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https://www.readbyqxmd.com/read/28724194/paving-the-way-for-improved-management-of-severe-itp-in-pregnancy
#1
Andra H James
Those of us who take care of women with blood disorders have few data on which to base our management of thrombocytopenia in pregnancy, particularly immune thrombocytopenia purpura (ITP). We extrapolate from the management of ITP in nonpregnant individuals and try to raise platelet counts in an attempt to meet the bleeding challenges of childbirth. Thirty years ago we believed that ITP conferred fetal risks similar to those conferred by alloimmune thrombocytopenia. This article is protected by copyright. All rights reserved...
July 19, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28723925/immunologic-response-to-vaccine-challenge-in-pregnant-ptpn22-r620w-carriers-and-non-carriers
#2
Shelly H Tien, Juliet N Crabtree, Heather L Gray, Erik J Peterson
OBJECTIVES: Influenza infection is a significant cause of respiratory morbidity among pregnant women. Seasonal influenza vaccination engages innate immune receptors to promote protective immunity. A coding polymorphism (R620W) in PTPN22 imparts elevated risk for human infection and autoimmune disease, predisposes to diminished innate immune responses, and associates with reduced immunization responses. We sought to quantify the effects of PTPN22-R620W on humoral and cell-mediated immune responses to the inactivated influenza vaccine among healthy pregnant women...
2017: PloS One
https://www.readbyqxmd.com/read/28723688/trigonelline-inhibits-inflammation-and-protects-%C3%AE-cells-to-prevent-fetal-growth-restriction-during-pregnancy-in-a-mouse-model-of-diabetes
#3
Ji-Yin Zhou, Xiao-Huang Du, Zuo Zhang, Gui-Sheng Qian
BACKGROUND: As an active component from traditional Chinese medicine, trigonelline has a protective effect on diabetes. This study evaluated the protective effects of trigonelline on diabetic mice during pregnancy. METHODS: Diabetes was induced in female mice by intraperitoneal injection for continuous 5-day of 40 mg/kg/day streptozotocin. Female mice were divided into 4 groups after they were allowed to mate with normal male mice: nondiabetic, nondiabetic treated with trigonelline (70 mg/kg) for 18 days, diabetic, and diabetic treated with trigonelline (70 mg/kg)...
July 20, 2017: Pharmacology
https://www.readbyqxmd.com/read/28722783/the-association-of-the-placental-mthfr-3-utr-polymorphisms-promoter-methylation-and-mthfr-expression-with-preeclampsia
#4
Abbas Mohammadpour-Gharehbagh, Batool Teimoori, Mehrnaz Narooei-Nejad, Mehrnaz Mehrabani, Ramin Saravani, Saeedeh Salimi
Preeclampsia (PE) is a pregnancy specific complication arises in presence of the placenta and disappears immediately after delivery. Therefore, the aim of the present study was to investigate the possible effects of the placental 3'-UTR rs1537514C>G and rs4846049 C>A polymorphisms and DNA methylation of the MTHFR gene on the MTHFR mRNA expression. The placenta of 74 PE pregnant women and 75 normotensive pregnant women were collected after delivery. The methylation status of the MTHFR promoter was assessed with Methylation Specific PCR(MSP)...
July 19, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28722160/placental-proteomics-reveal-insights-into-fetal-alcohol-spectrum-disorders
#5
Katie L Davis-Anderson, Sebastian Berger, Emilie R Lunde-Young, Vishal D Naik, Heewon Seo, Greg A Johnson, Hanno Steen, Jayanth Ramadoss
Fetal alcohol spectrum disorders (FASD) describe many of the well-known neurodevelopmental deficits afflicting children exposed to alcohol in utero. The effects of alcohol on the maternal-fetal interface, especially the placenta, have been less explored. We herein hypothesized that chronic binge alcohol exposure during pregnancy significantly alters the placental protein profile in a rat FASD model METHODS: Pregnant rats were orogastrically treated daily with alcohol (4.5 g/kg, gestational day (GD) 5-10; 6...
