable at 3 months. The correlation between SCFA and enterotypes showed a significant positive correlation between Bifidobacteriaceae and acetate in the CB group (day 7 and month 3) and a significant positive correlation between Clostridiaceae and butyrate in the CB and VB groups (day 7 and month 3), respectively. CONCLUSION These results indicated that C-section was associated with higher abundance of the phylum Firmicutes and family Enterococcaceae, and intense fluctuation of SCFA, at least propionate. And breastfeeding might partially contribute to gut microbiota construction and stabilization propionate metabolism in cesarean-section infants.
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Affiliation(s)
- Simou Wu
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Lei Ren
- Hebei Inatural Bio-Tech Co.,Ltd., Shijiazhuang, 050000, Hebei, People's Republic of China
| | - Jinxing Li
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Xi Shen
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Qingqing Zhou
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Zhonghua Miao
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Wen Jia
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China
| | - Fang He
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China.
| | - Ruyue Cheng
- Department of Nutrition and Food Hygiene, West China School of Public Health and West China Fourth Hospital, Sichuan University, No. 16, 3rd Section, South Renmin Road, Wuhou District, Chengdu, 610041, Sichuan, People's Republic of China.
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8
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Lee-Sarwar KA, Chen YC, Yao Chen Y, Kozyrskyj AL, Mandhane PJ, Turvey SE, Subbarao P, Bisgaard H, Stokholm J, Chawes B, Sørensen SJ, Kelly RS, Lasky-Su J, Zeiger RS, O’Connor GT, Sandel MT, Bacharier LB, Beigelman A, Carey VJ, Harshfield BJ, Laranjo N, Gold DR, Weiss ST, Litonjua AA. The maternal prenatal and offspring early-life gut microbiome of childhood asthma phenotypes. Allergy 2023; 78:418-428. [PMID: 36107703 PMCID: PMC9892205 DOI: 10.1111/all.15516] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/06/2022] [Accepted: 08/17/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND The infant fecal microbiome is known to impact subsequent asthma risk, but the environmental exposures impacting this association, the role of the maternal microbiome, and how the microbiome impacts different childhood asthma phenotypes are unknown. METHODS Our objective was to identify associations between features of the prenatal and early-life fecal microbiomes and child asthma phenotypes. We analyzed fecal 16 s rRNA microbiome profiling and fecal metabolomic profiling from stool samples collected from mothers during the third trimester of pregnancy (n = 120) and offspring at ages 3-6 months (n = 265), 1 (n = 436) and 3 years (n = 506) in a total of 657 mother-child pairs participating in the Vitamin D Antenatal Asthma Reduction Trial. We used clinical data from birth to age 6 years to characterize subjects with asthma as having early, transient or active asthma phenotypes. In addition to identifying specific genera that were robustly associated with asthma phenotypes in multiple covariate-adjusted models, we clustered subjects by their longitudinal microbiome composition and sought associations between fecal metabolites and relevant microbiome and clinical features. RESULTS Seven maternal and two infant fecal microbial taxa were robustly associated with at least one asthma phenotype, and a longitudinal gut microenvironment profile was associated with early asthma (Fisher exact test p = .03). Though mode of delivery was not directly associated with asthma, we found substantial evidence for a pathway whereby cesarean section reduces fecal Bacteroides and microbial sphingolipids, increasing susceptibility to early asthma. CONCLUSION Overall, our results suggest that the early-life, including prenatal, fecal microbiome modifies risk of asthma, especially asthma with onset by age 3 years.
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Affiliation(s)
- Kathleen A. Lee-Sarwar
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Division of Allergy and Clinical Immunology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Yih-Chieh Chen
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Division of Allergy and Clinical Immunology, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Yuan Yao Chen
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
| | | | - Piush J. Mandhane
- Department of Pediatrics, University of Alberta, Edmonton, AB, Canada
| | - Stuart E. Turvey
- Department of Pediatrics, University of British Columbia, Vancouver, BC, Canada
| | - Padmaja Subbarao
- Department of Pediatrics & Physiology, Hospital for Sick Children, University of Toronto, Toronto, ON, Canada
| | - Hans Bisgaard
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Gentofte, Denmark
| | - Jakob Stokholm
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Gentofte, Denmark
| | - Bo Chawes
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Gentofte, Denmark
| | - Søren J. Sørensen
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, University of Copenhagen, Gentofte, Denmark
| | - Rachel S. Kelly
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Jessica Lasky-Su
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Robert S. Zeiger
- Department of Clinical Science Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, CA, USA
| | - George T. O’Connor
- Pulmonary Center and Department of Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Megan T. Sandel
- Department of Pediatrics, Boston Medical Center, Boston, MA, USA
| | - Leonard B. Bacharier
- Division of Pediatric Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, Monroe Carell Jr Children’s Hospital at Vanderbilt University Medical Center, Nashville, TN, USA
| | - Avraham Beigelman
