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International Journal of Developmental Neuroscience

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https://www.readbyqxmd.com/read/28919371/perinatal-deficiency-in-dietary-omega-3-fatty-acids-potentiates-sucrose-reward-and-diet-induced-obesity-in-mice
#1
Stéphanie Auguste, Sandeep Sharma, Alexandre Fisette, Caroline Daneault, Christine Des Rosiers, Stephanie Fulton
Insufficient dietary intake of essential omega-3 polyunsaturated fatty acids (N-3), especially during critical stages of development, is well-associated with negative neurological and metabolic consequences. The increased availability and intake of foods rich in saturated fat coincides with reduced N-3 consumption, yet how N-3 dietary deficiency during perinatal development modulates motivation for palatable food and interacts with a high-fat diet to affect body weight and emotional states is not clear. Pregnant C57Bl6 mice and pups were subjected to diets either deficient or adequate (control) in N-3 until postnatal day 21...
September 14, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28888818/consequences-of-perinatal-hypoxia-in-developing-brain-changes-in-gaba-transporter-functioning-in-cortical-hippocampal-and-thalamic-rat-nerve-terminals
#2
Natalia Pozdnyakova
Perinatal hypoxia leads to behavioral abnormalities, cognitive disabilities, and epilepsy resulting from alterations in neurodevelopment, maturation and construction of the network. Considering a particular role of γ-aminobutyric acid (GABA) for an immature brain, we analysed transporter-mediated [(3)H]GABA uptake in the cortical, hippocampal and thalamic nerve terminals isolated from rats of different age in the control and after perinatal hypoxia. The state of hypoxia was induced by exposure of rats at the age of 10 postnatal days (pd) (that corresponds approximately to the time of birth in humans) to a respiratory medium with low O2 content (4% O2 and 96%N2) for 12min (up to the initiation of clonico-tonic seizures)...
September 6, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28887013/morphine-exposure-and-maternal-deprivation-during-the-early-postnatal-period-alter-neuromotor-development-and-nerve-growth-factor-levels
#3
Carla de Oliveira, Vanessa L Scarabelot, Rafael Vercelino, Natalia P Silveira, Lauren N S Adachi, Gabriela G Regner, Lisiane S Silva, Isabel Cristina de Macedo, Andressa de Souza, Wolnei Caumo, Iraci L S Torres
The objective of this study was to verify whether repeated morphine administration and maternal deprivation in early life alter neurobehavioral development and central nerve growth factor (NGF) levels. A total of 58 male Wistar rat pups were used in our study. From postnatal day 1 (P1), litters were daily deprived of their mother for 3h; this was continued for the first 10days of life. Animals were divided into 5 groups: total control (C), did not receive any intervention; saline (S), received saline solution; morphine (M), received morphine; deprived-saline group (DS), were subjected to maternal deprivation and received saline solution; and deprived-morphine (DM), were subjected to maternal deprivation and received morphine...
September 5, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28859888/postnatal-development-of-gabaergic-interneurons-and-perineuronal-nets-in-mouse-temporal-cortex-subregions
#4
Hiroshi Ueno, Shunsuke Suemitsu, Shinji Murakami, Naoya Kitamura, Kenta Wani, Motoi Okamoto, Shozo Aoki, Takeshi Ishihara
In human neuropsychiatric disorders, there are functional and anatomical abnormalities of GABAergic interneurons in each temporal cortex subregion. Furthermore, accumulation of amyloid-β is observed in the temporal cortex in the early stages of Alzheimer's disease. Each subregion of the temporal cortex has an important role in coordinating the input and output of the hippocampus. When subregions of the temporal cortex are impaired, memory and learning ability decrease. GABAergic interneurons control excitatory neurons, forming the cortico-cortical and cortico-hippocampal networks...
