Related Experiment Video
Updated: Jan 21, 2026
12:03
Myocardial Infarction and Functional Outcome Assessment in Pigs
Published on: April 25, 2014
28.6K
Hallmarks of ribosomopathies
Kim R Kampen1, Sergey O Sulima1, Stijn Vereecke1
1Department of Oncology, KU Leuven, LKI - Leuven Cancer Institute, 3000 Leuven, Belgium.
Nucleic Acids Research
|July 28, 2019
Summary
Ribosomopathies, linked to ribosome defects, paradoxically shift from low cell growth to high cancer risk. This review explores how these ribosome issues promote cancer through altered protein synthesis and cellular functions.
Area of Science:
- Molecular Biology
- Genetics
- Oncology
Background:
- Ribosomopathies arise from defects in ribosome components or assembly.
- Congenital ribosomopathies show a transition from hypo-proliferation to increased cancer risk.
- Somatic mutations in ribosomal proteins and rDNA changes define somatic ribosomopathies in tumors.
Purpose of the Study:
- To review the impact of ribosomal defects on cellular function.
- To elucidate the mechanisms by which ribosome defects promote oncogenesis.
- To integrate findings into a model explaining the hypo- to hyper-proliferation transition.
Main Methods:
- Literature review of ribosomopathies and cancer.
- Analysis of molecular mechanisms linking ribosome defects to cancer.
- Integration of findings into a conceptual model.
Main Results:
- Ribosomal defects contribute to oncogenesis through novel mechanisms.
- 'Onco-ribosomes' translate oncoproteins, dysregulate extra-ribosomal functions, and rewire metabolism.
- Oxidative stress and DNA damage are consequences of ribosomal defects, promoting cancer.
Conclusions:
- Ribosomal defects have multifaceted roles in cancer development.
- Understanding these mechanisms is crucial for explaining ribosomopathy-associated cancer risk.
- A proposed model integrates cellular changes in ribosomopathies leading to cancer.
