Evaluation of cellular stress responses in magnetomotive ultrasound

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Sammanfattning

Early and accurate diagnoses are important for successful cancer treatment. Lymph node involvement is often critical, and magnetomotive ultrasound (MMUS) has been proposed for its detection and characterization. MMUS relies on a magnetic contrast agent, for example, iron oxide nanoparticles, delivered to the tissue of interest, magnetically set in motion and detected using ultrasound. The magneto-mechanical interaction has not previously been evaluated on a cellular level. Here we demonstrate uptake and dose-dependent retention of magnetic nanoparticles in two human adenocarcinoma cell lines, with <10% cytotoxicity which did not increase following magnetic excitation. Further, the oxidative stress levels were not affected by magnetic particles or force. Thus, we found no evidence of adverse effects from the magneto-mechanical interactions under these conditions.

Originalspråkengelska
Sidor (från-till)1013-1025
Antal sidor13
TidskriftNanomedicine
Volym17
Nummer14
DOI
StatusPublished - 2022 juni

Ämnesklassifikation (UKÄ)

  • Radiologi och bildbehandling

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