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Microbiome pregnancy

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https://www.readbyqxmd.com/read/27926431/the-oral-microbiome-in-health-and-its-implication-in-oral-and-systemic-diseases
#1
B Sampaio-Maia, I M Caldas, M L Pereira, D Pérez-Mongiovi, R Araujo
The oral microbiome can alter the balance between health and disease, locally and systemically. Within the oral cavity, bacteria, archaea, fungi, protozoa, and viruses may all be found, each having a particular role, but strongly interacting with each other and with the host, in sickness or in health. A description on how colonization occurs and how the oral microbiome dynamically evolves throughout the host's life is given. In this chapter the authors also address oral and nonoral conditions in which oral microorganisms may play a role in the etiology and progression, presenting the up-to-date knowledge on oral dysbiosis as well as the known underlying pathophysiologic mechanisms involving oral microorganisms in each condition...
2016: Advances in Applied Microbiology
https://www.readbyqxmd.com/read/27906710/who-s-your-daddy-paternal-inheritance-of-metabolic-disease-risk
#2
Elvira Isganaitis, Harumi Suehiro, Connie Cardona
PURPOSE OF REVIEW: Although the importance of optimizing mothers' health prior to conception and during pregnancy is now well accepted, recent data also implicate health and nutritional status of fathers as contributors to chronic disease risk in their progeny. This brief review will highlight recent epidemiological and experimental studies linking paternal overnutrition, undernutrition, and other forms of stress, to metabolic disease in the offspring. RECENT FINDINGS: The past 2 years have brought tremendous insights into the mechanisms by which paternal exposures can contribute to disease susceptibility in the next generation...
November 30, 2016: Current Opinion in Endocrinology, Diabetes, and Obesity
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
#3
N T Mueller, G Mao, W Bennet, S 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 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 5y (range 2...
November 30, 2016: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/27876117/neonatal-abstinence-syndrome-and-the-gastrointestinal-tract
#4
Denise Maguire, Maureen Gröer
Development of a healthy gut microbiome is essential in newborns to establish immunity and protection from pathogens. Recent studies suggest that infants who develop dysbiosis may be at risk for lifelong adverse health consequences. Exposure to opioid drugs during pregnancy is a factor of potential importance for microbiome health that has not yet been investigated. Since these infants are born after an entire gestation exposed to mu opioid receptor agonists and have severe gastrointestinal and neurological symptoms, we hypothesize that these infants are at risk for dysbiosis...
December 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27863092/associations-between-changes-in-the-maternal-gut-microbiome-and-differentially-methylated-regions-of-diabetes-associated-genes-in-fetuses-a-pilot-study-from-a-birth-cohort-study
#5
Kaori Tachibana, Kenichi Sakurai, Masahiro Watanabe, Hidenobu Miyaso, Chisato Mori
Several intrauterine environmental factors may increase the future risk of type 2 diabetes. The microbiome can influence the balance between health and disease. However, the influence of the maternal gut microbiome on the future risk of diabetes in the fetus is unknown. The present study investigated the associations between maternal gut microbiome and differentially methylated regions of diabetes-associated genes in umbilical cord samples. This study included 10 pregnant participants from a birth cohort study...
November 18, 2016: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/27832763/a-comparison-of-intestinal-microbiota-in-a-population-of-low-risk-infants-exposed-and-not-exposed-to-intrapartum-antibiotics-the-baby-microbiota-of-the-intestine-cohort-study-protocol
#6
Julia Simioni, Eileen K Hutton, Elizabeth Gunn, Alison C Holloway, Jennifer C Stearns, Helen McDonald, Andrea Mousseau, Jonathan D Schertzer, Elyanne M Ratcliffe, Lehana Thabane, Michael G Surette, Katherine M Morrison
BACKGROUND: The intestinal microbiota influences metabolic, nutritional, and immunologic processes and has been associated with a broad range of adverse health outcomes including asthma, obesity and Type 2 diabetes. Early life exposures may alter the course of gut microbial colonization leading to differences in metabolic and immune regulation throughout life. Although approximately 50 % of low-risk full-term infants born in Canada are exposed to intrapartum antibiotics, little is known about the influence of this common prophylactic treatment on the developing neonatal intestinal microbiota...
November 10, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27832586/the-human-microbiome-before-birth
#7
Martin J Blaser, Maria G Dominguez-Bello
The conservation of the microbiota within humans and other hominids suggests an ancient assembly that has been selected to optimize host fitness. Pregnancy induces changes in the maternal microbiome just before the intergenerational hand-off of the microbiota. Interventions, including peri-partum antibiotics and Cesarean sections, may have unintended effects on babies.
November 9, 2016: Cell Host & Microbe
https://www.readbyqxmd.com/read/27815091/infection-and-antibiotic-use-in-infancy-and-risk-of-childhood-obesity-a-longitudinal-birth-cohort-study
#8
De-Kun Li, Hong Chen, Jeannette Ferber, Roxana Odouli
BACKGROUND: Data from previous studies have suggested a possible association between antibiotic use in infancy and risk of childhood obesity, with implications for health-care delivery and obesity prevention strategies. However, whether the observed association was due to antibiotic use or underlying infection, or both, is unclear. We aimed to disentangle the effect of antibiotic use in infancy from that of underlying infection on the risk of childhood obesity. METHODS: In this longitudinal birth cohort study, we included infants in the Kaiser Permanente Northern California population born between Jan 1, 1997, and March 31, 2013...
