Articles

Towards a more effective and efficient governance and regulation of nanomaterials

The uncertainty regarding the effects and risks of nanomaterials on human health and the environment, and how they should be tested and assessed in the context of current regulations, is clearly holding back t...

Authors: Tom Van Teunenbroek, James Baker and Aart Dijkzeul

Suppression of PTPN6 exacerbates aluminum oxide nanoparticle-induced COPD-like lesions in mice through activation of STAT pathway

Inhaled nanoparticles can deposit in the deep lung where they interact with pulmonary cells. Despite numerous studies on pulmonary nanotoxicity, detailed molecular mechanisms of specific nanomaterial-induced l...

Authors: Xiaobo Li, Hongbao Yang, Shenshen Wu, Qingtao Meng, Hao Sun, Runze Lu, Jian Cui, Yuxin Zheng, Wen Chen, Rong Zhang, Michael Aschner and Rui Chen

On the pivotal role of dose for particle toxicology and risk assessment: exposure is a poor surrogate for delivered dose

Authors: Otmar Schmid and Flemming R. Cassee

Pro-inflammatory adjuvant properties of pigment-grade titanium dioxide particles are augmented by a genotype that potentiates interleukin 1β processing

Pigment-grade titanium dioxide (TiO₂) particles are an additive to some foods (E171 on ingredients lists), toothpastes, and pharma−/nutraceuticals and are absorbed, to some extent, in the human intestinal tract. ...

Authors: Sebastian Riedle, Laetitia C. Pele, Don E. Otter, Rachel E. Hewitt, Harjinder Singh, Nicole C. Roy and Jonathan J. Powell

Metabolomic effects of CeO₂, SiO₂ and CuO metal oxide nanomaterials on HepG2 cells

To better assess potential hepatotoxicity of nanomaterials, human liver HepG2 cells were exposed for 3 days to five different CeO₂ (either 30 or 100 μg/ml), 3 SiO₂ based (30 μg/ml) or 1 CuO (3 μg/ml) nanomaterial...

Authors: Kirk T. Kitchin, Steve Stirdivant, Brian L. Robinette, Benjamin T. Castellon and Xinhua Liang

Biodistribution of single and aggregated gold nanoparticles exposed to the human lung epithelial tissue barrier at the air-liquid interface

The lung represents the primary entry route for airborne particles into the human body. Most studies addressed possible adverse effects using single (nano)particles, but aerosolic nanoparticles (NPs) tend to a...

Authors: Estelle Durantie, Dimitri Vanhecke, Laura Rodriguez-Lorenzo, Flavien Delhaes, Sandor Balog, Dedy Septiadi, Joel Bourquin, Alke Petri-Fink and Barbara Rothen-Rutishauser

Kinetics and dissolution of intratracheally administered nickel oxide nanomaterials in rats

The toxicokinetics of nanomaterials are an important factor in toxicity, which may be affected by slow clearance and/or distribution in the body.

Authors: Naohide Shinohara, Guihua Zhang, Yutaka Oshima, Toshio Kobayashi, Nobuya Imatanaka, Makoto Nakai, Takeshi Sasaki, Kenji Kawaguchi and Masashi Gamo

The unrecognized occupational relevance of the interaction between engineered nanomaterials and the gastro-intestinal tract: a consensus paper from a multidisciplinary working group

There is a fundamental gap of knowledge on the health effects caused by the interaction of engineered nanomaterials (ENM) with the gastro-intestinal tract (GIT). This is partly due to the incomplete knowledge ...

Authors: Antonio Pietroiusti, Enrico Bergamaschi, Marcello Campagna, Luisa Campagnolo, Giuseppe De Palma, Sergio Iavicoli, Veruscka Leso, Andrea Magrini, Michele Miragoli, Paola Pedata, Leonardo Palombi and Ivo Iavicoli

Effects of urban coarse particles inhalation on oxidative and inflammatory parameters in the mouse lung and colon

Air pollution is a recognized aggravating factor for pulmonary diseases and has notably deleterious effects on asthma, bronchitis and pneumonia. Recent studies suggest that air pollution may also cause adverse...

