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https://www.readbyqxmd.com/read/28630479/attention-cognitive-control-and-motivation-in-adhd-linking-event-related-brain-potentials-and-dna-methylation-patterns-in-boys-at-early-school-age
#1
Hartmut Heinrich, Juliane Grunitz, Valeska Stonawski, Stefan Frey, Simone Wahl, Björn Albrecht, Tamme W Goecke, Matthias W Beckmann, Johannes Kornhuber, Peter A Fasching, Gunther H Moll, Anna Eichler
In order to better understand the underpinnings of attention-deficit/hyperactivity disorder (ADHD), we targeted the relationship of attentional, cognitive control and motivational processes with DNA methylation patterns of 60 candidate genes in boys at early school age. Participants (6 to 8 years; N = 82) were selected from a German longitudinal cohort (FRANCES). ADHD-related behaviour was assessed via maternal ratings. Performance and event-related potential measures (inter alia Cue-P3 and Nogo-P3), which were recorded in a motivational go/nogo task, indicated diminished attentional orienting, reduced inhibitory response control and a larger motivational effect on performance in ADHD already at this relatively young age...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28628915/mir-495-promotes-senescence-of-mesenchymal-stem-cells-by-targeting-bmi-1
#2
Xiujun Li, Yuxian Song, Dan Liu, Jiaojiao Zhao, Jingjing Xu, Jing Ren, Yali Hu, Zhiqun Wang, Yayi Hou, Guangfeng Zhao
BACKGROUND/AIMS: Mesenchymal stem cells (MSCs) play an important role in regulating angiogenesis and immune balance. Abnormal proliferation and function of MSCs were reported at maternal fetal interface in patients with pre-eclampsia (PE). Micro-RNA-495 was known to be upregulated in the MSCs derived from patients with PE. However, it is not clear whether the up-regulated miR-495 is related to the pathogenesis of PE. METHODS: We analyzed the expression of miR-495 in MSCs and umbilical cords derived from healthy pregnancies (NC) and PE, then we upregulated or downregulated the expression of miR-495 in MSCs derived from NC and tested the proliferation, apoptosis, migration, invasion, tube formation and senescence...
June 19, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28628417/motherhood-challenges-and-well-being-along-with-the-studentship-role-among-iranian-women-a-qualitative-study
#3
Zahra Behboodi Moghadam, Maryam Ordibeheshti Khiaban, Maryam Esmaeili, Mahvash Salsali
This study purposed to explore and describe the experiences of Iranian female students with the role of motherhood. This 2015 qualitative study used purposeful sampling to select 20 student mothers aged 24-50 who were studying at a state or non-state university in an urban area in northwest Iran. Data was collected through individual semi-structured interviews and analysed using a qualitative content analysis approach. Three main themes were developed during data analysis: "simultaneous management", "facilities", and "barriers"...
December 2017: International Journal of Qualitative Studies on Health and Well-being
https://www.readbyqxmd.com/read/28626083/cellular-and-disease-functions-of-the-prader-willi-syndrome-gene-magel2
#4
REVIEW
Klementina Fon Tacer, Patrick Ryan Potts
Melanoma antigen L2 (MAGEL2 or MAGE-L2) is a member of the MAGE family of ubiquitin ligase regulators. It is maternally imprinted and often paternally deleted or mutated in the related neurodevelopmental syndromes, Prader-Willi Syndrome (PWS) and Schaaf-Yang Syndrome (SHFYNG). MAGEL2 is highly expressed in the hypothalamus and plays an important role in a fundamental cellular process that recycles membrane proteins from endosomes through the retromer sorting pathway. MAGEL2 is part of a multi-subunit protein complex consisting of MAGEL2, the TRIM27 E3 ubiquitin ligase, and the USP7 deubiquitinating enzyme...
June 16, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28623971/remodelling-of-the-bovine-placenta-comprehensive-morphological-and-histomorphological-characterization-at-the-late-embryonic-and-early-accelerated-fetal-growth-stages
#5
Consuelo Amor S Estrella, Karen L Kind, Anna Derks, Ruidong Xiang, Nicole Faulkner, Melina Mohrdick, Carolyn Fitzsimmons, Zbigniew Kruk, Frank Grutzner, Claire T Roberts, Stefan Hiendleder
INTRODUCTION: Placental function impacts growth and development with lifelong consequences for performance and health. We provide novel insights into placental development in bovine, an important agricultural species and biomedical model. METHODS: Concepti with defined genetics and sex were recovered from nulliparous dams managed under standardized conditions to study placental gross morphological and histomorphological parameters at the late embryo (Day48) and early accelerated fetal growth (Day153) stages...
