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RT-PCR was undertaken on total RNA extracts from bone and scales of the rainbow trout, Oncorhynchus mykiss. The rainbow trout estrogen receptor (ER)-specific primers used amplified a single product of expected size from each tissue which, using Southern blotting, strongly hybridized with a 32P-labelled rtER probe under stringent conditions. These data provide the first in vivo evidence of ER mRNA in bone and scale tissues of rainbow trout and suggest that the effects of estrogen observed in this study (increased bone mineral and decreased scale mineral contents, respectively) may be mediated directly through ER.

Original publication




Journal article


Febs lett

Publication Date





145 - 148


Animals, Blotting, Northern, Bone and Bones, Calcium, Estradiol, Oncorhynchus mykiss, Phosphates, Polymerase Chain Reaction, RNA, Messenger, Receptors, Estrogen