Related Experiment Video

Updated: Feb 16, 2026

Preparation of Primary Acute Lymphoblastic Leukemia Cells in Different Cell Cycle Phases by Centrifugal Elutriation
09:09

Preparation of Primary Acute Lymphoblastic Leukemia Cells in Different Cell Cycle Phases by Centrifugal Elutriation

Published on: November 10, 2017

8.8K

[Effects of Cyclin A1 on the Proliferation of SKM-1 Cells and Its Potential Role in Myelodysplastic Syndrome]

Xue Ding1, Ya-Lin Cheng1, Hai-Cheng Gao1

  • 1Peking University People's Hospital, Peking University Institute of Hematology,Beijing 100044, China.

Zhongguo Shi Yan Xue Ye Xue Za Zhi
|December 22, 2017
PubMed
Abstract

Insights

Cyclin A1 knockdown inhibits SKM-1 cell proliferation and down-regulates CDK2, RUNX1, and SRSF2. This suggests Cyclin A1 is crucial in myelodysplastic syndrome (MDS) pathogenesis and a potential therapeutic target.

Area of Science:

  • Molecular Biology
  • Cancer Research
  • Hematology

Background:

  • Myelodysplastic syndromes (MDS) are a group of clonal hematopoietic stem cell disorders.
  • The molecular mechanisms underlying MDS pathogenesis are not fully understood.
  • Cyclin A1 has been implicated in cell cycle regulation and cancer development.

Purpose of the Study:

  • To investigate the role of Cyclin A1 in SKM-1 cell proliferation.
  • To explore the potential involvement of Cyclin A1 in the pathogenesis of myelodysplastic syndrome (MDS).

Main Methods:

  • Cyclin A1 was silenced using small interfering RNA (siRNA) in SKM-1 cells.
  • siRNA transfection efficiency was confirmed by Western blot and RT-PCR.
  • Cell proliferation and the expression of CDK2, RUNX1, and SRSF2 were analyzed post-knockdown.

Main Results:

  • Cyclin A1 knockdown significantly inhibited SKM-1 cell proliferation.
  • The expression of CDK2, RUNX1, and SRSF2 was downregulated following Cyclin A1 silencing.
  • These inhibitory effects were partially mediated through the RUNX1 and SRSF2 signaling pathways.

Conclusions:

  • Cyclin A1 plays a critical role in regulating SKM-1 cell proliferation.
  • These findings offer novel insights into MDS pathogenesis.
  • Cyclin A1 emerges as a potential therapeutic target for MDS treatment.

More Related Videos

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells10:21

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells

Published on: February 21, 2018

10.5K
Author Spotlight: Analyzing Bone Marrow Microenvironment in Murine Hematological Malignancies06:33

Author Spotlight: Analyzing Bone Marrow Microenvironment in Murine Hematological Malignancies

Published on: November 10, 2023

1.9K

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...
6.0K
M-Cdk Drives Transition Into Mitosis02:15

M-Cdk Drives Transition Into Mitosis

Checkpoints throughout the cell cycle serve as safeguards and gatekeepers, allowing the cell cycle to progress in favorable conditions and slow or halt it in problematic ones. This regulation is known as the cell cycle control system.
Cyclin-dependent kinases, or Cdks, work in concert with cyclins to control cell cycle transitions. M-Cdk, a complex of Cdk1 bound to M cyclin, is a well-known example of this coordinated control that drives the transition from the G2 to the M phase.
M cyclin...
6.6K
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.
6.9K
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.
136.6K
Mitogens and the Cell Cycle02:38

Mitogens and the Cell Cycle

Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
8.2K
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...
4.0K