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[Molecule targeted therapy for hematological malignancies]
1Dept. of Infectious Diseases, Nagoya University School of Medicine.
Abstract:
Over the past 20 years, there has been a marked increase in our knowledge of the molecular mechanisms of human hematological malignancies. The development of mechanism-based therapy is expected to extend the frontiers of chemotherapy. All-trans retinoic acid (ATRA) therapy for acute promyelocytic leukemia (APL), initially established as differentiation therapy, has been recognized to target PML-RAR alpha protein, an APL-specific chimeric transcriptional factor, and to modulate the function. Recently, encouraging results have emerged in the treatment of chronic myeloid leukemia with a tyrosine-kinase inhibitor. In addition to the oncoprotein-targeted therapy, the clinical effectiveness of humanized monoclonal antibodies to differentiation antigens has been recognized. Molecule-targeted therapy is reviewed herein.
Insights
Molecular targeted therapy has advanced cancer treatment, offering new hope for hematological malignancies. This review covers targeted drugs like all-trans retinoic acid for acute promyelocytic leukemia and tyrosine-kinase inhibitors for chronic myeloid leukemia.
Area of Science:
- Hematology
- Molecular Biology
- Oncology
Context:
- Significant advancements in understanding molecular mechanisms of hematological malignancies over the last two decades.
- Emergence of mechanism-based therapies to enhance chemotherapy effectiveness.
- Growing knowledge of specific molecular targets in leukemia subtypes.
Purpose:
- To review the current landscape of molecule-targeted therapy for hematological malignancies.
- To highlight key examples of successful targeted treatments.
- To discuss the impact of molecular insights on therapeutic strategies.
Summary:
- All-trans retinoic acid (ATRA) targets the PML-RAR alpha oncoprotein in acute promyelocytic leukemia (APL), demonstrating differentiation therapy.
- Tyrosine-kinase inhibitors have shown promising results in treating chronic myeloid leukemia.
- Humanized monoclonal antibodies targeting differentiation antigens are recognized for their clinical effectiveness.
Impact:
- Molecule-targeted therapy represents a paradigm shift in cancer treatment, moving beyond traditional chemotherapy.
- These targeted approaches offer improved efficacy and potentially reduced toxicity for patients with hematological malignancies.
- Continued research into molecular mechanisms promises further development of novel, mechanism-based therapies.