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Microbiome pregnancy

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https://www.readbyqxmd.com/read/28303750/the-gut-microbiome-obesity-and-weight-control-in-women-s-reproductive-health
#1
K Leigh Greathouse, Mary Ann Faucher, Marie Hastings-Tolsma
The microbes residing in the human gut, referred to as the microbiome, are intricately linked to energy homeostasis and subsequently obesity. Integral to the origins of obesity, the microbiome is believed to affect not only health of the human gut but also overall health. This microbiome-obesity association is mediated through the process of energy extraction, metabolism, and cross talk between the brain and the gut microbiome. Host exposures, including diet, that potentially modify genetic predisposition to obesity and affect weight management are reviewed...
March 1, 2017: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/28292617/obesity-pandemic-causes-consequences-and-solutions-but-do-we-have-the-will
#2
REVIEW
David R Meldrum, Marge A Morris, Joseph C Gambone
Obesity has become pandemic owing to an obesogenic environment (inexpensive calorie dense food, technologies and structure of communities that reduce or replace physical activity, and inexpensive nonphysical entertainment) and excessive emphasis on low fat intake resulting in excessive intake of simple carbohydrates and sugar. Effects are greater for women owing to their smaller size and extra weight gain with each pregnancy, with 38% of American adult women being obese. Women are responsible for more than three-fourths of the more than 400 billion dollars of excess direct health care expenditures due to obesity...
March 11, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28282253/introduction-to-the-special-focus-issue-on-the-impact-of-diet-on-gut-microbiota-composition-and-function-and-future-opportunities-for-nutritional-modulation-of-the-gut-microbiome-to-improve-human-health
#3
Sharon M Donovan
Over the past decade, application of culture-independent, next generation DNA sequencing has dramatically enhanced our understanding of the composition of the gut microbiome and its association with human states of health and disease. Host genetics, age, and environmental factors such as where and who you live with, use of pre-, pro- and antibiotics, exercise and diet influence the short- and long-term composition of the microbiome. Dietary intake is a key determinant of microbiome composition and diversity and studies to date have linked long-term dietary patterns as well as short-term dietary interventions to the composition and diversity of the gut microbiome...
February 28, 2017: Gut Microbes
https://www.readbyqxmd.com/read/28266645/stress-during-pregnancy-alters-temporal-and-spatial-dynamics-of-the-maternal-and-offspring-microbiome-in-a-sex-specific-manner
#4
Eldin Jašarević, Christopher D Howard, Ana M Misic, Daniel P Beiting, Tracy L Bale
The microbiome is a regulator of host immunity, metabolism, neurodevelopment, and behavior. During early life, bacterial communities within maternal gut and vaginal compartments can have an impact on directing these processes. Maternal stress experience during pregnancy may impact offspring development by altering the temporal and spatial dynamics of the maternal microbiome during pregnancy. To examine the hypothesis that maternal stress disrupts gut and vaginal microbial dynamics during critical prenatal and postnatal windows, we used high-resolution 16S rRNA marker gene sequencing to examine outcomes in our mouse model of early prenatal stress...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28252577/maternal-child-microbiome-specimen-collection-storage-and-implications-for-research-and-practice
#5
Sheila Jordan, Brenda Baker, Alexis Dunn, Sara Edwards, Erin Ferranti, Abby D Mutic, Irene Yang, Jeannie Rodriguez
BACKGROUND: The maternal microbiome is a key contributor to the development and outcomes of pregnancy and the health status of both mother and infant. Significant advances are occurring in the science of the maternal and child microbiome and hold promise in improving outcomes related to pregnancy complications, child development, and chronic health conditions of mother and child. OBJECTIVES: The purpose of this study was to review site-specific considerations in the collection and storage of maternal and child microbiome samples and its implications for nursing research and practice...
March 2017: Nursing Research
https://www.readbyqxmd.com/read/28224678/microbiome-autoimmunity-allergy-and-helminth-infection-the-importance-of-the-pregnancy-period
#6
Xian Chen, Su Liu, Qiao Tan, Yehuda Shoenfeld, Yong Zeng
Pregnancy is a special physical period in reproductive age women, which has a beneficial influence on the course of certain autoimmune diseases. It has been recently suggested that the microbiome undergoes profound changes during pregnancy that are associated with host physiological and immunological adaptations. The maternal microbiome remodeling during pregnancy is an active response of the mother, possibly to alter immune system status and to facilitate metabolic and immunological adaptations, which are needed for a successful pregnancy...