November 1, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27746239/factors-influencing-the-infant-gut-microbiome-at-age-3-6%C3%A2-months-findings-from-the-ethnically-diverse-vitamin-d-antenatal-asthma-reduction-trial-vdaart
#9
Joanne E Sordillo, Yanjiao Zhou, Michael J McGeachie, John Ziniti, Nancy Lange, Nancy Laranjo, Jessica R Savage, Vincent Carey, George O'Connor, Megan Sandel, Robert Strunk, Leonard Bacharier, Robert Zeiger, Scott T Weiss, George Weinstock, Diane R Gold, Augusto A Litonjua
BACKGROUND: The gut microbiome in infancy influences immune system maturation, and may have an important impact on allergic disease risk. OBJECTIVE: We sought to determine how prenatal and early life factors impact the gut microbiome in a relatively large, ethnically diverse study population of infants at age 3 to 6 months, who were enrolled in Vitamin D Antenatal Asthma Reduction Trial, a clinical trial of vitamin D supplementation in pregnancy to prevent asthma and allergies in offspring...
October 13, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27743978/influence-of-maternal-obesity-on-the-long-term-health-of-offspring
#10
Keith M Godfrey, Rebecca M Reynolds, Susan L Prescott, Moffat Nyirenda, Vincent W V Jaddoe, Johan G Eriksson, Birit F P Broekman
In addition to immediate implications for pregnancy complications, increasing evidence implicates maternal obesity as a major determinant of offspring health during childhood and later adult life. Observational studies provide evidence for effects of maternal obesity on her offspring's risks of obesity, coronary heart disease, stroke, type 2 diabetes, and asthma. Maternal obesity could also lead to poorer cognitive performance and increased risk of neurodevelopmental disorders, including cerebral palsy. Preliminary evidence suggests potential implications for immune and infectious-disease-related outcomes...
October 10, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27717732/evidence-that-the-endometrial-microbiota-has-an-effect-on-implantation-success-or-failure
#11
Inmaculada Moreno, Francisco M Codoñer, Felipe Vilella, Diana Valbuena, Juan F Martinez-Blanch, Jorge Jimenez-Almazán, Roberto Alonso, Pilar Alamá, Jose Remohí, Antonio Pellicer, Daniel Ramon, Carlos Simon
BACKGROUND: Bacterial cells in the human body account for 1-3% of total body weight and are at least equal in number to human cells. Recent research has focused on understanding how the different bacterial communities in the body (eg, gut, respiratory, skin, and vaginal microbiomes) predispose to health and disease. The microbiota of the reproductive tract has been inferred from the vaginal bacterial communities, and the uterus has been classically considered a sterile cavity. However, while the vaginal microbiota has been investigated in depth, there is a paucity of consistent data regarding the existence of an endometrial microbiota and its possible impact in reproductive function...
December 2016: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27702710/fructans-in-the-first-1000-days-of-life-and-beyond-and-for-pregnancy
#12
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/27686144/impact-of-maternal-nutrition-in-pregnancy-and-lactation-on-offspring-gut-microbial-composition-and-function
#13
Derrick M Chu, Kristen M Meyer, Amanda L Prince, Kjersti M Aagaard
Evidence supporting the Developmental Origins of Health and Disease Hypothesis indicates that maternal nutrition in pregnancy has a significant impact on offspring disease risk later in life, likely by modulating developmental processes in utero. Gut microbiota have recently been explored as a potential mediating factor, as dietary components strongly influence microbiota abundance, function and its impact on host physiology. A growing body of evidence has additionally indicated that the intrauterine environment is not sterile as once presumed, indicating that maternal-fetal transmission of microbiota may occur during pregnancy...
September 29, 2016: Gut Microbes
https://www.readbyqxmd.com/read/27612939/the-role-of-the-bacterial-microbiota-on-reproductive-and-pregnancy-health
#14
Deborah B Nelson, L Christie Rockwell, Morgan D Prioleau, Laura Goetzl
Recent assessments have examined the composition of bacterial communities influencing reproductive, pregnancy and infant health. The Microbiome Project has made great strides in sequencing the microbiome and identifying the vast communities of microorganisms that inhabit our bodies and much work continues to examine the individual contribution of bacteria on health and disease to inform future therapies. This review explores the current literature outlining the contribution of important bacteria on reproductive health among sexually active men and women, outlines gaps in current research to determine causal and interventional relationships, and suggests future research initiatives...
