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Updated: Mar 28, 2026
A Mouse Model of Incompletely Resected Soft Tissue Sarcoma for Testing Neoadjuvant Therapies
Published on: July 28, 2020
Development of Soft Tissue Sarcomas in Ribosomal Proteins L5 and S24 Heterozygous Mice
Shideh Kazerounian1, Pedro D S C Ciarlini2, Daniel Yuan3
11. Boston Children's Hospital, Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston, MA, USA ; 2. Harvard Medical School, Boston, MA, USA.
Abstract:
Diamond-Blackfan anemia (DBA) is an inherited bone marrow failure syndrome associated with ribosomal protein (RP) gene mutations. Recent studies have also demonstrated an increased risk of cancer predisposition among DBA patients. In this study, we report the formation of soft tissue sarcoma in the Rpl5 and Rps24 heterozygous mice. Our observation suggests that even though one wild-type allele of the Rpl5 or Rps24 gene prevents anemia in these mice, it still predisposes them to cancer development.
Insights
Diamond-Blackfan anemia (DBA) is linked to ribosomal protein gene mutations. This study shows heterozygous Rpl5 or Rps24 mice develop soft tissue sarcoma, indicating cancer predisposition despite normal red blood cell production.
Area of Science:
- Genetics
- Hematology
- Oncology
Background:
- Diamond-Blackfan anemia (DBA) is an inherited bone marrow failure syndrome.
- DBA is associated with mutations in ribosomal protein (RP) genes.
- DBA patients exhibit an increased risk of cancer predisposition.
Purpose of the Study:
- To investigate the link between specific RP gene mutations and cancer development.
- To examine the predisposition to soft tissue sarcoma in heterozygous Rpl5 and Rps24 mice.
Main Methods:
- Generation of Rpl5 and Rps24 heterozygous mice.
- Observation and analysis of tumor formation in these mouse models.
Main Results:
- Rpl5 and Rps24 heterozygous mice developed soft tissue sarcoma.
- A single wild-type allele of Rpl5 or Rps24 prevented anemia.
- This single wild-type allele did not prevent cancer development.
Conclusions:
- Heterozygous mutations in Rpl5 or Rps24 predispose to soft tissue sarcoma.
- Cancer predisposition in DBA may occur independently of anemia.
- These findings highlight a dual role for RP genes in bone marrow failure and cancer.
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