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Mace’s Claim Federal Funds Transgender Mouse Research Debunked

6/21/2026

Summary

Story summary

Rep. Nancy Mace (R-SC) posted on X that federal money funds transgender-related animal experiments, prompting a community note that the cited “transgenic mice” are unrelated models.
Journalist Molly Jong-Fast and scientists said the mice are engineered with foreign DNA for disease research such as cancer, not gender-affirming studies, mocking Mace’s terminology.
Fact-checks of President Donald Trump’s earlier remarks confirmed the studies examined asthma and cancer, not gender-affirming care.

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Story summary

Rep. Nancy Mace (R-SC) posted on X that federal money funds transgender-related animal experiments, prompting a community note that the cited “transgenic mice” are unrelated models.
Journalist Molly Jong-Fast and scientists said the mice are engineered with foreign DNA for disease research such as cancer, not gender-affirming studies, mocking Mace’s terminology.
Fact-checks of President Donald Trump’s earlier remarks confirmed the studies examined asthma and cancer, not gender-affirming care.