Authors: Cécile Vignal, Muriel Pichavant, Laurent Y. Alleman, Madjid Djouina, Florian Dingreville, Esperanza Perdrix, Christophe Waxin, Adil Ouali Alami, Corinne Gower-Rousseau, Pierre Desreumaux and Mathilde Body-Malapel

Mechanistic insight into the impact of nanomaterials on asthma and allergic airway disease

Asthma is a chronic respiratory disease known for its high susceptibility to environmental exposure. Inadvertent inhalation of engineered or incidental nanomaterials is a concern for human health, particularly...

Authors: Kirsty Meldrum, Chang Guo, Emma L. Marczylo, Timothy W. Gant, Rachel Smith and Martin O. Leonard

Impaired Ciliogenesis in differentiating human bronchial epithelia exposed to non-Cytotoxic doses of multi-walled carbon Nanotubes

Multi-walled carbon nanotubes (MWCNTs) are engineered nanomaterials used for a variety of industrial and consumer products. Their high tensile strength, hydrophobicity, and semi-conductive properties have enab...

Authors: Ryan J. Snyder, Salik Hussain, Charles J. Tucker, Scott H. Randell and Stavros Garantziotis

Silica nanoparticles inhibit the cation channel TRPV4 in airway epithelial cells

Silica nanoparticles (SiNPs) have numerous beneficial properties and are extensively used in cosmetics and food industries as anti-caking, densifying and hydrophobic agents. However, the increasing exposure le...

Authors: Alicia Sanchez, Julio L. Alvarez, Kateryna Demydenko, Carole Jung, Yeranddy A. Alpizar, Julio Alvarez-Collazo, Stevan M. Cokic, Miguel A. Valverde, Peter H. Hoet and Karel Talavera

Protein corona: implications for nanoparticle interactions with pulmonary cells

We previously showed that cerium oxide (CeO₂), barium sulfate (BaSO₄) and zinc oxide (ZnO) nanoparticles (NPs) exhibited different lung toxicity and pulmonary clearance in rats. We hypothesize that these NPs acqu...

Authors: Nagarjun V. Konduru, Ramon M. Molina, Archana Swami, Flavia Damiani, Georgios Pyrgiotakis, Paulo Lin, Patrizia Andreozzi, Thomas C. Donaghey, Philip Demokritou, Silke Krol, Wolfgang Kreyling and Joseph D. Brain

Multiparametric analysis of anti-proliferative and apoptotic effects of gold nanoprisms on mouse and human primary and transformed cells, biodistribution and toxicity in vivo

The special physicochemical properties of gold nanoprisms make them very useful for biomedical applications including biosensing and cancer therapy. However, it is not clear how gold nanoprisms may affect cell...

Authors: Marta Pérez-Hernández, María Moros, Grazyna Stepien, Pablo del Pino, Sebastián Menao, Marcelo de las Heras, Maykel Arias, Scott G. Mitchell, Beatriz Pelaz, Eva M. Gálvez, Jesús M. de la Fuente and Julián Pardo

An integrated methodology for assessing the impact of food matrix and gastrointestinal effects on the biokinetics and cellular toxicity of ingested engineered nanomaterials

Engineered nanomaterials (ENMs) are increasingly added to foods to improve their quality, sensory appeal, safety and shelf-life. Human exposure to these ingested ENMs (iENMS) is inevitable, yet little is known...

Authors: Glen M. DeLoid, Yanli Wang, Klara Kapronezai, Laura Rubio Lorente, Roujie Zhang, Georgios Pyrgiotakis, Nagarjun V. Konduru, Maria Ericsson, Jason C. White, Roberto De La Torre-Roche, Hang Xiao, David Julian McClements and Philip Demokritou

In vitro toxicoproteomic analysis of A549 human lung epithelial cells exposed to urban air particulate matter and its water-soluble and insoluble fractions

Toxicity of airborne particulate matter (PM) is difficult to assess because PM composition is complex and variable due to source contribution and atmospheric transformation. In this study, we used an in vitro ...