July 19, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28722155/metabolite-availability-as-a-window-to-view-the-early-embryo-microenvironment-in-vivo
#6
REVIEW
Kailun Hu, Yang Yu
A preimplantation embryo exists independent of blood supply, and relies on energy sources from its in vivo environment (e.g. oviduct and uterine fluid) to sustain its development. The embryos can survive in this aqueous environment because it contains amino acids, proteins, lactate, pyruvate, oxygen, glucose, antioxidants, ions, growth factors, hormones, and phospholipids - albeit the concentration of each component varies by species, stage of the estrous cycle, and anatomical location. The dynamic nature of this environment sustains the early development from the one-cell zygote to blastocyst, and is reciprocally influenced by the embryo at each embryonic stage...
July 19, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28721061/clinical-and-ultrasound-parameters-in-prediction-of-excessive-hemorrhage-during-management-of-cesarean-scar-pregnancy
#7
Ting Gui, Ping Peng, Xinyan Liu, Li Jin, Weilin Chen
PRECIS: During the management of cesarean scar pregnancy, gestational mass size >6 cm, uterine scar thickness <0.2 cm, peak systolic velocity >70 cm/s, and resistance index <0.35 are independent risk factors for excessive hemorrhage. OBJECTIVE: The objective of this study was to investigate risk factors associated with excessive hemorrhage during the management of cesarean scar pregnancy (CSP). PATIENTS AND METHODS: A retrospective case-control study was conducted, including 40 patients who experienced excessive bleeding and 80 controls without severe hemorrhage...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28720851/microneedle-patch-delivery-of-influenza-vaccine-during-pregnancy-enhances-maternal-immune-responses-promoting-survival-and-long-lasting-passive-immunity-to-offspring
#8
E Stein Esser, Joanna A Pulit-Penaloza, Haripriya Kalluri, Devin McAllister, Elena V Vassilieva, Elizabeth Q Littauer, Nadia Lelutiu, Mark R Prausnitz, Richard W Compans, Ioanna Skountzou
Influenza virus causes life-threatening infections in pregnant women and their newborns. Immunization during pregnancy is the most effective means of preventing maternal and infant mortality/morbidity; however, influenza vaccination rates of pregnant women remain under 50%. Furthermore, the availability of vaccines in low-resource populations is limited. Skin immunization with microneedle patches (MN) is a novel and safe vaccination platform featuring thermostable vaccine formulations. Cold-chain independence and the potential for self-administration can expand influenza vaccination coverage in developing countries...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720399/prenatal-and-postnatal-administration-of-prebiotics-and-probiotics
#9
REVIEW
Kristin Sohn, Mark A Underwood
Colonization of the neonatal gut by beneficial bacteria is important for the establishment and maintenance of the mucosal barrier, thus protecting the neonate from enteric pathogens and local and systemic inflammation. The neonatal microbiome is influenced by infant diet, environment, and the maternal microbiome. Dysbiosis in pregnancy increases the risk of pre-eclampsia, diabetes, infection, preterm labor, and later childhood atopy. Dysbiosis of the neonatal gut plays an important role in colic in the term infant, in the disease processes which plague preterm infants, including necrotizing enterocolitis and sepsis, and in the long-term outcomes of neonates...
July 15, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28719421/lifelong-estradiol-exposure-and-risk-of-depressive-symptoms-during-the-transition-to-menopause-and-postmenopause
#10
Wendy K Marsh, Joyce T Bromberger, Sybil L Crawford, Katherine Leung, Howard M Kravitz, John F Randolph, Hadine Joffe, Claudio N Soares
OBJECTIVE: Depression risk increases during the menopausal transition (MT) and initial postmenopausal years-both times of significant fluctuations of estrogen. Research to date provides limited support for the hypothesis that estrogen fluctuations play a role in the greater susceptibility to midlife depression. Importantly, not all women report depressive symptoms during the MT, and recent reports suggest that duration of exposure to estradiol throughout the adult years may also play a role in vulnerability to depression...
