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maternal separation

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https://www.readbyqxmd.com/read/28441431/correction-maternal-separation-impairs-cocaine-induced-behavioural-sensitization-in-adolescent-mice
#1
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0167483.].
2017: PloS One
https://www.readbyqxmd.com/read/28441394/maternal-obese-type-gut-microbiota-differentially-impact-cognition-anxiety-and-compulsive-behavior-in-male-and-female-offspring-in-mice
#2
Annadora J Bruce-Keller, Sun-Ok Fernandez-Kim, R Leigh Townsend, Claudia Kruger, Richard Carmouche, Susan Newman, J Michael Salbaum, Hans-Rudolf Berthoud
Maternal obesity is known to predispose offspring to metabolic and neurodevelopmental abnormalities. While the mechanisms underlying these phenomena are unclear, high fat diets dramatically alter intestinal microbiota, and gut microbiota can impact physiological function. To determine if maternal diet-induced gut dysbiosis can disrupt offspring neurobehavioral function, we transplanted high fat diet- (HFD) or control low fat diet-associated (CD) gut microbiota to conventionally-housed female mice. Recipient mice were then bred and the behavioral phenotype of male and female offspring was tracked...
2017: PloS One
https://www.readbyqxmd.com/read/28439397/transcriptomic-analysis-of-maternally-provisioned-cues-for-phenotypic-plasticity-in-the-annual-killifish-austrofundulus-limnaeus
#3
Amie L Romney, Jason E Podrabsky
BACKGROUND: Genotype and environment can interact during development to produce novel adaptive traits that support life in extreme conditions. The development of the annual killifish Austrofundulus limnaeus is unique among vertebrates because the embryos have distinct cell movements that separate epiboly from axis formation during early development, can enter into a state of metabolic dormancy known as diapause and can survive extreme environmental conditions. The ability to enter into diapause can be maternally programmed, with young females producing embryos that do not enter into diapause...
2017: EvoDevo
https://www.readbyqxmd.com/read/28437562/no-post-copulatory-selection-against-mhc-homozygous-offspring-evidence-from-a-pedigreed-captive-rhesus-macaque-colony
#4
E H M Sterck, R E Bontrop, N de Groot, A J M de Vos-Rouweler, G G M Doxiadis
The heterozygosity status of polymorphic elements of the immune system, such as the Major Histocompatability Complex (MHC), are known to increase the potential to cope with a wider variety of pathogens. Pre- and post-copulatory processes may regulate MHC heterozygosity. In a population where mating occurs among individuals that share identical MHC-haplotypes, post-copulatory selection may disfavour homozygous offspring or ones with two MHC-haplotypes identical to its mother. We tested these ideas by determining the incidence of MHC-heterozygous and MHC-homozygous individuals in a pedigreed, partially consanguineous captive rhesus monkey colony...
April 24, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28435022/maternal-separation-induced-hippocampal-changes-in-cadherin-1-cdh-1-mrna-and-on-recognition-memory-in-adolescent-mice
#5
Lucas Araújo de Azeredo, Luis Eduardo Wearick-Silva, Thiago Wendt Viola, Saulo Gantes Tractenberg, Anderson Centeno da Silva, Rodrigo Orso, Nadja Schröder, Timothy William Bredy, Rodrigo Grassi-Oliveira
In rodents, disruption of mother-infant attachment induced by maternal separation (MS) is associated with recognition memory impairment and long-term neurobiological consequences. Particularly stress-induced modifications have been associated to disruption of cadherin (CDH) adhesion function, which plays an important role in remodeling of neuronal connection and synaptic plasticity. This study investigated the sex-dependent effect of MS on recognition memory and mRNA levels of classical type I and type II CDH and the related β -catenin (β -Cat) in the hippocampus and prefrontal cortex of late adolescent mice...
