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Maternal -baby play

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https://www.readbyqxmd.com/read/28239333/postnatal-light-effects-on-pup-stress-axis-development-are-independent-of-maternal-behavior
#1
Georgia Coleman, Maria M Canal
Postnatal environment shapes brain development during key critical periods. We have recently found that postnatal light environment has long-term effects on the stress and circadian systems, which can lead to altered stress responses, circadian behavior and a depressive phenotype in adulthood. However, it is still unclear how light experience affects the postnatal development of specific stress markers in the pup brain and the role played by maternal behavior and stress. To test this, we raised mice under either light-dark cycles (LD), constant light (LL) or constant darkness (DD) during the suckling stage...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28238826/environmental-factors-and-teenagers-personalities-the-role-of-personal-and-familial-socio-cultural-level
#2
Elisa Menardo, Giulia Balboni, Roberto Cubelli
: Environmental (e.g., socio-cultural context), individual (e.g., genetic makeup), and interpersonal (e.g., caregiver-children relationships) factors can play a crucial role in shaping the development of the teenagers' personality. In this study, we focused on the Socio-Cultural Level that designates the set of preferences, knowledge and behaviors that characterize an individual's way of life and depend on his or her cultural, social and economic resources. We studied the relationship between Socio-Cultural Level (personal, maternal and paternal) and Big Five personality traits of 191 teenagers living in the same geographical area...
February 23, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28238254/maternal-separation-induced-visceral-hypersensitivity-from-childhood-to-adulthood
#3
Lisha Yi, Haiqin Zhang, Huihui Sun, Lu Zhou, Ying Chen, Liqian Xuan, Yuanxi Jiang, Shuchang Xu
Background/Aims: Early adverse life events (EALs) are relevant to irritable bowel syndrome in adulthood. Maternal separation (MS), as one of the EALs, has proved to induce visceral hypersensitivity in adult rats. However, the effect of MS on visceral hypersensitvity from the post-weaning period to adulthood remains unknown. Methods: One hundred and ten neonatal SD rats were randomly divided into 2 groups: rats in the MS group were exposed to 3 hours daily MS on postnatal day (PND) 2-14; the normal control (NC) group remained undisturbed...
February 25, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28238023/speech-acts-during-friends-and-non-friends-spontaneous-conversations-in-preschool-dyads-with-high-functioning-autism-spectrum-disorder-versus-typical-development
#4
Nirit Bauminger-Zviely, Adi Golan-Itshaky, Gila Tubul-Lavy
In this study, we videotaped two 10-min. free-play interactions and coded speech acts (SAs) in peer talk of 51 preschoolers (21 ASD, 30 typical), interacting with friend versus non-friend partners. Groups were matched for maternal education, IQ (verbal/nonverbal), and CA. We compared SAs by group (ASD/typical), by partner's friendship status (friend/non-friend), and by partner's disability status. Main results yielded a higher amount and diversity of SAs in the typical than the ASD group (mainly in assertive acts, organizational devices, object-dubbing, and pretend-play); yet, those categories, among others, showed better performance with friends versus non-friends...
February 25, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28237326/metabolic-profiling-of-stages-of-healthy-pregnancy-in-hu-sheep-using-nuclear-magnetic-resonance-nmr
#5
Lingwei Sun, Yixuan Guo, Yixuan Fan, Haitao Nie, Ruocheng Wang, Feng Wang
Nutrition is one of the most important factors affecting the reproductive performance of animals. Changes in the ovine maternal metabolism during pregnancy are critical to fetal development. To understand the differences in ovine metabolic changes that occur during normal pregnancy, pregnant ewes carrying twin fetuses (n = 8) were selected at 35 days of gestation (dG). All ewes received 100% of National Research Council (NRC) requirements of all nutrients and energy during this experiment. At 50, 70, 90, and 110 dG, maternal plasma samples were collected and designated as one of four corresponding time points (T1, T2, T3, and T4, respectively)...
