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.

[EX Q]:  Northern blot analysis confirmed that ADAMTS - 1 was up - regulated in both metaphyseal ( 14 - to 35 - fold ) and diaphyseal ( 4 . 2 - fold ) bone 1 h after PTH - ( 1 - 38 ) injection and returned to control levels by 24 h .
[EX A]: ADAMTS - 1

[EX Q]:  A p53 cDNA deletion mutant ( delta pro AE ) , which lacks this entire proline - rich domain ( deleted for amino acids 62 - 91 ) , was created and characterized for a variety of p53 functions .
[EX A]: p53 cDNA

[EX Q]:  A GT - rich sequence binding the transcription factor Sp1 is crucial for high expression of the human type VII collagen gene ( COL7A1 ) in fibroblasts and keratinocytes .
[EX A]:
transcription factor Sp1