July 2017: Placenta
https://www.readbyqxmd.com/read/28623970/localization-of-the-placental-bcrp-abcg2-transporter-to-lipid-rafts-role-for-cholesterol-in-mediating-efflux-activity
#6
John T Szilagyi, Anna M Vetrano, Jeffrey D Laskin, Lauren M Aleksunes
INTRODUCTION: The breast cancer resistance protein (BCRP/ABCG2) is an efflux transporter in the placental barrier. By transporting chemicals from the fetal to the maternal circulation, BCRP limits fetal exposure to a range of drugs, toxicants, and endobiotics such as bile acids and hormones. The purpose of the present studies was to 1) determine whether BCRP localizes to highly-ordered, cholesterol-rich lipid raft microdomains in placenta microvillous membranes, and 2) determine the impact of cholesterol on BCRP-mediated placental transport in vitro...
July 2017: Placenta
https://www.readbyqxmd.com/read/28622381/cell-free-dna-release-by-mouse-placental-explants
#7
Mark Phillippe, Sharareh Adeli
Although suggested that "fetal" cell-free DNA (cfDNA) is derived from trophoblast cells, the exact origin is unclear. The studies in this report sought to demonstrate that placental tissue releases cfDNA in parallel with cell death, that the size range of cfDNA is similar to that found in maternal plasma, and that the cfDNA fragments are able to stimulate a proinflammatory cytokine response. Placentas were harvested from near term pregnant CD-1 mice and cultured in DMEM/Ham's F12/FBS media in 8% or 21% O2. After centrifugation to remove cells and cellular debris, the cfDNA was extracted from the media and quantified by DNA spectrophotometry...
2017: PloS One
https://www.readbyqxmd.com/read/28619824/the-histone-3-lysine-4-methyltransferase-setd1b-is-a-maternal-effect-gene-required-for-the-oogenic-gene-expression-program
#8
David Brici, Qinyu Zhang, Susanne Reinhardt, Andreas Dahl, Hella Hartmann, Kerstin Schmidt, Neha Goveas, Jiahao Huang, Lenka Gahurova, Gavin Kelsey, Konstantinos Anastassiadis, A Francis Stewart, Andrea Kranz
Germ cell development involves major reprogramming of the epigenome to prime the zygote for totipotency. Histone 3 lysine 4 (H3K4) methylations are universal epigenetic marks mediated in mammals by six H3K4 methyltransferases related to fly Trithorax, including two yeast Set1 orthologs: Setd1a and Setd1b. Whereas Setd1a plays no role in oogenesis, we report that Setd1b deficiency causes female sterility. Oocyte specific Gdf9iCre conditional knockout (Setd1b(Gdf9) cKO) ovaries develop through all stages however follicular loss accumulated with age and unfertilized metaphase II (MII) oocytes exhibited irregularities of the zona pellucida and meiotic spindle...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28618992/modulating-mitophagy-in-mitochondrial-disease
#9
Eszter Dombi, Heather Mortiboys, Joanna Poulton
Mitochondrial diseases may result from mutations in the maternally-inherited mitochondrial DNA (mtDNA) or from mutations in nuclear genes encoding mitochondrial proteins. Their bi-genomic nature makes mitochondrial diseases a very heterogeneous group of disorders that can present at any age and can affect any type of tissue. The autophagic-lysosomal degradation pathway plays an important role in clearing dysfunctional and redundant mitochondria through a specific quality control mechanism termed mitophagy. Mitochondria could be targeted for autophagic degradation for a variety of reasons including basal turnover for recycling, starvation induced degradation, and degradation due to damage...
June 16, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28618769/association-study-of-ctla-4-49a-g-gene-polymorphism-with-recurrent-pregnancy-loss-in-the-iranian-azeri-turkish-ethnic-group
#10
Mortaza Bonyadi, Sara Parsa, Simin Taghavi, Narges Zeinalzadeh
BACKGROUND/AIM: Recurrent pregnancy loss (RPL) is defined as two or more pregnancy losses. T-regulatory cells play an important role in the feto-maternal interface. Cytotoxic-T-lymphocyte antigen-4 (CTLA-4) is a molecule that downregulates the activation and proliferation of T cells. The objective of the current study was to investigate the possible association of CTLA-4+49A/G gene polymorphism with RPL among patients from the Iranian Azeri Turkish ethnic group. MATERIALS AND METHODS: The study group/patients consisted of 101 women with the experience of two or more pregnancy losses and the control group consisted of 101 women with at least two live births, without any previous history of pregnancy loss and autoimmune diseases from the same ethnic group...