April 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28237236/influenza-a-virus-in-swine-breeding-herds-combination-of-vaccination-and-biosecurity-practices-can-reduce-likelihood-of-endemic-piglet-reservoir
#6
L A White, M Torremorell, M E Craft
Recent modelling and empirical work on influenza A virus (IAV) suggests that piglets play an important role as an endemic reservoir. The objective of this study is to test intervention strategies aimed at reducing the incidence of IAV in piglets and ideally, preventing piglets from becoming exposed in the first place. These interventions include biosecurity measures, vaccination, and management options that swine producers may employ individually or jointly to control IAV in their herds. We have developed a stochastic Susceptible-Exposed-Infectious-Recovered-Vaccinated (SEIRV) model that reflects the spatial organization of a standard breeding herd and accounts for the different production classes of pigs therein...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28235890/the-non-mendelian-green-cotyledon-gene-in-soybean-encodes-a-small-subunit-of-photosystem-ii
#7
Makoto Kusaba, Kaori Kohzuma, Yutaka Sato, Hisashi Ito, Ayako Okuzaki, Mai Watanabe, Hideki Kobayashi, Michiharu Nakano, Hiroshi Yamatani, Yu Masuda, Yumi Nagashima, Hiroyuki Fukuoka, Tetsuya Yamada, Akira Kanazawa, Keisuke Kitamura, Yutaka Tabei, Masahiko Ikeuchi, Wataru Sakamoto, Ayumi Tanaka
Chlorophyll degradation plays important roles in leaf senececne incuding regulation of the degradation of chlorophyll-binding proteins. Although most enzymes of the chlorophyll degradation pathway have been identified, the regulation of their activity has not been fully understood. Green cotyledon mutants in legume are stay green mutants, in which chlorophyll degradation is inhibited during leaf senescence and seed maturation. Among them, the soybean green cotyledon gene cytG is unique because it is maternally inherited...
February 24, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28231660/-effect-of-telbivudine-on-infants-born-to-hbsag-positive-mothers-with-non-hypo-response-to-hepatitis-b-vaccine-during-their-second-and-third-trimesters-of-pregnancy
#8
X X Xu, B Wang, X F Wang, H X Wen, F Zhang, Z Q Yang, H Y Hao, T Wang, X H Shi, Z D Fu, B Wang, S P Wang
Objective: To explore the effect of telbivudine treatment in a prevention program on infants born to HBsAg-positive mothers with non-/hypo-responsiveness to hepatitis B vaccine. Methods: A retrospective cohort study with a total of 321 HBsAg-positive pregnant women and their infants enrolled, was conducted. The mothers were recruited from the Third People' s Hospital of Taiyuan, from July 2011 to January 2013. According to the situation of telbivudine intake in second and third trimesters of pregnancy, the participants were divided into two groups: with telbivudine-treated or as control...
February 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28230720/role-of-vitamin-a-retinoic-acid-in-regulation-of-embryonic-and-adult-hematopoiesis
#9
REVIEW
Ana Cañete, Elena Cano, Ramón Muñoz-Chápuli, Rita Carmona
Vitamin A is an essential micronutrient throughout life. Its physiologically active metabolite retinoic acid (RA), acting through nuclear retinoic acid receptors (RARs), is a potent regulator of patterning during embryonic development, as well as being necessary for adult tissue homeostasis. Vitamin A deficiency during pregnancy increases risk of maternal night blindness and anemia and may be a cause of congenital malformations. Childhood Vitamin A deficiency can cause xerophthalmia, lower resistance to infection and increased risk of mortality...