Authors: Ngoc Q. Vuong, Dalibor Breznan, Patrick Goegan, Julie S. O’Brien, Andrew Williams, Subramanian Karthikeyan, Premkumari Kumarathasan and Renaud Vincent

Cobalt nanoparticles induce lung injury, DNA damage and mutations in mice

We and other groups have demonstrated that exposure to cobalt nanoparticles (Nano-Co) caused oxidative stress and inflammation, which have been shown to be strongly associated with genotoxic and carcinogenic e...

Authors: Rong Wan, Yiqun Mo, Zhenyu Zhang, Mizu Jiang, Shichuan Tang and Qunwei Zhang

Stat-6 signaling pathway and not Interleukin-1 mediates multi-walled carbon nanotube-induced lung fibrosis in mice: insights from an adverse outcome pathway framework

The accumulation of MWCNTs in the lung environment leads to inflammation and the development of disease similar to pulmonary fibrosis in rodents. Adverse Outcome Pathways (AOPs) are a framework for defining an...

Authors: Jake Nikota, Allyson Banville, Laura Rose Goodwin, Dongmei Wu, Andrew Williams, Carole Lynn Yauk, Håkan Wallin, Ulla Vogel and Sabina Halappanavar

Imipramine blocks acute silicosis in a mouse model

Inhalation of crystalline silica is associated with pulmonary inflammation and silicosis. Although silicosis remains a prevalent health problem throughout the world, effective treatment choices are limited. Im...

Authors: Rupa Biswas, Kevin L. Trout, Forrest Jessop, Jack R. Harkema and Andrij Holian

Diesel engine exhaust accelerates plaque formation in a mouse model of Alzheimer’s disease

Increasing evidence from toxicological and epidemiological studies indicates that the central nervous system is an important target for ambient air pollutants. We have investigated whether long-term inhalation...

Authors: Maja Hullmann, Catrin Albrecht, Damiën van Berlo, Miriam E. Gerlofs-Nijland, Tina Wahle, Agnes W. Boots, Jean Krutmann, Flemming R. Cassee, Thomas A. Bayer and Roel P. F. Schins

NF-κB-regulated microRNA-574-5p underlies synaptic and cognitive impairment in response to atmospheric PM_2.5 aspiration

PM_2.5 (particulate matter ≤ 2.5 μm) is one of the leading environmental risk factors for the global burden of disease. Whereas increasing evidence has linked the adverse roles of PM_2.5 with cardiovascular and res...

Authors: Tingting Ku, Ben Li, Rui Gao, Yingying Zhang, Wei Yan, Xiaotong Ji, Guangke Li and Nan Sang

Erratum to: Reduction of pulmonary toxicity of metal oxide nanoparticles by phosphonate-based surface passivation

Authors: Xiaoming Cai, Anson Lee, Zhaoxia Ji, Cynthia Huang, Chong Hyun Chang, Xiang Wang, Yu-Pei Liao, Tian Xia and Ruibin Li

Extracellular vesicle-packaged miRNA release after short-term exposure to particulate matter is associated with increased coagulation

Exposure to particulate matter (PM) is associated with increased incidence of cardiovascular disease and increased coagulation, but the molecular mechanisms underlying these associations remain unknown. Obesit...

Authors: Laura Pergoli, Laura Cantone, Chiara Favero, Laura Angelici, Simona Iodice, Eva Pinatel, Mirjam Hoxha, Laura Dioni, Marilena Letizia, Benedetta Albetti, Letizia Tarantini, Federica Rota, Pier Alberto Bertazzi, Amedea Silvia Tirelli, Vincenza Dolo, Andrea Cattaneo…

Impact of copper oxide nanomaterials on differentiated and undifferentiated Caco-2 intestinal epithelial cells; assessment of cytotoxicity, barrier integrity, cytokine production and nanomaterial penetration

Copper oxide nanomaterials (CuO NMs) are exploited in a diverse array of products including antimicrobials, inks, cosmetics, textiles and food contact materials. There is therefore a need to assess the toxicit...

Authors: Victor C. Ude, David M. Brown, Luca Viale, Nilesh Kanase, Vicki Stone and Helinor J. Johnston

Prenatal tobacco smoke exposure predisposes offspring mice to exacerbated allergic airway inflammation associated with altered innate effector function

Epidemiological studies suggest that prenatal and early life environmental exposures have adverse effects on pulmonary function and are important contributors in the development of childhood asthma and allergi...

