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A transgenic mouse model for human neurofibromatosis.
Science (New York, N.Y.)
|September 11, 1987
Summary
Human T-lymphotropic virus type 1 (HTLV-1) tat gene induces tumors resembling human neurofibromatosis in mice. Further research is needed to link HTLV-1 infection to human neural and soft tissue tumors.
Area of Science:
- Virology
- Oncology
- Neuroscience
Background:
- Human T-lymphotropic virus type 1 (HTLV-1) is linked to neurological disorders like tropical spastic paraparesis and potentially multiple sclerosis.
- The HTLV-1 tat gene, when expressed under its own long terminal repeat, can induce tumors in animal models.
Purpose of the Study:
- To investigate the potential of the HTLV-1 tat gene to induce tumors resembling human neurofibromatosis in transgenic mice.
- To explore the link between HTLV-1 infection and human neural and soft tissue tumors.
Main Methods:
- Generation of transgenic mice expressing the HTLV-1 tat gene.
- Characterization of tumor morphology and biology in affected mice.
- In vitro propagation and in vivo transplantation of tumor cells.
Main Results:
- Transgenic mice developed tumors resembling human neurofibromatosis, originating from peripheral nerve sheaths.
- Tumors exhibited a high spontaneous incidence and were passed through three generations.
- Cultured tumor cells continued to express tat protein and efficiently induced tumors when transplanted.
Conclusions:
- The HTLV-1 tat gene can induce tumors with characteristics similar to human neurofibromatosis in mice.
- Establishing a link between HTLV-1 infection and human neurofibromatosis and other nonlymphoid tumors requires further investigation of patient data.