June 12, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28618048/transcriptomic-profiling-in-human-decidua-of-severe-preeclampsia-detected-by-rna-sequencing
#11
Jing Tong, Weixiu Zhao, Hong Lv, Wei-Ping Li, Zi-Jiang Chen, Cong Zhang
Maternal decidua plays a critical role in implantation and placentation. Impaired decidualization causes failed intravascular trophoblast invasion and inadequate placentation and then increases the risk of preeclampsia (PE). RNA sequencing (RNA-Seq) has achieved great advances in the characterization and quantification of transcriptomes, is a powerful tool for new transcript discovery, genome annotation and expression profiling. In the present study, we conducted a RNA-Seq analysis to compare gene expression between decidua of PE (n = 3, early-onset severe PE, EOSPE; n = 3, late-onset severe PE, LOSPE) and normal pregnancies (n = 3)...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28615372/preconception-micronutrient-supplementation-with-iron-and-folic-acid-compared-with-folic-acid-alone-affects-linear-growth-and-fine-motor-development-at-2-years-of-age-a-randomized-controlled-trial-in-vietnam
#12
Phuong H Nguyen, Ines Gonzalez-Casanova, Melissa F Young, Truong Viet Truong, Hue Hoang, Huong Nguyen, Son Nguyen, Ann M DiGirolamo, Reynaldo Martorell, Usha Ramakrishnan
Background: Maternal health and nutrition play a crucial role in early child growth and development. However, little is known about the benefits of preconception micronutrient interventions beyond the role of folic acid (FA) and neural tube defects.Objective: We evaluated the impact of weekly preconception multiple micronutrient (MM) or iron and folic acid (IFA) supplementation on child growth and development through the age of 2 y compared with FA alone.Methods: We followed 1599 offspring born to women who participated in a randomized controlled trial of preconception supplementation in Vietnam...
June 14, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28615018/the-aquaglyceroporin-aqp9-contributes-to-the-sex-specific-effects-of-in-utero-arsenic-exposure-on-placental-gene-expression
#13
Emily F Winterbottom, Devin C Koestler, Dennis Liang Fei, Eric Wika, Anthony J Capobianco, Carmen J Marsit, Margaret R Karagas, David J Robbins
BACKGROUND: Sex-specific factors play a major role in human health and disease, including responses to environmental stresses such as toxicant exposure. Increasing evidence suggests that such sex differences also exist during fetal development. In a previous report using the resources of the New Hampshire Birth Cohort Study (NHBCS), we found that low-to-moderate in utero exposure to arsenic, a highly toxic and widespread pollutant, was associated with altered expression of several key developmental genes in the fetal portion of the placenta...
June 14, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28610830/mutual-regulation-between-infant-facial-affect-and-maternal-touch-in-depressed-and-nondepressed-dyads
#14
Ida Egmose, Katharina Cordes, Johanne Smith-Nielsen, Mette Skovgaard Væver, Simo Køppe
The ability to regulate affect is important for later adaptive child development. In the first months of life, infants have limited resources for regulating their own affects (e.g. by gaze aversion), and for this reason they are dependent on external affect regulation from their parents. Previous research suggests that touch is an important means through which parents regulate their infants' affects. Also, previous research has shown that post-partum depressed (PPD) mothers and nonclinical mothers differ in their touching behaviors when interacting with their infants...
June 10, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28610590/a-continuous-quality-improvement-intervention-to-improve-the-effectiveness-of-community-health-workers-providing-care-to-mothers-and-children-a-cluster-randomised-controlled-trial-in-south-africa
#15
Christiane Horwood, Lisa Butler, Pierre Barker, Sifiso Phakathi, Lyn Haskins, Merridy Grant, Ntokozo Mntambo, Nigel Rollins
BACKGROUND: Community health workers (CHWs) play key roles in delivering health programmes in many countries worldwide. CHW programmes can improve coverage of maternal and child health services for the most disadvantaged and remote communities, leading to substantial benefits for mothers and children. However, there is limited evidence of effective mentoring and supervision approaches for CHWs. METHODS: This is a cluster randomised controlled trial to investigate the effectiveness of a continuous quality improvement (CQI) intervention amongst CHWs providing home-based education and support to pregnant women and mothers...