July 17, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28719288/evaluation-of-the-protective-effect-of-deoxyribonucleic-acid-vaccines-encoding-granule-antigen-2-and-5-against-acute-toxoplasmosis-in-balb-c-mice
#11
Xiao Teng Ching, Mun Yik Fong, Yee Ling Lau
AbstractToxoplasma gondii infects a broad range of warm-blooded hosts, including humans. Important clinical manifestations include encephalitis in immunocompromised patients as well as miscarriage and fetal damage during early pregnancy. Toxoplasma gondii dense granule antigen 2 and 5 (GRA2 and GRA5) are essential for parasitophorous vacuole development of the parasite. To evaluate the potential of GRA2 and GRA5 as recombinant DNA vaccine candidates, these antigens were cloned into eukaryotic expression vector (pcDNA 3...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28718898/exposure-to-biologic-therapies-during-conception-and-pregnancy-a-systematic-review
#12
E M Pottinger, R T Woolf, L S Exton, A D Burden, C Nelson-Piercy, C H Smith
Biologic therapies are effective treatments for psoriasis and are often used in women of childbearing age. To evaluate the safety of biologic therapy in conception and/or pregnancy, we have performed a systematic review of Pubmed, MEDLINE, EMBASE and Cochrane databases for multivariable adjusted studies of women exposed to biologic therapy relevant to the treatment of psoriasis during conception and/or pregnancy. We identified four population-based cohort studies involving 1300 women exposed to TNF-α inhibitors (TNFi) 3 months prior to or during the first 3 months of pregnancy...
July 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28718895/considering-the-impact-of-pregnancy-on-the-natural-history-of-hidradenitis-suppurativa
#13
P Perng, J G Zampella, G A Okoye
Hidradenitis suppurativa (HS) is a chronic and debilitating inflammatory skin disease that disproportionately affects women of childbearing age. Yet, little has been written about the impact of pregnancy on the natural history of HS. It has been postulated that apocrine-gland activity diminishes in pregnancy, accounting for symptom remission. This article is protected by copyright. All rights reserved.
July 18, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28718893/association-between-maternal-vascular-murmur-and-the-small-for-gestational-age-fetus-with-abnormal-umbilical-artery-doppler-flow
#14
Diana Riknagel, Richard Farlie, Morten Hedegaard, Peter Humaidan, Johannes J Struijk
OBJECTIVE: To investigate the association between maternal vascular murmurs (MVMs) and fetal growth restriction (defined as small-for-gestational-age [SGA] fetus) and abnormal Doppler pulsatility index (PI) of the uterine and/or umbilical arteries. METHODS: A cross-sectional study of women aged 18 years or older with a singleton pregnancy at 28-34 weeks was conducted at Regional Hospital Viborg, Denmark, between May 1 and August 1, 2013. Ultrasound fetal biometry was performed and the Doppler PI of the umbilical and uterine arteries was determined...
July 18, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28718198/targeted-antenatal-anti-d-prophylaxis-program-for-rhd-negative-pregnant-women-outcome-of-the-first-two-years-of-a-national-program-in-finland
#15
Katri Haimila, Kati Sulin, Malla Kuosmanen, Inna Sareneva, Anu Korhonen, Suvi Natunen, Jarno Tuimala, Susanna Sainio
The aim of this study was to assess the accuracy of the non-invasive fetal RHD test at 24-26 weeks of gestation as part of the national antenatal screening programme to target routine antenatal anti-D prophylaxis (RAADP) at 28-30 weeks at women carrying an RhD-positive fetus MATERIAL AND METHODS: A prospective cohort study involving all maternity care centres and delivery hospitals in Finland between February 2014 and January 2016. Fetal RHD genotyping using cell-free fetal DNA in maternal plasma was performed with real-time polymerase chain reaction in a centralised setting...