Authors: Maria Ferrini, Sophia Carvalho, Yoon Hee Cho, Britten Postma, Lucas Miranda Marques, Kent Pinkerton, Kevan Roberts and Zeina Jaffar

Composition, Respirable Fraction and Dissolution Rate of 24 Stone Wool MMVF with their Binder

Man-made vitreous fibres (MMVF) are produced on a large scale for thermal insulation purposes. After extensive studies of fibre effects in the 1980ies and 1990ies, the composition of MMVF was modified to reduc...

Authors: Wendel Wohlleben, Hubert Waindok, Björn Daumann, Kai Werle, Melanie Drum and Heiko Egenolf

Comparison between micro- and nanosized copper oxide and water soluble copper chloride: interrelationship between intracellular copper concentrations, oxidative stress and DNA damage response in human lung cells

Nano- and microscale copper oxide particles (CuO NP, CuO MP) are applied for manifold purposes, enhancing exposure and thus the potential risk of adverse health effects. Based on the pronounced in vitro cytoto...

Authors: Bettina Maria Strauch, Rebecca Katharina Niemand, Nicola Lisa Winkelbeiner and Andrea Hartwig

Multi-walled carbon nanotubes-induced alterations in microRNA let-7 and its targets activate a protection mechanism by conferring a developmental timing control

Multi-walled carbon nanotubes (MWCNTs) have been produced and applied for diverse purposes. MWCNTs can potentially cause the adverse effects on organisms. MicroRNA let-7 and its targets of HBL-1 and LIN-41 play a...

Authors: Li Zhao, Hanxiao Wan, Qizhan Liu and Dayong Wang

STAT1-dependent and -independent pulmonary allergic and fibrogenic responses in mice after exposure to tangled versus rod-like multi-walled carbon nanotubes

Pulmonary toxicity of multi-walled carbon nanotubes (MWCNTs) is influenced by physicochemical characteristics and genetic susceptibility. We hypothesized that contrasting rigidities of tangled (t) versus rod-l...

Authors: Katherine S. Duke, Alexia J. Taylor-Just, Mark D. Ihrie, Kelly A. Shipkowski, Elizabeth A. Thompson, Erinn C. Dandley, Gregory N. Parsons and James C. Bonner

Evaluating the potential of gold, silver, and silica nanoparticles to saturate mononuclear phagocytic system tissues under repeat dosing conditions

As nanoparticles (NPs) become more prevalent in the pharmaceutical industry, questions have arisen from both industry and regulatory stakeholders about the long term effects of these materials. This study was ...

Authors: James L. Weaver, Grainne A. Tobin, Taylor Ingle, Simona Bancos, David Stevens, Rodney Rouse, Kristina E. Howard, David Goodwin, Alan Knapton, Xiaohong Li, Katherine Shea, Sharron Stewart, Lin Xu, Peter L. Goering, Qin Zhang, Paul C. Howard…

A combined experimental and numerical study on upper airway dosimetry of inhaled nanoparticles from an electrical discharge machine shop

Exposure to nanoparticles in the workplace is a health concern to occupational workers with increased risk of developing respiratory, cardiovascular, and neurological disorders. Based on animal inhalation stud...

Authors: Lin Tian, Yidan Shang, Rui Chen, Ru Bai, Chunying Chen, Kiao Inthavong and Jiyuan Tu

Effects from a 90-day inhalation toxicity study with cerium oxide and barium sulfate nanoparticles in rats

Nanomaterials like cerium oxide and barium sulfate are frequently processed in industrial and consumer products and exposure of humans and other organisms is likely. Generally less information is given on heal...

Authors: Daniela Schwotzer, Heinrich Ernst, Dirk Schaudien, Heiko Kock, Gerhard Pohlmann, Clemens Dasenbrock and Otto Creutzenberg

Mechanistic understanding of nanoparticles’ interactions with extracellular matrix: the cell and immune system

Extracellular matrix (ECM) is an extraordinarily complex and unique meshwork composed of structural proteins and glycosaminoglycans. The ECM provides essential physical scaffolding for the cellular constituent...