August 28, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28842206/potential-neurotoxicity-of-prenatal-exposure-to-sevoflurane-on-offspring-metabolomics-investigation-on-neurodevelopment-and-underlying-mechanism
#5
Jialong Jiang, Shasha Li, Yiqiao Wang, Xue Xiao, Yi Jin, Yilong Wang, Zeyong Yang, Shikai Yan, Yuanhai Li
Repeated or prolonged anesthesia to pregnant women disturbs neurodevelopment of developing infants, but its mechanism has not been elaborated absolutely. This study was conducted to investigate the mechanism of potential neurotoxicity on their offspring generation after sevoflurane anesthesia in adult animals during pregnancy based on metabolomics. 16 pregnant rats were equally assigned to sevoflurane group and control group, and serum samples were collected from their 7-day-old offspring for metabolomics analysis using ultra performance liquid chromatography coupled to time-of-flight mass spectrometry...
August 24, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28823539/epigenetics-stress-and-disease
#6
EDITORIAL
J Regino Perez-Polo
No abstract text is available yet for this article.
August 18, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28778811/adolescent-escitalopram-prevents-the-effects-of-maternal-separation-on-depression-and-anxiety-like-behaviours-and-regulates-the-levels-of-inflammatory-cytokines-in-adult-male-mice
#7
Qi Wang, Xiaomei Dong, Yan Wang, Mengxi Liu, Anji Sun, Nannan Li, Yiwei Lin, Zhongli Geng, Ye Jin, Xiaobai Li
There is little research on the effects of adolescent administration of antidepressants on behavioural function and inflammation in early-life stressed adult mice. Using maternal separation (MS), a paradigm of early adversity, we investigated the effects of adolescent (PND 33-54) escitalopram (ES; 10mg/kg) exposure on depression- and anxiety-like behaviours and the levels of inflammatory cytokines (interleukin [IL]-1β, tumor necrosis factor [TNF]-α, and IL-10) in the ventral hippocampus (HPV), prefrontal cortex (PFC), and serum in adult (PND 61) male offspring mice...
August 1, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28765079/developmental-neurotoxicity-and-autism-a-potential-link-between-indoor-neuroactive-pollutants-and-the-curious-birth-order-risk-factor
#8
REVIEW
Wesley A Gray, Vincent A Billock
Epidemiological and demographic studies find an increased risk of autism among first-borns. Toxicological studies show that some semi-volatile substances found in infant products produce adverse effects in neural and endocrine systems of animals, including behavioral and developmental effects. Several factors elevate the exposure of human infants to these chemicals. The highest exposures found in infants are comparable to the exposures that induce neural toxicity in animals. A review of these literatures suggests a linking hypothesis that could bridge the epidemiological and toxicological lines of evidence: an infant's exposure to neuroactive compounds emitted by infant products is increased by product newness and abundance; exposure is likely maximized for first-born children in families that can afford new products...
July 29, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28760642/galantamine-administration-reduces-reactive-astrogliosis-and-upregulates-the-anti-oxidant-enzyme-catalase-in-rats-submitted-to-neonatal-hypoxia-ischemia
#9
F K Odorcyk, F Nicola, L E Duran-Carabali, F Figueiró, J Kolling, A Vizuete, E L Konrath, C A Gonçalves, A T S Wyse, C A Netto
Neonatal hypoxia ischemia (HI) plays a role in the etiology of several neurological pathologies and causes severe sequelae. Acetylcholine is a neurotransmitter in the central nervous system and cholinesterase inhibitors have demonstrated a positive action over HI induced deficits. In order to evaluate the effects of pre and post-hypoxia administrations of galantamine, a cholinesterase inhibitor, in a model of perinatal HI, Wistar rats in the post-natal day 7 (PND7) were subjected to a combination of unilateral occlusion of the right carotid artery with the exposure to a 1h hypoxia...
July 29, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28760641/maternal-alterations-induced-by-exposure-to-an-unfamiliar-home-cage-in-early-underfed-dams
#10
Manuel Salas, Mirelta Regalado, Carmen Torrero, Lorena Rubio
The expression of different behavioral components in the adult rat depends on a number of early influences, including age, hormones, manipulations of sensory cues, and perinatal undernutrition, all of which impact the development of brain areas underlying adaptive processes, maternal behavior, and the response to novelty. The current study investigates the effects of pre- and neonatal undernutrition on various components of maternal behavior of dams exposed to the challenge of an unfamiliar home cage on days 4, 8, and 12 of lactation...
