Related Experiment Video
Updated: Jun 8, 2026
07:08
Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency
Published on: February 2, 2024
p53 connects tumorigenesis and reprogramming to pluripotency.
Natalia Tapia1, Hans R Schöler
1Department of Cell and Developmental Biology, Max Planck Institute for Molecular Biomedicine, Münster 48149, Germany.
The Journal of Experimental Medicine
|September 30, 2010
Summary
The tumor suppressor gene p53 normally prevents tumors. Its absence or mutation aids nuclear reprogramming, suggesting p53 influences de-differentiation and links pluripotency to tumor formation.
Area of Science:
- Molecular Biology
- Cancer Research
- Cell Biology
Background:
- The tumor suppressor gene p53 plays a critical role in preventing cancer initiation.
- p53 induces cell cycle arrest, senescence, DNA repair, and apoptosis to maintain genomic stability.
- Recent studies indicate that p53 status influences nuclear reprogramming.
Purpose of the Study:
- To investigate the role of p53 in the de-differentiation process.
- To explore the similarities between induced pluripotency and tumor formation.
- To understand how p53 absence or mutation impacts cellular reprogramming.
Main Methods:
- Literature review of studies on p53 function and nuclear reprogramming.
- Comparative analysis of molecular pathways involved in pluripotency induction and tumorigenesis.
- Analysis of experimental data linking p53 status to de-differentiation.
Main Results:
- Absence or mutation of p53 facilitates nuclear reprogramming.
- p53 influences the de-differentiation process.
- Similarities exist between the induction of pluripotency and tumor formation pathways.
Conclusions:
- p53's role extends beyond tumor suppression to influencing cellular de-differentiation.
- Understanding p53's impact on reprogramming could offer new insights into cancer development.
- The findings highlight a potential link between pluripotency mechanisms and oncogenesis.
Related Concept Videos
02:23Abnormal Proliferation
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the daughter...
01:29Somatic to iPS Cell Reprogramming
Reprogramming alters the gene expression in somatic cells, transforming them into induced pluripotent stem (iPS) cells over several generations. Scientists can reprogram cells by introducing genes for four transcription factors—Oct4, Sox2, Klf4, and c-Myc (OSKM) by viral or non-viral methods. These factors are also known as Yamanaka factors after Shinya Yamanaka, who first generated iPS cells using mouse skin cells. Yamanaka was awarded the Nobel Prize in Physiology or Medicine in 2012 for this...
01:24Methods of Nuclear Reprogramming
Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for injury repair.
01:06Induced Pluripotent Stem Cells
Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic cells are...
Somatic cells are...
01:13Induced Pluripotent Stem Cells
Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...
01:13Induced Pluripotent Stem Cells
Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...