February 21, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28178052/fecal-microbiota-transplant-for-clostridium-difficile-infection-in-a-pregnant-patient
#7
Bejan J Saeedi, Doree Gardner Morison, Colleen S Kraft, Tanvi Dhere
BACKGROUND: Clostridium difficile infection has been associated with negative outcomes in the general population and in pregnant patients. Fecal microbiota transplant has become the standard for treatment of recurrent as well as refractory C difficile infection. CASE: We present a case of a 28-year-old pregnant woman who presented with recurrent C difficile infection despite treatment with vancomycin and fidaxomicin and underwent a successful fecal microbiota transplant through colonoscopy at 18 weeks of gestation...
March 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28176229/charting-the-maternal-and-infant-microbiome-what-is-the-role-of-diabetes-and-obesity-in-pregnancy
#8
REVIEW
Sirtaj Singh, Margaret R Karagas, Noel T Mueller
PURPOSE OF REVIEW: The purpose of this review is to summarize the evidence on whether diabetes, obesity, and related metabolic derangements during pregnancy are associated with the maternal and infant microbiomes, and to identify gaps in the literature and offer guidance on future research on this topic. RECENT FINDINGS: We found circumstantial evidence from four observational studies that the maternal gut microbiome was associated with either pre-pregnancy body mass index, gestational weight gain, gestational diabetes, and/or related metabolic biomarkers in pregnancy; we did not identify any studies that examined whether the vaginal microbiome varied according to these metabolic parameters...
February 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28160578/oral-yeast-colonization-throughout-pregnancy
#9
R Rio, L Simões-Silva, S Garro, M-J Silva, Á Azevedo, B Sampaio-Maia
BACKGROUND: Recent studies suggest that placenta may harbour a unique microbiome that may have origin in maternal oral microbiome. Although the major physiological and hormonal adjustments observed in pregnant women lead to biochemical and microbiological modifications of the oral environment, very few studies evaluated the changes suffered by the oral microbiota throughout pregnancy. So, the aim of our study was to evaluate oral yeast colonization throughout pregnancy and to compare it with non-pregnant women...
March 1, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28103920/ovarian-cycling-and-reproductive-state-shape-the-vaginal-microbiota-in-wild-baboons
#10
Elizabeth A Miller, Joshua A Livermore, Susan C Alberts, Jenny Tung, Elizabeth A Archie
BACKGROUND: The vaginal microbiome is an important site of bacterial-mammalian symbiosis. This symbiosis is currently best characterized for humans, where lactobacilli dominate the microbial community and may help defend women against infectious disease. However, lactobacilli do not dominate the vaginal microbiota of any other mammal studied to date, raising key questions about the forces that shape the vaginal microbiome in non-human mammals. RESULTS: We used Illumina sequencing of the bacterial 16S rRNA gene to investigate variation in the taxonomic composition of the vaginal microbiota in 48 baboons (Papio cynocephalus), members of a well-studied wild population in Kenya...
January 19, 2017: Microbiome
https://www.readbyqxmd.com/read/28088397/antibiotics-in-pregnancy-increase-children-s-risk-of-otitis-media-and-ventilation-tubes
#11
Tine Marie Pedersen, Jakob Stokholm, Jonathan Thorsen, Anna-Rosa Cecilie Mora-Jensen, Hans Bisgaard
OBJECTIVES: To study the association between antibiotic intake in pregnancy and the development of otitis media and placement of ventilation tubes (VTs) in the offspring under the hypothesis that antibiotics in pregnancy may alter the offspring's propensity for disease. STUDY DESIGN: Data from the 700 children in the Copenhagen Prospective Studies on Asthma in Childhood 2010 unselected birth cohort study were used. Information on maternal antibiotic use and other exposures during pregnancy was collected prospectively from interviews and validated in national registries...
January 11, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28077143/pregnant-women-carrying-microcephaly-foetuses-and-zika-virus-contain-potentially-pathogenic-microbes-and-parasites-in-their-amniotic-fluid
#12
Diogo Antonio Tschoeke, Louisi Souza de Oliveira, Luciana Leomil, Amilcar Tanuri, Fabiano Lopes Thompson
BACKGROUND: Microcephaly has become a major public health problem in Brazil. The total number of newborns with microcephaly was reported to be >4000 in June 2016. Studies suggest that Zika Virus is a major cause of new microcephaly cases in Brazil. Inside the uterus, the foetus is surrounded by the Amniotic Fluid, a proximal fluid that contains foetal and maternal cells as well as microorganisms and where Zika Virus was already found. CASE PRESENTATION: A previous study reported the presence of the Zika Virus in the amniotic fluid (collected in the 28th gestational week) of two pregnant women carrying microcephaly foetuses in Brazil...
