Molecular interrelationships in multidrug resistance (review)

Area of Science:

• Oncology
• Molecular Biology
• Genetics

Background:

• Multidrug resistance (MDR) is a primary cause of chemotherapy failure in cancer treatment.
• The interplay between oncogenes, tumor suppressor genes (like p53), and MDR is not fully elucidated.
• Understanding these genetic relationships is critical for advancing cancer therapy.

Purpose of the Study:

• To review the state of knowledge (as of 1993) on the relationship between oncogenes, tumor suppressor gene p53, and multidrug resistance.
• To explore how genes driving malignant transformation might influence MDR.
• To highlight the importance of genetic insights for rationalizing cancer treatment strategies.

Main Methods:

• Literature review of existing research up to 1993.
• Analysis of the potential roles of oncogene and p53 gene products in MDR.
• Synthesis of current understanding regarding genetic factors in cancer drug resistance.

Main Results:

• Gene products associated with malignant transformation and uncontrolled cell proliferation may activate genes contributing to multidrug resistance.
• The p53 tumor suppressor gene's status could influence MDR.
• A comprehensive understanding of these genetic interrelationships was still developing in 1993.

Conclusions:

• The genetic basis of multidrug resistance, involving oncogenes and tumor suppressor genes like p53, is a key area for cancer research.
• Further investigation into these genetic connections is essential for developing more effective cancer chemotherapy regimens.
• Rationalizing cancer treatment hinges on a deeper comprehension of the genetic factors underlying drug resistance.