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https://www.readbyqxmd.com/read/29785188/electroacupuncture-ameliorates-cognitive-deficit-and-improves-hippocampal-synaptic-plasticity-in-adult-rat-with-neonatal-maternal-separation
#1
Lili Guo, Ximin Liang, Zhanmou Liang, Xilin Liu, Jiang He, Yuanjia Zheng, Lin Yao, Yongjun Chen
Exposure to adverse early-life events is thought to be the risk factors for the development of psychiatric and altered cognitive function in adulthood. The purpose of this study was to investigate whether electroacupuncture (EA) treatment in young adult rat would improve impaired cognitive function and synaptic plasticity in adult rat with neonatal maternal separation (MS). Wistar rats were randomly divided into four groups: control group, MS group, MS with EA treatment (MS + EA) group, and MS with Sham-EA treatment (MS + Sham-EA) group...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/29782962/monosodium-glutamate-induced-nociception-and-oxidative-stress-dependent-on-time-of-administration-age-of-rats-and-susceptibility-of-spinal-cord-and-brain-regions
#2
Suzan Gonçalves Rosa, Pietro Maria Chagas, Ana Paula Pesarico, Cristina Wayne Nogueira
Monosodium glutamate (MSG), a food flavor enhancer used worldwide, has been studied because it may cause neurotoxicity, which is associated with oxidative stress. The aim of this study was to investigate whether spinal cord and brain regions are affected by oxidative stress and the temporal profile of nociceptive responses induced by MSG in newborn and adult rats. The newborn (post natal day, PND 1) Wistar rats received ten subcutaneous injections of MSG (4.0 g/kg) or saline solution. At PND 3, 11 or 90, the rats performed nociceptive tests and parameters of oxidative stress were evaluated in samples of spinal cord and brain regions...
May 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29780807/a-critical-review-of-the-bacterial-baptism-hypothesis-and-the-impact-of-cesarean-delivery-on-the-infant-microbiome
#3
REVIEW
Lisa F Stinson, Matthew S Payne, Jeffrey A Keelan
Numerous studies suggest that infants delivered by cesarean section are at a greater risk of non-communicable diseases than their vaginal counterparts. In particular, epidemiological studies have linked Cesarean delivery with increased rates of asthma, allergies, autoimmune disorders, and obesity. Mode of delivery has also been associated with differences in the infant microbiome. It has been suggested that these differences are attributable to the "bacterial baptism" of vaginal birth, which is bypassed in cesarean deliveries, and that the abnormal establishment of the early-life microbiome is the mediator of later-life adverse outcomes observed in cesarean delivered infants...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29780796/cerebral-blood-volume-during-neonatal-transition-in-term-and-preterm-infants-with-and-without-respiratory-support
#4
Bernhard Schwaberger, Gerhard Pichler, Corinna Binder-Heschl, Nariae Baik-Schneditz, Alexander Avian, Berndt Urlesberger
Background: Recently, we demonstrated that in healthy newborn infants cerebral blood volume (CBV) was decreasing continuously after birth. We hypothesized that this was due to the increase in oxygen delivery to the brain during neonatal transition. Thus delayed cerebral oxygen delivery in infants in need for respiratory support (RS) during postnatal stabilization might influence changes in CBV. Objective: Aim of the study was to evaluate transitional changes in CBV immediately after birth in term and preterm infants with and without need of RS...
2018: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/29779927/patent-ductus-arteriosus-the-physiology-of-transition
#5
REVIEW
Poorva Deshpande, Michelle Baczynski, Patrick J McNamara, Amish Jain
The transition from intrauterine to extrauterine life represents a critical phase of physiological adaptation which impacts many organ systems, most notably the heart and the lungs. The majority of term neonates complete this transition without complications; however, dysregulation of normal postnatal adaptation may lead to acute cardiopulmonary instability, necessitating advanced intensive care support. Although not as well appreciated as changes in vascular resistances, the shunt across the DA plays a crucial physiologic role in the adaptive processes related to normal transitional circulation...