- Division of Pediatric Allergy, Immunology and Pulmonary Medicine, Department of Pediatrics, Washington University School of Medicine, St Louis, MO and St Louis Children’s Hospital, St Louis, MO, USA
- The Kipper Institute of Allergy and Immunology, Schneider Children’s Medical Center of Israel, Tel Aviv University, Israel
| | - Vincent J. Carey
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Benjamin J. Harshfield
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Nancy Laranjo
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Diane R. Gold
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
- Department of Environmental Health, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Scott T. Weiss
- Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Augusto A. Litonjua
- Division of Pediatric Pulmonary Medicine, Golisano Children’s Hospital at Strong, University of Rochester Medical Center, Rochester, NY, USA
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9
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Gardemeister S, Skogberg K, Saisto T, Salonen A, de Vos WM, Korpela K, Kolho KL. Cross-sectional study of the proportion of antibiotic use during childbirth in full-term deliveries in Finland. BMC Pregnancy Childbirth 2023; 23:50. [PMID: 36681812 PMCID: PMC9862572 DOI: 10.1186/s12884-023-05368-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/10/2023] [Indexed: 01/22/2023] Open
Abstract
PURPOSE In developed countries, data on the frequency of antibiotics given to mothers during childbirth are limited beyond the overall effect of all various prophylactic indications. Also, data on the impact of such antibiotics to the well-being of term babies are scarce. We aimed to characterize the frequency of antibiotic use during childbirth of term pregnancy. Secondly, we assessed whether the use of antibiotics was associated with any symptoms in infants. METHODS This was a cross-sectional study of 1019 term deliveries of women participating in the prospective Health and Early Life Microbiota (HELMi) birth cohort study between March 2016 and March 2018 in the capital region of Finland. The data on antibiotic use were collected from the hospital records. RESULTS In total, 37% of the mothers received antibiotics during childbirth and 100% in Caesarean Sects. (17% of the deliveries). Less than 5% of antibiotics were non-prophylactic. In vaginal deliveries, the most common indication (18%) was prophylaxis for Group B Streptococcus. The most frequently used antibiotics were cefuroxime (22%) and benzylpenicillin (15%), and 56% received only one dose. In infants exposed to antibiotics during delivery, defecation frequency was higher during the first months (p-value < 0.0001- 0.0145), and weight gain was higher at the age of three months (p-value 0.0371). CONCLUSION More than every third new-born in a developed country is exposed to antibiotics during birth. Our findings support the hypothesis that maternal antibiotics given during birth have an impact on the well-being of the infants. These findings should inform current policies for prophylactic antibiotics in childbirth.
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Affiliation(s)
- Susanna Gardemeister
- grid.7737.40000 0004 0410 2071Children’s Hospital, University of Helsinki, Stenbäckinkatu 11, FI-00029 HUS Helsinki, Finland
| | - Kirsi Skogberg
- grid.7737.40000 0004 0410 2071Division of Infectious Diseases, Inflammation Centre, Helsinki University Hospital, and University of Helsinki, Helsinki, Finland
| | - Terhi Saisto
- grid.7737.40000 0004 0410 2071Department of Obstetrics and Gynaecology, Helsinki University Hospital, HUS, and University of Helsinki, Helsinki, Finland
| | - Anne Salonen
- grid.7737.40000 0004 0410 2071Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Willem M. de Vos
- grid.7737.40000 0004 0410 2071Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland ,grid.4818.50000 0001 0791 5666Laboratory of Microbiology, Wageningen University, Wageningen, The Netherlands
| | - Katri Korpela
- grid.7737.40000 0004 0410 2071Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Kaija-Leena Kolho
- grid.7737.40000 0004 0410 2071Children’s Hospital, University of Helsinki, Stenbäckinkatu 11, FI-00029 HUS Helsinki, Finland ,grid.7737.40000 0004 0410 2071Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland ,grid.502801.e0000 0001 2314 6254Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
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10
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Tang M, Marroquin E. The role of the gut microbiome in the intergenerational transmission of the obesity phenotype: A narrative review. Front Med (Lausanne) 2022; 9:1057424. [PMID: 36619646 PMCID: PMC9812955 DOI: 10.3389/fmed.2022.1057424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 12/07/2022] [Indexed: 12/24/2022] Open
Abstract
Obesity is considered an epidemic by the World Health Organization. In particular, maternal obesity can affect the development of obesity and other related metabolic disorders in infants. Recently, both animal and human studies have pointed to the importance of the gut microbiome in facilitating the transmission of the obesity phenotype from mother to offspring. The gut microbiome changes significantly during the progression of pregnancy, and the microbiota of the amniotic fluid and placenta have recently been shown to colonize the infant gut in utero. Microbial composition, diversity, and richness are significantly altered by maternal obesity, which in turn affects the infant's acquisition of the gut microbiome and their risk to develop metabolic disorders. C-section has also been shown to affect the colonization of the infant gut and offspring metabolic and immune health. This narrative review seeks to discuss the role of the gut microbiome in the transmission of the obesity phenotype from mother to child, as well as how birth delivery, breastfeeding, and probiotic interventions may modulate this relationship.