Authors: Ayse Basak Engin, Dragana Nikitovic, Monica Neagu, Petra Henrich-Noack, Anca Oana Docea, Mikhail I. Shtilman, Kirill Golokhvast and Aristidis M. Tsatsakis

MyD88-dependent pro-interleukin-1β induction in dendritic cells exposed to food-grade synthetic amorphous silica

Dendritic cells (DCs) are specialized first-line sensors of foreign materials invading the organism. These sentinel cells rely on pattern recognition receptors such as Nod-like or Toll-like receptors (TLRs) to...

Authors: Hans Christian Winkler, Julian Kornprobst, Peter Wick, Lea Maria von Moos, Ioannis Trantakis, Elisabeth Maria Schraner, Barbara Bathke, Hubertus Hochrein, Mark Suter and Hanspeter Naegeli

Programming of mouse obesity by maternal exposure to concentrated ambient fine particles

Many diseases including obesity may originate through alterations in the early-life environment that interrupts fetal development. Increasing evidence has shown that exposure to ambient fine particles (PM_2.5) is ...

Authors: Minjie Chen, Xiaoke Wang, Ziying Hu, Huifen Zhou, Yanyi Xu, Lianglin Qiu, Xiaobo Qin, Yuhao Zhang and Zhekang Ying

Early pulmonary response is critical for extra-pulmonary carbon nanoparticle mediated effects: comparison of inhalation versus intra-arterial infusion exposures in mice

The death toll associated with inhaled ambient particulate matter (PM) is attributed mainly to cardio-vascular rather than pulmonary effects. However, it is unclear whether the key event for cardiovascular imp...

Authors: Koustav Ganguly, Dariusch Ettehadieh, Swapna Upadhyay, Shinji Takenaka, Thure Adler, Erwin Karg, Fritz Krombach, Wolfgang G. Kreyling, Holger Schulz, Otmar Schmid and Tobias Stoeger

Osteopontin enhances multi-walled carbon nanotube-triggered lung fibrosis by promoting TGF-β1 activation and myofibroblast differentiation

Carbon nanotubes (CNTs) have been used in a variety of applications because of their unique properties and functions. However, many CNTs have been shown to induce lung fibrosis in experimental animals with som...

Authors: Jie Dong and Qiang Ma

Airway exposure to multi-walled carbon nanotubes disrupts the female reproductive cycle without affecting pregnancy outcomes in mice

The use of multiwalled carbon nanotubes (MWCNT) is increasing due to a growing use in a variety of products across several industries. Thus, occupational exposure is also of increasing concern, particularly si...

Authors: H. K. L. Johansson, J. S. Hansen, B. Elfving, S. P. Lund, Z. O. Kyjovska, S. Loft, K. K. Barfod, P. Jackson, U. Vogel and K. S. Hougaard

Inhaled ambient-level traffic-derived particulates decrease cardiac vagal influence and baroreflexes and increase arrhythmia in a rat model of metabolic syndrome

Epidemiological studies have linked exposures to ambient fine particulate matter (PM_2.5) and traffic with autonomic nervous system imbalance (ANS) and cardiac pathophysiology, especially in individuals with preex...

Authors: Alex P. Carll, Samir M. Crespo, Mauricio S. Filho, Douglas H. Zati, Brent A. Coull, Edgar A. Diaz, Rodrigo D. Raimundo, Thomas N. G. Jaeger, Ana Laura Ricci-Vitor, Vasileios Papapostolou, Joy E. Lawrence, David M. Garner, Brigham S. Perry, Jack R. Harkema and John J. Godleski

Impaired lysosomal activity mediated autophagic flux disruption by graphite carbon nanofibers induce apoptosis in human lung epithelial cells through oxidative stress and energetic impairment

Graphite carbon nanofibers (GCNF) have emerged as a potential alternative of carbon nanotubes (CNT) for various biomedical applications due to their superior physico-chemical properties. Therefore in-depth und...