July 29, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28751239/experiencing-early-life-maternal-separation-increases-pain-sensitivity-in-adult-offspring
#11
Fabiana Cardoso Vilela, Jádina Santos Vieira, Alexandre Giusti-Paiva, Marcelo Lourenço da Silva
Maternal separation is a widely accepted model for studying long-term behavioral changes produced by events during early life and its association with changes in pain sensitivity. Thus, our objective was to evaluate sensitivity to pain, under different stimuli in adult male and female rats that had undergone early life maternal separation. Animals were subjected to maternal separation from postnatal day (PND) 2-15. Maternal behavior and litter weight were evaluated during this period. Sensitivity to pain was assessed in offsprings during adulthood by exposing them to stimuli, including formalin (5%; 20μl), a hot plate, and the electronic von Frey test, 4, 7, 10, and 24h after the administration of saline or Freund's complete adjuvant (CFA) injection...
July 25, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28716540/developmental-vitamin-d-deficiency-alters-multiple-neurotransmitter-systems-in-the-neonatal-rat-brain
#12
James P Kesby, Karly M Turner, Suzanne Alexander, Darryl W Eyles, John J McGrath, Thomas H J Burne
BACKGROUND: Epidemiological evidence suggests that developmental vitamin D (DVD) deficiency is a risk factor for neuropsychiatric disorders, such as schizophrenia. DVD deficiency in rats is associated with altered brain structure and adult behaviours indicating alterations in dopamine and glutamate signalling. Developmental alterations in dopamine neurotransmission have also been observed in DVD-deficient rats but a comprehensive assessment of brain neurochemistry has not been undertaken...
July 14, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28711670/evaluation-of-serum-neuron-specific-enolase-s100b-myelin-basic-protein-and-glial-fibrilliary-acidic-protein-as-brain-specific-proteins-in-children-with-autism-spectrum-disorder
#13
Erman Esnafoglu, Sema Nur Ayyıldız, Selma Cırrık, Emine Yurdakul Erturk, Abdullah Erdil, Abdullah Daglı, Tevfik Noyan
OBJECTIVE: Brain specific-proteins are not found in other tissues and measurement non-invasively in the blood may identify structurally and functionally damaged brain regions and identify the severity and prognosis of neuropsychiatric diseases. For this reason, we aimed to evaluate serum brain-specific protein values as brain damage markers in children with autism spectrum disorder (ASD). METHOD: 35 children with ASD and 31 healthy subjects were included in the study...
July 13, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28709820/sex-dependent-difference-in-the-relationship-between-adipose-tissue-cholesterol-efflux-and-estradiol-concentrations-in-young-healthy-humans
#14
Fatima Iqbal, William J Durham, Ayyash Melhem, Saleem Raslan, Tony T Tran, Traver J Wright, Rabia Asghar, Ken Fujise, Elena Volpi, Labros Sidossis, Nicola Abate, Melinda Sheffield-Moore, Demidmaa Tuvdendorj
BACKGROUND: Impaired adipose tissue function and lower levels of high density lipoprotein cholesterol (HDL-C) have been implicated in the development of vascular dementia, and metabolic diseases such as hypertension, atherosclerosis, type 2 diabetes (T2D) and metabolic syndrome. Interestingly, both the substrate fluxes in adipose tissue and HDL-C concentration differ between men and women. Moreover, adipose tissue cholesterol efflux has been implicated in modulation of HDL-C levels. Thus, we aimed to determine if the association between serum estradiol levels and adipose tissue cholesterol efflux is sex-dependent...
July 12, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28690102/high-frequency-oscillations-after-median-nerve-stimulations-in-healthy-children-and-adolescents
#15
Sergio Zanini, Ivana Del Piero, Lucia Martucci, Domenico Restuccia
The aim of the present research was to address somatosensory high frequency oscillations (400-800Hz) in healthy children and adolescents in comparison with healthy adults. We recorded somatosensory evoked potentials following median nerve stimulation in nineteen resting healthy children/adolescents and in nineteen resting healthy adults with eyes closed. We administered six consecutive stimulation blocks (500 sweeps each). The presynaptic component of high frequency oscillations amplitudes was smaller in healthy children/adolescents than in healthy adults (no difference between groups was found as far as the postsynaptic component was concerned)...