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Affiliation(s)
- Mabel Tang
- Department of BioSciences, Rice University, Houston, TX, United States
| | - Elisa Marroquin
- Department of Nutritional Sciences, Texas Christian University, Fort Worth, TX, United States,*Correspondence: Elisa Marroquin,
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11
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Matharu D, Ponsero AJ, Dikareva E, Korpela K, Kolho KL, de Vos WM, Salonen A. Bacteroides abundance drives birth mode dependent infant gut microbiota developmental trajectories. Front Microbiol 2022; 13:953475. [PMID: 36274732 PMCID: PMC9583133 DOI: 10.3389/fmicb.2022.953475] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Accepted: 09/07/2022] [Indexed: 11/13/2022] Open
Abstract
Background and aims Birth mode and other early life factors affect a newborn's microbial colonization with potential long-term health effects. Individual variations in early life gut microbiota development, especially their effects on the functional repertoire of microbiota, are still poorly characterized. This study aims to provide new insights into the gut microbiome developmental trajectories during the first year of life. Methods Our study comprised 78 term infants sampled at 3 weeks, 3 months, 6 months, and 12 months (n = 280 total samples), and their mothers were sampled in late pregnancy (n = 50). Fecal DNA was subjected to shotgun metagenomic sequencing. Infant samples were studied for taxonomic and functional maturation, and maternal microbiota was used as a reference. Hierarchical clustering on taxonomic profiles was used to identify the main microbiota developmental trajectories in the infants, and their associations with perinatal and postnatal factors were assessed. Results In line with previous studies, infant microbiota composition showed increased alpha diversity and decreased beta diversity by age, converging toward an adult-like profile. However, we did not observe an increase in functional alpha diversity, which was stable and comparable with the mother samples throughout all the sampling points. Using a de novo clustering approach, two main infant microbiota clusters driven by Bacteroidaceae and Clostridiaceae emerged at each time point. The clusters were associated with birth mode and their functions differed mainly in terms of biosynthetic and carbohydrate degradation pathways, some of which consistently differed between the clusters for all the time points. The longitudinal analysis indicated three main microbiota developmental trajectories, with the majority of the infants retaining their characteristic cluster until 1 year. As many as 40% of vaginally delivered infants were grouped with infants delivered by C-section due to their clear and persistent depletion in Bacteroides. Intrapartum antibiotics, any perinatal or postnatal factors, maternal microbiota composition, or other maternal factors did not explain the depletion in Bacteroides in the subset of vaginally born infants. Conclusion Our study provides an enhanced understanding of the compositional and functional early life gut microbiota trajectories, opening avenues for investigating elusive causes that influence non-typical microbiota development.
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Affiliation(s)
- Dollwin Matharu
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Alise J. Ponsero
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Biosystems Engineering and BIO5 Institute, University of Arizona, Tucson, AZ, United States
| | - Evgenia Dikareva
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Katri Korpela
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Kaija-Leena Kolho
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Children's Hospital, Pediatric Research Center, University of Helsinki and HUS, Helsinki, Finland
- Faculty of Medicine and Health Technology, University of Tampere, Tampere, Finland
| | - Willem M. de Vos
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Laboratory of Microbiology, Wageningen University, Wageningen, Netherlands
| | - Anne Salonen
- Human Microbiome Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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12
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Ding M, Chen H, Yu R, Ross RP, Stanton C, Zhang H, Yang B, Chen W. Shared and Non-Shared sIgA-Coated and -Uncoated Bacteria in Intestine of Mother–Infant Pairs. Int J Mol Sci 2022; 23:ijms23179873. [PMID: 36077271 PMCID: PMC9456154 DOI: 10.3390/ijms23179873] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/19/2022] [Accepted: 08/26/2022] [Indexed: 11/23/2022] Open
Abstract
The infant gut microbiota is critical for promoting and maintaining early-life health. The study aimed to analyze the composition of sIgA-coated and sIgA-uncoated bacterial communities at genus level and lactobacilli and bifidobacterial communities at species level in human breast milk (HBM) and infant and maternal feces. Eleven pregnant women were recruited successfully. HBM; infant feces during colostrum, transition, and mature stages; and maternal feces within the mature stage were collected. sIgA-coated and sIgA-uncoated bacteria were separated with magnetic-activated cell sorting. Then, 16S rRNA sequencing, bifidobacterial groEL gene sequencing, and lactobacilli groEL gene sequencing were performed to analyze the bacterial community. PCoA revealed that the compositions of sIgA-coated and sIgA-uncoated bacteria were different among HBM and infant and maternal feces. Higher relative abundance of sIgA-uncoated Bifidobacterium was found in the three lactation stages in infant feces compared to the corresponding HBM, and a higher relative abundance of sIgA-uncoated Faecalibacterium was found in maternal feces compared to HBM and infant feces. For bifidobacterial community, sIgA-coated and sIgA-uncoated B. longum subsp. infantis and B. pseudocatenulatum was dominant in infant feces and maternal feces, respectively. The relative abundance of sIgA-uncoated B. longum subsp. infantis was significantly higher in infant feces compared to that in maternal feces. For the Lactobacillus community, L. paragasseri and L. mucosae were dominant in infant and maternal feces, respectively. HBM and infant and maternal feces showed distinct diversity and composition of both sIgA-coated and sIgA-uncoated bacteria at genus level. Infant and maternal feces showed similar composition of Bifidobacterium at species level. The same Bifidobacterium species could be detected both in sIgA-coated and -uncoated form. This article provided deeper understanding on the microbiota profile in HBM and infant and maternal feces.