June 13, 2017: Human Resources for Health
https://www.readbyqxmd.com/read/28609762/increased-toll-like-receptor-myeloid-differentiation-factor-88-expression-at-the-maternal-fetal-interface-is-associated-with-spontaneous-abortion
#16
Mengzhou He, Yuan Zhou, Min Jiang, Fanfan Li, Meitao Yang, Yao Fan, Dongrui Deng
AIMS: Toll-like receptors (TLRs) form a group of pattern recognition receptors that play a major role in maintaining innate host immunity. Myeloid differentiation factor 88 (MyD88) is an adaptor molecule that is essential for signaling via the TLR family. To analyze the mechanism of the imbalance in the innate immune system mediated by TLRs-MyD88 in spontaneous abortion, we detected the expression of TLR-2, TLR-4, TLR-7, and MyD88 in placentae and deciduas. METHODS: The expression of TLR-2, TLR-4, TLR-7, and MyD88 in the placentae and deciduas of abortion-prone mice (n = 10) and normal pregnant mice (n = 10) were analyzed by immunochemistry, western blot, and real-time polymerase chain reaction...
June 14, 2017: Gynecologic and Obstetric Investigation
https://www.readbyqxmd.com/read/28607905/understanding-potential-uptake-of-a-proposed-mhealth-program-to-support-caregiver-home-management-of-childhood-illness-in-a-resource-poor-setting-a-qualitative-evaluation
#17
Tirza Areli Calderón, Holly Martin, Kathryn Volpicelli, Rosemary Frasso, Elsa Cecilia Díaz Arroyo, Ernesto Gozzer, Alison M Buttenheim
BACKGROUND: Extensive uptake of mobile phones offers an unprecedented opportunity to improve global healthcare delivery, especially among underserved populations. Mobile health (mHealth) has been increasingly recognized as a promising approach to addressing challenges in global maternal-child health and may play an important role in accelerating progress towards improved outcomes. However, more evidence guiding development of mHealth interventions is needed. The current study explores factors that may support or hinder adoption and use of a proposed mHealth intervention to improve caregiver home management of common childhood illnesses in order to shape program development...
2017: MHealth
https://www.readbyqxmd.com/read/28606936/notch2-and-notch3-suppress-the-proliferation-and-mediate-invasion-of-trophoblast-cell-lines
#18
Wei-Xiu Zhao, Zhen-Ming Wu, Wei Liu, Jian-Hua Lin
BACKGROUND: Notch signaling pathways play important roles in cell fate and many diseases, including preeclampsia, the dysregulation of which may be the main cause of maternal mortality. OBJECTIVE: This study is aimed to investigate the roles of Notch2 and Notch3 in the proliferation and invasion in trophoblast cell lines (BeWo and JAR). METHODS: To evaluate the effects of Notch2 and Notch3 on trophoblast cell migration and invasion of biological functions, small hairpin RNAs targeting at Notch2/Notch3 and Notch2/Notch3-overexpression vectors were designed, constructed and transfected into BeWo and JAR cells...
June 12, 2017: Biology Open
https://www.readbyqxmd.com/read/28606289/integrated-care-among-healthcare-providers-in-shared-maternity-care-what-is-the-role-of-paper-and-electronic-health-records
#19
Glenda Hawley, Julie Hepworth, Claire Jackson, Shelley A Wilkinson
This study examines a paper hand-held record and a shared electronic health record in an Australian tertiary hospital healthcare maternity setting and the role that both types of records play in facilitating integrated care among healthcare providers. A qualitative research design was used where five focus groups were conducted in two phases with 69 hospital healthcare providers. In total, 32 interviews were also carried out with general practitioners. Transcripts were analysed using qualitative content analysis...
June 13, 2017: Australian Journal of Primary Health
https://www.readbyqxmd.com/read/28598971/expression-of-inhibitory-receptors-and-polyfunctional-responses-of-t-cells-are-linked-to-the-risk-of-congenital-transmission-of-t-cruzi
#20
Adriana Egui, Paola Lasso, María Carmen Thomas, Bartolomé Carrilero, John Mario González, Adriana Cuéllar, Manuel Segovia, Concepción Judith Puerta, Manuel Carlos López
Congenital T. cruzi infections involve multiple factors in which complex interactions between the parasite and the immune system of pregnant women play important roles. In this study, we used an experimental murine model of chronic infection with T. cruzi to evaluate the changes in the expression of inhibitory receptors and the polyfunctionality of T cells during gestation and their association with congenital transmission rate of T. cruzi infection. The results showed that pregnant naïve mice had a higher percentage of CD4+ and CD8+ T cells that expressed inhibitory receptors than cells from non-pregnant naïve mice...
June 9, 2017: PLoS Neglected Tropical Diseases
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