journal
https://read.qxmd.com/read/38719082/long-term-effects-of-preweaning-environmental-impoverishment-on-neurobehavioral-and-neurocognitive-outcomes-in-sprague-dawley-rats-an-early-environmental-stress-model
#1
JOURNAL ARTICLE
Charles V Vorhees, Robyn M Amos-Kroohs, Michael T Williams
Developmental stress, including low socioeconomic status (SES), can induce dysregulation of the hypothalamic-pituitary-adrenal axis and result in long-term changes in stress reactivity. Children in lower SES conditions often experience more stress than those in other SES groups. There are multiple model systems of early environmental stress (EES), one of which is reduced cage bedding. Here we tested the effects of both prenatal and lactational EES in rats on a range of long-term behavioral and cognitive outcomes...
May 6, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38719081/maternal-lifetime-stress-and-psychological-functioning-in-pregnancy-is-associated-with-preschoolers-temperament-exploring-effect-modification-by-race-and-ethnicity
#2
JOURNAL ARTICLE
Francheska M Merced-Nieves, Bonnie Lerman, Elena Colicino, Michelle Bosquet Enlow, Robert O Wright, Rosalind J Wright
BACKGROUND: Psychosocial stress and psychopathology frequently co-occur, with patterns differing by race and ethnicity. We used statistical mixtures methodology to examine associations between prenatal stress and child temperament in N = 382 racially and ethnically diverse maternal-child dyads to disentangle associations among maternal stressful life events, maternal psychological functioning in pregnancy, childhood neurobehavior, and maternal race and ethnicity. METHODS: This study utilized data from a longitudinal pregnancy cohort, PRogramming of Intergenerational Stress Mechanisms (PRISM)...
May 6, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38648864/unlocking-the-epigenome-stress-and-exercise-induced-bdnf-regulation-in-the-prefrontal-cortex
#3
JOURNAL ARTICLE
Taylor S Campbell, Katelyn Donoghue, Tania L Roth
Aversive caregiving in early life is a risk factor for aberrant brain and behavioral development. This outcome is related to epigenetic dysregulation of the brain-derived neurotrophic factor (Bdnf) gene. The Bdnf gene encodes for BDNF, a neurotrophin involved in early brain development, neural plasticity, learning, and memory. Recent work suggests that exercise may be neuroprotective in part by supporting BDNF protein and gene expression, making it an exciting target for therapeutic interventions. To our knowledge, exercise has never been studied as a therapeutic intervention in preclinical rodent models of caregiver maltreatment...
April 20, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38636567/prenatal-exposure-to-pyrethroids-and-chlorpyrifos-and-iq-in-7-year-old-children-from-the-odense-child-cohort
#4
JOURNAL ARTICLE
Stine S√łgaard Normann, Iben Have Beck, Flemming Nielsen, Marianne Skovsager Andersen, Niels Bilenberg, Tina Kold Jensen, Helle Raun Andersen
BACKGROUND: Organophosphates and pyrethroids are two major groups of insecticides used for crop protection worldwide. They are neurotoxicants and exposure during vulnerable windows of brain development may have long-term impact on human neurodevelopment. Only few longitudinal studies have investigated associations between prenatal exposure to these substances and intelligence quotient (IQ) at school age in populations with low, mainly dietary, exposure. OBJECTIVE: To investigate associations between maternal urinary concentrations of insecticide metabolites at gestational week 28 and IQ in offspring at 7-years of age...
April 16, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38604316/characteristics-of-women-concordant-and-discordant-for-urine-drug-screens-for-cannabis-exposure-and-self-reported-cannabis-use-during-pregnancy
#5
JOURNAL ARTICLE
Ryan Bogdan, Shelby D Leverett, Anna M Constantino-Petit, Nicole Lashley-Simms, David B Liss, Emma C Johnson, Shannon N Lenze, Rachel E Lean, Tara A Smyser, Ebony B Carter, Christopher D Smyser, Cynthia E Rogers, Arpana Agrawal
BACKGROUND: Increasing cannabis use among pregnant people and equivocal evidence linking prenatal cannabis exposure to adverse outcomes in offspring highlights the need to understand its potential impact on pregnancy and child outcomes. Assessing cannabis use during pregnancy remains a major challenge with potential influences of stigma on self-report as well as detection limitations of easily collected biological matrices. OBJECTIVE: This descriptive study examined the concordance between self-reported (SR) cannabis use and urine drug screen (UDS) detection of cannabis exposure during the first trimester of pregnancy and characterized concordant and discordant groups for sociodemographic factors, modes of use, secondhand exposure to cannabis and tobacco, and alcohol use and cotinine positivity...
