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https://www.readbyqxmd.com/read/28526846/nk-cell-derived-il-10-is-critical-for-dc-nk-cell-dialogue-at-the-maternal-fetal-interface
#1
Sandra M Blois, Nancy Freitag, Irene Tirado-González, Shi-Bin Cheng, Markus M Heimesaat, Stefan Bereswill, Matthias Rose, Melanie L Conrad, Gabriela Barrientos, Surendra Sharma
DC-NK cell interactions are thought to influence the development of maternal tolerance and de novo angiogenesis during early gestation. However, it is unclear which mechanism ensures the cooperative dialogue between DC and NK cells at the feto-maternal interface. In this article, we show that uterine NK cells are the key source of IL-10 that is required to regulate DC phenotype and pregnancy success. Upon in vivo expansion of DC during early gestation, NK cells expressed increased levels of IL-10. Exogenous administration of IL-10 was sufficient to overcome early pregnancy failure in dams treated to achieve simultaneous DC expansion and NK cell depletion...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28525905/the-effect-of-pre-pregnancy-body-mass-index-and-excessive-gestational-weight-gain-on-the-risk-of-gestational-diabetes-in-advanced-maternal-age
#2
Beibei Dong, Hong Yu, Qiong Wei, Mengmeng Zhi, Chunhua Wu, Xiangyun Zhu, Ling Li
BACKGROUND AND PURPOSE: With the popularization of a two-child policy in China, the number of pregnant women of advanced maternal age will increase steadily. We aimed to assess the association between pre-pregnancy body mass index (BMI) and weight gain in the first and second trimester and the risk of gestational diabetes (GDM) in the advanced maternal age group and control group defined as maternal age of 20-35 years. RESULTS: The risk of GDM for obesity before pregnancy was 2...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28508475/functional-properties-of-peripheral-cd8-%C3%A2-t-cells-in-patients-with-repeated-implantation-failure
#3
Biao Yin, Yong Zeng, Tonghua Wu, Shuyi Yu, Jian Xu, Su Liu, Lianghui Diao, Zhenfu Zhao, Desheng Liang, Yuye Li
CD8(+) T cells are the main candidates to recognize and respond to fetal HLA-C at the fetal-maternal interface, but data on the amount of peripheral CD8(+) T cells and their functions during the window of implantation in recurrent implantation failure (RIF) patients are limited. Peripheral blood was obtained from 56 women with RIF and 16 fertile women in the mid-luteal phase of the menstrual cycle, and the CD8(+) T cells were determined by FACS analysis. No statistical differences in the proportion of peripheral CD8(+) T cells were observed among the women with RIF and the control group...
May 15, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28506815/postpartum-diabetes-testing-rates-after-gestational-diabetes-mellitus-in-canadian-women-a-population-based-study
#4
Sonia Butalia, Lois Donovan, Anamaria Savu, Jeffrey Johnson, Alun Edwards, Padma Kaul
OBJECTIVES: We assessed the rate and type of postpartum glycemic testing in women with impaired glucose tolerance of pregnancy (IGTp) and gestational diabetes mellitus (GDM). We examined whether the likelihood of testing was modulated by patients' characteristics and pregnancy outcomes. METHODS: Our population-level cohort study included data from 132,905 pregnancies between October 1, 2008, and December 31, 2011, in Alberta, Canada. Laboratory data within 270 days before and 1 year after delivery were used to identify pregnancies involving IGTp/GDM and postpartum glycemic testing, respectively...
May 12, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28501365/why-natural-killer-cells-are-not-enough-a-further-understanding-of-killer-immunoglobulin-like-receptor-and-human-leukocyte-antigen
#5
REVIEW
Diana Alecsandru, Juan A García-Velasco
The immune system's role in recurrent reproductive failure is a controversial issue in assisted reproduction. Most studies into immune system implication in reproduction have focused on finding markers of peripheral blood and less on the uterine environment. Peripheral blood natural killer cells have become an "immune study core" for women with recurrent miscarriage or recurrent implantation failure, based on the mistaken notion that they cause reproductive failure by killing or "rejecting" the embryo. Maternal-fetal tolerance begins at the uterine level, so successful adaptation to the fetus occurs after a complicated process...
