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Real-Time Monitoring of Aurora kinase A Activation using Conformational FRET Biosensors in Live Cells
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Aurora kinase inhibitors--rising stars in cancer therapeutics?

Altaf A Dar1, Laura W Goff, Shahana Majid

  • 1Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, 1255 Light Hall, 2215 Garland Avenue, Nashville, TN 37232, USA.

Molecular Cancer Therapeutics
|February 4, 2010
PubMed

Insights

Standard cancer treatments are toxic and often ineffective. Aurora kinases (A, B, and C) are key regulators of cell division and signaling, making them promising targets for novel, less toxic cancer therapies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Conventional cancer therapies like cytotoxics and radiation exhibit significant toxicity and limited efficacy in many patients.
  • Molecular profiling of cancer genomes reveals complex genomic and epigenomic alterations, driving the development of targeted therapies.
  • Identifying effective molecular targets that regulate critical cellular functions and signaling networks is crucial for advancing cancer treatment.

Purpose of the Study:

  • To highlight the Aurora kinase family (A, B, and C) as critical regulators of mitosis and signaling pathways.
  • To underscore the role of Aurora kinase alterations in mitotic errors and chromosomal aneuploidy in cancer.
  • To establish Aurora kinases as attractive targets for novel cancer therapies.

Main Methods:

  • Review of molecular analysis of cancer genomes.
  • Examination of studies showing amplification and/or overexpression of Aurora kinase A and B.
  • Assessment of ongoing clinical trials and bench-based research on Aurora kinase inhibitors.

Main Results:

  • Aurora kinases (A, B, and C) are key regulators of mitosis and multiple signaling pathways.
  • Alterations in Aurora kinase signaling are linked to mitotic errors and aneuploidy in cancer cells.
  • Aurora kinase A and B are frequently amplified or overexpressed in various hematologic malignancies and solid tumors.

Conclusions:

  • Aurora kinases represent a convergence point for multiple signaling networks and are vital for cell cycle regulation.
  • The frequent alterations and critical role in cancer progression make Aurora kinases highly attractive therapeutic targets.
  • Ongoing research and clinical trials are actively exploring the potential of Aurora kinase-targeted therapies for improved cancer treatment outcomes.

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