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https://www.readbyqxmd.com/read/28296565/maternal-microbiota-and-antibodies-as-advocates-of-neonatal-health
#1
Stephanie C Ganal-Vonarburg, Tobias Fuhrer, Mercedes Gomez de Agüero
Mammalian body surfaces are inhabited by vast numbers of microbes, the commensal microbiota, which help the host to digest food, provide nutrients, and mature its immune system. For a long time, postnatal colonization was believed to be the main stimulus for microbial-induced immune development. Using a model of reversible colonization of germ-free mice during gestation, we recently showed that the microbial shaping of the neonatal immune system begins even before birth through molecular signals derived from the microbiota of the mother...
March 1, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28292979/the-food-contaminant-deoxynivalenol-exacerbates-the-genotoxicity-of-gut-microbiota
#2
Delphine Payros, Ulrich Dobrindt, Patricia Martin, Thomas Secher, Ana Paula F L Bracarense, Michèle Boury, Joelle Laffitte, Philippe Pinton, Eric Oswald, Isabelle P Oswald
An increasing number of human beings from developed countries are colonized by Escherichia coli strains producing colibactin, a genotoxin suspected to be associated with the development of colorectal cancers. Deoxynivalenol (DON) is the most prevalent mycotoxin that contaminates staple food-especially cereal products-in Europe and North America. This study investigates the effect of the food contaminant DON on the genotoxicity of the E. coli strains producing colibactin. In vitro, intestinal epithelial cells were coexposed to DON and E...
March 14, 2017: MBio
https://www.readbyqxmd.com/read/28288222/-the-benefits-of-breastfeeding-and-associated-risks-of-replacement-with-baby-formulas
#3
Paulina Brahm, Verónica Valdés
Breastfeeding is the nourishment designed by nature for the newborn and the infant; however its prevalence is nowadays not optimal. The aim of this article is to review the current evidence of the benefits of breastfeeding for children and society, and to elaborate the risks associated with the replacement of lactation with baby formulas. Breastfeeding is a protective factor for several infectious, atopic, and cardiovascular diseases as well as for leukaemia, necrotising enterocolitis, celiac disease, and inflammatory bowel disease...
February 2017: Revista Chilena de Pediatría
https://www.readbyqxmd.com/read/28228752/intestinal-microbiota-and-weight-gain-in-preterm-neonates
#4
Silvia Arboleya, Pablo Martinez-Camblor, Gonzalo Solís, Marta Suárez, Nuria Fernández, Clara G de Los Reyes-Gavilán, Miguel Gueimonde
The involvement of the gut microbiota on weight-gain and its relationship with childhood undernutrition and growth has been reported. Thus, the gut microbiota constitutes a potential therapeutic target for preventing growth impairment. However, our knowledge in this area is limited. In this study we aimed at evaluating the relationship among early microbiota, growth, and development in preterm infants. To this end we assessed the levels of specific microorganisms by qPCR, and those of short chain fatty acids by mean of gas-chromatography, in feces from 63 preterm newborns and determined their weight-gain during the first months...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28207425/evidence-based-interventions-for-improvement-of-maternal-and-child-nutrition-in-low-income-settings-what-s-new
#5
Tyler Vaivada, Michelle F Gaffey, Jai K Das, Zulfiqar A Bhutta
PURPOSE OF REVIEW: Maternal and child malnutrition continues to disproportionately affect low and middle-income countries, contributing to high rates of morbidity, mortality, and suboptimal development. This article reviews evidence from recent systematic reviews and studies on the effectiveness of interventions to improve nutritional status in these especially vulnerable populations. RECENT FINDINGS: Macronutrients provided to expectant mothers in the form of balanced protein energy supplements can improve fetal growth and birth outcomes, and new research suggests that lipid nutrient supplements can reduce both stunting and wasting in newborns...
