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https://www.readbyqxmd.com/read/28728396/characterization-and-functional-inferences-of-a-genome-wide-dna-methylation-profile-in-the-loin-longissimus-dorsi-muscle-of-swine
#1
Woonsu Kim, Hyesun Park, Kang-Seok Seo, Seongwon Seo
Objective: DNA methylation plays a major role in regulating the expression of genes related to traits of economic interest (e.g., weight gain) in livestock animals. This study characterized and investigated the functional inferences of genome-wide DNA methylome in the loin (longissimus dorsi) muscle (LDM) of swine. Methods: A total of 8.99 Gb methylated DNA immunoprecipitation sequence data were obtained from LDM samples of eight Duroc pigs (four pairs of littermates)...
May 14, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727724/grandmothering-and-cognitive-resources-are-required-for-the-emergence-of-menopause-and-extensive-post-reproductive-lifespan
#2
Carla Aimé, Jean-Baptiste André, Michel Raymond
Menopause, the permanent cessation of ovulation, occurs in humans well before the end of the expected lifespan, leading to an extensive post-reproductive period which remains a puzzle for evolutionary biologists. All human populations display this particularity; thus, it is difficult to empirically evaluate the conditions for its emergence. In this study, we used artificial neural networks to model the emergence and evolution of allocation decisions related to reproduction in simulated populations. When allocation decisions were allowed to freely evolve, both menopause and extensive post-reproductive life-span emerged under some ecological conditions...
July 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28721519/variations-of-cocoon-external-lipids-during-wolf-spiderlings-development
#3
F Ruhland, S Schulz, Marie Trabalon
This study presents the first characterisation of the silk lipids of the cocoons of a wolf spider (Pardosa saltans). Wolf spiders' maternal behaviour is complex and involves guarding a cocoon for several weeks, and so cocoons must emit cues to ensure their care and the development of juveniles. We investigated cues associated with the cocoon silk. We assessed qualitative changes of the lipid contents and the composition of cocoon silk in relation to the development of P. saltans wolf spider juveniles. Gas chromatography-mass spectrometry of P...
July 18, 2017: Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology
https://www.readbyqxmd.com/read/28720399/prenatal-and-postnatal-administration-of-prebiotics-and-probiotics
#4
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/28720051/plasma-and-amniotic-fluid-ppar%C3%AE-is-involved-in-the-lipid-metabolism-of-maternal-fetal-interface-cells
#5
Yan Cheng, Shuangping Liu, Ru Lin, Jue Wang, Ting Peng, Qingying Zhang, Haidong Cheng
OBJECTIVES: The aim of this study was at detecting the expression of peroxisome proliferator-activated receptor γ (PPARγ) in patients with gestational diabetes mellitus (GDM) and to investigate whether PPARγ regulates the lipid metabolism of maternal-fetal interface cells. METHODS: We detected the expression of PPARγ in the maternal plasma, fetal plasma and amniotic fluid of two groups of women with GDM or normal pregnancy using ELISA and western blot. Establish the cell models of the indirect coculture model and the separate culture model using BeWo cells and endometrial stromal cells (ESCs)...
July 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28719641/inversion-of-the-imprinting-control-region-of-the-peg3-domain
#6
Joomyeong Kim, Hongzhi He, Hana Kim
The imprinting of the mouse Peg3 domain is controlled through a 4-kb genomic region encompassing the bidirectional promoter and 1st exons of Peg3 and Usp29. In the current study, this ICR was inverted to test its orientation dependency for the transcriptional and imprinting control of the Peg3 domain. The inversion resulted in the exchange of promoters and 1st exons between Peg3 and Usp29. Paternal transmission of this inversion caused 10-fold down-regulation of Peg3 and 2-fold up-regulation of Usp29 in neonatal heads, consistent with its original promoter strength in each direction...
2017: PloS One
https://www.readbyqxmd.com/read/28716604/endothelial-progenitor-cell-subsets-and-preeclampsia-findings-and-controversies
#7
REVIEW
Armin Attar, Ahmad Monabati, Mohammad-Ebrahim Parsanezhad
Vascular remodeling is an essential component of gestation. Endothelial progenitor cells (EPCs) play an important role in the regulation of vascular homeostasis. The results of studies measuring the number of EPCs in normal pregnancies and in preeclampsia have been highly controversial or even contradictory because of some variations in technical issues and different methodologies enumerating three distinct subsets of EPCs: circulating angiogenic cells (CAC), colony forming unit endothelial cells (CFU-ECs), and endothelial colony-forming cells (ECFCs)...
July 14, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28714660/maternal-mortality-in-the-developed-world-a-review-of-surveillance-methods-levels-and-causes-of-maternal-deaths-during-2006-2010
#8
Andreea A Creanga
This article provides an overview of surveillance methods, levels, and causes of maternal mortality in developed countries (Europe and the United States) during 2006-2010. Accurate identification of maternal deaths is not always possible, and no two countries in the world use the same surveillance methods for maternal mortality. Despite limitations (underestimation, missclassification), routine vital registration systems are the backbone of maternal mortality surveillance systems in developed countries. Enhanced surveillance methods involve linkages between deaths of women of reproductive age and births within the preceding year, or the use of additional data sources for maternal deaths...