May 10, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28499376/benefits-of-preparing-for-childbirth-with-mindfulness-training-a-randomized-controlled-trial-with-active-comparison
#6
Larissa G Duncan, Michael A Cohn, Maria T Chao, Joseph G Cook, Jane Riccobono, Nancy Bardacke
BACKGROUND: Childbirth fear is linked with lower labor pain tolerance and worse postpartum adjustment. Empirically validated childbirth preparation options are lacking for pregnant women facing this problem. Mindfulness approaches, now widely disseminated, can alleviate symptoms of both chronic and acute pain and improve psychological adjustment, suggesting potential benefit when applied to childbirth education. METHODS: This study, the Prenatal Education About Reducing Labor Stress (PEARLS) study, is a randomized controlled trial (RCT; n = 30) of a short, time-intensive, 2...
May 12, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28494099/prevalence-of-gestational-diabetes-mellitus-evaluated-by-universal-screening-with-a-75-g-2-hour-oral-glucose-tolerance-test-and-iadpsg-criteria
#7
Deniz Karcaaltincaba, Pinar Calis, Nagehan Ocal, Aykut Ozek, Melis Altug Inan, Merih Bayram
OBJECTIVE: To determine the prevalence of gestational diabetes mellitus (GDM) and its association with maternal age among Turkish women diagnosed by International Association of Diabetes and Pregnancy Study Group (IADPSG) criteria. METHODS: A cross-sectional study was conducted in 2013-2015 among non-diabetic pregnant women aged 18-49 years who were universally screened for GDM by IADPSG criteria. The percentage of women meeting each diagnostic threshold and the prevalence of GDM by age group were calculated...
May 11, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28486188/cladoceran-offspring-tolerance-to-toxic-microcystis-is-promoted-by-maternal-warming
#8
Kai Lyu, Lu Zhang, Lei Gu, XueXia Zhu, Alan E Wilson, Zhou Yang
Elevated temperatures and nutrients can favor phytoplankton dominance by cyanobacteria, which can be toxic to zooplankton. There is growing awareness that maternal effects not only are common but can also significantly impact ecological interactions. Although climate change is broadly studied, relatively little is known regarding its influence on maternal effects in zooplankton. Given that lakes are sentinels for climate change and that elevated temperatures and nutrient pollution can favor phytoplankton dominance by toxic cyanobacteria, this study focused on elucidating the effects of maternal exposure to elevated temperatures on the tolerance of zooplankton offspring to toxic cyanobacteria in the diet...
May 6, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28482869/intravenous-iron-sucrose-v-s-oral-ferrous-fumarate-for-treatment-of-anemia-in-pregnancy-a-randomized-controlled-trial
#9
Shruti B Bhavi, Purushottam B Jaju
BACKGROUND: The objective of this study was to compare the efficacy, safety and tolerability of intravenous iron sucrose with that of oral ferrous fumarate in iron deficiency anemia during 14 to 34 weeks of pregnancy. METHODS: A randomized controlled trial was performed involving 112 patients attending the antenatal clinic at Shri B.M.Patil Medical college Hospital, Bijapur from October 2011 to August 2012,with hemoglobin levels between 70-110 g/L and serum ferritin of < 15 ng/ml...
May 8, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28469536/effects-of-maternal-magnesium-sulfate-treatment-on-neonatal-feeding-tolerance
#10
Meghan K Belden, Sarah Gnadt, Ann Ebert
OBJECTIVE: To determine whether antenatal exposure to magnesium sulfate has an effect on neonatal enteral feeding tolerance. METHODS: In this single-center, retrospective, observational study, charts of pregnant women who received intravenous magnesium sulfate infusions prior to delivery between July 1, 2012, and July 31, 2013, were reviewed. Neonates born at 24 weeks' gestational age or greater admitted to the neonatal intensive care unit (NICU) whose mothers received magnesium sulfate infusions prior to delivery were included...
