Identification of novel NRF2-dependent genes as regulators of lead and arsenic toxicity in neural progenitor cells
Copyright © 2023 Elsevier B.V. All rights reserved..
Lead (Pb) and arsenic (As) are prevalent metal contaminants in the environment. Exposures to these metals are associated with impaired neuronal functions and adverse effects on neurodevelopment in children. However, the molecular mechanisms by which Pb and As impair neuronal functions remain poorly understood. Here, we identified F2RL2, TRIM16L, and PANX2 as novel targets of Nuclear factor erythroid 2-related factor 2 (NRF2)-the master transcriptional factor for the oxidative stress response-that are commonly upregulated with both Pb and As in human neural progenitor cells (NPCs). Using a ChIP (Chromatin immunoprecipitation)-qPCR assay, we showed that NRF2 directly binds to the promoter region of F2RL2, TRIM16L, and PANX2 to regulate expression of these genes. We demonstrated that F2RL2, PANX2, and TRIM16L have differential effects on cell death, proliferation, and differentiation of NPCs in both the presence and absence of metal exposures, highlighting their roles in regulating NPC function. Furthermore, the analyses of the transcriptomic data on NPCs derived from autism spectrum disorder (ASD) patients revealed that dysregulation of F2RL2, TRIM16L, and PANX2 was associated with ASD genetic backgrounds and ASD risk genes. Our findings revealed that Pb and As induce a shared NRF2-dependent transcriptional response in NPCs and identified novel genes regulating NPC function. While further in vivo studies are warranted, this study provides a novel mechanism linking metal exposures to NPC function and identifies potential genes of interest in the context of neurodevelopment.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:463 |
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| Enthalten in: |
Journal of hazardous materials - 463(2024) vom: 05. Feb., Seite 132906 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Park, Hae-Ryung [VerfasserIn] |
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| Links: |
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| Themen: |
2P299V784P |
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| Anmerkungen: |
Date Completed 27.11.2023 Date Revised 27.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.jhazmat.2023.132906 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Park, Hae-Ryung |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Identification of novel NRF2-dependent genes as regulators of lead and arsenic toxicity in neural progenitor cells |
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| 520 | |a Copyright © 2023 Elsevier B.V. All rights reserved. | ||
| 520 | |a Lead (Pb) and arsenic (As) are prevalent metal contaminants in the environment. Exposures to these metals are associated with impaired neuronal functions and adverse effects on neurodevelopment in children. However, the molecular mechanisms by which Pb and As impair neuronal functions remain poorly understood. Here, we identified F2RL2, TRIM16L, and PANX2 as novel targets of Nuclear factor erythroid 2-related factor 2 (NRF2)-the master transcriptional factor for the oxidative stress response-that are commonly upregulated with both Pb and As in human neural progenitor cells (NPCs). Using a ChIP (Chromatin immunoprecipitation)-qPCR assay, we showed that NRF2 directly binds to the promoter region of F2RL2, TRIM16L, and PANX2 to regulate expression of these genes. We demonstrated that F2RL2, PANX2, and TRIM16L have differential effects on cell death, proliferation, and differentiation of NPCs in both the presence and absence of metal exposures, highlighting their roles in regulating NPC function. Furthermore, the analyses of the transcriptomic data on NPCs derived from autism spectrum disorder (ASD) patients revealed that dysregulation of F2RL2, TRIM16L, and PANX2 was associated with ASD genetic backgrounds and ASD risk genes. Our findings revealed that Pb and As induce a shared NRF2-dependent transcriptional response in NPCs and identified novel genes regulating NPC function. While further in vivo studies are warranted, this study provides a novel mechanism linking metal exposures to NPC function and identifies potential genes of interest in the context of neurodevelopment | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Arsenic | |
| 650 | 4 | |a Lead | |
| 650 | 4 | |a NRF2 | |
| 650 | 4 | |a Neural progenitor cells | |
| 650 | 4 | |a Neurodevelopment | |
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| 700 | 1 | |a Azzara, David |e verfasserin |4 aut | |
| 700 | 1 | |a Cohen, Ethan D |e verfasserin |4 aut | |
| 700 | 1 | |a Boomhower, Steven R |e verfasserin |4 aut | |
| 700 | 1 | |a Diwadkar, Avantika R |e verfasserin |4 aut | |
| 700 | 1 | |a Himes, Blanca E |e verfasserin |4 aut | |
| 700 | 1 | |a O'Reilly, Michael A |e verfasserin |4 aut | |
| 700 | 1 | |a Lu, Quan |e verfasserin |4 aut | |
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