September 6, 2016: Anaerobe
https://www.readbyqxmd.com/read/27558272/joint-effects-of-pregnancy-sociocultural-and-environmental-factors-on-early-life-gut-microbiome-structure-and-diversity
#15
Albert M Levin, Alexandra R Sitarik, Suzanne L Havstad, Kei E Fujimura, Ganesa Wegienka, Andrea E Cassidy-Bushrow, Haejin Kim, Edward M Zoratti, Nicholas W Lukacs, Homer A Boushey, Dennis R Ownby, Susan V Lynch, Christine C Johnson
The joint impact of pregnancy, environmental, and sociocultural exposures on early life gut microbiome is not yet well-characterized, especially in racially and socioeconomically diverse populations. Gut microbiota of 298 children from a Detroit-based birth cohort were profiled using 16S rRNA sequencing: 130 neonates (median age = 1.2 months) and 168 infants (median age = 6.6 months). Multiple factors were associated with neonatal gut microbiome composition in both single- and multi-factor models, with independent contributions of maternal race-ethnicity, breastfeeding, mode of delivery, marital status, exposure to environmental tobacco smoke, and indoor pets...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27556678/longitudinal-study-on-clinical-and-microbial-analysis-of-periodontal-status-in-pregnancy
#16
Fernanda Campos Machado, Dionéia Evangelista Cesar, Ana Carolina Morais Apolônio, Luiz Claudio Ribeiro, Rosangela Almeida Ribeiro
This study was aimed to provide a longitudinal overview of the subgingival bacterial microbiome using fluorescence in situ hybridization (FISH) technique, in women in the second trimester of pregnancy (between 14 and 24 weeks), and 48 h and 8 weeks postpartum. Of 31 women evaluated during pregnancy, 24 returned for the 48-h and 18 for their 8-week exams postpartum. Probing depth (PD), bleeding on probing, clinical attachment level, and presence of calculus were recorded. Subgingival plaque samples were collected, and FISH was used to identify the numbers of eight periodontal pathogens...
August 22, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/27503374/the-early-infant-gut-microbiome-varies-in-association-with-a-maternal-high-fat-diet
#17
Derrick M Chu, Kathleen M Antony, Jun Ma, Amanda L Prince, Lori Showalter, Michelle Moller, Kjersti M Aagaard
BACKGROUND: Emerging evidence suggests that the in utero environment is not sterile as once presumed. Work in the mouse demonstrated transmission of commensal bacteria from mother to fetus during gestation, though it is unclear what modulates this process. We have previously shown in the nonhuman primate that, independent of obesity, a maternal high-fat diet during gestation and lactation persistently shapes the juvenile gut microbiome. We therefore sought to interrogate in a population-based human longitudinal cohort whether a maternal high-fat diet similarly alters the neonatal and infant gut microbiome in early life...
2016: Genome Medicine
https://www.readbyqxmd.com/read/27490741/gestational-diabetes-is-associated-with-changes-in-placental-microbiota-and-microbiome
#18
Judit Bassols, Matteo Serino, Gemma Carreras-Badosa, Rémy Burcelin, Vincent Blasco-Baque, Abel Lopez-Bermejo, José-Manuel Fernandez-Real
BACKGROUND: The human microbiota is a modulator of the immune system. Variations in the placental microbiota could be related with pregnancy disorders. We profiled the placental microbiota and microbiome in women with gestational diabetes (GDM) and studied its relation to maternal metabolism and placental expression of anti-inflammatory cytokines. METHODS: Placental microbiota and microbiome and expression of anti-inflammatory cytokines (IL10, TIMP3, ITGAX, and MRC1MR) were analyzed in placentas from women with GDM and from control women...
December 2016: Pediatric Research
https://www.readbyqxmd.com/read/27488896/relationship-between-vaginal-microbial-dysbiosis-inflammation-and-pregnancy-outcomes-in-cervical-cerclage
#19
Lindsay M Kindinger, David A MacIntyre, Yun S Lee, Julian R Marchesi, Ann Smith, Julie A K McDonald, Vasso Terzidou, Joanna R Cook, Christoph Lees, Fidan Israfil-Bayli, Yazmin Faiza, Philip Toozs-Hobson, Mark Slack, Stefano Cacciatore, Elaine Holmes, Jeremy K Nicholson, T G Teoh, Phillip R Bennett
Preterm birth, the leading cause of death in children under 5 years, may be caused by inflammation triggered by ascending vaginal infection. About 2 million cervical cerclages are performed annually to prevent preterm birth. The procedure is thought to provide structural support and maintain the endocervical mucus plug as a barrier to ascending infection. Two types of suture material are used for cerclage: monofilament or multifilament braided. Braided sutures are most frequently used, although no evidence exists to favor them over monofilament sutures...
August 3, 2016: Science Translational Medicine
https://www.readbyqxmd.com/read/27471494/microbial-changes-during-pregnancy-birth-and-infancy
#20
REVIEW
Meital Nuriel-Ohayon, Hadar Neuman, Omry Koren
Several healthy developmental processes such as pregnancy, fetal development, and infant development include a multitude of physiological changes: weight gain, hormonal, and metabolic changes, as well as immune changes. In this review, we present an additional important factor which both influences and is affected by these physiological processes-the microbiome. We summarize the known changes in microbiota composition at a variety of body sites including gut, vagina, oral cavity, and placenta, throughout pregnancy, fetal development, and early childhood...
2016: Frontiers in Microbiology
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