May 5, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29779763/bathing-a-premature-infant-in-the-intensive-care-unit-a-systematic-review
#6
REVIEW
Daniel Fernández, Rebeca Antolín-Rodríguez
PROBLEM: Daily bathing of the preterm infant in the Neonatal Intensive Care Unit (NICU) is a process that is usually done routinely, but it can cause many adverse effects on the stability of the infant. Highlights include decreased body temperature and increased stress, which can cause alterations in its proper growth and development. ELIGIBILITY CRITERIA: We included both descriptive studies and analytical studies that evaluated the effects of bathing on the physiological state of the preterm infants admitted to NICU...
May 17, 2018: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/29777688/proteomic-changes-during-adult-stage-in-pre-optic-hypothalamus-hippocampus-and-pituitary-regions-of-female-rat-brain-following-neonatal-exposure-to-estradiol-17%C3%AE
#7
Vijayakumar Govindaraj, Radhika Nagamangalam Shridharan, Addicam Jagannadha Rao
Although neonatal exposure to estrogen or estrogenic compounds results in irreversible changes in the brain function and reproductive abnormalities during adulthood but the underlying mechanisms are still largely unknown. The present study has attempted to compare the protein profiles of sexually dimorphic brain regions of adult female rats which were exposed to estradiol- 17β during neonatal period. The total proteins extracted from pre-optic area (POA), hypothalamus, hippocampus and pituitary of control and neonatally E2 treated female rats was subjected to 2D-SDS-PAGE and differentially expressed proteins were identification by MALDI TOF/TOF-MS...
May 16, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29772537/maternal-deprivation-promotes-hippocampal-neuronal-apoptosis-via-erk1-2-signaling
#8
Min Chen, Guoping He, Qiang Li
Neonatal maternal deprivation (MD) leads to depressive-like behaviors by promoting hippocampal neuronal apoptosis, but whether and how ERK1/2 signaling participates in MD-induced hippocampal neuronal apoptosis remains unclear. We therefore explored the role of ERK1/2 signaling pathway in neonatal MD-induced depression. Neonatal rats were divided into control group, PD group given intraperitoneal injections of MAPKK inhibitor (PD98059), MD group, and MD+PD group. The neonatal MD model was confirmed by behavioral tests...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29772244/gender-difference-in-the-effect-of-progesterone-on-neonatal-hypoxic-ischemic-brain-injury-in-mouse
#9
Shuyu Dong, Qian Zhang, Delian Kong, Chao Zhou, Jie Zhou, Jingjing Han, Yan Zhou, Guoliang Jin, Xiaodong Hua, Jun Wang, Fang Hua
This study was to investigate the effects of progesterone (PROG) on neonatal hypoxic/ischemic (NHI) brain injury, the differences in effects between genders, and the underlying mechanisms. NHI brain injury was established in both male and female neonatal mice induced by occlusion of the left common carotid artery followed by hypoxia. The mice were treated with PROG or vehicle. Fluoro-Jade B staining (F-JB), long term behavior testing, and brain magnetic resonance image (MRI) were applied to evaluate neuronal death, neurological function, and brain damage...
May 14, 2018: Experimental Neurology
https://www.readbyqxmd.com/read/29767714/comparing-postnatal-development-of-gonadal-hormones-and-associated-social-behaviors-in-rats-mice-and-humans
#10
Margaret R Bell
Postnatal development includes dramatic changes in gonadal hormones and the many social behaviors they help regulate, both in rodents and humans. Parental care-seeking is the most salient social interaction in neonates and infants, play and pro-social behaviors are commonly studied in juveniles, and the development of aggression and sexual behavior begins in peripubertal stages but continues through late adolescence into adulthood. While parental behaviors are shown after reproductive success in adulthood, alloparenting behaviors are actually high in juveniles as well...
