passages.id: split_6_test_1075_passage
passages.type: progene_text
passages.text: We have investigated the effects of fetal growth restriction , induced by restriction of placental growth and function ( PR ) , on 11beta-hydroxysteroid dehydrogenase type 1 ( 11betaHSD-1 ) and 11betaHSD-2 messenger RNA ( mRNA ) expression in fetal tissues in the sheep , using Northern blot analysis .