February 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28229101/factors-associated-with-infant-bed-sharing
#10
Megan Heere, Beth Moughan, Joseph Alfonsi, Jennifer Rodriguez, Stephen Aronoff
Objective: Bed-sharing is associated with sudden infant death syndrome and accidental suffocation and strangulation in bed. The purpose of this study was to identify risk factors for newborn bed-sharing. Methods: Postpartum mothers from a university maternity service were contacted by phone to complete a survey. Demographic and environmental data were collected; newborn bed-sharing and sleep environment were self-reported. Results: A total of 1261 mothers completed surveys; bed-sharing was reported by 79 mothers (6...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/28228767/identification-of-zoupi-orthologs-in-soybean-potentially-involved-in-endosperm-breakdown-and-embryogenic-development
#11
Yaohua Zhang, Xin Li, Suxin Yang, Xianzhong Feng
Soybean (Glycine max Merr.) is the world's most widely grown legume and provides an important source of protein and oil. Improvement of seed quality requires deep insights into the genetic regulation of seed development. The endosperm serves as a temporary source of nutrients that are transported from maternal to filial tissues, and it also generates signals for proper embryo formation. Endosperm cell death is associated with the processes of nutrient transfer and embryo expansion. The bHLH domain transcription factor AtZHOUPI (AtZOU) plays a key role in both the lysis of the transient endosperm and the formation of embryo cuticle in Arabidopsis thaliana...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28225833/influence-of-hla-class-i-hla-class-ii-and-kirs-on-vertical-transmission-and-chronicity-of-hepatitis-c-virus-in-children
#12
A Ruiz-Extremera, E J Pavón-Castillero, M Florido, P Muñoz de Rueda, J A Muñoz-Gámez, J Casado, A Carazo, R Quiles, S M Jiménez-Ruiz, A Gila, J D Luna, J León, J Salmerón
BACKGROUND & AIM: There is evidence that maternal viral load of HCV during delivery influences the risk for Mother-to-child transmission (MTCT), but this does not explain all cases. We study the role of the immunogenetic profile (HLA, KIRs and KIR-ligand binding) of mothers and children in HCV-MTCT and in chronicity in the children. METHODOLOGY: 79 HCV-RNA (+) mothers and their 98 children were included. 24 children were infected, becoming chronic in 8 cases and clearing in 16...
2017: PloS One
https://www.readbyqxmd.com/read/28224202/germline-specific-dgcr8-knockout-in-zebrafish-using-a-back-approach
#13
Yun Liu, Zeyao Zhu, Idy H T Ho, Yujian Shi, Yuxin Xie, Jianzhen Li, Yong Zhang, Matthew T V Chan, Christopher H K Cheng
Zebrafish is an important model to study developmental biology and human diseases. However, an effective approach to achieve spatial and temporal gene knockout in zebrafish has not been well established. In this study, we have developed a new approach, namely bacterial artificial chromosome-rescue-based knockout (BACK), to achieve conditional gene knockout in zebrafish using the Cre/loxP system. We have successfully deleted the DiGeorge syndrome critical region gene 8 (dgcr8) in zebrafish germ line and demonstrated that the maternal-zygotic dgcr8 (MZdgcr8) embryos exhibit MZdicer-like phenotypes with morphological defects which could be rescued by miR-430, indicating that canonical microRNAs play critical role in early development...
February 21, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28223923/embryonic-and-postnatal-expression-of-aryl-hydrocarbon-receptor-mrna-in-mouse-brain
#14
Eiki Kimura, Chiharu Tohyama
Aryl hydrocarbon receptor (AhR), a member of the basic helix-loop-helix-Per-Arnt-Sim transcription factor family, plays a critical role in the developing nervous system of invertebrates and vertebrates. Dioxin, a ubiquitous environmental pollutant, avidly binds to this receptor, and maternal exposure to dioxin has been shown to impair higher brain functions and dendritic morphogenesis, possibly via an AhR-dependent mechanism. However, there is little information on AhR expression in the developing mammalian brain...
2017: Frontiers in Neuroanatomy
https://www.readbyqxmd.com/read/28223732/effects-of-sex-and-generation-on-hepatitis-b-viral-load-in-families-with-hepatocellular-carcinoma
#15
Ai-Ru Hsieh, Cathy Sj Fann, Chau-Ting Yeh, Hung-Chun Lin, Shy-Yi Wan, Yi-Cheng Chen, Chia-Lin Hsu, Jennifer Tai, Shi-Ming Lin, Dar-In Tai
AIM: To explore factors associated with persistent hepatitis B virus (HBV) infection in a cohort of hepatocellular carcinoma (HCC)-affected families and then investigate factors that correlate with individual viral load among hepatitis B surface antigen (HBsAg)-positive relatives. METHODS: We evaluated non-genetic factors associated with HBV replication in relatives of patients with HCC. Relatives of 355 HCC cases were interviewed using a structured questionnaire...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28219489/associations-between-autoimmune-diseases-and-attention-deficit-hyperactivity-disorder-a%C3%A2-nationwide-study
#16
Philip Rising Nielsen, Michael Eriksen Benros, Søren Dalsgaard
OBJECTIVE: Recent studies have suggested that autoimmune diseases and immune activation play a part in the pathogenesis of different neurodevelopmental disorders. This study investigated the association between a personal history and a family history of autoimmune disease and the risk of developing attention-deficit/hyperactivity disorder (ADHD). METHOD: A cohort was formed of all singletons born in Denmark from 1990 to 2007, resulting in a study population of 983,680 individuals followed from 1995 to 2012...
