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61,005 resultsShowing papers similar to Neurotoxicity of Plastics: Mechanistic Insights into the Progression of Neurodegenerative Diseases in Animal Models
ClearInsights 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.
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.
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.
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.
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.
A current perspective on the relevance of nano and microplastics in the neurodevelopmental disorders: further relevance for metabolic, gastrointestinal, oxidative stress-related and zebrafish studies
This review examines evidence that micro- and nanoplastics may affect brain development and neurological function, drawing on studies in zebrafish and other animal models. The authors discuss potential mechanisms including oxidative stress and endocrine disruption, and call for more research on the neurodevelopmental risks of plastic particle exposure.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Effects of Microplastics and Nanoplastics on Neurodevelopment and Neurodegeneration in Zebrafish
This review covers how micro- and nanoplastic (MNP) exposure affects neurodevelopment and neurodegeneration in zebrafish, summarising evidence on impaired neurodevelopment, behavioural changes, and markers of neurodegeneration from studies using various polymer types and exposure routes. It frames zebrafish as a key model for understanding MNP neurotoxicity.
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.
Neurophysiological and Behavioral Effects of Micro- and Nanoplastics in Aquatic Organisms
Researchers reviewed evidence that micro- and nanoplastics in aquatic environments cross the blood-brain barrier, accumulate in neural tissues, and cause oxidative stress, neuroinflammation, and disrupted neurotransmitter signaling, with downstream effects on locomotion, feeding, predator avoidance, and social behavior across multiple aquatic species.
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.
Current Aspects on the Plastic Nano- and Microparticles Toxicity in Zebrafish—Focus on the Correlation between Oxidative Stress Responses and Neurodevelopment
This review examines how nano- and micro-sized plastic particles cause toxic effects in zebrafish, focusing on the link between oxidative stress and neurodevelopmental damage. Researchers found that plastic particle exposure disrupts the balance of reactive oxygen species in cells, which can impair brain development and nervous system function. The study suggests these oxidative stress responses may serve as early warning signals of plastic particle toxicity in aquatic organisms.
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.
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.
Unveiling the toxicity of micro-nanoplastics: A systematic exploration of understanding environmental and health implications
This review summarizes what is known about the toxicity of micro- and nanoplastics, noting they can cross critical barriers in the body including the blood-brain barrier. Studies in lab animals show these particles can cause DNA damage, oxidative stress, and cell death, with potential effects on the brain, heart, lungs, and skin, underscoring the need for more real-world human studies.
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.