July 6, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28684308/characterizing-ingestive-behavior-through-licking-microstructure-underlying-neurobiology-and-its-use-in-the-study-of-obesity-in-animal-models
#16
REVIEW
Alexander W Johnson
Ingestive behavior is controlled by multiple distinct peripheral and central physiological mechanisms that ultimately determine whether a particular food should be accepted or avoided. As rodents consume a fluid they display stereotyped rhythmic tongue movements, and by analyzing the temporal distribution of pauses of licking, it is possible through analyses of licking microstructure to uncover dissociable evaluative and motivational variables that contribute to ingestive behavior. The mean number of licks occurring within each burst of licking (burst and cluster size) reflects the palatability of the consumed solution, whereas the frequency of initiating novel bouts of licking behavior (burst and cluster number) is dependent upon the degree of gastrointestinal inhibition that accrues through continued fluid ingestion...
July 3, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28684307/discriminant-validity-of-spatial-and-temporal-postural-index-in-children-with-neurodevelopmental-disorders
#17
Maria Pia Bucci, Nathalie Goulème, Coline Stordeur, Eric Acquaviva, Isabelle Scheid, Aline Lefebvre, Christophe-Loïc Gerard, Hugo Peyre, Richard Delorme
Autism, learning disabilities and attention deficit/hyperactive disorder are often comorbid disorders. In order to try and find some markers that might be transnosographic, we hypothesized that abnormal postural sway profiles may discriminate children with neurodevelopmental disorders (NDDs) from typically developing children. The aim of our study was thus to compare spatial and temporal measures of the Center of Pressure in three distinct groups of children with NDDs (high functioning autism spectrum disorders, learning disabilities (dyslexia) and attention deficit/hyperactive disorders) and in typically developing children...
July 3, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28673682/efficient-neural-differentiation-of-mouse-pluripotent-stem-cells-in-a-serum-free-medium-and-development-of-a-novel-strategy-for-enrichment-of-neural-cells
#18
Isha Verma, Zubin Rashid, Sujit K Sikdar, Polani B Seshagiri
Pluripotent stem cells (PSCs) offer an excellent model to study neural development and function. Although various protocols have been developed to direct the differentiation of PSCs into desired neural cell types, many of them suffer from limitations including low efficiency, long duration of culture, and the use of expensive, labile, and undefined growth supplements. In this study, we achieved efficient differentiation of mouse PSCs to neural lineage, in the absence of exogenous molecules, by employing a serum-free culture medium containing knockout serum replacement (KSR)...
July 1, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28330827/intrauterine-exposure-to-maternal-stress-alters-bdnf-iv-dna-methylation-and-telomere-length-in-the-brain-of-adult-rat-offspring
#19
Jennifer Blaze, Arun Asok, Kristyn Borrelli, Christina Tulbert, Justin Bollinger, April E Ronca, Tania L Roth
DNA methylation (addition of methyl groups to cytosines) and changes in telomere length (TTAGGG repeats on the ends of chromosomes) are two molecular modifications that result from stress and could contribute to the long-term effects of intrauterine exposure to maternal stress on offspring behavior. Here, we measured methylation of DNA associated with the Brain-derived neurotrophic factor (Bdnf) gene, a gene important in development and plasticity, and telomere length in the brains of adult rat male and female offspring whose mothers were exposed to unpredictable and variable stressors throughout gestation...
November 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28229923/epigenetic-regulation-of-reln-and-gad1-in-the-frontal-cortex-fc-of-autism-spectrum-disorder-asd-subjects
#20
Adrian Zhubi, Ying Chen, Alessandro Guidotti, Dennis R Grayson
Both Reelin (RELN) and glutamate decarboxylase 67 (GAD1) have been implicated in the pathophysiology of Autism Spectrum Disorders (ASD). We have previously shown that both mRNAs are reduced in the cerebella (CB) of ASD subjects through a mechanism that involves increases in the amounts of MECP2 binding to the corresponding promoters. In the current study, we examined the expression of RELN, GAD1, GAD2, and several other mRNAs implicated in this disorder in the frontal cortices (FC) of ASD and CON subjects. We also focused on the role that epigenetic processes play in the regulation of these genes in ASD brain...
November 2017: International Journal of Developmental Neuroscience
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