Grand, R.J.

gata 4 fog 1 intestine expression knock-in bosse interaction repression mouse gata 4–fog interactions speci enterocyte allele protein model adult mouse crypt jejunum function wild-type fog 1 mrna villi het-control activation abundance factor adult cofactors speci fically gata 4flox allele 4–fog gata 4 function gata 4ki fog cofactors pattern tamoxifen tamoxifen treatment cell lineage markers wild-type gata 4 biology lineage ileum boston transcription fog 2 fically development enterocyte genes bind fog cofactors crispino study hospital boston fog 2 mrna antibody gata 4wt alleles knock-in mice gata 4 inactivation gata 4 alleles cell fate determination segment immunostaining 179–189 heart excision liver villincreert rt-pcr beuling differentiation physiol inactivation stomach process control signi ficantly promoter gata factors fi rst epithelium cofactor