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Affiliation(s)
- Mengfan Ding
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Haiqin Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Renqiang Yu
- Department of Neonatology, The Affiliated Wuxi Maternity and Child Health Care Hospital of Nanjing Medical University, Wuxi 214122, China
- Correspondence: (R.Y.); (B.Y.)
| | - Reynolds Paul Ross
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
| | - Catherine Stanton
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Co Cork, Ireland
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
| | - Bo Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China
- Correspondence: (R.Y.); (B.Y.)
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
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13
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Bailey MJ, Holzhausen EA, Morgan ZEM, Naik N, Shaffer JP, Liang D, Chang HH, Sarnat J, Sun S, Berger PK, Schmidt KA, Lurmann F, Goran MI, Alderete TL. Postnatal exposure to ambient air pollutants is associated with the composition of the infant gut microbiota at 6-months of age. Gut Microbes 2022; 14:2105096. [PMID: 35968805 PMCID: PMC9466616 DOI: 10.1080/19490976.2022.2105096] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Epidemiological studies in adults have shown that exposure to ambient air pollution (AAP) is associated with the composition of the adult gut microbiome, but these relationships have not been examined in infancy. We aimed to determine if 6-month postnatal AAP exposure was associated with the infant gut microbiota at 6 months of age in a cohort of Latino mother-infant dyads from the Southern California Mother's Milk Study (n = 103). We estimated particulate matter (PM2.5 and PM10) and nitrogen dioxide (NO2) exposure from birth to 6-months based on residential address histories. We characterized the infant gut microbiota using 16S rRNA amplicon sequencing at 6-months of age. At 6-months, the gut microbiota was dominated by the phyla Bacteroidetes, Firmicutes, Proteobacteria, and Actinobacteria. Our results show that, after adjusting for important confounders, postnatal AAP exposure was associated with the composition of the gut microbiota. As an example, PM10 exposure was positively associated with Dialister, Dorea, Acinetobacter, and Campylobacter while PM2.5 was positively associated with Actinomyces. Further, exposure to PM10 and PM2.5 was inversely associated with Alistipes and NO2 exposure was positively associated with Actinomyces, Enterococcus, Clostridium, and Eubacterium. Several of these taxa have previously been linked with systemic inflammation, including the genera Dialister and Dorea. This study provides the first evidence of significant associations between exposure to AAP and the composition of the infant gut microbiota, which may have important implications for future infant health and development.
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Affiliation(s)
- Maximilian J. Bailey
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | | | | | - Noopur Naik
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA
| | - Justin P. Shaffer
- Department of Pediatrics, University of California San Diego, La Jolla, CA, USA
| | - Donghai Liang
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Howard H. Chang
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Jeremy Sarnat
- Rollins School of Public Health, Emory University, Atlanta, GA, USA
| | - Shan Sun
- Department of Bioinformatics and Genomics, University of North Carolina at Charlotte, Charlotte, NC, USA
| | - Paige K. Berger
- Department of Pediatrics, The Saban Research Institute, Children’s Hospital of Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Kelsey A. Schmidt
- Department of Pediatrics, The Saban Research Institute, Children’s Hospital of Los Angeles, University of Southern California, Los Angeles, CA, USA
| | | | - Michael I. Goran
- Department of Pediatrics, The Saban Research Institute, Children’s Hospital of Los Angeles, University of Southern California, Los Angeles, CA, USA
| | - Tanya L. Alderete
- Department of Integrative Physiology, University of Colorado Boulder, Boulder, CO, USA,CONTACT Tanya L. Alderete Department of Integrative Physiology, University of Colorado, Boulder, CO80309, USA
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14
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Pivrncova E, Kotaskova I, Thon V. Neonatal Diet and Gut Microbiome Development After C-Section During the First Three Months After Birth: A Systematic Review. Front Nutr 2022; 9:941549. [PMID: 35967823 PMCID: PMC9364824 DOI: 10.3389/fnut.2022.941549] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/15/2022] [Indexed: 11/28/2022] Open
Abstract
Background Cesarean section (C-section) delivery imprints fundamentally on the gut microbiota composition with potential health consequences. With the increasing incidence of C-sections worldwide, there is a need for precise characterization of neonatal gut microbiota to understand how to restore microbial imbalance after C-section. After birth, gut microbiota development is shaped by various factors, especially the infant’s diet and antibiotic exposure. Concerning diet, current research has proposed that breastfeeding can restore the characteristic gut microbiome after C-section. Objectives In this systematic review, we provide a comprehensive summary of the current literature on the effect of breastfeeding on gut microbiota development after C-section delivery in the first 3 months of life. Methods The retrieved data from PubMed, Scopus, and Web of Science were evaluated according to the PICO/PECO strategy. Quality assessment was conducted by the Newcastle–Ottawa Scale. Results After critical selection, we identified 14 out of 4,628 studies for the evaluation of the impact of the diet after C-section delivery. The results demonstrate consistent evidence that C-section and affiliated intrapartum antibiotic exposure affect Bacteroidetes abundance and the incapacity of breastfeeding to reverse their reduction. Furthermore, exclusive breastfeeding shows a positive effect on Actinobacteria and Bifidobacteria restoration over the 3 months after birth. None of the included studies detected any significant changes in Lactobacillus abundance in breastfed infants after C-section. Conclusion C-section and intrapartum antibiotic exposure influence an infant’s gut microbiota by depletion of Bacteroides, regardless of the infant’s diet in the first 3 months of life. Even though breastfeeding increases the presence of Bifidobacteria, further research with proper feeding classification is needed to prove the restoration effect on some taxa in infants after C-section. Systematic Review Registration: [www.crd.york.ac.uk/prospero/], identifier [CRD42021287672].
