Papers

61,005 results
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Review Tier 2

Microplastics and Their Effect on Neuroglia: A Narrative Review

This narrative review examines how microplastics — entering the body through inhalation, ingestion, and skin contact — may accumulate in neuroglial cells of the brain, raising concern about their role in neuroinflammation and neurodegenerative disease progression.

2025 Preprints.org
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

Exposure to microplastics/ nanoplastics induces responses of microglia and astrocytes: roles of oxidative stress and autophagy

This study investigated how microplastic and nanoplastic exposure affects glial cells including microglia and astrocytes in the central nervous system, which are essential for neurological immune defense and homeostasis. Exposure triggered reactive responses in both cell types, raising concern that plastic particle accumulation in the brain could contribute to neuroinflammation.

2024 Zenodo (CERN European Organization for Nuclear Research)
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

Exposure to microplastics/ nanoplastics induces responses of microglia and astrocytes: roles of oxidative stress and autophagy

This study examined how microplastic and nanoplastic exposure affects glial cells in the central nervous system, specifically investigating responses of microglia and astrocytes, which are the brain's primary immune and support cells. Results showed that micro- and nanoplastic exposure triggered inflammatory-type responses in these cells, raising concern for neurological effects.

2024 Zenodo (CERN European Organization for Nuclear Research)
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

Mechanistic insight of neurodegeneration due to micro/nano-plastic-induced gut dysbiosis.

This review provided mechanistic insight into how micro/nano-plastic-induced gut dysbiosis drives neurodegeneration, tracing a pathway from intestinal microbiome disruption to neuroinflammation and brain damage. It identified the gut-brain axis as the critical link between plastic particle exposure and progressive neurodegenerative conditions.

2025 Archives of toxicology
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

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
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

Impact of micro- and nanoplastics exposure on human health: focus on neurological effects from ingestion

This review compiles emerging evidence on how ingested microplastics and nanoplastics may affect the brain and nervous system. Researchers found that these particles can disrupt gut bacteria, cross the blood-brain barrier, and accumulate in neural tissue, potentially triggering inflammation, oxidative stress, and protein changes linked to cognitive problems. The study highlights an urgent need for more human research, as initial findings have associated elevated plastic particle levels in brain tissue with neurological concerns.

2025 Frontiers in Public Health 4 citations
Article Tier 2

The impact of microplastics on neurodegenerative diseases and underlying molecular mechanisms: A narrative review

This review explores how microplastics that accumulate in the environment can reach the brain through inhalation or by crossing the blood-brain barrier. Researchers examined evidence suggesting that microplastics may contribute to the onset or acceleration of neurodegenerative conditions by triggering harmful responses in brain cells. The study calls for stronger environmental policies, better detection methods, and further research into potential therapeutic interventions.

2024 Environmental Disease 8 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

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

An overview of research on the association between microplastics and central nervous system disorders

This review explores the growing body of evidence linking microplastic exposure to central nervous system disorders. Researchers found that microplastics can enter the body through ingestion, inhalation, and skin absorption, then accumulate in neural tissues where they trigger inflammation, oxidative stress, and neuronal damage. The study aims to provide a scientific foundation for assessing the public health risks of microplastic exposure on brain health.

2025 Frontiers in Public Health 2 citations
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

Micro- and Nanoplastics in the Brain: A Scoping Review Protocol on Their Presence, Neurotoxic Effects, and Implications for Human Health

This scoping review protocol outlines a systematic approach to mapping scientific evidence on the presence of micro- and nanoplastics in the brain, their neurotoxic effects, and potential implications for human health. The review will chart findings from both human studies and experimental models to identify key mechanisms, affected brain regions, and knowledge gaps in this emerging field.

2026 OSF Preprints (OSF Preprints)
Article Tier 2

Neurotoxicity of Micro- and Nanoplastics: A Comprehensive Review of Central Nervous System Impacts

This comprehensive review summarizes the evidence linking micro- and nanoplastic exposure to damage in the brain and nervous system. The plastics can harm neurons, disrupt the protective blood-brain barrier, trigger brain inflammation, and promote the clumping of proteins associated with diseases like Alzheimer's. The review highlights the gut-brain axis as a key pathway, meaning microplastics swallowed in food and water could affect brain health through the digestive system.

2025 Environment & Health 9 citations
Article Tier 2

Micro-nanoplastics in the central nervous system: Evidence, mechanisms and perspectives

This review examines evidence that micro- and nanoplastics can cross the blood-brain barrier and cause neurotoxicity through oxidative stress, neuroinflammation, and disruption of neurotransmitter signaling. While clinical studies have confirmed the presence of plastic particles in human brain tissue and cerebrospinal fluid, the authors note that methodological limitations and inconsistent quality controls currently prevent establishing a definitive causal link to neurological conditions.

2026 Toxicology
Article Tier 2

Micro- and nanoplastics in neurological dysfunction

This review examines growing evidence that micro- and nanoplastic particles can interfere with the nervous system across multiple species, including humans. Researchers found that plastic particles may disrupt cellular metabolism, affect brain development, and increase vulnerability to neurodevelopmental disorders and neurodegeneration. The authors highlight significant knowledge gaps that need to be addressed to understand the long-term neurological impacts of plastic particle exposure.

2026 Trends in Neurosciences
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

Nano/micro-plastic, an invisible threat getting into the brain

This editorial highlights growing evidence that nano- and microplastics can cross the blood-brain barrier through the bloodstream and nasal passages, triggering neuroinflammation and potentially contributing to brain disorders. The authors call for urgent multidisciplinary research to understand the pathways by which these plastic particles reach the brain and what long-term neurological damage they may cause.

2024 Chemosphere 56 citations
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
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