July 17, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28713687/group-psychological-intervention-for-maternal-depression-a-nested-qualitative-study-from-karachi-pakistan
#9
Nusrat Husain, Nasim Chaudhry, Christine Furber, Hina Fayyaz, Tayyeba Kiran, Farah Lunat, Raza Ur Rahman, Saira Farhan, Batool Fatima
AIM: To understand the experience of maternal depression, the factors implicated in accessing health, and the acceptability of the psychosocial intervention. METHODS: The participants were recruited from the paediatrics outpatient department of Civil Hospital Karachi, Pakistan. The study started in December 2009 and completed in December 2010. Women with maternal depression, aged 18-44 years with children aged 0-30 mo who had received nutritional supplements, and participated in the intervention programme [called Learning through Play (LTP) plus] were included in the study...
June 22, 2017: World Journal of Psychiatry
https://www.readbyqxmd.com/read/28712289/comprehensive-proteomic-analysis-of-pgc7-interacting-proteins
#10
Liu Hongliang, Zhang Lei, Wei Qing, Shi Zhaopeng, Shi Xiaoyan, Du Juan, Huang Chenyang, Zhang Yong, Guo Zekun
Primordial germ cell 7 (PGC7), a maternal factor essential for early development, plays a critical role in the regulation of DNA methylation, transcriptional repression, chromatin condensation, and cell division and the maintenance of cell pluripotentiality. Despite the fundamental roles of PGC7 in these cellular processes, only a few molecular and functional interactions of PGC7 have been reported. Here, a streptavidin-biotin affinity purification technique combined with LC-MS/MS was used to analyze potential proteins that interact with PGC7...
July 16, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28710882/mid-trimester-preterm-premature-rupture-of-membranes-pprom-etiology-diagnosis-classification-international-recommendations-of-treatment-options-and-outcome
#11
REVIEW
Michael Tchirikov, Natalia Schlabritz-Loutsevitch, James Maher, Jörg Buchmann, Yuri Naberezhnev, Andreas S Winarno, Gregor Seliger
Mid-trimester preterm premature rupture of membranes (PPROM), defined as rupture of fetal membranes prior to 28 weeks of gestation, complicates approximately 0.4%-0.7% of all pregnancies. This condition is associated with a very high neonatal mortality rate as well as an increased risk of long- and short-term severe neonatal morbidity. The causes of the mid-trimester PPROM are multifactorial. Altered membrane morphology including marked swelling and disruption of the collagen network which is seen with PPROM can be triggered by bacterial products or/and pro-inflammatory cytokines...
July 15, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28709785/implementing-and-evaluating-a-telephone-based-centralized-maternity-care-coordination-program-for-pregnant-veterans-in%C3%A2-the-department-of-veterans-affairs
#12
Kristin M Mattocks, Judy Kuzdeba, Rebecca Baldor, Jose Casares, Lisa Lombardini, Megan R Gerber
PURPOSE: The purpose of this study was to develop and evaluate a comprehensive, telephonic maternity care coordination (MCC) program for all pregnant veterans enrolled for care at New England Department of Veterans Affairs (VA) facilities that comprise the Veterans Integrated Service Network 1. RESEARCH DESIGN: Telephone interviews were conducted with postpartum women veterans who had participated in the MCC program during their pregnancies. The program evaluation instrument assessed satisfaction and use of MCC services, prenatal education classes, and infant and maternal outcomes (e...
July 11, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/28709470/the-effects-of-cognitive-bias-modification-training-and-oxytocin-administration-on-trust-in-maternal-support-study-protocol-for-a-randomized-controlled-trial
#13
Martine W F T Verhees, Eva Ceulemans, Marian J Bakermans-Kranenburg, Marinus H van IJzendoorn, Simon de Winter, Guy Bosmans
BACKGROUND: Lack of trust in parental support is a transdiagnostic risk factor for the development of psychological problems throughout the lifespan. Research suggests that children's cognitive attachment representations and related information processing biases could be an important target for interventions aiming to build trust in the parent-child relationship. A paradigm that can alter these biases and increase trust is that of Cognitive Bias Modification (CBM), during which a target processing bias is systematically trained...
July 14, 2017: Trials
https://www.readbyqxmd.com/read/28709003/3d-chromatin-structures-of-mature-gametes-and-structural-reprogramming-during-mammalian-embryogenesis
#14
Yuwen Ke, Yanan Xu, Xuepeng Chen, Songjie Feng, Zhenbo Liu, Yaoyu Sun, Xuelong Yao, Fangzhen Li, Wei Zhu, Lei Gao, Haojie Chen, Zhenhai Du, Wei Xie, Xiaocui Xu, Xingxu Huang, Jiang Liu
High-order chromatin structure plays important roles in gene expression regulation. Knowledge of the dynamics of 3D chromatin structures during mammalian embryo development remains limited. We report the 3D chromatin architecture of mouse gametes and early embryos using an optimized Hi-C method with low-cell samples. We find that mature oocytes at the metaphase II stage do not have topologically associated domains (TADs). In sperm, extra-long-range interactions (>4 Mb) and interchromosomal interactions occur frequently...