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Affiliation(s)
- Eliska Pivrncova
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Iva Kotaskova
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - Vojtech Thon
- RECETOX, Faculty of Science, Masaryk University, Brno, Czech Republic
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15
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Mitter VR, Håberg SE, Magnus MC. Early childhood respiratory tract infections according to parental subfertility and conception by assisted reproductive technologies. Hum Reprod 2022; 37:2113-2125. [PMID: 35881052 PMCID: PMC9433839 DOI: 10.1093/humrep/deac162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/13/2022] [Indexed: 11/20/2022] Open
Abstract
STUDY QUESTION Are children conceived by ART or born to subfertile parents more susceptible to upper or lower respiratory tract infections (URTI, LRTI)? SUMMARY ANSWER ART-conceived children had a higher frequency of and risk of hospitalization for respiratory infections up to age 3, which was only partly explained by parental subfertility. WHAT IS KNOWN ALREADY Some studies report increased risks of infections in children conceived by ART. Results for URTIs and LRTIs are inconclusive, and the contribution of underlying parental subfertility remains unclear. STUDY DESIGN, SIZE, DURATION We included 84 102 singletons of the Norwegian Mother, Father and Child Cohort Study (MoBa) born between 1999 and 2009. Mothers reported time-to-pregnancy at recruitment and child history of, frequency of and hospitalization for, respiratory infections when the child was 6, 18 and 36 months old by questionnaires. Subfertility was defined as having taken 12 or more months to conceive. The Medical Birth Registry of Norway (MBRN) provided information on ART. URTI included throat and ear infections, while LRTI included bronchitis, bronchiolitis, respiratory syncytial virus and pneumonia. PARTICIPANTS/MATERIALS, SETTING, METHODS We used log-binomial regression to estimate risk ratios (RR) and 95% CI of any respiratory tract infection and hospitalization, and negative-binomial regression to calculate incidence rate ratios (IRR) and 95% CI for number of infections. We compared children conceived by ART, and naturally conceived children of subfertile parents, to children of fertile parents (<12 months to conceive) while adjusting for maternal age, education, BMI and smoking during pregnancy and previous livebirths. We accounted for dependency between children born to the same mother. MAIN RESULTS AND THE ROLE OF CHANCE A total of 7334 (8.7%) singletons were naturally conceived by subfertile parents and 1901 (2.3%) were conceived by ART. Between age 0 and 36 months, 41 609 (49.5%) of children experienced any URTI, 15 542 (18.5%) any LRTI and 4134 (4.9%) were hospitalized due to LRTI. Up to age 3, children conceived by ART had higher frequencies of URTI (adjusted IRR (aIRR) 1.16; 95% CI 1.05–1.28) and hospitalizations due to LRTI (adjusted RR (aRR) 1.25; 95% CI 1.02–1.53), which was not seen for children of subfertile parents. Children conceived by ART were not at higher risks of respiratory infections up to age 18 months; only at age 19–36 months, they had increased risk of any LRTI (aRR 1.16; 95% CI 1.01–1.33), increased frequency of LRTIs (IRR 1.22; 95% CI 1.02–1.47) and a higher risk of hospitalization for LRTI (aRR 1.35; 95% CI 1.01–1.80). They also had an increased frequency of URTIs (aIRR; 1.19; 95% CI 1.07–1.33). Children of subfertile parents only had a higher risk of LRTIs (aRR 1.09; 95% CI 1.01–1.17) at age 19–36 months. LIMITATIONS, REASONS FOR CAUTION Self-reported time-to-pregnancy and respiratory tract infections by parents could lead to misclassification. Both the initial participation rate and loss to follow up in the MoBa limits generalizability to the general Norwegian population. WIDER IMPLICATIONS OF THE FINDINGS ART-conceived children might be more susceptible to respiratory tract infections in early childhood. This appears to be only partly explained by underlying parental subfertility. Exactly what aspects related to the ART procedure might be reflected in these associations need to be further investigated. STUDY FUNDING/COMPETING INTEREST(S) Funding was received from the Swiss National Science Foundation (P2BEP3_191798), the Research Council of Norway (no. 262700), and the European Research Council (no. 947684). All authors declare no conflict of interest. TRIAL REGISTRATION NUMBER N/A.