April 9, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38554851/exposure-to-bisphenol-f-and-bisphenol-s-during-development-induces-autism-like-endophenotypes-in-adult-drosophila-melanogaster
#6
JOURNAL ARTICLE
Elize A Santos Musachio, Stefani da Silva Andrade, Luana Barreto Meichtry, Eliana Jardim Fernandes, Pamela Piardi de Almeida, Dieniffer Espinosa Janner, Mustafa Munir Mustafa Dahleh, Gustavo Petri Guerra, Marina Prigol
Bisphenol F (BPF) and Bisphenol S (BPS) are being widely used by the industry with the claim of "safer substances", even with the scarcity of toxicological studies. Given the etiological gap of autism spectrum disorder (ASD), the environment may be a causal factor, so we investigated whether exposure to BPF and BPS during the developmental period can induce ASD-like modeling in adult flies. Drosophila melanogaster flies were exposed during development (embryonic and larval period) to concentrations of 0.25, 0...
March 28, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38490565/the-impact-of-prenatal-alcohol-synthetic-cannabinoid-and-co-exposure-on-behavioral-adaptations-in-adolescent-offspring-and-alcohol-self-administration-in-adulthood
#7
JOURNAL ARTICLE
Laura C Ornelas, Eric W Fish, Jacob C Dooley, Megan Carroll, Scott E Parnell, Joyce Besheer
Prenatal exposure to alcohol or cannabinoids can produce enduring neurobiological, cognitive, and behavioral changes in the offspring. Furthermore, prenatal co-exposure to alcohol and cannabinoids induces malformations in brain regions associated with reward and stress-related circuitry. This study examined the effects of co-exposure to alcohol and the synthetic cannabinoid (SCB) CP55,940 throughout gastrulation and neurulation in rats on basal corticosterone levels and a battery of behavioral tests during adolescence and alcohol self-administration in adulthood...
March 13, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38460861/the-association-between-prenatal-cannabis-use-and-congenital-birth-defects-in-offspring-a-cumulative-meta-analysis
#8
JOURNAL ARTICLE
Abay Woday Tadesse, Getinet Ayano, Berihun Assefa Dachew, Biruk Shalmeno Tusa, Yitayish Damtie, Kim Betts, Rosa Alati
OBJECTIVE: To examine the association between prenatal cannabis use and structural birth defects in exposed offspring. METHODS: In line with the preregistered protocol (PROSPERO: CRD42022368623), we systematically searched PubMed/Medline, CINHAL, EMBASE, Web of Science, ProQuest, Psych-Info, and Google Scholar for published articles until 25 January 2024. The methodological quality of the included studies was appraised by the Newcastle-Ottawa Quality Assessment Scale (NOS)...
March 7, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38452988/embryonic-exposures-to-cadmium-and-pahs-cause-long-term-and-interacting-neurobehavioral-effects-in-zebrafish
#9
JOURNAL ARTICLE
Alexandra Stickler, Andrew B Hawkey, Anas Gondal, Sarabesh Natarajan, Mikayla Mead, Edward D Levin
Developmental exposure to either polycyclic aromatic hydrocarbons (PAHs) or heavy metals has been shown to cause persisting and overlapping neurobehavioral effects in animal models. However, interactions between these compounds have not been well characterized, despite their co-occurrence in a variety of environmental media. In two companion studies, we examined the effects of developmental exposure to cadmium (Cd) with or without co-exposure to prototypic PAHs benzo[a]pyrene (BaP, Exp. 1) or fluoranthene (FA, Exp...
March 5, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38431065/combined-and-sequential-exposure-to-prenatal-second-hand-smoke-and-postnatal-maternal-distress-is-associated-with-cingulo-opercular-global-efficiency-and-attention-problems-in-school-age-children
#10
JOURNAL ARTICLE
Paige B Greenwood, Mariah DeSerisy, Emily Koe, Elizabeth Rodriguez, Leilani Salas, Frederica P Pereir, Julie Herbstman, David Pagliaccio, Amy E Margolis
BACKGROUND: Prenatal exposure to secondhand (environmental) tobacco smoke (SHS) is associated with adverse neurodevelopmental outcomes, including altered functional activation of cognitive control brain circuitry and increased attention problems in children. Exposure to SHS is more common among Black youth who are also disproportionately exposed to socioeconomic disadvantage and concomitant maternal distress. We examine the combined effects of exposure to prenatal SHS and postnatal maternal distress on the global efficiency (GE) of the brain's cingulo-opercular (CO) and fronto-parietal control (FP) networks in childhood, as well as associated attention problems...
