Task: Named Entity Recognition
Input (English):  These results suggest that TCF - 1 does not target human killer immunoglobulin receptor genes , TCF - 1 is uniquely expressed in circulating CD56 ( + bright ) NK cells , and specific TCF - 1 isoforms may play an important role in regulating NK differentiation from a common NK / T - cell progenitor .
Output (English): TCF - 1