Abstract
The abuse of licit and illicit drugs is a worldwide issue that is a cause for concern in pregnant women. It may lead to complications in pregnancy that may affect the mother, fetus, and /or neonate. The effects of any substance on the developing embryo and fetus are dependent upon dosing, timing, duration of drug exposure, and the extent of drug distribution. Teratogenic effects have been described when exposure takes place during the embryonic stage; however drugs have subtle effects, including abnormal growth and/or maturation, alterations in neurotransmitters and their receptors, and brain organization. The mechanisms by which intrauterine exposure to many substances may result in neuronal injury have not been completely elucidated. Oxidative stress and epigenetic changes have been recently implicated in the pathogenesis of long – term adverse health sequelae, and neuro-developmental impairment in the offspring of addicted mothers. Transgenerational epigenetics may also explain the alarming datum that developmental abnormalities, impairment in learning and memory, and attention deficit can occur even in the absence of direct fetal exposure, when drugs are consumed prior to conception. There is a growing body of evidence demonstrating a link between redox state unbalance, epigenetic markers, developmental anomalies, and neurodegeneration.
The reviewed literature data uphold redox homeostasis disruption as an important factor in the pathogenesis of drug of abuse- induced neurodegeneration, and highlight the potential for new therapies that could prevent neurodegeneration through antioxidant and epigenetic modulatory mechanisms. This therefore reveals important targets for novel neuroprotective strategies.
Keywords: Drug abuse, pregnancy, developmental neurodegeneration, oxidative stress, epigenetics.
Current Pharmaceutical Design
Title:Drugs of Abuse in Pregnancy, Poor Neonatal Development, and Future Neurodegeneration. Is Oxidative Stress the Culprit?
Volume: 21 Issue: 11
Author(s): Margherita Neri, Stefania Bello, Emanuela Turillazzi and Irene Riezzo
Affiliation:
Keywords: Drug abuse, pregnancy, developmental neurodegeneration, oxidative stress, epigenetics.
Abstract: The abuse of licit and illicit drugs is a worldwide issue that is a cause for concern in pregnant women. It may lead to complications in pregnancy that may affect the mother, fetus, and /or neonate. The effects of any substance on the developing embryo and fetus are dependent upon dosing, timing, duration of drug exposure, and the extent of drug distribution. Teratogenic effects have been described when exposure takes place during the embryonic stage; however drugs have subtle effects, including abnormal growth and/or maturation, alterations in neurotransmitters and their receptors, and brain organization. The mechanisms by which intrauterine exposure to many substances may result in neuronal injury have not been completely elucidated. Oxidative stress and epigenetic changes have been recently implicated in the pathogenesis of long – term adverse health sequelae, and neuro-developmental impairment in the offspring of addicted mothers. Transgenerational epigenetics may also explain the alarming datum that developmental abnormalities, impairment in learning and memory, and attention deficit can occur even in the absence of direct fetal exposure, when drugs are consumed prior to conception. There is a growing body of evidence demonstrating a link between redox state unbalance, epigenetic markers, developmental anomalies, and neurodegeneration.
The reviewed literature data uphold redox homeostasis disruption as an important factor in the pathogenesis of drug of abuse- induced neurodegeneration, and highlight the potential for new therapies that could prevent neurodegeneration through antioxidant and epigenetic modulatory mechanisms. This therefore reveals important targets for novel neuroprotective strategies.
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Cite this article as:
Neri Margherita, Bello Stefania, Turillazzi Emanuela and Riezzo Irene, Drugs of Abuse in Pregnancy, Poor Neonatal Development, and Future Neurodegeneration. Is Oxidative Stress the Culprit?, Current Pharmaceutical Design 2015; 21 (11) . https://dx.doi.org/10.2174/1381612821666150105124510
DOI https://dx.doi.org/10.2174/1381612821666150105124510 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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