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CH223191
Aryl hydrocarbon receptor (AHR) antagonist
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CH223191 is a potent and specific antagonist of the aryl hydrocarbon receptor (AhR) that blocks activation by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; IC₅₀ = 0.03 µM; Kim et al.). It prevents the induction of cytochrome P450 1A1 by TCDD in HepG2 cells and in livers of mice (Kim et al.).
MAINTENANCE AND SELF-RENEWAL
- Induces expansion of human CD34+ hematopoietic stem and progenitor cells in culture (Boitano et al.).