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Related Concept Videos

Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Cancers Originate from Somatic Mutations in a Single Cell02:21

Cancers Originate from Somatic Mutations in a Single Cell

Cancer arises from mutations in the critical genes that allow healthy cells to escape cell cycle regulation and acquire the ability to proliferate indefinitely. Though originating from a single mutation event in one of the originator cells, cancer progresses when the mutant cell lines continue to gain more and more mutations, and finally, become malignant. For example, chronic myelogenous leukemia (CML) develops initially as a non-lethal increase in white blood cells, which progressively...
Exon Recombination02:32

Exon Recombination

The evolution of new genes is critical for speciation. Exon recombination, also known as exon shuffling or domain shuffling, is an important means of new gene formation. It is observed across vertebrates, invertebrates, and in some plants such as potatoes and sunflowers. During exon recombination, exons from the same or different genes recombine and produce new exon-intron combinations, which might evolve into new genes. 
Exon shuffling follows “splice frame rules.” Each exon has three reading...
Adaptive Mechanisms in Cancer Cells02:53

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Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
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Induced Pluripotent Stem Cells01:06

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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).
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Updated: May 23, 2026

Cell-cell Fusion of Genome Edited Cell Lines for Perturbation of Cellular Structure and Function
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Published on: December 7, 2019

Genomic Reshuffling After Cell Fusion: Catalyst for Cancer Evolution and Progression.

Julian Weiler1, Thomas Dittmar2

  • 1Immunology and Tumour Biology, Center for Biomedical Education and Research (ZBAF), Witten/Herdecke University, Witten, Germany. Julian.Weiler@uni-wh.de.

Advances in Experimental Medicine and Biology
|May 21, 2026
PubMed
Summary

Aberrant cell fusion drives cancer evolution by promoting genomic instability and heterogeneity. This accelerates tumor development, increasing resistance to therapies and immune evasion.

Keywords:
Aberrant cell fusionCancer evolutionChromosomal instabilityGenetic/epigenetic instabilityGenomic heterogeneity

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Area of Science:

  • Cell Biology
  • Cancer Research
  • Genetics

Background:

  • Cell-cell fusion is crucial for development, forming multinucleated cells or merging genomes.
  • Non-physiological fusion can lead to genomic instability and cancer development.

Purpose of the Study:

  • To elucidate how unscheduled cell fusion accelerates cancer evolution.
  • To explore the link between cell fusion, genomic instability, and cancer traits.

Main Methods:

  • Review of fundamental cell fusion processes.
  • Analysis of genomic and epigenetic consequences of aberrant cell fusion.
  • Examination of cancer evolution dynamics driven by fusion-induced heterogeneity.

Main Results:

  • Aberrant cell fusion leads to whole-genome doubling and centrosome amplification.
  • Fusion-induced genomic instability potentiates cancer development and evolution.
  • Increased intratumoural heterogeneity enhances therapy resistance, stemness, and immune evasion.

Conclusions:

  • Unscheduled cell fusion is a significant driver of rapid cancer evolution.
  • Fusion-induced genetic and epigenetic alterations create a pro-tumorigenic landscape.
  • Targeting cell fusion mechanisms may offer novel therapeutic strategies.