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Induction of Invasive Transitional Cell Bladder Carcinoma in Immune Intact Human MUC1 Transgenic Mice: A Model for Immunotherapy Development
Published on: October 31, 2013
Spontaneous adenocarcinoma mouse models for immunotherapy
1Department of Biochemistry and Molecular Biology and Tumor Biology Program, Mayo Medical/Graduate School, Mayo Clinic Scottsdale, 13400 E. Shea Blvd, Scottsdale, AZ 85259, USA. gendler.sandra@mayo.edu
Abstract:
Recent discoveries regarding the identification of tumor-associated antigens and antigen presentation have made successful immunotherapy strategies possible with little, if any, toxicity. Here, we describe transgenic mammary, pancreas, prostate, stomach and lung adenocarcinoma animal models that can be used to study various immunotherapeutic strategies. The challenge in developing a tumor vaccine is effective antigen presentation that elicits anti-tumor immune responses without precipitating autoimmunity. Clinical trials must be preceded by appropriate animal studies to demonstrate that the concepts can be translated into efficacious therapy for cancer. Although many xenograph or transplantable tumor models have been used, the most effective studies are in spontaneous tumor models. These models are clinically relevant, as tumors arise in an appropriate tissue background and in a host conditioned by the physiological events of neoplastic progression and tumorigenesis and in the context of a viable immune system.
Insights
New transgenic animal models for adenocarcinoma enable the study of cancer immunotherapy. These spontaneous tumor models are crucial for developing effective tumor vaccines and advancing clinical trials.
Area of Science:
- Oncology
- Immunology
- Animal Models
Background:
- Advances in identifying tumor-associated antigens and antigen presentation have enabled successful immunotherapies with minimal toxicity.
- Developing effective tumor vaccines requires balancing anti-tumor immune responses with the prevention of autoimmunity.
Purpose of the Study:
- To describe novel transgenic animal models for studying various immunotherapeutic strategies against adenocarcinoma.
- To highlight the importance of spontaneous tumor models for preclinical cancer research.
Main Methods:
- Development of transgenic animal models for mammary, pancreas, prostate, stomach, and lung adenocarcinoma.
- Utilizing these spontaneous tumor models to investigate immunotherapeutic approaches.
Main Results:
- The described models allow for the study of tumor development in a relevant physiological and immunological context.
- Spontaneous tumor models are presented as superior to xenograft or transplantable models for clinical translation.
Conclusions:
- Transgenic spontaneous tumor models are essential for validating immunotherapy concepts before clinical trials.
- These models facilitate the development of efficacious cancer therapies by mimicking natural tumorigenesis and immune system interactions.
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