Ultrasmall superparamagnetic iron oxide nanoparticles acutely promote thrombosis and cardiac oxidative stress and DNA damage in mice

Abderrahim Nemmar, Sumaya Beegam, Priya Yuvaraju, Javed Yasin, Saeed Tariq, Samir Attoub, Badreldin H. Ali

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Background: Ultrasmall superparamagnetic iron oxide nanoparticles (USPIO) are being developed for several biomedical applications including drug delivery and imaging. However, little is known about their possible adverse effects on thrombosis and cardiac oxidative and DNA damage. Methods: Presently, we investigated the acute (1 h) effect of intravenously (i.v.) administered USPIO in mice (0.4, 2 and 10 μg/kg). Diesel exhaust particles (DEP; 400 μg/kg) were used as positive control. Results: USPIO induced a prothrombotic effect in pial arterioles and venules in vivo and increased the plasma plasminogen activator inhibitor-1 (PAI-1). Both thrombogenicity and PAI-1 concentration were increased by DEP. The direct addition of USPIO (0.008, 0.04 and 0.2 μg/ml) to untreated mouse blood dose-dependently induced in vitro platelet aggregation. USPIO caused a shortening of activated partial thromboplastin time (aPTT) and prothrombin time (PT). Similarly, DEP administration (1 μg/ml) triggered platelet aggregation in vitro in whole blood. DEP also reduced PT and aPTT. The plasma levels of creatine phosphokinase-MB isoenzyme (CK-MB), lactate dehydrogenase (LDH) and troponin-I were increased by USPIO. DEP induced a significant increase of CK-MB, LDH and troponin I levels in plasma. The cardiac levels of markers of oxidative stress including lipid peroxidation, reactive oxygen species and superoxide dismutase activity were increased by USPIO. Moreover, USPIO caused DNA damage in the heart. Likewise, DEP increased the markers of oxidative stress and induced DNA damage in the heart. Conclusion: We conclude that acute i.v. administration of USPIO caused thrombosis and cardiac oxidative stress and DNA damage. These findings provide novel insight into the pathophysiological effects of USPIO on cardiovascular homeostasis, and highlight the need for a thorough evaluation of their toxicity.

Original languageEnglish
Article number22
JournalParticle and Fibre Toxicology
Volume13
Issue number1
DOIs
Publication statusPublished - 2016

Fingerprint

Oxidative stress
Nanoparticles
DNA Damage
Oxidative Stress
Thrombosis
DNA
Troponin I
Partial Thromboplastin Time
Plasminogen Activator Inhibitor 1
Prothrombin Time
Thromboplastin
Prothrombin
Creatine Kinase
Platelets
Platelet Aggregation
Plasmas
L-Lactate Dehydrogenase
Isoenzymes
Blood
Agglomeration

Keywords

  • Comet assay
  • Oxidative stress
  • Thrombosis
  • Toxicity
  • Ultrasmall superparamagnetic iron oxide nanoparticles

ASJC Scopus subject areas

  • Toxicology
  • Health, Toxicology and Mutagenesis

Cite this

Ultrasmall superparamagnetic iron oxide nanoparticles acutely promote thrombosis and cardiac oxidative stress and DNA damage in mice. / Nemmar, Abderrahim; Beegam, Sumaya; Yuvaraju, Priya; Yasin, Javed; Tariq, Saeed; Attoub, Samir; Ali, Badreldin H.

In: Particle and Fibre Toxicology, Vol. 13, No. 1, 22, 2016.

Research output: Contribution to journalArticle

Nemmar, Abderrahim ; Beegam, Sumaya ; Yuvaraju, Priya ; Yasin, Javed ; Tariq, Saeed ; Attoub, Samir ; Ali, Badreldin H. / Ultrasmall superparamagnetic iron oxide nanoparticles acutely promote thrombosis and cardiac oxidative stress and DNA damage in mice. In: Particle and Fibre Toxicology. 2016 ; Vol. 13, No. 1.
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AU - Nemmar, Abderrahim

AU - Beegam, Sumaya

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AU - Yasin, Javed

AU - Tariq, Saeed

AU - Attoub, Samir

AU - Ali, Badreldin H.

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