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Related Concept Videos

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...
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...
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.
The Cell Cycle Control System01:28

The Cell Cycle Control System

The cell cycle regulation directs how a cell proceeds from one phase to the next and begins mitosis. The cell cycle control system includes intracellular regulatory molecules and external triggers. They provide "stop" or "advance" signals and operate at specific cell cycle stages termed checkpoints to ensure that a particular process is completed before the cell advances to the next phase.
Cyclins and cyclin-dependent kinases (Cdks) are the primary cell cycle regulators and function at the cell...

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Related Experiment Video

Updated: May 26, 2026

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols
12:02

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Published on: June 6, 2017

Modulation of cell cycle regulators by HDACs.

Elphine Telles1, Edward Seto

  • 1Department of Molecular Oncology, H Lee Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA.

Frontiers in Bioscience (Scholar Edition)
|December 29, 2011
PubMed
Summary

Histone deacetylases (HDACs) regulate cell cycle proteins. Overexpression of these enzymes in cancer disrupts cell cycle control, leading to uncontrolled proliferation.

Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cancer Biology

Background:

  • Histone deacetylases (HDACs) are enzymes that remove acetyl groups from proteins.
  • HDACs play critical roles in regulating gene expression and protein function.
  • Dysregulation of HDACs is implicated in various diseases, including cancer.

Purpose of the Study:

  • To review the role of HDACs in cell cycle control.
  • To explore how HDACs deacetylate histones and non-histone proteins.
  • To understand the link between HDACs, cell cycle deregulation, and cancer.

Main Methods:

  • Literature review of studies on HDACs and cell cycle.
  • Analysis of the deacetylation activity of HDACs on key cell cycle proteins.
  • Examination of HDAC overexpression in cancer and its consequences.

More Related Videos

Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation
11:06

Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation

Published on: September 20, 2017

Simultaneous Measurement of HDAC1 and HDAC6 Activity in HeLa Cells Using UHPLC-MS
09:20

Simultaneous Measurement of HDAC1 and HDAC6 Activity in HeLa Cells Using UHPLC-MS

Published on: August 10, 2017

Related Experiment Videos

Last Updated: May 26, 2026

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols
12:02

Studying Cell Cycle-regulated Gene Expression by Two Complementary Cell Synchronization Protocols

Published on: June 6, 2017

Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation
11:06

Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation

Published on: September 20, 2017

Simultaneous Measurement of HDAC1 and HDAC6 Activity in HeLa Cells Using UHPLC-MS
09:20

Simultaneous Measurement of HDAC1 and HDAC6 Activity in HeLa Cells Using UHPLC-MS

Published on: August 10, 2017

Main Results:

  • HDACs control the function of essential cell cycle proteins through deacetylation.
  • Overexpression of HDACs is a common feature in multiple cancers.
  • HDAC-mediated deacetylation contributes to cell cycle deregulation and uncontrolled cell proliferation.

Conclusions:

  • HDACs are critical regulators of the cell cycle.
  • Targeting HDACs may offer therapeutic strategies for cancer treatment.
  • Further research into HDAC function is crucial for understanding cancer development.