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Infant microbiota

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https://www.readbyqxmd.com/read/28340001/early-life-origin-of-intestinal-inflammatory-disorders
#1
Delphine Ley, Jean-Luc Desseyn, Mona Mischke, Jan Knol, Dominique Turck, Frédéric Gottrand
A growing body of evidence supports the concept of perinatal programming through which the perinatal environment affects the development of the fetus and infant, thereby modifying the risk profile for disease later in life. Increasing attention is focusing on the role of the early environment in the development of chronic intestinal disorders. Epidemiological studies have highlighted the link between perinatal factors, such as breastfeeding, cesarean delivery, and antibiotic use, and an increased risk for inflammatory bowel disease and/or celiac disease...
March 7, 2017: Nutrition Reviews
https://www.readbyqxmd.com/read/28321211/first-foods-and-gut-microbes
#2
Martin F Laursen, Martin I Bahl, Kim F Michaelsen, Tine R Licht
The establishment of the human gut microbiota in early life has been associated with later health and disease. During the 1st months after birth, the microbial composition in the gut is known to be affected by the mode of delivery, use of antibiotics, geographical location and type of feeding (breast/formula). Consequently, the neonatal period and early infancy has attracted much attention. However, after this first period the gut microbial composition continues to develop until the age of 3 years, and these 1st years have been designated "a window of opportunity" for microbial modulation...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28318126/infant-colic-is-still-a-mysterious-disorder-of-the-microbiota-gut-brain-axis
#3
EDITORIAL
Anna Pärtty, Marko Kalliomäki
No abstract text is available yet for this article.
April 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28317399/recent-advances-in-pediatric-celiac-disease
#4
Grace J Lee, John Y Kao
The incidence of celiac disease (CD) has increased over the last half-century, resulting in rising interest in identifying risk factors for CD. The necessity of duodenal biopsies in the diagnosis of CD has recently been challenged. Areas covered: This review covers the recent literature regarding the role of infant feeding practices, including breastfeeding and timing of gluten introduction, and the microbiota in the development of CD. Additionally, the application of the European Society for Pediatric Gastroenterology, Hepatology, and Nutrition guidelines for a non-biopsy approach to the diagnosis of CD is reviewed...
March 20, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28316967/the-role-of-mucosal-immunity-in-the-pathogenesis-of-necrotizing-enterocolitis
#5
REVIEW
Zerina Hodzic, Alexa M Bolock, Misty Good
Necrotizing enterocolitis (NEC) is the most devastating gastrointestinal disease of prematurity. Although the precise cause is not well understood, the main risk factors thought to contribute to NEC include prematurity, formula feeding, and bacterial colonization. Recent evidence suggests that NEC develops as a consequence of intestinal hyper-responsiveness to microbial ligands upon bacterial colonization in the preterm infant, initiating a cascade of aberrant signaling events, and a robust pro-inflammatory mucosal immune response...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28316118/late-preterm-birth-has-direct-and-indirect-effects-on-infant-gut-microbiota-development-during-the-first-six-months-of-life
#6
M Forsgren, E Isolauri, S Salminen, S Rautava
AIM: Preterm infants display aberrant gut microbial colonisation. We investigated whether the differences in gut microbiota between late preterm and full-term infants results from prematurity or external exposures. METHODS: This study comprised 43 late preterm infants (34(0/7) - 36(6/7) ) and 75 full-term infants based on faecal samples collected following birth and at two to four weeks and six months of age. We assessed clinically relevant bacteria using quantitative polymerase chain reaction...
March 17, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28315860/determinants-and-duration-of-impact-of-early-gut-bacterial-colonization
#7
Christine Ann Edwards
BACKGROUND: An increasing number of studies show low diversity of the gut microbiome in those with chronic diseases such as obesity, inflammatory bowel disease, and allergy. Manipulation of the microbiota may promote health. However, the adult microbiota is stable and may be difficult to change. Understanding the fixed and modifiable factors, which determine colonization in early life, may provide strategies for acquisition of a health-promoting microbiome. SUMMARY: Not enough is known about the long-term effects of established determinants of gut colonization, including delivery mode, perinatal antibiotics, and infant diet...
March 18, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28306146/the-relationship-between-nasopharyngeal-ccl5-and-microbiota-on-disease-severity-among-infants-with-bronchiolitis
#8
Kohei Hasegawa, Jonathan M Mansbach, Nadim J Ajami, Joseph F Petrosino, Robert J Freishtat, Stephen J Teach, Pedro A Piedra, Carlos A Camargo
Emerging evidence suggests that the airway microbiota plays an important role in viral bronchiolitis pathobiology. However, little is known about the combined role of airway microbiota and CCL5 in infants with bronchiolitis. In this multicenter prospective cohort study of 1,005 infants (age <1 year) hospitalized for bronchiolitis during 2011-2014, we observed statistically-significant interactions between nasopharyngeal airway CCL5 levels and microbiota profiles with regard to the risk of both intensive care use (Pinteraction =0...
