Article ; Online: Integrated RNA Sequencing Reveals Epigenetic Impacts of Diesel Particulate Matter Exposure in Human Cerebral Organoids.
2021 Volume 42, Issue 5-6, Page(s) 195–207
Abstract: Autism spectrum disorder (ASD) manifests early in childhood. While genetic variants increase risk for ASD, a growing body of literature has established that in utero chemical exposures also contribute to ASD risk. These chemicals include air-based ... ...
Abstract | Autism spectrum disorder (ASD) manifests early in childhood. While genetic variants increase risk for ASD, a growing body of literature has established that in utero chemical exposures also contribute to ASD risk. These chemicals include air-based pollutants like diesel particulate matter (DPM). A combination of single-cell and direct transcriptomics of DPM-exposed human-induced pluripotent stem cell-derived cerebral organoids revealed toxicogenomic effects of DPM exposure during fetal brain development. Direct transcriptomics, sequencing RNA bases via Nanopore, revealed that cerebral organoids contain extensive RNA modifications, with DPM-altering cytosine methylation in oxidative mitochondrial transcripts expressed in outer radial glia cells. Single-cell transcriptomics further confirmed an oxidative phosphorylation change in cell groups such as outer radial glia upon DPM exposure. This approach highlights how DPM exposure perturbs normal mitochondrial function and cellular respiration during early brain development, which may contribute to developmental disorders like ASD by altering neurodevelopment. |
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MeSH term(s) | Autism Spectrum Disorder/etiology ; Brain/drug effects ; Epigenesis, Genetic/drug effects ; Female ; Humans ; Maternal Exposure/adverse effects ; Neurogenesis/drug effects ; Organoids ; Particulate Matter/toxicity ; Pluripotent Stem Cells/drug effects ; Sequence Analysis, RNA ; Vehicle Emissions/toxicity |
Chemical Substances | Particulate Matter ; Vehicle Emissions |
Language | English |
Publishing date | 2021-03-03 |
Publishing country | Switzerland |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 556887-0 |
ISSN | 1421-9859 ; 0378-5866 |
ISSN (online) | 1421-9859 |
ISSN | 0378-5866 |
DOI | 10.1159/000513536 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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