: any of several proteins that are produced by some tumorigenic DNA viruses (as simian virus 40) when they infect cells and that function in the transformation of normal cells into tumor cells or into tumor-forming cells and in the unwinding and replication of the DNA of the virus
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“T antigen.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/T%20antigen. Accessed 24 Nov. 2024.
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