March 2017: Journal of the American Academy of Child and Adolescent Psychiatry
https://www.readbyqxmd.com/read/28215301/neurotrophic-factors-and-maternal-nutrition-during-pregnancy
#17
M Dhobale
Maternal nutrition is one of the major determinants of pregnancy outcome. It has been suggested that reduced intakes or lack of specific nutrients during pregnancy influences the length of gestation, proper placental and fetal growth during pregnancy. Maternal nutrition, particularly micronutrients such as folate and vitamin B12, and long-chain polyunsaturated fatty acids (LCPUFA) are the major determinants of the one carbon cycle and are suggested to be at the heart of intrauterine programming of diseases in adult life...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28212425/job-satisfaction-and-determinant-factors-among-midwives-working-at-health-facilities-in-addis-ababa-city-ethiopia
#18
Eyasu Tamru Bekru, Amsale Cherie, Antehun Alemayehu Anjulo
BACKGROUND: Midwives are the primary source of care and support for mothers and newborns at the most vulnerable time in their lives.The Ethiopian National Reproductive Health Strategy targeted reduction of Maternal Mortality rate to 267/100,000 live births in the years 2006-2015. Midwives play a crucial role in the care of pregnant women, from the first antenatal visit right through to the delivery and the postpartum period. METHODOLOGY: Institution based cross-sectional study was carried out from March 2015 to April 2015 in Addis Ababa city, Ethiopia to assess job satisfaction and its determinants among midwives working at government health facilities...
2017: PloS One
https://www.readbyqxmd.com/read/28209484/successful-provision-of-inter-hospital-extracorporeal-cardiopulmonary-resuscitation-for-acute-post-partum-pulmonary-embolism
#19
C McDonald, J Laurie, S Janssens, C Zazulak, P Kotze, K Shekar
Mortality during pregnancy in a well-resourced setting is rare, but acute pulmonary embolism is one of the leading causes. We present the successful use of extracorporeal cardiopulmonary resuscitation (eCPR) in a 22-year old woman who experienced cardiopulmonary collapse following urgent caesarean section in the setting of a sub-massive pulmonary embolus. Resources and personnel to perform eCPR were not available at the maternity hospital and were recruited from an adjacent pediatric hospital. Initial care used low blood flow extracorporeal membrane oxygenation (ECMO) with pediatric ECMO circuitry, which was optimized when the team from a nearby adult cardiac hospital arrived...
January 9, 2017: International Journal of Obstetric Anesthesia
https://www.readbyqxmd.com/read/28208845/role-of-altered-venous-blood-lactate-and-hba1c-in-women-with-gestational-diabetes-mellitus
#20
C S Nagalakshmi, N U Santhosh, N Krishnamurthy, Chethana Chethan, M K Shilpashree
INTRODUCTION: Being a mirror image of metabolic syndrome, Gestational Diabetes Mellitus (GDM) is associated with significant maternal and fetal morbidity. Increased blood lactate concentration and alterations of substrate utilization are partly involved in development of insulin resistance in GDM. Fetuses born to such mothers have shown low umbilical vein oxygen saturation and low oxygen content and increased lactate concentrations. These changes may certainly reflect enhanced fetal metabolism as a result of hyperglycaemia and hyperinsulinemia and therefore, these fetuses deserve intense surveillance at term and during delivery...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
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