February 29, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38423398/maternal-choline-supplementation-lessens-the-behavioral-dysfunction-produced-by-developmental-manganese-exposure-in-a-rodent-model-of-adhd
#11
JOURNAL ARTICLE
Shanna L Howard, Stephane A Beaudin, Barbara J Strupp, Donald R Smith
Studies in children have reported associations between elevated manganese (Mn) exposure and ADHD-related symptoms of inattention, impulsivity/hyperactivity, and psychomotor impairment. Maternal choline supplementation (MCS) during pregnancy/lactation may hold promise as a protective strategy because it has been shown to lessen cognitive dysfunction caused by numerous early insults. Our objectives were to determine whether (1) developmental Mn exposure alters behavioral reactivity/emotion regulation, in addition to impairing learning, attention, impulse control, and sensorimotor function, and (2) MCS protects against these Mn-induced impairments...
February 27, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38402997/a-novel-deep-learning-based-method-for-automatic-stereology-of-microglia-cells-from-low-magnification-images
#12
JOURNAL ARTICLE
Hunter Morera, Palak Dave, Yaroslav Kolinko, Saeed Alahmari, Aidan Anderson, Grant Denham, Chloe Davis, Juan Riano, Dmitry Goldgof, Lawrence O Hall, G Jean Harry, Peter R Mouton
Microglial cells mediate diverse homeostatic, inflammatory, and immune processes during normal development and in response to cytotoxic challenges. During these functional activities, microglial cells undergo distinct numerical and morphological changes in different tissue volumes in both rodent and human brains. However, it remains unclear how these cytostructural changes in microglia correlate with region-specific neurochemical functions. To better understand these relationships, neuroscientists need accurate, reproducible, and efficient methods for quantifying microglial cell number and morphologies in histological sections...
February 23, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38373556/pathways-from-prenatal-cocaine-exposure-to-adult-substance-use-and-behavior
#13
JOURNAL ARTICLE
Gale A Richardson, Natacha M De Genna, Jennifer A Willford, Lidush Goldschmidt
This is a report from the most recent adult follow-up of the longest running cohort study of prenatal cocaine exposure (PCE), in which women were enrolled prenatally and offspring were assessed in infancy, childhood, adolescence, and young adulthood. In previous studies, PCE was linked to offspring behavior problems such as early substance use and externalizing behavior problems. The current analyses examine pathways from PCE to behavioral outcomes in offspring at the 25-year assessment. Prenatal cocaine exposure was moderate in this cohort; most women decreased or discontinued use after the first trimester...
February 17, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38360154/impact-of-in-utero-tobacco-exposure-on-fetal-growth-amount-of-exposure-and-second-trimester-fetal-growth-measurements
#14
JOURNAL ARTICLE
Beth A Bailey, Haley Kopkau, Katherine Nadolski, Phoebe Dodge
BACKGROUND: Research reveals small and inconsistent findings linking prenatal tobacco exposure and early fetal growth, but failure to consider confounding and amount of exposure many explain inconsistencies. GOAL: To examine whether fetal growth effects following exposure to tobacco are evident in the second trimester, specific to certain growth parameters, and dose dependent. METHODS: Participants were pregnant women (64 smokers, 100 controls) with no other drug use...
February 13, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38307398/sensorimotor-dysfunction-due-to-developmental-manganese-exposure-is-less-severe-in-adult-female-than-male-rats-and-partially-improved-by-acute-methylphenidate-treatment
#15
JOURNAL ARTICLE
Stephane A Beaudin, Samantha Gorman, Naomi Schilpp, David Woodfin, Barbara J Strupp, Donald R Smith
Epidemiological studies have reported associations between elevated manganese (Mn) exposure and poorer psychomotor performance in children. Our studies in adult male rats have established that this relationship is causal and that prolonged MPH treatment is efficacious in treating this area of dysfunction. However, it is unclear if sensitivity to these Mn deficits differs between females and males, and whether existing pharmacological therapies are efficacious in improving sensorimotor dysfunction in females...