April 20, 2017: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/28433802/role-of-environmental-stressors-in-determining-the-developmental-outcome-of-neonatal-anesthesia
#6
Ling-Sha Ju, Jiao-Jiao Yang, Nikolaus Gravenstein, Christoph N Seubert, Timothy E Morey, Colin Sumners, Terrie Vasilopoulos, Jian-Jun Yang, Anatoly E Martynyuk
BACKGROUND: The majority of studies evaluating neurocognition in humans who had procedures under anesthesia early in life found long-term deficits even though the typical anesthesia duration normalized to the human life span is much shorter than that shown to induce developmental abnormalities in rodents. Therefore, we studied whether subsequent environmental stressors contribute to deficiencies programmed by a brief neonatal etomidate exposure. METHODS: Postnatal days (P) 4, 5, or 6, Sprague-Dawley rats, pretreated with vehicle or the Na(+)-K(+)-2Cl(-) (NKCC1) inhibitor, bumetanide, received two injections of etomidate resulting in anesthesia for 2h...
April 7, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28432029/suppression-of-reward-induced-dopamine-release-in-the-nucleus-accumbens-in-animal-models-of-depression-differential-responses-to-drug-treatment
#7
Saki Minami, Hiroshi Satoyoshi, Soichiro Ide, Takeshi Inoue, Mitsuhiro Yoshioka, Masabumi Minami
Anhedonia, the loss of interest or pleasure in previously enjoyable activities, is a core symptom of major depressive disorder, suggesting that the brain reward system may be dysfunctional in this condition. Neurochemical changes in the mesolimbic dopamine (DA) system are not fully understood in animal models of depression. We investigated reward (30% sucrose intake)-induced DA release in the nucleus accumbens (NAc) and the effect of chronic treatment with the antidepressant escitalopram (5mg/kg, intraperitoneally twice daily for 3 weeks) in two animal models of depression...
April 18, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28431155/motoring-through-the-role-of-kinesin-superfamily-proteins-in-female-meiosis
#8
Nicole J Camlin, Eileen A McLaughlin, Janet E Holt
BACKGROUND: The kinesin motor protein family consists of 14 distinct subclasses and 45 kinesin proteins in humans. A large number of these proteins, or their orthologues, have been shown to possess essential function(s) in both the mitotic and the meiotic cell cycle. Kinesins have important roles in chromosome separation, microtubule dynamics, spindle formation, cytokinesis and cell cycle progression. This article contains a review of the literature with respect to the role of kinesin motor proteins in female meiosis in model species...
April 18, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/28421876/congenital-tuberculosis-case-report-and-review-of-the-literature
#9
Ching-Wen Chang, Patricia Wanping Wu, Chih-Hua Yeh, Kin-Sun Wong, Chao-Jan Wang, Chih-Chen Chang
Congenital tuberculosis is rare, even where tuberculosis (TB) is endemic. A 14-day-old girl presented with a 3-day history of fever and respiratory distress. Her mother was diagnosed with a disseminated TB infection immediately after the delivery which was confirmed by a positive TB-polymerase chain reaction (TB-PCR) and subsequent culture from ascites and sputum. The infant was separated from her mother at birth. Her chest radiograph showed bilateral miliary nodules. Congenital TB was strongly suspected because of the symptoms, signs and maternal TB history, and was confirmed by TB-PCR and culture from the gastric lavage...
April 19, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28421136/time-from-pre-eclampsia-diagnosis-to-delivery-affects-future-health-prospects-of-children
#10
Birgitte Hollegaard, Jacob A Lykke, Jacobus J Boomsma
Background and objectives: Pre-eclampsia often has detrimental health effects for pregnant women and their fetuses, but whether exposure in the womb has long-term health-consequences for children as they grow up remains poorly understood. We assessed overall morbidity of children following exposure to either mild or severe pre-eclampsia up to 30 years after birth and related disease risks to duration of exposure, i.e. the time from diagnosis to delivery. Methodology: We did a registry-based retrospective cohort study in Denmark covering the years 1979-2009, using the separate diagnoses of mild and severe pre-eclampsia and the duration of exposure as predictor variables for specific and overall risks of later disease...
