Papers

61,005 results
|
Article Tier 2

Brain under siege: the role of micro and nanoplastics in neuroinflammation and oxidative stress

This review examines emerging evidence that micro- and nanoplastics can cross the blood-brain barrier and accumulate in nervous tissue, potentially triggering neuroinflammation and oxidative stress. Researchers summarized findings showing these particles may act as neurotoxicants that contribute to synaptic dysfunction and pathological changes in brain cells. The study highlights the need for further research into how chronic plastic particle exposure may affect central nervous system health over time.

2026 3 Biotech
Article Tier 2

Neurotoxicityof Micro- and Nanoplastics: A ComprehensiveReview of Central Nervous System Impacts

This comprehensive review examines neurotoxicity of micro- and nanoplastics, synthesizing evidence that MNP exposure disrupts neural signaling, promotes neuroinflammation, crosses the blood-brain barrier, and may contribute to neurodegenerative and neurodevelopmental disorders.

2025 Figshare
Article Tier 2

Microplastics/nanoplastics and neurological health: An overview of neurological defects and mechanisms

This review summarizes evidence that micro and nanoplastics can harm the nervous system, causing developmental abnormalities, brain cell death, neurological inflammation, and potentially contributing to neurodegenerative diseases. Animal studies show that these tiny plastics can cross the blood-brain barrier and accumulate in brain tissue, where they trigger oxidative stress and disrupt normal brain function. While direct evidence in humans is still limited, the findings suggest that chronic microplastic exposure could be a risk factor for neurological health problems.

2024 Toxicology 19 citations
Article Tier 2

Neurotoxicities induced by micro/nanoplastics: A review focusing on the risks of neurological diseases

This review summarizes evidence that micro- and nanoplastics can reach the brain through the bloodstream and nerve pathways, where they trigger oxidative stress, inflammation, and cell damage that may contribute to neurodegenerative diseases. The particles are found in air, water, soil, and food, meaning humans are constantly exposed through breathing, eating, and skin contact, making brain effects a serious long-term concern.

2024 Journal of Hazardous Materials 99 citations
Article Tier 2

Insights into the toxic effects of micro-nano-plastics on the human brain and their relationship with the onset of neurological diseases: A narrative review.

This review examined toxic effects of micro and nano-plastics (MNPs) on the human brain, linking MNP exposure to neuroinflammation, oxidative stress, disruption of the blood-brain barrier, and progression toward neurodegenerative diseases. The authors synthesized evidence from cell studies, animal models, and emerging human data.

2025 Ageing research reviews
Article Tier 2

The effects of micro- and nanoplastics on the central nervous system: A new threat to humanity?

This review summarizes growing evidence that micro- and nanoplastics can cross the blood-brain barrier and damage the central nervous system through inflammation, oxidative stress, and disruption of brain chemicals. The authors note that microplastic exposure has been linked to memory and behavior changes in animals and may contribute to neurodegenerative diseases like Parkinson's, though direct human evidence is still limited.

2024 Toxicology 52 citations
Article Tier 2

Neurotoxicity of nanoplastics: A review

This review examines the growing body of evidence on how nanoplastics may affect the nervous system. Researchers summarized findings showing that nanoplastics can cross biological barriers, accumulate in brain tissue, and trigger oxidative stress and inflammation in nerve cells. The evidence indicates that nanoplastic exposure may contribute to neurotoxic effects, though more research is needed to fully understand the risks to human brain health.

2024 F1000Research 5 citations
Article Tier 2

Overall effects of microplastics on brain

This review synthesizes research on how micro- and nanoplastics affect the brain, finding evidence that these particles can cross critical biological barriers including the blood-brain barrier and placenta to reach the central nervous system. Researchers found that once in the brain, microplastics may trigger oxidative stress, inflammation, and disruption of neurotransmitter systems. The study suggests that microplastic exposure represents an emerging concern for neurological health, though more research is needed to fully characterize the risks.