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Affiliation(s)
- V R Mitter
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway.,University Women's Hospital, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
| | - S E Håberg
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
| | - M C Magnus
- Centre for Fertility and Health, Norwegian Institute of Public Health, Oslo, Norway
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16
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Prevalence of Functional Gastrointestinal Disorders in Brazilian Infants Seen in Private Pediatric Practices and Their Associated Factors. J Pediatr Gastroenterol Nutr 2022; 75:17-23. [PMID: 35622063 DOI: 10.1097/mpg.0000000000003469] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVES To assess the prevalence of the most frequent functional gastrointestinal disorders (FGIDs) in Brazilian infants seen in private pediatric clinics and their relationship with cesarean delivery, breastfeeding, and history of prematurity. METHODS This cross-sectional study enrolled 5080 infants under 12 months old with routine visits in private pediatric clinics in Brazil. The mothers answered questions about the type of delivery, type of feeding (breast milk, infant formula, cow milk, mixed feeding), history of prematurity, and gastrointestinal symptoms. Rome IV criteria were used to diagnose FGIDs. RESULTS The prevalence of infant regurgitation was 10.7% (487/4560); infant colic, 6.1% (131/2162); infant dyschezia, 4.0% (157/3895); functional constipation, 7.6% (341/4506); and functional diarrhea, 0.09% (2/2186). Prematurity was associated ( P < 0.05) with infant regurgitation (odds ratio [OR] = 1.41; 95% confidence interval [CI]: 1.05, 1.90), infant colic (OR = 1.97; 95% CI: 1.19, 3.24), infant dyschezia (OR = 1.64, 95% CI: 1.02, 2.64), and functional constipation (OR = 1.44; 95% CI: 1.02, 2.02). Prematurity was associated ( P < 0.001) with two or more FGIDs between 21 days and 150 days of age (OR = 3.06; 95% CI: 1.74, 5.37). CONCLUSION FGIDs are common in infants seen in the private pediatric practice in Brazil. History of prematurity was associated with infant regurgitation, infant colic, functional dyschezia, and functional constipation.
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17
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Boudar Z, Sehli S, El Janahi S, Al Idrissi N, Hamdi S, Dini N, Brim H, Amzazi S, Nejjari C, Lloyd-Puryear M, Ghazal H. Metagenomics Approaches to Investigate the Neonatal Gut Microbiome. Front Pediatr 2022; 10:886627. [PMID: 35799697 PMCID: PMC9253679 DOI: 10.3389/fped.2022.886627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 05/23/2022] [Indexed: 12/03/2022] Open
Abstract
Early infancy is critical for the development of an infant's gut flora. Many factors can influence microbiota development during the pre- and postnatal periods, including maternal factors, antibiotic exposure, mode of delivery, dietary patterns, and feeding type. Therefore, investigating the connection between these variables and host and microbiome interactions in neonatal development would be of great interest. As the "unculturable" era of microbiome research gives way to an intrinsically multidisciplinary field, microbiome research has reaped the advantages of technological advancements in next-generation sequencing, particularly 16S rRNA gene amplicon and shotgun sequencing, which have considerably expanded our knowledge about gut microbiota development during early life. Using omics approaches to explore the neonatal microbiome may help to better understand the link between the microbiome and newborn diseases. Herein, we summarized the metagenomics methods and tools used to advance knowledge on the neonatal microbiome origin and evolution and how the microbiome shapes early and late individuals' lives for health and disease. The way to overcome limitations in neonatal microbiome studies will be discussed.
