DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Eucalyptus Wood Smoke Extract Elicits a Dose-Dependent Effect in Brain Endothelial Cells

Journal Article · · International Journal of Molecular Sciences (Online)

The frequency, duration, and size of wildfires have been increasing, and the inhalation of wildfire smoke particles poses a significant risk to human health. Epidemiological studies have shown that wildfire smoke exposure is positively associated with cognitive and neurological dysfunctions. However, there is a significant gap in knowledge on how wildfire smoke exposure can affect the blood–brain barrier and cause molecular and cellular changes in the brain. Our study aims to determine the acute effect of smoldering eucalyptus wood smoke extract (WSE) on brain endothelial cells for potential neurotoxicity in vitro. Primary human brain microvascular endothelial cells (HBMEC) and immortalized human brain endothelial cell line (hCMEC/D3) were treated with different doses of WSE for 24 h. WSE treatment resulted in a dose-dependent increase in IL-8 in both HBMEC and hCMEC/D3. RNA-seq analyses showed a dose-dependent upregulation of genes involved in aryl hydrocarbon receptor (AhR) and nuclear factor erythroid 2-related factor 2 (NRF2) pathways and a decrease in tight junction markers in both HBMEC and hCMEC/D3. When comparing untreated controls, RNA-seq analyses showed that HBMEC have a higher expression of tight junction markers compared to hCMEC/D3. In summary, our study found that 24 h WSE treatment increases IL-8 production dose-dependently and decreases tight junction markers in both HBMEC and hCMEC/D3 that may be mediated through the AhR and NRF2 pathways, and HBMEC could be a better in vitro model for studying the effect of wood smoke extract or particles on brain endothelial cells.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2476471
Report Number(s):
LLNL--JRNL-866898; 1101896
Journal Information:
International Journal of Molecular Sciences (Online), Journal Name: International Journal of Molecular Sciences (Online) Journal Issue: 19 Vol. 25; ISSN 1422-0067
Publisher:
MDPICopyright Statement
Country of Publication:
United States
Language:
English

References (118)

An Air Particulate Pollutant Induces Neuroinflammation and Neurodegeneration in Human Brain Models journal September 2021
The toxicity of ambient fine particulate matter (PM2.5) to vascular endothelial cells journal January 2021
Cell cycle arrest by prostaglandin A1 at the G1/S phase interface with up‐regulation of oncogenes in S‐49 cyc cells journal March 1994
Limitations of the hCMEC/D3 cell line as a model for Aβ clearance by the human blood-brain barrier: Limitations hCMEC/D3 Model to Study Aβ Clearance journal October 2016
Lithium stabilizes the polarized lens epithelial phenotype and inhibits proliferation, migration, and epithelial mesenchymal transition journal August 2006
Data Analysis book June 2016
Pharmacological blockage of the AHR-CYP1A1 axis: a call for in vivo evidence journal November 2021
Biology of the cell cycle inhibitor p21CDKN1A: molecular mechanisms and relevance in chemical toxicology journal December 2014
Notch1-mediated inflammation is associated with endothelial dysfunction in human brain microvascular endothelial cells upon particulate matter exposure journal November 2020
Senescence and associated blood–brain barrier alterations in vitro journal May 2021
PECAM-1: regulator of endothelial junctional integrity journal January 2014
Particulate air pollution from wildfires in the Western US under climate change journal July 2016
Cellular Elements of the Blood-Brain Barrier journal October 2009
Blood–brain Barrier: Structural Components and Function Under Physiologic and Pathologic Conditions journal July 2006
The Effects of Wildfire Smoke on Asthma and Allergy journal May 2023
Involvement of CDKN1A (p21) in cellular senescence in response to heat and irradiation stress during preimplantation development journal May 2020
Effects of diesel exhaust particles and urban particles on brain endothelial cells journal October 2021
Long-term mortality burden trends attributed to black carbon and PM2·5 from wildfire emissions across the continental USA from 2000 to 2020: a deep learning modelling study journal December 2023