May 14, 2018: Endocrinology
https://www.readbyqxmd.com/read/29765353/fentanyl-induces-cerebellar-internal-granular-cell-layer-apoptosis-in-healthy-newborn-pigs
#11
Hemmen Sabir, John Dingley, Emma Scull-Brown, Ela Chakkarapani, Marianne Thoresen
Background: Opioids like fentanyl are regularly used in neonates for analgesia and sedation. So far, they have been reported to be safe and eligible to use. The cerebellum has become a focus of neurodevelopmental research within the last years, as it is known to play an important role in long-lasting motor, cognitive, and other behavioral changes. The cerebellar cortex is of major importance in the coordinative role of the cerebellum and highly vulnerable to injury and impaired growth...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29763976/effects-of-swaddled-and-sponge-bathing-methods-on-signs-of-stress-and-pain-in-premature-newborns-implications-for-evidence-based-practice
#12
Sibel Serap Ceylan, Bahire Bolւşւk
AIMS: To determine the effects of sponge baths and swaddled bathing on premature infants' vital signs, oxygen saturation levels, crying times, pain, and stress levels. METHODS: This study was a clinical trial with a crossover design. Data were conducted in the neonatal intensive care unit of a public hospital in Denizli, Turkey. A total of 35 premature infants, who were born at 33-37 weeks gestation with a birth weight <1,500 g, were enrolled in the study. Two bathing methods were applied at 3-day intervals...
May 15, 2018: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/29763437/postnatal-colonization-with-human-infant-type-bifidobacterium-species-alters-behavior-of-adult-gnotobiotic-mice
#13
Berkley Luk, Surabi Veeraragavan, Melinda Engevik, Miriam Balderas, Angela Major, Jessica Runge, Ruth Ann Luna, James Versalovic
Accumulating studies have defined a role for the intestinal microbiota in modulation of host behavior. Research using gnotobiotic mice emphasizes that early microbial colonization with a complex microbiota (conventionalization) can rescue some of the behavioral abnormalities observed in mice that grow to adulthood completely devoid of bacteria (germ-free mice). However, the human infant and adult microbiomes vary greatly, and effects of the neonatal microbiome on neurodevelopment are currently not well understood...
2018: PloS One
https://www.readbyqxmd.com/read/29752580/loss-of-hox5-function-results-in-myofibroblast-mislocalization-and-distal-lung-matrix-defects-during-postnatal-development
#14
Steven M Hrycaj, Leilani Marty-Santos, Andrew J Rasky, Nicholas W Lukacs, Deneen M Wellik
Alveologenesis is the final stage of lung development and is responsible for the formation of the principle gas exchange units called alveoli. The lung mesenchyme, in particular the alveolar myofibroblasts, are drivers of alveolar development, however, few key regulators that govern the proper distribution and behavior of these cells in the distal lung during alveologenesis have been identified. While Hox5 triple mutants (Hox5 aabbcc) exhibit neonatal lethality, four-allele, compound mutant mice (Hox5 AabbCc) are born in Mendelian ratios and are phenotypically normal at birth...
April 27, 2018: Science China. Life Sciences
https://www.readbyqxmd.com/read/29751176/il-4-mediates-the-delayed-neurobehavioral-impairments-induced-by-neonatal-hepatitis-b-vaccination-that-involves-the-down-regulation-of-the-il-4-receptor-in-the-hippocampus
#15
Xiao Wang, Junhua Yang, Zhiwei Xing, Hongyang Zhang, Yaru Wen, Fangfang Qi, Zejie Zuo, Jie Xu, Zhibin Yao
We have previously verified that neonatal hepatitis B vaccination induced hippocampal neuroinflammation and behavior impairments in mice. However, the exact mechanism of these effects remain unclear. In this study, we observed that neonatal hepatitis B vaccination induced an anti-inflammatory cytokine response lasting for 4-5 weeks in both the serum and the hippocampus, primarily indicated by elevated IL-4 levels. Three weeks after the vaccination schedule, however, hepatitis B vaccine (HBV)-mice showed delayed hippocampal neuroinflammation...