February 15, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/28199379/the-effects-of-amoxicillin-treatment-of-newborn-piglets-on-the-prevalence-of-hernias-and-abscesses-growth-and-ampicillin-resistance-of-intestinal-coliform-bacteria-in-weaned-pigs
#6
Jinhyeon Yun, Satu Olkkola, Marja-Liisa Hänninen, Claudio Oliviero, Mari Heinonen
This study investigated the effects of a single amoxicillin treatment of newborn piglets on the prevalence of hernias and abscesses until the age of nine weeks. We also studied whether the treatment was associated with growth and mortality, the need for treatment of other diseases, the proportions of ampicillin resistant coliforms and antimicrobial resistance patterns of intestinal Escherichia coli (E. coli). A total of 7156 piglets, from approximately 480 litters, were divided into two treatment groups: ANT (N = 3661) and CON (N = 3495), where piglets were treated with or without a single intramuscular injection of 75 mg amoxicillin one day after birth, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28182762/longitudinal-change-of-selected-human-milk-oligosaccharides-and-association-to-infants-growth-an-observatory-single-center-longitudinal-cohort-study
#7
Norbert Sprenger, Le Ye Lee, Carlos Antonio De Castro, Philippe Steenhout, Sagar K Thakkar
BACKGROUND: Human milk is the recommended and sole nutrient source for newborns. One of the largest components of human milk is oligosaccharides (HMOs) with major constituents determined by the mother genotype for the fucosyltransferase 2 (FUT2, secretor) gene. HMO variation has been related with infant microbiota establishment, diarrhea incidence, morbidity and mortality, IgE associated eczema and body composition. OBJECTIVES: We investigated the (i) dependence of several major representative HMOs on the FUT2 status assessed through breast milk 2'Fucosyllactose (2'FL) and (ii) the relation of the 2'FL status with infant growth up to 4 months of life...
2017: PloS One
https://www.readbyqxmd.com/read/28178310/diversity-and-composition-of-vaginal-microbiota-of-pregnant-women-at-risk-for-transmitting-group-b-streptococcus-treated-with-intrapartum-penicillin
#8
Luiz Fernando Wurdig Roesch, Rita C Silveira, Andréa L Corso, Priscila Thiago Dobbler, Volker Mai, Bruna S Rojas, Álvaro M Laureano, Renato S Procianoy
BACKGROUND: Administering intravenous antibiotics during labor to women at risk for transmitting Group B Streptococcus (GBS) can prevent infections in newborns. However, the impact of intrapartum antibiotic prophylaxis on mothers' microbial community composition is largely unknown. We compared vaginal microbial composition in pregnant women experiencing preterm birth at ≤ 32 weeks gestation that received intrapartum antibiotic prophylaxis with that in controls. METHODS: Microbiota in vaginal swabs collected shortly before delivery from GBS positive women that received penicillin intravenously during labor or after premature rupture of membranes was compared to controls...
2017: PloS One
https://www.readbyqxmd.com/read/28098228/unique-bacteria-community-composition-and-co-occurrence-in-the-milk-of-different-ruminants
#9
Zhipeng Li, André-Denis G Wright, Yifeng Yang, Huazhe Si, Guangyu Li
Lactation provides the singular source of nourishment to the offspring of mammals. This nutrition source also contains a diverse microbiota affecting the development and health of the newborn. Here, we examined the milk microbiota in water deer (Hydropotes inermis, the most primitive member of the family Cervidae), reindeer (Rangifer tarandus, the oldest semi-domesticated cervid), and the dairy goat (Capra aegagrus, member of the family Bovidae), to determine if common milk microbiota species were present across all three ruminant species...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28079055/intestinal-microbiota-as-a-tetrahydrobiopterin-exogenous-source-in-hph-1-mice
#10
Jaques Belik, Yulia Shifrin, Erland Arning, Teodoro Bottiglieri, Jingyi Pan, Michelle C Daigneault, Emma Allen-Vercoe
Tetrahydrobiopterin (BH4) is a cofactor of a number of regulatory enzymes. Although there are no known BH4 exogenous sources, the tissue content of this biopterin increases with age in GTP cyclohydrolase 1-deficient hyperphenylalaninemia-1 (hph-1) mice. Since certain bacteria are known to generate BH4, we hypothesize that generation of this biopterin by the intestinal microbiota contributes to its tissue increase in hph-1 adult mice. The goal of this study was to comparatively evaluate hph-1 mice and wild-type C57Bl/6 controls for the presence of intestinal BH4-producing bacteria...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28070087/postnatal-changes-in-the-relative-abundance-of-intestinal-lactobacillus-spp-in-newborn-calves
#11
Tadashi Takino, Yuko Kato-Mori, Daisuke Motooka, Shota Nakamura, Tetsuya Iida, Katsuro Hagiwara
The intestinal microbiota of newborn calves changes during the early postnatal period and influences their health and immune function. We studied the compositional changes in the intestinal microbiome of newborn calves during the first week after birth by metagenomic analysis. In feces from newborn calves, we identified 4 bacterial phyla, namely, Actinobacteria, Bacteroidetes, Firmicutes and Proteobacteria. The relative abundance of Lactobacillaceae significantly increased from day 1 to day 7. We evaluated Lactobacillus spp...