July 17, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28716094/an-analytical-approach-to-reduce-between-plate-variation-in-multiplex-assays-that-measure-antibodies-to-plasmodium-falciparum-antigens
#16
Rui Fang, Andrew Wey, Naveen K Bobbili, Rose F G Leke, Diane Wallace Taylor, John J Chen
BACKGROUND: Antibodies play an important role in immunity to malaria. Recent studies show that antibodies to multiple antigens, as well as, the overall breadth of the response are associated with protection from malaria. Yet, the variability and reliability of antibody measurements against a combination of malarial antigens using multiplex assays have not been well characterized. METHODS: A normalization procedure for reducing between-plate variation using replicates of pooled positive and negative controls was investigated...
July 17, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28715966/protective-effects-of-human-chorionic-gonadotropin-against-breast-cancer-how-can-we-use-this-information-to-prevent-treat-the-disease
#17
C V Rao
Breast cancers (BCs) are the most common malignancies among women worldwide. Giving birth to a first child before 24 years of age decreases the BC risk by about half, when women reach menopausal years. The scientific evidence suggests that the actions of human chorionic gonadotropin (hCG) are responsible for this decrease. Human BC cells and tissues contain hCG/luteinizing hormone receptors. The activation of the receptors results in an increase in cell differentiation and apoptosis. Conversely, it decreases the cell proliferation, invasion, and survival...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28715808/retinoic-acid-facilitates-toll-like-receptor-4-expression-to-improve-intestinal-barrier-function-through-retinoic-acid-receptor-beta
#18
Yingying Li, Yuan Gao, Ting Cui, Ting Yang, Lan Liu, Tingyu Li, Jie Chen
BACKGROUND/AIMS: Vitamin A (VA) protects the intestinal epithelial barrier by improving cell migration and proliferation. Our previous studies demonstrated that VA deficiency (VAD) during pregnancy suppresses the systemic and mucosal immune responses in the intestines of offspring and that VA supplementation (VAS) during early life can increase immune cell counts. However, little is known about the mechanisms by which VA regulates intestinal epithelial barrier function. METHODS: Caco-2 cells were treated with all-trans retinoic acid (ATRA) for 24 hours to determine the optimum ATRA concentration to which the cells in question respond...
July 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28715465/multiplexing-detection-of-igg-against-plasmodium-falciparum-pregnancy-specific-antigens
#19
Ana Maria Fonseca, Llorenç Quinto, Alfons Jiménez, Raquel González, Azucena Bardají, Sonia Maculuve, Carlota Dobaño, Maria Rupérez, Anifa Vala, John J Aponte, Esperanza Sevene, Eusebio Macete, Clara Menéndez, Alfredo Mayor
BACKGROUND: Pregnant women exposed to Plasmodium falciparum generate antibodies against VAR2CSA, the parasite protein that mediates adhesion of infected erythrocytes to the placenta. There is a need of high-throughput tools to determine the fine specificity of these antibodies that can be used to identify immune correlates of protection and exposure. Here we aimed at developing a multiplex-immunoassay to detect antibodies against VAR2CSA antigens. METHODS AND FINDINGS: We constructed two multiplex-bead arrays, one composed of 3 VAR2CSA recombinant-domains (DBL3X, DBL5Ɛ and DBL6Ɛ) and another composed of 46 new peptides covering VAR2CSA conserved and semi-conserved regions...
2017: PloS One
https://www.readbyqxmd.com/read/28713150/a-jehovah-s-witness-adolescent-in-the-labor-and-delivery-unit-should-patient-and-parental-refusals-of-blood-transfusions-for-adolescents-be-honored
#20
Johan Christiaan Bester, Martin Smith, Cynthia Griggins
A 15-year-old was admitted to the labor and delivery unit for induction of a 41-week-gestation pregnancy. Her parents, members of Jehovah's Witnesses, and the patient, who had been studying the religion but had not yet been baptized, were adamant that no blood transfusions would be accepted even if a life-threatening hemorrhage were to occur. In our analysis, we examine the underlying ethical conflict and issues raised by this case. We considered two important ethical questions in analyzing the dilemma: first, whether adolescents are capable of providing autonomous and authentic refusals for lifesaving interventions; and second, whether parents can refuse such interventions for their adolescent children based on their religious beliefs...
2017: Narrative Inquiry in Bioethics
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