Recent Advances in Fetal Alcohol Spectrum Disorder (FASD)

A special issue of Brain Sciences (ISSN 2076-3425). This special issue belongs to the section "Developmental Neuroscience".

Deadline for manuscript submissions: closed (15 December 2020) | Viewed by 33198

Special Issue Editor


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Guest Editor
1. Department of Psychiatry, New York University Langone Medical Center, New York City, NY, USA
2. Scientist, Faculty at Columbia University Medical Center, Center for Dementia Research, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA
Interests: endocannabinoids; synaptic plasticity; FASD; AUD; neurodegeneration; learning and memory; epigenetics; gene expression; behavior
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Special Issue Information

Dear Colleagues,

Fetal alcohol spectrum disorder (FASD) is a disability in a child that results from alcohol exposure during the mother's pregnancy. FASD signs and symptoms may include any combination of physical defects, intellectual or cognitive disabilities, and difficulties functioning, interacting with others, and managing daily life. Alcohol exposure during pregnancy and its influence on offspring have been acknowledged for centuries, but only lately have we started to gain an understanding of the molecular mechanisms involved in FASD. The severity of FASD is influenced by the level of alcohol exposure, the developmental age, and the duration of the exposure (chronic vs. acute). In this regard, several studies in recent years have brought to light the critical role of different signaling receptors, epigenetic changes, and gene expression pathways in cognitive function. The aim of this Special Issue is to take stock of recent advancements and compare different molecular pathways and pharmacology strategies that can interact at both the cellular and behavioral levels.

We welcome both original basic or translation research papers and short communications presenting data that have a significant impact on our understanding of FASD. Also of interest are reviews that focus on molecular mechanisms involved in FASD or the impact of potential drugs that target behavioral outcomes.

Dr. Balapal S. Basavarajappa
Guest Editor

Manuscript Submission Information

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Keywords

  • FASD
  • Learning and Memory
  • Synaptic Plasticity
  • Alcohol

Published Papers (2 papers)

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Research

20 pages, 2608 KiB  
Article
Prenatal Alcohol Exposure and the Facial Phenotype in Adolescents: A Study Based on Meconium Ethyl Glucuronide
by Janina Maschke, Jakob Roetner, Tamme W. Goecke, Peter A. Fasching, Matthias W. Beckmann, Oliver Kratz, Gunther H. Moll, Bernd Lenz, Johannes Kornhuber, Anna Eichler and IMAC-Mind-Consortium
Brain Sci. 2021, 11(2), 154; https://doi.org/10.3390/brainsci11020154 - 25 Jan 2021
Cited by 7 | Viewed by 29092
Abstract
Here, we explore the effects of prenatal alcohol exposure (PAE) in adolescence. We investigated associations between meconium ethyl glucoronide (EtG) and facial malformation. For 129 children (66/63 male/female; M = 13.3, SD = 0.32, 12–14 years), PAE was implemented by newborn meconium EtG [...] Read more.
Here, we explore the effects of prenatal alcohol exposure (PAE) in adolescence. We investigated associations between meconium ethyl glucoronide (EtG) and facial malformation. For 129 children (66/63 male/female; M = 13.3, SD = 0.32, 12–14 years), PAE was implemented by newborn meconium EtG and maternal self-reports during the third trimester. Cognitive development was operationalized by standardized scores (WISC V). The EtG cut-off values were set at ≥10 ng/g (n = 32, 24.8% EtG10+) and ≥112 ng/g (n = 20, 15.5% EtG112+). The craniofacial shape was measured using FAS Facial Photographic Analysis Software. EtG10+− and EtG112+-affected children exhibited a shorter palpebral fissure length (p = 0.031/p = 0.055). Lip circularity was smaller in EtG112+-affected children (p = 0.026). Maternal self-reports were not associated (p > 0.164). Lip circularity correlated with fluid reasoning (EtG10+ p = 0.031; EtG112+ p = 0.298) and working memory (EtG10+ p = 0.084; EtG112+ p = 0.144). The present study demonstrates visible effects of the facial phenotype in exposed adolescents. Facial malformation was associated with a child’s cognitive performance in the alcohol-exposed group. The EtG biomarker was a better predictor than maternal self-reports. Full article
(This article belongs to the Special Issue Recent Advances in Fetal Alcohol Spectrum Disorder (FASD))
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14 pages, 1813 KiB  
Article
Postnatal Ethanol-Induced Neurodegeneration Involves CB1R-Mediated β-Catenin Degradation in Neonatal Mice
by Shivakumar Subbanna and Balapal S. Basavarajappa
Brain Sci. 2020, 10(5), 271; https://doi.org/10.3390/brainsci10050271 - 01 May 2020
Cited by 7 | Viewed by 3117
Abstract
Alcohol consumption by pregnant women may produce neurological abnormalities that affect cognitive processes in children and are together defined as fetal alcohol spectrum disorders (FASDs). However, the molecular underpinnings are still poorly defined. In our earlier studies, we found that ethanol exposure of [...] Read more.
Alcohol consumption by pregnant women may produce neurological abnormalities that affect cognitive processes in children and are together defined as fetal alcohol spectrum disorders (FASDs). However, the molecular underpinnings are still poorly defined. In our earlier studies, we found that ethanol exposure of postnatal day 7 (P7) mice significantly induced widespread neurodegeneration mediated via endocannabinoids (eCBs)/cannabinoid receptor type 1 (CB1R). In the current study, we examined changes in the β-catenin protein levels that are involved in the regulation of neuronal function including neuronal death and survival. We found that moderate- and high-dose postnatal ethanol exposure (PEE) significantly reduced active-β-catenin (ABC) (non-phosphorylated form) protein levels in the hippocampus (HP) and neocortex (NC). In addition, we found that moderate- and high-dose PEE significantly increased the phosphorylated-β-catenin (p-β-catenin)/ABC ratios in the HP and NC. Antagonism/null mutation of CB1R before PEE to inhibit CC3 production mitigated the loss of ABC protein levels. Collectively, these findings demonstrated that the CB1R/β-catenin signaling mechanism causes neurodegeneration in neonatal mouse brains following PEE. Full article
(This article belongs to the Special Issue Recent Advances in Fetal Alcohol Spectrum Disorder (FASD))
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