July 13, 2017: Cell
https://www.readbyqxmd.com/read/28708987/a-delphi-study-to-validate-competency-based-criteria-to-assess-undergraduate-midwifery-students-competencies-in-the-maternity-ward
#15
M Embo, K Helsloot, N Michels, M Valcke
BACKGROUND: workplace learning plays a crucial role in midwifery education. Twelve midwifery schools in Flanders (Belgium) aimed to implement a standardised and evidence-based method to learn and assess competencies in practice. This study focuses on the validation of competency-based criteria to guide and assess undergraduate midwifery students' postnatal care competencies in the maternity ward. METHOD: an online Delphi study was carried out. During three consecutive sessions, experts from workplaces and schools were invited to score the assessment criteria as to their relevance and feasibility, and to comment on the content and their formulation...
July 6, 2017: Midwifery
https://www.readbyqxmd.com/read/28707738/prenatal-exposure-to-dexamethasone-in-the-mouse-induces-sex-specific-differences-in-placental-gene-expression
#16
Ji-Yeon Lee, Hyo Jung Yun, Clara Yuri Kim, Yong Woo Cho, Yongmin Lee, Myoung Hee Kim
Prenatal stress during pregnancy leads to sex-specific effects on fetal development and disease susceptibility over the life span; however, the origin of sex differences has not been identified. The placenta not only plays a key role in fetal growth and development throughout pregnancy, but also affects the fetal programming underlying subsequent adult health and accounts. Therefore, sex-specific adaptation of the placenta may be central to the sex differences in fetal growth and survival. Here, we analyzed the effects of prenatal dexamethasone (Dex) on sex-specific changes in placental gene expression using RNA-Seq...
July 14, 2017: Development, Growth & Differentiation
https://www.readbyqxmd.com/read/28707000/inducing-maternal-inflammation-promotes-leptin-production-in-offspring-but-does-not-improve-allergic-symptoms-in-a-mouse-model-of-allergic-rhinitis
#17
Atsuko Imai, Keiko Satoi, Eka Fujimoto, Kazuto Sato
AIMS: The intrauterine environment is considered to affect immunological development in fetus, leading to an increased risk of developing allergy. In particular, maternal lipopolysaccharides (LPS) administration might regulate the development of allergic disease in offspring. Several studies have shown that being obese relates to a higher prevalence of allergic diseases compared to normal weight. The present study explored the effects of inducing maternal inflammation with LPS before pregnancy on body weight, physical composition including body fat, adipokine production, and pathology of allergic rhinitis in offspring...
June 2017: Heliyon
https://www.readbyqxmd.com/read/28706733/the-effect-of-characteristics-of-proteins-fed-during-gestation-and-lactation-on-development-of-metabolic-syndrome-in-dams-and-male-offspring-of-wistar-rats
#18
A Jahan-Mihan, C A Labyak, A Y Arikawa
OBJECTIVE: The objective of the study is to examine the role of characteristics of proteins in maternal and weaning diets on risk of metabolic syndrome in male offspring. METHODS: Pregnant Wistar rats were allocated to two groups (n = 12) and were fed the AIN-93G diets based on either intact protein-based diet (IPD) or mixed amino acid-based diet (AAD) from day 3 of gestation throughout gestation and lactation. Male offspring were weaned to either an IPD or AAD diet for 18 weeks...
June 2017: Obesity Science & Practice
https://www.readbyqxmd.com/read/28706476/long-term-sex-dependent-vulnerability-to-metabolic-challenges-in-prenatally-stressed-rats
#19
Pamela Panetta, Alessandra Berry, Veronica Bellisario, Sara Capoccia, Carla Raggi, Alessia Luoni, Linda Longo, Marco A Riva, Francesca Cirulli
Prenatal stress (PNS) might affect the developmental programming of adult chronic diseases such as metabolic and mood disorders. The molecular mechanisms underlying such regulations may rely upon long-term changes in stress-responsive effectors such as Brain-Derived Neurotrophic Factor (BDNF) that can affect neuronal plasticity underlying mood disorders and may also play a role in metabolic regulation. Based upon previous data, we hypothesized that PNS might lead to greater vulnerability to an obesogenic challenge experienced at adulthood...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28706466/modeling-the-potential-impact-of-emerging-innovations-on-achievement-of-sustainable-development-goals-related-to-maternal-newborn-and-child-health
#20
Tara Herrick, Claudia Harner-Jay, Craig Shaffer, Greg Zwisler, Peder Digre, Amie Batson
BACKGROUND: Innovations that improve the affordability, accessibility, or effectiveness of health care played a major role in the Millennium Development Goal achievements and will be critical for reaching the ambitious new Sustainable Development Goal (SDG) health targets. Mechanisms to identify and prioritize innovations are essential to inform future investment decisions. METHODS: Innovation Countdown 2030 crowdsourced health innovations from around the world and engaged recognized experts to systematically assess their lifesaving potential by 2030...
2017: Cost Effectiveness and Resource Allocation: C/E
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