2017: Evolution, Medicine, and Public Health
https://www.readbyqxmd.com/read/28418698/incidence-and-risk-factors-of-mastitis-in-shiraz-iran-results-of-a-cohort-study
#11
Mahnaz Zarshenas, Yun Zhao, Shahnaz Poorarian, Colin W Binns, Jane A Scott
BACKGROUND: Approximately one in five Western women who breastfeed are likely to experience acute mastitis. This study investigated the incidence and risk factors of acute mastitis in a cohort of Iranian women. SUBJECTS AND METHODS: Subjects were 672 participants of the Shiraz Infant Feeding Study conducted between June 2014 and March 2015. Mothers were recruited from the maternity ward and followed up at 1, 3, 4, and 6 months postpartum to obtain information on their breastfeeding practices and experiences...
April 18, 2017: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/28416607/human-milk-oligosaccharides-inhibit-growth-of-group-b-streptococcus
#12
Ann E Lin, Chloe A Autran, Alexandra Szyszka, Tamara Escajadillo, Mia Huang, Kamil Godula, Anthony R Prudden, Geert-Jan Boons, Amanda L Lewis, Kelly S Doran, Victor Nizet, Lars Bode
Streptococcus agalactiae (group B Streptococcus; GBS) is a leading cause of invasive bacterial infections in newborns, typically acquired vertically during childbirth secondary to maternal vaginal colonization. Human milk oligosaccharides (HMOs) have important nutritional and biological activities that guide development of the infant's immune system and shape the composition of normal gut microbiota. In this manner, HMOs help protect against pathogen colonization and reduce risk of infection. In the course of our studies of HMO-microbial interactions, we unexpectedly uncovered a novel HMO property to directly inhibit the growth of GBS, independent of host immunity...
April 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28414589/progesterone-decreases-in-vitro-indoleamine-2-3-dioxygenase-expression-in-dendritic-and-cd4-cells-from-maternal-fetal-interface-of-rats
#13
Pedro Kastein Faria da Cunha Bianchi, Rafael Magdanelo Leandro, Aline Nayara Poscai, Tulio Yoshinaga, Patrícia Orlandini Gonçalez, José Roberto Kfoury Junior
PROBLEM: Several mechanisms contribute to the tolerogenic state observed during pregnancy, such as the activity of the enzyme indoleamine 2, 3-dioxygenase (IDO). This initializes the catabolism of tryptophan, inducing T cells to apoptosis due to its deprivation and by the action of its catabolites in the placental microenvironment. Progesterone plays an important part on immunological tolerance mechanisms during pregnancy; however, there is no evidence it is related to IDO activity. Thus, this study aimed to investigate progesterone influence on the maternal-fetal interface of pregnant Wistar rats, by identifying IDO positive cells by immunophenotyping and flow cytometry under exogenous progesterone supplementation...
April 17, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28414132/epigenetic-modification-of-glucocorticoid-receptor-promoter-i7-in-maternally-separated-and-restraint-stressed-rats
#14
Sung Woo Park, Jung Goo Lee, Mi Kyoung Seo, Nguyen Ngoc Ly, Chan Hong Lee, Hye Yeon Cho, Le Thi Hein, Ah Jeong Choi, Gyung-Mee Kim, Young Hoon Kim
Glucocorticoid receptor (GR) promoter I7 is susceptible to epigenetic changes induced by environmental influences. Early life stress (ELS) has a persistent impact on GR expression, as well as behavior, in adult rodents via epigenetic changes of GR promoter I7. Moreover, various stressors can induce histone modifications in this region during adulthood. Thus, the present study aimed to investigate whether maternally separated (MS) rats exposed to chronic restraint stress (RS) would exhibit histone modifications of GR promoter I7 in the hippocampus...
April 13, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28414124/roles-of-pirnas-in-microcystin-leucine-arginine-mc-lr-induced-reproductive-toxicity-in-testis-on-male-offspring
#15
Ling Zhang, Hui Zhang, Huan Zhang, Mikael Benson, Xiaodong Han, Dongmei Li
In the present study, we evaluated the toxic effects on the testis of the male offspring of MC-LR exposure during fetal and lactational periods. Pregnant females were distributed into two experimental groups: control group and MC-LR group which were exposed to 0 and 10 μg/L of MC-LR, respectively, through drinking water separately during fetal and lactational periods. At the age of 30 days after birth, the male offspring were euthanized. The body weight, testis index, and histomorphology change were observed and the global changes of piwi-interacting RNA (piRNA) expression were evaluated...
