Syngeneic Transplants with Modified Chimeric Hematopoietic Tumors
1Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
Cold Spring Harbor Protocols
|August 5, 2015
Summary
This study presents a method for modifying tumor cells ex vivo and transplanting them into mice to model human cancers. This approach allows researchers to study gene function in tumor growth and therapeutic responses.
Area of Science:
- Oncology
- Hematology
- Molecular Biology
Background:
- Hematopoietic malignancies are defined by their ability to form tumors upon transplantation.
- This characteristic makes them valuable models for studying tumor biology.
- Existing models allow for the investigation of gene function in tumor growth, dissemination, and treatment response.
Purpose of the Study:
- To describe a protocol for ex vivo genetic modification and transplantation of tumor cells.
- To establish a tractable model for studying hematopoietic malignancies in immunocompetent mice.
- To enable the investigation of specific genetic alterations on tumor behavior and therapeutic outcomes.
Main Methods:
- Rapidly transducing tumor cells ex vivo with genetic modifications.
- Transplanting modified cells into immunocompetent recipient mice.
- Utilizing fluorescent markers to track modified cells and assess tumor evolution.
Main Results:
- Transplanted tumors recapitulate the characteristics of the original malignancy.
- Ex vivo manipulation allows for the creation of chimeric tumors resembling human cancers.
- Fluorescent markers enable quantitative assessment of genetic alteration impact on tumor dynamics.
Conclusions:
- This protocol provides a robust model for studying hematopoietic malignancies.
- The model facilitates the analysis of gene function in tumor progression and treatment.
- It offers a platform for generating genetically heterogeneous tumors for research.


