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Related Concept Videos

Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Abnormal Proliferation02:23

Abnormal 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...
DNA Damage Can Stall the Cell Cycle02:36

DNA Damage Can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
DNA Damage can Stall the Cell Cycle02:36

DNA Damage can Stall the Cell Cycle

In response to DNA damage, cells can pause the cell cycle to assess and repair the breaks. However, the cell must check the DNA at certain critical stages during the cell cycle. If the cell cycle pauses before DNA replication, the cells will contain twice the amount of DNA. On the other hand, if cells arrest after DNA replication but before mitosis, they will contain four times the normal amount of DNA. With a host of specialized proteins at their disposal,cells must use the right protein at...
Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
Cancer-Critical Genes II: Tumor Suppressor Genes01:05

Cancer-Critical Genes II: Tumor Suppressor Genes

Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...

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Related Experiment Video

Updated: Jun 13, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53
14:57

Yeast As a Chassis for Developing Functional Assays to Study Human P53

Published on: August 4, 2019

Single-nucleotide polymorphisms in the p53 signaling pathway.

Lukasz F Grochola1, Jorge Zeron-Medina, Sophie Mériaux

  • 1Ludwig Institute for Cancer Research, University of Oxford, Oxford, OX3 7DQ, United Kingdom.

Cold Spring Harbor Perspectives in Biology
|May 11, 2010
PubMed
Summary

Inherited genetic variations called single-nucleotide polymorphisms (SNPs) in the p53 tumor suppressor pathway influence cancer risk and treatment outcomes. Further research is needed to fully understand these functional SNPs for personalized cancer therapy.

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Last Updated: Jun 13, 2026

Yeast As a Chassis for Developing Functional Assays to Study Human P53
14:57

Yeast As a Chassis for Developing Functional Assays to Study Human P53

Published on: August 4, 2019

Detection of Aggregation-Prone Behavior in Mutant P53 V157F Breast Cancer Cells Using Multipoint Thioflavin T Fluorescence
04:56

Detection of Aggregation-Prone Behavior in Mutant P53 V157F Breast Cancer Cells Using Multipoint Thioflavin T Fluorescence

Published on: December 30, 2025

Area of Science:

  • Genetics
  • Oncology
  • Molecular Biology

Background:

  • The p53 tumor suppressor pathway plays a critical role in preventing cancer and responding to cancer treatments.
  • Functional inherited single-nucleotide polymorphisms (SNPs) within the p53 pathway are increasingly recognized for their impact on human health.

Purpose of the Study:

  • To review evidence on functional p53 pathway SNPs and their effects on cancer risk and clinical outcomes.
  • To discuss the implications of these SNPs for personalized cancer therapy.
  • To highlight the need for further characterization of p53 pathway genetic variations.

Main Methods:

  • Literature review and synthesis of existing research on p53 pathway genetics.
  • Analysis of studies investigating the functional impact of SNPs on p53 signaling.
  • Discussion of clinical data correlating SNPs with cancer risk and treatment response.

Main Results:

  • Evidence suggests that inherited SNPs in the p53 pathway significantly alter p53 signaling in cells.
  • These functional SNPs are associated with variations in individual cancer risk.
  • The identified SNPs impact patient response to common cancer therapies, influencing clinical outcomes.

Conclusions:

  • Functional p53 pathway SNPs represent a crucial factor in cancer susceptibility and therapeutic response.
  • Understanding these genetic variations offers potential for tailoring cancer treatments to individual patients.
  • Comprehensive genetic analysis of the p53 pathway is essential for advancing personalized oncology.