Negative growth regulators of the cell cycle machinery and cancer

Man Zhang1, Huiling Yang

  • 1Department of Pathophysiology, Sun Yat-Sen University, Guangzhou, PR China.

Insights

Cell cycle regulators are key in cancer. This review highlights novel molecular targets for cell cycle inhibition, offering promising therapeutic strategies to control cancer cell proliferation and oncogenesis.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cancer Therapeutics

Background:

  • Cell cycle dysregulation is a hallmark of cancer, with regulators acting as oncogenes or tumor suppressors.
  • Aberrant cell cycle control provides a proliferative advantage to tumor cells.
  • Numerous molecular targets involved in cell cycle regulation have been patented for therapeutic intervention.

Purpose of the Study:

  • To review recent discoveries of molecular targets for cell cycle inhibition.
  • To evaluate these targets as potential therapeutic agents for cancer treatment.
  • To discuss strategies for controlling oncogenesis and their clinical applications.

Main Methods:

  • Literature review of recent scientific publications and patents.
  • Focus on molecular targets involved in cell cycle inhibition.
  • Analysis of therapeutic potential and clinical applications.

Main Results:

  • Identification of novel molecular targets critical for cell cycle control.
  • Evaluation of these targets for their efficacy in inhibiting cancer cell proliferation.
  • Discussion of patented strategies for targeting cell cycle regulators.

Conclusions:

  • Molecular targets involved in cell cycle inhibition represent promising therapeutic agents.
  • Targeting cell cycle dysregulation offers a viable strategy for cancer treatment.
  • Further research and clinical evaluation are warranted for these potential cancer therapies.

Related Concept Videos

Negative Regulator Molecules01:23

Negative Regulator Molecules

Positive regulators allow a cell to advance through cell cycle checkpoints. Negative regulators have an equally important role as they terminate a cell’s progression through the cell cycle—or pause it—until the cell meets specific criteria.
Positive Regulator Molecules02:39

Positive Regulator Molecules

Mitotic cell division results in daughter cells that exactly resemble the parent cell. However, errors in the DNA replication or distribution of genetic material may lead to genetic mutations that may be passed down to every new cell formed from the resulting abnormal cell. Propagation of such mutant cells is restricted through checkpoint mechanisms present at different stages of the cell cycle. These checkpoints involve regulator molecules that either promote or demote cell cycle events.
Positive Regulator Molecules01:45

Positive Regulator Molecules

To consistently produce healthy cells, the cell cycle—the process that generates daughter cells—must be precisely regulated.
Molecular Factors Affecting Cell Division01:27

Molecular Factors Affecting Cell Division

Several external and internal factors influence the initiation and inhibition of cell division. For instance, the death of nearby cells or the release of human growth hormone (hGH) promotes cell division. In contrast, lack of hGH or crowding of cells can inhibit cell division.
Several proteins function as internal regulators to ensure each cell cycle stage is completed faithfully before proceeding to the next. Regulator molecules may act directly or influence the activity or production of other...
Inhibition of Cdk Activity02:34

Inhibition of Cdk Activity

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...
Inhibition of CDK Activity02:34

Inhibition of CDK Activity

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...