In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

[Q]: Plasma prolactin concentrations during incubation , 25 . 8 + / - 2 . 3 ng / ml , decreased to baseline levels , 10 . 8 + / - 1 . 9 ng / ml , within 24 hr after nestbox removal .
[A]: Plasma prolactin

[Q]: The pattern of net RNA expression in adult mouse tissues is different .
[A]: net RNA

[Q]: In rats exposed to Cd for 30 d , the levels of urinary excretion of cAMP after treatment with parathyroid hormone ( PTH ) , parathyroidectomy ( PTX ) , or 1 alpha - hydroxycholecalciferol ( 1 alpha - OH - D3 ) showed almost the same patterns as those of control rats : the response of urinary cAMP to treatment with PTH was not influenced by continuous oral administration of Cd .
[A]:
parathyroid hormone