March 2017: Journal of Pediatric Pharmacology and Therapeutics: JPPT: the Official Journal of PPAG
https://www.readbyqxmd.com/read/28464913/prevalence-of-hyperglycaemia-first-detected-during-pregnancy-and-subsequent-obstetric-outcomes-at-st-francis-hospital-nsambya
#11
Betty Nakabuye, Silver Bahendeka, Romano Byaruhanga
BACKGROUND: Women with hyperglycaemia detected during pregnancy are at greater risk for adverse pregnancy outcomes. Data on hyperglycaemia in pregnancy in sub-Saharan Africa is scanty and varied depending on the populations studied and the methodologies used to define hyperglycaemia in pregnancy. With the recent 2013 World Health Organisation (WHO) diagnostic criteria and classification, there is yet no sufficient data on the prevalence of hyperglycaemia in sub-Saharan Africa. The objective was to determine the prevalence of Hyperglycaemia first detected during pregnancy and subsequent obstetric outcomes among patients attending antenatal care (ANC) at St...
May 2, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28464218/granulocytic-myeloid-derived-suppressor-cells-from-human-cord-blood-modulate-t-helper-cell-response-towards-an-anti-inflammatory-phenotype
#12
Natascha Köstlin, Margit Vogelmann, Bärbel Spring, Julian Schwarz, Judith Feucht, Christoph Härtel, Thorsten W Orlikowsky, Christian F Poets, Christian Gille
Infections are a leading cause of perinatal morbidity and mortality. The outstandingly high susceptibility to infections early in life is mainly attributable to the compromised state of the neonatal immune system. One important difference to the adult immune system is a bias towards T helper (Th) 2-responses in newborns. However, mechanisms regulating neonatal T-cell responses are yet incompletely understood. Granulocytic myeloid-derived suppressor cells (GR-MDSC) are myeloid cells with a granulocytic phenotype that suppress various functions of other immune cells and accumulate under physiological conditions during pregnancy in maternal and foetal blood...
May 2, 2017: Immunology
https://www.readbyqxmd.com/read/28464095/breeding-and-genetics-symposium-resilience-and-lessons-from-studies-in-genetics-of-heat-stress
#13
I Misztal
Production environments are expected to change, mostly to a hotter climate but also possibly more extreme and drier. Can the current generation of farm animals cope with the changes or should it be specifically selected for changing conditions? In general, genetic selection produces animals with a smaller environmental footprint but also with smaller environmental flexibility. Some answers are coming from heat-stress research across species, with heat tolerance partly understood as a greater environmental flexibility...
April 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28462680/does-placental-mdsc-mediated-modulation-of-arginine-levels-help-protect-the-foetus-from-auxotrophic-pathogens
#14
Abdul Qader Tahir Ismail
Myeloid-derived suppressor cells (MDSCs) are immunosuppressive precursors of dendritic cells, macrophages and granulocytes. MDSCs normally quickly differentiate, but have elevated levels in chronic infection and cancer, where they help tumours evade the immune system through induction of T-cell dysfunction. MDSC levels are also raised in pregnancy, and in the neonate. During pregnancy they may help to prevent maternal rejection of the semiallogenic foetus. In the immediate postnatal period they may aid in allowing tolerance of gut microbiological colonisation and non-pathological environmental antigens...
May 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28460045/large-reduction-in-adiponectin-during-pregnancy-is-associated-with-large-for-gestational-age-newborns
#15
Tove Lekva, Marie Cecilie Paasche Roland, Annika E Michelsen, Camilla Margrethe Friis, Pål Aukrust, Jens Bollerslev, Tore Henriksen, Thor Ueland
Context: Fetuses exposed to an obese intrauterine environment are more likely to be born large-for-gestational age (LGA) and are at increased risk of obesity in childhood and cardiovascular disease (CVD) and/or type 2 diabetes mellitus (T2DM) as adults, but which factors that influence the intrauterine environment is less clear. Objective: To investigate the association between circulating levels of leptin and adiponectin, measured multiple times during pregnancy, and birth weight and prevalence of LGA or small-for-gestational age (SGA) infants...