Tight junction proteins related to blood-brain barrier and their regulatory signaling pathways in ischemic stroke journal September 2023
Nicotine increases in vivo blood–brain barrier permeability and alters cerebral microvascular tight junction protein distribution journal November 2004
Protecting the BBB endothelium against cigarette smoke-induced oxidative stress using popular antioxidants: Are they really beneficial? journal November 2015
Nrf2 and AhR in metabolic reprogramming after contaminant exposure journal April 2018
Exposure to traffic-generated air pollutants mediates alterations in brain microvascular integrity in wildtype mice on a high-fat diet journal January 2018
Wildfire smoke exposure and human health: Significant gaps in research for a growing public health issue journal October 2017
The aryl hydrocarbon receptor, more than a xenobiotic-interacting protein journal March 2007
Environmental sampling of volatile organic compounds during the 2018 Camp Fire in Northern California journal May 2021
Immortalized human cerebral microvascular endothelial cells maintain the properties of primary cells in an in vitro model of immune migration across the blood brain barrier journal January 2013
Inflammation and oxidative stress induced by cigarette smoke in Lewis rat brains journal January 2013
The potential impact of bushfire smoke on brain health journal October 2020
Neurological impacts from inhalation of pollutants and the nose–brain connection journal August 2012
Neurodegenerative and neurological disorders by small inhaled particles journal September 2016
Interleukin-8: A chemokine at the intersection of cancer plasticity, angiogenesis, and immune suppression journal March 2021
The aryl hydrocarbon receptor as a target of environmental stressors – Implications for pollution mediated stress and inflammatory responses journal July 2020
Mixtures modeling identifies chemical inducers versus repressors of toxicity associated with wildfire smoke journal June 2021
Disruption of the integrity and function of brain microvascular endothelial cells in culture by exposure to diesel engine exhaust particles journal June 2013
In vivo and in vitro inflammatory responses to fine particulate matter (PM2.5) from China and California journal August 2020
Exposure to traffic-generated air pollution promotes alterations in the integrity of the brain microvasculature and inflammation in female ApoE-/- mice journal March 2021
Identifying Toxicologically Significant Compounds in Urban Wildfire Ash Using In Vitro Bioassays and High-Resolution Mass Spectrometry journal March 2021
Beyond Particulate Matter Mass: Heightened Levels of Lead and Other Pollutants Associated with Destructive Fire Events in California journal October 2022
AhR Agonistic Components in Urban Particulate Matter Regulate Astrocytic Activation and Function journal March 2024
Physicochemical Characterization of the Particulate Matter in New Jersey/New York City Area, Resulting from the Canadian Quebec Wildfires in June 2023 journal July 2024
Trace gas and particle emissions from fires in large diameter and belowground biomass fuels: EMISSIONS FROM SMOLDERING BIOMASS journal February 2003
The role of senescent cells in ageing journal May 2014
Endothelial senescence in vascular diseases: current understanding and future opportunities in senotherapeutics journal January 2023
Ferroptosis: past, present and future journal February 2020
Dominant role of CDKN2B/p15INK4B of 9p21.3 tumor suppressor hub in inhibition of cell-cycle and glycolysis journal April 2021
A new gene set identifies senescent cells and predicts senescence-associated pathways across tissues journal August 2022
Increasing frequency and intensity of the most extreme wildfires on Earth journal June 2024
Global population exposure to landscape fire air pollution from 2000 to 2019 journal September 2023
Bushfire smoke is pro-inflammatory and suppresses macrophage phagocytic function journal September 2018
Cigarette smoke extract exacerbates hyperpermeability of cerebral endothelial cells after oxygen glucose deprivation and reoxygenation journal October 2019
Effects of intranasal instillation of nanoparticulate matter in the olfactory bulb journal August 2021
The tight junction protein occludin modulates blood–brain barrier integrity and neurological function after ischemic stroke in mice journal February 2023
