The ALK gene, an attractive target for inhibitor development

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Carmen J Tartari1, Leonardo Scapozza, Carlo Gambacorti-Passerini

  • 1Department of Clinical Medicine, University of Milano-Bicocca, Italy. carlo.gambacorti@unimib.it

Current Topics in Medicinal Chemistry
|April 26, 2011
PubMed

Insights

Anaplastic Lymphoma Kinase (ALK) is crucial in neural development and tumors. Small molecule inhibitors targeting ALK kinase activity are being developed to combat cancers driven by ALK fusion proteins.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Anaplastic Lymphoma Kinase (ALK) functions as a receptor tyrosine kinase in neural development.
  • ALK is aberrantly expressed in various tumors, often due to chromosomal rearrangements creating oncogenic fusion proteins.
  • These fusion proteins feature the ALK kinase domain, leading to constitutive activation and driving tumorigenesis.

Purpose of the Study:

  • To elucidate the normal function of the ALK receptor.
  • To detail the role of ALK and its fusion proteins in tumorigenesis.
  • To provide an updated overview of small molecule inhibitors targeting ALK kinase activity.

Main Methods:

  • Literature review and synthesis of existing research on ALK.
  • Analysis of structural and functional data of the ALK kinase domain.
  • Compilation of information on ALK fusion proteins and their inhibitors.

Main Results:

  • ALK plays a role in neural development and its dysregulation contributes to cancer.
  • Chromosomal rearrangements lead to constitutively active ALK fusion proteins.
  • Development of small molecule inhibitors targeting ALK kinase activity is a key therapeutic strategy.

Conclusions:

  • Understanding ALK's normal function and oncogenic roles is critical for cancer therapy.
  • ALK fusion proteins represent important therapeutic targets in various cancers.
  • Ongoing development of ALK inhibitors offers promising treatment avenues for ALK-driven malignancies.

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