Related Experiment Videos
Drug resistance and drug development in multiple myeloma
1College of Medicine, University of Arizona Health Science Center, PO Box 245017, Tucson, AZ 85724, USA.
Abstract:
Circumvention of drug resistance in multiple myeloma is a major obstacle to improving clinical outcomes for myeloma patients. Identification of several mechanisms of acquired drug resistance has led to the development of chemosensitizing agents that counter specific drug resistance mechanisms. Initial successes in therapy using chemosensitizers often culminate in relapse because of the multifactorial nature of acquired multidrug resistance. Therefore, it may be important to design therapeutic strategies that focus on mechanisms that allow for cell survival following initial treatments, before the acquisition of multidrug resistance. It has been proposed that extracellular effectors such as cytokines, matrix components, and adjacent cells may provide a sanctuary for cancer cells by preventing stress-induced cell death. This review focuses on research implicating the cancer cell environment as a particularly important determinant in the emergence of drug resistance.
Insights
Overcoming drug resistance in multiple myeloma is crucial. This review highlights how the cancer cell environment, including cytokines and adjacent cells, promotes survival and contributes to treatment resistance.
Area of Science:
- Oncology
- Cancer Biology
- Pharmacology
Background:
- Drug resistance in multiple myeloma significantly hinders patient treatment outcomes.
- Acquired multidrug resistance is multifactorial, often leading to relapse after initial chemosensitizer therapy.
- Existing strategies focus on specific resistance mechanisms, but a broader approach is needed.
Purpose of the Study:
- To review research on the role of the tumor microenvironment in the development of drug resistance.
- To emphasize the importance of targeting cell survival mechanisms before multidrug resistance is fully acquired.
- To explore how extracellular factors contribute to cancer cell sanctuary and treatment failure.
Main Methods:
- Literature review of studies investigating cancer cell environment and drug resistance.
- Analysis of research implicating cytokines, matrix components, and cell-cell interactions.
- Synthesis of findings related to stress-induced cell death prevention.
Main Results:
- The cancer cell environment plays a critical role in the emergence of drug resistance.
- Extracellular factors like cytokines and adjacent cells can create a sanctuary for cancer cells.
- These factors prevent stress-induced cell death, allowing cancer cell survival during treatment.
Conclusions:
- Therapeutic strategies should consider the cancer cell environment to overcome drug resistance.
- Targeting mechanisms that promote cell survival in the tumor microenvironment is essential.
- A deeper understanding of the tumor microenvironment's role is key to improving multiple myeloma treatment.