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Affiliation(s)
- Zakia Boudar
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Sofia Sehli
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Sara El Janahi
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
| | - Najib Al Idrissi
- Department of Surgery, Faculty of Medicine, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Salsabil Hamdi
- Laboratory of Genomics and Bioinformatics, School of Pharmacy, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Nouzha Dini
- Mother and Child Department, Cheikh Khalifa International University Hospital, Mohammed VI University of Health Sciences (UM6SS), Casablanca, Morocco
| | - Hassan Brim
- Department of Pathology, Howard University, Washington, DC, United States
| | - Saaïd Amzazi
- Laboratory of Human Pathologies Biology, Department of Biology, Faculty of Sciences, and Genomic Center of Human Pathologies, Faculty of Medicine and Pharmacy, Mohammed V University, Rabat, Morocco
| | - Chakib Nejjari
- Department of Epidemiology and Biostatistics, International School of Public Health, Mohammed VI University of Health Sciences, Casablanca, Morocco
- Department of Epidemiology and Public Health, Faculty of Medicine, University Sidi Mohammed Ben Abdellah, Fez, Morocco
| | | | - Hassan Ghazal
- Department of Fundamental Sciences, School of Medicine, Mohammed VI University of Health Sciences, Casablanca, Morocco
- National Center for Scientific and Technical Research, Rabat, Morocco
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18
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Cabré S, Ratsika A, Rea K, Stanton C, Cryan JF. Animal Models for Assessing Impact of C-Section Delivery on Biological Systems. Neurosci Biobehav Rev 2022; 135:104555. [PMID: 35122781 DOI: 10.1016/j.neubiorev.2022.104555] [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: 06/29/2021] [Revised: 01/28/2022] [Accepted: 01/30/2022] [Indexed: 12/02/2022]
Abstract
There has been a significant increase in Caesarean section (C-section) births worldwide over the past two decades and although it is can be a life-saving procedure, the enduring effects on host physiology are now undergoing further scrutiny. Indeed, epidemiological data have linked C-section birth with multiple immune, metabolic and neuropsychiatric diseases. Birth by C-section is known to alter the colonisation of the neonatal gut microbiota (with C-section delivered infants lacking vaginal microbiota associated with passing along the birth canal), which in turn can impact the development and maintenance of many important biological systems. Appropriate animal models are key to disentangling the role of missing microbes in brain health and disease in C-section births. In this review of preclinical studies, we interrogate the effects of C-section birth on the development (and maintenance) of several biological systems and we discuss the involvement of the gut microbiome on C-section-related alterations.
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Affiliation(s)
- Sílvia Cabré
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork T12 YT20, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork T12 YT20, Ireland
| | - Anna Ratsika
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork T12 YT20, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork T12 YT20, Ireland
| | - Kieran Rea
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork T12 YT20, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork T12 YT20, Ireland; Department of Psychiatry and Neurobehavioural Science, University College Cork, Cork T12 YT20, Ireland; Teagasc Food Research Centre, Moorepark, Fermoy P61 C996, Ireland
| | - John F Cryan
- APC Microbiome Ireland, Biosciences Institute, University College Cork, Cork T12 YT20, Ireland; Department of Anatomy and Neuroscience, University College Cork, Cork T12 YT20, Ireland.
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19
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Ding M, Yang B, Khine WWT, Lee YK, Rahayu ES, Ross RP, Stanton C, Zhao J, Zhang H, Chen W. The Species-Level Composition of the Fecal Bifidobacterium and Lactobacillus Genera in Indonesian Children Differs from That of Their Mothers. Microorganisms 2021; 9:microorganisms9091995. [PMID: 34576890 PMCID: PMC8467263 DOI: 10.3390/microorganisms9091995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022] Open
Abstract
The infant gut microbiota plays a critical role in early life growth and derives mainly from maternal gut and breast milk. This study aimed to analyze the differences in the gut microbiota, namely Bifidobacterium and Lactobacillus communities at species level among breast milk as well as maternal and infant feces at different time points after delivery. Fifty-one mother–infant pairs from Indonesia were recruited, and the breast milk and maternal and infant feces were collected and analyzed by high throughput sequencing (16S rRNA, Bifidobacterium groEL and Lactobacillus groEL genes). PCoA results showed bacterial composition was different among breast milk and maternal and infant feces within the first two years. The abundance of Bifidobacterium and Bacteroides were significantly higher in infant feces compared to their maternal feces from birth to two years of age, and maternal breast milk within six months after birth (p < 0.05), whereas the abundance of Blautia, Prevotella, and Faecalibacterium was higher in maternal feces compared to that in breast milk within six months and infant feces within one year after birth, respectively (p < 0.05). The relative abundances of Bacteroides and Lactobacillus was higher and lower in infant feces compared to that in maternal feces only between one and two years of age, respectively (p < 0.05). For Bifidobacterium community at species level, B. adolescentis, B. ruminantium, B. longum subsp. infantis, B. bifidum, and B. pseudolongum were identified in all samples. However, the profile of Bifidobacterium was different between maternal and infant feces at different ages. The relative abundances of B. adolescentis and B. ruminantium were higher in maternal feces compared to those in infant feces from birth to one year of age (p < 0.05), while the relative abundances of B. longum subsp. infantis and B. bifidum were higher in infant feces compared to those in maternal feces beyond three months, and the relative abundance of B. pseudolongum was only higher in infant feces between three and six months (p < 0.05). For Lactobacillus community, L. paragasseri showed higher relative abundance in infant feces when the infant was younger than one year of age (p < 0.05). This study showed bacterial composition at the genus level and Bifidobacterium and Lactobacillus communities at the species level were stage specific in maternal breast milk as well as and maternal and infant feces.
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Affiliation(s)
- Mengfan Ding
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.D.); (J.Z.); (H.Z.); (W.C.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Bo Yang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.D.); (J.Z.); (H.Z.); (W.C.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China; (Y.-K.L.); (R.P.R.); (C.S.)
- Correspondence:
| | - Wei Wei Thwe Khine
- Department of Microbiology & Immunology, National University of Singapore, Singapore 117545, Singapore;
| | - Yuan-Kun Lee
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China; (Y.-K.L.); (R.P.R.); (C.S.)