2025 Frontiers in Toxicology 1 citations
Article Tier 2

Nano- and Microplastics in the Brain: An Emerging Threat to Neural Health

This review summarizes evidence that nano- and microplastics can cross the blood-brain barrier and accumulate in brain tissue, where they trigger oxidative stress, inflammation, and protein clumping linked to diseases like Alzheimer's and Parkinson's. The findings suggest that plastic particles may also interfere with the brain's ability to heal from injury, though long-term human studies are still lacking.

2025 Nanomaterials 15 citations
Article Tier 2

Mechanisms of micro- and nanoplastics on blood-brain barrier crossing and neurotoxicity: Current evidence and future perspectives

This review examines evidence that micro- and nanoplastics can cross the blood-brain barrier, the protective shield around the brain, through multiple pathways including disrupting the barrier's tight junctions and being transported inside cells. Once in the brain, these particles may cause damage through oxidative stress, inflammation, mitochondrial dysfunction, and disrupted iron metabolism, with effects worsened when plastics carry other pollutants like heavy metals.

2025 NeuroToxicology 21 citations
Article Tier 2

From environment to brain: the role of microplastics in neurobehavioral disorders

This review examines how microplastics enter the human body and cross the blood-brain barrier, linking their presence in neural tissue to neurobehavioral disorders through mechanisms including neuroinflammation, oxidative stress, and disruption of neurotransmitter systems.

2025 Frontiers in Neuroscience
Systematic Review Tier 1

A systematic review of the potential neurotoxicity of micro-and nanoplastics: the known and unknown

This critical review of 234 studies found that micro- and nanoplastics can reach the brain via olfactory translocation or by crossing the blood-brain barrier, where they may cause neuroinflammation, oxidative damage, and behavioral changes in animal models. The evidence raises significant concerns about potential neurotoxic effects of chronic microplastic exposure in humans, though major knowledge gaps remain.

2025 Particle and Fibre Toxicology 6 citations
Article Tier 2

Deciphering the Neurotoxic Burden of Micro- and Nanoplastics: From Multi-model Experimental Evidence to Therapeutic Innovation

This review summarizes research on how micro- and nanoplastics damage the brain and nervous system, covering evidence from cell studies, animal experiments, and clinical observations. Plastic particles can cross the blood-brain barrier, disrupt the gut-brain connection, cause oxidative stress, and trigger inflammation that leads to memory problems and cognitive decline. The review also discusses potential treatment strategies, making it a useful resource for understanding the brain health risks of plastic exposure.

2025 Molecular Neurobiology 6 citations
Systematic Review Tier 1

The neurotoxic threat of micro- and nanoplastics: evidence from In Vitro and In Vivo models

This systematic review examined 26 studies showing that micro- and nanoplastics can cross into the brain, damage neurons, and trigger inflammation in lab and animal models. These findings raise concerns that long-term plastic exposure could contribute to neurological problems in humans, though more research is needed.

2025 Archives of Toxicology 23 citations
Systematic Review Tier 1

A systematic review of the potential neurotoxicity of micro-and nanoplastics: the known and unknown

This systematic review summarizes 234 research studies on how micro- and nanoplastics may harm the brain and nervous system. Evidence from animal and lab studies suggests these particles can reach the brain through the nose or by crossing the blood-brain barrier, potentially causing inflammation, oxidative stress, and nerve cell damage.

2025 Figshare
Article Tier 2

From the Environment to Molecular Interactions of Nanoplastics: Unraveling the Neurotoxic Impacts and the Implications in Neurodegenerative Processes

This review examines how nanoplastics can cross the blood-brain barrier and potentially contribute to brain damage and neurodegenerative diseases like Alzheimer's and Parkinson's. Nanoplastics have been found in food, water, and air, and once they reach the brain they can trigger inflammation, oxidative stress, and protein misfolding. The review calls for more realistic lab studies and better detection methods to understand the true scope of nanoplastic effects on brain health.

2024 Applied Sciences 12 citations
Article Tier 2

Recent progress and future directions of the research on nanoplastic-induced neurotoxicity

This review summarizes current research on how nanoplastics cause damage to the nervous system, covering studies in cell cultures, zebrafish, mice, and other models. Nanoplastics can cross the blood-brain barrier, trigger oxidative stress and inflammation in brain tissue, and disrupt nerve cell function. The authors highlight that understanding these mechanisms is crucial for assessing the long-term neurological risks of human exposure to nanoplastics through food, water, and air.

