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Published in: Journal of Cancer Research and Clinical Oncology 7/2020

01-07-2020 | osteosarcoma | Original Article – Cancer Research

Afatinib is active in osteosarcoma in osteosarcoma cell lines

Authors: Marlid Cruz-Ramos, Yessica Zamudio-Cuevas, Daniel Medina-Luna, Karina Martínez-Flores, Gabriela Martínez-Nava, Javier Fernández-Torres, Alberto López-Reyes, Flavio Solca

Published in: Journal of Cancer Research and Clinical Oncology | Issue 7/2020

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Abstract

Purpose

Osteosarcoma is the most common bone tumor, mainly affecting adolescents and young adults, and metastatic disease has poor outcomes with a dismal overall survival. Currently, chemotherapy is the standard of care with limited results, finding that new therapies could improve these outcomes. Preclinical and clinical studies have suggested a possible important role of ErbB pathway aberrations in osteosarcoma etiology. The present study shows the effect of afatinib, an irreversible ErbB family blocker in osteosarcoma cell lines.

Methods

Within a panel of human osteosarcoma cell lines, we addressed cell viability assay using afatinib at increasing concentrations. Motility was measured in wound-healing assays and invasion capacity was assessed in Transwell chamber assays. Finally, to monitor ErbB pathway modulation by afatinib and related compounds, we used Western blot analyses.

Results

Cell viability inhibition, as well as a reduction of motility and migration of osteosarcoma cell line were observed after treatment with afatinib. Likewise, in the HOS cell line, afatinib decreased phosphorylation of key components in the ErbB signaling pathway.

Conclusions

Afatinib shows relevant antitumor effect in several osteosarcoma cell lines, as it causes a significant impact on cell viability, motility, and migration with a significant decrease in the activation of ErbB pathway activity.
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Literature
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Metadata
Title
Afatinib is active in osteosarcoma in osteosarcoma cell lines
Authors
Marlid Cruz-Ramos
Yessica Zamudio-Cuevas
Daniel Medina-Luna
Karina Martínez-Flores
Gabriela Martínez-Nava
Javier Fernández-Torres
Alberto López-Reyes
Flavio Solca
Publication date
01-07-2020
Publisher
Springer Berlin Heidelberg
Published in
Journal of Cancer Research and Clinical Oncology / Issue 7/2020
Print ISSN: 0171-5216
Electronic ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-020-03220-y

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