- Department of Microbiology & Immunology, National University of Singapore, Singapore 117545, Singapore;
| | - Endang Sutriswati Rahayu
- Department of Food and Agricultural Product Technology, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia;
| | - R. Paul Ross
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China; (Y.-K.L.); (R.P.R.); (C.S.)
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
| | - Catherine Stanton
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China; (Y.-K.L.); (R.P.R.); (C.S.)
- APC Microbiome Ireland, University College Cork, T12 K8AF Cork, Ireland
- Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.D.); (J.Z.); (H.Z.); (W.C.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- International Joint Research Center for Probiotics & Gut Health, Jiangnan University, Wuxi 214122, China; (Y.-K.L.); (R.P.R.); (C.S.)
| | - Hao Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.D.); (J.Z.); (H.Z.); (W.C.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi 214122, China; (M.D.); (J.Z.); (H.Z.); (W.C.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
- Wuxi Translational Medicine Research Center and Jiangsu Translational Medicine Research Institute Wuxi Branch, Wuxi 214122, China
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20
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Chen YY, Zhao X, Moeder W, Tun HM, Simons E, Mandhane PJ, Moraes TJ, Turvey SE, Subbarao P, Scott JA, Kozyrskyj AL. Impact of Maternal Intrapartum Antibiotics, and Caesarean Section with and without Labour on Bifidobacterium and Other Infant Gut Microbiota. Microorganisms 2021; 9:microorganisms9091847. [PMID: 34576741 PMCID: PMC8467529 DOI: 10.3390/microorganisms9091847] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/18/2021] [Accepted: 08/25/2021] [Indexed: 12/15/2022] Open
Abstract
Background and Aims: Few studies consider the joint effect of multiple factors related to birth, delivery mode, intrapartum antibiotic prophylaxis and the onset of labour, on the abundance of Bifidobacterium and the quantity of this genus and its species Bifidobacterium longum subsp. infantis in the infant gut microbiota. We implemented such a study. Methods: Among 1654 Canadian full-term infants, the gut microbiota of faecal samples collected at 3 months were profiled by 16S rRNA sequencing; the genus Bifidobacterium and Bifidobacterium longum subsp. infantis were quantified by qPCR. Associations between Bifidobacterium and other gut microbiota were examined by Spearman’s rank correlation. Results: Following vaginal birth, maternal IAP exposure was associated with reduced absolute quantities of bifidobacteria among vaginally delivered infants (6.80 vs. 7.14 log10 (gene-copies/g faeces), p < 0.05), as well as their lowered abundance relative to other gut microbiota. IAP differences in infant gut bifidobacterial quantity were independent of maternal pre-pregnancy body-mass-index (BMI), and remarkably, they were limited to breastfed infants. Pre-pregnancy BMI adjustment revealed negative associations between absolute quantities of bifidobacteria and CS with or without labour in non-breastfed infants, and CS with labour in exclusively breastfed infants. Significant correlations between Bifidobacterium abundance and other microbial taxa were observed. Conclusions: This study documented the impact of the birth mode and feeding status on the abundance of gut Bifidobacterium, and pointed to the important ecological role of the genus Bifidobacterium in gut microbiota due to its strong interaction with other gut microbiota in early infancy.
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Affiliation(s)
- Yuan Yao Chen
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1C9, Canada; (Y.Y.C.); (X.Z.); (H.M.T.); (P.J.M.)
| | - Xin Zhao
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1C9, Canada; (Y.Y.C.); (X.Z.); (H.M.T.); (P.J.M.)
| | - Wolfgang Moeder
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 1R4, Canada; (W.M.); (J.A.S.)
| | - Hein M. Tun
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1C9, Canada; (Y.Y.C.); (X.Z.); (H.M.T.); (P.J.M.)
- HKU-Pasteur Research Pole, School of Public Health, University of Hong Kong, Hong Kong SAR 999077, China
| | - Elinor Simons
- Department of Pediatrics and Child Health, Children’s Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, MB R3E 0J9, Canada;
| | - Piushkumar J. Mandhane
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1C9, Canada; (Y.Y.C.); (X.Z.); (H.M.T.); (P.J.M.)
| | - Theo J. Moraes
- Department of Pediatrics and Physiology, Hospital for Sick Children, University of Toronto, Toronto, ON M5G 1X8, Canada; (T.J.M.); (P.S.)
| | - Stuart E. Turvey
- Department of Pediatrics, Child and Family Research Institute, BC Children’s Hospital, University of British Columbia, Vancouver, BC V5Z 4H4, Canada;
| | - Padmaja Subbarao
- Department of Pediatrics and Physiology, Hospital for Sick Children, University of Toronto, Toronto, ON M5G 1X8, Canada; (T.J.M.); (P.S.)
| | - James A. Scott
- Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 1R4, Canada; (W.M.); (J.A.S.)
| | - Anita L. Kozyrskyj
- Department of Pediatrics, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, AB T6G 1C9, Canada; (Y.Y.C.); (X.Z.); (H.M.T.); (P.J.M.)
- Correspondence: Anita Kozyrskyj
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