2023 Neural Regeneration Research 59 citations
Article Tier 2

Elucidating the Neurotoxicopathological Impact of Micro and Nanoplastics: Mechanistic Insights Into Oxidative Stress-mediated Neurodegeneration and Implications for Public Health in a Plastic Pervasive Era

Researchers reviewed the growing evidence linking micro- and nanoplastic exposure to neurodegenerative diseases, identifying oxidative stress, neuroinflammation, DNA damage, and protein misfolding as key mechanisms of harm to the brain. The review highlights critical knowledge gaps — especially around chronic low-dose exposure — and calls for better detection tools and public health policies to address the emerging neurological threat from plastic pollution.

2025 Indian Journal of Health Care Medical & Pharmacy Practice
Article Tier 2

Environmental exposure pathways of microplastics and their toxic effects on ecosystems and the nervous system

This review examines the environmental pathways by which microplastics enter the human body through ingestion, inhalation, and skin contact, with a particular focus on their effects on the nervous system. Researchers summarize evidence that microplastics can cross the blood-brain barrier and may trigger neuroinflammation and oxidative stress in brain tissue. The study highlights the nervous system as a key area of concern for microplastic-related health research.

2025 Frontiers in Toxicology 3 citations
Article Tier 2

Assessing the Impact of Microplastics on Brain Chemistry: The Need for a Comprehensive Policy Framework to Mitigate Toxicity

This review examines the growing evidence that microplastics can cross biological barriers, accumulate in brain tissue, and affect neurological function. Researchers found that microplastic exposure has been linked to neurotoxicity, oxidative stress, and inflammation in the brain, with potential implications for neurotransmitter systems and cognitive function. The study calls for comprehensive regulatory measures to limit microplastic pollution and further research into the long-term neurological health effects.

2024 International Journal of Science and Healthcare Research 2 citations
Article Tier 2

From exposure to neurotoxicity induced by micro-nanoplastics with brain accumulation and cognitive decline

This review synthesizes evidence that micro- and nanoplastics can reach the brain by crossing the blood-brain barrier or traveling along nerve pathways, accumulating in regions critical for memory and thinking. Animal studies show that chronic exposure leads to cognitive problems, behavioral changes, and brain changes resembling neurodegenerative diseases, driven by oxidative stress, inflammation, and disruption of the gut-brain connection. The findings raise concern that long-term human exposure to nanoplastics through food and air could contribute to cognitive decline and neurological disease.

2025 Ecotoxicology and Environmental Safety 7 citations
Article Tier 2

A perspective on the potential impact of microplastics and nanoplastics on the human central nervous system

This paper discusses evidence that micro- and nanoplastics may be able to cross the blood-brain barrier, the protective layer that normally keeps harmful substances out of the brain. If confirmed in humans, this could mean plastic particles contribute to neurodegenerative diseases, though more research is needed to understand the extent of this risk.

2025 Environmental Science Nano 29 citations
Article Tier 2

The plastic brain: neurotoxicity of micro- and nanoplastics

This review examines the emerging evidence that micro- and nanoplastics can reach the brain in both aquatic animals and mammals, potentially causing neurotoxic effects. Researchers found that exposure to these particles induces oxidative stress, inhibits key enzymes involved in nerve signaling, and alters neurotransmitter levels, which may contribute to behavioral changes. The study highlights that systematic research comparing different particle types, sizes, and exposure conditions is urgently needed to understand the neurological risks.

2020 Particle and Fibre Toxicology 691 citations
Systematic Review Tier 1

A systematic review of the potential neurotoxicity of micro-and nanoplastics: the known and unknown

This systematic review summarizes 234 research studies on how micro- and nanoplastics may harm the brain and nervous system. Evidence from animal and lab studies suggests these particles can reach the brain, potentially through the nose or by crossing the blood-brain barrier, and may cause inflammation and damage to nerve cells.

2025 Figshare