March 18, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27983720/microbiota-network-and-mathematic-microbe-mutualism-in-colostrum-and-mature-milk-collected-in-two-different-geographic-areas-italy-versus-burundi
#12
Lorenzo Drago, Marco Toscano, Roberta De Grandi, Enzo Grossi, Ezio M Padovani, Diego G Peroni
Human milk is essential for the initial development of newborns, as it provides all nutrients and vitamins, such as vitamin D, and represents a great source of commensal bacteria. Here we explore the microbiota network of colostrum and mature milk of Italian and Burundian mothers using the auto contractive map (AutoCM), a new methodology based on artificial neural network (ANN) architecture. We were able to demonstrate the microbiota of human milk to be a dynamic, and complex, ecosystem with different bacterial networks among different populations containing diverse microbial hubs and central nodes, which change during the transition from colostrum to mature milk...
April 2017: ISME Journal
https://www.readbyqxmd.com/read/27930727/airway-microbiota-in-bronchoalveolar-lavage-fluid-from-clinically-well-infants-with-cystic-fibrosis
#13
Theresa A Laguna, Brandie D Wagner, Cynthia B Williams, Mark J Stevens, Charles E Robertson, Cole W Welchlin, Catherine E Moen, Edith T Zemanick, Jonathan K Harris
BACKGROUND: Upper airway cultures guide the identification and treatment of lung pathogens in infants with cystic fibrosis (CF); however, this may not fully reflect the spectrum of bacteria present in the lower airway. Our objectives were to characterize the airway microbiota using bronchoalveolar lavage fluid (BALF) from asymptomatic CF infants during the first year of life and to investigate the relationship between BALF microbiota, standard culture and clinical characteristics. METHODS: BALF, nasopharyngeal (NP) culture and infant pulmonary function testing data were collected at 6 months and one year of age during periods of clinical stability from infants diagnosed with CF by newborn screening...
2016: PloS One
https://www.readbyqxmd.com/read/27899809/does-vaginal-delivery-mitigate-or-strengthen-the-intergenerational-association-of-overweight-and-obesity-findings-from-the-boston-birth-cohort
#14
N T Mueller, G Mao, W L Bennet, S K Hourigan, M G Dominguez-Bello, L J Appel, X Wang
BACKGROUND/OBJECTIVES: The intergenerational association of obesity may be driven by mother-to-newborn transmission of microbiota at birth. Yet cesarean delivery circumvents newborn acquisition of vaginal microbiota, and has been associated with greater childhood adiposity. Here we examined the independent and joint associations of maternal pre-pregnancy body mass index (BMI; kg m(-2)) and delivery mode with childhood overweight or obesity. SUBJECTS/METHODS: We prospectively followed 1441 racially and ethnically diverse mother-child dyads in the Boston Birth Cohort until age 5 years (range: 2...
December 20, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27898903/intestinal-lactose-and-mineral-concentration-affect-the-microbial-ecophysiology-along-the-gastrointestinal-tract-of-formula-fed-neonatal-piglets
#15
R Pieper, W Vahjen, J Zentek
Hyperprolificacy in modern pig breeds has led to increased use of artificial rearing and formula feeding of neonatal piglets, which may change their intestinal bacterial ecophysiology. Here, newborn piglets ( = 8 per group) were fed a bovine milk-based formula (FO) or allowed to suckle their mothers (sow milk [SM]) for 2 wk, and digesta samples from the stomach, jejunum, and colon were subsequently analyzed for enzyme activities, bacterial metabolites, and 16S rRNA transcripts of bacterial groups by quantitative real-time PCR...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27744547/a-mixture-of-milk-and-vegetable-lipids-in-infant-formula-changes-gut-digestion-mucosal-immunity-and-microbiota-composition-in-neonatal-piglets
#16
Isabelle Le Huërou-Luron, Karima Bouzerzour, Stéphanie Ferret-Bernard, Olivia Ménard, Laurence Le Normand, Cécile Perrier, Cindy Le Bourgot, Julien Jardin, Claire Bourlieu, Thomas Carton, Pascale Le Ruyet, Isabelle Cuinet, Cécile Bonhomme, Didier Dupont
PURPOSE: Although composition of infant formula has been significantly improved during the last decade, major differences with the composition and structure of breast milk still remain and might affect nutrient digestion and gut biology. We hypothesized that the incorporation of dairy fat in infant formulas could modify their physiological impacts by making their composition closer to that of human milk. The effect of milk fat and milk fat globule membrane (MFGM) fragments in infant formulas on gut digestion, mucosal immunity and microbiota composition was evaluated...
