Comparative transcriptomic analysis of intestinal Tuft cells reveals species selectivity of DCLK1 expression

DCLK1 expression is species-selective in intestinal tuft cells, making mouse Dclk1-based identification less reliable for human intestinal studies.

• Why it matters: Tuft cells are rare in intestinal epithelium, and accurate markers are needed to study their roles in colorectal cancer and inflammatory bowel disease.
• What they did: The report uses comparative transcriptomic analysis to evaluate which cell type markers identify intestinal tuft cells across mouse and human contexts, focusing on Dclk1/DCLK1.
• The result: The findings clarify appropriate human intestinal tuft cell markers and indicate that DCLK1 expression differs from the mouse Dclk1 pattern, guiding marker selection for future studies.

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