Authors: Sandeep Mittal, Pradeep Kumar Sharma, Ratnakar Tiwari, Raja Gopal Rayavarapu, Jai Shankar, Lalit Kumar Singh Chauhan and Alok Kumar Pandey

Erratum to: In Memorian Thomas W. Hesterberg, PhD MBA (1950–2016)

Authors: David B. Warheit

Reduction of pulmonary toxicity of metal oxide nanoparticles by phosphonate-based surface passivation

The wide application of engineered nanoparticles has induced increasing exposure to humans and environment, which led to substantial concerns on their biosafety. Some metal oxides (MOx) have shown severe toxic...

Authors: Xiaoming Cai, Anson Lee, Zhaoxia Ji, Cynthia Huang, Chong Hyun Chang, Xiang Wang, Yu-Pei Liao, Tian Xia and Ruibin Li

In vivo quantification of quantum dot systemic transport in C57BL/6 hairless mice following skin application post-ultraviolet radiation

Previous work has demonstrated size, surface charge and skin barrier dependent penetration of nanoparticles into the viable layers of mouse skin. The goal of this work was to characterize the tissue distributi...

Authors: Samreen Jatana, Brian C. Palmer, Sarah J. Phelan, Robert Gelein and Lisa A. DeLouise

SiO₂ and TiO₂ nanoparticles synergistically trigger macrophage inflammatory responses

Silicon dioxide (SiO₂) nanoparticles (NPs) and titanium dioxide (TiO₂) NPs are the most widely used inorganic nanomaterials. Although the individual toxicities of SiO₂ and TiO₂ NPs have been extensively studied, ...

Authors: Misato Tsugita, Nobuyuki Morimoto and Masafumi Nakayama

Deposition efficiency of inhaled particles (15-5000 nm) related to breathing pattern and lung function: an experimental study in healthy children and adults

Exposure to airborne particles has a major impact on global health. The probability of these particles to deposit in the respiratory tract during breathing is essential for their toxic effects. Observations ha...

Authors: Jenny Rissler, Anders Gudmundsson, Hanna Nicklasson, Erik Swietlicki, Per Wollmer and Jakob Löndahl

In Memorian Thomas W. Hesterberg, PhD MBA (1950 – 2016)

Authors: David B. Warheit

Biological effects of carbon black nanoparticles are changed by surface coating with polycyclic aromatic hydrocarbons

Carbon black nanoparticles (CBNP) are mainly composed of carbon, with a small amount of other elements (including hydrogen and oxygen). The toxicity of CBNP has been attributed to their large surface area, and...

Authors: Karina Lindner, Michael Ströbele, Sandra Schlick, Sina Webering, André Jenckel, Johannes Kopf, Olga Danov, Katherina Sewald, Christian Buj, Otto Creutzenberg, Thomas Tillmann, Gerhard Pohlmann, Heinrich Ernst, Christina Ziemann, Gereon Hüttmann, Holger Heine…

Endothelial responses of the alveolar barrier in vitro in a dose-controlled exposure to diesel exhaust particulate matter

During the last 250 years, the level of exposure to combustion-derived particles raised dramatically in western countries, leading to increased particle loads in the ambient air. Among the environmental partic...

Authors: Sebastian G. Klein, Sébastien Cambier, Jennifer Hennen, Sylvain Legay, Tommaso Serchi, Inge Nelissen, Aline Chary, Elisa Moschini, Andreas Krein, Brunhilde Blömeke and Arno C. Gutleb

Particulate Air pollution mediated effects on insulin resistance in mice are independent of CCR2

Chronic exposure to fine ambient particulate matter (PM_2.5) induces insulin resistance. CC-chemokine receptor 2 (CCR2) appears to be essential in diet-induced insulin resistance implicating an important role for ...

Authors: Cuiqing Liu, Xiaohua Xu, Yuntao Bai, Jixin Zhong, Aixia Wang, Lixian Sun, Liya Kong, Zhekang Ying, Qinghua Sun and Sanjay Rajagopalan

Slow lung clearance and limited translocation of four sizes of inhaled iridium nanoparticles

Concerns have been expressed that inhaled nanoparticles may behave differently to larger particles in terms of lung clearance and translocation, with potential implications for their toxicity. Studies undertak...

Authors: Alison Buckley, James Warren, Alan Hodgson, Tim Marczylo, Konstantin Ignatyev, Chang Guo and Rachel Smith