January 11, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28073296/the-microbiome-and-complement-activation
#13
Alexis B Dunn, Anne L Dunlop, Carol J Hogue, Andrew Miller, Elizabeth J Corwin
Preterm birth (PTB, <37 completed weeks' gestation) is one of the leading obstetrical problems in the United States, affecting approximately one of every nine births. Even more concerning are the persistent racial disparities in PTB, with particularly high rates among African Americans. There are several recognized pathophysiologic pathways to PTB, including infection and/or exaggerated systemic or local inflammation. Intrauterine infection is a causal factor linked to PTB thought to result most commonly from inflammatory processes triggered by microbial invasion of bacteria ascending from the vaginal microbiome...
January 1, 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28034467/review-maternal-health-and-the-placental-microbiome
#14
REVIEW
Elise Pelzer, Luisa F Gomez-Arango, Helen L Barrett, Marloes Dekker Nitert
Over the past decade, the role of the microbiome in regulating metabolism, immune function and behavior in humans has become apparent. It has become clear that the placenta is not a sterile organ, but rather has its own endogenous microbiome. The composition of the placental microbiome is distinct from that of the vagina and has been reported to resemble the oral microbiome. Compared to the gut microbiome, the placental microbiome exhibits limited microbial diversity. This review will focus on the current understanding of the placental microbiota in normal healthy pregnancy and also in disease states including preterm birth, chorioamnionitis and maternal conditions such as obesity, gestational diabetes mellitus and preeclampsia...
December 2, 2016: Placenta
https://www.readbyqxmd.com/read/28027927/prenatal-stress-affects-placental-cytokines-and-neurotrophins-commensal-microbes-and-anxiety-like-behavior-in-adult-female-offspring-abbreviated-title-prenatal-stress-and-microbiome
#15
Tamar L Gur, Lena Shay, Aditi Vadodkar Palkar, Sydney Fisher, Vanessa A Varaljay, Scot Dowd, Michael T Bailey
Recent studies demonstrate that exposure to stress changes the composition of the intestinal microbiota, which is associated with development of stress-induced changes to social behavior, anxiety, and depression. Stress during pregnancy has also been related to the emergence of these disorders; whether commensal microbes are part of a maternal intrauterine environment during prenatal stress is not known. Here, we demonstrate that microbiome changes are manifested in the mother, and also found in female offspring in adulthood, with a correlation between stressed mothers and female offspring...
December 24, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28008325/lactobacilli-dominance-and-vaginal-ph-why-is-the-human-vaginal-microbiome-unique
#16
Elizabeth A Miller, DeAnna E Beasley, Robert R Dunn, Elizabeth A Archie
The human vaginal microbiome is dominated by bacteria from the genus Lactobacillus, which create an acidic environment thought to protect women against sexually transmitted pathogens and opportunistic infections. Strikingly, lactobacilli dominance appears to be unique to humans; while the relative abundance of lactobacilli in the human vagina is typically >70%, in other mammals lactobacilli rarely comprise more than 1% of vaginal microbiota. Several hypotheses have been proposed to explain humans' unique vaginal microbiota, including humans' distinct reproductive physiology, high risk of STDs, and high risk of microbial complications linked to pregnancy and birth...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27931152/planting-the-seed-origins-composition-and-postnatal-health-significance-of-the-fetal-gastrointestinal-microbiota
#17
REVIEW
Lisa F Stinson, Matthew S Payne, Jeffrey A Keelan
It has long been assumed that establishment of the fetal microbiome commences with the birthing process. However, recent studies have found bacterial DNA in umbilical cord blood, placenta, amniotic fluid, meconium, and fetal membranes in healthy normal pregnancies, leading to suggestions that the seeding of the fetal microbiome may commence in utero long before delivery. The origins of the microbiota of the fetal gastrointestinal (GI) tract have not yet been conclusively determined, although bacterial translocation from the maternal circulation, or ascension from the vagina, are both likely to be contributing pathways...
May 2017: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/27926431/the-oral-microbiome-in-health-and-its-implication-in-oral-and-systemic-diseases
#18
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
#19
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...
February 2017: 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
#20
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
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