April 13, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28409309/asymmetric-and-unequal-cell-divisions-in-ascidian-embryos
#16
Takefumi Negishi, Hiroki Nishida
Asymmetric cell division during embryogenesis contributes to cell diversity by generating daughter cells that adopt distinct developmental fates. In this chapter, we summarize current knowledge of three examples of asymmetric cell division occurring in ascidian early embryos: (1) Three successive cell divisions that are asymmetric in terms of cell fate and unequal in cell size in the germline lineage at the embryo posterior pole. A subcellular structure, the centrosome-attracting body (CAB), and maternal PEM mRNAs localized within it control both the positioning of the cell division planes and segregation of the germ cell fates...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28407452/uptake-and-performance-of-prevention-of-mother-to-child-transmission-and-early-infant-diagnosis-in-pregnant-hiv-infected-women-and-their-exposed-infants-at-seven-health-centres-in-addis-ababa-ethiopia
#17
Marshet Girma, Rahel Wendaferash, Hailu Shibru, Yemane Berhane, Michael Hoelscher, Arne Kroidl
OBJECTIVE: To assess the uptake of WHO-recommended PMTCT procedures in Ethiopia's health services. METHODS: Prospective observational study of HIV-positive pregnant mothers and their newborns attending PMTCT services at seven health centres in Addis Ababa. Women were recruited during antenatal care and followed-up with their newborns at delivery, day 6 and week 6 postpartum. Retention to PMCTC procedures, self-reported ART adherence, and HIV infant outcome were assessed...
April 13, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28406856/treating-women-who-are-pregnant-and-parenting-for-opioid-use-disorder-and-the-concurrent-care-of-their-infants-and-children-literature-review-to-support-national-guidance
#18
Stacey L Klaman, Krystyna Isaacs, Anne Leopold, Joseph Perpich, Susan Hayashi, Jeff Vender, Melinda Campopiano, Hendrée E Jones
OBJECTIVES: The prevalence of opioid use disorder (OUD) during pregnancy is increasing. Practical recommendations will help providers treat pregnant women with OUD and reduce potentially negative health consequences for mother, fetus, and child. This article summarizes the literature review conducted using the RAND/University of California, Los Angeles Appropriateness Method project completed by the US Department of Health and Human Services Substance Abuse and Mental Health Services Administration to obtain current evidence on treatment approaches for pregnant and parenting women with OUD and their infants and children...
April 13, 2017: Journal of Addiction Medicine
https://www.readbyqxmd.com/read/28406487/the-effect-of-maternal-habitus-on-macronutrient-content-of-human-milk-colostrum
#19
L Mangel, F B Mimouni, N Feinstein-Goren, R Lubetzky, D Mandel, R Marom
OBJECTIVE: There is a paucity of studies on the impact of maternal body mass index (BMI) on macronutrient content of human milk colostrum (HMC). The objective of this study was to compare macronutrient content of HMC in healthy women of term infants in relation to their BMI. We hypothesized that mother habitus influences human milk colostrum content. METHOD: Colostrum was collected from 109 healthy mothers of hospitalized healthy term infants divided into four prepregnancy BMI groups: 12 underweight, 59 normal weight, 20 overweight, and 18 obese women between 24 and 72 h after birth...
April 13, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28401846/proof-of-concept-of-a-mind-mindedness-intervention-for-mothers-hospitalized-for-severe-mental-illness
#20
Robin Schacht, Elizabeth Meins, Charles Fernyhough, Luna C M Centifanti, Jean-François Bureau, Susan Pawlby
Studies 1 and 2 investigated how maternal severe mental illness (SMI) related to mothers' mind-mindedness (appropriate and nonattuned mind-related comments). Study 1 showed that mothers with SMI (n = 50) scored lower than psychologically well mothers for both appropriate and nonattuned comments, whereas mothers with SMI in Study 2 (n = 22) had elevated levels of nonattuned comments. Study 2 also tested the efficacy of a single-session video-feedback intervention to facilitate mind-mindedness in mothers with SMI...
May 2017: Development and Psychopathology
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