March 17, 2017: Allergy
https://www.readbyqxmd.com/read/28302207/-a-preliminary-analysis-of-changes-in-composition-of-intestinal-microbiota-during-infancy-using-polymerase-chain-reaction-denaturing-gradient-gel-electrophoresis
#9
Shan-Shan Li, Jun-Jie Miao, Zi-Xi Wu, Jian-Rong Yao, Ming Li, Qian Yu, Fang He
OBJECTIVE: To investigate the composition of bacteria in the stools of infants and the colonization of intestinal microbiota during infancy. METHODS: Fresh stools were collected from 15 healthy infants at 0, 2, 4, 7, 10, 14, and 28 days and 3, 6, and 12 months after birth. Polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE) was used to analyze the composition of intestinal microbiota, perform sequencing of dominant bacteria, and to analyze the changes in the composition of intestinal microbiota during infancy...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28301837/breast-milk-polyamines-and-microbiota-interactions-impact-of-mode-of-delivery-and-geographical-location
#10
Carlos Gómez-Gallego, Himanshu Kumar, Izaskun García-Mantrana, Elloise du Toit, Jukka-Pekka Suomela, Kaisa M Linderborg, Yumei Zhang, Erika Isolauri, Baoru Yang, Seppo Salminen, M Carmen Collado
BACKGROUND/AIMS: The aim of the present study was to identify and quantify the polyamine levels in human milk obtained from different countries and through different modes of delivery, and to investigate their association with breast milk microbes. METHODS: Mature breast milk samples were obtained from 78 healthy mothers after 1 month of lactation from 4 different geographical locations: Finland, Spain (Europe); South Africa (Africa); and China (Asia). Polyamines were determined using HPLC after dansyl derivatization and milk microbiota was obtained by 16S rRNA gene sequencing...
March 17, 2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28298536/pasteurization-procedures-for-donor-human-milk-affect-body-growth-intestinal-structure-and-resistance-against-bacterial-infections-in-preterm-pigs
#11
Yanqi Li, Duc Ninh Nguyen, Marita de Waard, Lars Christensen, Ping Zhou, Pingping Jiang, Jing Sun, Anders Miki Bojesen, Charlotte Lauridsen, Jens Lykkesfeldt, Trine Kastrup Dalsgaard, Stine Brandt Bering, Per Torp Sangild
Background: Holder pasteurization (HP) destroys multiple bioactive factors in donor human milk (DM), and UV-C irradiation (UVC) is potentially a gentler method for pasteurizing DM for preterm infants.Objective: We investigated whether UVC-treated DM improves gut maturation and resistance toward bacterial infections relative to HP-treated DM.Methods: Bacteria, selected bioactive components, and markers of antioxidant capacity were measured in unpasteurized donor milk (UP), HP-treated milk, and UVC-treated milk (all from the same DM pool)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28294281/mice-exposed-to-infant-formula-enriched-with-polyamines-impact-on-host-transcriptome-and-microbiome
#12
Carlos Gómez-Gallego, María García Romo, Rafael Frías, María Jesús Periago, Gaspar Ros, Seppo Salminen, Maria C Collado
Previous studies using a BALB/cOlaHsd model have shown the impact that the supplementation of infant formula with polyamines has on the modulation of microbial colonization and immune system development. To contribute to deciphering and identifying new complex interactions underlying the host response to polyamines, a systems biology approach integrating data from microbiota along the gastrointestinal tract, lymphocyte populations and immune system gene expression analysis of a lactating mice model fed different diets was carried out...
March 15, 2017: Food & Function
https://www.readbyqxmd.com/read/28288222/-the-benefits-of-breastfeeding-and-associated-risks-of-replacement-with-baby-formulas
#13
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/28272161/association-of-maternal-gestational-weight-gain-with-the-infant-fecal-microbiota
#14
Alyssa Robinson, Lauren Fiechtner, Brianna Roche, Nadim J Ajami, Joseph F Petrosino, Carlos A Camargo, Elsie M Taveras, Kohei Hasegawa
OBJECTIVES: Pregnancy characteristics may influence the infant fecal microbiota during early life. We aimed to examine associations of maternal gestational weight gain with infant fecal microbiota composition, bacterial community richness, and Shannon diversity index. METHODS: We analyzed data from a prospective cohort study of healthy infants. We collected prenatal data, including report of mother's gestational weight gain, and infant fecal samples from 84 infant-mother dyads...
