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Examines the hormonal regulation of expression of ileal bile acid binding protein in suckling rats. Normal ontogeny of rat ileal bile acid binding protein; Time course of dexamethasone response; Normal and dexamethasone-induced ileal distribution.

Describes the use of 5-bromo-2'-deoxyuridine (BrdU) to dissect the underlying mechanisms of both glucocorticoid-induced precocious maturation and normal ontogeny of the intestinal epithelium. Effect of BrdU on cellular differentiation in suckling or mature intestine; Effect of BrdU on glucocorticoid-induced maturation of suckling animals.

Presents information on a study which examined trehalase mRNA expression by way of a partial rat trehalase cDNA which was cloned. Characteristics of the trehalase protein; Reaction of trehalase in the intestine of rabbits and rats during postnatal development; Examination of the tissue distribution of trehalase mRNA in adult rats.