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.

Example Input:  In T cells these two signal pathways are critical for interleukin - 2 production .
Example Output: interleukin - 2

Example Input:  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 .
Example Output: ADAMTS - 1

Example Input:  These results demonstrate that the entire E3L gene is required for pathogenesis in the mouse model .
Example Output:
E3L gene