Exposure to local, source-specific ambient air pollution during pregnancy and autism in children: a cohort study from southern Sweden journal March 2023
The metabolic roots of senescence: mechanisms and opportunities for intervention journal October 2021
A 3D neurovascular microfluidic model consisting of neurons, astrocytes and cerebral endothelial cells as a blood–brain barrier journal January 2017
Where There’s Wildfire, There’s Smoke journal March 2018
Inducers of the endothelial cell barrier identified through chemogenomic screening in genome-edited hPSC-endothelial cells journal August 2020
Composition of particulate matter during a wildfire smoke episode in an urban area journal March 2021
Junctional proteins of the blood-brain barrier: New insights into function and dysfunction journal January 2016
Localization of the tight junction protein, ZO-1, is modulated by extracellular calcium and cell-cell contact in Madin-Darby canine kidney epithelial cells. journal December 1988
Vascular Cell Adhesion Molecule-1 Expression and Signaling During Disease: Regulation by Reactive Oxygen Species and Antioxidants journal September 2011
The Unique-5 and -6 Motifs of ZO-1 Regulate Tight Junction Strand Localization and Scaffolding Properties journal March 2007
STAR: ultrafast universal RNA-seq aligner journal October 2012
featureCounts: an efficient general purpose program for assigning sequence reads to genomic features journal November 2013
Neuroinflammatory and Neurometabolomic Consequences From Inhaled Wildfire Smoke-Derived Particulate Matter in the Western United States journal December 2021
Mechanisms underlying aryl hydrocarbon receptor-driven divergent macrophage function journal April 2024
Cigarette Smoke Components Induce Matrix Metalloproteinase-1 in Aortic Endothelial Cells through Inhibition of mTOR Signaling journal July 2011
Firefighters and COVID-19: An Occupational Health Perspective journal June 2021
The atypical E2F family member E2F7 couples the p53 and RB pathways during cellular senescence journal July 2012
E2F integrates cell cycle progression with DNA repair, replication, and G2/M checkpoints journal January 2002
Macrophages treated with particulate matter PM2.5 induce selective neurotoxicity through glutaminase‐mediated glutamate generation journal May 2015
Environmental stress, ageing and glial cell senescence: a novel mechanistic link to Parkinson's disease? journal April 2013
Immortalized Human Brain Endothelial Cell Line HCMEC/D3 as a Model of the Blood-Brain Barrier Facilitates In Vitro Studies of Central Nervous System Infection by Cryptococcus neoformans journal November 2009
A Three-Dimensional Cell Culture System To Model RNA Virus Infections at the Blood-Brain Barrier journal June 2017
Neuroinflammatory mechanisms of blood-brain barrier damage in ischemic stroke journal February 2019
Wood smoke extract induces oxidative stress-mediated caspase-independent apoptosis in human lung endothelial cells: role of AIF and EndoG journal November 2005
Overexpression of the Aryl Hydrocarbon Receptor (Ahr) Mediates an Oxidative Stress Response following Injection of Fine Particulate Matter in the Temporal Cortex journal December 2020
Early Life Wildfire Smoke Exposure Is Associated with Immune Dysregulation and Lung Function Decrements in Adolescence journal May 2017
Cellular senescence: a key therapeutic target in aging and diseases journal August 2022
In vitro models of the blood–brain barrier: An overview of commonly used brain endothelial cell culture models and guidelines for their use journal February 2016
The effect of tobacco smoke exposure on the generation of reactive oxygen species and cellular membrane damage using co-culture model of blood brain barrier with astrocytes journal January 2017
Influence of Woodsmoke Exposure on Molecular Mechanisms Underlying Alzheimer’s Disease: Existing Literature and Gaps in Our Understanding journal January 2020
Wood smoke exposure induces a pulmonary and systemic inflammatory response in firefighters journal March 2008
Cigarette smoke extract upregulates heme oxygenase-1 via PKC/NADPH oxidase/ROS/PDGFR/PI3K/Akt pathway in mouse brain endothelial cells journal August 2011
A scaling normalization method for differential expression analysis of RNA-seq data journal March 2010