March 7, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28267044/mutations-in-interleukin-10-receptor-and-clinical-phenotypes-in-patients-with-very-early-onset-inflammatory-bowel-disease-a-chinese-veo-ibd-collaboration-group-survey
#15
Zhiheng Huang, Kaiyue Peng, Xiaoqin Li, Ruiqin Zhao, Jieyu You, Xiuyong Cheng, Zhaoxia Wang, Ying Wang, Bingbing Wu, Huijun Wang, Huasong Zeng, Zhuowen Yu, Cuifang Zheng, Yuesheng Wang, Ying Huang
BACKGROUND: Interleukin-10 (IL10) signaling plays an important role in the pathogenesis of very early onset inflammatory bowel disease (VEO-IBD) in children. However, little is known about the role of the IL10 axis in children with VEO-IBD in China. METHODS: The Chinese VEO-IBD Collaboration Group was created to collect clinical and genetic data from patients deficient in IL10 and the IL10 receptor. High-throughput sequencing was performed to identify mutations in these genes...
April 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28261667/protein-malnutrition-modifies-innate-immunity-and-gene-expression-by-intestinal-epithelial-cells-and-human-rotavirus-infection-in-neonatal-gnotobiotic-pigs
#16
Anastasia N Vlasova, Francine C Paim, Sukumar Kandasamy, Moyasar A Alhamo, David D Fischer, Stephanie N Langel, Loic Deblais, Anand Kumar, Juliet Chepngeno, Lulu Shao, Huang-Chi Huang, Rosario A Candelero-Rueda, Gireesh Rajashekara, Linda J Saif
Malnutrition affects millions of children in developing countries, compromising immunity and contributing to increased rates of death from infectious diseases. Rotavirus is a major etiological agent of childhood diarrhea in developing countries, where malnutrition is prevalent. However, the interactions between the two and their combined effects on immune and intestinal functions are poorly understood. In this study, we used neonatal gnotobiotic (Gn) pigs transplanted with the fecal microbiota of a healthy 2-month-old infant (HIFM) and fed protein-deficient or -sufficient bovine milk diets...
March 2017: MSphere
https://www.readbyqxmd.com/read/28261214/the-influence-of-the-microbiome-on-early-life-severe-viral-lower-respiratory-infections-and-asthma-food-for-thought
#17
REVIEW
Jason P Lynch, Md Al Amin Sikder, Bodie F Curren, Rhiannon B Werder, Jennifer Simpson, Páraic Ó Cuív, Paul G Dennis, Mark L Everard, Simon Phipps
Severe viral lower respiratory infections are a major cause of infant morbidity. In developing countries, respiratory syncytial virus (RSV)-bronchiolitis induces significant mortality, whereas in developed nations the disease represents a major risk factor for subsequent asthma. Susceptibility to severe RSV-bronchiolitis is governed by gene-environmental interactions that affect the host response to RSV infection. Emerging evidence suggests that the excessive inflammatory response and ensuing immunopathology, typically as a consequence of insufficient immunoregulation, leads to long-term changes in immune cells and structural cells that render the host susceptible to subsequent environmental incursions...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28253911/childhood-bmi-in-relation-to-microbiota-in-infancy-and-lifetime-antibiotic-use
#18
K Korpela, M A C Zijlmans, M Kuitunen, K Kukkonen, E Savilahti, A Salonen, C de Weerth, W M de Vos
BACKGROUND: Children with high body mass index (BMI) at preschool age are at risk of developing obesity. Early identification of factors that increase the risk of excessive weight gain could help direct preventive actions. The intestinal microbiota and antibiotic use have been identified as potential modulators of early metabolic programming and weight development. To test if the early microbiota composition is associated with later BMI, and if antibiotic use modifies this association, we analysed the faecal microbiota composition at 3 months and the BMI at 5-6 years in two cohorts of healthy children born vaginally at term in the Netherlands (N = 87) and Finland (N = 75)...
March 3, 2017: Microbiome
https://www.readbyqxmd.com/read/28240736/antibiotic-treatment-at-delivery-shapes-the-initial-oral-microbiome-in-neonates
#19
Luisa F Gomez-Arango, Helen L Barrett, H David McIntyre, Leonie K Callaway, Mark Morrison, Marloes Dekker Nitert
Oral microorganisms are important determinants of health and disease. The source of the initial neonatal microbiome and the factors dictating initial human oral microbiota development are unknown. This study aimed to investigate this in placental, oral and gut microbiome profiles from 36 overweight or obese mother-baby dyads as determined by 16S rRNA sequencing. Expression of five antibiotic resistance genes of the β-lactamase class was analysed in the infant oral microbiota samples by QPCR. The neonatal oral microbiota was 65...
February 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28228752/intestinal-microbiota-and-weight-gain-in-preterm-neonates
#20
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
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