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Isocitrate dehydrogenase mutations in chondrosarcoma: the crossroads between cellular metabolism and oncogenesis
Georges Azzi1, Michel Velez, Maria C Mathias-Machado
1aDivision of Hematology/Oncology, Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine, Miami, Florida, USA bEscolaBahiana de Medicina e SaudePublica, Brotas, Salvador, BA, Brazil.
Purpose Of Review:
This article reviews the most recent developments and implications in regard to isocitrate dehydrogenase mutations in chondrosarcoma, a disease in which currently available systemic therapies have proven inefficacious, with an emphasis on how disruption in normal cellular metabolism plays a role in oncogenesis.
Recent Findings:
The development of acquired isocitrate dehydrogenase-1/isocitrate dehydrogenase-2 mutations has been described in multiple tumors and more recently in chondrosarcomas. The impact of these mutations has been the focus of multiple research efforts during the last years, allowing us to better understand the impact of the mutation, including its interaction with other proteins, changes in expression of genes involved in tumor genesis, the oncogenic potential of 2-hydroxyglutarate, the impact on cellular proliferation and differentiation, and the influence on the epigenetic state of cells owing to changes in DNA and histone methylation patterns. New compounds targeting the mutation have been developed.
Summary:
This mutation is the first of its kind described in chondrosarcoma, serving as an identifying marker of chondroid differentiation, and becoming the first molecular target with potential anticancer effect, translating into the development of therapies targeting these mutations currently being tested further in preclinical models and clinical trials.
Insights
Isocitrate dehydrogenase (IDH) mutations are newly identified in chondrosarcoma, offering a novel molecular target for this cancer. Therapies targeting these IDH mutations are now in development for this challenging disease.
Area of Science:
- Oncology
- Molecular Biology
- Cancer Metabolism
Background:
- Chondrosarcoma is a bone cancer with limited effective systemic therapies.
- Understanding the molecular underpinnings of chondrosarcoma is crucial for developing new treatments.
Purpose of the Study:
- To review recent developments in isocitrate dehydrogenase (IDH) mutations in chondrosarcoma.
- To explore the role of metabolic disruption in chondrosarcoma oncogenesis.
- To highlight the implications of IDH mutations as a therapeutic target.
Main Methods:
- Review of recent scientific literature on IDH mutations in chondrosarcoma.
- Analysis of studies investigating the molecular mechanisms of IDH mutations.
- Examination of preclinical and clinical data on targeted therapies.
Main Results:
- Isocitrate dehydrogenase-1/isocitrate dehydrogenase-2 (IDH1/IDH2) mutations are identified in chondrosarcomas.
- These mutations impact cellular metabolism, gene expression, and epigenetic patterns.
- 2-hydroxyglutarate is implicated in the oncogenic potential of these mutations.
- New therapeutic compounds targeting IDH mutations have been developed.
Conclusions:
- IDH mutations represent a novel biomarker for chondroid differentiation in chondrosarcoma.
- These mutations provide the first molecular target for potential anticancer therapies in chondrosarcoma.
- Targeted therapies for IDH-mutated chondrosarcoma are advancing through preclinical and clinical trials.
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