Lipopolysaccharide downregulates the expression of ZO-1 protein through the Akt pathway journal October 2022
The pathogenic effects of particulate matter on neurodegeneration: a review journal February 2022
A face-to-face comparison of claudin-5 transduced human brain endothelial (hCMEC/D3) cells with porcine brain endothelial cells as blood–brain barrier models for drug transport studies journal August 2020
Comparative assessment of in vitro BBB tight junction integrity following exposure to cigarette smoke and e-cigarette vapor: a quantitative evaluation of the protective effects of metformin using small-molecular-weight paracellular markers journal June 2021
Urban air particulate matter induces mitochondrial dysfunction in human olfactory mucosal cells journal June 2020
Cardiovascular health impacts of wildfire smoke exposure journal January 2021
Moderated estimation of fold change and dispersion for RNA-seq data with DESeq2 journal December 2014
Smoking-related dysregulation of plasma circulating microRNAs: the Rotterdam study journal July 2023
Association between air pollution exposure and mental health service use among individuals with first presentations of psychotic and mood disorders: retrospective cohort study journal August 2021
Short-Term Exposure to Wildfire Smoke and PM2.5 and Cognitive Performance in a Brain-Training Game: A Longitudinal Study of U.S. Adults journal June 2022
Mutagenicity and Lung Toxicity of Smoldering vs. Flaming Emissions from Various Biomass Fuels: Implications for Health Effects from Wildland Fires journal January 2018
The Effects of Chronic Exposure to Ambient Traffic-Related Air Pollution on Alzheimer’s Disease Phenotypes in Wildtype and Genetically Predisposed Male and Female Rats journal May 2021
Differences in interference processing and frontal brain function with climate trauma from California’s deadliest wildfire journal January 2023
Transcriptional Profiling of Human Brain Endothelial Cells Reveals Key Properties Crucial for Predictive In Vitro Blood-Brain Barrier Models journal May 2012
Association between air pollution from residential wood burning and dementia incidence in a longitudinal study in Northern Sweden journal June 2018
Oxidative Damage and Antioxidant Defense in Ferroptosis journal September 2020
Mechanisms of Cellular Senescence: Cell Cycle Arrest and Senescence Associated Secretory Phenotype journal March 2021
Immune Cells in the BBB Disruption After Acute Ischemic Stroke: Targets for Immune Therapy? journal June 2021
Cellular Senescence in Neurodegenerative Diseases journal February 2020
Hippocampal but Not Serum Cytokine Levels Are Altered by Traffic-Related Air Pollution in TgF344-AD and Wildtype Fischer 344 Rats in a Sex- and Age-Dependent Manner journal April 2022
A review of respirable fine particulate matter (PM2.5)-induced brain damage journal September 2022
The Role of Intercellular Adhesion Molecule-1 in the Pathogenesis of Psychiatric Disorders journal November 2019
Structure, Function, and Regulation of the Blood-Brain Barrier Tight Junction in Central Nervous System Disorders journal August 2020
Toxic Air Pollutants and Their Effect on Multiple Sclerosis: A Review Study journal July 2022
The Aryl Hydrocarbon Receptor Suppresses Chronic Smoke-Induced Pulmonary Inflammation journal July 2021
Aryl Hydrocarbon Receptor Signaling Synergizes with TLR/NF-κB-Signaling for Induction of IL-22 Through Canonical and Non-Canonical AhR Pathways journal February 2022
Nrf2 and Oxidative Stress: A General Overview of Mechanisms and Implications in Human Disease journal November 2022
Alteration of E2F2 Expression in Governing Endothelial Cell Senescence journal August 2022
Recent Insights into Particulate Matter (PM2.5)-Mediated Toxicity in Humans: An Overview journal June 2022
Association between Exposure to Particulate Matter Air Pollution during Early Childhood and Risk of Attention-Deficit/Hyperactivity Disorder in Taiwan journal December 2022
Pathophysiological Impact of Cigarette Smoke Exposure on the Cerebrovascular System with a Focus on the Blood-brain Barrier: Expanding the Awareness of Smoking Toxicity in an Underappreciated Area journal November 2010
Aryl Hydrocarbon Receptor in Oxidative Stress as a Double Agent and Its Biological and Therapeutic Significance journal June 2022