Related Experiment Video
Updated: Feb 14, 2026

06:02
Live Imaging to Study Microtubule Dynamic Instability in Taxane-resistant Breast Cancers
Published on: February 20, 2017
8.0K
PRC1: Linking Cytokinesis, Chromosomal Instability, and Cancer Evolution
Jing Li1, Marlene Dallmayer1, Thomas Kirchner2
1Max-Eder Research Group for Pediatric Sarcoma Biology, Institute of Pathology, Faculty of Medicine, LMU Munich, Munich, Germany.
Trends in Cancer
|February 8, 2018
Summary
Protein regulator of cytokinesis 1 (PRC1) is crucial for cell division. Its dysregulation drives cancer evolution and poor outcomes, suggesting PRC1 as a therapeutic target for cancer treatment.
Area of Science:
- Cell Biology
- Cancer Biology
- Genetics
Background:
- Cytokinesis is the final stage of cell division, ensuring accurate chromosome segregation.
- Protein regulator of cytokinesis 1 (PRC1) plays a vital role in cell cleavage.
- PRC1 deregulation is linked to chromosomal instability (CIN), tumor heterogeneity, and cancer progression.
Purpose of the Study:
- To review the physiological roles of PRC1 in cell cycle regulation.
- To elucidate PRC1's contribution to tumorigenesis and intratumoral heterogeneity.
- To explore therapeutic strategies targeting PRC1 in cancer.
Main Methods:
- Literature review of PRC1 functions in cell cycle and cancer.
- Analysis of PRC1 expression correlation with patient outcomes.
- Discussion of potential therapeutic approaches targeting PRC1.
Main Results:
- PRC1 is essential for cytokinesis; its deregulation promotes CIN and aneuploidy.
- Abnormal PRC1 expression correlates with poor prognosis in various cancers.
- PRC1-mediated CIN contributes to tumor heterogeneity and cancer evolution.
Conclusions:
- PRC1 is a key regulator of cell division with significant implications in cancer.
- Targeting PRC1 offers potential therapeutic strategies for cancer by modulating CIN.
- PRC1-targeted therapies could normalize CIN in aneuploid cancers or induce apoptosis in genomically stable cancers.
Related Concept Videos
Mitosis and Cytokinesis
281.7K
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation.
The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
281.7K
Mitosis and Cytokinesis
11.1K
In eukaryotes, the cell division cycle is divided into distinct, coordinated cellular processes that include cell growth, DNA replication/chromosome duplication, chromosome distribution to daughter cells, and finally, cell division. The cell cycle is tightly regulated by its regulatory systems as well as extracellular signals that affect cell proliferation.
The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
The processes of the cell cycle occur over approximately 24 hours (in typical human cells) and in two major distinguishable stages. The...
11.1K
Chromosome Structure
26.7K
A functional eukaryotic chromosome must contain three elements: a centromere, telomeres, and numerous origins of replication.
The centromere is a DNA sequence that links sister chromatids. This is also where kinetochores, protein complexes to which spindle microtubules attach, are constructed after the chromosome is replicated. The kinetochores allow the spindle microtubules to move the chromosomes within the cell during cell division.
Telomeres consist of non-coding repetitive nucleotide...
The centromere is a DNA sequence that links sister chromatids. This is also where kinetochores, protein complexes to which spindle microtubules attach, are constructed after the chromosome is replicated. The kinetochores allow the spindle microtubules to move the chromosomes within the cell during cell division.
Telomeres consist of non-coding repetitive nucleotide...
26.7K
The Evidence for Evolution
48.4K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
48.4K
Chromosomal Theory of Inheritance
60.5K
In 1866, Gregor Mendel published the results of his pea plant breeding experiments, providing evidence for predictable patterns in the inheritance of physical characteristics. The significance of his findings was not immediately recognized. In fact, the existence of genes was unknown at the time. Mendel referred to hereditary units as “factors.”
60.5K
Convergent Evolution
33.1K
Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.
33.1K

