Task: Named Entity Recognition
Input (English):  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 .
Output (English): ADAMTS - 1