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Updated: May 8, 2026

Establishment of a Human Multiple Myeloma Xenograft Model in the Chicken to Study Tumor Growth, Invasion and Angiogenesis
Published on: May 1, 2015
DNA repair pathways in human multiple myeloma: role in oncogenesis and potential targets for treatment
Claire Gourzones-Dmitriev1, Alboukadel Kassambara, Surinder Sahota
1CHU Montpellier; Institute of Research in Biotherapy; Montpellier, France; INSERM; U1040; Montpellier, France.
Abstract:
Every day, cells are faced with thousands of DNA lesions, which have to be repaired to preserve cell survival and function. DNA repair is more or less accurate and could result in genomic instability and cancer. We review here the current knowledge of the links between molecular features, treatment, and DNA repair in multiple myeloma (MM), a disease characterized by the accumulation of malignant plasma cells producing a monoclonal immunoglobulin. Genetic instability and abnormalities are two hallmarks of MM cells and aberrant DNA repair pathways are involved in disease onset, primary translocations in MM cells, and MM progression. Two major drugs currently used to treat MM, the alkylating agent Melphalan and the proteasome inhibitor Bortezomib act directly on DNA repair pathways, which are involved in response to treatment and resistance. A better knowledge of DNA repair pathways in MM could help to target them, thus improving disease treatment.
Insights
DNA repair is crucial for cell survival, but errors can lead to cancer. This review explores DNA repair in multiple myeloma, linking it to disease progression and treatment response.
Area of Science:
- Molecular Biology
- Oncology
- Genetics
Background:
- Cells constantly face DNA damage, necessitating repair mechanisms for survival.
- DNA repair accuracy is vital; inaccuracies can cause genomic instability and cancer.
- Multiple myeloma (MM) is a cancer of malignant plasma cells, characterized by genetic instability.
Purpose of the Study:
- To review the current understanding of DNA repair in multiple myeloma.
- To explore the links between molecular features, treatment, and DNA repair in MM.
- To identify potential therapeutic targets within DNA repair pathways.
Main Methods:
- Literature review of current knowledge on DNA repair in multiple myeloma.
- Analysis of the role of DNA repair in MM pathogenesis and progression.
- Examination of the impact of MM treatments on DNA repair pathways.
Main Results:
- Aberrant DNA repair pathways are implicated in the onset, translocations, and progression of MM.
- Key MM drugs, Melphalan and Bortezomib, directly affect DNA repair mechanisms.
- DNA repair pathways influence both treatment response and resistance in MM.
Conclusions:
- Understanding DNA repair in MM is critical for improving disease treatment.
- Targeting specific DNA repair pathways holds promise for novel MM therapies.
- Aberrant DNA repair is a key feature contributing to MM development and progression.
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