Future of Personalized Therapy Targeting Aberrant Signaling Pathways in Multiple Myeloma

Faiz Anwer1, Kevin Mathew Gee2, Ahmad Iftikhar3

  • 1Taussig Cancer Center, Department of Hematology, Medical Oncology, Cleveland Clinic, Cleveland, OH.

Insights

Understanding genetic mutations and signaling pathways in multiple myeloma (MM) can guide targeted therapies. Identifying these molecular drivers is key to developing personalized treatments and overcoming drug resistance in MM patients.

Area of Science:

  • Oncology
  • Genetics
  • Molecular Biology

Background:

  • Multiple myeloma (MM) is a complex hematologic malignancy characterized by genetic heterogeneity.
  • Aberrant signaling pathways and specific mutations drive MM progression and treatment resistance.

Purpose of the Study:

  • To identify key mutations and aberrant signaling pathways in multiple myeloma.
  • To explore their potential as targets for personalized and effective MM therapies.

Main Methods:

  • Review of current literature on genetic alterations and signaling pathways in MM.
  • Analysis of targeted therapies based on identified molecular drivers.

Main Results:

  • Key pathways implicated include RAS, BCL-2, JAK2, NF-κB, PI3K/mTOR, and MYC.
  • Specific mutations (e.g., RAS, BRAF) and translocations (e.g., t(11:14), t(4;14)) are linked to pathway activation.
  • Targeted agents like vemurafenib, cobimetinib, venetoclax, ruxolitinib, bortezomib, and BEZ235 show potential.
  • Histone deacetylase inhibitors, FGFR3 inhibitors (AZD4547), and BET protein antagonists are also relevant.

Conclusions:

  • Understanding MM's genetic complexity and signaling pathways is crucial for precision medicine.
  • Targeting specific molecular alterations offers a promising strategy for improving MM treatment outcomes and overcoming resistance.

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