May 8, 2018: Cytokine
https://www.readbyqxmd.com/read/29751053/l-cysteine-suppresses-hypoxia-ischemia-injury-in-neonatal-mice-by-reducing-glial-activation-promoting-autophagic-flux-and-mediating-synaptic-modification-via-h-2-s-formation
#16
Danqing Xin, Xili Chu, Xuemei Bai, Weiwei Ma, Hongtao Yuan, Jie Qiu, Changxing Liu, Tong Li, Xin Zhou, Wenqiang Chen, Dexiang Liu, Zhen Wang
We previously reported that L-Cysteine, an H2 S donor, significantly alleviated brain injury after hypoxia-ischemic (HI) injury in neonatal mice. However, the mechanisms underlying this neuroprotective effect of L-Cysteine against HI insult remain unknown. In the present study, we tested the hypothesis that the protective effects of L-Cysteine are associated with glial responses and autophagy, and L-Cysteine attenuates synaptic injury as well as behavioral deficits resulting from HI. Consistent with our previous findings, we found that treatment with L-Cysteine after HI reduced early brain injury, improved behavioral deficits and synaptic damage, effects which were associated with an up-regulation of synaptophysin and postsynaptic density protein 95 expression in the lesioned cortex...
May 8, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29748956/neurobehavioral-evaluation-of-neonates-with-congenital-heart-disease-a-cohort-study
#17
Whitnee J Hogan, Sarah Winter, Nelangi M Pinto, Cindy Weng, Xiaoming Sheng, Elisabeth Conradt, Janine Wood, Michael D Puchalski, Lloyd Y Tani, Thomas A Miller
AIM: To describe neurobehavioral patterns in neonates with congenital heart disease (CHD). METHOD: A cohort study describing neurobehavioral performance of neonates with CHD requiring cardiac surgery. The neonates were evaluated preoperatively and postoperatively with the Neonatal Intensive Care Unit Network Neurobehavioral Scale (NNNS) and scores were compared with published normative values. Clinical factors were obtained by chart review to assess their association with behavior...
May 10, 2018: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/29745793/extreme-pregnancy-maternal-physical-activity-at-everest-base-camp
#18
Margie H Davenport, Craig D Steinback, Kennedy J Borle, Brittany A Matenchuk, Emily R Vanden Berg, Emily M de Freitas, Andrea M Linares, Ken D O'Halloran, Mingma T Sherpa, Trevor A Day
High altitude natives employ numerous physiological strategies to survive and reproduce. However, the concomitant influence of altitude and physical activity during pregnancy has not been studied above 3,700m. We report a case of physical activity, sleep behavior and physiological measurements on a 28-year-old third-trimester pregnant native highlander (Sherpa) during ascent from 3440m to Everest base camp (~5,300m) over eight days in the Nepal Himalaya, and again ~10-months postpartum during a similar ascent profile...
May 10, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29745668/temperature-induced-self-assembly-of-the-group-b-streptococcus-gbs-fusion-antigen-gbs-nn
#19
Fabrice Rose, Silke Roovers, Mathias Fanø, Stine Harloff-Helleberg, Jacob Judas Kain Kirkensgaard, Kim Hejnaes, Per Fischer, Camilla Foged
Group B streptococcus (GBS) is a leading cause of serious bacterial neonatal infections worldwide, which provides an unmet medical need for a globally effective vaccine. The recombinant GBS fusion antigen GBS-NN contains the N-terminal regions of the GBS Rib and Alpha C proteins. It shows promising immunogenicity eliciting protective immunity in mice and encouraging results in early human clinical trials. Understanding the physical stability of GBS-NN containing conformational B-cell epitopes is crucial to ensure optimal vaccine stability, efficacy and safety...
May 10, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29743770/paradoxical-reaction-to-midazolam-in-preterm-neonates-a-case-series
#20
Mahendra Kumar Gupta, Jayashree A Mondkar, Deepraj Hegde
Midazolam is a drug belonging to the benzodiazepine group and is used commonly for seizure control as well as preoperative and procedure-related sedation in neonates. Many adverse effects of midazolam have been reported in the past. Paradoxical stimulation of the central nervous system such as restlessness, nightmare, and hallucinations as well as hypomanic behavior has been reported in adults and children. Seizure is a rare adverse effect of midazolam. Cases of myoclonic movements associated with midazolam have been published worldwide; however, none so far have been reported from India...
April 2018: Indian Journal of Critical Care Medicine
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