April 28, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28456527/patient-reaction-to-tdap-vaccination-in-pregnancy
#16
Jamie Perry, Craig V Towers, Beth Weitz, Lynlee Wolfe
BACKGROUND: The current obstetrical recommendation is to routinely administer the tetanus, diphtheria, and acellular pertussis (Tdap) vaccination during every pregnancy regardless of a patient's prior history. There are minimal data that have prospectively evaluated solicited patient response to this treatment plan. The study objective was to evaluate patient reaction following receipt of Tdap vaccination during pregnancy. METHODS: This was a prospective observational study conducted from May 2014 through March 2016...
April 26, 2017: Vaccine
https://www.readbyqxmd.com/read/28454899/population-level-outcomes-with-a-2-step-approach-for-gestational-diabetes-screening-and-diagnosis
#17
L E Donovan, A L Edwards, A Savu, S Butalia, E A Ryan, J A Johnson, P Kaul
OBJECTIVES: To examine outcomes associated with alternative glucose thresholds in a 2-step approach for screening and diagnosing gestational diabetes mellitus (GDM). METHODS: We studied 178,527 pregnancies between 2008 and 2012 in Alberta, Canada. They were categorized retrospectively as normal 50 g screen (n=144,191); normal 75 g oral glucose tolerance test (OGTT) (n=21,248); abnormal at glucose thresholds suggested by the International Association of Diabetes and Pregnancy Group (IADPSG) (HAPO 1...
April 25, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28454507/serum-chemerin-level-during-the-first-trimester-of-pregnancy-and-the-risk-of-gestational-diabetes-mellitus
#18
Xuezhou Yang, Xiaozhen Quan, Yanli Lan, Jinhai Ye, Qipeng Wei, Xiaofang Yin, Fangfang Fan, Hui Xing
OBJECTIVE: To investigate the association between chemerin level in the first trimester of pregnancy and the risk of gestational diabetes mellitus. METHODS: The blood samples of 212 women at 8-12 weeks of gestation were collected. After screening for gestational diabetes mellitus (GDM), 19 women with GDM and 20 women randomly selected from 144 women with normal glucose tolerance (NGT) were included in the study. Blood samples were collected from these women. Triglycerides, glucose, total cholesterol, and HDL cholesterol, LDL cholesterol, insulin and chemerin were measured...
April 28, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28447343/impact-of-perinatal-exposure-to-sucrose-or-high-fructose-corn-syrup-hfcs-55-on-adiposity-and-hepatic-lipid-composition-in-rat-offspring
#19
Carla R Toop, Beverly S Muhlhausler, Kerin O'Dea, Sheridan Gentili
Perinatal exposure to excess maternal intake of added sugars, including fructose and sucrose, is associated with an increased risk of obesity and type 2 diabetes in adult life. However, it is unknown to what extent the type of sugar and the timing of exposure affect these outcomes. The aim of this study was to determine the impact of exposure to maternal consumption of a 10% w/v beverage containing sucrose or high fructose corn syrup-55 (HFCS-55) during the prenatal and/or suckling periods on offspring at 3 and 12 weeks, utilising a cross-fostering approach in a rodent model...
April 26, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28445618/ficolin-3-adiponectin-ratio-for-the-prediction-of-gestational-diabetes-mellitus-in-pregnant-women
#20
Xiao-Song Yuan, Hui Shi, Hui-Yan Wang, Bin Yu, Jian Jiang
AIMS/INTRODUCTION: To establish that the ficolin-3/adiponectin ratio is a predictor for gestational diabetes mellitus (GDM) and was eligible for screening tests for GDM. MATERIALS AND METHODS: A prospective cohort study of 86 pregnant women who developed GDM and 273 normal glucose tolerance (NGT) participants was performed. Maternal serum ficolin-3, adiponectin levels were investigated at 16-18 weeks gestation using ELISA. RESULTS: Compared to the NGT group, the GDM group showed significantly higher levels of ficolin-3 and the ratio of ficolin-3/adiponectin; and decreased levels of adiponectin between 16 to 18 weeks of gestation (P < 0...
April 26, 2017: Journal of Diabetes Investigation
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