October 15, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27725814/monitoring-perinatal-gut-microbiota-in-mouse-models-by-mass-spectrometry-approaches-parental-genetic-background-and-breastfeeding-effects
#17
Stefano Levi Mortera, Federica Del Chierico, Pamela Vernocchi, Maria M Rosado, Agnese Cavola, Marco Chierici, Luisa Pieroni, Andrea Urbani, Rita Carsetti, Isabella Lante, Bruno Dallapiccola, Lorenza Putignani
At birth, contact with external stimuli, such as nutrients derived from food, is necessary to modulate the symbiotic balance between commensal and pathogenic bacteria, protect against bacterial dysbiosis, and initiate the development of the mucosal immune response. Among a variety of different feeding patterns, breastfeeding represents the best modality. In fact, the capacity of breast milk to modulate the composition of infants' gut microbiota leads to beneficial effects on their health. In this study, we used newborn mice as a model to evaluate the effect of parental genetic background (i...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27724923/effects-of-probiotics-vivomixx%C3%A2-in-obese-pregnant-women-and-their-newborn-study-protocol-for-a-randomized-controlled-trial
#18
Sofie Ingdam Halkjaer, Lisbeth Nilas, Emma Malchau Carlsen, Dina Cortes, Thórhallur Ingi Halldórsson, Sjúrdur Frodi Olsen, Anders Elm Pedersen, Karen Angeliki Krogfelt, Andreas Munk Petersen
BACKGROUND: Maternal obesity is associated with increased risks of adverse pregnancy-related complications and outcomes for both mothers and infants. Overweight and obese women have an increased risk of pregnancy-induced hypertension, preeclampsia and gestational diabetes mellitus (GDM). Infant Body Mass index (BMI) and the risk of obesity in adulthood are related to maternal gestational weight gain (GWG). Preventive lifestyle and dietary interventions are time-consuming and do not always reduce GWG or the risk of maternal pregnancy complications...
October 11, 2016: Trials
https://www.readbyqxmd.com/read/27702710/fructans-in-the-first-1000-days-of-life-and-beyond-and-for-pregnancy
#19
REVIEW
Agus Firmansyah, Nalinee Chongviriyaphan, Drupadi Hs Dillon, Nguyen Cong Khan, Tatsuya Morita, Kraisid Tontisirin, Le Danh Tuyen, Weiping Wang, Jacques Bindels, Paul Deurenberg, Sherlin Ong, Jo Hautvast, Diederick Meyer, Elaine E Vaughan
Inulin-based prebiotics are non-digestible polysaccharides that influence the composition of the gut microbiota in infants and children, notably eliciting a bifidogenic effect with high short chain fatty acid levels. Inulin, a generic term that comprises β-(2,1)-linked linear fructans, is typically isolated from the chicory plant root, and derivatives such as oligofructose and long chain inulin appear to have different physiological properties. The first 1000 days of a child's life are increasingly recognized as a critical timeframe for health also into adulthood, whereby nutrition plays a key role...
December 2016: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27698614/gut-microbiome-and-infant-health-brain-gut-microbiota-axis-and-host-genetic-factors
#20
REVIEW
Xiaomei Cong, Wanli Xu, Rachael Romisher, Samantha Poveda, Shaina Forte, Angela Starkweather, Wendy A Henderson
The development of the neonatal gut microbiome is influenced by multiple factors, such as delivery mode, feeding, medication use, hospital environment, early life stress, and genetics. The dysbiosis of gut microbiota persists during infancy, especially in high-risk preterm infants who experience lengthy stays in the Neonatal intensive care unit (NICU). Infant microbiome evolutionary trajectory is essentially parallel with the host (infant) neurodevelopmental process and growth. The role of the gut microbiome, the brain-gut signaling system, and its interaction with the host genetics have been shown to be related to both short and long term infant health and bio-behavioral development...
September 2016: Yale Journal of Biology and Medicine
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