January 31, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38301979/bisphenol-f-affects-neurodevelopmental-gene-expression-mushroom-body-development-and-behavior-in-drosophila-melanogaster
#16
JOURNAL ARTICLE
Judith L A Fishburn, Heather L Larson, An Nguyen, Chloe J Welch, Taylor Moore, Aliyah Penn, Johnathan Newman, Anthony Mangino, Erin Widman, Rana Ghobashy, Jocelyn Witherspoon, Wendy Lee, Kimberly A Mulligan
Bisphenol F (BPF) is a potential neurotoxicant used as a replacement for bisphenol A (BPA) in polycarbonate plastics and epoxy resins. We investigated the neurodevelopmental impacts of BPF exposure using Drosophila melanogaster as a model. Our transcriptomic analysis indicated that developmental exposure to BPF caused the downregulation of neurodevelopmentally relevant genes, including those associated with synapse formation and neuronal projection. To investigate the functional outcome of BPF exposure, we evaluated neurodevelopmental impacts across two genetic strains of Drosophila- w1118 (control) and the Fragile X Syndrome (FXS) model-by examining both behavioral and neuronal phenotypes...
January 30, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38278424/ddt-and-titanium-dioxide-nanoparticle-coexposure-induced-neurobehavioral-deficits-in-zebrafish
#17
JOURNAL ARTICLE
Jian Lin, Yanqi Lou, Zhenkai Sun, Dongliang Pan, Lei Lei, Yang Song, Changjiang Huang, Jiangfei Chen
Both dichlorodiphenyltrichloroethane (DDT) and titanium dioxide nanoparticle (TiO2 NP) have worldwide-scale commercial applications, resulting in their co-pollution in the ecosystems and posing combined health risks. However, there is a lack of toxicity studies for the interactions of DDT and TiO2 NP in the environmental relevant concentrations. In this study, we characterized the coexposures using a zebrafish waterborne exposure approach and evaluated the neurotoxicity response of the treated embryos or adults...
January 24, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38244816/maternal-prenatal-lead-levels-and-neonatal-brain-volumes-testing-moderations-by-maternal-depressive-symptoms-and-family-income
#18
JOURNAL ARTICLE
Amanda C Wylie, Sarah J Short, Rebecca C Fry, W Roger Mills-Koonce, Cathi Propper
There is considerable evidence that prenatal lead exposure is detrimental to child cognitive and socio-emotional development. Further evidence suggests that the effects of prenatal lead on developmental outcomes may be conditional upon exposure to social stressors, such as maternal depression and low socioeconomic status. However, no studies have examined associations between these co-occurring stressors during pregnancy and neonatal brain volumes. Leveraging a sample of 101 mother-infant dyads followed beginning in mid-pregnancy, we examined the main effects of prenatal urinary lead levels on neonatal lateralized brain volumes (left and right hippocampus, amygdala, cerebellum, frontal lobes) and total gray matter...
January 18, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38224844/the-u-s-pfas-exposure-burden-calculator-for-2017-2018-application-to-the-home-study-with-comparison-of-epidemiological-findings-from-nhanes
#19
JOURNAL ARTICLE
Shelley H Liu, Yitong Chen, Leah Feuerstahler, Aimin Chen, Anne Starling, Dana Dabelea, Xiaobin Wang, Kim Cecil, Bruce Lanphear, Kimberly Yolton, Joseph M Braun, Jessie P Buckley
BACKGROUND: The 2017-2018 U.S. PFAS exposure burden calculator was designed to provide a summary exposure score for per- and polyfluoroalkyl substances (PFAS) mixtures using targeted PFAS analyte data. Its aim was to place PFAS burden score estimates onto a common scale based on nationally representative U.S. reference ranges from 2017 to 2018, enabling comparisons of overall PFAS burden scores across studies even if they did not measure the same set of PFAS analytes. OBJECTIVE: To use the U...
January 13, 2024: Neurotoxicology and Teratology
https://read.qxmd.com/read/38199313/the-relationship-of-prenatal-acetaminophen-exposure-and-attention-related-behavior-in-early-childhood
#20
JOURNAL ARTICLE
Megan L Woodbury, Sarah D Geiger, Susan L Schantz
Acetaminophen is currently the only analgesic considered safe for use throughout pregnancy, but recent studies indicate that prenatal exposure to acetaminophen may be related to poorer neurodevelopmental outcomes. Multiple studies have suggested that it may be associated with attention problems, but few have examined this association by trimester of exposure. The Illinois Kids Development Study is a prospective birth cohort located in east-central Illinois. Exposure data were collected between December 2013 and March 2020, and 535 newborns were enrolled during that period...
January 8, 2024: Neurotoxicology and Teratology
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