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Updated: Aug 17, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
Published on: April 12, 2019
HER-2 involvement in osteosarcoma
Jonathan Gill1, David Geller, Richard Gorlick
1Department of Pediatrics, Montefiore Medical Center, The Children's Hospital at Montefiore, 3415 Bainbridge Avenue, Rosenthal 3rd Floor, Bronx, NY, USA.
Abstract:
The major goals of translational research in osteosarcoma entail the identification of prognostic factors and therapeutic targets. Given the relevance of epidermal growth factor receptor pathway to breast cancer and the finding that HER-2 was expressed in a proportion of osteosarcoma, it was reasonable to investigate this pathway further. Investigations of HER-2 in osteosarcoma have led to the publication of numerous conflicting reports with regard to the level and prognostic value of HER-2 expression, which are reviewed and discussed. Numerous lessons provided by this research experience are described. This pathway has also been explored as a therapeutic target with at least one study of trastuzumab for the treatment of osteosarcoma completed. Other studies utilizing alternative approaches to target the HER-2 receptor for the treatment of osteosarcoma have been considered.
Insights
Research on the epidermal growth factor receptor pathway in osteosarcoma, specifically HER-2, yielded conflicting results on its expression and prognostic value. This review discusses findings and therapeutic targeting strategies for osteosarcoma treatment.
Area of Science:
- Oncology
- Translational Research
- Molecular Biology
Background:
- The epidermal growth factor receptor (EGFR) pathway is crucial in various cancers.
- HER-2 expression has been observed in a subset of osteosarcoma cases.
- Previous research on HER-2 in osteosarcoma has produced inconsistent findings.
Purpose of the Study:
- To review and discuss the existing literature on HER-2 expression in osteosarcoma.
- To analyze the prognostic value of HER-2 in osteosarcoma.
- To explore therapeutic strategies targeting the HER-2 pathway in osteosarcoma.
Main Methods:
- Literature review and critical analysis of published studies on HER-2 in osteosarcoma.
- Discussion of conflicting reports regarding HER-2 expression levels and prognostic significance.
- Examination of therapeutic approaches targeting HER-2, including trastuzumab treatment.
Main Results:
- Conflicting reports exist regarding the level and prognostic value of HER-2 expression in osteosarcoma.
- The HER-2 pathway has been investigated as a potential therapeutic target.
- At least one clinical study using trastuzumab for osteosarcoma treatment has been completed.
Conclusions:
- Further research is needed to clarify the role of HER-2 in osteosarcoma.
- Targeting the HER-2 pathway represents a potential therapeutic avenue for osteosarcoma.
- Lessons learned from previous investigations can guide future translational research in osteosarcoma.
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