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The orderly progression of the cell cycle depends on the activation of Cdk protein by binding to its cyclin partner. However, the cell cycle must be restricted when undergoing abnormal changes. Most cancers correlate to the deregulated cell cycle, and since Cdks are a central component of the cell cycle, Cdk inhibitors are extensively studied to develop anticancer agents. For instance, cyclin D associates with several Cdks, such as Cdk 4/6, to form an active complex. The cyclin D-Cdk4/6 complex...
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p27 and leukemia: cell cycle and beyond.

Anita Roy1, Subrata Banerjee

  • 1Biophysics and Structural Genomics Division, Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata, West Bengal, India.

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|September 11, 2014
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Summary
This summary is machine-generated.

Cell cycle regulation is vital for life, controlled by cyclin-dependent kinases (CDKs) and inhibitors (CDKIs). This review focuses on p27

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Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • Cell division underpins organism development and requires precise cell cycle regulation.
  • Cyclins and cyclin-dependent kinases (CDKs) are key regulators of the cell cycle.
  • Cyclin-dependent kinase inhibitors (CDKIs) further modulate CDK-cyclin complex activity.

Purpose of the Study:

  • To review the known functions of the cyclin-dependent kinase inhibitor p27.
  • To highlight the emerging roles of p27 in the development and progression of leukemia.

Main Methods:

  • Literature review of studies on p27 function and regulation.
  • Analysis of research on CDKIs, specifically the cip/kip family.
  • Examination of data linking p27 to leukemia pathogenesis.

Main Results:

  • CDKIs, including the cip/kip family (p21, p27, p57), are crucial for regulating the G1 to S phase transition.
  • p27 plays a significant role in controlling cell cycle progression.
  • Emerging evidence indicates p27 has critical, though not fully understood, roles in leukemia.

Conclusions:

  • p27 is a key regulator of the cell cycle, particularly at the G1/S checkpoint.
  • Understanding p27's functions is essential for comprehending normal development and disease.
  • Further research into p27's role in leukemia may reveal new therapeutic targets.